Path: SC/Ephem
% Computes the earth precession matrix -------------------------------------------------------------------------- Form: p = EarthPre( T ) -------------------------------------------------------------------------- ------ Inputs ------ T (1,1) Julian centuries of 86400s dynamical time from j2000.0 ------- Outputs ------- p (3,3) Precession matrix -------------------------------------------------------------------------- References: Seidelmann, The Explanatory Supplement to the Astronomical Almanac, University Science Books, 1992, p. 103. --------------------------------------------------------------------------
Common: Time/DTSToDTA Common: Time/Date2JD Common: Time/JD2T
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