ISRO shares images of Chandrayaan-3 two days before Moon landing to showcase collision avoidance with boulders.

Chandrayaan 3, the lunar mission by the Indian Space Research Organisation (ISRO), is scheduled to make a historic landing on the south pole of the moon on August 23rd at approximately 6:04pm Indian Standard Time (IST). As a precursor to this anticipated event, ISRO released images on Monday depicting the Vikram lander’s process of determining the landing site. These images showcase the Lunar far side area captured by the Lander Hazard Detection and Avoidance Camera (LHDAC), a crucial component designed to aid in identifying a safe landing area devoid of obstacles like boulders or deep trenches during the spacecraft’s descent.In a public update posted on X, formerly known as Twitter, ISRO detailed the significance of the LHDAC camera and its role in the landing process. The organization highlighted how these images contribute to the mission’s success by ensuring a suitable and hazard-free landing site.The timeline of Chandrayaan-3’s journey so far includes several key milestones:July 6: ISRO announced that the Chandrayaan-3 mission was scheduled for launch on July 14 from Sriharikota’s second launch pad in Andhra Pradesh.July 7: Successful completion of all vehicle electrical tests.July 11: A successful 24-hour ‘Launch Rehearsal’ was conducted.July 14: ISRO’s LVM3 M4 launched Chandrayaan-3 into its designated orbit.July 15: The spacecraft executed its first orbit-raising manoeuvre in Bengaluru, reaching an orbit of 41762 km x 173 km.July 17: The second orbit-raising manoeuvre established an orbit of 41603 km x 226 km.July 22: The fourth orbit-raising manoeuvre, known as Earth-bound perigee firing, positioned the spacecraft in an orbit of 71351 km x 233 km.July 25: Another successful orbit-raising manoeuvre was conducted.August 1: Chandrayaan-3 transitioned into the translunar orbit, with an orbit of 288 km x 369328 km.August 5: The spacecraft entered the lunar orbit at 164 km x 18074 km.August 6: The spacecraft’s orbit was further adjusted to 170 km x 4,313 km around the Moon.August 9: A subsequent manoeuvre lowered the spacecraft’s orbit to 174 km x 1437 km.August 14: The mission entered the orbit circularisation phase, achieving an orbit of 151 km x 179 km.August 16: The spacecraft attained an orbit of 153 km x 163 km after a firing operation.August 17: The landing module, which includes the Vikram lander and Pragyan rover, separated from its propulsion system.August 18: Successful completion of a ‘deboosting’ operation that adjusted the spacecraft’s orbit to 113 km x 157 km. This maneuver strategically positioned the spacecraft for its lunar descent, with the closest point to the Moon (Perilune) at 30 km and the farthest point (Apolune) at 100 km.August 20: Chandrayaan-3 performed its second and final deboosting operation, resulting in an orbit of 25 km x 134 km for the landing module.August 23: If all goes according to plan, Chandrayaan-3 will culminate its journey by landing on the lunar surface.This meticulously orchestrated series of events showcases the complex and precise nature of Chandrayaan-3’s mission, highlighting ISRO’s dedication to advancing lunar exploration and scientific discovery.

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