Fig. 1. Star tracker imaging principle

Fig. 2. Schematic diagram of rolling shutter exposure

Fig. 3. Comparison of static and dynamic navigation star point imaging.

Fig. 4. Star points correction method based on time domain constraints

Fig. 5. Rolling shutter exposure star diagram and imaging timing diagram

Fig. 6. When the X direction angular velocity is 1°/s, the position error, speed deviation and speed deviation after filtering are compared

Fig. 7. When the angular velocity in the Y direction is 1°/s, the position error, speed deviation and speed deviation after filtering are compared

Fig. 8. Average position error of navigation star point before and after filtering

Fig. 9. Speed deviation after filtering

Fig. 10. Centroid error analysis before and after star point distortion correction

Fig. 11. Star pair distance error corrected by different row exposure time of star map

Fig. 12. The distance error of the star pair before and after the correction

Fig. 13. Comparison of effects of correction methods

Fig. 14. Different angular velocity in X direction, average error of attitude angle

Fig. 15. Different angular velocity in Y direction, average error of attitude angle