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Clark (SSTI 2)

Clark [NASA]

Clark was one of two missions selected under NASA's SSTI (Small Spacecraft Technology Initiative) program to demonstrate advanced spacecraft technologies (11 July 1994). The payload would have consisted of:

  • Worldview Imaging Corp's panchromatic 3-m resolution, 15-m multispectral resolution with cloud editing capability.
  • Micro-Measuring Air Pollution from Satellites (µMAPS).,
  • X-Ray Spectrometer (soft and gamma).,
  • Atmospheric Tomography (3D pollution mapping).

Due to cost overuns, Clark was cancelled in 1998. The Worldview instrument was flown on the private Earlybird satellite.

Nation: USA
Type / Application: Earth observation
Operator: NASA
Contractors: CTA → Orbital Sciences Corporation (OSC) (bus); Worldview Imaging (imager)
Equipment: Worldview, MyMaps, X-Ray Spectrometer, Atmosph. Tomography
Propulsion: ?
Power: 2 deployable solar arrays, batteries
Lifetime: 3 years (required 1 year)
Mass: 284 kg
Orbit: 475 km × 475 km, 97.3°
Satellite COSPAR Date LS Launch Vehicle Remarks
Clark (SSTI 2) - cancelled Va SLC-6 Athena-1


  • NASA Mission and Spacecraft Library: SSTI
Further SSTI missions:

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