\begin{table}%T1
\caption{ Characteristics of the Minimum Mass Solar Nebula at 5.2 AU.}
\label{table:nebula}
%\centering
\small
\begin{tabular}{p{4cm} l}
\hline
\hline
Temperature   & 133 ${\rm K}$ \\
Solids surface density    & 3.37 ${\rm g\;cm^{-2}}$ \\
Gas volume density   & $1.5 \times 10^{-11}~ {\rm g\;cm^{-3}}$ \\
\hline 
\end{tabular}
\end{table}