NASA JPL Development Ephemerides (DE430)

Version 2.0.0 (97.8 MB) by Meysam Mahooti
DE430 spans from 1549-12-21 to 2650-01-25 and is based on the International Celestial Reference Frame (version 2.0).
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Updated 23 Nov 2024

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The JPL planetary ephemerides are saved as files of Chebyshev polynomials fit to the Cartesian positions and velocities of the planets, the Sun, and the Moon, typically in 32-day intervals. The positions are integrated in astronomical units (au), but with polynomials stored in units of kilometers.
References:
Folkner, W. M., et al. (2014). The planetary and lunar ephemerides DE430 and DE431.
http://ssd.jpl.nasa.gov/?planet_eph_export

Cite As

Meysam Mahooti (2025). NASA JPL Development Ephemerides (DE430) (https://www.mathworks.com/matlabcentral/fileexchange/60504-nasa-jpl-development-ephemerides-de430), MATLAB Central File Exchange. Retrieved .

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Created with R2024a
Compatible with any release
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JPL_DE430

Version Published Release Notes
2.0.0

It was revised on November 23, 2024.
1.1.1.0

The DE430 full matrix is added.
1.1.0.0

test_JPL430eph.m is modified.
1.0.0.1

Title is changed.
1.0.0.0

for i=1:2285
if (PC(i,1)<=JD && JD<=PC(i,2))
PCtemp = PC(i,:);
end
end
is replaced by i = find(PC(:,1)<=JD & JD<=PC(:,2),1,'first'); in JPL_Eph_DE430.m and description sub-folder is added.