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)  
51859.50  -66441  300998  1329857  11894  2125  2109     105       0   0  0  0
51860.50  -67287  302024  1318739  10342  4650  4650     105       0   0  0  0
51861.50  -68166  303109  1309225   8686  5407  5407     108       0   0  0  0