1. Innovative Use of PSLV’s Upper Stage: POEM-4 reused the spent PS4 stage of PSLV-C60 as an orbital experimental platform, enhancing sustainability in space missions.
  2. Part of SpaDeX Mission: It was a component of the SpaDeX (Space Docking Experiment) mission, demonstrating advancements in space servicing and docking technologies.
  3. Enhanced Payload Capacity: POEM-4 had 3 times more payload capacity than POEM-3 and hosted 24 payloads (14 from ISRO, 10 from private and academic sectors).
  4. Notable Technologies Tested: Key payloads included a Walking Robotic Arm (RRM-TD), a Debris Capture Robotic Manipulator, and a Reaction Wheel Assembly (RWA) for precise attitude control.
  5. REPORT

    Safe Re-entry: After completing its mission, POEM-4 was de-orbited safely into the Indian Ocean, monitored by ISRO’s IS4OM system, showcasing responsible end-of-life space operations.