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

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 o...

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Bibliographic Details
Published in:Monthly notices of the Royal Astronomical Society 2014-02, Vol.438 (2), p.1663-1668
Main Authors: Zhang, H. Y., Shen, K. X., Dourneau, G., Harper, D., Qiao, R. C., Xi, X. J., Cheng, X., Yan, D., Li, S. N., Wang, S. H.
Format: Article
Language:English
Subjects:
Astrophysics
Extrasolar planets
Instrumentation and Methods for Astrophysic
Neptune
Sciences of the Universe
Star & galaxy formation
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Summary: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.
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/stt2304