NST20-G3 Star Tracker
A fully autonomous, highly reliable, high-precision and high-dynamic attitude star tracker, upgraded from the NST10-G1, delivering 1 arcsec [3sigma] pointing accuracy and 5 deg/s dynamic performance.
Technical specifications
- Sensor+Baffle Dimensions
- 90x100x268 mm3
- Sensor+Baffle Mass
- 1200 g
- Lens (Optical Design)
- Refractive
- Vibration (FM)
- Sine 13g, random 12 grms
- Vibration (Qualification)
- Sine 16g, random 18 grms
- Working Temperature
- -30 to 50 C
- Radiation Resistance
- 100 Krad [Si]
- Field of View
- 15x15 deg [effective]
- Attitude Accuracy (pointing/rolling)
- <1" [3sigma] / <6" [3sigma]
- Update Rate
- 10 Hz
- Dynamic Performance
- 5 deg/s
- Sensitivity
- 5.8 Mv, Go.Ref star
- Exclusive Angle (Sun/Earth)
- <25 deg / <20 deg
- Data Interface
- RS422/CAN
- Power Consumption
- 4 W
- Input Voltage
- 28 V
- Life Time
- 7 years
About
Upgraded from the NST10-G1, the NST20-G3 is a fully autonomous, highly reliable, high-precision and high-dynamic attitude star tracker with attitude determination accuracy of 1 arcsec [3sigma] and dynamic performance of up to 5 deg/s. It is designed for satellite attitude determination applications requiring very high pointing accuracy, providing RS422/CAN data interfaces, low power consumption, and radiation-tolerant construction suitable for long-duration space missions.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.