\begin{table}%t1
%\centering
\par
\caption{Observing geometry and modeling assumptions ($H$ and $G$ are from Tedesco  \cite{IRAS}).
\label{tab:geometry}}
\begin{tabular}{l l}
\hline\hline
Heliocentric distance $r$ & 2.065 AU \\
Geocentric distance $\Delta$ & 2.199 AU \\
Solar phase angle $\alpha$ & $27.4\degr$ \\
Absolute magnitude $H$ & 7.35 \\
Slope parameter $G$ & 0.11  \\
Thermal emissivity $\epsilon$ & 0.9
\\ \hline
\end{tabular}
\end{table}