From 4828e0d6e1f0ba5d60c523118354b4782a561103 Mon Sep 17 00:00:00 2001
From: github-actions
 <site-update+github-actions[bot]@users.noreply.github.com>
Date: Sun, 10 Nov 2024 21:36:50 +0000
Subject: [PATCH] [automated site update]

---
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 .../dir_68267d1309a1af8e8297ef4c3efbcdba.js   |   1 +
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 apidoc/html/globals_n.html                    |  11 +-
 apidoc/html/globals_p.html                    |   2 +-
 apidoc/html/index.html                        |  66 ++-
 apidoc/html/md_CHANGELOG.html                 |   1 +
 apidoc/html/navtreedata.js                    |  23 +-
 apidoc/html/navtreeindex0.js                  |  18 +-
 apidoc/html/navtreeindex1.js                  |   4 +-
 apidoc/html/navtreeindex2.js                  |  60 +--
 apidoc/html/navtreeindex3.js                  | 101 ++---
 apidoc/html/search/all_10.js                  |   2 +-
 apidoc/html/search/all_11.js                  |   2 +-
 apidoc/html/search/all_12.js                  | 390 +++++++++---------
 apidoc/html/search/all_13.js                  |  14 +-
 apidoc/html/search/all_14.js                  |  10 +-
 apidoc/html/search/all_15.js                  |   4 +-
 apidoc/html/search/all_16.js                  |  90 ++--
 apidoc/html/search/all_17.js                  |  33 +-
 apidoc/html/search/all_19.js                  |   4 +-
 apidoc/html/search/all_5.js                   |  49 +--
 apidoc/html/search/all_6.js                   |   4 +-
 apidoc/html/search/all_7.js                   |   5 +-
 apidoc/html/search/all_8.js                   |   4 +-
 apidoc/html/search/all_9.js                   |  11 +-
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 apidoc/html/search/all_d.js                   |  35 +-
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 apidoc/html/toc.xml                           |  22 +-
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 apidoc/supernovas.tag                         |  27 ++
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 doc/README.md                                 | 102 +++--
 40 files changed, 1052 insertions(+), 532 deletions(-)
 create mode 100644 apidoc/html/solsys-cspice_8c.html
 create mode 100644 apidoc/html/solsys-cspice_8c.js
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+    [ "solsys-cspice.c", "solsys-cspice_8c.html", "solsys-cspice_8c" ],
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diff --git a/apidoc/html/globals_func_n.html b/apidoc/html/globals_func_n.html
index ff7c0420..4be3d4e5 100644
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+<li>novas_use_cspice()&#160;:&#160;<a class="el" href="solsys-cspice_8c.html#a9b44218bca5fce1e9e5103494c15dde4">solsys-cspice.c</a></li>
+<li>novas_use_cspice_ephem()&#160;:&#160;<a class="el" href="solsys-cspice_8c.html#afb078e1df9b5b08999d24e68d7b4ecdc">solsys-cspice.c</a></li>
+<li>novas_use_cspice_planets()&#160;:&#160;<a class="el" href="solsys-cspice_8c.html#a943549e395b19f6a91064e3d6fa1c577">solsys-cspice.c</a></li>
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diff --git a/apidoc/html/globals_n.html b/apidoc/html/globals_n.html
index 649d7de8..d63129b6 100644
--- a/apidoc/html/globals_n.html
+++ b/apidoc/html/globals_n.html
@@ -138,7 +138,7 @@ <h3><a id="index_n" name="index_n"></a>- n -</h3><ul>
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-<li>novas_debug()&#160;:&#160;<a class="el" href="novas_8h.html#a5f35633b872751df4dacd2fb2cbe4ac3">novas.h</a>, <a class="el" href="novas_8c.html#a5f35633b872751df4dacd2fb2cbe4ac3">novas.c</a></li>
+<li>novas_debug()&#160;:&#160;<a class="el" href="novas_8c.html#a5f35633b872751df4dacd2fb2cbe4ac3">novas.c</a>, <a class="el" href="novas_8h.html#a5f35633b872751df4dacd2fb2cbe4ac3">novas.h</a></li>
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@@ -170,7 +170,7 @@ <h3><a id="index_n" name="index_n"></a>- n -</h3><ul>
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 <li>novas_geom_to_app()&#160;:&#160;<a class="el" href="frames_8c.html#ad412ac774327a4120237dc3b3110f9a0">frames.c</a>, <a class="el" href="novas_8h.html#ad412ac774327a4120237dc3b3110f9a0">novas.h</a></li>
 <li>novas_get_debug_mode()&#160;:&#160;<a class="el" href="novas_8c.html#a29cad12337acfce5f1e370320dcefb79">novas.c</a>, <a class="el" href="novas_8h.html#a29cad12337acfce5f1e370320dcefb79">novas.h</a></li>
-<li>novas_get_split_time()&#160;:&#160;<a class="el" href="timescale_8c.html#ab4ea1b646b23a76936b2a6459b1bac6d">timescale.c</a>, <a class="el" href="novas_8h.html#ab4ea1b646b23a76936b2a6459b1bac6d">novas.h</a></li>
+<li>novas_get_split_time()&#160;:&#160;<a class="el" href="novas_8h.html#ab4ea1b646b23a76936b2a6459b1bac6d">novas.h</a>, <a class="el" href="timescale_8c.html#ab4ea1b646b23a76936b2a6459b1bac6d">timescale.c</a></li>
 <li>novas_get_time()&#160;:&#160;<a class="el" href="timescale_8c.html#aa65f86f70b2ea6e77bf0799d6859ca05">timescale.c</a>, <a class="el" href="novas_8h.html#aa65f86f70b2ea6e77bf0799d6859ca05">novas.h</a></li>
 <li>novas_get_unix_time()&#160;:&#160;<a class="el" href="timescale_8c.html#aa29034a9e6579d5982083c5c6ea8d773">timescale.c</a>, <a class="el" href="novas_8h.html#aa29034a9e6579d5982083c5c6ea8d773">novas.h</a></li>
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@@ -226,7 +226,7 @@ <h3><a id="index_n" name="index_n"></a>- n -</h3><ul>
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 <li>novas_pole_offset_type&#160;:&#160;<a class="el" href="novas_8h.html#a70c3951615b1ecf42818c79893678543">novas.h</a></li>
-<li>novas_radio_refraction()&#160;:&#160;<a class="el" href="refract_8c.html#a6b49f92f8f818f2272613e3432185a39">refract.c</a>, <a class="el" href="novas_8h.html#a6b49f92f8f818f2272613e3432185a39">novas.h</a></li>
+<li>novas_radio_refraction()&#160;:&#160;<a class="el" href="novas_8h.html#a6b49f92f8f818f2272613e3432185a39">novas.h</a>, <a class="el" href="refract_8c.html#a6b49f92f8f818f2272613e3432185a39">refract.c</a></li>
 <li>NOVAS_REDUCED_ACCURACY&#160;:&#160;<a class="el" href="novas_8h.html#a3cba2735c32163fab062b1a904a83b56a2047c8bae25010adb60d895a83079846">novas.h</a></li>
 <li>NOVAS_REFERENCE_CLASS&#160;:&#160;<a class="el" href="novas_8h.html#a3789b2c39c26f01bb1bffe8ebc953467ab580d06bb093ef496695125e2bef1798">novas.h</a></li>
 <li>novas_reference_system&#160;:&#160;<a class="el" href="novas_8h.html#a7ba038ea34eb901ccfb8f785708c651e">novas.h</a></li>
@@ -257,7 +257,7 @@ <h3><a id="index_n" name="index_n"></a>- n -</h3><ul>
 <li>novas_to_dexxx_planet()&#160;:&#160;<a class="el" href="naif_8c.html#ac3eb54acf22dc155879163de89c6865e">naif.c</a>, <a class="el" href="solarsystem_8h.html#ac3eb54acf22dc155879163de89c6865e">solarsystem.h</a></li>
 <li>novas_to_naif_planet()&#160;:&#160;<a class="el" href="naif_8c.html#ab51ac9bdf7736e1c1582e0981046daf3">naif.c</a>, <a class="el" href="solarsystem_8h.html#ab51ac9bdf7736e1c1582e0981046daf3">solarsystem.h</a></li>
 <li>NOVAS_TOD&#160;:&#160;<a class="el" href="novas_8h.html#a7ba038ea34eb901ccfb8f785708c651eaa4bcd4fdb15ba77023241689a5608df3">novas.h</a></li>
-<li>novas_transform_sky_pos()&#160;:&#160;<a class="el" href="frames_8c.html#a88972e93665bb1903795bfff264c14f6">frames.c</a>, <a class="el" href="novas_8h.html#a88972e93665bb1903795bfff264c14f6">novas.h</a></li>
+<li>novas_transform_sky_pos()&#160;:&#160;<a class="el" href="novas_8h.html#a88972e93665bb1903795bfff264c14f6">novas.h</a>, <a class="el" href="frames_8c.html#a88972e93665bb1903795bfff264c14f6">frames.c</a></li>
 <li>novas_transform_type&#160;:&#160;<a class="el" href="novas_8h.html#ace5e59ce1564bf6c61946c290bb05367">novas.h</a></li>
 <li>NOVAS_TRANSFORM_TYPES&#160;:&#160;<a class="el" href="novas_8h.html#ab5988d52596448e8248d94a4f59d69a1">novas.h</a></li>
 <li>novas_transform_vector()&#160;:&#160;<a class="el" href="frames_8c.html#aadb7bc88119eed4ea54373a42e22a0d4">frames.c</a>, <a class="el" href="novas_8h.html#aadb7bc88119eed4ea54373a42e22a0d4">novas.h</a></li>
@@ -267,6 +267,9 @@ <h3><a id="index_n" name="index_n"></a>- n -</h3><ul>
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 <li>novas_use_calceph()&#160;:&#160;<a class="el" href="solsys-calceph_8c.html#a35fc86a939602ec910dbdfde180d7f31">solsys-calceph.c</a></li>
 <li>novas_use_calceph_planets()&#160;:&#160;<a class="el" href="solsys-calceph_8c.html#ab86ec03898e658c86c671a8b6399e331">solsys-calceph.c</a></li>
+<li>novas_use_cspice()&#160;:&#160;<a class="el" href="solsys-cspice_8c.html#a9b44218bca5fce1e9e5103494c15dde4">solsys-cspice.c</a></li>
+<li>novas_use_cspice_ephem()&#160;:&#160;<a class="el" href="solsys-cspice_8c.html#afb078e1df9b5b08999d24e68d7b4ecdc">solsys-cspice.c</a></li>
+<li>novas_use_cspice_planets()&#160;:&#160;<a class="el" href="solsys-cspice_8c.html#a943549e395b19f6a91064e3d6fa1c577">solsys-cspice.c</a></li>
 <li>NOVAS_UT1&#160;:&#160;<a class="el" href="novas_8h.html#aa642c4ccc7195dc62fd0dc56567ebd0baa6fc4520426c4c9cbe497ab87f2ad583">novas.h</a></li>
 <li>NOVAS_UTC&#160;:&#160;<a class="el" href="novas_8h.html#aa642c4ccc7195dc62fd0dc56567ebd0ba01787464888b92c37b8340174c03cc8d">novas.h</a></li>
 <li>novas_v2z()&#160;:&#160;<a class="el" href="super_8c.html#aa54cd00024b294d38fa29433c017c65f">super.c</a>, <a class="el" href="novas_8h.html#aa54cd00024b294d38fa29433c017c65f">novas.h</a></li>
diff --git a/apidoc/html/globals_p.html b/apidoc/html/globals_p.html
index 5d9f132f..1f74c0a1 100644
--- a/apidoc/html/globals_p.html
+++ b/apidoc/html/globals_p.html
@@ -135,8 +135,8 @@ <h3><a id="index_p" name="index_p"></a>- p -</h3><ul>
 <li>POLE_OFFSETS_X_Y&#160;:&#160;<a class="el" href="novas_8h.html#a70c3951615b1ecf42818c79893678543ad304f43b1bf8becb63fc4d972f8b1f77">novas.h</a></li>
 <li>PRECESSION&#160;:&#160;<a class="el" href="novas_8h.html#ace5e59ce1564bf6c61946c290bb05367a6833dbc8bfb3b8ba2cdd7a2da0b82353">novas.h</a></li>
 <li>precession()&#160;:&#160;<a class="el" href="novas_8c.html#a9178358732325399f3a5e3582080ced3">novas.c</a>, <a class="el" href="novas_8h.html#a9178358732325399f3a5e3582080ced3">novas.h</a></li>
-<li>PROPER_MOTION&#160;:&#160;<a class="el" href="novas_8h.html#ace5e59ce1564bf6c61946c290bb05367a197e40a273d8132592b60efe3f87a065">novas.h</a></li>
 <li>proper_motion()&#160;:&#160;<a class="el" href="novas_8c.html#ade8207981b6f840d1f0a79dd0c72beb2">novas.c</a>, <a class="el" href="novas_8h.html#ade8207981b6f840d1f0a79dd0c72beb2">novas.h</a></li>
+<li>PROPER_MOTION&#160;:&#160;<a class="el" href="novas_8h.html#ace5e59ce1564bf6c61946c290bb05367a197e40a273d8132592b60efe3f87a065">novas.h</a></li>
 <li>PSI_COR&#160;:&#160;<a class="el" href="novas_8c.html#a103c28cd84e81dde365238ee3599f5b0">novas.c</a></li>
 </ul>
 </div><!-- contents -->
diff --git a/apidoc/html/index.html b/apidoc/html/index.html
index e85e49fb..4b96b518 100644
--- a/apidoc/html/index.html
+++ b/apidoc/html/index.html
@@ -132,7 +132,7 @@ <h2><a class="anchor" id="autotoc_md30"></a>
 <li><a class="el" href="index.html#examples">Example usage</a></li>
 <li><a class="el" href="index.html#precision">Notes on precision</a></li>
 <li><a class="el" href="index.html#supernovas-features">SuperNOVAS specific features</a></li>
-<li><a class="el" href="index.html#solarsystem">External Solar-system ephemeris data or services</a></li>
+<li><a class="el" href="index.html#solarsystem">Incorporating Solar-system ephemeris data or services</a></li>
 <li><a class="el" href="index.html#debug-support">Runtime debug support</a></li>
 <li><a class="el" href="index.html#release-schedule">Release schedule</a></li>
 </ul>
@@ -161,6 +161,7 @@ <h3><a class="anchor" id="autotoc_md33"></a>
 <li><a href="https://aa.usno.navy.mil/software/novas_info">NOVAS</a> home page at the US Naval Observatory.</li>
 <li><a href="https://calceph.imcce.fr/docs/4.0.0/html/c/index.html">CALCEPH C library</a> for integrating Solar-system ephemeris from JPL and/or in INPOP 2.0/3.0 format.</li>
 <li><a href="https://naif.jpl.nasa.gov/naif/toolkit.html">NAIF SPICE toolkit</a> for integrating Solar-system ephemeris via from JPL.</li>
+<li><a href="https://github.com/Smithsonian/cspice-sharedlib">Smithsonian/cspice-sharedlib</a> for building CSPICE as a shared library for dynamic linking.</li>
 <li><a href="https://www.minorplanetcenter.net/iau/mpc.html">IAU Minor Planet Center</a> provides another source of ephemeris data.</li>
 </ul>
 <hr  />
@@ -201,7 +202,8 @@ <h2><a class="anchor" id="autotoc_md39"></a>
 <li>Choose which planet calculator function routines are built into the library (for example to provide <code><a class="el" href="solsys3_8c.html#ab5d74f84f8e75e90dfc30ebde562d076">earth_sun_calc()</a></code> set <code>BUILTIN_SOLSYS3 = 1</code> and/or for <code><a class="el" href="solsys-ephem_8c.html#a61c60adf57c00d797fac94bb5841c271">planet_ephem_provider()</a></code> set <code>BUILTIN_SOLSYS_EPHEM = 1</code>, and or for <code>planet_calceph()</code> / <code>novas_calceph()</code> set <code>BUILTIN_SOLSYS_CALCEPH = 1</code>. You can then specify these functions as the default planet calculator for <code><a class="el" href="novas_8c.html#a3221fff69d0ca52ae4694ec3ab0368ad">ephemeris()</a></code> in your application dynamically via <code><a class="el" href="novas_8c.html#a9904c454bc7148b42d0f927b82ea3973">set_planet_provider()</a></code>.</li>
