Chennai, March 8 -- In a significant achievement, the POEM-4, the repurposed spent upper stage of the PSLV vehicle used for PSLV-C60/Spadex Mission, has successfully completed 1,000 orbits in space.

This milestone was achieved on March 4, 2025, 64 days after the Spadex docking experiment was launched from the SHAR Range, Sriharikota.

In an update, ISRO said the fourth edition of the PSLV Orbital platform Experiment Module (POEM-4), the repurposed spent upper stage of the PSLV vehicle used for PSLV-C60/SPADEX Mission, has successfully completed 1000 orbits on March 4.

The PSLV-C60 Mission was launched on December 30, 2024 and POEM-4 began its operations subsequent to the successful injection of the Spadex spacecraft.

POEM-4 was ...