<p>After a 37-day journey, the Chandrayaan-3 lander craft 'Vikram' is now barely 25 kilometres above the Lunar surface. This is the lowest orbit it will remain in before it commences its powered descent (manoeuvres that will lead to the Lunar soft landing). "The powered descent is expected to commence on August 23rd, 2023, around 5:45 pm IST," ISRO said. This indicates that the Lunar soft-landing could be completed by 6:15 pm on Wednesday.&nbsp;</p>

<p>The lander craft performed its second and final de-boost manoeuvre at 2 am IST, Sunday,&nbsp;August 20. This brought the lander craft from an orbit of 113kmsx157kms to an orbit of 25kmsx134kms. This means the craft is barely 25 km above the lunar surface, at its closest approach and 134 km above the lunar surface at its farthest approach.&nbsp;</p>

<p>Also Read | <a href="https://www.wionews.com/india-news/who-chief-hails-modis-home-state-gujarat-as-futures-mecca-of-traditional-medicine-627109">WHO chief hails Modi's home state Gujarat as future's 'Mecca of traditional medicine'</a></p>

<p>Chandrayaan-3 has a specific landing date of August 23, as the day marks the commencement of the Lunar daytime. Landing during the Lunar Day would help the Indian craft charge its batteries by harnessing solar power.</p>

<p>Given that Chandrayaan-3 (lander-rover) has a mission life of only one Lunar day (14.75 Earth days), it is imperative for the craft to begin its operations immediately once the lunar day&nbsp;breaks. This would give it the maximum possible operational time to carry out in-situ experiments, as planned.&nbsp;</p>

<p>Meanwhile, as it performed a similar manoeuvre to move into a pre-landing orbit, Russia's Luna-25 craft ran&nbsp;into trouble and crashed into the moon and the mission has reportedly failed. Chandrayaan's Vikram is meant to land near 70 degree latitude of the moon, which is near the unexplored southern polar region.&nbsp;</p>

<p>Also Read | <a href="https://www.wionews.com/india-news/ladakh-nine-indian-soldiers-dead-many-injured-after-army-vehicle-plunges-into-gorge-627075">Ladakh: Nine Indian soldiers dead after Army vehicle plunges into gorge</a></p>

<p>"Today, in accordance with the Luna-25 flight programme, at 14:10, an impulse was issued to transfer the station (craft) to the pre-landing orbit. During the operation, an emergency situation occurred on board the automatic station(robotic craft) which did not allow the maneuver to be performed with the specified parameters The management team is currently analyzing the situation" read the translated version of the Roscosmos statement released after the glitch was reported.&nbsp;</p>

<p><strong>Watch | India’s Chandrayaan-3 in faceoff with Russia’s Luna-25 for unchartered lunar south pole</strong></p>

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<p>While India has undertaken Lunar missions in 2008, 2019 and now Chandrayaan-3, the erstwhile Soviet Union had performed its last Lunar lander mission in 1976. Luna-25 got delayed by more than a decade and was the maiden Lunar mission of Russia.&nbsp;</p>

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After a 37-day journey, the Chandrayaan-3 lander craft 'Vikram' is now barely 25 kilometres above the Lunar surface. This is the lowest orbit it will remain in before it commences its powered descent (manoeuvres that will lead to the Lunar soft landing).

