Goldreich, Peter and Rappaport, Nicole (2003) Origin of chaos in the Prometheus–Pandora system. Icarus, 166 (2). pp. 320-327. ISSN 0019-1035 http://resolver.caltech.edu/CaltechAUTHORS:GOLicarus03b
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Abstract
We demonstrate that the chaotic orbits of Prometheus and Pandora are due to interactions associated with the 121:118 mean motion resonance. Differential precession splits this resonance into a quartet of components equally spaced in frequency. Libration widths of the individual components exceed the splitting resulting in resonance overlap which causes the chaos. A single degree of freedom model captures the essential features of the chaotic dynamics. Mean motions of Prometheus and Pandora wander chaotically in zones of width 1.8 deg yr^−1 and 3.1 deg yr^−1, respectively.
| Item Type: | Article | ||||||
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| Additional Information: | Author preprint. This research was supported by NASA Planetary Geology and Geophysics grant 344-30-53-02 and by NSF grant AST-0098301. | ||||||
| Group: | TAPIR | ||||||
| Funders: |
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| Subject Keywords: | Satellites of Saturn, Orbits, Chaos | ||||||
| Record Number: | CaltechAUTHORS:GOLicarus03b | ||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:GOLicarus03b | ||||||
| Alternative URL: | http://arxiv.org/abs/astro-ph/0307259 | ||||||
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| Official Citation: | Peter Goldreich, Nicole Rappaport, Origin of chaos in the Prometheus-Pandora system, Icarus, Volume 166, Issue 2, December 2003, Pages 320-327, ISSN 0019-1035, DOI: 10.1016/j.icarus.2003.09.002. (http://www.sciencedirect.com/science/article/B6WGF-49V1DPH-7/2/33c120c8b1cd6ef8cde6d210ee57e9c1) | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 2431 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Archive Administrator | ||||||
| Deposited On: | 04 Apr 2006 | ||||||
| Last Modified: | 28 Feb 2013 17:14 |
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