 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sm  -ps     59.885  167.871  1.0571
  
 covariance matrix (rad2/m.y.2 e-10
     986.6    -854.6    -576.8
    -854.6    1800.4     641.1
    -576.8     641.1     558.0
  
