Summary
The Sagitta star tracker offers arc second range pointing accuracy to CubeSats. The custom algorithms are optimized for accuracy, robustness and low computational cost. The star tracker has a built-in baffle to reduce the effect of stray light. The system is compact and easy to interface in CubeSats and large satellites.
Key features:
- Tracks stars up to magnitude 6
- Tracks up to 32 stars
- Lost-in-space availability: >99% of the night sky
- Baffle sun rejection angle: 40 deg
- Lens is radiation shielded
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Last updated: 2023-09-19
Specs
update rate
10 Hz
width
50 mm
length
95 mm
height
45 mm
voltage
5 V
attitude knowledge about boresight
10 arcsec (1 sigma)
attitude knowledge cross boresight
2 arcsec (1 sigma)
data interface
RS485
nominal power consumption
~1300 mW
lead time
4 mo
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