\begin{table}%t3
%\centering
\par
\caption{
\label{table:orbitalelementshd171238andhd204313}
Single planet Keplerian orbital solutions
for  \object{ {\footnotesize HD}~171238} and  for  \object{ {\footnotesize HD}~204313}
 as well as inferred planetary parameters.}
\begin{tabular}{llccc}
\hline\hline
Parameters          &                            &      \object{ {\footnotesize HD}~171238}~b          & \object{ {\footnotesize HD}~204313}~b              \\
\hline                                                                                                   \\[-3mm]                                                                   
$\gamma_{\sc C98}$            &  [km~s$^{-1}$]              &     $21.662\pm0.006$ & $-9.785\pm0.0018$    \\  
$\gamma_{\sc C07}$            &  [km~s$^{-1}$]         &     $21.641\pm0.002$ &      $-9.762\pm0.0031$   \\
\hline                                                                                       \\[-3mm]                                                                                                            
$P$                 &  [days]                    &     $1523_{-45}^{+40}$   & $1931\pm18$       \\  
$K$                 & [ms$^{-1}$]                 &     $52.2\pm1.8$  &   $64.8\pm1.5$        \\  
$e$                 &                            &     $0.400_{-0.065}^{+0.061}$  &  $0.131\pm0.023$      \\[0.5mm]  
 $\omega$           & [deg]                      &     $47.0_{-9.8}^{+9.9}$   &  $-57\pm11$           \\  
$T_{0}$             &[JD$^{*}$]                   &      $5062\pm20$   & $ 3989\pm62$       \\
 \hline         \\[-3mm]                                                         
$a_{1}~ \sin{i}$      & [$10^{-3}$~AU    ]         &     $6.68\pm0.32 $             &        $11.40\pm0.31 $      \\
$f_{1}(m)$              & [$10^{-9}$~$M_{\odot}$  ]   &   $17.3\pm2.4$              &    $  53.2\pm4.0   $      \\
$m_{p}~ \sin{i}$  & [$M_{\rm Jup}$]             &  $2.60\pm0.15 $               &  $4.05\pm0.17 $            \\
  $a$               & [AU]                      &  $2.54\pm0.06$                 &        $  3.082\pm0.055 $      \\
\par
\hline                                                                   
N$_{\rm mes}$            &                           &   96             & 97                \\
$\Delta T$        & [years]                    &  6.82              &8.06                 \\
$\chi_{\rm r}$                          &                &  $1.60\pm0.07$ &   $1.24\pm0.07$               \\ 
G.o.F                           &                       &     7.41&        3.09                 \\ 
$\sigma_{\rm (O-C)}$     & [ms$^{-1}$]                &  10.25             & 8.11                \\                        
\hline
\end{tabular}
\end{table}