Giant impacts on a primitive Uranus

Details Giant impacts on a primitive Uranus Giant impacts on a primitive Uranus

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992icar...99..167s&link_type=abstract

Icarus (ISSN 0019-1035), vol. 99, no. 1, p. 167-174.

Physics

24

Meteorite Collisions, Planetary Evolution, Planetary Rotation, Uranus (Planet), Angular Momentum, Hydrodynamics

Scientific paper

Simulations of collisions are conducted between a model of the primitive Uranus and 1-3 earth-mass impactors, using smooth-particle hydrodynamics. A series of collisions was simulated for each impactor while varying the total angular momentum of the system. Most of the simulation runs left ices in orbit; a subset of the runs also left rock or iron (from the impactor). It is concluded on the basis of these results that there is a wide range of giant impacts which could have produced the current period and inclination of the spin axis relative to the plane of the ecliptic. A subset of these could have deposited the material in orbit from which the regular satellites of Uranus were assembled.

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