SES-4

SES-4 is a communications satellite operated by SES World Skies (now SES).

SES-4

Names	NSS-14
Mission type	Communications
Operator	SES New Skies / SES
COSPAR ID	2012-007A
SATCAT no.	38087
Website	https://www.ses.com/
Mission duration	15 years (planned) 13 years, 5 months, 9 days (elapsed)
Spacecraft properties
Spacecraft	NSS-14
Bus	SSL-1300
Manufacturer	Space Systems/Loral
Launch mass	6,180 kg (13,620 lb)
Power	20 kW[1]
Start of mission
Launch date	14 February 2012, 19:36:37 UTC[2]
Rocket	Proton-M / Briz-M
Launch site	Baikonur, Site 200/39
Contractor	Khrunichev State Research and Production Space Center
Entered service	April 2012
Orbital parameters
Reference system	Geocentric orbit[3]
Regime	Geostationary orbit
Longitude	22° West
Transponders
Band	124 transponders: 52 C-band 72 Ku-band
Bandwidth	36 MHz
Coverage area	North America, South America, Europe, Middle East, West Africa
SES constellation ← SES-3 SES-5 →

Spacecraft

SES-4 was built by Space Systems/Loral (SSL), and is based on the SSL-1300 satellite bus. It is equipped with 52 C-band, and 72 Ku-band transponders, and at launch it had a mass of 6,180 kg (13,620 lb). It has a design life of fifteen years.^[4]

Launch

It was launched on 14 February 2012, at 19:36:37 UTC on a Proton-M / Briz-M launch vehicle, the launch was arranged by International Launch Services (ILS), since Baikonour, Site 200/39.^[4]

Mission

It is positioned at 22° West orbital location over Atlantic Ocean, replacing NSS-7.^[4]