22 #include <libnova/ln_types.h>
111 void LIBNOVA_EXPORT ln_get_saturn_rect_helio (
double JD,
struct ln_rect_posn * position);
void LIBNOVA_EXPORT ln_get_solar_geom_coords(double JD, struct ln_helio_posn *position)
Calculate solar geometric coordinates.
Definition: solar.c:39
int ln_get_saturn_rst(double JD, struct ln_lnlat_posn *observer, struct ln_rst_time *rst)
Calculate the time of rise, set and transit for Saturn.
Definition: saturn.c:6741
double ln_get_saturn_disk(double JD)
Calculate the illuminated fraction of Saturn's disk.
Definition: saturn.c:6693
double Z
Definition: ln_types.h:241
Rise, Set and Transit times.
Definition: ln_types.h:318
double X
Definition: ln_types.h:239
double ra
Definition: ln_types.h:172
double ln_get_saturn_equ_sdiam(double JD)
Calculate the equatorial semidiameter of Saturn in arc seconds.
Definition: saturn.c:6753
double ln_get_earth_solar_dist(double JD)
Calculate the distance between Earth and the Sun.
Definition: earth.c:2772
double ln_get_saturn_magnitude(double JD)
Calculate the visible magnitude of Saturn.
Definition: saturn.c:6673
double ln_get_saturn_phase(double JD)
Calculate the phase angle of Saturn.
Definition: saturn.c:6714
double ln_get_saturn_pol_sdiam(double JD)
Calculate the polar semidiameter of Saturn in arc seconds.
Definition: saturn.c:6770
Heliocentric position.
Definition: ln_types.h:217
void ln_get_saturn_helio_coords(double JD, struct ln_helio_posn *position)
Calculate Saturn's heliocentric coordinates.
Definition: saturn.c:6548
void ln_get_saturn_equ_coords(double JD, struct ln_equ_posn *position)
Calculate Saturn's equatorial coordinates.
Definition: saturn.c:6502
double LIBNOVA_EXPORT ln_range_degrees(double angle)
puts a large angle in the correct range 0 - 360 degrees
Definition: utility.c:234
double R
Definition: ln_types.h:220
double ln_get_saturn_solar_dist(double JD)
Calculate the distance between Saturn and the Sun.
Definition: saturn.c:6655
double Y
Definition: ln_types.h:240
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
double B
Definition: ln_types.h:219
double LIBNOVA_EXPORT ln_rad_to_deg(double radians)
radians to degrees
Definition: utility.c:84
double ln_get_saturn_earth_dist(double JD)
Calculate the distance between Saturn and the Earth.
Definition: saturn.c:6622
double L
Definition: ln_types.h:218
Ecliptical (or celestial) Longitude and Latitude.
Definition: ln_types.h:201
Equatorial Coordinates.
Definition: ln_types.h:171
double dec
Definition: ln_types.h:173
void ln_get_earth_helio_coords(double JD, struct ln_helio_posn *position)
Calculate Earth's heliocentric coordinates.
Definition: earth.c:2699
int LIBNOVA_EXPORT ln_get_body_rst_horizon(double JD, struct ln_lnlat_posn *observer, void(*get_equ_body_coords)(double, struct ln_equ_posn *), double horizon, struct ln_rst_time *rst)
Calculate the time of rise, set and transit for an object a body, usually Sun, a planet or Moon.
Definition: rise_set.c:275
Rectangular coordinates.
Definition: ln_types.h:238