An orbital determination of Triton with the use of a revised pole model

H. Y. Zhang 1 K. X. Shen 2 G. Dourneau 3 D. Harper R. C. Qiao 2, 4 X. J. Xi 2 X. Cheng 5 D. Yan S. N. Li S. H. Wang 2, 6
3 M2A 2014
L3AB - Laboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux, OASU - Observatoire aquitain des sciences de l'univers, LAB - Laboratoire d'Astrophysique de Bordeaux [Pessac], Université Sciences et Technologies - Bordeaux 1
Abstract : In this paper, we used the 3108 Earth-based astrometric observations from the Natural Satellite Data Center over more than 30 yr time span from 1975 to 2006 for determining the epoch state vectors of the Neptunian largest satellite Triton. These observations almost contain all modern photo and CCD observations available. In integrating perturbation equation, the barycentric frame of Neptune-Triton system is adopted, and in considering the oblateness perturbation due to Neptune, a revised pole model describing the precession of the Neptune's pole is used in our calculation.
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Submitted on : Monday, February 10, 2014 - 2:49:30 PM
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H. Y. Zhang, K. X. Shen, G. Dourneau, D. Harper, R. C. Qiao, et al.. An orbital determination of Triton with the use of a revised pole model. Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P - Oxford Open Option A, 2014, 438, pp.1663-1668. ⟨10.1093/MNRAS/STT2304⟩. ⟨hal-00944312⟩



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