SES-3

Overview

SES-3

names list	AMC ground spare OS-2
mission type	Communications
operator	SES Americom / SES
cospar id	2011-035A
satcat	37748
website	https://www.ses.com/
mission duration	15 years (planned) (elapsed)
spacecraft	AMC ground spare
spacecraft type	GEOStar-2
spacecraft bus	Star-2.4
manufacturer	Orbital Sciences Corporation
launch mass	3112 kg
power	5 kW
launch date	15 July 2011, 23:16:10 UTC‡R1R‡
launch rocket	Proton-M / Briz-M
launch site	Baikonur, Site 200/39
launch contractor	Khrunichev State Research and Production Space Center
entered service	September 2011
orbit reference	Geocentric orbit‡R2R‡
orbit regime	Geostationary orbit
orbit longitude	103° West
apsis	gee
trans band	48 transponders: 24 C-band 24 Ku-band
trans bandwidth	36 MHz
trans coverage	North America
programme	SES constellation
previous mission	SES-2
next mission	SES-4

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 3112 kg. 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

SES-3

Spacecraft

Launch

Mission

References