Product Introduction
The Sun Sensor is a core component for satellite attitude determination and measurement, critical for ensuring precise orbital orientation. Everlight Space’s Sun Sensor products have achieved mass production and been successfully deployed on-orbit across multiple satellite missions.
Key Advantages: Low-Cost, Compact, Lightweight, Low Power Consumption
Analog Sun Sensors
PASS-90 Coarse Sun Sensor
The PASS-90 is a wide Field of View (FOV), high-reliability, high-sensitivity coarse sun sensor specifically engineered for small satellites. It is designed to accurately capture the sun’s direction within a hemispherical FOV, delivering robust attitude reference data for on-board control systems.
The PASS-90 employs space-grade gallium arsenide (GaAs) photodiodes as its core sensing elements, and is enhanced with extended radiation tolerance and a broadened operating temperature range, ensuring stable performance in the harsh space environment.
SASS-60 Analog Sun Sensor
The SASS-60 is a high-reliability, high-sensitivity, ultra-compact analog sun sensor optimized for small satellite platforms, offering a more miniaturized solution without compromising sensing performance.
It integrates an array of space-grade GaAs photodiodes for improved sensing precision, and features enhanced radiation resistance and excellent thermal-stress survivability, making it highly adaptable to the extreme temperature fluctuations and radiation exposure inherent in orbital operations.
Product Parameters

Digital sun sensor
MDSS-60 Digital Sun Sensor
The MDSS-60 is a high-precision, ultra-miniaturized digital sun sensor featuring multiple interface options, specifically engineered for CubeSats with stringent Attitude Determination and Control System (ADCS) performance requirements.
Furthermore, the MDSS-60 series digital sun sensor employs space-grade gallium arsenide (GaAs) photodiodes as its core sensing elements, paired with a space-qualified CIC manufacturing process. This robust design configuration ensures exceptional reliability and stable operation in the harsh outer space environment.
SDSS-60 Digital Sun Sensor
The SDSS-60 series is a high-precision, high-update-rate, low-power, and compact digital sun sensor that offers multiple bus interface options. It is tailor-made for small satellites with demanding ADCS functional requirements, striking an optimal balance between performance and form factor.
The SDSS-60 digital sun sensor integrates an array of space-grade GaAs photodiodes and a high-performance microcontroller unit (MCU) for enhanced sensing accuracy and data processing efficiency. It boasts an outstanding radiation hardening capability, withstanding a total ionizing dose (TID) of over 30 kRad(Si)—well-suited for enduring the intense radiation exposure of orbital missions.
Product Parameters


