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ISRO GSLV MkIII-M1 / Chandrayānam-2 (Chandrayaan-2) Mission: July 15, 2019

lovely vehicle. ISRO is the only Indian success story with which there is no negative sentiment attached... we love watching India's remarkable success in this field and hope we will follow the suite...
True because it is free of corrupt babus so no political interference ,just need political will and funding , even if Pak government can give funding and support to SUPARCO it will move forward and enhance scientific will of the people
 
Approximate timing of events:

  • 16 days in Earth orbit.
  • 6 days for Trans Lunar Injection.
  • 27 days of de-orbiting around the moon.
  • Lander-Rover separates from Orbiter.
  • 4 days for Lander-Rover to reach 30 km above from 100 km above.
  • 15 minutes for Lander-Rover to soft land.
  • 4 hours for Rover to ramp out.
 
Last edited:
July 11, 2019
  1. Launch Vehicle battery charging carried out.
  2. Routine launch related checks in-progress.
 
Chandrayaan 2 is on a mission unlike any before. Leveraging nearly a decade of scientific research and engineering development, India's second lunar expedition will shed light on a completely unexplored section of the Moon — its South Polar region. This mission will help us gain a better understanding of the origin and evolution of the Moon by conducting detailed topographical studies, comprehensive mineralogical analyses, and a host of other experiments on the lunar surface. While there, we will also explore discoveries made by Chandrayaan 1, such as the presence of water molecules on the Moon and new rock types with unique chemical composition.

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Chandrayaan-2 will be launched from Satish Dhawan Space Center at Sriharikota on-board GSLV Mk-III on 15th July 2019. It will be injected into an earth parking 170 x40400 km orbit. A series of maneuvers will be carried out to raise its orbit and put Chandrayaan-2 on Lunar Transfer Trajectory. On entering Moon's sphere of influence, on-board thrusters will slow down the spacecraft for Lunar Capture. The Orbit of Chandrayaan-2 around the moon will be circularized to 100x100 km orbit through a series of orbital maneuvers. On the day of landing, the lander will separate from the Orbiter and then perform a series of complex maneuvers comprising of rough braking and fine braking. Imaging of the landing site region prior to landing will be done for finding safe and hazard-free zones. The lander-Vikram will finally land near South Pole of the moon on 6th September 2019. Subsequently, Rover will roll out and carry out experiments on Lunar surface for a period of 1 Lunar day which is equal to 14 Earth days. Orbiter will continue its mission for a duration of one year.

Science experiments
Chandrayaan-2 has several science payloads to expand the lunar scientific knowledge through detailed study of topography, seismography, mineral identification and distribution, surface chemical composition, thermo-physical characteristics of top soil and composition of the tenuous lunar atmosphere, leading to a new understanding of the origin and evolution of the Moon.

The Orbiter payloads will conduct remote-sensing observations from a 100 km orbit while the Lander and Rover payloads will perform in-situ measurements near the landing site.


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For understanding of the Lunar composition, it is planned to identify the elements and mapping its distribution on the lunar surface both at global and In-situ level. In addition detailed 3 dimensional mapping of the lunar regolith will be done. Measurements on the near surface plasma environment and electron density in the Lunar ionosphere will be studied. Thermo-physical property of the lunar surface and seismic activities will also be measured. Water molecule distribution will be studied using infra red spectroscopy, synthetic aperture radiometry & polarimetry as well as mass spectroscopy techniques.

Good luck to the Indians, have a lot of time for Indian Space Agency, I hate most Indians but credit to their space agency.
 
As per the official brochure above, slight differences in the vague mission sequence I posted in #48. Sorry about the inaccurate terminology, especially stacking TLI and LTT into one.

Kahan se latey ho itni jaldi, me v space enthusiast, bahut sari cheejen follow karte, inti jaldi nahi milte ye :mad::mad::mad:
Mostly ISRO website. Elsewhere for specific things.
 
As per the official brochure above, slight differences in the vague mission sequence I posted in #48. Sorry about the inaccurate terminology, especially stacking TLI and TLT into one.


Mostly ISRO website. Elsewhere for specific things.
Yaar kuch v lol, thats the place i mostly avoid lol due to their stupid website. They should really make it better. Doesnt suit an organisation like ISRO.
 
Shouldn't we generally have used heavier rockets with great records from other agencies to launch such an important mission, rather than gslv mk3 which only has had two Orbital launches till date. Just asking out of curiosity.
 
Shouldn't we generally have used heavier rockets with great records from other agencies to launch such an important mission, rather than gslv mk3 which only has had two Orbital launches till date. Just asking out of curiosity.
Yesterday only vega launch failed. I think its better for ISRO to do it as they should have confidence in their own ability and even if they failed they would learn a lot. Its a statement to the industry that wants to launch heavier satellites that ISRO is not only economical but also efficient.
 
Shouldn't we generally have used heavier rockets with great records from other agencies to launch such an important mission, rather than gslv mk3 which only has had two Orbital launches till date. Just asking out of curiosity.
This isn't like a communication satellite which would serve a certain need. Here the choice of the launch vehicle is as significant as the payload. It has been prepped and readied just as the payload.

We are ready with the full package. And only when it has been readied are we going ahead.
 
Looking the prowess of ISRO, mission should not be a problem at all but these sort of missions always have their uncertainty. Malfunctioning of smallest component or a minute error in code writting may result into the failure of the mission. Fingers crossed for ISRO.

Hope to see a history being created.
 

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