\begin{table}%t1
\caption{\label{observations}Observational circumstances.}
\par
%\centerline
 {
\begin{tabular}{l l c c c}         
\hline\hline  \noalign{\smallskip}             
Object                      & Date	   & $\Delta$ (AU) & $r$ (AU) & $\alpha$ (deg)      \\
\hline                        % inserts single horizontal line
(5145) Pholus               &  12 Apr. 2008 & 21.212	   & 21.864   & 2.0 \\
(10199) Chariklo            &	3 Feb. 2008 & 13.311	   & 13.395   & 4.2 \\
                            &	4 Feb. 2008 & 13.296	   & 13.395   & 4.2 \\
(20000) Varuna              &	4 Dec. 2007 & 42.605	   & 43.391   & 0.8 \\
(42301) 2001 UR$_{163}$     &	5 Dec. 2007 & 49.625	   & 50.308   & 0.8 \\
(42355) Typhon              &  12 Apr. 2008 & 16.892	   & 17.650   & 2.2 \\
(44594) 1999 OX$_{3}$       &  21 Sep. 2008 & 22.025	   & 22.889   & 1.3 \\
                            &  22 Sep. 2008 & 22.033	   & 22.888   & 1.3 \\
(52872) Okyrhoe             &	3 Feb. 2008 & 4.883	   & 5.800    & 3.9 \\
                            &	4 Feb. 2008 & 4.877	   & 5.800    & 3.7 \\
(55576) Amycus              &  12 Apr. 2008 & 15.205	   & 16.056   & 1.9 \\
(55637) 2002 UX$_{25}$      &	6 Dec. 2007 & 41.263	   & 41.975   & 0.9 \\
(55638) 2002 VE$_{95}$      &	5 Dec. 2007 & 27.297	   & 28.248   & 0.5 \\
                            &	6 Dec. 2007 & 27.301	   & 28.249   & 0.6 \\
                            &  22 Nov. 2008 & 27.379	   & 28.341   & 0.5 \\
                            &  23 Nov. 2008 & 27.378	   & 28.341   & 0.4 \\
(73480) 2002 PN$_{34}$      &  10 Nov. 2007 & 14.894	   & 15.344   & 3.3 \\
(90377) Sedna               &  21 Sep. 2008 & 87.416	   & 88.015   & 0.5 \\
                            &  22 Sep. 2008 & 87.402	   & 88.014   & 0.5 \\
(90482) Orcus               &	3 Feb. 2008 & 46.904	   & 47.807   & 0.5 \\
                            &	4 Feb. 2008 & 46.900	   & 47.807   & 0.5 \\
(120061) 2003 CO$_{1}$      &	4 Feb. 2008 & 10.937	   & 11.080   & 5.1 \\
                            &  12 Apr. 2008 & 10.179	   & 11.123   & 1.8 \\
                            &  13 Apr. 2008 & 10.175	   & 11.123   & 1.8 \\
(120132) 2003 FY$_{128}$    &  12 Apr. 2008 & 37.477	   & 38.454   & 0.3 \\
(120178) 2003 OP$_{32}$     &  21 Sep. 2008 & 40.546	   & 41.365   & 0.8 \\
(120348) 2004 TY$_{364}$    &  22 Nov. 2008 & 38.840	   & 39.591   & 0.9 \\
                            &  23 Nov. 2008 & 38.849	   & 39.591   & 1.0 \\
(136199) Eris               &	7 Dec. 2007 & 49.652	   & 50.310   & 0.8 \\
(144897) 2004 UX$_{10}$     &	4 Dec. 2007 & 38.145	   & 38.837   & 1.0 \\
                            &	5 Dec. 2007 & 38.158	   & 38.837   & 1.1 \\
                            &	6 Dec. 2007 & 38.170	   & 38.837   & 1.1 \\
                            &  23 Nov. 2008 & 38.059	   & 38.879   & 0.8 \\
(145451) 2005 RM$_{43}$     &	4 Dec. 2007 & 34.298	   & 35.195   & 0.7 \\
                            &	7 Dec. 2007 & 34.316	   & 35.196   & 0.7 \\
(145453) 2005 RR$_{43}$     &	4 Dec. 2007 & 37.623	   & 38.511   & 0.6 \\
                            &	7 Dec. 2007 & 37.642	   & 38.512   & 0.7 \\
(174567) 2003 MW$_{12}$     &  12 Apr. 2008 & 47.314	   & 47.968   & 0.9 \\
                            &  13 Apr. 2008 & 47.302	   & 47.968   & 0.9 \\
(208996) 2003 AZ$_{84}$     &  22 Nov. 2008 & 44.879	   & 45.458   & 1.0 \\
                            &  23 Nov. 2008 & 44.865	   & 45.457   & 1.0 \\
2002 KY$_{14}$              &  21 Sep. 2008 & 7.802	   & 8.649    & 3.8 \\
                            &  22 Sep. 2008 & 7.810	   & 8.649    & 3.8 \\
2003 UZ$_{117}$             &  22 Nov. 2008 & 38.420	   & 39.368   & 0.4 \\
                            &  23 Nov. 2008 & 38.423	   & 39.367   & 0.4 \\
2003 UZ$_{413}$             &	4 Dec. 2007 & 41.171	   & 42.004   & 0.7 \\
                            &  21 Sep. 2008 & 41.466	   & 42.163   & 1.0 \\
                            &  22 Nov. 2008 & 41.276	   & 42.197   & 0.5 \\
                            &  23 Nov. 2008 & 41.282	   & 42.198   & 0.5 \\
2007 UK$_{126}$             &  21 Sep. 2008 & 45.131	   & 45.618   & 1.1 \\
                            &  22 Sep. 2008 & 45.117	   & 45.617   & 1.1 \\
2007 UM$_{126}$             &  21 Sep. 2008 & 10.202	   & 11.163   & 1.5 \\
                            &  22 Sep. 2008 & 10.199	   & 11.165   & 1.5 \\
2007 VH$_{305}$             &  22 Nov. 2008 & 7.854	   & 8.638    & 4.2 \\
                            &  23 Nov. 2008 & 7.863	   & 8.636    & 4.3 \\
2008 FC$_{76}$              &  20 Sep. 2008 & 10.968	   & 11.690   & 3.5 \\
                            &  21 Sep. 2008 & 10.976	   & 11.688   & 3.6 \\
2008 SJ$_{236}$             &  22 Nov. 2008 & 5.522	   & 6.364    & 5.0 \\
                            &  23 Nov. 2008 & 5.530	   & 6.363    & 5.1 \\ 
\hline                                    
\end{tabular}}
\par
\tablefoot{$\Delta$, $r$ and $\alpha$ are the topocentric distance, the heliocentric distance, and the phase angle, respectively. }
\end{table}