\begin{table}%t1
\caption{Characteristic planet distances.}\label{PlaDis}
%\centerline
 {\small 
\begin{tabular}{c c c c c c}
\hline \hline
\noalign{}
$\mu$ & $\rho_0^{(1)}$ & $\rho_0^{(2)}$ & $\rho_0^{(3)}$ \\
%\noalign{\vspace{0.03in}}
\hline 
%\noalign{\vspace{0.03in}}
 0.50  &  0.251  &  0.442  &  0.442    \\
 0.40  &  0.278  &  0.406  &  0.512    \\
 0.30  &  0.311  &  0.404  &  0.593    \\
 0.20  &  0.353  &  0.420  &  0.692    \\
 0.10  &  0.423  &  0.466  &  0.820    \\
 0.01  &  0.637  &  0.648  &  0.979    \\
\hline
\end{tabular}}
\smallskip 
Note: $\rho_0^{(i)}$ denotes the planet's initial distance $\rho_0$ where the Jacobi constant $C$ is equal to $C_i$.
\end{table}