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Hill stability of the satellites in coplanar four-body problem

  • Tsinghua University

Research output: Contribution to journalArticlepeer-review

Abstract

We consider a four-body system, where three bodies, constituting a subsystem, orbit around a larger body. This paper is devoted to study the Hill stability of the subsystem using a coplanar four-body problem. Starting from the equation of zero-velocity surface for the general coplanar four-body problem, we derive two criteria of Hill stability, one of which is similar to the criterion of Hill stability in the three-body problem. These criteria are used to judge the Hill stability of the Sun-Jupiter-Ganymede-Callisto system.

Original languageEnglish
Pages (from-to)547-553
Number of pages7
JournalMonthly Notices of the Royal Astronomical Society
Volume462
Issue number1
DOIs
StatePublished - 11 Oct 2016
Externally publishedYes

Keywords

  • Celestial mechanics
  • Galaxies: kinematics and dynamics
  • Methods: analytical
  • Methods: numerical
  • Planets and satellites: dynamical evolution and stability
  • Stars: kinematics and dynamics

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