22 #include <libnova/ln_types.h>
double ln_get_earth_solar_dist(double JD)
Calculate the distance between Earth and the Sun.
Definition: earth.c:2772
Heliocentric position.
Definition: ln_types.h:217
double LIBNOVA_EXPORT ln_deg_to_rad(double degrees)
degrees to radians
Definition: utility.c:90
double LIBNOVA_EXPORT ln_range_degrees(double angle)
puts a large angle in the correct range 0 - 360 degrees
Definition: utility.c:234
void ln_get_earth_rect_helio(double JD, struct ln_rect_posn *position)
Calculate the Earths rectangular heliocentric coordinates.
Definition: earth.c:2813
double R
Definition: ln_types.h:220
void LIBNOVA_EXPORT ln_vsop87_to_fk5(struct ln_helio_posn *position, double JD)
Transform from VSOP87 to FK5 reference system.
Definition: vsop87.c:49
void ln_get_earth_centre_dist(float height, double latitude, double *p_sin_o, double *p_cos_o)
Calculate Earth globe centre distance.
Definition: earth.c:2793
double B
Definition: ln_types.h:219
double LIBNOVA_EXPORT ln_rad_to_deg(double radians)
radians to degrees
Definition: utility.c:84
double L
Definition: ln_types.h:218
void ln_get_earth_helio_coords(double JD, struct ln_helio_posn *position)
Calculate Earth's heliocentric coordinates.
Definition: earth.c:2699
Rectangular coordinates.
Definition: ln_types.h:238