\begin{table}%t1
%\centering
\par
\caption {\label{tab1}Values of $\varepsilon_{\rm crit}$ (in degrees) for various exterior
and interior resonances with a planet in a circular orbit of radius $a_{P}$
$=$ 30.058 AU. The particle is characterized by $\beta = 0.01$
and the solar wind by $\eta = 1/3$ and $u = 400$~km~s$^{-1}$.}
\begin{tabular}{c c c c}
\hline
\hline
Resonant & $\varepsilon_{\rm crit}$ & $\varepsilon_{\rm crit}$ &
$\varepsilon_{\rm crit}$\\
type & $ \bar{Q}'_{\rm pr}= 1/2$ & $\bar{Q}'_{\rm pr}= 1$ & $\bar{Q}'_{\rm pr}=$ 3/2\\
\hline
2/1 & 1.539 & 2.463 & 3.388\\
3/2 & 1.694 & 2.711 & 3.729\\
4/3 & 1.762 & 2.820 & 3.879\\
5/4 & 1.800 & 2.881 & 3.963\\
6/5 & 1.825 & 2.921 & 4.018\\
1/2 & 2.444 & 3.912 & 5.383\\
2/3 & 2.220 & 3.554 & 4.889\\
3/4 & 2.135 & 3.417 & 4.700\\
4/5 & 2.089 & 3.344 & 4.600\\
5/6 & 2.061 & 3.299 & 4.538\\
\hline
\end{tabular}
\end{table}