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Chandrayaan-3 Getting Closer to Moon for Landing, ISRO Gears up for Sun

Chandrayaan-3 Getting Closer to Moon for Landing, ISRO Gears up for Sun

Monday, 14 August 2023

The Indian space agency on Monday said the process of putting the Chandrayaan-3 spacecraft in a circular orbit around the moon has begun.

The spacecraft has moved further closer to the moon.

The Indian space agency also said its Aditya-L1 spacecraft -- the first space-based Indian observatory to study the Sun -- is getting ready for the launch.

“Orbit circularisation phase commences. Precise maneuvre performed today has achieved a near-circular orbit of 150 km x 177 km. The next operation is planned for August 16, 2023, around 0830 Hrs. IST,” Indian Space Research Organisation (ISRO) tweeted.

The spacecraft comprises a propulsion module (weighing 2,148 kg), a lander (1,723.89 kg) and a rover (26 kg).

On attaining the required orbit, the lander will get separated from the propulsion module and later expected to make a soft-landing near the South Pole of the moon on August 23 at 5.47 p.m.

The lander will descend to the moon from a height of about 100 km from the moon's surface. The soft landing is a tricky issue as it involves a series of complex manoeuvres consisting of rough and fine braking.

Imaging of the landing site region prior to landing will be done for finding safe and hazard-free zones. Subsequent to the soft landing, the six-wheeled rover will roll out and carry out experiments on the lunar surface for a period of one lunar day which is equal to 14 earth days.

The Chandrayaan-3 was put into orbit on July 14 in a copybook style by India's heavy lift rocket LVM3. The spacecraft completed orbiting around the earth and headed towards the moon on August 1. On that day a successful perigee-firing performed at ISTRAC, the ISRO had injected the spacecraft into the translunar orbit.

Be that as it may, ISRO also said its Aditya-L1 spacecraft- the first space-based Indian observatory to study the Sun, is getting ready for the launch.

“The satellite realised at the U R Rao Satellite Centre (URSC), Bengaluru has arrived at SDSC-SHAR (India’s rocket port), Sriharikota,” ISRO said.

ISRO will be sending up its Aditya-L1, a coronagraphy satellite, on a PSLV rocket to study the solar atmosphere towards the end of August or early September.

According to ISRO, the spacecraft will be placed into a halo orbit around the first Lagrange point, L1, of the Sun-Earth system.

The satellite around the L1 point has the major advantage of continuously viewing the Sun without occultation/eclipses.

The Aditya-L1 mission is slated to happen a couple of days after ISRO attempts to land on the lunar soil its lander that is being carried by the Chandrayaan-3 spacecraft.

© 2024 IANS. All rights reserved.

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The Indian space agency on Monday said the process of putting the Chandrayaan-3 spacecraft in a circular orbit around the moon has begun.The spacecraft has moved further closer to the moon.The Indian space agency also said its Aditya-L1 spacecraft -- the first space-based...
Chandrayaan-3, Orbit, Moon, Space
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2023-45-14
Monday, 14 August 2023
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