The TY-SPACE High Accuracy Star Tracker (HST-A1) is a cutting-edge star tracking system known for its exceptional performance in ultra-high-precision attitude determination. With accuracy of up to 0.3 "[3 σ], HST-A1 star tracker is designed for the ultra-high precision attitude determination requirements of satellites. it is a fully autonomous high-precision attitude sensor. By FOV 5.5 °, HST-A1 star tracker detects a magnitude to 12Mv.
| Optical Design | Lens | 140×130×223（mm³） |
| 155×155×297（mm³） | ||
| Mass | Sensor+Baffle | 4.2±0.3kg |
| Optical Design | Lens | refracitive |
| Environmental | Operating Relative Humidity Range | ≤60% |
| Start Temperature | -30~40（℃） | |
| Working Temperature | -30~40（℃） | |
| Radiation Resistance | 100 Krad [Si] | |
| Performance | Field of View | 5.5°×5.5°[effective] |
| Attitude Accuracy(pointing/roll) | ＜0.3″[3σ] | |
| ＜3″[3σ] | ||
| Update Rate | 10 Hz | |
| Slew Rate | 1.5°/s | |
| Sensitivity | 10Mv | |
| Exclusive Angle | Sun: ＜ 30° | |
| Earth: ＜ 30° | ||
| Data Interface | RS422/CAN | |
| Power Consumption | 3.5±0.5W | |
| 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.
