\begin{table}%t4
%\centering
\par
\caption{\label{M55}Values of $M_{5,5}$ in Jupiter after the 2:1 resonance crossing with Saturn as a function of the migration e-folding time, $\tau$.}
\begin{tabular}{cc}
\hline\hline
$\tau$ [Myr] & $M_{5,5} \times 10^{-3}$ \\
\hline 
1 & 3.55\\ 
2 &  4.41\\
5 & 7.49 \\
10 & 7.02 \\
20 & 5.05  \\
\hline  
\end{tabular}
\end{table}