\begin{table}%t2
      \caption{Physical data, taxonomic classification of the asteroids, and estimated ages for the breakup of their corresponding families.}\label{analysis}
\small%\centerline
 {
         \begin{tabular}{lcccccclc}
            \hline
            \hline
            Asteroid & $H$    & $D$   &  $a_{\rm P}$ & $e_{\rm P}$ & $i_{\rm P}$ & Taxon.  & Family & Age\  of             \\
                     &(mag)&(km) & (AU) &     &     & class   &        & family$^{{a}}$\\
            \hline
 (1270) Datura &  12.5& 10.8 & 2.23 &0.15& 5.33& Sk&Datura & $450\pm50$ Ky\\
 (60~151) 1999 UZ6 & 16.3& 1.9 & 2.23 & 0.15& 5.32&Sk&Datura & $450\pm50$ Ky\\
 (90~265) 2003 CL5 & 15.4& 2.9 & 2.23 & 0.15& 5.32& Sq&Datura & $450\pm50$ Ky\\
2001 WY35&17.0&1.4 &2.23& 0.15 & 5.33& O/Q& Datura & $450\pm50$ Ky\\
 (16~598)1992 YC2 &14.7 & 3.9 & 2.59& 0.18& 17.22& Sq& (16598) & $50{-}250$ Ky\\
2004 XL40&17.0&1.4 &2.28& 0.13& 5.31& Sq&Lucascavin& 300--800 Ky\\
           \hline
         \end{tabular}}
\medskip
$^{{a}}$ Determined by \cite{Nesvorny2006b}, and the effective diameters ($D$) were estimated assuming an albedo $p_v=0.15$.
\end{table}