Spektrum refleksi Ida diukur pada 16 September 1980 oleh astronom David J. Tholen dan Edward F. Tedesco sebagai bagian dari survey asteroid delapan warna (ECAS).
Ida's reflection spectrum was measured on 16 September 1980 by astronomers David J. Tholen and Edward F. Tedesco as part of the eight-color asteroid survey (ECAS).WikiMatrix WikiMatrix