The GEOStar-3 is a communications satellite spacecraft model made by Northrop Grumman Innovation Systems. GEOStar-3 represents an evolutionary growth from Northrop Grumman Innovation Systems GEOStar-2 platform. The GEOStar-3 Bus can accommodate payloads of up to 800 kilograms and 8,000 watts.[1]

Some changes to the GEOStar-3 bus include increased battery capacity and solar array power, enabling it to provide up to eight kilowatts of power to the payload. The bus can be customized, including compatibility with all commercially available launch vehicles and the option to launch with another spacecraft on certain launch vehicles. In addition to increased payload power, GEOStar-3 also has the option of utilizing electric propulsion, which allows it to complete its fifteen to seventeen year mission life with less fuel.[2]

Satellite Orders

Satellite Country Operator Type Coverage Launch date (GMT) Rocket Changes Status
Al Yah 3 United Arab Emirates Al Yah Satellite Communications Communications 58 Ka-band 25 January 2018 Ariane 5 ECA Active
ASBM 1 Norway Norwegian Space Agency Communications Ka-band, X-band, and EHF payload NET June 2024 Falcon 9 Also known as Inmarsat GX 10A Awaiting launch
ASBM 2 Norway Norwegian Space Agency Communications Ka-band, X-band, and EHF payload NET June 2024 Falcon 9 Also known as Inmarsat GX 10B Awaiting launch
Galaxy 33 United States Intelsat Communications C-band 8 October 2022 Falcon 9 Also known as Galaxy 15R Active
Galaxy 34 United States Intelsat Communications C-band 8 October 2022 Falcon 9 Also known as Galaxy 12R Active
GovSat 1 Luxembourg SES S.A. Military communications X-band, Ka-band 31 January 2018 Falcon 9 Known as SES-16 Active
HYLAS-4 United Kingdom Avanti Communications Communications 66 Ka-band 5 April 2018 Ariane 5 ECA Active
MEV 1 United States Northrop Grumman Innovation Systems Satellite servicing Docking adapter 9 October 2019 Proton-M Phase 4 Active (Docked to Intelsat 901)
MEV 2 United States Northrop Grumman Innovation Systems Satellite servicing Docking adapter 15 August 2020 Ariane 5 ECA Active (Docked to Intelsat 10-02)
MRV (RSGS) United States Northrop Grumman Innovation Systems, DARPA Satellite servicing Docking adapter NET March 2025 Falcon 9 Awaiting launch
SES 18 Luxembourg SES S.A. Communications C-band 17 March 2023 Falcon 9 Active
SES 19 Luxembourg SES S.A. Communications C-band 17 March 2023 Falcon 9 Active

References

  1. ↑ "OSC → Orbital ATK → Northrop Grumman Innovation Systems (NGIS): Star-3 → GeoStar-3". 16 June 2020. Retrieved 16 June 2020.
  2. ↑ "Orbital ATK's Advanced GEOStar-3 Satellites Take Flight in 2018". 2 February 2018. Retrieved 16 June 2020.
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