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)  
51647.50   82291  343035  2635631  10081  2122  2141    1564       0   0  0  0
51648.50   83582  342842  2625173  10834  4650  4650    4024       0   0  0  0
51649.50   84753  342561  2614095  11323  5407  5407    5946       0   0  0  0