Galaxy (satellite)

Short description: Family of communications satellites operated by Intelsat

For the prototype space station, see Galaxy (spacecraft). For other uses, see Galaxy 2 (disambiguation).

Galaxy

Manufacturer| Hughes Aircraft Company,
Boeing Satellite Systems,
Orbital Sciences Corporation,
Space Systems/Loral,
Alcatel Alenia,
Northrop Grumman
Country of origin| United States
Operator| INTELSAT
Applications| Communications
Specifications
Bus| HS-376, HS-601, BSS-702,
STAR-2, SSL 1300, GEOStar-3
Regime| Geostationary orbit
Production
Status| In service
Launched| 39
Operational| 21
Retired| 14
Failed| 3
Maiden launch| 28 June 1983
Last launch| 3 August 2023

The Galaxy series is a family of communications satellites originally developed and operated by Hughes Communications. It has since merged with PanAmSat and is now owned and operated by Intelsat. As one of the earliest geostationary satellites, Galaxy 1 was launched on 28 June 1983. The latest one, Galaxy 37, was launched on 3 August 2023.

Satellite  | Manufacturer  | Launch Vehicle  | Launch Date  | Launch Site  | State  | Orbital position  | Notes

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Galaxy 1 | Hughes Aircraft Company | Delta (3920)  | 28 June 1983  | Cape Canaveral Air Force Station , LC-17B  | Retired on 1 May 1994  | 141.0° West  |
Galaxy 1R  | Hughes Aircraft Company | Atlas I | 22 August 1992  | Cape Canaveral Air Force Station , LC-36B  | Launch failure  | N/A  |
Galaxy 1R2 | Hughes Aircraft Company | Delta II (7925-8)  | 19 February 1994  | Cape Canaveral Air Force Station , LC-17B  | Retired on 7 March 2006  | 105.0° West  | Also called Galaxy 1RR
Galaxy 2  | Hughes Aircraft Company | Delta (3920)  | 22 September 1983  | Cape Canaveral Air Force Station , LC-17A  | Retired in May 1994  | 43.0° West  |
Galaxy 3  | Hughes Aircraft Company | Delta (3920)  | 21 September 1984  | Cape Canaveral Air Force Station , LC-17B  | Retired in October 1995  | 38.0° West  |
Galaxy 3R  | Hughes Aircraft Company | Atlas 2A | 15 December 1995  | Cape Canaveral Air Force Station , LC-36A  | Failed in orbit in March 2006  | 129.0° West  |
Galaxy 3C  | Hughes Aircraft Company | Zenit-3SL | 15 June 2002  | Sea Launch | Active  | 95.0° West  |
Galaxy 4 | Hughes Aircraft Company | Ariane 42P+ | 25 June 1993  | Kourou, ELA-2  | Failed in orbit in May 1998  | 78.0° East  |
Galaxy 4R | Hughes Aircraft Company | Ariane 42L | 19 April 2000  | Kourou, ELA-2  | Retired in July 2006  | 164.0° East  |
Galaxy 5  | Hughes Aircraft Company | Atlas I | 14 March 1992  | Cape Canaveral Air Force Station , LC-36B  | Retired in January 2005  | 176.0° East  |
Galaxy 6  | Hughes Aircraft Company | Ariane 4L | 12 October 1990  | Kourou, ELA-2  | Retired in February 2003  | 145.0° West  |
Galaxy 7  | Hughes Aircraft Company | Ariane 42P+ | 28 October 1992  | Kourou, ELA-2  | Failure in orbit in November 2000 | 96.0° West  |
Galaxy 8i  | Hughes Aircraft Company | Atlas 2AS | 8 December 1997  | Cape Canaveral Air Force Station , LC-36B  | Retired in October 2002  | 30.0° East  |
Galaxy 8iR | Hughes Aircraft Company | Zenit-3SL | N/A  | N/A  | N/A  | N/A  | Cancelled[1]
Galaxy 9  | Hughes Aircraft Company | Delta II (7925)  | 23 May 1996  | Cape Canaveral Air Force Station , LC-17B  | Retired  | 176.0° West  |
Galaxy 10  | Hughes Aircraft Company | Delta III 8930  | 27 August 1998  | Cape Canaveral Air Force Station , LC-17B  | Launch failure  | N/A  |
Galaxy 10R  | Hughes Aircraft Company | Ariane 42L | 25 January 2000  | Kourou, ELA-2  | Retired in June 2008  | 175.0° West  |
