Highlights

  • ISRO successfully completes satellite docking experiment
  • India becomes fourth country with docking capability
  • SpaDeX mission paves way for future missions

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ISRO achieves historic satellite docking with SpaDeX mission

ISRO has successfully completed its Space Docking Experiment (SpaDeX), making India the fourth country to achieve satellite docking. This milestone positions India for future space missions such as Chandrayaan-4 and the upcoming Bharatiya Antariksh Station.

ISRO achieves historic satellite docking with SpaDeX mission

The Indian Space Research Organisation (ISRO) on Thursday successfully achieved satellite docking as part of its Space Docking Experiment (SpaDeX).

"Docking Success Spacecraft docking successfully completed! A historic moment" ISRO proudly announced on 'X'.

Earlier, on January 12, ISRO had conducted a preliminary test, bringing the two spacecraft to a distance of three meters before moving them apart to a safe distance for further analysis.

A Historic Milestone for India

With this achievement, ISRO successfully docked two satellites in space under its SpaDeX mission, making India the fourth country, after the United States, Russia, and China, to demonstrate the ability to dock satellites.

Docking Completed After Delays

Although the docking process had been delayed earlier due to technical issues on January 7 and 9, ISRO was able to complete the docking on Thursday. The successful docking followed a trial on January 12, where the satellites were brought as close as 3 meters before safely moving apart for further assessment.

SpaDeX: A Key Technological Milestone

Launched on December 30 via PSLV, the SpaDeX mission involved two satellites, SDX01 (the Chaser) and SDX02 (the Target), each weighing 220 kg. The satellites were placed in low-Earth orbit, about 20 km apart, before gradually closing the gap for the final docking.

This docking experiment serves as a critical technological demonstration for future Indian missions, including:

  • Chandrayaan-4: A mission to return lunar samples to Earth, requiring a re-entry module to dock with a transfer module
  • Bharatiya Antariksh Station: India’s proposed space station, set to launch in 2028 with modular components
  • Human Moon Mission: Set for 2040, which will require advanced docking technologies.

The successful docking took place during a pivotal moment for ISRO, as V. Narayanan took over as the new director of ISRO on January 14.

Despite earlier challenges, ISRO’s team showed remarkable resilience and technical expertise, ensuring the success of the mission.

This accomplishment represents a major step forward in India’s space exploration ambitions, enabling future missions such as sample returns, space station assembly, and interplanetary exploration.

With the successful completion of SpaDeX, ISRO continues to cement its position as a global leader in space technology.

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