version 2
Source: IERS Bulletin A (2000_2000_2)

Orbits: to be used with the IGS Final Service Orbits

  MJD      Xpole   Ypole  UT1-UTC    LOD  Xsig  Ysig   UTsig  LODsig  Nr Nf Nt
             (10**-6")       (0.1 usec)    (10**-6")    (0.1 usec)  
51593.50   68703  368209  3132607  10234   111    56     353       0   0  0  0
51594.50   69003  367968  3121606  11768   122    71     339       0   0  0  0
51595.50   69082  367540  3109479  12486   117    83     331       0   0  0  0
51596.50   68943  366953  3097087  12299   125   100     235       0   0  0  0
51597.50   68630  366290  3085235  11404   120   112     138       0   0  0  0
51598.50   68203  365564  3074477  10112   101   115     129       0   0  0  0
51599.50   67705  364716  3065071   8700   110   116     137       0   0  0  0
51600.50   67222  363772  3057019   7405   114   111     148       0   0  0  0
51601.50   66814  362870  3050129   6374   105   102     147       0   0  0  0