HARDWARE / PRODUCTUpdated 25 Jul 2026

Fine Sun Sensor

SSBV Aerospace & Technology
Fine Sun Sensor

The Fine Sun Sensor is a compact, low-power, and high-accuracy sun sensor designed for CubeSats and SmallSats, providing precise sun vector measurements for attitude determination and control.

Technical specifications

Product
Fine Sun Sensor
Field of view
140°
Frequency
5 Hz
Accuracy
+/- 0.1° (2 sigma)
Dimensions
34 mm x 32 mm x 21 mm
Operating temperature
-25°C to +50°C
Supply voltage
28 V DC nominal (5 V to 50 V)
Interface
UART, SPI, I2C, CAN or RS-485/422

About

The Fine Sun Sensor (FSS) is a compact, low-power, and high-accuracy sun sensor specifically developed for CubeSats and SmallSats. It is designed to provide precise sun vector measurements, which are crucial for attitude determination and control systems (ADCS) in space applications. The sensor utilizes a photodiode array to detect the sun’s position, offering a wide field of view and high resolution. Its robust design ensures reliable operation in the harsh space environment. The FSS is an essential component for missions requiring accurate pointing, solar panel orientation, or general spacecraft attitude knowledge. Its small size and low power consumption make it ideal for resource-constrained small satellite platforms.

Documentation

Need the full ICD, test reports or a specific revision? Ask the supplier directly.

Source: web.archive.org ↗

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