 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ON  -PM     31.760  131.048  2.5299
  
 covariance matrix (rad2/m.y.2 e-10
    3454.2    -266.4      38.7
    -266.4    4445.8     102.6
      38.7     102.6    3706.9
  
