ISRO’s radar-imaging satellite Risat-2 has finally landed on Earth after completing its ‘job’ for over 13 years and lands near Jakarta.
About:
It was launched on 20 April 2009 by a PSLV C-12 rocket following the 2008 Mumbai terror attacks.
It was India’s first “eye in the sky” to keep surveillance on the country’s borders as part of anti-infiltration and anti-terrorist operations.
It was also used to track enemy ships at sea.
The main sensor of RISAT-2, which was able to observe in all weather conditions day and night, was Israel Aerospace Industries' X-band Synthetic Aperture Radar.
It carried 30 kg of fuel for an initial designed life of four years.
Due to proper maintenance of orbit and mission planning by the spacecraft operations team in ISRO and by economical usage of fuel, RISAT-2 provided very useful payload data for 13 years.
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