SES-3

SES-3 is a communications satellite operated by SES World Skies, then by SES S.A.

SES-3
NamesAMC ground spare
OS-2
Mission typeCommunications
OperatorSES Americom / SES S.A.
COSPAR ID2011-035A
SATCAT no.37748
Websitehttps://www.ses.com/
Mission duration15 years (planned)
10 years, 9 months, 5 days (elapsed)
Spacecraft properties
SpacecraftAMC ground spare
Spacecraft typeGEOStar-2
BusStar-2.4
ManufacturerOrbital Sciences Corporation
Launch mass3,112 kg (6,861 lb)
Power5 kW
Start of mission
Launch date15 July 2011, 23:16:10 UTC[1]
RocketProton-M / Briz-M
Launch siteBaikonur, Site 200/39
ContractorKhrunichev State Research and Production Space Center
Entered serviceSeptember 2011
Orbital parameters
Reference systemGeocentric orbit[2]
RegimeGeostationary orbit
Longitude103° West
Transponders
Band48 transponders:
24 C-band
24 Ku-band
Bandwidth36 MHz
Coverage areaNorth America
 

Spacecraft

SES-3 was built by Orbital Sciences Corporation (OSC), and is based on the Star-2.4 satellite bus. It is equipped with 24 C-band, and 24 Ku-band transponders, and at launch it had a mass of 3,112 kg (6,861 lb). It has a design life of fifteen years, however it was launched with enough fuel to operate for at least sixteen years, if its systems are still functional.[3]

Launch

It was launched on 15 July 2011 at 23:16:10 UTC on a Proton-M / Briz-M launch vehicle, the launch was arranged by International Launch Services (ILS), since Baikonour, Site 200/39 alongside the KazSat-2 satellite.

Mission

It is positioned at 103.0° West orbital location over North America, replacing AMC-1. Clients include E. W. Scripps Company, In Demand, Pay-per-view, Ion Television, Mood Media, NBC and QVC.[4]

References
  1. McDowell, Jonathan. "Launch Log". Jonathan's Space Report. Retrieved 30 October 2013.
  2. "SES 3". N2YO.com. Retrieved 11 April 2021.
  3. Krebs, Gunter (11 December 2017). "SES 1, 2, 3". Gunter's Space Page. Retrieved 11 April 2021.
  4. "SES 3 at 103.0° W". LyngSat.
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