 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ar  -ON    -24.447  -37.152  2.5991
  
 covariance matrix (rad2/m.y.2 e-10
    1957.9      86.3     157.2
      86.3    2888.2     128.7
     157.2     128.7    2046.6
  
