ViaSat-3

ViaSat-3 is a planned global constellation of three geostationary Ka-band communications satellites, the first of which was launched in 2023.[1] Operated by Viasat, Inc., the satellites are intended to provide broadband connectivity with speeds of 100-plus megabits per second to homes, business and enterprise internet users, commercial, government and business aircraft, as well as government and defense markets, maritime and oceanic enterprises in the Americas, Europe, the Middle East, Africa and Asia-Pacific.[1]

History

The satellites were first announced in 2015. In February 2016, Viasat announced a partnership with Boeing Satellite Systems.[1] For each of the three ViaSat-3 class satellites, Viasat will build the satellite payload and Boeing will provide the 702 satellite bus, system integration and test, launch vehicle integration and mission operations services.[2] Each ViaSat-3 satellite is being manufactured at Viasat's manufacturing facility in Tempe, Arizona and the Boeing Satellite Systems facility in El Segundo, California.[3] The satellites are projected to have a total network capacity over 1 terabit per second.[4]

Satellites

ViaSat-3 satellite constellation
Satellite Region Launch (UTC) Rocket Launch site Status Ref.
VS3 F1 Americas 1 May 2023, 00:26 Falcon Heavy Kennedy, LC-39A In service
VS3 F2 EMEA 1H 2025 Atlas V 551 Cape Canaveral, SLC-41 Planned

[5]

VS3 F3 APAC TBA TBA TBA Planned [6]

The ViaSat-3 constellation consists of three separate satellites, each designed to provide coverage to a global region: ViaSat-3 F1 will cover the Americas; ViaSat-3 F2 will cover Europe, the Middle East and Africa (EMEA); and ViaSat-3 F3 will cover the Asia-Pacific (APAC) regions.[3] However due to technical difficulties with F1 that significantly lowered its capacity, once F2 is launched it will cover the Americas, and F1 will be moved to the EMEA region.[7]

Launch

Viasat has three launch contracts, one for each ViaSat-3 class satellite. In 2016, the company announced plans to launch the first satellite with Arianespace on an Ariane 6 rocket. In 2018, Viasat announced that the second one will be launched with United Launch Alliance on an Atlas V, and the third one with SpaceX on the Falcon Heavy.[8][9][10]

The ViaSat-3 F1 (Americas) and ViaSat-3 F2 (EMEA) satellites at one time were expected to launch about six months apart starting in 2021, with the ViaSat-3 F3 (APAC) satellite projected to launch in the second half of 2022.[11] However, in February, 2021, ViaSat's CEO announced that the company did not expect to launch the first satellite until early 2022. It would then take several months for the satellite to be in full service, because of necessary testing.[12]

By 2023, delays to the inaugural Ariane 6 launch prompted Viasat to cancel their contract with Arianespace and seek bids from other companies to launch the ViaSat-3 APAC satellite.[13]

ViaSat-3 F1 launched on 1 May 2023 aboard a Falcon Heavy rocket, which successfully placed it into a near-geosynchronous orbit in the early hours of 1 May at an altitude of approximately 34,600 kilometers. Deployment of the antenna did not take place in the normal way and the satellite's performance was severely affected.[14][15] Viasat triggered a $420 million claim, a space insurance underwriter described the situation to CNBC as a “market changing event” for the sector.[16] Viasat suffered its biggest one-day loss in share price following the news.[16] In February 2024, Viasat announced that the crippled satellite is expected to enter commercial service in the second quarter of 2024 at less than ten percent of its 1 terabit per second capacity, and that a $421 million insurance claim had been filed.[17]

The ViaSat-3 F2 satellite is currently scheduled to launch in the first half of 2025 on an Atlas V rocket.[18] The ViaSat-3 F3 satellite is expected to launch in late 2024 on a to-be-determined commercial launch vehicle.[13]

References

  1. ^ a b c Sean O'Kane (10 February 2016). "New 1-Terabit internet satellites will deliver high-speed internet to remote areas". The Verge. Retrieved 15 September 2020.
  2. ^ Veronica Magan (19 December 2016). "ViaSat, Boeing Complete Preliminary Design Review for ViaSat 3 Satellites". Satellite Today. Retrieved 15 September 2020.
  3. ^ a b Caleb Henry (19 June 2019). "Supplier issue behind delays with first ViaSat-3 launch". Space News. Retrieved 15 September 2020.
  4. ^ "ViaSat 3 Americas, Asia, EMEA". Gunther's Space Page. Retrieved 15 September 2020.
  5. ^ "Atlas V 551 | ViaSat-3 F2". nextspaceflight.com. Retrieved 21 October 2024.
  6. ^ "Ariane 64 | ViaSat-3 Asia-Pacific". nextspaceflight.com. Retrieved 21 October 2024.
  7. ^ Rainbow, Jason (7 February 2024). "Viasat preparing to start services from hobbled ViaSat-3 satellite". SpaceNews. Retrieved 9 November 2024.
  8. ^ Caleb Henry (8 February 2019). "Viasat orders Asia Pacific ViaSat-3 from Boeing amid record revenue". SpaceNews. Retrieved 15 September 2020.
  9. ^ Caleb Henry (25 October 2018). "Viasat books Falcon Heavy for ViaSat-3 launch". SpaceNews. Retrieved 15 September 2020.
  10. ^ Caleb Henry (10 September 2018). "Viasat books ULA Atlas 5 for a ViaSat-3 satellite launch". SpaceNews. Retrieved 15 September 2020.
  11. ^ Caleb Henry (9 August 2019). "Viasat starts ViaSat-4 development, mulls hybrid GEO-LEO-terrestrial connections". SpaceNews. Retrieved 15 September 2020.
  12. ^ "Viasat Pushes ViaSat-3 Satellite Launch to 2022 - Via Satellite -". 4 February 2021.
  13. ^ a b Clark, Stephen (30 April 2023). "Viasat seeks replacement for Ariane 6 for launch of third ViaSat 3 satellite". Spaceflight Now. Retrieved 17 September 2023.
  14. ^ "Viasat Provides Status Update on ViaSat-3 Americas Satellite". viasat.com. 12 July 2023. Retrieved 17 July 2023.
  15. ^ Oguh, Chibuike (13 July 2023). "Viasat shares near record daily plunge after satellite fails to deploy". Reuters.
  16. ^ a b Sheetz, Michael (12 July 2023). "Viasat stock plunges after company discloses malfunction in new satellite". CNBC. Retrieved 13 July 2023.
  17. ^ Rainbow, Jason (6 February 2024). "Viasat preparing to start services from hobbled ViaSat-3 satellite". SpaceNews. Retrieved 7 February 2024.
  18. ^ "Viasat Shareholder Letter: Q3 Fiscal Year 2024 Financial Results". Viasat. 6 February 2024. Retrieved 7 February 2024.

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