 <li>Choose which stock planetary calculator module (if any) should provide a default <code><a class="el" href="solsys-ephem_8c.html#a5e2d599b1dc7a0e87bfd29dbd6413398">solarsystem()</a></code> implementation for <code><a class="el" href="novas_8c.html#a3221fff69d0ca52ae4694ec3ab0368ad">ephemeris()</a></code> calls by setting <code>DEFAULT_SOLSYS</code> to 1 &ndash; 3 for <code><a class="el" href="solsys1_8c.html">solsys1.c</a></code> trough <code><a class="el" href="solsys3_8c.html">solsys3.c</a></code>, respectively. If you want to link your own <code><a class="el" href="solsys-ephem_8c.html#a5e2d599b1dc7a0e87bfd29dbd6413398">solarsystem()</a></code> implementation(s) against the library, you should not set <code>DEFAULT_SOLSYS</code> (i.e. delete or comment out the corresponding line or else set <code>DEFAULT_SOLSYS</code> to 0).</li>
 <li>You may also want to specify the source file that will provide the <code><a class="el" href="solarsystem_8h.html#abb70fdad016c3a2ea45990eaa16b9245">readeph()</a></code> implementation for it by setting <code>DEFAULT_READEPH</code> appropriately. (The default setting uses the dummy <code>readeph0.c</code> which simply returns an error if one tries to use the functions from <code><a class="el" href="solsys1_8c.html">solsys1.c</a></code>). Note, that a <code><a class="el" href="solarsystem_8h.html#abb70fdad016c3a2ea45990eaa16b9245">readeph()</a></code> implementation is not always necessary and you can provide a superior ephemeris reader implementation at runtime via the <code><a class="el" href="novas_8c.html#a6097083c438a8d1872c2e00a66360030">set_ephem_provider()</a></code> call.</li>
-<li>You can enable integration with the <a href="https://www.imcce.fr/recherche/equipes/asd/calceph/">CALCEPH</a> C library, by setting <code>CALCEPH_SUPPORT = 1</code> in <code>config.mk</code> or in the shell prior to the build. When enabled it will build <code>libsolsys-calceph.so[.1]</code> and/or <code>.a</code> supplemental libraries, depending on the build target. The build of the modules requires an accessible installation of the CALCEPH development files (C headers and unversioned static or shared libraries depending on the needs of the build). You might want to set <code>LD_LIBRARY_PATH</code>, and/or <code>CPPFLAGS</code> to include an appropriate <code>-I&lt;path&gt;</code> option, to help locate these prior to calling <code>make</code>.</li>
+<li>You can enable integration with the <a href="https://www.imcce.fr/recherche/equipes/asd/calceph/">CALCEPH</a> C library, by setting <code>CALCEPH_SUPPORT = 1</code> in <code>config.mk</code> or in the shell prior to the build. When enabled it will build <code>libsolsys-calceph.so[.1]</code> and/or <code>.a</code> supplemental libraries, depending on the build target. The build of the modules requires an accessible installation of the CALCEPH development files (C headers and unversioned static or shared libraries depending on the needs of the build).</li>
+<li>You can enable integration with the <a href="https://naif.jpl.nasa.gov/naif/toolkit.html">NAIF CSPICE Toolkit</a>, by setting <code>CSPICE_SUPPORT = 1</code> in <code>config.mk</code> or in the shell prior to the build. When enabled it will build <code>libsolsys-cspice.so[.1]</code> and/or <code>.a</code> supplemental libraries, depending on the build target. The build of the modules requires an accessible installation of the CSPICE development files (C headers, under a <code>cspice/</code> sub-folder in the header search path, and unversioned static or shared libraries depending on the needs of the build). You might want to check out the <a href="https://github.com/Smithsonian/cspice-sharedlib">Smithsonian/cspice-sharedlib</a> repository for building CSPICE as a shared library.</li>
 <li>If you want to use the CIO locator binary file for <code><a class="el" href="novas_8c.html#a43141f0ea4598d6c87193c3ea594dd6c">cio_location()</a></code>, you can specify the path to the CIO locator file (e.g. <code>/usr/local/share/supernovas/CIO_RA.TXT</code>) on your system e.g. by setting the <code>CIO_LOCATOR_FILE</code> shell variable prior to calling <code>make</code>. (The CIO locator file is not at all necessary for the functioning of the library, unless you specifically require CIO positions relative to GCRS.)</li>
 <li>If your compiler does not support the C11 standard and it is not GCC &gt;=3.3, but provides some non-standard support for declaring thread-local variables, you may want to pass the keyword to use to declare variables as thread local via <code>-DTHREAD_LOCAL=...</code> added to <code>CFLAGS</code>. (Don't forget to enclose the string value in escaped quotes in <code>config.mk</code>, or unescaped if defining the <code>THREAD_LOCAL</code> shell variable prior to invoking <code>make</code>.)</li>
 </ul>
@@ -517,6 +519,7 @@ <h4><a class="anchor" id="autotoc_md62"></a>
 <li>New generic redshift-handling functions <code><a class="el" href="super_8c.html#aa54cd00024b294d38fa29433c017c65f">novas_v2z()</a></code>, <code><a class="el" href="novas_8c.html#a63621cea3b4985c1bfcc4514a7aa3fb1">novas_z2v()</a></code>,</li>
 <li>New functions to calculate and apply additional gravitational redshift corrections for light that originates near massive gravitating bodies (other than major planets, or Sun or Moon), or for observers located near massive gravitating bodies (other than the Sun and Earth). The added functions are <code><a class="el" href="super_8c.html#a3ce6b306bc183387d0aaac97abbd82e8">grav_redshift()</a></code>, <code>redhift_vrad()</code>, <code><a class="el" href="super_8c.html#aea89203030ca831260dec18f83081d23">unredshift_vrad()</a></code>, <code><a class="el" href="super_8c.html#a493ab751eee5804db77157c37e94e5c3">novas_z_add()</a></code>, and <code><a class="el" href="super_8c.html#a1130ad2ce520e948c71f03a25a713075">novas_z_inv()</a></code>.</li>
 <li>CALCEPH integration: <code><a class="el" href="solsys-calceph_8c.html#a35fc86a939602ec910dbdfde180d7f31">novas_use_calceph()</a></code> and/or <code><a class="el" href="solsys-calceph_8c.html#ab86ec03898e658c86c671a8b6399e331">novas_use_calceph_planets()</a></code> to specify and use ephemeris data via CALCEPH for Solar-system sources in general, and for major planets specifically; and <code><a class="el" href="solsys-calceph_8c.html#a5531b937a5bb5491cb475d2536346ad8">novas_calceph_use_ids()</a></code> to specify whether <code><a class="el" href="structobject.html#a7d578acc2a3e88ef2435fe0e88d01a74" title="enum novas_planet, or minor planet ID (e.g. NAIF), or star catalog ID.">object.number</a></code> in <code>NOVAS_EPHEM_OBJECT</code> type objects is a NAIF ID (default) or else a CALCEPH ID number of the Solar-system body.</li>
+<li>NAIF CSPICE integration: <code><a class="el" href="solsys-cspice_8c.html#a9b44218bca5fce1e9e5103494c15dde4">novas_use_cspice()</a></code>, <code><a class="el" href="solsys-cspice_8c.html#a943549e395b19f6a91064e3d6fa1c577">novas_use_cspice_planets()</a></code>, <code><a class="el" href="solsys-cspice_8c.html#afb078e1df9b5b08999d24e68d7b4ecdc">novas_use_cspice_ephem()</a></code> to use the NAIF CSPICE library for all Solar-system sources, major planets only, or for other bodies only. <code>NOVAS_EPHEM_OBJECTS</code> should use NAIF IDs with CSPICE (or else -1 for name-based lookup).</li>
 <li>NAIF/NOVAS ID conversions for major planets (and Sun, Moon, SSB): <code><a class="el" href="naif_8c.html#ab51ac9bdf7736e1c1582e0981046daf3">novas_to_naif_planet()</a></code>, <code><a class="el" href="naif_8c.html#ac3eb54acf22dc155879163de89c6865e">novas_to_dexxx_planet()</a></code>, and <code><a class="el" href="naif_8c.html#a1c4b3f67a3b82808dd16ae43dfaf0f86">naif_to_novas_planet()</a></code>.</li>
 <li>Access to custom ephemeris provider functions: <code><a class="el" href="novas_8c.html#a0f0a786b5614a788c02b37a462eae2d2">get_planet_provider()</a></code> and <code><a class="el" href="novas_8c.html#ae45badb450c1ca73920d982e12346c5b">get_planet_provider_hp()</a></code>.</li>
 <li>Added <code><a class="el" href="super_8c.html#a92e869b101bd41e31ac6d3a2419bb0a3">novas_planet_for_name()</a></code> function to return the NOVAS planet ID for a given (case insensitive) name.</li>
@@ -548,13 +551,14 @@ <h3><a class="anchor" id="autotoc_md63"></a>
 <hr  />
 <p><a class="anchor" id="solarsystem"></a> </p>
 <h2><a class="anchor" id="autotoc_md65"></a>
-External Solar-system ephemeris data or services</h2>
-<p>If you want to use SuperNOVAS to calculate positions for a range of Solar-system objects, and/or to do it with sufficient precision, you will have to integrate it with a suitable provider of ephemeris data, such as <a href="https://ssd.jpl.nasa.gov/horizons/app.html#/">JPL Horizons</a> or the <a href="https://www.minorplanetcenter.net/iau/mpc.html">Minor Planet Center</a>. Given the NOVAS C heritage, and some added SuperNOVAS flexibility in this area, you have several options on doing that. These are listed from the most flexible (and preferred) to the least flexible (old ways).</p>
-<p>NASA/JPL also provides <a href="https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/">generic ephemerides</a> for the major planets, satellites thereof, the 300 largest asteroids, the Lagrange points, and some Earth orbiting stations.</p>
+Incorporating Solar-system ephemeris data or services</h2>
+<p>If you want to use SuperNOVAS to calculate positions for a range of Solar-system objects, and/or to do it with sufficient precision, you will have to interface it to a suitable provider of ephemeris data, such as <a href="https://ssd.jpl.nasa.gov/horizons/app.html#/">JPL Horizons</a> or the <a href="https://www.minorplanetcenter.net/iau/mpc.html">Minor Planet Center</a>. Given the NOVAS C heritage, and some added SuperNOVAS flexibility in this area, you have several options on doing that. These are listed from the most practical (and preferred) to the least so (the old ways).</p>
+<p>NASA/JPL also provides <a href="https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/">generic ephemerides</a> for the major planets, satellites thereof, the 300 largest asteroids, the Lagrange points, and some Earth orbiting stations. For example, <a href="https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/planets/de440.bsp">DE440</a> covers the major planets, and the Sun, Moon, and the Solar-System Barycenter (SSB) for times between 1550 AD and 2650 AD. Or, you can use the <a href="https://ssd.jpl.nasa.gov/horizons/app.html#/">JPL HORIZONS</a> system to generate custom ephemeris data for pretty much all known solar systems bodies, down to the tiniest rocks.</p>
 <ul>
 <li><a class="el" href="index.html#universal-ephemerides">Universal ephemeris data / service integration</a></li>
-<li><a class="el" href="index.html#calceph-integration">Built-in support for CALCEPH integration</a></li>
-<li><a class="el" href="index.html#builtin-ephem-readers">Built-in support for (old) JPL major planet ephemerides</a></li>
+<li><a class="el" href="index.html#calceph-integration">Optional support for CALCEPH integration</a></li>
+<li><a class="el" href="index.html#cspice-integration">Optional support for NAIF CSPICE toolkit integration</a></li>
+<li><a class="el" href="index.html#builtin-ephem-readers">Alternative support for (older) JPL major planet ephemerides</a></li>
 <li><a class="el" href="index.html#explicit-ephem-linking">Explicit linking of custom ephemeris functions</a></li>
 </ul>
 <p><a class="anchor" id="universal-ephemerides"></a> </p>
@@ -579,10 +583,10 @@ <h3><a class="anchor" id="autotoc_md66"></a>
 </div><!-- fragment --><p>provided you compiled SuperNOVAS with <code>BUILTIN_SOLSYS_EPHEM = 1</code> (in <code>config.mk</code>), or else you link your code against <code><a class="el" href="solsys-ephem_8c.html">solsys-ephem.c</a></code> explicitly. Easy-peasy.</p>
 <p><a class="anchor" id="calceph-integration"></a> </p>
 <h3><a class="anchor" id="autotoc_md67"></a>
-Built-in support for CALCEPH integration</h3>
-<p>The <a href="https://www.imcce.fr/recherche/equipes/asd/calceph/">CALCEPH</a> library provides an easy-to-use access to JPL and INPOP ephemeris files from C/C++. As of version 1.2, we provide built-in support for integrating the CALCEPH C library with SuperNOVAS for handling Solar-system objects.</p>
-<p>Prior to building SuperNOVAS simply set <code>CALCEPH_SUPPORT</code> to 1 in <code>config.mk</code> or in your shell. Depending on the build target, it will build <code>libsolsys-calceph.so[.1]</code> (target <code>shared</code>) or <code>libsolsys-calceph.a</code> (target <code>static</code>) libraries, which provide the <code><a class="el" href="solsys-calceph_8c.html#a35fc86a939602ec910dbdfde180d7f31">novas_use_calceph()</a></code> and <code><a class="el" href="solsys-calceph_8c.html#ab86ec03898e658c86c671a8b6399e331">novas_use_calceph_planets()</a></code> functions.</p>
-<p>Of course, you will need access to the CALCEPH C development files (C headers and unversioned libraries) for the build to succeed. Here is an example on how you'd use CALCEPH with SuperNOVAS in your application code:</p>
+Optional support for CALCEPH integration</h3>
+<p>The <a href="https://www.imcce.fr/recherche/equipes/asd/calceph/">CALCEPH</a> library provides an easy-to-use access to JPL and INPOP ephemeris files from C/C++. As of version 1.2, we provide optional support for interfacing the CALCEPH C library with SuperNOVAS for handling Solar-system objects.</p>
+<p>Prior to building SuperNOVAS simply set <code>CALCEPH_SUPPORT</code> to 1 in <code>config.mk</code> or in your environment. Depending on the build target, it will build <code>libsolsys-calceph.so[.1]</code> (target <code>shared</code>) or <code>libsolsys-calceph.a</code> (target <code>static</code>) libraries, which provide the <code><a class="el" href="solsys-calceph_8c.html#a35fc86a939602ec910dbdfde180d7f31">novas_use_calceph()</a></code> and <code><a class="el" href="solsys-calceph_8c.html#ab86ec03898e658c86c671a8b6399e331">novas_use_calceph_planets()</a></code> functions.</p>
