version 2 Source: IERS Bulletin A ( 0_ 0_ ) 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) 51844.50 -47415 274137 1492985 13550 2122 2131 98 0 0 0 0 51845.50 -48624 275760 1480245 11931 4650 4650 114 0 0 0 0 51846.50 -49831 277304 1469087 10385 5407 5407 179 0 0 0 0