Function astro::planet::heliocent_coords [−] [src]

pub fn heliocent_coords(planet: &Planet, JD: f64) -> (f64, f64, f64)

Computes a planet's heliocentric coordinates, referred to the mean equinox of the date

Returns

(long, lat, rad_vec)

  • long : Heliocentric longitude | in radians
  • lat : Heliocentric latitude | in radians
  • rad_vec: Heliocentric radius vector | in AU

Arguments

  • planet: Any variant of Planet
  • JD : Julian (Ephemeris) day