\begin{table}%t1
\caption{\label{t1}Aspect data of photometric observations and magnitudes.}  
%\centering
\par
\begin{tabular}{ccccrccc}        
\hline\hline\noalign{\smallskip}                 
Date &   $r$   & $\Delta$ & $\lambda$ & $\beta$ & $\alpha$ & $V_{0}$(1, $\alpha$) & Filter\\  
(UT)     & (AU)  &   (AU)   &   (deg)  & (deg)  & (deg)  & (mag) &  \\
\hline                        
2004 09 16.07&2.163&1.416&47.72&--3.86&22.17&8.32 $\pm$ 0.03&{\it BVRI} \\
2004 09 17.06&2.164&1.408&47.74&--3.86&21.87&8.35 $\pm$ 0.04&{\it BVRI} \\
2004 10 07.06&2.195&1.285&46.31&--3.93&14.12&8.06 $\pm$ 0.03&{\it BVRI} \\
2004 10 08.09&2.197&1.281&46.15&--3.93&13.65&8.04 $\pm$ 0.02&{\it BVRI} \\
2004 11 10.81&2.254&1.274&38.40&--3.34& 4.75&7.63 $\pm$ 0.02&{\it V}  \\
2008 11 28.96&2.420&1.434&69.00&--1.15& 0.91&--            &{\it V}  \\
2008 11 29.76&2.421&1.435&68.79&--1.12& 0.58&7.28 $\pm$ 0.02&{\it V } \\
2008 11 30.91&2.423&1.437&68.50&--1.10& 0.51&7.24 $\pm$ 0.02&{\it V}  \\
2008 12 01.96&2.425&1.440&68.22&--1.08& 0.89&7.30 $\pm$ 0.02&{\it V } \\
2008 12 02.99&2.427&1.442&67.95&--1.05& 1.39&7.36 $\pm$ 0.02&{\it V } \\
2008 12 03.86&2.429&1.445&67.74&--1.03& 1.81&7.40 $\pm$ 0.02&{\it V } \\
2008 12 15.71&2.450&1.499&64.80&--0.74& 7.59&7.78 $\pm$ 0.02&{\it V } \\
2009 03 10.80&2.593&2.569&70.60& 0.63&22.18&8.28 $\pm$ 0.03&{\it VR } \\
2009 03 11.75&2.594&2.583&70.87& 0.64&22.12&8.25 $\pm$ 0.03&{\it VR } \\
\hline
\end{tabular}\vspace*{2.5mm}
\end{table}