... Based on their shape, satellite orbits are classified as circular, (long) elliptical, parabolic, or hyperbolic, and also as low-altitude orbits, geostationary orbits, etc., depending on the altitude and period of the orbit. An orbit with an inclination angle of 90 degrees is called a polar orbit. *Some of the terminology that mentions "polar orbit" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 人工衛星の軌道はこのように,その形状から,円軌道,(長)楕円軌道,放物線軌道,双曲線軌道に分類されるほか,軌道の高度や周期により,低高度軌道,静止軌道などと呼ばれることもある。なお,軌道傾斜角が90度の軌道は極軌道polar orbitという。 ※「polar orbit」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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