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)  
51783.50   54935  242550  1938700   6035  2128  2140     159       0   0  0  0
51784.50   53291  242491  1931817   7730  4650  4650     183       0   0  0  0
51785.50   51718  242411  1923308   9289  5407  5407     272       0   0  0  0