After a 37-day journey, the Chandrayaan-3 lander craft 'Vikram' is now barely 25 kilometres above the Lunar surface. This is the lowest orbit it will remain in before it commences its powered descent (manoeuvres that will lead to the Lunar soft landing). "The powered descent is expected to commence on August 23rd, 2023, around 5:45 pm IST," ISRO said. This indicates that the Lunar soft-landing could be completed by 6:15 pm on Wednesday. The lander craft performed its second and final de-boost manoeuvre at 2 am IST, Sunday, August 20. This brought the lander craft from an orbit of 113kmsx157kms to an orbit of 25kmsx134kms. This means the craft is barely 25 km above the lunar surface, at its closest approach and 134 km above the lunar surface at its farthest approach. Also Read | WHO chief hails Modi's home state Gujarat as future's 'Mecca of traditional medicine' Chandrayaan-3 has a specific landing date of August 23, as the day marks the commencement of the Lunar daytime. Landing during the Lunar Day would help the Indian craft charge its batteries by harnessing solar power. Given that Chandrayaan-3 (lander-rover) has a mission life of only one Lunar day (14.75 Earth days), it is imperative for the craft to begin its operations immediately once the lunar day breaks. This would give it the maximum possible operational time to carry out in-situ experiments, as planned. Meanwhile, as it performed a similar manoeuvre to move into a pre-landing orbit, Russia's Luna-25 craft ran into trouble and crashed into the moon and the mission has reportedly failed. Chandrayaan's Vikram is meant to land near 70 degree latitude of the moon, which is near the unexplored southern polar region. Also Read | Ladakh: Nine Indian soldiers dead after Army vehicle plunges into gorge "Today, in accordance with the Luna-25 flight programme, at 14:10, an impulse was issued to transfer the station (craft) to the pre-landing orbit. During the operation, an emergency situation occurred on board the automatic station(robotic craft) which did not allow the maneuver to be performed with the specified parameters The management team is currently analyzing the situation" read the translated version of the Roscosmos statement released after the glitch was reported. Watch | India’s Chandrayaan-3 in faceoff with Russia’s Luna-25 for unchartered lunar south pole × While India has undertaken Lunar missions in 2008, 2019 and now Chandrayaan-3, the erstwhile Soviet Union had performed its last Lunar lander mission in 1976. Luna-25 got delayed by more than a decade and was the maiden Lunar mission of Russia. WATCH WION LIVE HERE You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here. ×

Chandrayaan-3: Vikram lander 25km above moon, to land at break of Lunar Day on Aug 23

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<p>As the Indian lunar mission Chandrayaan-3 entered its third and final phase, the Chandrayaan-3 lunar lander has now taken over the reins of the high-profile mission. Around 1 pm IST, on Thursday (August 17), the Indian space agency ISRO announced that the Chandrayaan-3 integrated spacecraft had separated into two parts - the propulsion module and the lander module.</p>

<p>While the propulsion module continues to orbit the moon for a few years, the lander module is headed towards the Lunar surface, in preparation for its lunar soft-landing scheduled for August 23.&nbsp;</p>

<p>"LM is successfully separated from the Propulsion Module (PM). LM is set to descend to a slightly lower orbit upon a deboosting planned for tomorrow around 1600 Hrs., IST," ISRO tweeted.&nbsp;</p>

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<p dir="ltr" lang="en">The most-anticipated Divorce case in <a href="https://twitter.com/hashtag/india?src=hash&amp;ref_src=twsrc%5Etfw">#india</a><br />
<br />
Propulsion module vs Vikram lander...After a harmonious 34day journey in <a href="https://twitter.com/hashtag/space?src=hash&amp;ref_src=twsrc%5Etfw">#space</a>, propulsion module which got both of them till the <a href="https://twitter.com/hashtag/moon?src=hash&amp;ref_src=twsrc%5Etfw">#moon</a>, will separate from the lander<br />
<br />
Perhaps, around noon today🤞<a href="https://twitter.com/hashtag/isro?src=hash&amp;ref_src=twsrc%5Etfw">#isro</a> <a href="https://twitter.com/hashtag/Chandrayaan?src=hash&amp;ref_src=twsrc%5Etfw">#Chandrayaan</a> <a href="https://twitter.com/hashtag/tech?src=hash&amp;ref_src=twsrc%5Etfw">#tech</a> <a href="https://twitter.com/hashtag/science?src=hash&amp;ref_src=twsrc%5Etfw">#science</a> <a href="https://t.co/VwjRUQRx2a">pic.twitter.com/VwjRUQRx2a</a></p>
— Sidharth.M.P (@sdhrthmp) <a href="https://twitter.com/sdhrthmp/status/1692038761281179939?ref_src=twsrc%5Etfw">August 17, 2023</a></blockquote>
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<p>With the Chandrayaan-3 propulsion module included, India now has three of its crafts circling the moon. This includes Chandrayaan-1 (defunct), Chandrayaan-2 orbiter and the Chandrayaan-3 propulsion module. India commenced its lunar exploration journey in 2008 with Chandrayaan-1 and then followed it up with Chandrayaan-2 in 2019, and Chandrayaan-3 in July this year.&nbsp;</p>

