Other
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992icar..100..307w&link_type=abstract
Icarus (ISSN 0019-1035), vol. 100, no. 2, p. 307-325.
Other
93
Asteroid Belts, Astronomical Models, Orbital Elements, Planetary Evolution, Meteorite Collisions, Orbital Resonances (Celestial Mechanics), Solar System Evolution, Terrestrial Planets
Scientific paper
The growth and orbital evolution of a swarm of about 10-exp-26-g 'planetary embryos', which formed in the present asteroid belt prior to the completion of Jupiter's growth, is simulated using a Monte Carlo technique similar to the technique used by Wetherill (1991) to study the formation of terrestrial planets. It is shown that the asteroidal embryos are very effective in scattering one another into resonance regions. The resulting orbital evolution clears the asteroid belt of embryos in about half of the simulation. Embryos accumulate in the terrestrial planet region to form a stochastically determined variety of planetary configurations that are similar in total mass, specific energy, specific angular momentum, planetary size, and orbital elements to the solar system. The remaining material has a velocity distribution very much like that of the observed asteroids.
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