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RISAT-1 placed in final Polar Sun-synchronous orbit

India’s indigenously built Radar Imaging Satellite (RISAT-1), launched on April 26, 2012 has been placed in its final Polar Sun-synchronous Orbit. On April 27-28, 2012 the satellite’s propulsion system was used in 4 orbital manoeuvres to raise the height of the orbit of RISAT-1 to 536 km. In the coming days, various elements of the ..