|
SUPPORT SITE |
|
|
|
SUPPORT SITE |
|
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/Date2JD Common: Time/JD2T
Back to the SC Module page