Summary

The Horizon Sensor for Nano and Micro Satellites (HSNS) offered by Solar MEMS is a Quad Thermopile sensor for Earth detection and Nadir vector determination. This device measures the infrared radiation from Space and from Earth with 4 IR-eyes, providing accurate and reliable detection and attitude determination.

HSNS is based on previous experience of Solar MEMS building attitude sensors and long research projects on IR sensing devices. Every HSNS is characterized and tested, and includes a microcontroller for fast assembly and integration with different options like UART or I2C protocols.

HSNS is ITAR free, includes space-grade components, and a space qualified microcontroller.

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Last updated: 2022-05-05

HSNS - Horizon Sensor for Nanosatellites

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Specs

8TRL
mass
120 g
length
90 mm
width
92 mm
height
50 mm
accuracy (3-sigma EOL)
< 1 deg
output rate
10 Hz
consumption
< 30 mA
supply voltage
5 V
lifetime
designed for 3 years
operating temperature
-30 to 70 C
radiation tolerance
30 kRad Total Ionizing Dose
lead time1
20 wk (first FM unit ready)

1. For recurring units, lead time will be ~12 to 14 wk. Lead time might change depending on the number of requested units.

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