+<p>Of course, you will need access to the CALCEPH C development files (C headers and unversioned <code>libcalceph.so</code> or <code>.a</code> library) for the build to succeed. Here is an example on how you'd use CALCEPH with SuperNOVAS in your application code:</p>
 <div class="fragment"><div class="line"><span class="preprocessor">#include &lt;calceph.h&gt;</span></div>
 <div class="line"> </div>
 <div class="line"><span class="comment">// You can open a set of JPL/INPOP ephemeris files with CALCEPH...</span></div>
@@ -603,13 +607,35 @@ <h3><a class="anchor" id="autotoc_md67"></a>
 <div class="line">  <span class="comment">// Ooops something went wrong...</span></div>
 <div class="line">}</div>
 <div class="ttc" id="asolsys-calceph_8c_html_a35fc86a939602ec910dbdfde180d7f31"><div class="ttname"><a href="solsys-calceph_8c.html#a35fc86a939602ec910dbdfde180d7f31">novas_use_calceph</a></div><div class="ttdeci">int novas_use_calceph(t_calcephbin *eph)</div><div class="ttdef"><b>Definition</b> solsys-calceph.c:364</div></div>
-</div><!-- fragment --><p>You can obtain readily available standard ephemeris files from <a href="https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/">NASA/JPL</a>, such as <a href="https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/planets/de440.bsp">DE440</a>, which covers the major planets, plus Sun, Moon, and Solar-System Barycenter (SSB) for times between 1550 AD and 2650 AD. Or, you can use the <a href="https://ssd.jpl.nasa.gov/horizons/app.html#/">JPL HORIZONS</a> system to generate cutom ephemeris data for pretty much all known solar systems bodies, down to the tiniest rocks. All of these should work with the <code>solsys-calceph</code> plugin.</p>
-<p>And, when linking your application, don't forget to add <code>-lsolsys-calceph</code> to your link flags. That's all there is to it.</p>
-<p><a class="anchor" id="builtin-ephem-readers"></a> </p>
+</div><!-- fragment --><p>All modern JPL (SPK) ephemeris files should work with the <code>solsys-calceph</code> plugin. When linking your application, don't forget to add <code>-lsolsys-calceph</code> to your link flags. That's all there is to it.</p>
+<p><a class="anchor" id="cspice-integration"></a> </p>
 <h3><a class="anchor" id="autotoc_md68"></a>
-Built-in support for (old) JPL major planet ephemerides</h3>
+Optional support for NAIF CSPICE toolkit integration</h3>
+<p>The <a href="https://naif.jpl.nasa.gov/naif/toolkit.html">NAIF CSPICE Toolkit</a> is the canonical standard library for JPL ephemeris files from C/C++. As of version 1.2, we provide optional support for interfacing CSPICE with SuperNOVAS for handling Solar-system objects.</p>
+<p>Prior to building SuperNOVAS simply set <code>CSPICE_SUPPORT</code> to 1 in <code>config.mk</code> or in your environment. Depending on the build target, it will build <code>libsolsys-cspice.so[.1]</code> (target <code>shared</code>) or <code>libsolsys-cspice.a</code> (target <code>static</code>) libraries, which provide the <code><a class="el" href="solsys-cspice_8c.html#a9b44218bca5fce1e9e5103494c15dde4">novas_use_cspice()</a></code>, <code><a class="el" href="solsys-cspice_8c.html#a943549e395b19f6a91064e3d6fa1c577">novas_use_cspice_planets()</a></code>, and <code><a class="el" href="solsys-cspice_8c.html#afb078e1df9b5b08999d24e68d7b4ecdc">novas_use_cspice_ephem()</a></code> functions to enable CSPICE for providing data for all Solar-system sources, or for major planets only, or for other bodies only, respectively.</p>
+<p>Of course, you will need access to the CSPICE development files (C headers, installed under a <code>cspice/</code> directory of an header search location, and the unversioned <code>libcspice.so</code> or <code>.a</code> library) for the build to succeed. You may want to check out the <a href="https://github.com/Smithsonian/cspice-sharedlib">Smithsonian/cspice-sharedlib</a> GitHub repository to help you build CSPICE with shared libraries and dynamically linked tools.</p>
+<p>Here is an example on how you might use CSPICE with SuperNOVAS in your application code:</p>
+<div class="fragment"><div class="line"><span class="comment">// You can load the desired kernels for CSPICE, using the CSPICE API.</span></div>
+<div class="line"><span class="comment">// E.g. load DE440s and the Mars satellites from /data/ephem:</span></div>
+<div class="line">furnsh_c(<span class="stringliteral">&quot;/data/ephem/de440s.bsp&quot;</span>);</div>
+<div class="line">furnsh_c(<span class="stringliteral">&quot;/data/ephem/mar097.bsp&quot;</span>);</div>
+<div class="line">...</div>
+<div class="line"> </div>
+<div class="line"><span class="comment">// check for CSPICE errors</span></div>
+<div class="line">if(return_c()) {</div>
+<div class="line">  <span class="comment">// oops, one of the kernels must not have loaded...</span></div>
+<div class="line">  ...</div>
+<div class="line">}</div>
+<div class="line"> </div>
+<div class="line"><span class="comment">// Then use CSPICE as your SuperNOVAS ephemeris provider</span></div>
+<div class="line"><a class="code hl_function" href="solsys-cspice_8c.html#a9b44218bca5fce1e9e5103494c15dde4">novas_use_cspice</a>();</div>
+<div class="ttc" id="asolsys-cspice_8c_html_a9b44218bca5fce1e9e5103494c15dde4"><div class="ttname"><a href="solsys-cspice_8c.html#a9b44218bca5fce1e9e5103494c15dde4">novas_use_cspice</a></div><div class="ttdeci">int novas_use_cspice()</div><div class="ttdef"><b>Definition</b> solsys-cspice.c:388</div></div>
+</div><!-- fragment --><p>All JPL ephemeris data will work with the <code>solsys-cspice</code> plugin. When linking your application, don't forget to add <code>-lsolsys-cspice</code> to your link flags. That's all there is to it.</p>
+<p><a class="anchor" id="builtin-ephem-readers"></a> </p>
+<h3><a class="anchor" id="autotoc_md69"></a>
+Alternative support for (older) JPL major planet ephemerides</h3>
 <p>If you only need support for major planets, you may be able to use one of the modules included in the SuperNOVAS distribution. The modules <code><a class="el" href="solsys1_8c.html">solsys1.c</a></code> and <code><a class="el" href="solsys2_8c.html">solsys2.c</a></code> provide built-in support to older JPL ephemerides (DE200 to DE421), either via the <code>eph_manager</code> interface of <code><a class="el" href="solsys1_8c.html">solsys1.c</a></code> or via the FORTRAN <code>pleph</code> interface with <code><a class="el" href="solsys2_8c.html">solsys2.c</a></code>.</p>
-<h4><a class="anchor" id="autotoc_md69"></a>
+<h4><a class="anchor" id="autotoc_md70"></a>
 Planets via &lt;tt&gt;eph_manager&lt;/tt&gt;</h4>
 <p>To use the <code>eph_manager</code> interface for planet 1997 JPL planet ephemeris (DE200 through DE421), you must either build SuperNOVAS with <code>BUILTIN_SOLSYS1 = 1</code> in <code>config.mk</code>, or else link your application with <code><a class="el" href="solsys1_8c.html">solsys1.c</a></code> and <code><a class="el" href="eph__manager_8c.html">eph_manager.c</a></code> from SuperNOVAS explicitly. If you want <code>eph_manager</code> to be your default ephemeris provider (the old way) you might also want to set <code>DEFAULT_SOLSYS = 1</code> in <code>config.mk</code>. Otherwise, your application should set <code>eph_manager</code> as your planetary ephemeris provider at runtime via:</p>
 <div class="fragment"><div class="line"><a class="code hl_function" href="novas_8c.html#a9904c454bc7148b42d0f927b82ea3973">set_planet_provider</a>(<a class="code hl_function" href="solsys1_8c.html#a71d2bfef45818d56e359205c57db0694">planet_eph_manager</a>);</div>
@@ -627,7 +653,7 @@ <h4><a class="anchor" id="autotoc_md69"></a>
 <div class="ttc" id="aeph__manager_8c_html_a333da81ba7453316e26f32f628fefc0e"><div class="ttname"><a href="eph__manager_8c.html#a333da81ba7453316e26f32f628fefc0e">ephem_close</a></div><div class="ttdeci">short ephem_close(void)</div><div class="ttdef"><b>Definition</b> eph_manager.c:224</div></div>
 </div><!-- fragment --><p>Note, that at any given time <code>eph_manager</code> can have only one ephemeris data file opened. You cannot use it to retrieve data from multiple ephemeris input files at the same time. (But you can with the CSPICE toolkit, which you can integrate as discussed further above!)</p>
 <p>That's all, except the warning that this method will not work with newer JPL ephemeris data, beyond DE421.</p>
-<h4><a class="anchor" id="autotoc_md70"></a>
+<h4><a class="anchor" id="autotoc_md71"></a>
 Planets via JPL's &lt;tt&gt;pleph&lt;/tt&gt; FORTRAN interface</h4>
 <p>To interface eith the JPL PLEPH library (FORTRAN) for planet ephemerides, you must either build SuperNOVAS with <code>BUILTIN_SOLSYS2 = 1</code> in <code>config.mk</code>, or else link your application with <code><a class="el" href="solsys2_8c.html">solsys2.c</a></code> and your appropriately modified <code>jplint.f</code> (from the <code>examples</code> sub-directory) explicitly, together with the JPL PLEPH library. If you want this to be your default ephemeris provider (the old way) you might also want to set <code>DEFAULT_SOLSYS = 2</code> in <code>config.mk</code>. Otherwise, your application should set your planetary ephemeris provider at runtime via:</p>
 <div class="fragment"><div class="line"><a class="code hl_function" href="novas_8c.html#a9904c454bc7148b42d0f927b82ea3973">set_planet_provider</a>(<a class="code hl_function" href="solsys2_8c.html#aceb7bc6823b1823d8a8360517ff58f29">planet_jplint</a>);</div>
@@ -636,14 +662,14 @@ <h4><a class="anchor" id="autotoc_md70"></a>
 <div class="ttc" id="asolsys2_8c_html_aceb7bc6823b1823d8a8360517ff58f29"><div class="ttname"><a href="solsys2_8c.html#aceb7bc6823b1823d8a8360517ff58f29">planet_jplint</a></div><div class="ttdeci">short planet_jplint(double jd_tdb, enum novas_planet body, enum novas_origin origin, double *position, double *velocity)</div><div class="ttdef"><b>Definition</b> solsys2.c:86</div></div>
 </div><!-- fragment --><p>Integrating JPL ephemeris data this way can be arduous. You will need to compile and link FORTRAN with C (not the end of the world), but you may also have to modify <code>jplint.f</code> (providing the intermediate FORTRAN <code><a class="el" href="solsys2_8c.html#ab53652c0e203b166427464ee1691c236" title="Function prototype for the FORTRAN subroutine jplint in jplint.f.">jplint_()</a></code> / <code><a class="el" href="solsys2_8c.html#a14752a69e14c399d5ee82e83f22acf68" title="Function prototype for the FORTRAN subroutine jplihp in jplint.f.">jplihp_()</a></code> interfaces to <code>pleph_()</code>) to work with the version of <code>pleph.f</code> that you will be using. Unless you already have code that relies on this method, you are probably better off choosing one of the other ways for integrating planetary ephemeris data with SuperNOVAS.</p>
 <p><a class="anchor" id="explicit-ephem-linking"></a> </p>
-<h3><a class="anchor" id="autotoc_md71"></a>
+<h3><a class="anchor" id="autotoc_md72"></a>
 Explicit linking of custom ephemeris functions</h3>
 <p>Finally, if none of the above is appealing, and you are fond of the old ways, you may compile SuperNOVAS with the <code>DEFAULT_SOLSYS</code> option disabled (commented, removed, or else set to 0), and then link your own implementation of <code><a class="el" href="solsys-ephem_8c.html#a5e2d599b1dc7a0e87bfd29dbd6413398">solarsystem()</a></code> and <code><a class="el" href="solsys-ephem_8c.html#a0243c2489c22860de898115aed8ffc87">solarsystem_hp()</a></code> calls with your application.</p>
 <p>For Solar-system objects other than the major planets, you may also provide your own <code><a class="el" href="solarsystem_8h.html#abb70fdad016c3a2ea45990eaa16b9245">readeph()</a></code> implementation. (In this case you will want to set <code>DEFAULT_READEPH</code> in <code>config.mk</code> to specify your source code for that function before building the SuperNOVAS library, or else disable that option entirely (e.g. by commenting or removing it), and link your application explicitly with your <code><a class="el" href="solarsystem_8h.html#abb70fdad016c3a2ea45990eaa16b9245">readeph()</a></code> implementation.</p>
 <p>The downside of this approach is that your SuperNOVAS library will not be usable without invariably providing a <code><a class="el" href="solsys-ephem_8c.html#a5e2d599b1dc7a0e87bfd29dbd6413398">solarsystem()</a></code> / <code><a class="el" href="solsys-ephem_8c.html#a0243c2489c22860de898115aed8ffc87">solarsystem_hp()</a></code> and/or <code><a class="el" href="solarsystem_8h.html#abb70fdad016c3a2ea45990eaa16b9245">readeph()</a></code> implementations for <em>every</em> application that you will want to use SuperNOVAS with. This is why the runtime configuration of the ephemeris provider functions is the best and most generic way to add your preferred implementations while also providing some minimum default implementations for <em>other users</em> of the library, who may not need <em>your</em> ephemeris service, or have no need for planet data beyond the approximate positions for the Earth and Sun.</p>
 <hr  />
 <p><a class="anchor" id="debug-support"></a> </p>
-<h2><a class="anchor" id="autotoc_md73"></a>
+<h2><a class="anchor" id="autotoc_md74"></a>
 Runtime debug support</h2>
