Chandrayaan 3: Vikram Lander & Pragyan Rover Commence; ISRO Shares Updates

The Indian Space Research Organisation (ISRO) provided the most recent updates on the Chandrayaan 3 mission on Thursday, letting everyone know that everything is going according to schedule and that everything is working as it should.
The Lander Module’s payloads, including ILSA, RAMBHA, and ChaSTE, have been activated just one day after the historic launch, according to the space agency. It was stated that the Pragyan Rover’s mobility activities had begun.

The SHAPE payload on the Propulsion Module was also turned on on Sunday, the agency added.



Complete timetable for the Chandrayaan-3 mission

Here is a complete timeline of everything that has happened thus far with the Chandrayaan 3 mission.


  • July 6: ISRO announces the July 14 launch date for Mission Chandrayaan-3 from the second launch pad at Sriharikota.

  •  Successful vehicle electrical testing were performed on July 7.

  • July 11: A thorough 24-hour “Launch Rehearsal” that replicated the whole launch procedure comes to an end

  • On July 14, the LVM3 M4 launcher places Chandrayaan-3 in its intended orbit.

  • On July 15, the first orbit-raising maneuver was successful and a 41762 km by 173 km orbit was attained.

  • On July 17, Chandrayaan-3 is put into an orbit of 41603 km x 226 km by a second orbit-raising maneuver.

  • July 22: The fourth orbit-raising maneuver places the spacecraft in an orbit of 71351 km by 233 km.

  •  On July 25, another orbit-raising maneuver was accomplished.

  • August 1: Chandrayaan-3 entered a 288 by 369328 km translunar orbit.

  •  August 5: Successful insertion of the moon into orbit (164 x 18074 kilometers).

  • Lunar orbit reduced to 170 km x 4,313 km on August 6.

  •  On August 9, the Indian Space Research Organization (ISRO) cautiously lowers the spacecraft’s orbital route. It has accomplished a 174 km by 1437 km lunar orbit.

  • On August 14, Chandrayaan-3 enters a controlled orbit that brings it within 150 km of the moon’s surface.

  • The Indian spacecraft does its penultimate Moon-bound maneuver on August 16 to put itself in a nearly circular lunar orbit of 163*153 kilometers.

  • August 17: The landing module, which includes the Pragyan rover and the Vikram lander, detaches from its propulsion system. 

  • On August 18, Chandrayaan 3 successfully completed a ‘deboosting’ procedure that made its orbit smaller, at 113 km by 157 km.

  • On August 20, the Chandrayaan-3 performed the final modification to its orbit by decreasing it to be roughly 134*25 kilometers from the moon at its farthest and closest points, respectively.

  •  On August 23, the intended touchdown was accomplished.


What payloads are carried by the propulsion module, Pragyan rover, and Vikram lander?

In order to examine the spectral and polarimetric measurements of Earth from the lunar orbit, the propulsion module contains a Spectro-polarimetry of Habitable Planet Earth (SHAPE) payload.

Lander payloads include the Langmuir Probe (LP), Chandra’s Surface Thermophysical Experiment (ChaSTE), Instrument for Lunar Seismic Activity (ILSA), and Chandra’s Surface Thermophysical Experiment (ChaSTE), which measures thermal conductivity and temperature. For lunar laser ranging investigations, space agency NASA has provided a passive Laser Retroreflect.

Alpha Particle X-ray Spectrometer (APXS) and Laser Induced Breakdown Spectroscope (LIBS) are rover payloads that are used to determine the elemental composition close to the landing site.





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