The Redwire Fine Spinning Sun Sensor ± 64° (FSSS) provides better accuracy and resolution than the Miniature Spinning Sun Sensor. The unit is Rad hard to 100 krad (Si).
Redwire Spinning Sun Sensors are designed to provide sun aspect angle and sun crossing pulses for spinning spacecraft. This information is used to determine spin rate and spin axis orientation relative to the sun. This redundant system consists of one optical head per redundant electronics channel. It is used for attitude determination of spinning spacecraft, sun acquisition, and fail-safe recovery. The FSSS includes 1 aspect angle axis plus sun pulse, and 2 sensors (with redundant electronics).
Applications of the FSSS include:
- Attitude Determination of Spinning Spacecraft
- Sun Acquisition
- Spin Rate Determination
- Fail-Safe Recovery
The FSSS has flight heritage on the following missions:
- BEPI COLOMBO
- ARASE (ERG)
- AKATSUKI (PLANET C)
- BSAT 2c
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