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Scorpio is the rugged version of Sagitta Star Tracker(also by arcsec), designed for harsher environments with higher radiations and longer missions. It has a built-in extended baffle and an accuracy of 2 arcsec (1σ) cross-boresight and 10 arcsec (1σ) along-boresight.
Scorpio can also detect space debris during the course of its operation and is eligible to participate in the DeDUST program.
Scorpio can be further customized with extra coatings.
Features:
- Star tracking and attitude determination
- Full image download capability
- Image histograms
- Fast lost-in-space algorithm
Performance:
- Cross-boresight accuracy: 2" (1σ)
- Around boresight accuracy: 10" (1σ)
- Tracks stars up to magnitude 6.2
- Tracks up to 64 stars
- Update rate of 7 Hz
- Field of view: 24.8°
- Autonomous calibration
Robustness:
- Lost-in-space availability: >99% of the night sky
- Discards vast majority of false star instances
- Autonomous detection and correction for outlier stars
- Baffle sun rejection angle: 30°
- Radiation shielded lens
- Electronics are radiation tested
| Parameter | Value |
|---|---|
| Lead Time | 4 months |
| Interface | RS485 |
| Supply Voltage | 5V |
| Cross boresight accuracy | 2" (1σ) |
| Around boresight accuracy | 10" (1σ) |
| Field of view | 24.8 degrees |
| Nominal Power Consumption | 2000 mW |
| Mass | 450 g |
| Update Rate | 7Hz |
| Type | Document Name | Action & Size |
|---|---|---|
| No public documentation available. Please inquire for details. | ||
