\begin{table}%t2
\caption{\label{tab2}Orbital elements of  the three  near-Earth asteroids.}
%\centering
\small
\begin{tabular}{lcccccccccccc}
\hline \hline
Asteroid  & $a$ & $e$ & $q$ & $i^{\circ}$ & $\Omega^{\circ}$ & $\omega^{\circ}$ & $\pi^{\circ}$ & $H$ & $d$ & $R_{\rm a}$ & $R_{\rm d}$ & $T_{j}$\\
&AU&&AU&&&&&&km&AU&AU&\\
\hline
2002JS2&2.131&0.825&0.379&11.5&124.0&320.1&84.1&17.57&1.53&0.42&1.86&3.14\\
2002PD11&2.226&0.863&0.304&11.6&298.5&149.0&87.5&19.97&0.51&2.18&0.32&2.98\\
2003MT9&2.520&0.920&0.202&6.8&233.2&200.7&73.9&18.53&0.98&2.78&0.21&2.62\\
\hline
\end{tabular}
\end{table}