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Tisserand parameter : ウィキペディア英語版 | Tisserand's parameter Tisserand's parameter (or Tisserand's invariant) is a value calculated from several orbital elements (semi-major axis, orbital eccentricity, and inclination) of a relatively small object and a larger "perturbing body". It is used to distinguish different kinds of orbits. It is named after French astronomer Félix Tisserand, and applies to restricted three-body problems, in which the three objects all differ greatly in size. ==Definition== For a small body with semimajor axis , eccentricity , and inclination , relative to the orbit of a perturbing larger body with semimajor axis , the parameter is defined as follows: : The quasi-conservation of Tisserand's parameter is a consequence of Tisserand's relation.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Tisserand's parameter」の詳細全文を読む
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