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)  
51674.50   87326  329696  2335718   9709  2118  2166    1511       0   0  0  0
51675.50   87276  328877  2325552  10623  4650  4650    4024       0   0  0  0
51676.50   87275  328053  2314554  11372  5407  5407    5946       0   0  0  0