Saturday, 13 July 2019

CHANDRAYAAN 2 * Exploring the Unknown - GEOSYNCHRONOUS SATELLITE LAUNCH VEHICLE MARK-III(GSLV Mk-III) - Launch Kit of GSLV MkIII - M1 Chandrayaan 2.



CHANDRAYAAN 2
Exploring the Unknown

GEOSYNCHRONOUS SATELLITE LAUNCH VEHICLE MARK-III(GSLV Mk-III)
Launch Kit of GSLV MkIII - M1 Chandrayaan 2









Chandrayaan 2 is an Indian lunar mission that will boldly go where  no country has ever gone  before — the Moon’s south polar region. We aim to improve our understanding of the Moon, which could lead to discoveries that will benefit India and humanity as a whole. These insights and experiences will cause a paradigm shift in how lunar expeditions are approached for years to come, propelling further voyages into the farthest frontiers.



The Moon is the closest cosmic body on which space discovery can be attempted and documented. It is also a promising test bed to demonstrate technologies required for deep-space missions. Chandrayaan 2 attempts to foster a new age of discovery, increase our understanding of space, stimulate the advancement of technology, promote global alliances, and inspire a future generation of explorers and scientists.



The GSLV Mk-III will carry Chandrayaan 2 to its designated orbit. This three-stage vehicle is India’s most powerful launcher to date, and is capable of launching 4-tonne class of satellites to the Geosynchronous Transfer Orbit (GTO).

Height:
43.43 m

Lift Off Mass:
640 tonnes


*   Chandrayaan-2 will be launched on GSLV Mk-3 M1 on July 15th at 2:51 AM in the morning, landing on the Moon is scheduled on September 6th.

*   The Composite Earth Stack (CES) comprising of Orbiter, Lander and Rover will be injected into a 170 x 38000 km highly eccentric orbit 15 minutes after launch.

*   Within 16 days after launch, the Orbiter will perform four orbit raising manoeuvres to raise the apogee to 141000 km.

*   The fifth manoeuvre will put the spacecraft into a Trans Lunar Injection (TLI) trajectory, where it will take five days to travel to the Moon until it is captured by the Moon's influence.

*   When the spacecraft is captured by the Moon's influence a retro burn is done to form a orbit around the Moon.

*   Subsequently four manoeuvres are done to lower the orbit to 100 km circular orbit.

*   After that, the lander will separate from the Orbiter and perform a burn to lower the orbit to 30 x 100 km.

*   After four days of health checks, the landing manoeuvre is done to soft-land near the South Pole of the Moon, where it will take 15 minutes from the start of the burn until the lander lands on the surface of the Moon. ISRO calls it the most crucial part of the mission and has never undertaken such a complex mission, for the first time ISRO will be using throttle-able liquid engines to perform this manoeuvre.

*   After the Lander soft lands on the surface of the moon, the door that houses the rover inside will open, and it will take about 4 hours for the rover to descend from the lander onto the lunar surface.

*   The rover will move at a speed of 1 cm/sec, and will function for one lunar day and move for about 500 meters, which is 14 days on Earth.





INDIAN SPACE RESEARCH ORGANISATION
Antariksha Bhavan, New BEL Road, Bengaluru – 560231, Indiawww.isro.gov.in








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