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A scattered Uranus and Neptune, and implications for the asteroid belt

Published online by Cambridge University Press:  26 May 2016

Edward W. Thommes ,
Martin J. Duncan ,
Harold F. Levison  and
John E. Chambers
Edward W. Thommes
Affiliation:
Queen's University, Kingston, Ontario, Canada
Martin J. Duncan
Affiliation:
Queen's University, Kingston, Ontario, Canada
Harold F. Levison
Affiliation:
Southwest Research Institute, Boulder, CO, USA
John E. Chambers
Affiliation:
NASA Ames, Moffat Field, CA, USA

Abstract

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It has been proposed that Uranus and Neptune originated interior to ∽ 10 AU, as potential gas giant cores which were scattered outward when Jupiter won the race to reach runaway gas accretion. We present further numerical simulations of this scenario, which show that it reproduces the present configuration of the outer Solar System with a high degree of success for a wide range of initial conditions. Also, we show that this mechanism may have simultaneously ejected planets from the asteroid belt.

Type
Part II: Progress in the theory of planet formation
Information
Symposium - International Astronomical Union , Volume 202: Planetary Systems in the Universe – Observation, Formation and Evolution , 2004 , pp. 241 - 243
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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