3 years ago

Chaotic dynamics around cometary nuclei.

Ivan I. Shevchenko, José Lages, Guillaume Rollin

We apply a generalized Kepler map theory to describe the qualitative chaotic dynamics around cometary nuclei, based on accessible observational data for five comets whose nuclei are well-documented to resemble dumb-bells. The sizes of chaotic zones around the nuclei and the Lyapunov times of the motion inside these zones are estimated. In the case of Comet 1P/Halley, the circumnuclear chaotic zone seems to engulf an essential part of the Hill sphere, at least for orbits of moderate to high eccentricity.

Publisher URL: http://arxiv.org/abs/1710.10110

DOI: arXiv:1710.10110v1

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