Astra 4B (2010-2011)
Sirius 5 (2008-2010)
|Operator||SES Sirius AB / SES World Skies / SES S.A.|
|Mission duration||15 years (planned)|
8 years, 9 months, 27 days (elapsed)
|Launch mass||6,086 kg (13,417 lb) |
|Start of mission|
|Launch date||9 July 2012, 18:38:30 UTC|
|Rocket||Proton-M / Briz-M|
|Launch site||Baikonur, Site 81/24|
|Contractor||Khrunichev State Research and Production Space Center|
|Entered service||September 2012|
|Reference system||Geocentric orbit|
|Bandwidth||C-band: 36 MHz|
Ku-band: 33-36 MHz
|Coverage area||Atlantic Ocean|
SES-5 (also known as Astra 4B and Sirius 5) 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).
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 World Skies (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.
It was constructed by Space Systems/Loral, and is based on the SSL 1300 satellite bus. It carries 24 C-band and 36 Ku-band transponders. It covers Atlantic Ocean, Sub-Saharan Africa, North Africa, Europe, Middle East.
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 Global Positioning System (GPS) navigation signals through the use of satellites in geostationary orbit.
Sirius 5 was the original name of the SES-5 satellite. SES-5 that was launched on 9 July 2012, at 18:38:30 UTC from Baikonur Cosmodrome, Site 81/24 and is now co-located with Astra 4A (Sirius 4) at 5° East. This satellite provides a similar European and African coverage as Astra 4A.