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NEXTAR

NEXTAR (from NEC Next Generation Star) is a Low Earth orbit Earth observation satellite bus designed and manufactured by NEC Space Systems of Japan. This three axis stabilized platform has a bus dry mass of , it can carry payloads up to and 600 W. It uses tri-junction GaAs has an expected life between 3 and 5 years.

Its telemetry and control subsystem includes S band and X band channels.