version 2 Source: IERS Bulletin A (2000_2000_2) Orbits: to be used with the IGS Rapid Service Orbits (IGR) MJD Xpole Ypole UT1-UTC LOD Xsig Ysig UTsig LODsig Nr Nf Nt (10**-6") (0.1 usec) (10**-6") (0.1 usec) 51677.50 89226 329621 2301130 12422 20 26 107 0 0 0 0 51678.50 90021 329642 2288867 12104 2110 2111 1549 0 0 0 0 51679.50 90746 329564 2277202 11227 4650 4650 4024 0 0 0 0