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Order and Chaos in Stellar and Planetary Systems ASP Conference Series, Vol. 316, 2004
 

Summary: Order and Chaos in Stellar and Planetary Systems
ASP Conference Series, Vol. 316, 2004
G. Byrd, K. Kholshevnikov, A. Myll¨ari, I. Nikiforov, and V. Orlov, eds.
Dynamics of Capture in the Restricted Three-Body
Problem
Sergey Astakhov,1 Andrew Burbanks,2 Stephen Wiggins,2 and
David Farrelly1
1Department of Chemistry & Biochemistry, Utah State University,
Logan, Utah 84322-0300, USA
2School of Mathematics, University of Bristol BS8 1TW, UK
Abstract. We propose a new dynamical model for capture of irregular moons
which identifies chaos as the essential feature responsible for initial temporary
gravitational trapping within a planet's Hill sphere. The key point is that in-
coming potential satellites get trapped in chaotic orbits close to "sticky" KAM
tori in the neighbourhood of the planet, possibly for very long times, so that the
chaotic layer largely dictates the final orbital properties of captured moons.
1. Introduction
The often puzzling properties of the irregular satellites of the giant planets--
most of which have been discovered during the last six years (see Gladman et
al. 2001; Hamilton 2003; Sheppard & Jewitt 2003; references therein and IAU

  

Source: Astakhov, Sergey - John von Neumann Institute for Computing, Forschungszentrum Jülich

 

Collections: Computer Technologies and Information Sciences; Physics