What is "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.