Upgraded from NST4S-A2, NST5S-A1 is an autonomous, high-precision and compact sized star tracker with the Sun Exclusive Angle at : 30°

Field of view:*5°×*8°

Attitude accuracy:<2″(3σ)pointing; <*5″(3σ)rolling

Update rate:*0HZ

Slew rate:3°/s

Sensitivity:5.8Mv,Go.Ref star

Exclusive Angle:Sun:<*0°; Earth:<*5°

Life time:7years