Westar 4, 5 & 6's specifications


Prime contractor Hughes
Platform HS-376
Mass at launch 1100 kg
Mass in orbit 585 kg
Diameter 2.16 m
Height 2.74 m (6.6 m deployed)
Stabilization Spin stabilized (50 rpm)
DC power BOL: 820 W
EOL: 700 W
Design lifetime 10 years
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