\begin{table}%T4
%\centering
\small
\caption{Orbit parameters, for the four different distances. 
%
Unit description: 
$d${[kpc]}, 
$L_{\rm z}${[kpc~km~s$^{-1}$]}, 
$E_{\rm tot}${[${\rm 10 \times km^2~ s^{-2}}$]}, 
$P${[Myr]}, 
$R_{\rm a}${[kpc]}, 
$R_{\rm p}${[kpc]}, 
$z_{\rm max}${[kpc]}, 
$e${[pure number]}. 
%
}
\label{orbOUT}
\begin{tabular}{cccccccc}
\hline\hline
  $d$ & $L_{\rm z}$  & $E_{\rm tot}$& $P$
                     & $R_{\rm a}$& $R_{\rm p}$  &$z_{\rm max}$&  $e$   \\
(1)& (2)& (3)& (4)& (5)& (6)& (7)& (8)\\
%{[kpc]} 
%    & {[kpc~km~s$^{-1}$]} 
%                   & {[${\rm 10 \times km^2 s^{-2}}$]} 
%                                    & {[Myr]} 
%                                          & {[kpc]} 
%                                                 & {[kpc]} 
%                                                        & {[kpc]}   &  \\
\hline
%#  d     Lz             Etot      P         Ra     Rp    z_max    e
% kpc   Kpc~km~sec-1  10*km^2 sec-2   Myr      kpc    kpc     kpc
1.8 &  933         & $-$10203       & 112 & 6.92 & 3.34 & 1.84  & 0.35 \\
2.0 &  846         & $-$9899        & 102 & 6.78 & 2.94 & 2.02  & 0.39 \\
2.2 &  766         & $-$9634        &  99 & 6.74 & 2.83 & 2.80  & 0.41 \\
2.4 &  693         & $-$9424        &  93 & 6.59 & 2.57 & 3.11  & 0.44 \\
%&&&&\\
\hline                                   %inserts single line
\end{tabular}
\end{table}