- Astronomical and nutation routines
- Computes the basic astronomical mean longitudes and other fundamental orbital parameters
- Computes the solar and lunar positions in Earth-Centered Earth-Fixed (ECEF) coordinates
import pyTMD.astro
S,H,P,N,PP = pyTMD.astro.mean_longitudes(MJD, ASTRO5=True)pyTMD.astro.polynomial_sum
pyTMD.astro.rotate
pyTMD.astro.mean_longitudes
pyTMD.astro.doodson_arguments
pyTMD.astro.delaunay_arguments
pyTMD.astro.mean_obliquity
pyTMD.astro.solar_ecef
pyTMD.astro.solar_approximate
pyTMD.astro.solar_ephemerides
pyTMD.astro.lunar_ecef
pyTMD.astro.lunar_approximate
pyTMD.astro.lunar_ephemerides
pyTMD.astro.gast
pyTMD.astro.itrs
pyTMD.astro._eqeq_complement
pyTMD.astro._frame_bias_matrix
pyTMD.astro._nutation_angles
pyTMD.astro._nutation_matrix
pyTMD.astro._polar_motion_matrix
pyTMD.astro._precession_matrix
pyTMD.astro._parse_table_5_2e
pyTMD.astro._parse_table_5_3a
pyTMD.astro._parse_table_5_3b