The Twinkle Star Tracker offers arcsecond range pointing accuracy to your CubeSat. The custom algorithms are optimized for accuracy, robustness and low computational cost. The star tracker is extremely compact and easy to interface in CubeSats and large satellites. Due to its small size, several can be mounted under different angles to improve the accuracy.
Overview
Specifications
| Parameter | Value | |
|---|---|---|
| Overview | ||
| Name | Twinkle | |
| Company | arcsec | |
| Category | Star Tracker | |
| Flight proven | No | |
| TRL | — | |
| Mechanical | ||
| Dry Mass | 0.035kg | |
| Envelope Shape | Cuboid | |
| Length | 40mm | |
| Width | 20mm | |
| Height | 20mm | |
| Electrical | ||
| Input Voltage (Nominal) | 5V | |
| Power Consumption (Typical) Nominal | 1W | |
| Data Interfaces | RS-485 | |
| Performance | ||
| Update Rate | 10Hz | |
| Field of View | ||
| Horizontal | 10.6deg | |
| Vertical | 10.6deg | |
| Angular Measurement Accuracy | ||
| Cross-Boresight | 3arcsec(1σ) | |
| Roll | 30arcsec(1σ) | |
| Tracked Star Count (Maximum) | ≤64stars | |
| Pricing and procurement | ||
| Customization / NRE | Unknown | |
Files
Datasheet PDF · 875 KB · Nov 3, 2026
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