Computer Science
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf...54m&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.54
Computer Science
Scientific paper
We show that the existence of equatorial satellites is not inconsistent with the collisional tilting scenario for Uranus. In fact, if the planet was surrounded by a proto-satellite disk at the time of the tilting and a massive ring of material was temporarily placed inside the Roche radius of the planet by the collision, the proto-satellite disk would have started to precess incoherently around the equator of the planet. Collisional damping would then collapse it into a thin equatorial disk from which the satellites eventually formed. The fact that the satellites are prograde requires that Uranus already had a non-negligible obliquity (comparable to that of Neptune) when it was finally tilted to 98 degrees.
Batygin Konstantin
Crida Aurelien
Gomes Rodney
Morbidelli Alessandro
Tsiganis Kleomenis
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