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The ST200 is one of the most successful star trackers in the world. More than 100 devices have been delivered to customers. Built for miniaturized missions and developed in cooperation with AAC Clyde Space the ST200 is one of the world’s smallest autonomous star tracker fully suitable for Cubesats or other sophisticated nano satellites. The ST200 delivers a full and autonomous attitude solution and is your attitude sensing solution for missions with demanding size and volume restrictions.

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Last updated: 2022-08-01



lead time
3 to 4 mo
40 g (with UART interface)
106 g (with baffle 40° sun exclusion)
30 mm
50 mm (with baffle)
30 mm
50 mm (with baffle)
38 mm
83 mm (with baffle)
3.7 to 5 V
power consumption
550 to 670 mW @ 3.7 V
pointing accuracy
pitch, yaw: 10 arcsec (1σ)
roll: 70 arcsec (1σ)
update rate
5 Hz
operating temperature
-20 to 40 C
radiation tolerance (proton 130 MeV)
11 krad


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