Summary

The Twinkle 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 is compact and easy to interface in CubeSats and large satellites. Due to its small size, several can be mounted under different angles.

Key features:

  • Tracks stars up to magnitude 6
  • On-board calibration algorithm
  • Lost-in-space availability: >99% of the night sky
  • Autonomously detects and corrects for outlier stars
  • Lens is radiation shielded

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Last updated: 2021-04-08

Twinkle Star Tracker

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Specs

update rate
2 Hz
width
20 mm
length
40 mm
height
20 mm
voltage
5 V
attitude knowledge about boresight
90 deg (1 sigma)
attitude knowledge cross boresight
15 deg (1 sigma)
data interface
RS485
nominal power consumption
< 1 W

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