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CBSE - XI Science - Physics - Gravitation

What is a high polar Sun Synchronus Orbit(SSO)?

Asked by Arun Iyer 14th February 2011, 11:07 AM
Answered by Expert


Dear student,
Earth observation satellites usually follow the sun synchronousorbits. A sun synchronous orbit is a nearpolar orbit whose altitude is such that the satellite will alwayspass over a location at a given latitude at the same local solartime.
A satellite in lower Earth orbit is better to obtain high quality remote-sensing data. If placed in a sun-synchronous orbit (also named as polar orbit), the Earth will rotate beneath the orbiting satellite allow global coverage from a single satellite. Sun-synchronous satellites are generally placed at an altitude of about 600-850 km.
Hope this helps.
Answered by Expert 14th February 2011, 1:40 PM

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