Chandrayaan 3

Chandrayaan 3: Journey to the Moon’s Hidden Secrets

According to ISRO, the Lander Module is scheduled to make its lunar touchdown on August 23, 2023, during the time window of 17:30 to 18:30 hrs IST.


Chandrayaan 3 Latest News: India’s third lunar expedition is steadily approaching its destination day by day. The Indian Space Research Organisation (ISRO) announced on Friday that the lunar module has successfully adjusted its orbit to 113 km x 157 km after completing its initial “deboosting” maneuver at around 4 pm. The second and final deboosting operation, originally slated for 2 am on August 20, 2023, was also executed without a hitch.

Understanding Deboosting: A Technical Insight

In the realm of space science, deboosting is a crucial maneuver involving the deliberate reduction of a spacecraft’s speed. This strategic deceleration is executed to precisely align the spacecraft’s orbit, ensuring that its closest proximity to the Moon (Perilune) is at a distance of 30 km, while the farthest point (Apolune) is maintained at 100 km. Today marked a significant milestone as Chandrayaan 3 successfully concluded its second and final deboosting operation.

Exploring Chandrayaan 3

In the realm of space exploration, India has emerged as a formidable contender, showcasing its commitment to scientific progress and technological innovation. Chandrayaan 3, the upcoming lunar mission, is generating considerable buzz in the scientific community and beyond.

Target Landing Site for Vikram Lander

Anticipation surrounds the impending landing of Chandrayaan 3’s Vikram Lander, which is projected to touch down in the south polar region of the moon. Interestingly, Russia’s Luna 25 mission also has its sights set on the same lunar locale. Notably, this specific area has remained unexplored in terms of soft landings, making India and Russia pioneers in potential breakthroughs in lunar exploration.

Chandrayaan 3 Updates | Timeline of India’s Third Lunar Mission

July 6: ISRO announces the scheduled launch of the moon mission on July 14 from Sriharikota, Andhra Pradesh.

July 7: Successful completion of all vehicle electrical tests.

July 11: A seamless 24-hour ‘launch rehearsal’ is executed.

July 14: ISRO’s LVM3 M4 successfully propels Chandrayaan-3 into its intended orbit.


July 15: The first orbit-raising maneuver triumphs in Bengaluru, elevating the spacecraft’s orbit to 41762 km x 173 km.

July 17: The second orbit-raising maneuver elevates Chandrayaan-3 to a 41603 km x 226 km orbit.

On July 22, the completion of the fourth orbit-raising maneuver and the successful execution of the Earth-bound perigee firing resulted in the positioning of Chandrayaan-3 into a stable orbit of 71351 km x 233 km.

July 25: Successful execution of another orbit-raising maneuver.

August 1: Chandrayaan-3 transitions to the translunar orbit, achieving a 288 km x 369328 km orbit.

August 5: Arrival in the lunar orbit, maintaining a 164 km x 18074 km trajectory.

August 6: Adjustment to a 170 km x 4,313 km orbit around the lunar surface.

August 9: Further descent to a 174 km x 1437 km orbit through another maneuver.

August 14: Initiation of the orbit circularization phase, attaining a 151 km x 179 km orbit.

August 16: Chandrayaan-3’s orbit is optimized to 153.163 km through a successful firing.

August 17: The detachment of the landing module, housing both the Vikram Lander and the Pragyan rover, from its propulsion system.

August 18: Completion of the ‘deboosting’ operation, resulting in a reduced orbit of 113 km x 157 km.

August 20: Successful execution of the second and final ‘deboosting,’ achieving an orbit of 25 km x 134 km for the lander module.

August 23: As per the plan, the Vikram Lander is anticipated to make its lunar touchdown between 5:30 pm and 6:30 pm.

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