Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007dps....39.4110c&link_type=abstract
American Astronomical Society, DPS meeting #39, #41.10; Bulletin of the American Astronomical Society, Vol. 39, p.495
Astronomy and Astrophysics
Astronomy
Scientific paper
In a previous work (Callegari and Yokoyama 2007, Celestial Mechanics vol. 98), the main features of the motion of the pair Enceladus-Dione were analyzed in the frozen regime, i.e., without considering the tidal evolution. Here, the results of lots of numerical simulations of a pair of satellites similar to Enceladus and Dione crossing the 2/1 mean-motion resonance are shown. The resonance crossing is modeled with a linear tidal theory, considering a two-degrees-of-freedom model written in the framework of the general three-body planar problem. The main regimes of motion of the system during the passage through resonance are studied in detail. We discuss our results comparing them with classical scenarios of tidal evolution of the system.
This work is supported by Fapesp (06/58000-2; 06/61379-3).
Callegari Nelson
Yokoyama Tadashi
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