\begin{table}%t2
      \caption{Mars Express orbits and satellite flybys.
         \label{tab2}}
     $$ 
%         \begin{array}{p{0.5\linewidth}l}
         \begin{tabular}{c c c c}
            \hline\hline
            \noalign{\smallskip}
            Orbit No & Encounter time &    True anomaly, &  Flyby distance, \\
                     & UTC              &    deg           &  km \\
            \noalign{\smallskip}
            \hline
            \noalign{\smallskip}
\par
Phobos: & & &   \\
\par
 413 &	2004-05-18T08:34   &    37.7  &  	 1883 \\
 649 &	2004-07-23T12:40   &   184.4  &  	 1836       *  \\
 682 &	2004-08-01T18:35   &   178.5  &          1469 \\
 715 &  2004-08-11T00:30   &   172.5  &          1213 \\
 748 &	2004-08-20T06:25   &   167.0  & 	 1247 \\
 756 &	2004-08-22T12:06   &   170.6  &	          149        *$^,$  **  \\
1064 &	2004-11-16T14:22   &   121.5  &	         4676 \\
1163 &	2004-12-14T08:06   &   102.9  &	         3835 \\
1212 &	2004-12-28T01:18   &   101.0  &	         1965          **  \\
1558 &	2005-04-03T23:51   &    47.9  & 	 3598 \\
1574 &	2005-04-08T11:21   &    63.1  & 	 3797 \\
1607 &	2005-04-17T17:15   &    55.5  & 	 3977 \\
\par
Deimos: & & &   \\
\par
0973 &   2004-10-22T08:06  &    239.1	&         10~931 \\
1010 &   2004-11-01T10:15  &    240.1	&	  11~068 \\
1222 &   2004-12-30T19:34  &    260.8	&	  11~844 \\
\par
            \noalign{\smallskip}
            \hline
         \end{tabular} %{array}
     $$ 
\par
 $^{{*}}$  Camera was slewed across target, all others: inertial pointing.\\
 $^{{**}}$  No SRC images available from this orbit.
\par
   \end{table}