 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sw  -am    -38.733  -30.343  1.5101
  
 covariance matrix (rad2/m.y.2 e-10
  130452.3  -65645.8 -228318.5
  -65645.8   36613.7  116851.0
 -228318.5  116851.0  403387.2
  
