SES-4

SES-4
Start date	February 14, 2012, 19:36 UTC
Launcher	Proton / Bris-M
Launch site	Baikonur
COSPAR-ID :	2012-007A
Mass in orbit	6,180 kg
Manufacturer	Space Systems / Loral
Satellite bus	SSL FS 1300
lifespan	15 years
Stabilization	Three-axis
operator	SES World Skies
Playback information
Transponder	52 C-band and 72 Ku-band
Bandwidth	36 MHz
EIRP	C-band: 41.7 to 36.6 dBW Ku-band: 53.4 to 50.0 dBW
Others
Electrical power	20 kW EOL
position
First position	42 ° west
List of geostationary satellites

SES-4 (NSS 14) is a commercial communications satellite owned by SES World Skies .

He should NSS-7 to replace and was 15 February 2012 at 1:36 pm local time (20:36 CET, 14 February), a carrier rocket Proton / Briz-M from the rocket launch site Baikonur into a geostationary brought orbit. Nine hours and twelve minutes after the start of the mission, the Briz-M upper level released him directly into a geostationary transfer orbit. The launch was actually planned for December 26, 2011, but was postponed after problems with the proton missile's avionics system.

The three-axis stabilized satellite with 52 C-band - and 72 Ku-band - transponder equipped and to the position 338 ° East in the C-band, the eastern hemisphere (Europe, Africa and the entire region of North to South America) as well as global mobile and supplying maritime customers. Four regional Ku-band spots provide services for Europe, the Middle East, West Africa as well as North and South America and offer the possibility to switch between C-band and Ku-band transponders. It was built on the basis of the SSL 1300 satellite bus from Space Systems / Loral and has a planned service life of 15 years.

Web links

• ILS: Mission Overview (PDF; 1.3 MB)
• SSL: SES-4

Individual evidence

1. ↑ ILS: SES-4
2. ↑ InfoSat: New SES-4 satellite successfully launched in third attempt , February 15, 2012
3. ↑ New start for the launch of SES-4: start date on February 14th
4. ↑ SES: SES-4