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Discovery of a low-eccentricity, high-inclination Kuiper belt object at 58 AU
R. L. Allen, B. Gladman, J. J. Kavelaars +3
We report the discovery of the first trans-neptunian object, designated 2004 XR190, with a nearly-cirular orbit beyond the 2:1 mean-motion resonance. Fitting an orbit to 23 astrome…
Expectations for the Deep Impact collision from cometary nuclei modelling
Olivier Mousis, Ulysse Marboeuf, Jean-Marc C. Petit +1
Using the cometary nucleus model developed by Espinasse et al. (1991), we calculate the thermodynamical evolution of Comet 9P/Tempel 1 over a period of 360 years. Starting from an…
KBO binaries: are they really primordial ?
Jean-Marc Petit, Olivier Mousis
Given the large orbital separation and high satellite-to-primary mass ratio of all known Kuiper Belt Object (KBO) binaries, it is important to reassess their stability as bound pai…
Evidence for an extended scattered disk
B. Gladman, M. Holman, T. Grav +4
By telescopic tracking, we have established that the orbit of the trans-neptunian object (2000 CR) has a perihelion of 44 AU, and is thus outside the domain control…