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HORUS or STARE (Space-Based Telescopes for Actionable Refinement of Ephemeris) are a series of three-unit CubeSats (called 3U CubeSats) equipped with optical imaging payloads, that will demonstrate the main elements of a new concept for tracking orbiting space debris.

STARE is a project of the Lawrence Livermore National Laboratories. The STARE satellites are using the Boeing-built Colony II bus developed under a contract with the National Reconnaissance Office (NRO).

Alternate Names

  • 39397

Facts in Brief

Launch Date: 2013-11-20
Launch Vehicle: Minotaur 1
Launch Site: Wallops Island, United States
Mass: 4 kg

Funding Agencies

  • Unknown (United States)
  • United States Air Force Academy (United States)


  • Other
  • Technology Applications

Additional Information

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

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