首页> 外文会议>Third Meeting on Celestical Mechanics - CELMEC III Jun 18-22, 2001 Rome, Italy >TETHYS' ECCENTRICITY FROM THE OBSERVATIONS OF MIMAS: A WAY TO UNDERSTAND THE EVOLUTION OF THE MIMAS-TETHYS SYSTEM
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TETHYS' ECCENTRICITY FROM THE OBSERVATIONS OF MIMAS: A WAY TO UNDERSTAND THE EVOLUTION OF THE MIMAS-TETHYS SYSTEM

机译:从MIMAS观察中得出TETHY的偏心性:了解MIMAS-TETHYS系统演变的一种方式

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摘要

Some recent studies have shown that the eccentricity of Tethys has a deciding influence on the evolution, under tidal effects, of the resonance of the Mimas-Tethys system. Tethys' eccentricity induces secondary resonances in which the system can be temporarily captured. Unfortunately, the value of this eccentricity is badly known. In the present work, we present a new preliminary determination of it, using an analysis of the mean longitude of Mimas in which the eccentricity of Tethys has a notable influence. The recent reduction of the CCD observations of Mimas allows to make such analysis.
机译:最近的一些研究表明,在潮汐作用下,特提斯的偏心率对Mimas-Tethys系统共振的演变具有决定性的影响。 Tethys的偏心率引起二次共振,可以在其中暂时捕获系统。不幸的是,这种古怪的价值是众所周知的。在当前的工作中,我们通过对Mimas的平均经度进行分析,提出了一个新的初步确定方法,其中Tethys的离心率具有显着影响。最近对Mimas的CCD观测值的减少允许进行这种分析。

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