Orbital Evolution of Scattered Planets | Zendy

LiChin Yeh | Zendy; IngGuey Jiang | Zendy

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Orbital Evolution of Scattered Planets

Author(s) -

LiChin Yeh,

IngGuey Jiang

Publication year - 2001

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/323245

Subject(s) - neptune , planet , eccentricity (behavior) , physics , solar system , phase space , orbital plane , plane (geometry) , phase (matter) , orbit (dynamics) , orbital mechanics , orbital eccentricity , nice model , astrobiology , astronomy , terrestrial planet , planetary migration , geometry , satellite , aerospace engineering , mathematics , engineering , political science , law , thermodynamics , quantum mechanics

A simple dynamical model is employed to study the possible orbital evolutionof scattered planets and phase plane analysis is used to classify the parameterspace and solutions. Our results reconfirm that there is always an increase ineccentricity when the planet was scattered to migrate outward when the initialeccentricity is zero. Applying our study on the Solar System and consideringthe existence of the Kuiper Belt, this conclusion implies that Neptune wasdynamically coupled with the Kuiper Belt in the early phase of the SolarSystem, which is consistent with the simulational model in Thommes, Duncan &Levison (1999).Comment: AAS Latex file, 21 pages, accepted by Ap

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