Dynamical influence of a proto-Jupiter on a disc of colliding planetesimals

Details Dynamical influence of a proto-Jupiter on a disc of colliding planetesimals Dynamical influence of a proto-Jupiter on a disc of colliding planetesimals

Jan 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999p%26ss...47..233t&link_type=abstract

Planetary and Space Science, Volume 47, Issue 1-2, p. 233-243.

Physics

20

Scientific paper

A three dimensional simulation of a perturbed disc of test particles having mutual dissipative collisions has been performed in order to study the dynamical effect of an early proto-Jupiter on a disc of planetesimals in the inner solar system. A collisional diffusion mechanism has been identified: successive collisions propagate and redistribute the strong perturbations created at resonant regions far away from the resonances. The system tends towards a quasi-equilibrium state which is reached in a time scale of the order of 5×105 years. For a massive proto-Jupiter of 10-3 M∘. the final perturbed region extends from 1.8 to 5 AU. In this area relative velocities are high enough to inhibit the accretion of km-sized bodies.

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