Product Description
Upgraded from NST10-G1, NST20-G2 is a fully autonomous, highly reliable, precision (3″[3σ]), high- dynamic attitude star tracker with a dynamic performance 20° /s. The secondary baffle is to ensure that the star tracker work well at an Sun Exclusive Angle of 25°.
NST20-G2 Parameters:
| Dimensions |
Sensor+Baffle |
90×100×268（mm³） |
| Mass |
Sensor+Baffle |
1200g |
| Optical Design |
Lens |
refracitive |
| Environmental |
Vibration (FM) |
sine 13g, random 12 grms |
| Vibration (Qualification) |
sine 16g, random 18 grms |
| Working Temperature |
-30~50（℃） |
| Radiation Resistance |
100 Krad [Si] |
| Performance |
Field of View |
15°×15°[effective] |
| Attitude Accuracy(pointing/rolling) |
＜3″[3σ] |
| ＜30″[3σ] |
| Update Rate |
15 Hz |
| Dynamic performance |
20°/s |
| Sensitivity |
5.8Mv,Go.Ref star |
| Exclusive Angle |
Sun: ＜ 25° |
| Earth: ＜ 20° |
| Data Interface |
RS422/CAN |
| Power Consumption |
4W |
| Input Voltage |
28V |
| Life Time |
7years |
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