Satellites and subsystems > Attitude > Attitude sensors > Star trackers > PST3S-K4 star tracker
Key highlights
The TY-Space PST3S-K4 Star Tracker is designed for space applications.
It has the capability to operate for three years in space.
The PST3S-K4 weighs approximately 60 grams and consumes 0.9W of power with an input of 5V.
Key features
- Suitable for CubeSat
- Deployment baffle
- Radiation resistant design
- Lifetime of 3yrs
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Last updated: 2026-04-08
PST3S-K4 star tracker
Technical specs
lifetime
5 yr
mass
60 g
height
75.7 mm (deployed)
34.6 mm (fold)
34.6 mm (fold)
diameter
40 mm
data interface
RS422
sun exclusion angle
35 deg
update rate
> 10 Hz
pointing accuracy - roll
50 arcsec
pointing accuracy
5 arcsec
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