The separation of Chandrayaan-3’s lander module comprising the Vikram lander from the propulsion module has been scheduled on August 17 between 1:00 pm to 1:30 pm. Post its separation, the lander is expected to undergo a process of slowing down, known as deboost, to place it in an orbit where the Peru line or the closest point to the Moon is 30 kms and Apolune or the farthest point from the Moon is 100km.
The Indian Space Research Organisation (ISRO) previously said in a post formerly Twitter that Chandrayaan-3 is placed into an orbit of 153 km x 163 km after August 16 orbit reduction maneuverer.
Following its launch on July 14, the Chandrayaan-3 spacecraft entered into the lunar orbit on August 5. ISRO has conducted a series of maneuvers to reduce Chandrayaan-3s orbit and position the spacecraft over lunar poles. After this, orbit reduction maneuvers were carried out on August 6,9 and 14.
Moreover, former ISRO chief K Sivan said that he is optimistic about Chandrayaan-3s landing on the Moon on August 23. Sivan, who was the ISRO boss during Chandrayaan-2 mission, said the landers touch down on August 23 is a great moment we are looking forward to. He added the Chandrayaan-2 also went through all these phases successfully but an issue came up during the landings second phase.
Commenting on the Chandrayaan-3 mission, ISRO chief S Somanath said that Chandrayaan-3 has a failure-based design instead of a success-based design. The ability to handle parameter variation or dispersion was very limited in Chandrayaan-2. So, instead of success-based design, we are doing a failure-based design in Chandrayaan-3. What all can fail, and how to protect it — this is the approach that we have taken, Somanath told PTI.
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Source : Business Today
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