SES-3

SES-3

Names	AMC ground spare OS-2
Mission type	Communications
Operator	SES Americom / SES
COSPAR ID	2011-035A
SATCAT no.	37748
Website	https://www.ses.com/
Mission duration	15 years (planned) 13 years, 4 months, 17 days (elapsed)
Spacecraft properties
Spacecraft	AMC ground spare
Spacecraft type	GEOStar-2
Bus	Star-2.4
Manufacturer	Orbital Sciences Corporation
Launch mass	3,112 kg (6,861 lb)
Power	5 kW
Start of mission
Launch date	15 July 2011, 23:16:10 UTC
Rocket	Proton-M / Briz-M
Launch site	Baikonur, Site 200/39
Contractor	Khrunichev State Research and Production Space Center
Entered service	September 2011
Orbital parameters
Reference system	Geocentric orbit
Regime	Geostationary orbit
Longitude	103° West
Transponders
Band	48 transponders: 24 C-band 24 Ku-band
Bandwidth	36 MHz
Coverage area	North America
SES constellation

| SES-3 is a communications satellite operated by SES Americom (later SES World Skies. Now, SES).

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.

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.