Inmarsat-4 F3
Operator | Inmarsat |
---|---|
COSPAR ID | 2008-039A |
SATCAT no. | 33278 |
Spacecraft properties | |
Bus | Eurostar E3000 |
Manufacturer | EADS Astrium |
Launch mass | 5,960 kilograms (13,140 lb) |
Start of mission | |
Launch date | 18 August 2008 (2008-08-18) |
Rocket | Proton-M/Briz-M |
Launch site | Baikonur 200/39 |
Contractor | ILS |
Entered service | 7 January 2009 |
Orbital parameters | |
Reference system | Geocentric |
Regime | Geostationary |
Longitude | 98° West |
Inmarsat-4 F3 is a communications I-4 satellite operated by the British satellite operator Inmarsat. It was launched into a geosynchronous orbit at 22:43 GMT on 18 August 2008,[1] by a Proton-M/Briz-M Enhanced carrier rocket. It is currently located at 97.65° West longitude, providing coverage of the Americas.[2] It entered service on 7 January 2009.
Like the earlier Inmarsat-4 F1 and F2 satellites, Inmarsat-4 F3 was constructed by EADS Astrium, using a Eurostar E3000 bus. It has a mass of 5,960 kilograms, and is expected to operate for 13 years.[3] It was originally slated for launch using an Atlas V 531, but was transferred to Proton due to a large backlog of Atlas launches.
In the United States, Inmarsat ground stations are licensed to operate at 1525-1559 MHz and 1626.5-1660.5 MHz. The 1544-1545 MHz and 1645.5-1646.5 MHz bands are reserved for safety and distress communications.[2]
References
- ^ "ILS PROTON SUCCESSFULLY LAUNCHES INMARSAT-4 F3 SATELLITE". International Launch Services. 2008-08-19. Archived from the original on 2008-09-23. Retrieved 2009-02-15.
- ^ a b "Inmarsat List". US Federal Communications Commission. Archived from the original on March 23, 2014. Retrieved March 22, 2014.
- ^ Krebs, Gunter. "Inmarsat-4". Gunter's Space Page. Retrieved 2009-02-15.
External links
- http://www.inmarsat.com/corporate/our-satellites/index.htm Archived 2013-02-12 at the Wayback Machine
- https://web.archive.org/web/20120927021531/http://www.boeing.com/news/releases/2005/q4/nr_051108s.html
- http://www.as.northropgrumman.com/products/aa_inmarsat/index.html Archived 2012-07-06 at the Wayback Machine
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