Inmarsat-4 F1 Explained

Spacecraft Bus:Eurostar E3000
Manufacturer:EADS Astrium
Launch Mass:5959kg (13,137lb)
Launch Rocket:Atlas V
Launch Site:Cape Canaveral Space Launch Complex 41
Operator:Inmarsat

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. By 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

Notes and References

  1. News: Our coverage - Inmarsat. Inmarsat. 2017-05-05. en-US.
  2. Web site: Inmarsat-4 F1, 2, 3. space.skyrocket.de. 2017-05-05.
  3. Web site: I-4 F1 update . 2023-05-05 . Inmarsat Corporate Website . en.