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°.
| 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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TY-Space Technology (Beijing) Ltd. is professional focusing on advanced attitude optical sensors, especially Star Trackers for space industry.
