 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 SB  -JZ    -28.141  -88.049 24.6324
  
 covariance matrix (rad2/m.y.2 e-10
   11791.3     289.4    -127.3
     289.4   13014.6    -483.9
    -127.3    -483.9   11985.7
  
