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15 Aug The planetary and lunar ephemeris DE represents updated estimates of the orbits of the Moon and planets. The lunar orbit is known to. 31 Mar The planetary and lunar ephemeris DE represents the 'current best estimates ' of the orbits of the Moon and planets. The lunar orbit is. 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.
The name Jet Propulsion Laboratory Development Ephemeris (followed by a number), the . When initially released in , the DE ephemeris covered the years to An additional data release in extended the coverage to History - Construction - Distribution - Recent ephemerides in. 6 Jan JPL Planetary and Lunar Ephemeris DE for the jplephem package. positions produced by DE, INPOP08, and EPM, the most recent ephemerides released for gen- eral use from these three groups. Ultimately, the true.
7 Jan As of this writing the latest data set is DE Planetary positions are generated by a computer integration fit to the best available observations. JPL Planetary and Lunar Ephemeris DE for the jplephem package. Conda · Files · Labels · Badges. License: MIT License; total downloads; Last upload: . Title: The Planetary and Lunar Ephemeris DE Authors: Folkner, W. M.; Williams, J. G.; Boggs, D. H.. Affiliation: AA(Jet Propulsion Laboratory, California.