 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sm  -ND     56.577  -57.013  0.2688
  
 covariance matrix (rad2/m.y.2 e-10
    1740.7     200.6     -54.6
     200.6    2753.8     162.7
     -54.6     162.7    1962.2
  
