 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sc  -au    -24.844 -134.927  0.7041
  
 covariance matrix (rad2/m.y.2 e-10
     426.2    -148.9    -682.9
    -148.9     738.0    1278.0
    -682.9    1278.0    4082.5
  
