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Gravity tests with INPOP planetary ephemerides

Published online by Cambridge University Press:  06 January 2010

A. Fienga ,
J. Laskar ,
P. Kuchynka ,
C. Leponcin-Lafitte ,
H. Manche  and
M. Gastineau
A. Fienga
Affiliation:
Astronomie et Systèmes Dynamiques, IMCCE-CNRS UMR8028, 77 Av. Denfert-Rochereau, 75014 Paris, France Observatoire de Besançon- CNRS UMR6213, 41bis Av. de l'Observatoire, 25000 Besançon
J. Laskar
Affiliation:
Astronomie et Systèmes Dynamiques, IMCCE-CNRS UMR8028, 77 Av. Denfert-Rochereau, 75014 Paris, France
P. Kuchynka
Affiliation:
Astronomie et Systèmes Dynamiques, IMCCE-CNRS UMR8028, 77 Av. Denfert-Rochereau, 75014 Paris, France
C. Leponcin-Lafitte
Affiliation:
SYRTE-CNRS UMR8630, Observatoire de Paris, 77 Av. Denfert-Rochereau, France
H. Manche
Affiliation:
Astronomie et Systèmes Dynamiques, IMCCE-CNRS UMR8028, 77 Av. Denfert-Rochereau, 75014 Paris, France
M. Gastineau
Affiliation:
Astronomie et Systèmes Dynamiques, IMCCE-CNRS UMR8028, 77 Av. Denfert-Rochereau, 75014 Paris, France
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Abstract

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We present here several gravity tests made with the latest INPOP08 planetary ephemerides. We first propose two methods to estimate the PPN parameter β and its correlated value, the Sun J2, and we discuss the correlation between the Sun J2 and the mass of the asteroid ring. We estimate a possible advance in the planet perihelia. We also show that no constant acceleration larger than 1/4 of the Pioneer anomaly is compatible with the observed motion of the planets in our Solar System.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S261: Relativity in Fundamental Astronomy: Dynamics, Reference Frames, and Data Analysis , April 2009 , pp. 159 - 169
Copyright
Copyright © International Astronomical Union 2010

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