A Hybrid N-body--Coagulation Code for Planet Formation

Details A Hybrid N-body--Coagulation Code for Planet Formation A Hybrid N-body--Coagulation Code for Planet Formation

2006-02-15

arxiv.org/abs/astro-ph/0602327v1

Astron.J.131:2737-2748,2006

Astronomy and Astrophysics

Astrophysics

Astronomical Journal, accepted; 33 pages + 11 figures

Scientific paper

10.1086/503280

We describe a hybrid algorithm to calculate the formation of planets from an initial ensemble of planetesimals. The algorithm uses a coagulation code to treat the growth of planetesimals into oligarchs and explicit N-body calculations to follow the evolution of oligarchs into planets. To validate the N-body portion of the algorithm, we use a battery of tests in planetary dynamics. Several complete calculations of terrestrial planet formation with the hybrid code yield good agreement with previously published calculations. These results demonstrate that the hybrid code provides an accurate treatment of the evolution of planetesimals into planets.

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