Jisho

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たいどうどう 対地同期軌道
Noun
1. geosynchronous orbitAstronomy
Wikipedia definition
2. Geosynchronous orbitA geosynchronous orbit (sometimes abbreviated GSO) is an orbit around the Earth with an orbital period of one sidereal day (approximately 23 hours 56 minutes and 4 seconds), matching the Earth's sidereal rotation period. The synchronization of rotation and orbital period means that, for an observer on the surface of the Earth, an object in geosynchronous orbit returns to the exactly same position in the sky after a period of one sidereal day.
Read “Geosynchronous orbit” on English Wikipedia
Read “対地同期軌道” on Japanese Wikipedia
Read “Geosynchronous orbit” on DBpedia

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