 <p>You can enable or disable debugging output to <code>stderr</code> with <code><a class="el" href="novas_8c.html#a5f35633b872751df4dacd2fb2cbe4ac3">novas_debug(enum novas_debug_mode)</a></code>, where the argument is one of the defined constants from <code><a class="el" href="novas_8h.html">novas.h</a></code>:</p>
 <table class="markdownTable">
@@ -659,7 +685,7 @@ <h2><a class="anchor" id="autotoc_md73"></a>
 <p>The main difference between <code>NOVAS_DEBUG_ON</code> and <code>NOVAS_DEBUG_EXTRA</code> is that the latter will treat minor issues as errors also, while the former may ignore them. For example, <code><a class="el" href="novas_8c.html#a263de1618d80fcc737984951fa97c5a3">place()</a></code> will return normally by default if it cannot calculate gravitational bending around massive planets in full accuracy mode. It is unlikely that this omission would significantly alter the result in most cases, except for some very specific ones when observing in a direction close to a major planet. Thus, with <code>NOVAS_DEBUG_ON</code>, <code><a class="el" href="novas_8c.html#a263de1618d80fcc737984951fa97c5a3">place()</a></code> go about as usual even if the Jupiter's position is not known. However, <code>NOVAS_DEBUG_EXTRA</code> will not give it a free pass, and will make <code><a class="el" href="novas_8c.html#a263de1618d80fcc737984951fa97c5a3">place()</a></code> return an error (and print the trace) if it cannot properly account for gravitational bending around the major planets as it is expected to.</p>
 <hr  />
 <p><a class="anchor" id="release-schedule"></a> </p>
-<h2><a class="anchor" id="autotoc_md75"></a>
+<h2><a class="anchor" id="autotoc_md76"></a>
 Release schedule</h2>
 <p>A predictable release schedule and process can help manage expectations and reduce stress on adopters and developers alike.</p>
 <p>Releases of the library shall follow a quarterly release schedule. You may expect upcoming releases to be published around <b>February 1</b>, <b>May 1</b>, <b>August 1</b>, and/or <b>November 1</b> each year, on an as-needed basis. That means that if there are outstanding bugs, or new pull requests (PRs), you may expect a release that addresses these in the upcoming quarter. The dates are placeholders only, with no guarantee that a new release will actually be available every quarter. If nothing of note comes up, a potential release date may pass without a release being published.</p>
diff --git a/apidoc/html/md_CHANGELOG.html b/apidoc/html/md_CHANGELOG.html
index 9534c670..b97ae747 100644
--- a/apidoc/html/md_CHANGELOG.html
+++ b/apidoc/html/md_CHANGELOG.html
@@ -126,6 +126,7 @@ <h1><a class="anchor" id="autotoc_md2"></a>
 <li>#57: New generic redshift-handling functions <code><a class="el" href="super_8c.html#aa54cd00024b294d38fa29433c017c65f">novas_v2z()</a></code>, <code><a class="el" href="novas_8c.html#a63621cea3b4985c1bfcc4514a7aa3fb1">novas_z2v()</a></code>,</li>
 <li>#58: New functions to calculate and apply additional gravitational redshift corrections for light that originates near massive gravitating bodies (other than major planets, or Sun or Moon), or for observers located near massive gravitating bodies (other than the Sun and Earth). The added functions are <code><a class="el" href="super_8c.html#a3ce6b306bc183387d0aaac97abbd82e8">grav_redshift()</a></code>, <code>redhift_vrad()</code>, <code><a class="el" href="super_8c.html#aea89203030ca831260dec18f83081d23">unredshift_vrad()</a></code>, <code><a class="el" href="super_8c.html#a493ab751eee5804db77157c37e94e5c3">novas_z_add()</a></code>, and <code><a class="el" href="super_8c.html#a1130ad2ce520e948c71f03a25a713075">novas_z_inv()</a></code>.</li>
 <li>#83: CALCEPH integration: <code><a class="el" href="solsys-calceph_8c.html#a35fc86a939602ec910dbdfde180d7f31">novas_use_calceph()</a></code> and/or <code><a class="el" href="solsys-calceph_8c.html#ab86ec03898e658c86c671a8b6399e331">novas_use_calceph_planets()</a></code> to specify and use ephemeris data via CALCEPH for Solar-system sources in general, and for major planets specifically; and <code><a class="el" href="solsys-calceph_8c.html#a5531b937a5bb5491cb475d2536346ad8">novas_calceph_use_ids()</a></code> to specify whether <code><a class="el" href="structobject.html#a7d578acc2a3e88ef2435fe0e88d01a74" title="enum novas_planet, or minor planet ID (e.g. NAIF), or star catalog ID.">object.number</a></code> in <code>NOVAS_EPHEM_OBJECT</code> type objects is a NAIF ID (default) or else a CALCEPH ID number of the Solar-system body. These functions are provided by the <code>libsolsys-calceph.so[.1]</code> and/or <code>.a</code> plugin libraries, which are built contingent on the <code>CALCEPH_SUPPORT</code> variable being set to 1 prior to the build. The build of the plugin module requires an accessible installation of the CALCEPH development files (C headers and unversioned static or shared libraries depending on the needs of the build).</li>
+<li>#86: NAIF CSPICE integration: <code><a class="el" href="solsys-cspice_8c.html#a9b44218bca5fce1e9e5103494c15dde4">novas_use_cspice()</a></code>, <code><a class="el" href="solsys-cspice_8c.html#a943549e395b19f6a91064e3d6fa1c577">novas_use_cspice_planets()</a></code>, <code><a class="el" href="solsys-cspice_8c.html#afb078e1df9b5b08999d24e68d7b4ecdc">novas_use_cspice_ephem()</a></code> to use the NAIF CSPICE library for all Solar-system sources, major planets only, or for other bodies only. <code>NOVAS_EPHEM_OBJECTS</code> should use NAIF IDs with CSPICE (or else -1 for name-based lookup). These functions are provided by the <code>libsolsys-cspice.so[.1]</code> and/or <code>.a</code> plugin libraries, which are built contingent on the <code>CSPICE_SUPPORT</code> variable being set to 1 prior to the build. The build of the plugin module requires an accessible installation of the CSPICE development files (C headers and unversioned static or shared libraries depending on the needs of the build).</li>
 <li>#87: Added <code><a class="el" href="super_8c.html#a92e869b101bd41e31ac6d3a2419bb0a3">novas_planet_for_name()</a></code> function to return the NOVAS planet ID for a given (case insensitive) name.</li>
 <li>NOVAS-NAIF conversions for major planets (and Sun, Moon, SSB): <code><a class="el" href="naif_8c.html#ab51ac9bdf7736e1c1582e0981046daf3">novas_to_naif_planet()</a></code> (planet centers), <code><a class="el" href="naif_8c.html#ac3eb54acf22dc155879163de89c6865e">novas_to_dexxx_planet()</a></code> (mixed planet center/barycenter for DExxx ephemeris files), and the inverse <code><a class="el" href="naif_8c.html#a1c4b3f67a3b82808dd16ae43dfaf0f86">naif_to_novas_planet()</a></code>.</li>
 <li>Added <code><a class="el" href="novas_8c.html#a0f0a786b5614a788c02b37a462eae2d2">get_planet_provider()</a></code> and <code><a class="el" href="novas_8c.html#ae45badb450c1ca73920d982e12346c5b">get_planet_provider_hp()</a></code> functions for convenience to return the <code><a class="el" href="solsys-ephem_8c.html#a5e2d599b1dc7a0e87bfd29dbd6413398">solarsystem()</a></code> / <code><a class="el" href="solsys-ephem_8c.html#a0243c2489c22860de898115aed8ffc87">solarsystem_hp()</a></code> type custom planet ephemeris provider functions currently configured, so they may be used directly, outside of <code><a class="el" href="novas_8c.html#a3221fff69d0ca52ae4694ec3ab0368ad">ephemeris()</a></code> calls.</li>
diff --git a/apidoc/html/navtreedata.js b/apidoc/html/navtreedata.js
index 11bd4d81..8521301c 100644
--- a/apidoc/html/navtreedata.js
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@@ -60,17 +60,18 @@ var NAVTREE =
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+        [ "Optional support for CALCEPH integration", "index.html#autotoc_md67", null ],
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-        [ "Explicit linking of custom ephemeris functions", "index.html#autotoc_md71", null ]
+        [ "Explicit linking of custom ephemeris functions", "index.html#autotoc_md72", null ]
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-      [ "Runtime debug support", "index.html#autotoc_md73", null ],
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+      [ "Release schedule", "index.html#autotoc_md76", null ],
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+<meta name="keywords" content="astronomy, astrometry, C, C++, C99, software library, open source, NOVAS"/>
+<meta name="author" content="Attila Kovacs"/>
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+<title>SuperNOVAS: src/solsys-cspice.c File Reference</title>
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+   <div id="projectname">SuperNOVAS<span id="projectnumber">&#160;v1.2</span>
+   </div>
+   <div id="projectbrief">The NOVAS C library, made better</div>
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+<!-- Generated by Doxygen 1.9.8 -->
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+/* @license-end */
+</script>
+<div id="doc-content">
+<!-- window showing the filter options -->
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+
+<div class="header">
+  <div class="summary">
+<a href="#func-members">Functions</a>  </div>
+  <div class="headertitle"><div class="title">solsys-cspice.c File Reference</div></div>
+</div><!--header-->
+<div class="contents">
+<table class="memberdecls">
+<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
+Functions</h2></td></tr>
+<tr class="memitem:a9b44218bca5fce1e9e5103494c15dde4" id="r_a9b44218bca5fce1e9e5103494c15dde4"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="solsys-cspice_8c.html#a9b44218bca5fce1e9e5103494c15dde4">novas_use_cspice</a> ()</td></tr>
+<tr class="separator:a9b44218bca5fce1e9e5103494c15dde4"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:afb078e1df9b5b08999d24e68d7b4ecdc" id="r_afb078e1df9b5b08999d24e68d7b4ecdc"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="solsys-cspice_8c.html#afb078e1df9b5b08999d24e68d7b4ecdc">novas_use_cspice_ephem</a> ()</td></tr>
+<tr class="separator:afb078e1df9b5b08999d24e68d7b4ecdc"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a943549e395b19f6a91064e3d6fa1c577" id="r_a943549e395b19f6a91064e3d6fa1c577"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="solsys-cspice_8c.html#a943549e395b19f6a91064e3d6fa1c577">novas_use_cspice_planets</a> ()</td></tr>
+<tr class="separator:a943549e395b19f6a91064e3d6fa1c577"><td class="memSeparator" colspan="2">&#160;</td></tr>
+</table>
+<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
+<div class="textblock"><dl class="section author"><dt>Author</dt><dd>A. Kovacs</dd></dl>
+<p>SuperNOVAS major planet ephemeris lookup implementation via the NAIF CSPICE library See <a href="https://naif.jpl.nasa.gov/naif/toolkit.html">https://naif.jpl.nasa.gov/naif/toolkit.html</a> </p>
+</div><h2 class="groupheader">Function Documentation</h2>
+<a id="a9b44218bca5fce1e9e5103494c15dde4" name="a9b44218bca5fce1e9e5103494c15dde4"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a9b44218bca5fce1e9e5103494c15dde4">&#9670;&#160;</a></span>novas_use_cspice()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">int novas_use_cspice </td>
+          <td>(</td>
+          <td class="paramname"></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Sets CSPICE as the default ephemeris provider for all types of Solar-system objects (both NOVAS_PLANET and NOVAS_EPHEM_OBJECT types).</p>
+<p>CSPICE is configured to suppress error messages and to not exit on errors, since we will check errors and handle them ourselves. You can adjust the behavior after this call with the CSPICE errprt_c() and erract_c() functions, respectively.</p>
+<dl class="section return"><dt>Returns</dt><dd>0</dd></dl>
+<dl class="section see"><dt>See also</dt><dd><a class="el" href="solsys-cspice_8c.html#a943549e395b19f6a91064e3d6fa1c577">novas_use_cspice_planets()</a> </dd>
+<dd>
+<a class="el" href="solsys-cspice_8c.html#afb078e1df9b5b08999d24e68d7b4ecdc">novas_use_cspice_ephem()</a></dd></dl>
+<dl class="section author"><dt>Author</dt><dd>Attila Kovacs </dd></dl>
+<dl class="section since"><dt>Since</dt><dd>1.2 </dd></dl>
+
+<p class="reference">References <a class="el" href="solsys-cspice_8c.html#afb078e1df9b5b08999d24e68d7b4ecdc">novas_use_cspice_ephem()</a>, and <a class="el" href="solsys-cspice_8c.html#a943549e395b19f6a91064e3d6fa1c577">novas_use_cspice_planets()</a>.</p>
+
+</div>
+</div>
+<a id="afb078e1df9b5b08999d24e68d7b4ecdc" name="afb078e1df9b5b08999d24e68d7b4ecdc"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#afb078e1df9b5b08999d24e68d7b4ecdc">&#9670;&#160;</a></span>novas_use_cspice_ephem()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">int novas_use_cspice_ephem </td>
+          <td>(</td>
+          <td class="paramname"></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Sets a ephemeris provider for NOVAS_EPHEM_OBJECT types using the NAIF CSPICE library.</p>
+<p>CSPICE is configured to suppress error messages and to not exit on errors, since we will check errors and handle them ourselves. You can adjust the behavior after this call with the CSPICE errprt_c() and erract_c() functions, respectively.</p>
+<dl class="section return"><dt>Returns</dt><dd>0</dd></dl>
+<dl class="section see"><dt>See also</dt><dd><a class="el" href="solsys-cspice_8c.html#a943549e395b19f6a91064e3d6fa1c577">novas_use_cspice_planets()</a> </dd>
+<dd>
+<a class="el" href="solsys-cspice_8c.html#a9b44218bca5fce1e9e5103494c15dde4">novas_use_cspice()</a> </dd>
+<dd>
+<a class="el" href="novas_8c.html#a6097083c438a8d1872c2e00a66360030">set_ephem_provider()</a></dd></dl>
+<dl class="section author"><dt>Author</dt><dd>Attila Kovacs </dd></dl>
