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GSAT-20

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GSAT-20
Mission typeCommunication
OperatorNew Space India Limited[1][2]
Mission duration15 years (estimated)
Spacecraft properties
BusI-3K Bus
ManufacturerISRO Satellite Centre
Space Applications Centre
Launch mass4700 kg
Power2solar arraybatteries
Start of mission
Launch dateAugust 2024 (planned)[3]
RocketFalcon 9 Block 5[4]
Launch siteCC,
SLC-40/LC-39A
ContractorSpaceX
Orbital parameters
Reference systemGeocentric
RegimeGeostationary
Longitude55° East[citation needed]

GSAT-20(also known asCMS-03orGSAT-N2)is a communication satellite being developed by Indian Space Research Organisation[5]and will be launched by aSpaceXFalcon 9.[6]The GSAT-20 satellite is funded, owned and operated byNew Space India Limited.[7]The entire capacity onboard CMS-02 satellite will be leased toDish TV.[8][9]GSAT-20 will be a continuation ofGSATseries of communication satellites. The satellite is intended to add data transmission capacity to the communication infrastructure required bySmart Cities Missionof India.

Payload[edit]

The satellite features a Ka-band high-throughput communications payload with 70 Gbit/s[10]throughput utilizing 40 beams offering HTS capacity of nearly 48Gpbs.[11]Each beam will have 2 polarisations, effectively making them 80 beams.[12]

Launch[edit]

The satellite was initially expected to be launched in 2024 on anLVM 3,[3][13][14]but shifted toFalcon 9due to the satellite being 700 kg overweight for a successful launch on indigenous platforms.[15]

Hence, the commercial arm of ISRO,New Space India Limitedhas signed a contract withSpaceXfor a possible liftoff in the second quarter of 2024. TheSpaceXdeal also signifies a significant as till now India had relied heavily on theFranceledArianespaceconsortium to launch its the heavycommunication satellites,particularly on the now retiredAriane 5,which ISRO was hoping as a backup. The fact that the next few launches of theAriane 6,its successor having been both booked and delayed for launch, ISRO turned toSpaceX.India's own rockets lack the capacity for launching very heavy satellites to thegeostationary orbitbeyond 4 ton class, a problem that is planned to be fixed with the introduction of theNGLV.[16][17]

See also[edit]

References[edit]

  1. ^Kumar, Chethan (18 February 2021)."Space PSU NSIL to launch satellite for TataSky".The Times of India.Retrieved22 February2021.
  2. ^"Annual Report 2017-18, Department of Space".ISRO.gov.in.Department of Space, Government of India. Archived fromthe originalon 14 February 2018.Retrieved13 February2018.
  3. ^ab"ISRO planning to launch second development SSLV flight in Feb: S Somanath".Mint.4 January 2023.Retrieved6 January2023.To facilitate in-flight connectivity for automobile services using the Ka-band the space agency is planning to launch the GSAT-20 high throughput satellite next year.
  4. ^"Falcon 9 Block 5 - GSAT-20".nextspaceflight.Retrieved2 January2024.
  5. ^D.S, Madhumathi (1 May 2017)."GSAT-9 heralds cost-saving electric propulsion".The Hindu.Bengaluru. The Hindu.Retrieved27 May2017.
  6. ^"Falcon 9 Block 5 - GSAT-20".nextspaceflight.Retrieved2 January2024.
  7. ^"News | NSIL".nsilindia.co.in.Retrieved2 January2024.
  8. ^Kumar, Chethan (18 February 2021)."Space PSU NSIL to launch satellite for TataSky".The Times of India.Retrieved22 February2021.
  9. ^"Space PSU NSIL to launch GSAT-20 on SpaceX's Falcon 9 this year".The Times of India.3 January 2024.ISSN0971-8257.Retrieved3 January2024.
  10. ^Nair, Avinash (17 May 2017)."ISRO's GSAT-trio to usher in high-speed internet era".The Indian Express.Ahmedabad.Retrieved27 May2017.
  11. ^"GSAT-20".space.skyrocket.de.Retrieved27 May2017.
  12. ^Vasudeva, Akshay (22 May 2017)."India to enter high-speed internet era with Isro's new satellites".India: mi. Archived fromthe originalon 21 January 2018.Retrieved27 May2017.
  13. ^"Coming soon, higher internet speeds".@businessline.Retrieved16 November2018.
  14. ^"Annual Report 2018"(PDF).ISRO. Archived fromthe original(PDF)on 28 May 2019.Retrieved28 May2019.
  15. ^"Falcon 9 Block 5 | GSAT-20".nextspaceflight.Retrieved2 January2024.
  16. ^"In A 1st, India To Launch Its Big Communications Satellite On SpaceX Rocket".NDTV.Retrieved3 January2024.
  17. ^Bureau, The Hindu (3 January 2024)."ISRO's commercial arm to launch GSAT-20 satellite on SpaceX's Falcon-9 in 2024".The Hindu.ISSN0971-751X.Retrieved3 January2024.
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