 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 JZ  -au     34.135   71.645 21.8071
  
 covariance matrix (rad2/m.y.2 e-10
    5427.0     214.1     -32.7
     214.1    6667.5    -540.9
     -32.7    -540.9    5725.8
  
