HARDWARE / PRODUCTUpdated 25 Jul 2026

ST200

Berlin Space Technologies
ST200

The ST200 is a miniaturized, autonomous star tracker designed for CubeSats and nano-satellites, providing a full attitude solution.

Key figurescomparable across the catalogue

Mass
0.106 kg
Largest dimension
83 mm
Design life
5 years

Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.

As published by the supplier

Accuracy
10 arcsec
Update rate
5 Hz
Limiting magnitude
6.0
Sun exclusion angle
40°
Data interface
UART (TTL), RS422 (optional)
Mass
106 g
Dimensions
50x50x83 mm
Design life
5 years
Space heritage
since 2014

About

The ST200 is a highly successful and miniaturized autonomous star tracker, developed in cooperation with AAC Hyperion. It is specifically designed for CubeSats and other sophisticated nano-satellites, offering a complete and autonomous attitude solution for missions with demanding size and volume restrictions. With over 200 units delivered to customers, the ST200 has a proven space heritage dating back to 2014. It boasts an accuracy of 10 arcsec, an update rate of 5Hz, and a limiting magnitude of 6.0. The star tracker has a sun exclusion angle of 40° and offers data interfaces via UART (TTL) with an optional RS422. It is remarkably compact, weighing only 106g and measuring 50x50x83mm, with a design life of 5 years.

Documentation

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

Source: www.berlin-space-tech.com ↗

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