astroforge.coordinates.MEMEDToITRS#
- astroforge.coordinates.MEMEDToITRS(time, X)[source]#
Convert a cartesian vector from the Mean Equator Mean Equinox of Date (MEMED) coordinate system to the Internation Terrestrial Reference System (ITRS). See Kaplan (2005) for more information.
- Parameters:
time (float) – Reference epoch for the MEMED coordinate system, specified as a Modified Julian Date (MJD) in the UT1 time system.
X (NDArray[np.float64]) – Shape (3,) vector to be rotated
- Returns:
Rotated vector
- Return type:
NDArray[np.float64]