Collisional evolution of the early asteroid belt

Details Collisional evolution of the early asteroid belt Collisional evolution of the early asteroid belt

Apr 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999p%26ss...47..331g&link_type=abstract

Planetary and Space Science, Volume 47, Issue 3-4, p. 331-338.

Physics

4

Scientific paper

We present numerical results obtained by a simulation of the collisional process between asteroids and scattered comets from the Uranus-Neptune zone. This mechanism allows the use of single exponent incremental size distributions for the initial belt reaching a final distribution that matches the observed population very well. Since the cometary bombardment was extremely efficient removing mass from the primordial asteroid belt in a very short time, we always obtained belts with total masses less than 0.001 M⊕ after ~ 2×107 yrs. This result allows processes with an important initial mass preserving Vestas basaltic crust.

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