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)  
51781.50   58756  242543  1948577   4178  2116  2128      17       0   0  0  0
51782.50   57568  242372  1944145   4687  4650  4650      21       0   0  0  0
51783.50   56356  242212  1938795   6013  5407  5407      45       0   0  0  0