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Oct 22, 2001
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The Polar Satellite Launch Vehicle, in its 21st flight (PSLV-C19), launches India’s first Radar Imaging Satellite – RISAT-1 into a Polar Circular Orbit with an altitude of 480 km (+ 40.5 km) and orbital inclination of 97.552 (+ 0.2). RISAT-1 weighing 1858 kg is the heaviest satellite being launched by PSLV.
This is the third flight of the high end version (PSLV-XL) with six extended strap-on motors, each carrying 12 tonnes of solid propellant. (The two earlier flights of PSLV-XL were used to launch Chandrayaan-1 and GSAT-12 Communication Satellite)