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Article Dans Une Revue Celestial Mechanics and Dynamical Astronomy Année : 2010

Effects of interplanetary dust on the LISA drag-free constellation

Résumé

The analysis of non-radiative sources of static or time-dependent gravitational fields in the Solar System is crucial to accurately estimate the free-fall orbits of the LISA space mission. In particular, we take into account the gravitational effects of Interplanetary Dust (ID) on the spacecraft trajectories. The perturbing gravitational field has been calculated for some ID density distributions that fit the observed zodiacal light. Then we integrated the Gauss planetary equations to get the deviations from the LISA Keplerian orbits around the Sun. This analysis can be eventually extended to Local Dark Matter (LDM), as gravitational fields are expected to be similar for ID and LDM distributions. Under some strong assumptions on the displacement noise at very low frequency, the Doppler data collected during the whole LISA mission could provide upper limits on ID and LDM densities.
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Dates et versions

hal-00552500 , version 1 (06-01-2011)

Identifiants

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Massimo Cerdonio, Fabrizio de Marchi, Roberto de Pietri, Philippe Jetzer, Francesco Marzari, et al.. Effects of interplanetary dust on the LISA drag-free constellation. Celestial Mechanics and Dynamical Astronomy, 2010, 107 (1-2), pp.255-264. ⟨10.1007/s10569-010-9256-8⟩. ⟨hal-00552500⟩

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