\begin{table}%t9
%\centering
\par
\caption{\label{orbpos3}Orbital parameters for giant-dwarf interactions.}
\par
\begin{tabular}{cccccc}
\hline\hline \noalign{\smallskip}
orb.id & $r_{{\rm ini}}$\tablefootmark{a} &  $v_{{\rm ini}}$\tablefootmark{b}  & $L$\tablefootmark{c}  & $E$\tablefootmark{d} & spin\tablefootmark{e}\\
& kpc & 10$^2$ km~s$^{-1}$ & 10$^2$~km~s$^{-1}$~kpc &  10$^4$~km$^2$~s$^{-2}$ &\\
       \hline
       01dir & 100.& 1.48&29.66&0.& up\\
       01ret & 100.& 1.48&29.66&0.& down\\
       02dir & 100.& 1.52&29.69&0.05& up\\
       02ret & 100.& 1.52&29.69&0.05& down\\
       03dir & 100.& 1.55&29.72&0.1& up\\
       03ret & 100.& 1.55&29.72&0.1& down\\
       04dir & 100.& 1.48&36.33&0.0& up\\
       04ret & 100.& 1.48&36.33&0.0& down\\
       05dir & 100.& 1.52&36.38&0.05& up\\
       05ret & 100.& 1.52&36.38&0.05& down\\
       06dir & 100.& 1.55&36.43&0.1& up\\
       06ret & 100.& 1.55&36.43&0.1& down\\
              \hline
         \end{tabular}
\tablefoot{\tablefoottext{a}{Initial distance between the two galaxies;} 
\tablefoottext{b}{absolute value of the initial relative velocity;}
\tablefoottext{c}{$L=\mid\bf{r_{{\rm ini}}} \times \bf{v_{{\rm ini}}}\mid $;}
\tablefoottext{d}{$E={v_{{\rm ini}}}^2/2-G(m_1+m_2)/r_{{\rm ini}}$, with $m_1=2.3 \times 10^{11}~M_{\odot}$ and $m_2=2.3\times10^{10}~M_{\odot}$;}
\tablefoottext{e}{orbital spin, if the $z$-component is parallel (up) or anti-parallel (down) to the $z$-axis.}}
   \end{table}