theIASHub | 23 Apr, 2025
SpaDeX Mission: ISRO has recently successfully completed the second docking of its two satellites — SDX01 (Chaser) and SDX02 (Target) — under the SpaDeX (Space Docking Experiment) mission.
o It is a technology demonstration mission to test docking and undocking capabilities of two satellites in low-Earth orbit.
o Involves two small satellites: SDX01 (Chaser) & SDX02 (Target). Each satellite weighs around 220 kg. Launched by PSLV-C60 into a 460 km circular orbit with a 45° inclination.
o Primary Objective: Demonstrate rendezvous, docking, and undocking of spacecraft in orbit.
o Secondary Objectives: Demonstrate electric power transfer between docked satellites.
o Significance: With this success, India becomes the fourth country after the USA, Russia, and China to achieve satellite docking operations.
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