Galaxy 11  | Hughes Aircraft Company | Ariane 44L | 22 December 1999  | Kourou, ELA-2  | Active  | 44.0° East  |
Galaxy 12  | Orbital Sciences Corporation | Ariane 5 G | 9 April 2003  | Kourou, ELA-3  | Active  | 129.0° West  | With INSAT-3A
Galaxy 13 | Hughes Aircraft Company | Zenit-3SL | 1 October 2003  | Sea Launch | Active  | 127.0° West  | Horizons-1
Galaxy 14  | Orbital Sciences Corporation | Soyuz-FG | 13 August 2005  | Baikonur, Site 31/6  | Active  | 125.0° West  |
Galaxy 15 | Orbital Sciences Corporation | Ariane 5 GS | 13 October 2005  | Kourou, ELA-3  | Active (failure in orbit in April 2010, resolved in 2011)  | 133.0° West  | Launched join with Syracuse 3A
Galaxy 16  | Space Systems/Loral | Zenit-3SL | 18 June 2006  | Sea Launch | Active  | 99.0° West  |
Galaxy 17 | Alcatel Alenia Space  | Ariane 5 ECA | 4 May 2007  | Kourou, ELA-3  | Active  | 91.0° West  | Launched with Astra 1L
Galaxy 18 | Space Systems/Loral | Zenit-3SL | 21 May 2008  | Sea Launch | Active  | 123.0° West  |
Galaxy 19 | Space Systems/Loral | Zenit-3SL | 24 September 2008  | Sea Launch | Active  | 97.0° West  | Ex-Intelsat Americas 9 (IA 9)
Galaxy 23 | Space Systems/Loral | Zenit-3SL | 8 August 2003  | Sea Launch | Active  | 121.0° West  | Ex-Telstar 13
Galaxy 25 | Space Systems/Loral | Proton-K | 24 May 1997  | Baikonur, Site 81/23  | Active  | 93.0° West  | Ex-Telstar 5
Galaxy 26 | Space Systems/Loral | Proton-K | 15 February 1999  | Baikonur, Site 81/23  | Retired on 7 June 2014  | 31.0° West  | Ex-Telstar 6
Galaxy 27 | Space Systems/Loral | Ariane 4 | 25 September 1999  | Kourou, ELA-2  | Active  | 109.0° East  | Ex-Telstar 7
Galaxy 28 | Space Systems/Loral | Zenit-3SL | 23 June 2005  | Sea Launch,
Pacific Ocean | Active  | 89.0° West  | Ex-Intelsat Americas 8 (IA 8)
Galaxy 30 | Northrop Grumman | Ariane 5 ECA | 15 August 2020  | Kourou, ELA-3  | Active  | 125.0° West  | Launched with MEV-2 and BSAT-4b
Galaxy 31  | Maxar Technologies | Falcon 9 Block 5 | 12 November 2022  | Cape Canaveral, SLC-40  | Active  | 121.0° West  | Launched with Galaxy 32
Galaxy 32  | Maxar Technologies | Falcon 9 Block 5 | 12 November 2022  | Cape Canaveral, SLC-40  | Active  | 91.0° West  | Launched with Galaxy 31
Galaxy 33 | Northrop Grumman | Falcon 9 Block 5 | 8 October 2022  | Cape Canaveral, SLC-40  | Active  | 133.0° West  | Launched with Galaxy 34
Galaxy 34  | Northrop Grumman | Falcon 9 Block 5 | 8 October 2022  | Cape Canaveral, SLC-40  | Active  | 129.0° West  | Launched with Galaxy 33
Galaxy 35  | Maxar Technologies | Ariane 5 ECA | 13 December 2022  | Kourou, ELA-3  | Active  | 95.0° West  | Launched with Galaxy 36 and MTG-I1
Galaxy 36  | Maxar Technologies | Ariane 5 ECA | 13 December 2022  | Kourou, ELA-3  | Active  | 89.0° West  | Launched with Galaxy 35 and MTG-I1
Galaxy 37  | Maxar Technologies | Falcon 9 Block 5 | 3 August 2023  | Cape Canaveral, SLC-40  | Active  | 127.0° West  | Also known as Horizons-4

## References

1. ↑ On 15 November 2002, PanAmSat terminated its contract with Boeing Satellite Systems for the Galaxy 8iR satellite that was almost completed, claiming that Boeing did not comply with the terms of the contract, and requested US$72 million from Boeing to repay previous advances and other costs. The satellite was later converted to the ProtoStar 2 satellite, which was released in 2009, and was acquired that same year by SES which renamed it to SES-7.

## External sources

* Program: Galaxy. Objective: Communications. Overview: Television broadcast satellite at archive.org

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