IMCCE Planetary Ephemerides: Present and Future

Details IMCCE Planetary Ephemerides: Present and Future IMCCE Planetary Ephemerides: Present and Future

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.576..293f&link_type=abstract

"Proceedings of the Gaia Symposium "The Three-Dimensional Universe with Gaia" (ESA SP-576). Held at the Observatoire de Paris-Me

Astronomy and Astrophysics

Astronomy

Celestial Mechanics, Ephemerides

Scientific paper

We present here the new planetary ephemerides developped at the IMCCE. Two types of ephemerides are under development. 1) The analytical solution VSOP2004: Based on the previous VSOP solutions, this VSOP2004 ephemerides has its accuracy drastically improved compared to VSOP2002. An accuracy of about few meters for the inner planets is obtained. 2) The numerical integration INPOP: Developed to improve the short term ephemerides and for the prolongation of the long term astronomical solutions for the paleoclimate studies, INPOP is the first numerical ephemerides developed at the IMCCE. We present here the first-step solution fitted to spacecraft and optical observations and the lunar solution fitted to DE405.

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