\begin{table}%t4
%\centering
\par
\caption{\label{Tab_MCMC} MCMC parameters for \protect\centotrentatre, 2P/Encke, and (1) Ceres.}
\begin{tabular}{llll}
\hline\hline\noalign{\smallskip}
&\multicolumn{1}{c}{133P/Elst-Pizarro}&\multicolumn{1}{c}{2P/Encke}&\multicolumn{1}{c}{(1) Ceres}\\
\hline\\[-3mm]
$s$      & $\phantom{-}0.87^{\rm +0.47}_{-0.31}$&$0.31^{\rm +0.27}_{-0.24}$   &  $0.731^{\rm +0.051}_{-0.024}$\\[2mm]
$y_1$    & $\phantom{-}2.39^{\rm +2.19}_{-0.84}$   & $0.99^{\rm +0.41}_{-0.26}$   &  $3.258^{\rm +0.281}_{-0.079}$\\[2mm]
$y_2$    & $\phantom{-}0.412^{\rm +0.033}_{-0.412}$ & $0.236^{\rm +0.064}_{-0.047}$& $0.2053^{\rm +0.0023}_{-0.0159}$\\[2mm]   
$\Re(Z)$ & $-0.20^{\rm +0.56}_{-0.50}$  & $1.15^{\rm +0.31}_{-0.22}$   & $0.0037^{\rm +0.0385}_{-0.1000}$    \\[2mm]
$\Im(Z)$ & $-0.39^{\rm +1.82}_{-0.36}$  & $1.975^{\rm +0.328}_{-0.099}$ & $2.0607^{\rm +0.0996}_{-0.0048}$   \\[2mm]
$w$      & $\phantom{-}0.71^{\rm +0.15}_{-0.21}$   & $0.848^{\rm +0.36}_{-0.045}$  &$0.8084^{\rm +0.0070}_{-0.0096}$\\[1mm]
\hline
\end{tabular}
\tablefoot{$\Re(Z)$ and $\Im(Z)$ are the real and imaginary parts of the complex amplitude $Z$, respectively.}
\end{table}