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What is SPADEX?

  • Full Form: Space Docking Experiment
  • Objective: Demonstrate autonomous in-orbit docking technology using small satellites.
  • Significance: Key for future space station operations, satellite servicing, and interplanetary missions.

Recent Developments (2025)

  • Second successful docking completed between:
    • SDX-01 (Chaser)
    • SDX-02 (Target)
  • Launch Date: December 30, 2024 (via PSLV-C60 from SDSC, Sriharikota)
  • First Docking: January 16, 2025
  • Undocking: March 13, 2025
  • Second Docking: April 2025 (re-docking event)

Technological Milestone

  • Demonstrates spacecraft rendezvous and automated docking.
  • Places India among elite nations with this capability:
    • USA
    • Russia
    • China
    • India

Strategic Importance

  • Foundation for:
    • Satellite servicing
    • Crewed lunar missions
    • Bharatiya Antariksh Station (BAS) – India’s planned space station
  • Advances deep space logistics and multi-launch coordination

Institutions Involved

  • UR Rao Satellite Centre – Lead developer
  • Supported by:
    • VSSC (Vikram Sarabhai Space Centre)
    • LPSC (Liquid Propulsion Systems Centre)
    • SAC (Space Applications Centre)
    • IISU (Inertial Systems Unit)
    • LEOS (Laboratory for Electro-Optics Systems)

Future Plans

  • Continued experimentation in coming weeks to refine technology.
  • Aim: Develop cost-effective, small-satellite-based docking systems.

Published by Pragyanxetu

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