Satellites and subsystems > Attitude > Attitude sensors > Sun sensors > ACSS RH
Key highlights
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.
Applications
ACSS sun sensor offers the highest reliability and radiation hardness for the most demanding LEO, MEO and GEO missions.
CSS technology of Solar MEMS has flight heritage since 2019 with hundreds of flight units delivered, and its manufacturing process has been developed and industrialized for mass production.
Testing & qualification
Radiation test: 200 Krad (gamma) 8e11 10 MeV (protons)
Mechanical test: Shock 2000 g</br>, 18.3 g @ 20-2000 H
Endurance Test: 600 cycles from -55 to 105º C 2000h at 125º C
EMC/ESD: ECSS-E-ST-20-07C & MIL-STD-461F
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Last updated: 2025-06-18
ACSS RH
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