The Sagitta 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 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. The flight heritage is successfully demonstrated in several missions on different types of platforms.
Overview
Specifications
| Parameter | Value | |
|---|---|---|
| Overview | ||
| Name | Sagitta | |
| Company | arcsec | |
| Category | Star Tracker | |
| Flight proven | Yes | |
| TRL Flight proven in a successful mission | 9 | |
| Mechanical | ||
| Dry Mass | 0.27kg | |
| Envelope Shape | Cuboid | |
| Length | 95mm | |
| Width | 50mm | |
| Height | 44mm | |
| Electrical | ||
| Input Voltage (Nominal) | 5V | |
| Power Consumption (Typical) | 1.5W | |
| Data Interfaces | RS-485 | |
| Performance | ||
| Update Rate | 10Hz | |
| Field of View | ||
| Horizontal | 25.4deg | |
| Vertical | 25.4deg | |
| Angular Measurement Accuracy | ||
| Cross-Boresight | 2arcsec(1σ) | |
| Roll | 10arcsec(1σ) | |
| Sun Exclusion Angle Baffle sun rejection angle | 40deg | |
| Tracked Star Count (Maximum) | ≤64stars | |
| Pricing and procurement | ||
| Customization / NRE | Unknown | |
Files
Datasheet PDF · 973 KB · Nov 3, 2026
View
