- ISRO launched the Chandrayaan-1 lunar probe on October 22, 2008
- Communication with the lunar probe was lost on August 29, 2009
- NASA found the Chandrayaan-1 orbiting 200 km above the lunar surface.
The Chandrayaan-1, which cost $79 million, was launched in 2008 to map the moon's surface and look for precious resources. It was assigned a two-year mission. Scientists at the Indian Space Research Organisation (ISRO) lost contact with Chandrayaan-1.
Now, scientists at NASA have successfully located the spacecraft still circling some 200 kilometres above the lunar surface.
Finding the spacecraft required some "detective work because the last contact with the spacecraft was on August 29, 2009," said Marina Brozovic, a radar scientist in Californiai.
The Chandrayaan-1 spacecraft is very small, a cube about 1.5 meters on each side - about the size of a Maruti 800.
It was found using inter-planetary radar which helps observe small asteroids several million miles from Earth.
Finding a derelict spacecraft that has not been tracked for years and is as far as the moon is tricky because the moon is riddled with mascons (regions with higher-than-average gravitational pull) that can dramatically affect a spacecraft's orbit over time, and even cause it to have crashed into the Moon.
Experts suggest the Chandrayaan-1 is now a derelict souvenir, which, though in orbit, cannot receive or send data to earth, which means it's space junk.
In 2014, India triumphed with its unmanned spacecraft reaching Mars at a cost of $74 million, a fraction of the $671 million spent by NASA on similar missions - and far cheaper than the budget of the Hollywood space blockbuster "Gravity".
India plans to send its second mission to the moon, Chandrayaan-2, early next year.
(With inputs from Reuters)
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