Sun Sensor ACSS for Small Satellites
Sun sensors for extreme environments, reliability and accuracy of solar tracking and attitude determination.
The Advanced Coarse Sun Sensor (ACSS) is an innovative solution for space missions that require precise solar tracking and attitude determination. Its analog interface and built-in redundancy ensure continuous operation even under the most demanding conditions. Key features include: - Operating temperature range from -55°C to 105°C, accommodating extreme space environments - Exceptional radiation resistance of 200 kRad (gamma) and 8e11 10 MeV (protons), ensuring long-term functionality - Rugged mechanical design tested for durability against shocks up to 2000 g and 600 cycles at -55 to 105ºC - Compliance with ECSS-E-ST-20-07C and MIL-STD-461F standards, demonstrating suitability for space missions - Over 2500 units in orbit since 2019, highlighting its reliability and performance The advanced technology and mass production capability of ACSS make it an ideal choice for demanding LEO, MEO, and GEO missions, providing unparalleled reliability and radiation resistance.
basic information
This is a state-of-the-art solar sensor designed for precise solar tracking and attitude determination in space missions. The detailed specifications include the following: - Type: Two orthogonal axes for accurate measurements - Field of View: ±60º, accommodating a wide range of solar angles - Mass: 40 g, minimizing impact on the spacecraft's payload - Dimensions: 65 x 47 x 13 mm, compact size for easy integration - Power Supply: 15-30V, 3 mA, compatible with standard spacecraft power systems - Electrical Interface: Analog, 15-pin micro connector for reliable data transmission - Accuracy: <3º (3 sigma, uncalibrated), providing high precision - Housing: Durable aluminum 6082 with Alodine + black anodizing treatment - Operating Temperature: -45℃ to 85℃, suitable for various space environments - Solar MEMS Technologies S.L. is ITAR FREE, facilitating access worldwide.
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Applications/Examples of results
ACSS supports a wide range of applications in space missions: - LEO (Low Earth Orbit) missions benefit from its high sensitivity and reliability in Earth observation and satellite communication. - MEO (Medium Earth Orbit) missions, including navigation satellite systems, use ACSS for precise attitude determination. - GEO (Geostationary Earth Orbit) missions rely on ACSS for stable geostationary position determination, which is essential for weather forecasting and communication satellites. - Scientific research missions use ACSS for accurate solar tracking, enabling the study of the sun and solar phenomena. - Interplanetary missions leverage the robustness and precision of ACSS for navigation and orientation towards celestial bodies. Since 2019, the proven performance and reliability of ACSS, with over 2,500 units in orbit, have made it an essential component for current and future space exploration efforts.
