The Indian Space Research Organisation (ISRO) successfully completed the fourth attempt of docking two satellites in space, marking a major achievement in its Spadex mission. According to ISRO sources, scientists executed the docking maneuver with precision, though detailed data analysis is currently underway to confirm the full success of the operation.
With this milestone, India becomes the fourth country in the world to demonstrate in-space docking technology. An official announcement confirming the achievement is expected shortly.
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Mission details
The SpaDeX mission involved two small satellites: SDX01 (Chaser) and SDX02 (Target). Both satellites were launched on December 30, 2024, aboard the PSLV C60 rocket from the Satish Dhawan Space Centre in Sriharikota. Each satellite weighs around 220 kg and was deployed into a 475-km circular orbit.
The primary aim of SpaDeX is to demonstrate cost-effective in-space docking technology. This capability is crucial for India’s future space programs, including sample return missions, lunar exploration, and the creation of the Bharatiya Antariksh Station (BAS).
Trial and docking attempts
On January 12, 2025, ISRO conducted a trial as part of the Spadex mission. During this trial, the Chaser and Target satellites were brought within three meters of each other. Following the maneuver, the satellites were separated and moved to a safer distance. The data from this trial is now being analyzed, paving the way for the successful docking attempt.
Initially scheduled for January 7 and later pushed to January 9, the docking was delayed to ensure the operation was conducted with precision.
Published: 16 Jan 2025, 10:09 am IST
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