version 2
Source: IERS Bulletin A (2000_2000_2)

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)  
51885.50  -82447  347820  1101962  13728  2127  2117     144       0   0  0  0
51886.50  -82877  349371  1088489  13218  4650  4650     145       0   0  0  0
51887.50  -83295  350883  1075919  11923  5407  5407     143       0   0  0  0