VSOP87 Theory

Functions
void LIBNOVA_EXPORT	ln_vsop87_to_fk5 (struct ln_helio_posn *position, double JD)
	Transform from VSOP87 to FK5 reference system. More...

Detailed Description

Thanks to Messrs. Bretagnon and Francou for publishing planetary solution VSOP87.

Function Documentation

void ln_vsop87_to_fk5	(	struct ln_helio_posn *	position,
		double	JD
	)

Transform from VSOP87 to FK5 reference system.

Parameters

position	Position to transform.
JD	Julian day

Transform from VSOP87 to FK5 reference frame.

References ln_helio_posn::B, ln_helio_posn::L, and ln_deg_to_rad().

Referenced by ln_get_earth_helio_coords(), ln_get_jupiter_helio_coords(), ln_get_mars_helio_coords(), ln_get_mercury_helio_coords(), ln_get_neptune_helio_coords(), ln_get_saturn_helio_coords(), ln_get_uranus_helio_coords(), and ln_get_venus_helio_coords().