 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 au  -nb     12.570   55.963  0.6248
  
 covariance matrix (rad2/m.y.2 e-10
     181.4     162.8       8.5
     162.8     319.6      58.2
       8.5      58.2     263.4
  
