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An orbital determination of Triton with the use of a revised pole model
Author(s) -
H. Y. Zhang,
K. X. Shen,
G. Dourneau,
D. Harper,
R. Qiao,
X. J. Xi,
Xuan Cheng,
Yan Duan,
S. N. Li,
S. H. Wang
Publication year - 2013
Publication title -
monthly notices of the royal astronomical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.058
H-Index - 383
eISSN - 1365-8711
pISSN - 0035-8711
DOI - 10.1093/mnras/stt2304
Subject(s) - physics , neptune , epoch (astronomy) , astronomy , perturbation (astronomy) , reference frame , planet , orbital elements , celestial mechanics , astrophysics , frame (networking) , stars , telecommunications , computer science
International audienceIn 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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