The NCSS-SA05 is TRL 9 with in-orbit heritage since 2014, with around 60 units delivered globally. The NCSS-SA05 has been used on several international programmes including a lunar mission.

The NCSS-SA05 is based around a PSD analogue sensor. Each sensor comes with a specific calibration equation for maximum accuracy. The unit can be powered from unregulated DC power from the spacecraft.

Key features of the NCSS-SA05 include:

  • Low mass
  • Low power
  • PSD architecture
  • Analogue interface

The NCSS-SA05 can be used in a range of applications, including:

  • Accurate determination of sun-angle
  • Can be used in conjunction with a magnetometer for simple attitude control
  • Can be used as safe-mode sensors on gyro or star-mapper controlled systems
  • Six sensors can achieve full sky coverage

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Last updated: 2021-09-07

NCSS-SA05 Coarse Sun Sensor



< 5 g
33 mm
11 mm
6 mm
field of view
114 deg
update rate
> 10 Hz (limited by customer ADC)
field of view accuracy
< 0.5° RMS error over FOV
< 10mA @ 5V
operating temperature
-25 to 70 C
mechanical vibration
16 gRMS (random)
5 V DC
connector type
9-way female Nano-D


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