 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 au  -cp    -25.761   84.661  0.1697
  
 covariance matrix (rad2/m.y.2 e-10
      94.8     179.4     -94.4
     179.4     933.6    -486.2
     -94.4    -486.2     317.5
  
