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ISRO RISAT-2 satellite makes uncontrolled return to Earth’s atmosphere

Weighing only about 300 kg, the satellite made an uncontrolled return to Earth’s atmosphere at its predicted point of impact.

RISAT-2, launched by the Indian Space Research Organization (ISRO) in 2009, made an uncontrolled reentry to Earth’s atmosphere at its predicted point of impact. Weighing only about 300kg, the satellite made an uncontrolled reentry into Earth’s atmosphere on Oct. 30 at its predicted Indian Ocean impact point near Jakarta, ISRO said.

RISAT-2 Satellite carried 30 kg of fuel for an initial life of four years. “With proper maintenance of orbit and mission planning by the spacecraft operations team in ISRO, through fuel economy, RISAT-2 has provided highly payload data for 13 years,” said the national space agency, which is headquartered here. Since the injection, RISAT-2’s radar payload services have been provided for various space applications.

On return, there was no fuel left in the satellite, so no fuel contamination or explosions are expected, ISRO said. Studies confirmed that the pieces generated as a result of aerothermal fragmentation would not have survived global warming and therefore no fragments would have hit Earth, it said. “RISAT-2 is a clear example of ISRO’s ability to conduct space operations in an efficient and optimal manner.

When RISAT-2 re-entered within 13.5 years, it met all necessary international mitigation guidelines for Space Debris, also demonstrating ISRO’s commitment to the long-term sustainability of the Outer Space,” said ISRO.

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