Open Access

Table 1

Basic information of the Itokawa and Bennu datasets.

Mission Hayabusa OSIRIS-REx
Asteroid Itokawa Bennu
Number of images 172 2231
Average spatial resolution (m) ~0.7 ~0.5
Focal length (mm) 120.8 126.017
Sensor size (mm) 12.288 8.704
Principal point (pixel) (511.5, 511.5) (512.5, 512.5)
Distance from asteroid (km) ~8 ~3.5

Notes. ‘OSIRIS-REx’ is NASA’s Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer mission.

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