High area-to-mass ratios geostationary space debris : stability and secondary resonances (MEGNO and frequency analysis)

Nicolas Delsate, Stéphane Valk, Timoteo Carletti, Anne Lemaître

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    Résumé

    Recently a new unexpected population of 10 cm size space debris near the geostationary orbit (GEO) has been discovered. These objects with high area-to mass ratios sometimes present highly eccentric orbits (Schildknecht et al., 2004, 2005). Recent numerical and analytical investigations (Anselmo & Pardini, 2005; Liou & Weaver, 2005) prove that this newly discovered population consists of near geosynchronous objects with high area-to-mass ratios. The large area-to-mass ratios space debris have a dynamical behavior dominated by the solar radiation pressure and the resonance with C_22 spherical harmonic. In this paper we develop further the analysis done by Valk et al. (2008) by using a frequency analysis to study both the stability and the resonances of such particular orbits.
    langue originaleAnglais
    Etat de la publicationPublié - 2008
    EvénementSF2A Annual meeting of the French Society of Astronomy and Astrophysics - Paris, France
    Durée: 30 juin 20084 juil. 2008

    Une conférence

    Une conférenceSF2A Annual meeting of the French Society of Astronomy and Astrophysics
    PaysFrance
    La villeParis
    période30/06/084/07/08

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