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


0.470 kg
attitude knowledge error
5 arcsec
9 — 40 V
60 mm
138 mm
acquisition probability
> 99.7 %
radiation tolerance
< 20 krad
time to first acquisition
1 s
tracking rate
< 3 deg/s
storage temperature
-40 — 80 C
mechanical vibration
20 Grms
3.0 W
update rate
5 Hz
operating temperature
-20 — 65 C
60 mm




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