version 2
Source: IERS Bulletin A (2000_2000_2)

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)  
51897.50  -78101  370930   992053   9508  2127  2116     101       0   0  0  0
51898.50  -78364  372815   982983   8632  4650  4650     109       0   0  0  0
51899.50  -78557  374626   974979   7376  5407  5407      90       0   0  0  0