 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 am  -au     -7.559 -138.175  0.6584
  
 covariance matrix (rad2/m.y.2 e-10
      85.3    -134.8    -167.3
    -134.8     259.4     307.8
    -167.3     307.8     400.7
  
