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)  
51737.50  103112  270119  1998957   1542  2141  2126    1566       0   0  0  0
51738.50  102338  269387  1998148     75  4650  4650    4024       0   0  0  0
51739.50  101599  268654  1998722  -1221  5407  5407    5946       0   0  0  0