<p><a href="https://www.wionews.com/india-news/chandrayaan-3-just-a-week-away-from-lunar-soft-landing-625932"><strong>Also read |&nbsp;Chandrayaan-3 just a week away from lunar soft landing</strong></a></p>

<h2><strong>Four vehicles in Chandrayaan-3 mission&nbsp;</strong></h2>

<p>Any spacefaring mission is like a relay race — there are many performers and each one completes their task and hands over to the next. On July 14, the LVM3 rocket was the vehicle that carried the 3.9-tonne spacecraft (comprising the propulsion module, lander and rover) into the earth's orbit. Performing its task in about 16 minutes, India's largest rocket injected the satellites into the desired orbit.</p>

<p>Then on, the craft's propulsion module gradually pushed and steered the craft away from the Earth, using its onboard engines. Until July 31, the craft orbited the earth and then fired its engines to gain more velocity, pushing itself to rendezvous with the moon in a few days (lunar transfer trajectory). On August 5, the craft reached the vicinity of the moon and fired its engines to slow itself down, reduce its orbit and get captured by lunar gravity.&nbsp;</p>

<p>From August 5 till August 17, the craft has been circling the moon. Once in a few days, the craft retro-fired its engines to slow down and reduce its orbit and get closer to the lunar surface. On Thursday, as the craft was in a 153 km x 163 km orbit, the propulsion module and lander module separated. This means that the propulsion module has completed its core task of getting the craft into an orbit around the moon.&nbsp;</p>

<p><a href="https://www.wionews.com/videos/chandrayaan-3-to-land-on-the-moon-on-august-23-626135"><strong>Watch |&nbsp;Chandrayaan-3 to land on the moon on August 23</strong></a></p>

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<p>Henceforth, it will be the responsibility of the Vikram lander to test its cameras, sensors and engines, as it prepares for a lunar soft landing. The lander craft will commence reducing its orbit on Friday (August 18) and eventually cut down its velocity from a few kilometres/second to one metre/second, which is the ideal speed for lunar soft-landing.&nbsp;</p>

<p>After the successful soft landing, the lander is meant to open its ramp and allow the 'Pragyan' rover to roll out onto the lunar surface. In close coordination with each other, the lander, rover and propulsion module would then carry out their respective scientific tasks and send their data back to Earth.</p>

<p>As far as the lander and rover are concerned, ISRO is looking at an operational life of one lunar day or two weeks on Earth. However, after the lunar night passes and the new dawn breaks, when the sunlight is available, it is possible that the lander and rover come back to life.&nbsp;</p>

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As the Indian lunar mission Chandrayaan-3 entered its third and final phase, the Chandrayaan-3 lunar lander has now taken over the reins of the high-profile mission.