+<dl class="section since"><dt>Since</dt><dd>1.2 </dd></dl>
+
+<p class="reference">References <a class="el" href="novas_8c.html#a6097083c438a8d1872c2e00a66360030">set_ephem_provider()</a>.</p>
+
+</div>
+</div>
+<a id="a943549e395b19f6a91064e3d6fa1c577" name="a943549e395b19f6a91064e3d6fa1c577"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a943549e395b19f6a91064e3d6fa1c577">&#9670;&#160;</a></span>novas_use_cspice_planets()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">int novas_use_cspice_planets </td>
+          <td>(</td>
+          <td class="paramname"></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Sets CSPICE as the ephemeris provider for the major planets (and Sun, Moon, and SSB) using the NAIF CSPICE library.</p>
+<p>CSPICE is configured to suppress error messages and to not exit on errors, since we will check errors and handle them ourselves. You can adjust the behavior after this call with the CSPICE errprt_c() and erract_c() functions, respectively.</p>
+<dl class="section return"><dt>Returns</dt><dd>0</dd></dl>
+<dl class="section see"><dt>See also</dt><dd><a class="el" href="solsys-cspice_8c.html#afb078e1df9b5b08999d24e68d7b4ecdc">novas_use_cspice_ephem()</a> </dd>
+<dd>
+<a class="el" href="solsys-cspice_8c.html#a9b44218bca5fce1e9e5103494c15dde4">novas_use_cspice()</a> </dd>
+<dd>
+<a class="el" href="novas_8c.html#a9904c454bc7148b42d0f927b82ea3973">set_planet_provider()</a> </dd>
+<dd>
+<a class="el" href="novas_8c.html#a418f45a11ce7f92ba0ef817558415640">set_planet_provider_hp()</a></dd></dl>
+<dl class="section author"><dt>Author</dt><dd>Attila Kovacs </dd></dl>
+<dl class="section since"><dt>Since</dt><dd>1.2 </dd></dl>
+
+<p class="reference">References <a class="el" href="novas_8c.html#a9904c454bc7148b42d0f927b82ea3973">set_planet_provider()</a>, and <a class="el" href="novas_8c.html#a418f45a11ce7f92ba0ef817558415640">set_planet_provider_hp()</a>.</p>
+
+</div>
+</div>
+</div><!-- contents -->
+</div><!-- doc-content -->
+<!-- start footer part -->
+<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
+  <ul>
+    <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="solsys-cspice_8c.html">solsys-cspice.c</a></li>
+    <li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.8 </li>
+  </ul>
+</div>
+</body>
+</html>
diff --git a/apidoc/html/solsys-cspice_8c.js b/apidoc/html/solsys-cspice_8c.js
new file mode 100644
index 00000000..6c25d5a6
--- /dev/null
+++ b/apidoc/html/solsys-cspice_8c.js
@@ -0,0 +1,6 @@
+var solsys_cspice_8c =
+[
+    [ "novas_use_cspice", "solsys-cspice_8c.html#a9b44218bca5fce1e9e5103494c15dde4", null ],
+    [ "novas_use_cspice_ephem", "solsys-cspice_8c.html#afb078e1df9b5b08999d24e68d7b4ecdc", null ],
+    [ "novas_use_cspice_planets", "solsys-cspice_8c.html#a943549e395b19f6a91064e3d6fa1c577", null ]
+];
\ No newline at end of file
diff --git a/apidoc/html/toc.xml b/apidoc/html/toc.xml
index cca845bb..037a3d1c 100644
--- a/apidoc/html/toc.xml
+++ b/apidoc/html/toc.xml
@@ -32,17 +32,18 @@
       </topic>
       <topic label="Refinements to the NOVAS C API" href="index.html#autotoc_md63"/>
     </topic>
-    <topic label="External Solar-system ephemeris data or services" href="index.html#autotoc_md65">
+    <topic label="Incorporating Solar-system ephemeris data or services" href="index.html#autotoc_md65">
       <topic label="Universal ephemeris data / service integration" href="index.html#autotoc_md66"/>
-      <topic label="Built-in support for CALCEPH integration" href="index.html#autotoc_md67"/>
-      <topic label="Built-in support for (old) JPL major planet ephemerides" href="index.html#autotoc_md68">
-        <topic label="Planets via &lt;tt&gt;eph_manager&lt;/tt&gt;" href="index.html#autotoc_md69"/>
-        <topic label="Planets via JPL&apos;s &lt;tt&gt;pleph&lt;/tt&gt; FORTRAN interface" href="index.html#autotoc_md70"/>
+      <topic label="Optional support for CALCEPH integration" href="index.html#autotoc_md67"/>
+      <topic label="Optional support for NAIF CSPICE toolkit integration" href="index.html#autotoc_md68"/>
+      <topic label="Alternative support for (older) JPL major planet ephemerides" href="index.html#autotoc_md69">
+        <topic label="Planets via &lt;tt&gt;eph_manager&lt;/tt&gt;" href="index.html#autotoc_md70"/>
+        <topic label="Planets via JPL&apos;s &lt;tt&gt;pleph&lt;/tt&gt; FORTRAN interface" href="index.html#autotoc_md71"/>
       </topic>
-      <topic label="Explicit linking of custom ephemeris functions" href="index.html#autotoc_md71"/>
+      <topic label="Explicit linking of custom ephemeris functions" href="index.html#autotoc_md72"/>
     </topic>
-    <topic label="Runtime debug support" href="index.html#autotoc_md73"/>
-    <topic label="Release schedule" href="index.html#autotoc_md75"/>
+    <topic label="Runtime debug support" href="index.html#autotoc_md74"/>
+    <topic label="Release schedule" href="index.html#autotoc_md76"/>
   </topic>
   <topic label="Changelog" href="md_CHANGELOG.html">
     <topic label="[Unreleased]" href="md_CHANGELOG.html#autotoc_md1"/>
@@ -869,6 +870,11 @@
           <topic label="novas_use_calceph" href="solsys-calceph_8c.html#a35fc86a939602ec910dbdfde180d7f31"/>
           <topic label="novas_use_calceph_planets" href="solsys-calceph_8c.html#ab86ec03898e658c86c671a8b6399e331"/>
         </topic>
+        <topic label="solsys-cspice.c" href="solsys-cspice_8c.html">
+          <topic label="novas_use_cspice" href="solsys-cspice_8c.html#a9b44218bca5fce1e9e5103494c15dde4"/>
+          <topic label="novas_use_cspice_ephem" href="solsys-cspice_8c.html#afb078e1df9b5b08999d24e68d7b4ecdc"/>
+          <topic label="novas_use_cspice_planets" href="solsys-cspice_8c.html#a943549e395b19f6a91064e3d6fa1c577"/>
+        </topic>
         <topic label="solsys-ephem.c" href="solsys-ephem_8c.html">
           <topic label="planet_ephem_provider" href="solsys-ephem_8c.html#a61c60adf57c00d797fac94bb5841c271"/>
           <topic label="planet_ephem_provider_hp" href="solsys-ephem_8c.html#ae19eb2bcaaa2deb9fe27fba8090724e1"/>
diff --git a/apidoc/man/man3/md_CHANGELOG.3 b/apidoc/man/man3/md_CHANGELOG.3
index a512b016..08a506b6 100644
--- a/apidoc/man/man3/md_CHANGELOG.3
+++ b/apidoc/man/man3/md_CHANGELOG.3
@@ -21,6 +21,8 @@ Changes expected for the next feature release, expected around 1 February 2025\&
 .IP "\(bu" 2
 #83: CALCEPH integration: \fC\fBnovas_use_calceph()\fP\fP and/or \fC\fBnovas_use_calceph_planets()\fP\fP to specify and use ephemeris data via CALCEPH for Solar-system sources in general, and for major planets specifically; and \fC\fBnovas_calceph_use_ids()\fP\fP to specify whether \fC\fBobject\&.number\fP\fP in \fCNOVAS_EPHEM_OBJECT\fP type objects is a NAIF ID (default) or else a CALCEPH ID number of the Solar-system body\&. These functions are provided by the \fClibsolsys-calceph\&.so[\&.1]\fP and/or \fC\&.a\fP plugin libraries, which are built contingent on the \fCCALCEPH_SUPPORT\fP variable being set to 1 prior to the build\&. The build of the plugin module requires an accessible installation of the CALCEPH development files (C headers and unversioned static or shared libraries depending on the needs of the build)\&.
 .IP "\(bu" 2
+#86: NAIF CSPICE integration: \fC\fBnovas_use_cspice()\fP\fP, \fC\fBnovas_use_cspice_planets()\fP\fP, \fC\fBnovas_use_cspice_ephem()\fP\fP to use the NAIF CSPICE library for all Solar-system sources, major planets only, or for other bodies only\&. \fCNOVAS_EPHEM_OBJECTS\fP should use NAIF IDs with CSPICE (or else -1 for name-based lookup)\&. These functions are provided by the \fClibsolsys-cspice\&.so[\&.1]\fP and/or \fC\&.a\fP plugin libraries, which are built contingent on the \fCCSPICE_SUPPORT\fP variable being set to 1 prior to the build\&. The build of the plugin module requires an accessible installation of the CSPICE development files (C headers and unversioned static or shared libraries depending on the needs of the build)\&.
+.IP "\(bu" 2
 #87: Added \fC\fBnovas_planet_for_name()\fP\fP function to return the NOVAS planet ID for a given (case insensitive) name\&.
 .IP "\(bu" 2
 NOVAS-NAIF conversions for major planets (and Sun, Moon, SSB): \fC\fBnovas_to_naif_planet()\fP\fP (planet centers), \fC\fBnovas_to_dexxx_planet()\fP\fP (mixed planet center/barycenter for DExxx ephemeris files), and the inverse \fC\fBnaif_to_novas_planet()\fP\fP\&.
diff --git a/apidoc/man/man3/solsys-cspice.c.3 b/apidoc/man/man3/solsys-cspice.c.3
new file mode 100644
index 00000000..67904103
--- /dev/null
+++ b/apidoc/man/man3/solsys-cspice.c.3
@@ -0,0 +1,132 @@
+.TH "src/solsys-cspice.c" 3 "Version v1.2" "SuperNOVAS" \" -*- nroff -*-
+.ad l
+.nh
+.SH NAME
+src/solsys-cspice.c
+.SH SYNOPSIS
+.br
+.PP
+.SS "Functions"
+
+.in +1c
+.ti -1c
+.RI "int \fBnovas_use_cspice\fP ()"
+.br
+.ti -1c
+.RI "int \fBnovas_use_cspice_ephem\fP ()"
+.br
+.ti -1c
+.RI "int \fBnovas_use_cspice_planets\fP ()"
+.br
+.in -1c
+.SH "Detailed Description"
+.PP 
+
+.PP
+\fBAuthor\fP
+.RS 4
+A\&. Kovacs
+.RE
+.PP
+SuperNOVAS major planet ephemeris lookup implementation via the NAIF CSPICE library See https://naif.jpl.nasa.gov/naif/toolkit.html 
+.SH "Function Documentation"
+.PP 
+.SS "int novas_use_cspice ()"
+Sets CSPICE as the default ephemeris provider for all types of Solar-system objects (both NOVAS_PLANET and NOVAS_EPHEM_OBJECT types)\&.
+.PP
+CSPICE is configured to suppress error messages and to not exit on errors, since we will check errors and handle them ourselves\&. You can adjust the behavior after this call with the CSPICE errprt_c() and erract_c() functions, respectively\&.
+.PP
+\fBReturns\fP
+.RS 4
+0
+.RE
+.PP
+\fBSee also\fP
+.RS 4
+\fBnovas_use_cspice_planets()\fP 
+.PP
+\fBnovas_use_cspice_ephem()\fP
+.RE
+.PP
+\fBAuthor\fP
+.RS 4
+Attila Kovacs 
+.RE
+.PP
+\fBSince\fP
+.RS 4
+1\&.2 
+.RE
+.PP
+
+.PP
+References \fBnovas_use_cspice_ephem()\fP, and \fBnovas_use_cspice_planets()\fP\&.
+.SS "int novas_use_cspice_ephem ()"
+Sets a ephemeris provider for NOVAS_EPHEM_OBJECT types using the NAIF CSPICE library\&.
+.PP
+CSPICE is configured to suppress error messages and to not exit on errors, since we will check errors and handle them ourselves\&. You can adjust the behavior after this call with the CSPICE errprt_c() and erract_c() functions, respectively\&.
+.PP
+\fBReturns\fP
+.RS 4
+0
+.RE
+.PP
+\fBSee also\fP
+.RS 4
+\fBnovas_use_cspice_planets()\fP 
+.PP
+\fBnovas_use_cspice()\fP 
+.PP
+\fBset_ephem_provider()\fP
+.RE
+.PP
+\fBAuthor\fP
+.RS 4
+Attila Kovacs 
+.RE
+.PP
+\fBSince\fP
+.RS 4
+1\&.2 
+.RE
+.PP
+
+.PP
+References \fBset_ephem_provider()\fP\&.
+.SS "int novas_use_cspice_planets ()"
+Sets CSPICE as the ephemeris provider for the major planets (and Sun, Moon, and SSB) using the NAIF CSPICE library\&.
+.PP
+CSPICE is configured to suppress error messages and to not exit on errors, since we will check errors and handle them ourselves\&. You can adjust the behavior after this call with the CSPICE errprt_c() and erract_c() functions, respectively\&.
+.PP
+\fBReturns\fP
+.RS 4
+0
+.RE
+.PP
+\fBSee also\fP
+.RS 4
+\fBnovas_use_cspice_ephem()\fP 
+.PP
+\fBnovas_use_cspice()\fP 
+.PP
+\fBset_planet_provider()\fP 
+.PP
+\fBset_planet_provider_hp()\fP
+.RE
+.PP
+\fBAuthor\fP
+.RS 4
+Attila Kovacs 
+.RE
+.PP
+\fBSince\fP
+.RS 4
+1\&.2 
+.RE
+.PP
+
+.PP
+References \fBset_planet_provider()\fP, and \fBset_planet_provider_hp()\fP\&.
+.SH "Author"
+.PP 
+Generated automatically by Doxygen for SuperNOVAS from the source code\&.
diff --git a/apidoc/supernovas.tag b/apidoc/supernovas.tag
index 68925484..9fedbf4b 100644
--- a/apidoc/supernovas.tag
+++ b/apidoc/supernovas.tag
@@ -3648,6 +3648,32 @@
       <arglist>(t_calcephbin *eph)</arglist>
     </member>
   </compound>
+  <compound kind="file">
+    <name>solsys-cspice.c</name>
+    <path>src/</path>
+    <filename>solsys-cspice_8c.html</filename>
+    <member kind="function">
+      <type>int</type>
+      <name>novas_use_cspice</name>
+      <anchorfile>solsys-cspice_8c.html</anchorfile>
+      <anchor>a9b44218bca5fce1e9e5103494c15dde4</anchor>
+      <arglist>()</arglist>
+    </member>
+    <member kind="function">
+      <type>int</type>
+      <name>novas_use_cspice_ephem</name>
+      <anchorfile>solsys-cspice_8c.html</anchorfile>
+      <anchor>afb078e1df9b5b08999d24e68d7b4ecdc</anchor>
+      <arglist>()</arglist>
+    </member>
+    <member kind="function">
+      <type>int</type>
+      <name>novas_use_cspice_planets</name>
+      <anchorfile>solsys-cspice_8c.html</anchorfile>
+      <anchor>a943549e395b19f6a91064e3d6fa1c577</anchor>
+      <arglist>()</arglist>
+    </member>
+  </compound>
   <compound kind="file">
     <name>solsys-ephem.c</name>
     <path>src/</path>
@@ -4767,6 +4793,7 @@
     <docanchor file="index.html">solarsystem</docanchor>
     <docanchor file="index.html">universal-ephemerides</docanchor>
     <docanchor file="index.html">calceph-integration</docanchor>
+    <docanchor file="index.html">cspice-integration</docanchor>
     <docanchor file="index.html">builtin-ephem-readers</docanchor>
     <docanchor file="index.html">explicit-ephem-linking</docanchor>
     <docanchor file="index.html">debug-support</docanchor>
diff --git a/doc/CHANGELOG.md b/doc/CHANGELOG.md
index 7fb8d0df..dff89881 100644
--- a/doc/CHANGELOG.md
+++ b/doc/CHANGELOG.md
@@ -32,6 +32,14 @@ Changes expected for the next feature release, expected around 1 February 2025.
    the CALCEPH development files (C headers and unversioned static or shared libraries depending on the needs of the 
    build).
    
