Capture and escape in the elliptic restricted three‐body problem

  title={Capture and escape in the elliptic restricted three‐body problem},
  author={Sergey A. Astakhov and David Farrelly},
  journal={Monthly Notices of the Royal Astronomical Society},
  • S. Astakhov, D. Farrelly
  • Published 14 August 2004
  • Physics, Geology
  • Monthly Notices of the Royal Astronomical Society
Several families of irregular moons orbit the giant planets. These moons are thought to have been captured into planetocentric orbits after straying into a region in which the gravitation of the planet dominates solar perturbations (the Hill sphere). This mechanism requires a source of dissipation, such as gas drag, in order to make capture permanent. However, capture by gas drag requires that particles remain inside the Hill sphere long enough for dissipation to be effective. Recently we have… 

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