PCI versus R – I for the Didymos system. Taxonomic classification of the Didymos system according to the Bus-DeMeo scheme based on the PCI and R – I. The black circle refers to the data obtained before the DART impact. The others, indicated by the red squares and blue triangles, were all taken after impact. The larger square and triangle represent the average of the early post-impact and the average of the late post-impact.