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The Colorado Student Space Weather Experiment (CSSWE) is an NSF-funded 3U CubeSat (30×10×10 cm) which houses an energetic particle telescope. Its primary objective is to measure the directional differential flux of Solar Energetic Protons (SEPs) and Earth’s radiation belt electrons.

Alternate Names

  • 38761

Facts in Brief

Launch Date: 2012-09-13
Launch Vehicle: Atlas V 401
Launch Site: Vandenberg AFB, United States
Mass: 4 kg

Funding Agency

  • National Science Foundation (United States)


  • Space Physics

Additional Information

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

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