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NSSDCA ID: 2019-003A


RAPIS 1 (Rapid Innovative Payload Demonstration Satellite 1), also originally known as Innovative technology demonstration satellite 1, is a small demonstration satellite to test new technologies in space.

It tests a lightweight solar cell paddle mechanism to expand five panels in orbit. The size of the expansion is about 2 m × 3 m. It tests two objects: Whether the lightweight solar cell paddle is successfully deployed and wether the power from the solar cell is normally supplied after the paddle is deployed.

Facts in Brief

Launch Date: 2019-01-18
Launch Vehicle: Epsilon
Launch Site: Uchinoura Space Center, Japan

Funding Agency

  • Japan Aerospace Exploration Agency (Japan)


  • Technology Applications

Additional Information

Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office

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