\begin{table}
\caption{Approximation for the obliquity of the Earth, following Eq.~(\ref{eq.decobli}). This expression is not 
strictly quasiperiodic, because of the presence of 
the dissipative term~$p_1$ in the evolution of the precesion frequency~(\ref{eq.decobli}).}
%\centering

\begin{tabular}{rcrrrr}
\hline\hline
  ~$k$ &    &  ~$\nu'_k$ ($''$/yr) & ~$P$ (yr) & ~$a'_k$ &~$\phi'_k$ (d) \\ 
\hline
  1 &~$ p + s_3       ~$    &   31.626665 &        40~978 &     0.582412 &~$      86.645$\\  
  2 &~$ p + s_4       ~$    &   32.713667 &        39~616 &     0.242559 &~$     120.859$\\  
  3 &~$ p + s_6       ~$    &   24.124241 &        53~722 &     0.163685 &~$     -35.947$\\  
  4 &~$ p + \nu_6     ~$    &   32.170778 &        40~285 &     0.164787 &~$     104.689$\\  
  5 &~$ p + \nu_{10}  ~$    &   31.081475 &        41~697 &     0.095382 &~$    -112.872$\\  
  6 &~$ p + \nu_{20}  ~$    &   31.493347 &        41~152 &     0.094379 &~$      60.778$\\  
  7 &~$ p + s_6+g_5-g_6$    &    0.135393 &      9~572~151 &     0.087136 &~$      39.928$\\  
  8 &~$ p + s_2       ~$    &   43.428193 &        29~842 &     0.064348 &~$     -15.130$\\  
  9 &~$ p + s_1       ~$    &   44.865444 &        28~886 &     0.072451 &~$    -155.175$\\  
 10 &~$               ~$    &   31.756641 &        40~810 &     0.080146 &~$     -70.983$\\  
 11 &~$ p + \nu_{13}  ~$    &   31.365950 &        41~319 &     0.072919 &~$      10.533$\\  
 12 &~$               ~$    &   32.839446 &        39~465 &     0.033666 &~$     -31.614$\\  
 13 &~$               ~$    &   32.576100 &        39~784 &     0.033722 &~$      77.554$\\  
 14 &~$               ~$    &   32.035200 &        40~455 &     0.030677 &~$      71.757$\\  
 15 &~$ p + \nu_{8}   ~$    &   43.537092 &        29~768 &     0.039351 &~$     145.835$\\  
 16 &~$ p + \nu_{7}   ~$    &   43.307432 &        29~926 &     0.030375 &~$     160.109$\\  
 17 &~$ p + \nu_{9}   ~$    &   43.650496 &        29~690 &     0.024733 &~$     144.926$\\  
 18 &~$               ~$    &   31.903983 &        40~622 &     0.025201 &~$    -173.656$\\  
 19 &~$               ~$    &   30.945195 &        41~880 &     0.021615 &~$    -144.933$\\  
 20 &~$               ~$    &   23.986877 &        54~030 &     0.021565 &~$     -79.670$\\  
 21 &~$               ~$    &   24.257837 &        53~426 &     0.021270 &~$    -178.441$\\  
 22 &~$               ~$    &   32.312463 &        40~108 &     0.021851 &~$     -24.566$\\  
 23 &~$               ~$    &   44.693687 &        28~997 &     0.014725 &~$     124.744$\\  
\hline
\end{tabular}
\llabel{tab.obli}
\end{table}