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) 51678.50 89860 329651 2288615 12423 22 11 82 0 0 0 0 51679.50 90466 329664 2276642 11522 2111 2106 1534 0 0 0 0 51680.50 91010 329576 2265828 10107 4650 4650 4024 0 0 0 0