+ - #86: NAIF CSPICE integration: `novas_use_cspice()`, `novas_use_cspice_planets()`, `novas_use_cspice_ephem()`
+   to use the NAIF CSPICE library for all Solar-system sources, major planets only, or for other bodies only. 
+   `NOVAS_EPHEM_OBJECTS` should use NAIF IDs with CSPICE (or else -1 for name-based lookup). These functions are 
+   provided by the `libsolsys-cspice.so[.1]` and/or `.a` plugin libraries, which are built contingent on the 
+   `CSPICE_SUPPORT` variable being set to 1 prior to the build. The build of the plugin module requires an accessible 
+   installation of the CSPICE development files (C headers and unversioned static or shared libraries depending on the 
+   needs of the build).
+   
  - #87: Added `novas_planet_for_name()` function to return the NOVAS planet ID for a given (case insensitive) name.
    
  - NOVAS-NAIF conversions for major planets (and Sun, Moon, SSB): `novas_to_naif_planet()` (planet centers), 
diff --git a/doc/README.md b/doc/README.md
index 2a09b2fa..367d2f0b 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -26,7 +26,7 @@ This document has been updated for the `v1.2` and later releases.
  - [Example usage](#examples)
  - [Notes on precision](#precision)
  - [SuperNOVAS specific features](#supernovas-features)
- - [External Solar-system ephemeris data or services](#solarsystem)
+ - [Incorporating Solar-system ephemeris data or services](#solarsystem)
  - [Runtime debug support](#debug-support)
  - [Release schedule](#release-schedule)
 
