Satellites and subsystems > Attitude > Attitude sensors > Star trackers > HST-A1 Star Tracker
Key highlights
TY-Space HST-A1 star tracker is a high accuracy, fully autonomous
star tracker. With 0.3" (3σ) accuracy, 12Mv Magnitude, and 5.5 °
FOV.HST-A1 star tracker meet the requirements for high-resolution
remote sensing satellites.
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Last updated: 2026-04-08
HST-A1 Star Tracker
Technical specs
width
130 mm
lifetime
7 yr
height
223 mm
mass
4700 g
length
140 mm
data interface
RS422
sun exclusion angle
30 deg
time to first acquisition
< 2 s
update rate
> 10 Hz
pointing accuracy
0.3 arcsec
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