Nst20-G2 Star Tracker

NST20-G2 Description: Upgraded from NST10-G1, NST20-G2 is a fully autonomous, highly reliable, precision (3?[3s]), 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?[3s] <30?[3s] 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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