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Gaganyaan-1

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Gaganyaan-1
NamesG1
Mission typeUncrewed flight test
OperatorISRO
Spacecraft properties
SpacecraftGaganyaan
ManufacturerHindustan Aeronautics Limited
Start of mission
Launch dateDecember 2024 (planned)
RocketHLVM3
Launch siteSatish Dhawan Space Centre
Orbital parameters
Reference systemGeocentric orbit
RegimeLow Earth orbit

Gaganyaan-1 (from Sanskrit: gagana, "celestial" and yāna, "craft, vehicle") will be the first uncrewed test flight of the Gaganyaan programme, with launch planned for December 2024.

Background

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The launch was originally scheduled for December 2020,[1] then in December 2021,[2] but it was delayed due to the COVID-19 pandemic.[1] The flight plan was finally ready by April 2022[3] and the launch is expected to take place in 2024,[4] after the TV-D1, TV-D2, TV-D3 and TV-D4.[5] It was proposed in April 2022 that the crew module should be depressurized,[6] something kept in the final planning.[7]

The first orbiter module adaptor assembly (OMA) was supplied by Kineco Kaman Composites on 23 December 2023. The OMA is a conical structure with a diameter of 4 meters, composed of carbon-fiber-reinforced polymers. It is combined with the equipment bay shroud and crew escape module.[8] With the successful qualification of the rocket's engines in February 2024,[9] the mission is scheduled for December 2024.[4][10]

Mission objectives

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The Gaganyaan spacecraft will be launched, with the humanoid robot Vyommitra, by a Human-rated LVM 3 from Satish Dhawan Space Centre and inserted into a 170 x 408 km orbit.[11][12] The circularisation maneuver will be performed at the third orbit. The landing should follow the same pattern as the TV-D1.[3][13]

After this mission, ISRO will perform four more abort tests before launching Gaganyaan 2,[5] carrying the humanoid robot Vyommitra,[14] which was later decided that it will also fly on G-1.[15].

Mission History

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The flight is planned in December 2024. The L110 stage for the upgraded LVM3 vehicle arrived at Satish Dhawan Space Center in July, followed by the S200 boosters. A Different Upper stage, the C-32, will be used in lieu of the C-25 for this mission. The C-32 is currently undergoing tests for the flight.[16]

The Abort motors have also arrived at SDSC . The Crew module is in the integration — propulsion and mechanical systems testing phase at the Vikram Sarabhai Space Centre (VSSC) and the service module wiring is going on at URSC.G1 will carry Vyomitra, and also an unpressurized engineering model of the Environmental Control and Life Support System (ECLSS) system.[16]

References

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  1. ^ a b Jones, Andrew (2021-02-23). "India revises Gaganyaan human spaceflight plan, delays Chandrayaan-3". SpaceNews. Retrieved 2024-01-06.
  2. ^ "First uncrewed mission of Gaganyaan in December: It's race against time for ISRO now". The Hindu. 2021-06-28. ISSN 0971-751X. Retrieved 2024-01-06.
  3. ^ a b Kumar, Chethan (2022-04-28). "First Gaganyaan uncrewed module to be injected in 170x408km orbit; indicates human spaceflight profile". The Times of India. ISSN 0971-8257. Retrieved 2024-01-06.
  4. ^ a b Desk, Janam Web (2024-02-28). "Why were the names of Gaganyaan passengers revealed a year before its launch?". janamtv.com. Retrieved 2024-02-28. {{cite web}}: |last= has generic name (help)
  5. ^ a b "Chennai: Indian Space Research Organisation to carry out series of tests before launch of Gaganyaan". The Times of India. 2022-07-01. ISSN 0971-8257. Retrieved 2024-01-06.
  6. ^ Kumar, Chethan (2022-04-29). "Gaganyaan: First uncrewed mission to have unpressurised crew module". The Times of India. ISSN 0971-8257. Retrieved 2024-01-06.
  7. ^ Marar, Anjali; Dutt, Anonna (2024-02-27). "PM Modi announces 4 astronauts for Gaganyaan: Current status of the mission". The Indian Express. Retrieved 2024-02-29.
  8. ^ "Pilerne-based Kineco Kaman delivers key component for Isro's human space mission". The Times of India. 2023-12-23. ISSN 0971-8257. Retrieved 2024-02-13.
  9. ^ Kumar, Chetan (2024-02-21). "Gaganyaan: Cryo engine qualification for human-rated LVM-3 completed". The Times of India. ISSN 0971-8257. Retrieved 2024-02-21.
  10. ^ Singh, Surendra (2024-08-21). "70 missions to be launched in 5 years; first uncrewed Gaganyaan launch in December: Isro chief". The Times of India. ISSN 0971-8257. Retrieved 2024-08-21.
  11. ^ Kumar, Chethan (2023-07-15). "Chandrayaan-3 a shot in the arm for Gaganyaan-1". The Times of India. ISSN 0971-8257. Retrieved 2024-01-06.
  12. ^ Jones, Andrew (2024-08-27). "India to launch Gaganyaan crew capsule test flight by end of 2024". Space.com. Retrieved 2024-08-27.
  13. ^ "Mission Gaganyaan: Better safe than starry". The Economic Times. 2022-05-18. ISSN 0013-0389. Retrieved 2024-01-06.
  14. ^ "First trial for Gaganyaan to be done by end of 2023, or beginning of 2024: Jitendra Singh". The Times of India. 2022-09-13. ISSN 0971-8257. Retrieved 2024-01-06.
  15. ^ Kuthunur, Sharmila (2024-02-27). "India completes critical test for Gaganyaan flight crewed by humanoid robot later this year". space.com. Retrieved 2024-02-28.
  16. ^ a b "Docking test likely before Dec 15; Gaganyaan G1: Vyomitra on 1 seat, ECLSS on 2nd, rocket gets new cryo stage". The Times of India. ISSN 0971-8257. Retrieved 2024-10-14.

Bibliography

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