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Status: Unchecked ×Keyword: apsidal precession ×Clear all

2 claims from 1 paper

1. Physics and Astronomy › Astro and Planetary Science

   RETENTION OF A PRIMORDIAL COLD CLASSICAL KUIPER BELT IN AN INSTABILITY-DRIVEN MODEL OF SOLAR SYSTEM FORMATION

   Batygin, Brown and Fraser · The Astrophysical Journal · 2011

   The paper shows that the cold classical Kuiper belt can survive an instability-driven phase of solar system formation, with its dynamical structure reproduced, as analytical work and N-body simulations indicate.

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   1. UncheckedA simple analytical model suggests fast precession of Neptune's orbit while eccentric is essential for keeping the cold Kuiper belt's orbits unexcited.“We develop a simple analytical model for secular excitation of cold KBOs and show that comparatively fast apsidal precession and nodal recession of Neptune, during the eccentric phase, are essential for preservation of an unexcited state in the cold classical region.”
   2. UncheckedObjects like the cold classicals, mixed into the hot classical and scattered populations, helped shape the wide physical diversity of the Kuiper belt.“We further show that contamination of the hot classical and scattered populations by objects of similar nature to that of cold classicals has been instrumental in shaping the vast physical diversity inherent to the Kuiper belt.”