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Star Tracker VST-68M


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.


length60 mm
width60 mm
height138 mm
mass0.470 kg
operating temperaturemin: -20 C, max: 65 C
storage temperature min: -40 C, max: 80 C
mechanical vibration20 Grms
radiation tolerance< 20 krad
power3.0 W
voltagemin: 9 V, max: 40 V
attitude knowledge error5 arcsec
acquisition probability> 99.7 %
update rate5 Hz
tracking rate< 3 deg/s
time to first acquisition1 s



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Last updated: 2018-03-27