Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sf2a.conf..417m&link_type=abstract
SF2A-2006: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics Eds.: D. Barret, F. Casoli, G.
Astronomy and Astrophysics
Astrophysics
Scientific paper
Kuiper Belt objects are among the most primordial objects of the outer solar system. While their present-day composition is expected to be similar to that of primordial planetesimals produced in the outer solar nebula, it could have been substantially modified by the heating induced by high collision rates in the early Edgeworth-Kuiper Belt. To examine the effects of impact on the crystallisation of planetesimals, we use a cometary nucleus model derived from Espinasse et al. (1991), accounting for collisional energy input, "a-la" Orosei et al. (2001). The results show following the mass fraction dust/ice ratio that effects of impact are more or less efficient.
Marboeuf Ulysse
Mousis Oliver
Petit Jean-Marc
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