Fig. 1. Schematic diagram of star simulator for spherical screen projection

Fig. 2. Schematic diagram of relative motion of main star and target star

Fig. 3. Design drawing of platform

Fig. 4. Angular position relationship of two star points

Fig. 5. Coordinate diagram of star points on image plane

Fig. 6. Schematic diagram of influence of aberration on star position

Fig. 7. Schematic diagram of the influence of aberration on the angular distance between stars

Fig. 8. Lateral offset caused by field curvature

Fig. 9. Optical system with focal length of 52.8 mm

Fig. 10. MTF curve of optical system

Fig. 11. Field & Astigmatism curve

Fig. 12. Distortion curve

Fig. 13. Partial star map generated by software

Fig. 14. Aberration effect on inter satellite angular distance

Fig. 15. Physical drawing of platform

Fig. 16. Projection star point test object

Fig. 17. Measured value of inter satellite angular distance error

Fig. 18. Fitting diagram

Fig. 19. Fitting curve of coma effect on azimuth

Fig. 20. Corrected inter satellite angular distance error