ISRO Launches Historic SpaDeX Mission for Space Docking
India’s space journey takes a giant leap as ISRO successfully launched the SpaDeX mission to demonstrate space docking capabilities, marking a key milestone in space exploration. Launched from the Satish Dhawan Space Centre (SDSC SHAR) on December 30, 2024, the PSLV-C60 rocket carried two small spacecraft, SDX01 (Chaser) and SDX02 (Target), to low-Earth orbit. This mission sets the stage for autonomous docking and undocking technologies, positioning ISRO as the fourth global player in this field after Russia, the US, and China.
The primary aim of SpaDeX is to develop technology for rendezvous, docking, and undocking of spacecraft in low-Earth orbit. This includes:
Autonomous Docking: Demonstrating the critical ability to dock and undock spacecraft autonomously.
Power Transfer: Establishing energy transfer between the docked spacecraft, essential for future space applications like robotics.
Position and Navigation: Utilizing differential GNSS-based Satellite Positioning Systems for precise control and coordination.
The mission highlights several indigenous technologies, including:
Docking Mechanism: An advanced docking system designed for high precision, crucial for small spacecraft.
Communication Systems: An inter-satellite communication link (ISL) enables real-time communication during orbital maneuvers.
Relative Orbit Determination: GNSS-based Relative Orbit Determination and Propagation (RODP) ensures precise positioning during docking.
The successful SpaDeX mission not only boosts India’s space capabilities but also lays the groundwork for complex future missions, such as satellite servicing, space station assembly, and lunar exploration. It strengthens ISRO’s position in the global space community and offers a foundation for advanced space missions like Chandrayaan-4, which will operate without Earth-based GNSS support. With this mission, India moves closer to its vision of deep space exploration and technological leadership.
| Key Point | Details |
|---|---|
| Why in News | ISRO launched the SpaDeX mission on December 30, 2024, using PSLV-C60 to demonstrate space docking technology. |
| Mission Name | Space Docking Experiment (SpaDeX) |
| Launch Date | December 30, 2024 |
| Rocket Used | PSLV-C60 |
| Launch Site | Satish Dhawan Space Centre (SDSC), Sriharikota |
| Objective | Demonstrating autonomous docking and undocking of two small spacecraft in low-Earth orbit. |
| Spacecraft Names | SDX01 (Chaser) and SDX02 (Target) |
| Key Technologies | Advanced docking mechanism, GNSS-based navigation, power transfer technology. |
| Control Centre | ISTRAC (ISRO’s Telemetry, Tracking, and Command Network) |
| Upcoming ISRO Mission (2025) | GSLV launching NVS-02 satellite for NavIC constellation in January 2025 |
| Countries with Space Docking Tech | Russia (former USSR), USA, China, and now India |
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