What is New about Chandrayaan 3 ISRO 2020 projects

Isro, Chandrayaan, Chandrayaan 2, 2020 project,
Project Chandrayaan

ISRO Indian Space Research Organisation has been estimated cost for Chandrayaan-3, is above 600 crores, This will be the third Moon mission for India, After the failure to land a probe on Moon in the first attempt on Sept. 2019 i.e. Chandrayaan-2.

ISRO decided to launch Chandrayaan-3 in 2020, Indian govt Approved the project and they have already started the project, The lander Rover and propulsion module will cost Rs. 250 crore, while the launch service will cost another Rs. 365 crore. 

Chandrayaan-3 the target set for the crucial launch is November 2020, ISRO is looking for more than 25 missions this year and they are confident each project work will happen simultaneously, For 2020 projects, land acquisition for the second spaceport in Kulasekarapattinam in Tuticorin, which is in Tamil Nadu. ISRO needs 2300 acres land for this second spaceport, ISRO has requested for Rs.120 crore for new launchpad for SSLV Small Satellite Launch Vehicle which will be part of this proposed spaceport.

Chandrayaan-3’s configuration will be similar to that of its predecessor, Chandrayaan-2, Chandrayaan-3 will also have a lander and Rover with a propulsion module. For Chandrayaan-3 ISRO is planning for landing at the same location as the Chandrayaan-2, the lander of which crash-landed on the Moon surface just moments before it was supposed to soft-land.

Chandrayaan-3 mission, as the second attempt has been dubbed, Engineers and Scientists at ISRO will design and build an entirely new lander and Rover. Since the Chandrayaan-2 mission already has a functional orbiter that is currently in orbit around the Moon, Chandrayaan-3 will not feature an orbiter of its own. In its stead, the Lander and Rover will be accompanied by an additional, detachable module that packs the engine & fuel needed for the journey.

This module will tentatively be called the “Propulsion Module”, The Chandrayaan-3 mission will also feature fewer orbital maneuvers than Chandrayaan-2, which had a total of 6 orbit raisers around the Earth and Moon.

ISRO is looking to improve the data transfer capability on the lander for the new mission, which will help transfer lunar surface images from the lander imager camera right from the beginning of the powered descent, likely to be from about 30 km from the lunar surface. 

ISRO has the noted Data rate, telemetry, and orientation to be appropriately arrived at based on the descent trajectory. Chandrayaan-3 is expected to have solar cells on four sides of the lander, its predecessor had it only on three sides to improve performance. Feasibility of populating solar cells on the fourth side vertical panel where Rover is accommodated to be studied to avoid power issues if landing happens with large attitude error resulting in absence of Sun in the plane.

The panel which will meet again later this year, has also tasked, to look at establishing margins for different touchdown conditions. Strengthening of lander legs to be considered in Chandrayaan-3, power, and communication between lander and ground to be ensured post landing irrespective of lander orientation. 

The Chandrayaan-3 is the successor to the Chandrayaan-2 mission and it will likely attempt another soft-landing on the lunar surface.

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