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"98% success rate" for Chandrayaan-2 are not my words, this was the initial rating of the panel: Isro Chief | India News



In an exclusive interview with TOI, Indian Space Research Organization (Isro), President K Sivan explained why he stated 98% success rate for the Chandrayaan-2 mission, what exactly is PM Narendra Modi ] told him on the morning of September 7 and the achievements of the space agency from the second lunar mission in the country. Interview excerpts:
Why did you say 98% success rate for Chandrayan-2, even when Vikram land had "hard earth" on the moon?
"98% success rate" is not my word. This was the success of the commission in its initial evaluation. He reached the figure after examining all the major milestones achieved during the mission: from the launch of Chandrayan-2 to the final descent of the lander. The launching of the launch vehicle (GSLVMKIII) was successful, and then, ground, module, maneuver injection, lunar orbit, lunar orbit maneuvers, and Earth orbiter separation were ideal. Even Vikram's final descent to the last leg was perfect. The Committee reached the figure as most of the mission's objectives were met.
What are the results of the Committee's report?
The committee, which examines the reasons why the control room lost contact with Vikram on September 7, is composed of members of Isro's academic circles and experts. He will send his report directly to the SSR in a few days, as the PM is our leader. Depending on his advice, we will decide the next course of action.
Will you make the images taken from orbit public?
All data or images will be analyzed. It will go through a due process of review. After review and approval, the data will be publicly available.
Will you share orbital data with Nasa or other space agencies?
There may be no problem sharing this data, but it should be according to our policy.
What did PM Modi say to you when you informed him at the beginning of September 7 that contact with the farmer had been lost?
It was a tense moment, I don't remember his exact words. But what I could remember and what he meant was, "Don't worry, take care. Everything will be fine. "Later that morning, after turning to Isro's scientists, he hugged me as I was emotional, but then he said nothing.
What are the achievements of Isro from the second lunar mission in
The launcher first established its ability to lift from 4 tons to GTO (geostationary transfer orbit), which was a great achievement, as a composite body we were able to bring the module into the orbit of the moon Two satellites (land and orbiter) ) were successfully split into lunar orbit. This is also the first many advanced payloads in orbit, some of them the first in the world, all of which function well at 1
00 km altitude.The orbiter will create "new science" due to the specific nature of the payloads. landing, all systems performed well.
What are the next Isro priority missions or programs?
We have arranged multiple satellite missions such as Cartosat-3, RISAT-2BR1 and RISAT-2BR2 (advanced surveillance or spy systems). , GISAT-1 and GISAT-2 ( new series of high-performance communication satellites). Another major mission is the small satellite rocket vehicle (SSLV), which will be launched in late December or early next year. We aim to launch the Aditya L1 (Sun) mission by April next year. Another major mission is the Human Space Flight Mission or Gaganyan before 2022. After Gaganyan, we will plan to create our own space station. We will also launch the mission of the orbit of Venus by 2023-24. We have already made an opportunity announcement. In response, we have a large number of payload offers from India as well as from abroad and we are reviewing them.
Will you go to the Gaganian mission by 2022 if the unmanaged mission fails?
The government wants us to launch the first human space mission before the 75th year of India's independence. Therefore, we aim to launch a seconded mission by December 2021. We will have two unmanned missions before it. One in December next year and the other in July 2021. The first mission will use a humanoid (human-like robot). We will check all the parameters vital to the survival of humans in space. First we will perfect all our technology in unmanned missions, then we will just send people into space. Work on crew design and service modules has been completed and implementation work has begun. However, no decision was made on the suit, medical kit and other equipment.
Any program in which Isro coordinates with Nasa or other space agency?
We are currently working on NISAR (Nasa-Isro Synthetic Diaphragm Radar Mission). Earth observation satellite (to be used for remote monitoring, observation and understanding of Earth's natural processes) will be launched in early 2022. According to reports of a joint lunar probe with Japan, it has not yet been finalized.

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