NASA JPL Development Ephemerides (DE430)

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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更新时间 2024/11/23

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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.

引用格式

Meysam Mahooti (2026). NASA JPL Development Ephemerides (DE430) (https://ww2.mathworks.cn/matlabcentral/fileexchange/60504-nasa-jpl-development-ephemerides-de430), MATLAB Central File Exchange. 检索时间: 2026/1/13.

版本 已发布 发行说明 2.0.0 2024/11/23

It was revised on November 23, 2024.

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1.1.1.0 2022/1/13

The DE430 full matrix is added.

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1.1.0.0 2020/11/25

test_JPL430eph.m is modified.

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1.0.0.1 2020/11/24

Title is changed.

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1.0.0.0 2018/1/11

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.

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网址：NASA JPL Development Ephemerides (DE430) https://m.mxgxt.com/news/view/1946591

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