Chandrayaan-2 successfully placed in lunar orbit by ISRO

Pablo Tucker
August 21, 2019

ISRO chairman K Sivan said, "It's tomorrow morning (tentatively between 8.30 am and 9.30 am)". But Sivan said the proposed soft-landing on the Moon on September 7 is going to be a "terrifying" moment as it is something ISRO has not done before, whereas LOI manoeuver had been carried out successfully during the Chandrayaan-1 mission. Sivan also said that an invitation has been extended to Prime Minister Narendra Modi to witness the landing.

Prime Minister Narendra Modi on Tuesday congratulated Indian Space Research Organisation (ISRO) on Chandrayaan 2 entering the moon's orbit.

"Now the tension has only increased, not reduced", he said. According to ISRO, Chandrayaan-2 - India's second lunar expedition - will shed light on a completely unexplored region of the Moon, its South Pole.

On July 22, the Chandrayaan-2 was injected into an elliptical orbit of 170X45,475 km by India's heavy lift rocket Geosynchronous Satellite Launch Vehicle-Mark III (GSLV Mk III) in a text book style.

The Indian space agency said the major activities include Earth-bound manoeuvres, the trans-lunar insertion, lunar-bound manoeuvres, Vikram's separation from Chandrayaan-2 and touch down on the Moon's South Pole.

After four hours, the rover will come out of lander and descend on the moon. It will study topography, mineral content, surface chemical composition, atmosphere to understand the origin and evolution of the Moon.

Two orbit manoeuvres will be performed on the lander before the initiation of powered descent to make a soft landing on the lunar surface on September 7, ISRO said. Subsequently, Vikram lander will separate from the orbiter on September 2.

A rover will search for water deposits which were confirmed by a previous Indian moon mission. Explaining the lunar orbit insertion, former Isro chief Kiran Kumar told TOI, "Moon has 65,000km sphere of influence, meaning its gravity can pull space bodies up to that distance".

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