\begin{table}%t5
\caption{\label{volmodels}Characteristics of Orcus models including volatiles.}
%%\centering

\par
\begin{tabular}{rcc} 
\hline \hline \noalign{\smallskip}
Model	& Reduced $\chi^2$\tablefootmark{a} &  Depth (\%)\tablefootmark{b} 	\\
\hline
Model 2	& 72 & -- 	\\
2\% CO$_2$	& 73 & 5	\\
5\% CO$_2$	& 74	& 11\\
10\% CO$_2$ & 76 & 21 \\
2\% CH$_4$	& 72 &2	\\
5\% CH$_4$	& 73&5	\\
10\% CH$_4$ & 80	&10\\
\hline
\end{tabular}
\tablefoot {\tablefoottext{a}{The $\chi^2$ is weighted to give greater importance to locations where absorption bands exist (H$_2$O~bands) and lower importance to regions affected by telluric absorption. The value compares the model to the near-infrared data from \citet{Barucci2008}.}
\tablefoottext{b}{The percentage depth of the strongest CO$_2$~band at 2.012~$\mu$m and the CH$_4$~band at $\sim$2.2~$\mu$m relative to the continuum for each model.}}
\end{table}