As the Indian lunar mission Chandrayaan-3 entered its third and final phase, the Chandrayaan-3 lunar lander has now taken over the reins of the high-profile mission. Around 1 pm IST, on Thursday (August 17), the Indian space agency ISRO announced that the Chandrayaan-3 integrated spacecraft had separated into two parts - the propulsion module and the lander module. While the propulsion module continues to orbit the moon for a few years, the lander module is headed towards the Lunar surface, in preparation for its lunar soft-landing scheduled for August 23. "LM is successfully separated from the Propulsion Module (PM). LM is set to descend to a slightly lower orbit upon a deboosting planned for tomorrow around 1600 Hrs., IST," ISRO tweeted. The most-anticipated Divorce case in #india Propulsion module vs Vikram lander...After a harmonious 34day journey in #space, propulsion module which got both of them till the #moon, will separate from the lander Perhaps, around noon today🤞#isro #Chandrayaan #tech #science pic.twitter.com/VwjRUQRx2a — Sidharth.M.P (@sdhrthmp) August 17, 2023 × With the Chandrayaan-3 propulsion module included, India now has three of its crafts circling the moon. This includes Chandrayaan-1 (defunct), Chandrayaan-2 orbiter and the Chandrayaan-3 propulsion module. India commenced its lunar exploration journey in 2008 with Chandrayaan-1 and then followed it up with Chandrayaan-2 in 2019, and Chandrayaan-3 in July this year. Also read | Chandrayaan-3 just a week away from lunar soft landing Four vehicles in Chandrayaan-3 mission Any spacefaring mission is like a relay race — there are many performers and each one completes their task and hands over to the next. On July 14, the LVM3 rocket was the vehicle that carried the 3.9-tonne spacecraft (comprising the propulsion module, lander and rover) into the earth's orbit. Performing its task in about 16 minutes, India's largest rocket injected the satellites into the desired orbit. Then on, the craft's propulsion module gradually pushed and steered the craft away from the Earth, using its onboard engines. Until July 31, the craft orbited the earth and then fired its engines to gain more velocity, pushing itself to rendezvous with the moon in a few days (lunar transfer trajectory). On August 5, the craft reached the vicinity of the moon and fired its engines to slow itself down, reduce its orbit and get captured by lunar gravity. From August 5 till August 17, the craft has been circling the moon. Once in a few days, the craft retro-fired its engines to slow down and reduce its orbit and get closer to the lunar surface. On Thursday, as the craft was in a 153 km x 163 km orbit, the propulsion module and lander module separated. This means that the propulsion module has completed its core task of getting the craft into an orbit around the moon. Watch | Chandrayaan-3 to land on the moon on August 23 × Henceforth, it will be the responsibility of the Vikram lander to test its cameras, sensors and engines, as it prepares for a lunar soft landing. The lander craft will commence reducing its orbit on Friday (August 18) and eventually cut down its velocity from a few kilometres/second to one metre/second, which is the ideal speed for lunar soft-landing. After the successful soft landing, the lander is meant to open its ramp and allow the 'Pragyan' rover to roll out onto the lunar surface. In close coordination with each other, the lander, rover and propulsion module would then carry out their respective scientific tasks and send their data back to Earth. As far as the lander and rover are concerned, ISRO is looking at an operational life of one lunar day or two weeks on Earth. However, after the lunar night passes and the new dawn breaks, when the sunlight is available, it is possible that the lander and rover come back to life. WATCH WION LIVE HERE:

Chandrayaan-3 mission: Two vehicles have done their job, two more to go

Understanding The Different Phases Of Chandrayaan-2 Lunar Mission In a few hours, the final descent of Chandrayaan - 2 will take place on the South Pole of moon. This mission has been a remarkable journey with various stages. This report gives an overview of India's ambitious and historic lunar mission.

Gravitas: Meet Vikram: Chandrayaan-2’s lander!

Position of Chandrayaan-2's lander Vikram has been located on the moon with the help thermal picture clicked by Orbiter revolving around the moon.

ISRO: Lander Vikram's position located on the moon through pic by Orbiter

WION Exclusively speaks to Chris Hadfield, First Canadian who walked in space.

WION Exclusive | In conversation with Chris Hadfield, First Canadian who walked in space

WION Exclusively talks to DR. Amitabha Ghosh, NASA Scientist from Washing D.C. over Indian lunar mission Chandrayaan-2.

WION Exclusive | In conversation with Dr Amitabha Ghosh, NASA Scientist from Washington

Chandrayaan-2: ISRO addresses media over current status of Lander Vikram. Watch video to know more.

Chandrayaan-2: ISRO addresses media over current status of Lander Vikram

The entire country is waiting with bated breath for the ultimate moment in the history of India – the landing of Indian Space Research Organisation's Chandrayaan-2 on the south pole of the moon – a place where no man or man-made mission has ever landed before.

ISRO loses contact with Chandrayaan-2's Vikram lander

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