\begin{table}%t5
      \caption{Radiometric diameter and albedo values, derived
                 from the LWS L02 measurements.}
         \label{tbl:tpm_results}
         %\centering
\par
         \small
\begin{tabular}{lccc}
\hline
\hline
Object & $D_{\rm eff}$ [km] & $p_{V}$  & $N$ \\
\hline
 (1) Ceres  &  959.6 $\pm$ 16.9 & 0.096 $\pm$ 0.003 & 55 \\
 (2) Pallas &  534.4 $\pm$ 14.7 & 0.142 $\pm$ 0.009 & 20 \\
 (4) Vesta  &  548.5 $\pm$ 12.5 & 0.317 $\pm$ 0.015 & 70 \\
(10) Hygiea &  469.3 $\pm$ 26.5 & 0.056 $\pm$ 0.006 & 20 \\
\hline
\end{tabular}
\end{table}