The 1.65 μm band on Orcus is broad and deep (12%), as on Charon, Quaoar, Haumea, and icy satellites of giant planets.
Na banda de 1,65 μm de Orcus é ancha e profunda (12%), coma en Caronte, Quaoar, Haumea, e nas lúas de xeo dos planetas xigantes.