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)  
51764.50   82027  248068  1988711  -1267  2144  2126     139       0   0  0  0
51765.50   81151  247854  1990536  -2384  4650  4650     139       0   0  0  0
51766.50   80212  247595  1993264  -3073  5407  5407     177       0   0  0  0