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SOCRATES (Space Optical Communications Research Advanced Technology Satellite) is a microsatellite developed by NICT (National Institute of Information and Communications Technology), Koganei, Tokyo, Japan. The mission is to demonstrate and validate the operation of SOTA (Small Optical Transponder), a laser communication system in space for microsatellites and eventually in nanosatellites.

Alternate Names

  • 39768

Facts in Brief

Launch Date: 2014-05-24
Launch Vehicle: H-2A
Launch Site: Tanegashima, Japan
Mass: 48 kg

Funding Agency

  • Unknown (Japan)


  • Earth Science

Additional Information

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

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