 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sm  -ar    -23.026 -154.549  0.4123
  
 covariance matrix (rad2/m.y.2 e-10
     270.2     276.7      71.8
     276.7     344.4      72.7
      71.8      72.7      42.4
  
