earth-synchronous satellite

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• Earth observation satellite — An Earth observation satellite, ERS 2 Earth observation satellites are satellites specifically designed to observe Earth from orbit, similar to reconnaissance satellites but intended for non military uses such as environmental monitoring,… …   Wikipedia

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• orbit, synchronous satellite —    The path followed by a communications satellite that is at such a distance above the earth (about 35,880 km) that the satellite keeps pace with the earth s rotation and thus hovers above a particular point on the earth …   IT glossary of terms, acronyms and abbreviations

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• Synchronous orbit — A synchronous orbit is an orbit in which an orbiting body (usually a satellite) has a period equal to the average rotational period of the body being orbited (usually a planet), and in the same direction of rotation as that body.PropertiesA… …   Wikipedia

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