first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S-complex Bus-DeMeo NIR Binzel 2019Icar..324...41B SPEC X 0.910000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC S Bus-DeMeo VISNIR Christou 2021Icar..35413994C SPEC+PHOT Sq S Bus-DeMeo VISNIR Christou 2021Icar..35413994C SPEC