Function astro::lunar::optical_libr [−] [src]

pub fn optical_libr(JD: f64, mn_ecl_long_moon: f64, apprnt_ecl_lat_moon: f64) -> (f64, f64)

Computes the optical librations of the Moon in longitude and latitude

Returns

(optical_libr_in_long, optical_libr_in_lat)

optical_libr_in_long: The optical libration in longitude | in radians
optical_libr_in_lat : The optical libration in latitude | in radians

Arguments

JD : Julian (Ephemeris) day
mn_ecl_long_moon : The mean ecliptic longitude of the Moon | in radians, i.e, without the correction for nutation
apprnt_ecl_lat_moon: The apparent ecliptic latitude of the Moon | in radians, i.e, with the correction for nutation

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