version 2
Source: IERS Bulletin A (   0_   0_ )

Orbits: to be used with the IGS Prediction Service Orbits (IGP)

  MJD      Xpole   Ypole  UT1-UTC    LOD  Xsig  Ysig   UTsig  LODsig  Nr Nf Nt
             (10**-6")       (0.1 usec)    (10**-6")    (0.1 usec)  
51838.50  -39656  264749  1577106  11795  2124  2101     103       0   0  0  0
51839.50  -40956  265617  1564392  13633  4650  4650     124       0   0  0  0
51840.50  -42227  266490  1549950  15250  5407  5407     163       0   0  0  0