Satellites and subsystems > Attitude > Attitude sensors > Star trackers > ST200 Star Tracker
Key highlights
The ST200 is one of the most successful star trackers in the world. More than 100 devices have been delivered to customers. Developed in cooperation with Hyperion Technologies B.V. the ST200 is one of the world’s smallest autonomous star trackers fully suitable for Cubesats or other sophisticated nanosatellites.
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Last updated: 2024-09-02
Technical specs
design life (LEO)
5 yr
maximum slew rate
1 deg/s (roll)
0.3 deg/s (pitch, yaw)
0.3 deg/s (pitch, yaw)
mass
40 g (with UART interface)
106 g (with baffle 40° sun exclusion)
106 g (with baffle 40° sun exclusion)
width
30 mm
50 mm (with baffle)
50 mm (with baffle)
length
30 mm
50 mm (with baffle)
50 mm (with baffle)
height
39 mm
83 mm (with baffle)
83 mm (with baffle)
voltage
3.7 to 5 V DC
power consumption
550 to 670 mW @ 3.7 V
pointing accuracy
pitch, yaw: 10 arcsec (1σ)
roll: 70 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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