International audience
The Solar System metric recommended by the International Astronomical Union (IAU) resolution B1.3, during its 24th general assembly, allows light propagation calculations until order c-3 only. However, an increasing number of forthcoming spatial experiments will require a modelization of the gravitational field including all the c-4 terms in...
Analytical treatment of time transfer problem for Earth-Satellite system is presented. The development was made in a complete relativistic framework. In accordance with modern clock precision and for low altitude orbits, we neglect the other bodies and consider only the {1}/{c^2} Earth potential developed up to the J2 term in spherical harmonics.
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In a recent paper (Minazzoli and Chauvineau 2009 Phys. Rev. D 79 084027), motivated by forthcoming space experiments involving propagation of light in the solar system, we have proposed an extension of the IAU metric equations at the c(-4) level in general relativity. However, scalar-tensor theories may induce corrections numerically comparable...
International audience
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International audience