New Delhi, Dec. 31 -- The Indian Space Research Organisation (ISRO) on Monday successfully launched SpaDeX (Space Docking Experiment) as its final mission of the year.

SpaDeX lifted off at 10 pm, after being rescheduled by two minutes, on board the PSLV-C60 rocket from ISRO's Satish Dhawan Space Centre in Andhra Pradesh's Sriharikota.

The mission will see ISRO attempt to "dock" (unite) two satellites in space, a challenge only mastered by a few countries. For the project, ISRO is using an indigenous technology named the "Bharatiya Docking System."

SpaDeX is significant because the docking, if successful, will pave the way for India's future space missions such as Chandrayaan-4, Gaganyaan and India's planned space station (Bharatiya Ant...