VST-41M Star Tracker
VECTRONIC Aerospace GmbH
Compact star tracker with 512x512 rad-hard CMOS sensor for autonomous attitude determination.
Technical specifications
- Dimensions (with baffle)
- 80 mm x 100 mm x 180 mm
- Mass
- 0.7 to 0.9 kg
- Mounting Pattern
- 4 x M4, 66 mm x 90 mm
- Power Consumption, Max
- 2.5 W
- Input Voltage Range (VDC)
- 9 to 18 or 18 to 40
- Signal Interface
- RS422 / RS485
- Signal Characteristics
- Serial asynchronous
- Connector Type
- SUB HD26 male, or MDM-25
- Operating Temperature Range
- -20°C to +65°C
- Storage Temperature Range
- -40°C to +80°C
- Vibration
- 20g rms random 3 axis
- Radiation Tolerance
- > 20 krad
- Accuracy 2σ (x,y / z axis)
- 18 arcsec / 122 arcsec
- Acquisition Probability
- > 99.7%
- Update Rate
- 4 Hz
- Field of View
- 14° x 14°
- Time of First Acquisition
- typ. 800 ms
About
The VST-41M star tracker delivers autonomous spacecraft attitude measurement relative to the inertially fixed celestial reference system. It contains a 512×512 pixel radiation-hardened CMOS sensor with a 50 mm focal length, guaranteeing at least 10 visible stars independent of current attitude. The unit comprises an optical head with lens and baffle plus processing electronics with an onboard star catalogue, and is qualified for LEO, GEO and interplanetary missions.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.
