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)  
51739.50  101689  267926  1996623    -55  2112  2141    1539       0   0  0  0
51740.50  100899  267229  1996892   -483  4650  4650    4024       0   0  0  0
51741.50  100143  266522  1997452   -639  5407  5407    5946       0   0  0  0