Satellites and subsystems > Attitude > Attitude sensors > Star trackers > PST3S-K4 Star Tracker
Key highlights
OCE's latest PST3 sensors, includes the PST3S-K4 sensor which is designed for in-orbit deployment and professionally configured for cubic star and other micro-nano satellites.
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Last updated: 2025-08-01
PST3S-K4 Star Tracker
Technical specs
lifetime
3 yr
input voltage
5 V
power consumption
0.9 W
data interface
CAN
RS422
RS422
sun exclusion angle
< 35 deg
slew rate
3 deg s^-1
update rate
10 Hz
pointing accuracy - roll
< 50 arcsec
pointing accuracy
< 5 arcsec
field of view
15 deg
radiation tolerance
20 krad
operating temperature
-30 to 40 C
mass
60 g
height
34.6 mm
width
40 mm
length
40 mm
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