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)  
51798.50   29281  239708  1873362   1329  2118  2122     132       0   0  0  0
51799.50   27701  239404  1871361   2673  4650  4650     141       0   0  0  0
51800.50   26179  239200  1867993   4062  5407  5407     140       0   0  0  0