\begin{table}%t2
\caption{\label{table:2}Variation ranges for some orbital parameters over the $10^6$~yr integration.}
%\centering
\small         
\begin{tabular}{l l l}     
\hline\hline
Planet & $a$ (AU) & Eccentricity  \\
\hline
b & 0.04099--0.04100  & 0.0121--0.0973 \\
c & 0.0729--0.0730 & 0.0627--0.1605 \\
d & 0.2494--0.2500 & 0.1979--0.2024  \\
\hline                  
\end{tabular}
\end{table}