\begin{table}%t3
 \caption{ \label{tab3}Changes in the P/2004 A1 (LONEOS) orbital parameters due to Saturn's close encounter.}
     %\centering
\par
     \begin{tabular}{l c c c}
     \hline\hline
      Parameter & Before encounter & After encounter & Present \\
     \hline
     Perihelion distance (AU) & 9.78 & 4.79 & 5.46 \\
     Semi-major axis (AU)    & 12.17 & 7.51 & 7.92 \\
     Aphelion distance  (AU) & 14.56 & 10.22 & 10.37 \\
     Eccentricity    & 0.20 & 0.36 & 0.31 \\
     Inclination ($^\circ$)  & 11.39 & 17.73 & 8.02 \\
     \hline
     \end{tabular}
      \end{table}