 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 au  -lw     11.944   54.180  0.6146
  
 covariance matrix (rad2/m.y.2 e-10
     437.0     406.1    -294.5
     406.1     509.5    -279.1
    -294.5    -279.1     589.0
  
