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From Wikipedia, the free encyclopedia

Mission typeCommunications
OperatorSES New Skies / SES S.A.
COSPAR ID2012-007A
SATCAT no.38087
Mission duration15 years (planned)
9 years, 4 months, 9 days (elapsed)
Spacecraft properties
ManufacturerSpace Systems/Loral
Launch mass6,180 kg (13,620 lb)
Power20 kW[1]
Start of mission
Launch date14 February 2012, 19:36:37 UTC[2]
RocketProton-M / Briz-M
Launch siteBaikonur, Site 200/39
ContractorKhrunichev State Research and Production Space Center
Entered serviceApril 2012
Orbital parameters
Reference systemGeocentric orbit[3]
RegimeGeostationary orbit
Longitude22° West
Band124 transponders:
52 C-band
72 Ku-band
Bandwidth36 MHz
Coverage areaNorth America, South America, Europe, Middle East, West Africa
← SES-3
SES-5 →

SES-4 is a communications satellite operated by SES World Skies, then by SES S.A.


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]


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]


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


  1. ^ "Display: SES 4 2012-007A". NASA. 5 April 2021. Retrieved 12 April 2021. This article incorporates text from this source, which is in the public domain.
  2. ^ "Launch Log". Jonathan's Space Report. 14 March 2021. Retrieved 12 April 2021.
  3. ^ "SES 4". Retrieved 12 April 2021.
  4. ^ a b c "SES 4". Gunter's Space Page. 11 December 2017. Retrieved 12 April 2021.
This page was last edited on 23 June 2021, at 16:41
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