PSLV-C51

The PSLV-C51[3] is the 53rd mission of the Indian Polar Satellite Launch Vehicle (PSLV) program. The Polar Satellite Launch Vehicle (PSLV)-C51 was launched at 04:54 (UTC) / 10:24 (IST) on 28 February 2021 with the main payload from Brazil, INPE's Amazônia-1[4][5] and 18 other ride-sharing small satellites.[6][7][8][9] This is the first dedicated commercial launch executed by NSIL.[10]

PSLV-C51
PSLV-DL C51 lifting off from First launch pad
PSLV-DL launch
Launch28 February 2021 (2021-02-28), 03:54:00 UTC
PadSriharikota First
PayloadBrazil Amazônia-1
India Satish Dhawan Sat[1]
India JITsat
India GHRCEsat
India Sri Shakthi Sat
United States SpaceBEE (×12)[2]
Mexico SAI-I - Nanoconnect-2
India SindhuNetra
PSLV launches

Details

The PSLV-C51 was launched from the First Launch Pad of the Satish Dhawan Space Centre in Sriharikota, Andhra Pradesh,India. The PSLV C51 rocket carried primary payload, Amazônia-1 and 18 secondary payloads[7] like SDSat and three UnitySats[11](JITsat, GHRCEsat, Sri Shakthi Sat) etc.

It was the third flight of PSLV-DL,[3] having 2 strap-on boosters and placed the payloads in sun-synchronous orbits.[12]

Private sector company Ananth Technologies worked with ISRO on the PSLV-C51 mission. The company conducted stage integration and checkout on the mission, marking the first time that ISRO had contracted a private sector company to undertake the task.[13][14]

Launch schedule

The launch was originally scheduled for 22 February 2021, but was delayed to 28 February owing to delays in assembly of the rocket.[15]

Mission overview


The PSLV C51 rocket has four stages; each one was self-contained, with its own propulsion system, thereby capable of functioning independently. The first and third stages used composite solid propellants, while the second and fourth stage use earth-storable liquid propellant.

References
  1. "PSLV-C51 is scheduled to launch Amazonia-1 and 18 Co-passenger saitellites on February 28, 2021 from Satish Dhawan Space Centre SHAR". ISRO. 5 February 2021.
  2. "Amazonia 1 - Evolução da Campanha de Lançamento". Retrieved 22 February 2021.
  3. "PSLV". Space.skyrocket.de. Retrieved 21 January 2021.
  4. "Satélite Amazônia-1 começa a ser fechado para a realização de testes ambientais". inpe.br (in Brazilian Portuguese). Retrieved 23 February 2020.
  5. "Satélite de monitoramento da Amazônia deverá ser lançado em fevereiro" (in Brazilian Portuguese). Governo do Brasil. Retrieved 26 July 2020.
  6. "Satélite Amazônia 1, primeiro totalmente feito no Brasil, é lançado ao espaço". G1 (in Brazilian Portuguese). Retrieved 2021-02-28.
  7. "PSLV C51 presskit" (PDF). Archived from the original (PDF) on 23 February 2021. Retrieved 23 February 2021.
  8. "Lançamento do satélite Amazonia 1 adiado para o dia 28 de fevereiro". www.inpe.br (in Brazilian Portuguese). Retrieved 2021-01-14.
  9. "Next PSLV launch to carry 3 satellites made by Indian start-ups". Hindustan Times. 2020-12-17. Retrieved 2020-12-18.
  10. "2021 to be year of Chandrayaan-3, says FM, allocates Rs 4,000 cr for oceans". Business Standard. 1 February 2021.
  11. "Brazilian, Indian startup satellite in ISRO's first mission in 2021". Retrieved 6 February 2021.
  12. "ISRO to kick off 2021 by launching its first Indian start-up passenger into space aboard the PSLV-C51". Business Insider. 17 December 2020.
  13. "PSLV launch brings cheer to aerospace firm". The Hindu. 1 March 2021. Retrieved 4 November 2021.
  14. "Hyderabad-based firm helped in ISRO satellite launch". The New Indian Express. Retrieved 4 November 2021.
  15. "Lançamento do satélite Amazonia 1 adiado para o dia 28 de fevereiro". 14 January 2021. Archived from the original on 27 January 2021. Retrieved 5 February 2021.
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