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)  
51862.50  -67438  305866  1300020   7472  2146  2150     266       0   0  0  0
51863.50  -68080  307604  1292774   7020  4650  4650     265       0   0  0  0
51864.50  -68775  309267  1285526   7477  5407  5407     335       0   0  0  0