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)  
51892.50  -81691  359131  1035139   7519  2130  2120      94       0   0  0  0
51893.50  -81126  360548  1027090   8578  4650  4650      89       0   0  0  0
51894.50  -80643  362001  1017885   9832  5407  5407      90       0   0  0  0