“Successful Landing on Moon: ISRO Chandrayaan-3 Mission Achieves Milestone on 23-08-2023”

Somanath, ISRO Chief

Dr. S. Somanath, the head of ISRO, received his B. Tech. in mechanical engineering from TKM College of Engineering in Kollam and his M.S. in aerospace engineering with a focus on structures, dynamics, and control from the Indian Institute of Science in Bangalore. In 2003, he began working on the GSLV MkIII Project as the project’s deputy director, who was in charge of the rocket’s general design and integration. From June 2010 until June 2014, he served as the GSLV Mk-III (now LVM-3) project director. Before leading ISRO, Somanath served as the Director of VSSC.­­­­­

P Veeramuthuvel, Chandrayaan-3 project director

Veeramuthuvel, who is from the Villupuram district of Tamil Nadu, finished his mechanical engineering diploma and then pursued an engineering degree. He later completed a PhD at IIT-Madras. In 2014, he joined ISRO.

Mohana Kumar, Mission director

The successful launch of the One Web India 2 satellites on board the LVM3-M3 mission was directed by Mohana Kumar, the Chandrayaan-3 mission director.

S Unnikrishnan Nair, VSSC director

Dr. S. Unnikrishnan Nair, the director of the Vikram Sarabhai Space Center, worked on the creation of a number of aeronautical systems and mechanisms for the PSLV, GSLV, and LVM3 Indian rockets. Unnikrishnan, who served as the first Director of the ISRO’s Human Space Flight Centre (HSFC), oversaw the Gaganyaan Project team and founded the Astronaut Training Center at Bangalore in the HSFC at Bangalore.

M Sankaran, URSC director

On June 1, 2021, M. Sankaran assumed control of the U R Rao Satellite Centre (URSC), the nation’s leading center for the design, development, and realization of all ISRO satellites. He is currently in charge of the satellite community’s efforts to develop a variety of satellite types to satisfy the needs of the country in fields including communication, navigation, remote sensing, meteorology, and extraterrestrial research.

A Rajarajan, LAB chief

A Rajarajan the Satish Dhawan Space Centre (SDSC), which supplies the rocket’s solid fuel, as well as Sriharikota, Andhra Pradesh, the nation’s rocket port. The launch is approved by the Launch Authorisation Board (LAB).

A timeline and list of all the milestones for Chandrayaan 3

Chandrayaan-3 launched

The Indian Space Research Organization’s (ISRO) Chandrayaan-3 mission successfully launched from the Satish Dhawan Space Centre in Andhra Pradesh’s Sriharikota on July 14 and set off to write history.

Maneuvers that raise the orbit

On July 15, 2023, ISRO successfully carried out the Chandrayaan-3 spacecraft’s first orbit-raising maneuver. On July 17, 18, and 25, there were four additional such orbit-raising maneuvers. On July 25, Chandrayaan-3 successfully executed its penultimate Earth-bound orbit-raising maneuver, which marked a significant turning point in the spacecraft’s lunar mission.

Completion of Earth orbits

After finishing its loops around the Earth, Chandrayaan-3 is now traveling toward the Moon.In the early hours of August 1, a crucial maneuver to launch the spacecraft towards the Moon from Earth’s orbit was completed.

Lunar orbit insertion

Chandrayaan-3 was successfully sent into lunar orbit on August 5. “Chandrayaan-3 has successfully positioned itself in lunar orbit”. From the Mission Operations Complex (MOX), ISTRAC (ISRO Telemetry, Tracking and Command Network), Bengaluru, a retro-burning at the Perilune was ordered, according to an ISRO tweet.

orbit-reducing techniques

On August 6 and August 9, India’s Moon Mission accomplished two successful orbital deceleration manoeuvres. The retrofiring of engines during the second orbital reduction brought the spacecraft closer to the Moon’s surface, to 174 km x 1437 km.

Orbit circulation phase

On August 14, when ISRO conducted another successful spacecraft movement, the orbit circulation phase got underway. “The circularization phase of the orbit starts. A near-circular orbit of 150 km x 177 km was attained today thanks to a precise manoeuvre, the ISRO announced in a tweet. Thanks to today’s successful firing, Chandrayaan-3 has successfully reached the intended 153 km x 163 km short-duration orbit. This concludes the lunar-bound maneuvers, the ISRO announced on August 16.

Module Lander separates

According to ISRO, the lander and rover of the Chandrayaan-3 spacecraft have successfully split from the propulsion module. “Man, thanks for the ride! the Lander Module (LM) declared. Successful separation of LM and PM is achieved. According to ISRO’s tweet on X (formerly Twitter), LM is anticipated to sink to a little lower orbit following a deboost scheduled for tomorrow at 1600 IST.

Vikram’s deboosting

After that, on August 18 and 20, the Vikram lander module completed two successful deboostings. “The LM orbit has been successfully lowered to 25 km x 134 km following the second and final deboosting operation. Internal checks would be performed as the module awaited dawn at the landing site. According to ISRO, the powered descent will begin on August 23, 2023, about 1745 IST.

Communication established

On August 21, ISRO announced that two-way contact has been established between the Chandrayaan-2 orbiter and the Lunar Module of Chandrayaan-3. Welcome, friend! Ch-2 orbiter gave Ch-3 LM a formal welcome. There is now two-way contact between them.. MOX now has more options for getting to the LM, it tweeted.

The automatic landing sequence is ready to go.

ISRO said that it is prepared to start the Automatic touchdown Sequence (ALS) for Chandrayaan-3’s Lander Module (LM) to touch down on the lunar surface a few hours before touchdown.

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