\begin{table}%t4 %\centering \par \caption{\label{tab:midtimes}Calculated vs. observed (C--O) midtime residuals for the ephemerides considered in this paper.} \begin{tabular}{ccccccc} \hline\hline Date &Event & Obs. & Fitted midtime & C--O sec (km) & C--O sec (km) & C--O sec (km)\\ (DDMMYY) & type & site & (UT) & {(GUST86)} & {(LA06)} & {(RJ07)} \\ \hline 040507 & 4O2P & FTS & 19:09:53 & $-$142 ($-$1010) & $-$16 ($-$110) & $-$34 ($-$240) \\ 050807 & 4O2P & FTN & 13:53:49 & $-$149 ($-$180) & +137 (+170) & +19 (+20) \\ 140807 & 2O4P & ATH1 & 01:34:25 & $-$177 ($-$1020) & $-$40 ($-$230) & $-$77 ($-$440) \\ 220807 & 2E5T & FTN & 15:03:37 & $-$148 ($-$540) & $-$47 ($-$170) & $-$33 ($-$120) \\ 240807 & 1O2P & FTN & 12:24:04 & $-$197 ($-$440) & $-$81 ($-$180) & $-$57 ($-$130) \\ 121007 & 4E5T & FTN & 09:51:53 & $-$117 ($-$610) & $-$42 ($-$220) & $-$77 ($-$400) \\ 301107 & 1E5T & FTN & 08:53:58 & $-$24 ($-$180) & $-$35 ($-$260) & $-$31 ($-$230) \\ 301107 & 3E4P & SALT & 18:47:36 & $-$124 ($-$250) & +69 (+140) & $-$34 ($-$70) \\ \hline \multicolumn{4}{c}{{Median C--O}} & {$-$145} ($-$480) & {$-$38} ($-$180) & {$-$34} ($-$180) \\ \hline \end{tabular} \par \end{table}