\begin{table}%t2
\caption{\label{Par}Asteroid parameters.}
\small 
\begin{tabular}{lrrcrcr}
\hline \hline 
Asteroid  & $D$(km) & Albedo & Type & $a$(AU) & $e$ & $i ~ (\degr)$ \\
\hline 
350 Ornamenta & 99.5 & 0.0679 & C & 3.1130 & 0.157 & 24.90 \\
771 Libera &  29  & 0.13   & X & 2.6518 & 0.248 & 14.94 \\
984 Gretia &  32  & 0.42   & S & 2.8052 & 0.196 &  9.08 \\
\hline
\end{tabular}
\end{table}