\begin{table}%t3 \caption{\label{phot}Circumstances of and magnitudes from photometric observations.} %%\centering \par \begin{tabular}{lcccccc} \hline \hline \noalign{\smallskip} Obj & (52872) & (52872) & (73480)&(73480) & (90482) & (90482) \\ & Okyrhoe & Okyrhoe & 2002 PN$_{34}$ & 2002 PN$_{34}$ & Orcus & Orcus \\ Date & 3 Feb. 2008 & 4 Feb. 2008 & 10 Nov. 2007 & 10 Nov. 2007 & 3 Feb. 2008 & 4 Feb. 2008 \\ \hline UT$_{\rm start}$ & 06:41 & 06:18 & 00:36 & 02:23 & 04:46 & 05:04 \\ $V$ & & $18.63\pm0.02$ & 20.68 $\pm$ 0.03 & & & $19.12\pm0.02$ \\ $R$ & & $18.14\pm0.02$ & 20.25 $\pm$ 0.05 & & & $18.73\pm0.02$ \\ $I$ & & $17.64\pm0.02$ & & & & $18.37\pm0.02$ \\ $J$ & $16.84\pm0.06$ & & &19.00 $\pm$ 0.05 & $17.91\pm0.05$ & \\ $H$ & $16.39\pm0.07$ & & & 18.49 $\pm$ 0.06 & $17.72\pm0.07$ & \\ $K_{\rm s}$ & $16.28\pm0.05$ & & & 18.29 $\pm$ 0.05 & $17.89\pm0.05$ & \\ $\Delta$ (AU)\tablefootmark{a} & 4.883 & 4.877 & 14.894 & 14.894 & 46.904 & 46.9 \\ $r$ (AU) & 5.800 & 5.800 & 15.344 & 15.344 & 47.807 & 47.807 \\ $\alpha$ (deg) & 3.9 & 3.7 & 3.3 & 3.3 & 0.5 & 0.5 \\ \hline \end{tabular} \tablefoot {\tablefoottext{a}{$\Delta$, $r$, and $\alpha$ are the topocentric distance, heliocentric distance, and phase angle, respectively.}} \end{table}