Advanced Coarse Sun Sensor (ACSS) is a device for sun-tracking and attitude determination. This sensor measures the incident angle of sun ray in two orthogonal axes, providing a high sensitivity based on the geometrical dimensions of the design.
ACSS sun sensor offers the highest reliability and radiation hardness for the most demanding LEO, MEO and GEO missions. ACSS technology has flight heritage since 2019 with hundreds of flight units delivered, and its manufacturing process has been developed and industrialized for mass production.
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Industry |
Space |
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Comm. Interface |
Analog |
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Flight mode |
Yes |
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Engineering mode |
Yes |
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Field of View (º) |
±60, Custom |
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Power Supply (V) |
15-13V (3mA) |
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Operating Temperature |
-45 to 85 degrees |
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Radiation test |
200 Krad (gamma) 8e11 10 MeV (protons) |
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Mechanical test |
Shock 2000 g</br> |
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Endurance Test |
600 cycles from -55 to 105º C 2000h at 125º C |
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EMC/ESD |
ECSS-E-ST-20-07C MIL-STD-461F |
