<P> Chandrayaan - 1 completed the lunar orbit insertion operation on 8 November 2008 at 11: 21 UTC . This manoeuvre involved firing of the liquid engine for 817 seconds (about thirteen and half minutes) when the spacecraft passed within 500 km (310 mi) from the Moon . The satellite was placed in an elliptical orbit that passed over the polar regions of the Moon, with 7,502 km (4,662 mi) aposelene and 504 km (313 mi) periselene . The orbital period was estimated to be around 11 hours . With the successful completion of this operation, India became the sixth nation to put a vehicle in lunar orbit . </P> <Dl> <Dt> First orbit reduction </Dt> </Dl> <Dt> First orbit reduction </Dt> <P> First Lunar Orbit Reduction Manoeuvre of Chandrayaan - 1 was carried out on 9 November 2008 at 14: 33 UTC . During this, the engine of the spacecraft was fired for about 57 seconds . This reduced the periselene to 200 km (124 mi) while aposelene remained unchanged at 7,502 km . In this elliptical orbit, Chandrayaan - 1 took about ten and a half hours to circle the Moon once . </P>

Report on india's mission to the moon