Path: SC/Ephem
% The matrix that rotates from the Earth mean axes to the true axes.
See also NutDelta, ObOfE.
Default is today's date.
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Form:
[n, eps0, epsT, deltaPsi, deltaEps] = EarthNut( T )
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Inputs
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T (1,1) Julian centuries of 86400s dynamical time from j2000.0
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Outputs
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n (3,3) Nutation matrix (transforms from mean to true)
eps0 (1,1) Mean obliquity (deg)
epsT (1,1) True obliquity (deg)
deltaPsi (1,1) Delta in longitude (deg)
deltaEps (1,1) Delta in obliquity (deg)
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References: Seidelmann, P., ed. The Explanatory Supplement to the
Astronomical Almanac, University Science Books, 1992, p. 115.
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SC: Ephem/NutDelta SC: Ephem/ObOfE Common: Time/DTSToDTA Common: Time/Date2JD Common: Time/JD2T Math: Trigonometry/CosD Math: Trigonometry/SinD
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