 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NB  -au    -50.179  168.687  1.2471
  
 covariance matrix (rad2/m.y.2 e-10
    1663.3     -75.3      94.6
     -75.3    1680.5     -57.0
      94.6     -57.0    1767.7
  
