 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 JZ  -an     33.620   70.694 22.3260
  
 covariance matrix (rad2/m.y.2 e-10
    5385.4     428.4    -118.6
     428.4    6955.2    -474.4
    -118.6    -474.4    5603.6
  
