The moon and the planets

, Volume 18, Issue 2, pp 203–216 | Cite as

Secular effects of tidal friction on the planet-satellite systems of the solar system

  • Anna Maria Nobili


We separate the tidal evolution of a planet-satellite system with zero eccentricity in two phases:phase 1—from the formation of the system to satellite's corotation (satellite's corotation means that its spin angular velocity equals the orbital angular velocity);phase 2—after satellite's corotation.

We study the planet-satellite system during phase 1 with Darwin's graphical method and obtain an upper limit to satellite'sQ which discloses whether or not it is corotating. Moreover we obtain some qualitative information about the future evolution of the corotating satellites.

The present work does not give any new result for the Earth-Moon case and for the Neptune-Triton case.


Angular Velocity Solar System Future Evolution Graphical Method Qualitative Information 
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Copyright information

© D. Reidel Publishing Company 1978

Authors and Affiliations

  • Anna Maria Nobili
    • 1
  1. 1.Istituto di Scienze dell'InformazioneUniversità di PisaPisaItaly

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