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

KapitaanAli

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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.
 
Orbiter payloads
  • Terrain Mapping Camera 2 (TMC 2)
  • Chandrayaan 2 Large Area Soft X-ray Spectrometer (CLASS)
  • Solar X-ray Monitor (XSM)
  • Orbiter High Resolution Camera (OHRC)
  • Imaging IR Spectrometer (IIRS)
  • Dual Frequency Synthetic Aperture Radar (SAR)
  • Chandrayaan 2 Atmospheric Compositional Explorer 2 (CHACE 2)
  • Dual Frequency Radio Science (DFRS) experiment
Vikram payloads
  • Radio Anatomy of Moon Bound Hypersensitive ionosphere and Atmosphere (RAMBHA)
  • Chandra's Surface Thermo-physical Experiment (ChaSTE)
  • Instrument for Lunar Seismic Activity (ILSA))
Pragyaan payloads
  • Alpha Particle X-ray Spectrometer (APXS)
  • Laser Induced Breakdown Spectroscope (LIBS)
Passive Experiment
  • Laser Retroreflector Array (LRA)
 
Historic moment if this mission becomes successful , it will be nice to Indian flag on moon , are we gonna do that?
 
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July 4, 2019
Integration of encapsulated assembly of Chandrayaan-2 with launch vehicle completed.


July 2, 2019
1.Equipment bay camera cowling assembly completed.
2. Radio frequency checks completed with Chandrayaan 2 spacecraft.
3. Payload fairing assembly in progress.


July 2, 2019
Online registration process for witnessing the forthcoming GSLV MKIII-M1 / Chandrayaan-2 mission will commence @ 00:00 hrs on 04th July 2019.


July 1, 2019
Chandrayaan -2 getting ready for integration with GSLV launcher.


June 30, 2019
1. Electrical checks and pyro arming of the vehicle completed.
2.Launch vehicle battery charging completed.


June 30, 2019
1. Electrical checks and pyro arming of the vehicle completed.
2.Launch vehicle battery charging completed.


June 29, 2019
Vikram lander (assembled with Pragyan Rover) integrated with Orbiter.


June 29, 2019
Rover after completion of all tests integrated with lander Vikram.


June 28, 2019
GSLV MkIII-M1/Chandrayaan 2: Assembly of the batteries for all stages of launch vehicle completed.


Chandrayaan 2 will be aided in achieving its mission by some of India's most advanced engineering marvels. Its integrated module, which comprises technology and software developed across the country, includes ISRO's most powerful launch vehicle to date and a wholly indigenous rover. Some of the advancements on the spacecraft include:

  • Lander capable of 'Soft Landing' on the lunar surface.
  • Algorithm wholly developed by India's scientific community.
  • Rover capable of conducting in-situ payload experiments.

Orbiter

Weight: 2,379 kg
Electric Power Generation Capability: 1,000 W

At the time of launch, the Chandrayaan 2 Orbiter will be capable of communicating with Indian Deep Space Network (IDSN) at Byalalu as well as the Vikram Lander. The mission life of the Orbiter is one year and it will be placed in a 100X100 km lunar polar orbit.

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Lander — Vikram

Weight: 1,471 kg
Electric Power Generation Capability: 650 W

The Lander of Chandrayaan 2 is named Vikram after Dr Vikram A Sarabhai, the Father of the Indian Space Programme. It is designed to function for one lunar day, which is equivalent to about 14 Earth days. Vikram has the capability to communicate with IDSN at Byalalu near Bangalore, as well as with the Orbiter and Rover. The Lander is designed to execute a soft landing on the lunar surface.

Rover — Pragyan

Weight: 27 kg
Electric Power Generation Capability: 50 W

Chandrayaan 2's Rover is a 6-wheeled robotic vehicle named Pragyan, which translates to 'wisdom' in Sanskrit. It can travel up to 500 m (½-a-km) and leverages solar energy for its functioning. It can only communicate with the Lander.

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Looks like ISRO has finally roped in good graphics guys.
Nice job. Its important how u present themselves when u r working in a high tech industry.
Hope the cameraman and live feed gets an upgrade as well.
I understand our budget isn't like that of SpaceX or blue origin or NASA but its important.
 
Going to be a hard one. GSLV Mark 3 I dont have near 100% launch cred, though all launches so far have been a success. And obviously the whole orbiting around the moon injecting a probe with a rover in it is a whole different ball game ISRO is getting into. I hope it goes well.
 

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