ISRO will launch the PSLV-C59/PROBA-3 mission on December 4 at 4:06 p.m. from Sriharikota. Carrying ESA’s 550 kg PROBA-3 satellites, the mission aims to demonstrate precise formation flying with Coronagraph and Occulter spacecraft in a highly elliptical orbit. This marks PSLV’s 61st flight, showcasing ISRO-ESA collaboration. PROBA-3 will study the Sun’s corona, advancing solar research.