\begin{table}%t2
\caption{Parabolic orbital elements for the individual apparitions from C2 observations only that have been used as a starting point for the identification, in comparison to the actual C2 link. For the elements two data points from 2003 with overall residuals larger than 50 arcsec were excluded.}\label{link}
%\centerline
{
\begin{tabular}{l c c c c c}
\hline\hline
& C/1999 R1 (SOHO) &  & C/2003 R5 (SOHO) & \hspace{0.3cm} & C/1999 R1 = C/2003 R5 (SOHO) \\ \cline{2-2} \cline{4-4} \cline{6-6}
Epoch & 1999 Sep. 5.0 & & 2003 Sep. 8.0 & & 2003 Sep. 8.0 \\
$T$ & 1999 Sep. 5.53 & & 2003 Sep. 8.82 & & 2003 Sep. 8.82 \\
$q$ [AU] & 0.0556 & & 0.0569 & & 0.0570 \\
$e$ & 1.0 & & 1.0 & & 0.97757\\
$\omega$ [deg] & 43.88 & & 44.04 & & 43.58\\
$\Omega$ [deg] & 5.65 & & 4.81 & & 5.04 \\
$i$ [deg] & 13.60 & & 14.14 & & 13.67 \\
$P$ [yr] & n/a & &n/a & & 4.01 \\
rms [\arcsec] & 5.4 & & 13.7 & & 13.6 \\ \hline
\end{tabular}}
\par
\medskip
{$T$...Time of perihelion, $q$...Perihelion distance, $e$...Eccentricity, $\omega$...Argument of perihelion,} \\
{$\Omega$...Ascending node, $i$...Inclination, $P$...Orbital period, rms...Root mean square of residuals.}
\par
\end{table}