The times of evolution of planetesimal disks

Details The times of evolution of planetesimal disks The times of evolution of planetesimal disks

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988azh....65.1075i&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 65, Sept.-Oct. 1988, p. 1075-1085. In Russian.

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Computation

1

Accretion Disks, Computational Astrophysics, Planetary Evolution, Protoplanets, Collision Parameters, Computerized Simulation

Scientific paper

The main principles of constructing an algorithm for computer simulation of evolution of disks containing a large number (⪆ 104) of planetesimals, which allows investigating main stages of solid body accumulation of planets or their embryos, are described. The planet accumulation times are evaluated. By analogy with Safronov, Vityazev and Pechernikova, the accumulation time of the main part of the Earth mass is of the order of about 108years, and for Neptune about 109years. Some planetesimals moving in eccentrical and inclined orbits in the Neptune zone can exist at the present time.

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