22 #include <libnova/ln_types.h>
void LIBNOVA_EXPORT ln_get_solar_geom_coords(double JD, struct ln_helio_posn *position)
Calculate solar geometric coordinates.
Definition: solar.c:39
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_neptune_solar_dist(double JD)
Calculate the distance between Neptune and the Sun.
Definition: neptune.c:2288
double ln_get_neptune_sdiam(double JD)
Calculate the semidiameter of Neptune in arc seconds.
Definition: neptune.c:2385
double ln_get_earth_solar_dist(double JD)
Calculate the distance between Earth and the Sun.
Definition: earth.c:2772
double ln_get_neptune_disk(double JD)
Calculate the illuminated fraction of Neptune's disk.
Definition: neptune.c:2324
Heliocentric position.
Definition: ln_types.h:217
double ln_get_neptune_earth_dist(double JD)
Calculate the distance between Neptune and the Earth.
Definition: neptune.c:2255
void ln_get_neptune_helio_coords(double JD, struct ln_helio_posn *position)
Calculate Neptune's heliocentric coordinates.
Definition: neptune.c:2184
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_neptune_phase(double JD)
Calculate the phase angle of Neptune.
Definition: neptune.c:2345
void ln_get_neptune_rect_helio(double JD, struct ln_rect_posn *position)
Calculate Neptunes rectangular heliocentric coordinates.
Definition: neptune.c:2401
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
void ln_get_neptune_equ_coords(double JD, struct ln_equ_posn *position)
Calculate Neptune's equatorial coordinates.
Definition: neptune.c:2137
double LIBNOVA_EXPORT ln_rad_to_deg(double radians)
radians to degrees
Definition: utility.c:84
double L
Definition: ln_types.h:218
double ln_get_neptune_magnitude(double JD)
Calculate the visible magnitude of Neptune.
Definition: neptune.c:2304
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 ln_get_neptune_rst(double JD, struct ln_lnlat_posn *observer, struct ln_rst_time *rst)
Calculate the time of rise, set and transit for Neptune.
Definition: neptune.c:2373
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