Astronomy and Astrophysics – Astronomy
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009dda....40.0606b&link_type=abstract
American Astronomical Society, DDA meeting #40, #6.06; Bulletin of the American Astronomical Society, Vol. 41, p.900
Astronomy and Astrophysics
Astronomy
Scientific paper
We report on the numerically integrated orbits for the thirteen inner Uranian satellites. Our dataset includes Voyager imaging data as well as HST and Earth-based astrometric data. The observations span time period from 1985 to 2003. Our model of the inner moons' orbits accounts for the equatorial bulge of Uranus, the perturbations from the external bodies and the perturbations from the large moons of Uranus (Miranda, Umbriel, Ariel, Oberon, and Titania). The inner satellites were initially considered massless, but we found that this assumption may need to be revised in order to fine-tune the system's dynamics and obtain the orbital solutions with adequate residuals.The results are given in terms of state vectors,post-fit residuals and mean orbital elements.
Brozovic Marina
Jacobson Abram R.
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