Constraints on impact rates in the Pluto-Charon system and the population of the Kuiper comet belt

Details Constraints on impact rates in the Pluto-Charon system and the population of the Kuiper comet belt Constraints on impact rates in the Pluto-Charon system and the population of the Kuiper comet belt

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989georl..16.1241w&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 16, Nov. 1989, p. 1241-1244.

Physics

14

Charon, Comets, Eccentric Orbits, Planetary Orbits, Pluto (Planet), Constraints, Oort Cloud, Solar Corona

Scientific paper

Impact rates in the Pluto-Charon system are dominated by comets from the proposed Kuiper Belt, 30 to 50 AU from the sun. Such collisions excite the eccentricity of Charon's orbit, which then decays due to tidal dissipation. Charon's eccentricity approaches a quasi-steady state, which can be used to constrain the total number and mass of comets in the Kuiper Belt. Unfortunately, the current upper limit on Charon's orbital eccentricity must be reduced by more than a factor of ten before useful constraints can be set.

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