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Growth of Jupiter: Enhancement of core accretion by a voluminous low-mass envelope

Authors
  • Gennaro D'Angelo
  • Stuart J, Weidenschilling
  • Jack J, Lissauer
  • Peter, Bodenheimer
Type
Published Article
Journal
Icarus
Publisher
Elsevier
Publication Date
Oct 31, 2014
Volume
241
Pages
298–312
Source
SETI Institute
License
Unknown

Abstract

We present calculations of the early stages of the formation of Jupiter via core nucleated accretion and gas capture. The core begins as a seed body of about 350 km in radius and orbits in a swarm of planetesimals whose initial radii range from 15 m to 50 km. The evolution of the swarm accounts for growth and fragmentation, viscous and gravitational stirring, and for drag-assisted migration and velocity damping. During this evolution, less than 9% of the mass is in planetesimals smaller than 1 km in radius;≲ 25% is in ...

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