Fig. 6
Quaoar best fitting model (solid thin line) includes about 30% H2O, 20% N2, and 13% CH4 with traces of C2H6 ice mixed in with organic materials (Dalle Ore et al. 2009). Hydrocarbon ices features are labeled in the figure. Quaoar is an RR object. The observations were scaled to Stansberry et al. (2008) visual geometric albedo.
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