\begin{table}%t1
\caption{Orbital parameters of (3200) Phaethon and 2005 UD (equinox J2000).}
\label{tbl:orbits}
%\centering
\par
\begin{tabular}{lccc}
\hline
\hline
Object & \multicolumn{2}{c}{(3200) Phaethon} & 2005 UD \\%
\hline
osculation epoch (TT) & 2005 Aug. 18.0 & $-2581$ Aug. 18.0 & 2005 Aug. 18.0 \\
mean anomaly $M$      &  $115\fdg81866$ & $117\fdg04318$ & $353\fdg33143$ \\
perihelion distance $q$ (AU) & 0.1398186 & 0.1534601 & 0.1629124 \\
semimajor axis $a$ (AU) & 1.2713838 & 1.2737898 & 1.2747596 \\
eccentricity $e$ & 0.8900265 & 0.8795248 & 0.8722015 \\
argument of perihelion $\omega$ & $321\fdg99112$ & $207\fdg64364$ & $207\fdg46774$ \\
longitude of ascending node $\Omega$ & $265\fdg41395$ & $22\fdg12450$ & $19\fdg84550$ \\
inclination $i$  & $22\fdg17403$ & $28\fdg32959$ & $28\fdg74946$ \\
\# of observations &  1496 & & 287 \\
arc (oppositions) & 1983--2005 (19) & & Oct. 22--Nov. 17 \\
RMS residual & $0''.58$ & & $0''.25$ \\
absolute mag. $H$  &  14.5 & & 17.5 \\
reference & JPL & this work &  Nakano (\cite{nakano2005}) \\
\hline
\end{tabular}
\end{table}