Satellites and subsystems > Attitude > Attitude sensors > Star trackers > Star Tracker VST-68M
Key highlights
The VST-68M performs direct and autonomous measurement of the spacecraft attitude in the body fixed star tracker reference frame relative to the celestial reference system J2000.
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Last updated: 2018-03-27
Star Tracker VST-68M
Technical specs
field of view
14 deg
radiation tolerance
> 20 krad
length
60 mm
width
60 mm
height
138 mm
mass
0.470 kg
operating temperature
-20 to 65 C
storage temperature
-40 to 80 C
mechanical vibration
20 Grms
power
3.0 W
voltage
9 to 40 V
attitude knowledge error
5 arcsec
acquisition probability
> 99.7 %
update rate
5 Hz
tracking rate
< 3 deg/s
time to first acquisition
1 s
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