More than 100sets of PST Star Trackers are successfully launched and operating flawlessly on orbit. Sensor+Baffle 57×57×141(mm³) Sensor+Baffle 310g Field of View:15°×18°[effective] Attitude Accuracy(pointing/rolling) <3″[3σ] <30″[3σ] Update Rate:10 Hz Dynamic performance:3°/s Sensitivity:5.8Mv,Go.Ref star Exclusive Angle Sun: < 35° Earth: < 25° Life Time:7years