Summary

The Redwire Coarse Sun Sensor Pyramid (CSSP) is a 2-axis sensor containing four detectors, used for applications including solar array pointing, sun acquisition, and failsafe recovery. The CSSP is a navigational instrument used by spacecraft to detect the position of the sun.

Redwire is able to design baffles to accommodate nearly any Field of View (FOV) requirements. The Coarse Sun Sensor Pyramid is Rad hard to more than 100 krad (Si).

Key applications of the CSSP include:

  • Solar-Array Pointing
  • Sun Acquisition
  • Fail-Safe Recovery

The configuration of the CSSP is characterized by the following:

  • Number of measurement axes: 2
  • Number of detectors: 4 per bracket
  • Other bracket configurations: 2, 6, 8 detectors per bracket

The CSSP has flight heritage on a slew of space missions, including:

  • MAVEN
  • SMAP
  • DSCS
  • UARS
  • EUVE
  • GPS IIR
  • GPS IIF
  • LANDSAT
  • MARS SURVEYOR
  • MARS ODYSSEY
  • STARDUST
  • ODIN/CYCLOPS
  • AMOS-1
  • AMOS-2
  • SPACEBUS 4000
  • TDRS
  • GOES
  • CLASSIFIED PROGRAMS

Sun Sensors are export controlled through an ECCN (Export Control Classification Number) issued by the United States Department of Commerce, ECCN 7A104. Export shipment requires successful application for an export license. Redwire is AS9100D/ISO 9001 certified.

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Last updated: 2021-11-22

Coarse Sun Sensor Pyramid

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Specs

9TRL
mass
0.13 kg
length with baffles
89 mm
width with baffles
89 mm
height with baffles
43 mm
field of view
> 2π sr
field of view accuracy
±1° at null (typically)
±5° throughout linear range
radiation tolerance
100 krad

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