India Achieves Key Space Milestone with Earth-Imaging Satellite Launch
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India Achieves Key Space Milestone with Earth-Imaging Satellite Launch
- On September 4, 2026, India successfully launched its EOS-05 Earth-observation satellite into a sub-geosynchronous transfer orbit, marking a significant step as its first imaging satellite designed for operations from geosynchronous orbit.
- The Geosynchronous Satellite Launch Vehicle (GSLV) Mark II, designated GSLV-F17, lifted off at 2:55 AM India Standard Time from the Satish Dhawan Space Centre in Sriharikota.
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India’s space program achieved a crucial success on September 4, 2026, with the launch of the EOS-05 Earth-observation satellite aboard the GSLV-F17 rocket. This mission marks India’s first imaging satellite designed to operate from a geosynchronous orbit, approximately 22,236 miles (35,786 kilometers) above Earth, allowing it to continuously monitor the same region.
The GSLV Mark II rocket, standing 170 feet (52 meters) tall, successfully deployed the 5,218-pound (2,367 kilograms) EOS-05 into a sub-geosynchronous transfer orbit. From there, the satellite will use its own propulsion to reach its final geosynchronous altitude. This launch was the 19th flight of India’s GSLV.
The successful launch provides a significant boost to the Indian Space Research Organisation (ISRO) following recent setbacks. In January 2026, ISRO’s Polar Satellite Launch Vehicle (PSLV) failed to deliver 16 satellites to orbit due to an anomaly in its third stage. Another PSLV mission in May 2025 also encountered a failure. The GSLV itself had a failure in August 2021 when the EOS-03 satellite was lost due to a malfunction in its cryogenic upper stage. However, the GSLV Mark II has since achieved a streak of five consecutive successful launches, including this most recent one. This mission was India’s third orbital launch in 2026, with a private Indian company, Skyroot Aerospace, also successfully completing its first orbital launch in July. ISRO plans to undertake seven more launches by March 2027.