first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D Bus-DeMeo NIR Binzel 2019Icar..324...41B SPEC D Bus-DeMeo VIS Licandro 2018A&A...618A.170L SPEC M 0.930000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC