準同期軌道
1. Semi-synchronous orbitSemi-Synchronous Orbit: An orbit with approximately a 12-hour period. A circular Semi-Synchronous Orbit is at an altitude of approximately 20,200 km.
Read “Semi-synchronous orbit” on English Wikipedia
Read “準同期軌道” on Japanese Wikipedia
Read “Semi-synchronous orbit” on DBpedia
Read “Semi-synchronous orbit” on English Wikipedia
Read “準同期軌道” on Japanese Wikipedia
Read “Semi-synchronous orbit” on DBpedia
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