\begin{table}%t1
%\centering
\par
\caption{Initial conditions of modified epicyclic elements.} \label{table:initialconditions}
\begin{tabular}{ccccc}
\hline\hline
Element & Orbit a & Orbit b & Orbit c  & Orbit d \\ \hline
$\alpha'_1$  &  $-$0.10864123127914  & $-$0.10231171842506 & $-$0.00008196453570 & $-$0.04112399160302 \\
$\beta'_1$  &  $-$0.01148486470826  & 0.07599421656239 & $-$0.00002774650455  & 0.03609025142917\\
$\alpha'_3$  & 0.01161103313401 & $-$0.03302231457138  & 0.00740671376491  &$-$0.00634686137545 \\
$\beta'_3$  &   $-$0.02444120470022 & $-$0.03408655056146  & 0.01169399641494 &  0.03581287399502\\
 \hline
\end{tabular}
\end{table}