Sagitta Star Tracker
arcsec
The Sagitta star tracker is arcsec’s standard, fully autonomous star tracker designed to fit in a CubeSat. It features an integrated baffle to reduce stray light effects and delivers arc second range pointing accuracy. The custom algorithms are optimized for accuracy, robustness, and low computational cost. Sagitta achieves a cross-boresight accuracy of 2″ (1σ) and […]
Key figurescomparable across the catalogue
- Power
- 1.5 W
- Largest dimension
- 95 mm
Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.
As published by the supplier
- Cross-boresight accuracy
- 2" (1σ)
- Along-boresight accuracy
- 10" (1σ)
- Dimensions
- 44 x 50 x 95 mm
- Power
- 1500 mW
- Supply voltage
- 5 V
- Communication interface
- RS485
About
The Sagitta star tracker is arcsec’s standard, fully autonomous star tracker designed to fit in a CubeSat. It features an integrated baffle to reduce stray light effects and delivers arc second range pointing accuracy. The custom algorithms are optimized for accuracy, robustness, and low computational cost. Sagitta achieves a cross-boresight accuracy of 2″ (1σ) and along-boresight accuracy of 10″ (1σ). It communicates via RS485 and operates on 5V. arcsec reports 99.9% availability across night sky scenarios and more than 5 years cumulative heritage in space with over 100 systems sold worldwide.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.