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ETS 3 (Kiku 4)


ETS 3 (Engineering Test Satellite 3) was launched by Japan. The satellite nickname is Kiku-4. Objectives were to test the 3-axis attitude control function, solar array paddle deployment, thermal control, and instrument functions.

Nation: Japan
Type / Application: Technology
Operator: NASDA
Power: 2 deployable solar arrays, batteries
Mass: 385 kg
Orbit: 964 km × 1234 km, 45
Satellite COSPAR Date LS Launch Vehicle Remarks
ETS 3 (Kiku 4) 1982-087A 03.09.1982 Ta LP-N N-1