User Manual
Orbital Sciences Corporation
45101 Warp Drive
•
Dulles, Virginia 20166
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www.orbital.com
©2014 Orbital Sciences Corporation FS009_06_2998
AMC-21
Specications
Spacecraft
Launch Mass: 2,500 kg (5,511 lb.)
Solar Arrays: Four panels per array
Stabilization: 3-axis stabilized; zero momentum system
Propulsion: 12 0.9N REA thrusters, IMPEHTs for NSSK
Batteries: Li-Ion 9680 W-Hr total capacity at EOL
Mission Life: 15 years
Orbit: 125° West Longitude
Payload
Ku-band
Repeater: 32-for-24 Ku-band TWTAs
(of which 24 are active)
TWTA Power: 4.4 kW
Antenna: Two 2.3 m dual grid shaped reectors
Launch
Launch Vehicle: Ariane 5
Site: Kourou, French Guiana
Date: August 14, 2008
Coverage Contour Maps
EIRP Contours
Mission Partners
SES
A leading U.S.-based satellite operator providing a broad range of
communication services
Orbital Sciences Corporation
Provided STAR-2 spacecraft bus and nal integration, assembly
and test
Thales Alenia Space
Prime contractor and payload supplier
Arianespace
Launch provider
GT Contours