The JPL planetary ephemerides are saved as files of Chebyshev polynomials fit to the Cartesian positions and velocities of the planets, Sun, and Moon, typically in 32-day intervals. The positions are integrated in astronomical units (au), but with polynomials stored in units of kilometers.
Standish, E.M.: 1998, "JPL Planetary and Lunar Ephemerides, DE405/LE405",JPL IOM 312.F-98-048.
Meysam Mahooti (2021). NASA JPL Development Ephemerides (DE405) (https://www.mathworks.com/matlabcentral/fileexchange/54842-nasa-jpl-development-ephemerides-de405), MATLAB Central File Exchange. Retrieved .
I am currently trying to run JPL_Eph_DE405.m and it keeps giving me the error that index exceeds matrix dimensions, the global variable PC is a 0x0 double... any suggestions?
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