solar system motions and the cosmological constant: a new approach
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2008
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Abstract
We use the corrections to the Newton-Einstein secular
precessions of the longitudes of perihelia ̇𝜛 of some planets (Mercury, Earth, Mars,
Jupiter, Saturn) of the Solar System, phenomenologically estimated
as solve-for parameters by the Russian astronomer E. V. Pitjeva in a
global fit of almost one century of data with the EPM2004 ephemerides,
in order to put on the test the expression for the perihelion precession
induced by a uniform cosmological constant Λ in the framework of the
Schwarzschild-de Sitter (or Kottler) space-time. We compare such an
extra rate to the estimated corrections to the planetary perihelion precessions
by taking their ratio for different pairs of planets instead of using
one perihelion at a time for each planet separately, as done so far in
literature. The answer is negative, even by further rescaling by
a factor 10 (and even 100 for Saturn) the errors in the estimated extra
precessions of the perihelia released by Pitjeva. Our conclusions hold
also for any other metric perturbation having the same dependence on
the spatial coordinates, as those induced by other general relativistic
cosmological scenarios and by many modified models of gravity. Currently
ongoing and planned interplanetary spacecraft-based missions
should improve our knowledge of the planets' orbits allowing for more
stringent constraints.
| Reference Key |
iorio2008advancessolar
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|---|---|
| Authors | ;Lorenzo Iorio |
| Journal | chemistry - a european journal |
| Year | 2008 |
| DOI |
10.1155/2008/268647
|
| URL | |
| Keywords |
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