SES-5

SES-5 (also known as Sirius 5 and Astra 4B) is a commercial geostationary communication satellite operated by SES S.A.. It was launched on 9 July 2012. The launch was arranged by International Launch Services (ILS).

SES-5
Mission typeCommunication
OperatorSES S.A.
COSPAR ID2012-036A
SATCAT no.38652
Websitehttps://www.ses.com/
Mission duration15 years
Spacecraft properties
BusLS-1300
ManufacturerSpace Systems/Loral
Launch mass6008 kg
Start of mission
Launch date9 July 2012, 18:38:30 UTC
RocketProton-M / Briz-M
Launch siteBaikonur, Site 81/24
ContractorKhrunichev
Orbital parameters
Reference systemGeocentric orbit
RegimeGeostationary orbit
Longitude5.0° East
Transponders
Band24 C-band
36 Ku-band
BandwidthC-band: 36 MHz
Ku-band: 33-36 MHz
Coverage areaSub-Saharan Africa
North Africa
Europe
Middle East
Atlantic Ocean
 

History

Sirius 5 was the original name of the SES-5 satellite. SES-5 that was launched on 9 July 2012 and is now co-located with Astra 4A (Sirius 4) at 5.0° East. This satellite provides a similar European and African coverage as Astra 4A. When ordered by the SES Sirius AB (Nordic Satellite AB) of Sweden in October 2008, the name of the satellite was Sirius 5. SES Sirius was acquired by SES in 2010 and the company was named SES Astra (a subsidiary of SES). This led to the satellite being renamed to Astra 4B in 2010. The name was changed to SES-5 in 2011.

Spacecraft

It was constructed by Space Systems/Loral, and is based on the LS-1300 satellite bus. It carries 24 C-band and 36 Ku-band transponders. It covers Sub-Saharan Africa, North Africa, Europe, Middle East, Atlantic Ocean.[1][2]

SES 5 is also carrying a hosted payload L-band navigation terminal for the executive commission of the 27-nation European Union. The terminal operated as part of the European Geostationary Navigation Overlay Service (EGNOS) system, which provides verification of GPS navigation signals through the use of satellites in geostationary orbit.[3]

See also

References
  1. "SES 5 / Astra 4B". Gunter's Space. Retrieved 9 June 2013.
  2. "SES-5". SES World Skies. Retrieved 9 June 2013.
  3. "Display: SES-5 2012-036A". NASA. 14 May 2020. Retrieved 18 June 2020. This article incorporates text from this source, which is in the public domain.
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