 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 MN  -au     -4.044  150.806 51.7937
  
 covariance matrix (rad2/m.y.2 e-10
    3044.2     -75.3      94.6
     -75.3    3061.3     -57.0
      94.6     -57.0    3148.5
  