@@ -70,6 +70,8 @@ Outside contributions are very welcome. See
    from JPL and/or in INPOP 2.0/3.0 format.
  - [NAIF SPICE toolkit](https://naif.jpl.nasa.gov/naif/toolkit.html) for integrating Solar-system ephemeris
    via from JPL.
+ - [Smithsonian/cspice-sharedlib](https://github.com/Smithsonian/cspice-sharedlib) for building CSPICE as a shared
+   library for dynamic linking.
  - [IAU Minor Planet Center](https://www.minorplanetcenter.net/iau/mpc.html) provides another source
    of ephemeris data.
 
@@ -184,8 +186,15 @@ the necessary variables in the shell prior to invoking `make`. For example:
    setting `CALCEPH_SUPPORT = 1` in `config.mk` or in the shell prior to the build. When enabled it will build 
    `libsolsys-calceph.so[.1]` and/or `.a` supplemental libraries, depending on the build target. The build of the 
    modules requires an accessible installation of the CALCEPH development files (C headers and unversioned static or 
-   shared libraries depending on the needs of the build). You might want to set `LD_LIBRARY_PATH`, and/or `CPPFLAGS` 
-   to include an appropriate `-I<path>` option, to help locate these prior to calling `make`.
+   shared libraries depending on the needs of the build).
+   
+ - You can enable integration with the [NAIF CSPICE Toolkit](https://naif.jpl.nasa.gov/naif/toolkit.html), by setting 
+   `CSPICE_SUPPORT = 1` in `config.mk` or in the shell prior to the build. When enabled it will build 
+   `libsolsys-cspice.so[.1]` and/or `.a` supplemental libraries, depending on the build target. The build of the 
+   modules requires an accessible installation of the CSPICE development files (C headers, under a `cspice/` 
+   sub-folder in the header search path, and unversioned static or shared libraries depending on the needs of the 
+   build). You might want to check out the [Smithsonian/cspice-sharedlib](https://github.com/Smithsonian/cspice-sharedlib) 
+   repository for building CSPICE as a shared library.
 
