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)  
51778.50   63571  243567  1964146   5464  2115  2128      89       0   0  0  0
51779.50   62104  243416  1959196   4437  4650  4650      90       0   0  0  0
51780.50   60693  243245  1955181   3593  5407  5407      81       0   0  0  0