Inmarsat-4 F1 is a communications I-4 satellite operated by the British satellite operator Inmarsat. It was launched into a geosynchronous orbit at 21:42 GMT on 11 March 2005 from Space Launch Complex 41 at Cape Canaveral, Florida, onboard an Atlas V in the 431 configuration. It is currently located at 143.5 degrees East.[1]
Inmarsat-4 F1 was constructed by EADS Astrium, using a Eurostar E3000 bus. It has a mass of 5959 kg and is expected to operate for 13 years[2]
On 17 February 2018 Inmarsat-4 F1 experienced outage due to loss of attitude control.
On 17 April 2023 Inmarsat-4 F1 suffered a partial loss of power from one of its solar arrays, resulting in an "extended outage" which affected all services provided by the satellite. I-4 F1's payload was brought back online by April 18.[3]
External links
- 1) http://space.skyrocket.de/doc_sdat/inmarsat-4.htm
- 2) http://www.inmarsat.com/about-us/our-satellites/our-coverage/
- 3) http://www.as.northropgrumman.com/products/aa_inmarsat/index.html
References
- Our coverage - Inmarsat Inmarsat, retrieved 2017-05-05^
- Inmarsat-4 F1, 2, 3 space.skyrocket.de, retrieved 2017-05-05^
- I-4 F1 update Inmarsat Corporate Website, retrieved 2023-05-05^