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)  
51808.50    8151  243835  1822293   4277  2132  2122     132       0   0  0  0
51809.50    6729  244962  1817691   4926  4650  4650     137       0   0  0  0
51810.50    5338  246001  1812107   6242  5407  5407     154       0   0  0  0