NASA JPL Development Ephemerides (DE430)

DE430 covers 1549-12-21 to 2650-01-25. Referred to the International Celestial Reference Frame (version 2.0).


Updated Thu, 13 Jan 2022 11:20:25 +0000

View License

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.
Folkner et al., JPL Interplanetary Network Progress Report 42-196, 2014.

Cite As

Meysam Mahooti (2023). NASA JPL Development Ephemerides (DE430) (, MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2020a
Compatible with any release
Platform Compatibility
Windows macOS Linux

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!
Version Published Release Notes

The DE430 full matrix is added.

test_JPL430eph.m is modified.

Title is changed.

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