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falp03

sofars::fundargs

Function falp03 

Source 
pub fn falp03(t: f64) -> f64
Expand description

Fundamental argument, IERS Conventions (2003): mean anomaly of the Sun.

Status: canonical model.

Given: t f64 TDB, Julian centuries since J2000.0 (Note 1)

Returned (function value): f64 l’, radians (Note 2)

Notes:

  1. Though t is strictly TDB, it is usually more convenient to use TT, which makes no significant difference.

  2. The expression used is as adopted in IERS Conventions (2003) and is from Simon et al. (1994).

References:

McCarthy, D. D., Petit, G. (eds.), IERS Conventions (2003), IERS Technical Note No. 32, BKG (2004)

Simon, J.-L., Bretagnon, P., Chapront, J., Chapront-Touze, M., Francou, G., Laskar, J. 1994, Astron.Astrophys. 282, 663-683