Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005a%26a...437.1109s&link_type=abstract
Astronomy and Astrophysics, Volume 437, Issue 3, July III 2005, pp.1109-1113
Astronomy and Astrophysics
Astrophysics
6
Gravitation, Ephemerides, Methods: Numerical, Reference Systems, Astrometry, Time
Scientific paper
In order to improve the orbit of Phoebe, the ninth satellite of the Saturnian system, 101 new observations were made by our research team in 2003, using a CCD detector of large size (2048×2048 pixels) mounted on the 1.56 m astrometric reflector at the Sheshan Station of Shanghai Astronomical Observatory. We fitted a numerical integration of its orbit to all of the collected Earth-based astrometric observations from 1904 to 2003, including the newest precise data sets from Qiao & Tang and from Peng et al. A new set of initial conditions of Phoebe has been obtained, leading to an improved orbit of this satellite.
Dourneau G.
Harper Devin
Liu Ji-Ren
Qiao Rong-Chuan
Shen Kai-Xian
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