 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 au  -ar    -10.305   82.422  0.3863
  
 covariance matrix (rad2/m.y.2 e-10
     321.1     397.2     156.9
     397.2     724.8     144.1
     156.9     144.1     213.8
  
