 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 PM  -au    -13.579 -132.554  0.7961
  
 covariance matrix (rad2/m.y.2 e-10
    1873.7    -186.7      87.6
    -186.7    2739.8       0.7
      87.6       0.7    2099.4
  
