 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 au  -xx     33.861   37.941  0.6316
  
 covariance matrix (rad2/m.y.2 e-10
     137.5      67.8      65.8
      67.8     116.2       2.4
      65.8       2.4     133.5
  
