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)  
51655.50   82698  342329  2531617   9634  2122  2132    1539       0   0  0  0
51656.50   82944  341686  2522736   8128  4650  4650    4024       0   0  0  0
51657.50   83188  341004  2515214   6917  5407  5407    5946       0   0  0  0