The rotational dynamics of Titan from Cassini RADAR images
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- 作者：Rachele Meriggiola<sup>asup><sup> ; sup><sup>rachele.meriggiola@uniroma1.it" class="auth_mail" title="E-mail the corresponding authorsup><sup> ; sup><sup>rachele.meriggiola@gmail.com" class="auth_mail" title="E-mail the corresponding authorsup> ; Luciano Iess<sup>asup> ; Bryan.W. Stiles<sup>bsup> ; Jonathan.I. Lunine<sup>csup> ; Giuseppe Mitri<sup>dsup>
- 关键词：Titan ; interior ; Satellites ; dynamics ; Geophysics
- 刊名：Icarus
- 出版年：2016
- 出版时间：1 September 2016
- 年：2016
- 卷：275
- 期：Complete
- 页码：183-192
- 全文大小：1569 K
文摘
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Cassini SAR images are correlated to track Titan rotation along time.
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Evidence of a synchronous spin rate for Titan is reported.
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A new spin pole location including precession-nutation terms is proposed.
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Titan pole location is compatible with the occupancy of a Cassini State.
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Results are compatible with the presence of a thin shell underlain by an ocean.