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Streak (STP-R1)

Streak or STP-R1 is an Defense Advanced Research Projects Agency (DARPA) experimental satellite, which remains largely classified.

Streak is expected to demonstrate technology for future low-earth-orbit satellites and gather information about conditions that could affect future low-earth-orbit spacecraft.

Information released by DARPA indicates Streak is fitted with two instruments:

  • an ion gauge and
  • an atomic oxygen sensor.

The vehicle will characterize the orbital regime, demonstrate operational feasibility from a command and control standpoint and also from a platform perspective for future DoD missions. General Dynamics C4 Systems / Spectrum Astro Space Systems built the craft in Gilbert, Arizona, based on their SA-200HP platform.

Streak reentered on 28 June 2006.

Nation: USA
Type / Application: Experimental
Operator: Defense Advanced Research Projects Agency (DARPA)
Contractors: General Dynamics C4 Systems/Spectrum Astro Space Systems
Configuration: SA-200HP
Propulsion: ?
Power: 2 deployable solar arrays, batteries
Lifetime: 1 year
Mass: 417 kg
Orbit: 296 km × 321 km, 96.3
Satellite COSPAR Date LS Launch Vehicle Remarks
Streak (STP-R1, USA 185) 2005-037A 23.09.2005 Va SLC-8 Minotaur-1
Further STP missions:

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