Fig. 1. GUI interface for landmark determination^[15]

Fig. 2. Simulated image of Vesta for limb scan^[16]

Fig. 3. Optical navigation strategy (stellar or landmark OpNav)^[17]

Fig. 4. Block diagram of terrain relative navigation algorithm

Fig. 5. HAMO mapping trajectory^[38]

Fig. 6. Example of a global detailed survey^[40]

Fig. 7. Bennu model generated by SPC^[49]

Fig. 8. Landmark navigation classification

Fig. 9. SPC landmark^[61]

Fig. 10. NFT landmark matching description^[65]