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epb.f
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epb.f
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DOUBLE PRECISION FUNCTION sla_EPB (DATE)
*+
* - - - -
* E P B
* - - - -
*
* Conversion of Modified Julian Date to Besselian Epoch
* (double precision)
*
* Given:
* DATE dp Modified Julian Date (JD - 2400000.5)
*
* The result is the Besselian Epoch.
*
* Reference:
* Lieske,J.H., 1979. Astron.Astrophys.,73,282.
*
* P.T.Wallace Starlink February 1984
*
* Copyright (C) 1995 Rutherford Appleton Laboratory
*
* License:
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see SLA_CONDITIONS); if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
*-
IMPLICIT NONE
DOUBLE PRECISION DATE
sla_EPB = 1900D0 + (DATE-15019.81352D0)/365.242198781D0
END