Astronomy Reports

, Volume 50, Issue 5, pp 405–410 | Cite as

The dynamical evolution of stellar-planetary systems

  • A. G. Mal’nev
  • V. V. Orlov
  • A. V. Petrova


We have carried out numerical simulations of the dynamical evolution of young stellar-planetary groups using various means to choose the initial conditions, which reflect the various assumptions about the physics of planetary formation: that planets form in circumstellar disks or simultaneously with stars as a result of the fragmentation of molecular clouds. The main classes of stable stellar-planetary systems resulting from the dynamical evolution of groups are identified (the outer planets around binary stars and “star + planet” binary systems), and their main characteristics analyzed. The probabilities of the formation of various types of planetary systems are estimated. A preliminary analysis of the migration of planets under the action of perturbations from stars is performed in the framework of the adopted model. It is shown that this migration can occur both towards and away from the star.

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Copyright information

© Pleiades Publishing, Inc. 2006

Authors and Affiliations

  • A. G. Mal’nev
    • 1
  • V. V. Orlov
    • 1
  • A. V. Petrova
    • 1
  1. 1.Sobolev Astronomical InstituteSt. Petersburg State UniversitySt. PetersburgRussia

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