Satellite > Attitude > Sensors > Sun Sensor > ACSS - Advanced Coarse Sun Sensor
Summary
The Solar MEMS Advanced Coarse Sun Sensor (ACSS) is designed for LEO, MEO, and GEO missions. The ACSS is a device for sun-tracking and attitude determination. This sensor measures the incident angle of sun rays in two orthogonal axes, providing a high sensitivity based on the geometrical dimensions of the design.
ACSS technology acquired flight heritage in 2019 with hundreds of flight units delivered, and its manufacturing process has been developed and industrialized for mass production requested for satellite constellations. ACSS is a highly suitable sun sensor for satellite constellations and demanding missions due to its redundancy, reliability, and hardness.
Key features
- 2 orthogonal axes
- Analog, 15-pin micro connector electrical interface
- Aluminum 6082, alodine + black anodizing housing
- Manufacturing capacity of 100 ACSS per month
- Each ACSS is calibrated, evaluated and tested
- Quality control: > 50 inspection points/KC
- EMC/ESD: ECSS-E-ST-20-07C, MIL-STD-461F
- Reliability: 8 FIT @ 30oC
Flight heritage
The Solar MEMS Advanced Coarse Sun Sensor (ACSS) has a flight heritage of more than 500 years of accumulated time in orbit without failures.
Export control
The Solar MEMS ACSS - Advanced Coarse Sun Sensor is ITAR free.
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Last updated: 2023-09-06
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