\begin{table}%t2
\caption{\label{orbtable2}Orbital parameters for the gS0-sE0 interactions.}
\small
%\centering
\par
\begin{tabular}{cccccc}
\hline\hline\noalign{\smallskip}
       Orbit id & $r_{\rm ini}$\tablefootmark{a} &  $v_{\rm ini}$\tablefootmark{b}  & $L$\tablefootmark{c}  & $E$\tablefootmark{d} & Spin\tablefootmark{e}\\ 
       \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\\
\hline 
\end{tabular}
\tablefoot{\tablefoottext{a}{Initial distance between the two galaxies, in kpc.}\\
\tablefoottext{b}{Absolute value of the initial relative velocity,
in units of 100~km~s$^{-1}$.}\\
\tablefoottext{c}{$L=\mid\vec{r}_{\rm ini} \times \vec{v}_{\rm ini}\mid $,
in units of $10^2$~km~s$^{-1}$~kpc.}\\
\tablefoottext{d}{$E={v_{\rm ini}}^2/2-G(m_1+m_2)/r_{\rm ini}$, with
$m_1=2.3\times10^{11}~M_{\odot}$ and $m_2=2.3\times10^{10}~M_{\odot}$,
in units of $10^4$~km$^2$~s$^{-2}$.}\\
\tablefoottext{e}{Orbital spin, if parallel (up) or antiparallel
(down) to the $z$-axis.}}
\end{table}