 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 au  -eu     15.841   45.482  0.6749
  
 covariance matrix (rad2/m.y.2 e-10
     309.7     164.9      91.8
     164.9     301.0      62.8
      91.8      62.8     328.8
  
