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Amc-21 – Orbital AMC-21 User Manual

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Dulles, Virginia 20166

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©2014 Orbital Sciences Corporation

FS009_06_2998

AMC-21

Specifications

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 reflectors

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 final integration, assembly
and test

Thales Alenia Space

Prime contractor and payload supplier

Arianespace

Launch provider

GT Contours