  - If you want to use the CIO locator binary file for `cio_location()`, you can specify the path to the CIO locator
    file (e.g. `/usr/local/share/supernovas/CIO_RA.TXT`) on your system e.g. by setting the `CIO_LOCATOR_FILE` shell 
@@ -797,6 +806,10 @@ before that level of accuracy is reached.
    to specify whether `object.number` in `NOVAS_EPHEM_OBJECT` type objects is a NAIF ID (default) or else a CALCEPH ID 
    number of the Solar-system body.
    
+ - NAIF CSPICE integration: `novas_use_cspice()`, `novas_use_cspice_planets()`, `novas_use_cspice_ephem()` to use the 
+   NAIF CSPICE library for all Solar-system sources, major planets only, or for other bodies only. 
+   `NOVAS_EPHEM_OBJECTS` should use NAIF IDs with CSPICE (or else -1 for name-based lookup).
+   
  - NAIF/NOVAS ID conversions for major planets (and Sun, Moon, SSB): `novas_to_naif_planet()`, 
    `novas_to_dexxx_planet()`, and `naif_to_novas_planet()`.
    
@@ -804,6 +817,8 @@ before that level of accuracy is reached.
 
  - Added `novas_planet_for_name()` function to return the NOVAS planet ID for a given (case insensitive) name.
 
+ 
+
 
 <a name="api-changes"></a>
 ### Refinements to the NOVAS C API
@@ -883,21 +898,26 @@ before that level of accuracy is reached.
 -----------------------------------------------------------------------------
 
 <a name="solarsystem"></a>
-## External Solar-system ephemeris data or services
+## Incorporating Solar-system ephemeris data or services
 
 If you want to use SuperNOVAS to calculate positions for a range of Solar-system objects, and/or to do it with 
-sufficient precision, you will have to integrate it with a suitable provider of ephemeris data, such as 
+sufficient precision, you will have to interface it to a suitable provider of ephemeris data, such as 
 [JPL Horizons](https://ssd.jpl.nasa.gov/horizons/app.html#/) or the 
 [Minor Planet Center](https://www.minorplanetcenter.net/iau/mpc.html). Given the NOVAS C heritage, and some added 
-SuperNOVAS flexibility in this area, you have several options on doing that. These are listed from the most flexible 
-(and preferred) to the least flexible (old ways). 
+SuperNOVAS flexibility in this area, you have several options on doing that. These are listed from the most practical
+(and preferred) to the least so (the old ways). 
 
 NASA/JPL also provides [generic ephemerides](https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/) for the major 
-planets, satellites thereof, the 300 largest asteroids, the Lagrange points, and some Earth orbiting stations.
+planets, satellites thereof, the 300 largest asteroids, the Lagrange points, and some Earth orbiting stations. For 
+example, [DE440](https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/planets/de440.bsp) covers the major planets, 
+and the Sun, Moon, and the Solar-System Barycenter (SSB) for times between 1550 AD and 2650 AD. Or, you can use the 
+[JPL HORIZONS](https://ssd.jpl.nasa.gov/horizons/app.html#/) system to generate custom ephemeris data for pretty much
+all known solar systems bodies, down to the tiniest rocks. 
 
  - [Universal ephemeris data / service integration](#universal-ephemerides)
- - [Built-in support for CALCEPH integration](#calceph-integration)
- - [Built-in support for (old) JPL major planet ephemerides](#builtin-ephem-readers)
+ - [Optional support for CALCEPH integration](#calceph-integration)
+ - [Optional support for NAIF CSPICE toolkit integration](#cspice-integration)
+ - [Alternative support for (older) JPL major planet ephemerides](#builtin-ephem-readers)
  - [Explicit linking of custom ephemeris functions](#explicit-ephem-linking)
 
 
@@ -947,18 +967,19 @@ provided you compiled SuperNOVAS with `BUILTIN_SOLSYS_EPHEM = 1` (in `config.mk`
 
 
 <a name="calceph-integration"></a>
-### Built-in support for CALCEPH integration
+### Optional support for CALCEPH integration
 
 The [CALCEPH](https://www.imcce.fr/recherche/equipes/asd/calceph/) library provides an easy-to-use access to JPL and
-INPOP ephemeris files from C/C++. As of version 1.2, we provide built-in support for integrating the CALCEPH C library 
+INPOP ephemeris files from C/C++. As of version 1.2, we provide optional support for interfacing the CALCEPH C library 
 with SuperNOVAS for handling Solar-system objects.
 
-Prior to building SuperNOVAS simply set `CALCEPH_SUPPORT` to 1 in `config.mk` or in your shell. Depending on the 
+Prior to building SuperNOVAS simply set `CALCEPH_SUPPORT` to 1 in `config.mk` or in your environment. Depending on the 
 build target, it will build `libsolsys-calceph.so[.1]` (target `shared`) or `libsolsys-calceph.a` (target `static`) 
 libraries, which provide the `novas_use_calceph()` and `novas_use_calceph_planets()` functions.
 
-Of course, you will need access to the CALCEPH C development files (C headers and unversioned libraries) for the build
-to succeed. Here is an example on how you'd use CALCEPH with SuperNOVAS in your application code:
+Of course, you will need access to the CALCEPH C development files (C headers and unversioned `libcalceph.so` or `.a` 
+library) for the build to succeed. Here is an example on how you'd use CALCEPH with SuperNOVAS in your application 
+code:
 
 ```c
   #include <calceph.h>
@@ -982,20 +1003,53 @@ to succeed. Here is an example on how you'd use CALCEPH with SuperNOVAS in your
   }
 ```
 
-You can obtain readily available standard ephemeris files from 
-[NASA/JPL](https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/), such as 
-[DE440](https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/planets/de440.bsp), which covers the major planets, plus
-Sun, Moon, and Solar-System Barycenter (SSB) for times between 1550 AD and 2650 AD. Or, you can use the 
-[JPL HORIZONS](https://ssd.jpl.nasa.gov/horizons/app.html#/) system to generate cutom ephemeris data for pretty much
-all known solar systems bodies, down to the tiniest rocks. All of these should work with the `solsys-calceph` plugin.
+All modern JPL (SPK) ephemeris files should work with the `solsys-calceph` plugin. When linking your application, 
+don't forget to add `-lsolsys-calceph` to your link flags. That's all there is to it.
+
+
+<a name="cspice-integration"></a>
+### Optional support for NAIF CSPICE toolkit integration
+
+The [NAIF CSPICE Toolkit](https://naif.jpl.nasa.gov/naif/toolkit.html) is the canonical standard library for JPL 
+ephemeris files from C/C++. As of version 1.2, we provide optional support for interfacing CSPICE with SuperNOVAS for 
+handling Solar-system objects.
+
+Prior to building SuperNOVAS simply set `CSPICE_SUPPORT` to 1 in `config.mk` or in your environment. Depending on the 
+build target, it will build `libsolsys-cspice.so[.1]` (target `shared`) or `libsolsys-cspice.a` (target `static`) 
+libraries, which provide the `novas_use_cspice()`, `novas_use_cspice_planets()`, and `novas_use_cspice_ephem()` 
+functions to enable CSPICE for providing data for all Solar-system sources, or for major planets only, or for other
+bodies only, respectively.
 
-And, when linking your application, don't forget to add `-lsolsys-calceph` to your link flags. That's all there is to
-it.
+Of course, you will need access to the CSPICE development files (C headers, installed under a `cspice/` directory 
+of an header search location, and the unversioned `libcspice.so` or `.a` library) for the build to succeed. You may 
+want to check out the [Smithsonian/cspice-sharedlib](https://github.com/Smithsonian/cspice-sharedlib) GitHub 
+repository to help you build CSPICE with shared libraries and dynamically linked tools.
+
+Here is an example on how you might use CSPICE with SuperNOVAS in your application code:
+
+```c
+  // You can load the desired kernels for CSPICE, using the CSPICE API.
+  // E.g. load DE440s and the Mars satellites from /data/ephem:
+  furnsh_c("/data/ephem/de440s.bsp");
+  furnsh_c("/data/ephem/mar097.bsp");
+  ...
+  
+  // check for CSPICE errors
+  if(return_c()) {
+    // oops, one of the kernels must not have loaded...
+    ...
+  }
+  
+  // Then use CSPICE as your SuperNOVAS ephemeris provider
+  novas_use_cspice();
+```
 
+All JPL ephemeris data will work with the `solsys-cspice` plugin. When linking your application, don't forget to add 
+`-lsolsys-cspice` to your link flags. That's all there is to it.
 
 
 <a name="builtin-ephem-readers"></a>
-### Built-in support for (old) JPL major planet ephemerides
+### Alternative support for (older) JPL major planet ephemerides
 
 If you only need support for major planets, you may be able to use one of the modules included in the SuperNOVAS
 distribution. The modules `solsys1.c` and `solsys2.c` provide built-in support to older JPL ephemerides (DE200 to DE421),