ssapy_toolkit.Coordinates

Coordinate transformation utilities (GCRF, ITRF, LLH, and more).

Modules

`cartesian_to_cylindrical`
`cartesian_to_spherical`
`earth_trojan_sim`
`equitorial_and_ecliptic`
`gcrf_to_itrf`(r_gcrf, t[, v])	Convert GCRF coordinates to ITRF coordinates.
`gcrf_to_llh`(r_gcrf, t)	Invert GCRF position to geodetic lon (deg), lat (deg), height (m).
`gcrf_to_lonlat`(r_gcrf, t)	Convert GCRF coordinates to ITRF coordinates.
`gcrf_to_lunar`(r, t[, v])	Convert position and velocity vectors from GCRF to Lunar coordinates.
`gcrf_to_ntw`(delta_v_gcrf, r_center, v_center)	Transform a vector from GCRF to NTW coordinates.
`itrf_to_gcrf`(r_itrf, time)	Convert positions from ITRF to GCRF, undoing the transformation of groundTrack.
`j2000_to_gcrf`(pos_j2000, obstime)	Convert n x 3 array of J2000 (ECI) positions to GCRF coordinates.
`llh_to_gcrf`(lon, lat, t[, height])	Convert geodetic (lon, lat, height) at a given time to GCRF (GCRS) position & velocity.
`local_and_equitorial`
`lon_lat_bbox`
`lonlat_perigee`(lon, lat, t[, alt, e, i, ...])	Create an Orbit whose perigee is exactly over the fixed geodetic longitude/latitude (lon, lat) at epoch t.
`lunar_position`
`ntw_to_gcrf`(delta_v_ntw, r_center, v_center)
`on_sky_distance`
`sky_angles`
`surface_rv`(lon, lat[, elevation, t])	Get GCRF position and velocity of a surface observer at a specific location and time.
`unit_conversions`
`v_from_r`(r, t)	Calculate velocity from position using numerical differentiation.