********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 1 December 2011 Vol. XXIV No. 048 ______________________________________________________________________ GENERAL INFORMATION: To receive this information electronically, contact: ser7@maia.usno.navy.mil or use MJD = Julian Date - 2 400 000.5 days UT2-UT1 = 0.022 sin(2*pi*T) - 0.012 cos(2*pi*T) - 0.006 sin(4*pi*T) + 0.007 cos(4*pi*T) where pi = 3.14159265... and T is the date in Besselian years. TT = TAI + 32.184 seconds DUT1= (UT1-UTC) transmitted with time signals = -0.4 seconds beginning 04 Nov 2011 at 0000 UTC Beginning 1 January 2009: TAI-UTC = 34.000 000 seconds ********************************************************************** * As of Bulletin A Vol. XXIV, No. 048, on 01 December 2011, we have * * incorporated the new GSFC VLBI solutions gsf2011b.eops and * * gsf2011b.eopi. The effect appears to be less than 0.1 mas in * * polar motion and 10 us in UT1-UTC. * ********************************************************************** ________________________________________________________________________ The contributed observations used in the preparation of this Bulletin are available at . The contributed analysis results are based on data from Very Long Baseline Interferometry (VLBI), Satellite Laser Ranging (SLR), the Global Positioning System (GPS) satellites, Lunar Laser Ranging (LLR), and meteorological predictions of variations in Atmospheric Angular Momentum (AAM). ________________________________________________________________________ COMBINED EARTH ORIENTATION PARAMETERS: IERS Rapid Service MJD x error y error UT1-UTC error " " " " s s 11 11 25 55890 0.16849 .00009 0.29259 .00009 -0.381413 0.000003 11 11 26 55891 0.16709 .00009 0.29085 .00009 -0.382258 0.000007 11 11 27 55892 0.16633 .00010 0.28954 .00009 -0.383015 0.000007 11 11 28 55893 0.16560 .00010 0.28870 .00009 -0.383786 0.000007 11 11 29 55894 0.16420 .00009 0.28783 .00009 -0.384622 0.000007 11 11 30 55895 0.16252 .00009 0.28660 .00010 -0.385531 0.000007 11 12 1 55896 0.16110 .00009 0.28523 .00010 -0.386562 0.000055 _______________________________________________________________________ PREDICTIONS: The following formulas will not reproduce the predictions given below, but may be used to extend the predictions beyond the end of this table. x = 0.0863 + 0.0515 cos A - 0.1075 sin A + 0.0254 cos C + 0.0465 sin C y = 0.3347 - 0.0969 cos A - 0.0532 sin A + 0.0465 cos C - 0.0254 sin C UT1-UTC = -0.4027 - 0.00082 (MJD - 55904) - (UT2-UT1) where A = 2*pi*(MJD-55896)/365.25 and C = 2*pi*(MJD-55896)/435. TAI-UTC(MJD 55897) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55896)**0.80 S t = 0.00025 (MJD-55896)**0.75 Estimated accuracies are: Predictions 10 d 20 d 30 d 40 d Polar coord's 0.004 0.007 0.010 0.013 UT1-UTC 0.0014 0.0024 0.0032 0.0040 MJD x(arcsec) y(arcsec) UT1-UTC(sec) 2011 12 2 55897 0.1598 0.2840 -0.38770 2011 12 3 55898 0.1587 0.2828 -0.38886 2011 12 4 55899 0.1576 0.2817 -0.38996 2011 12 5 55900 0.1565 0.2808 -0.39096 2011 12 6 55901 0.1554 0.2800 -0.39185 2011 12 7 55902 0.1542 0.2793 -0.39259 2011 12 8 55903 0.1530 0.2785 -0.39318 2011 12 9 55904 0.1517 0.2778 -0.39367 2011 12 10 55905 0.1505 0.2771 -0.39410 2011 12 11 55906 0.1493 0.2764 -0.39452 2011 12 12 55907 0.1482 0.2758 -0.39501 2011 12 13 55908 0.1470 0.2752 -0.39561 2011 12 14 55909 0.1458 0.2746 -0.39634 2011 12 15 55910 0.1446 0.2741 -0.39722 2011 12 16 55911 0.1433 0.2736 -0.39827 2011 12 17 55912 0.1421 0.2731 -0.39946 2011 12 18 55913 0.1409 0.2726 -0.40072 2011 12 19 55914 0.1397 0.2722 -0.40198 2011 12 20 55915 0.1384 0.2717 -0.40315 2011 12 21 55916 0.1372 0.2713 -0.40415 2011 12 22 55917 0.1360 0.2710 -0.40498 2011 12 23 55918 0.1347 0.2706 -0.40566 2011 12 24 55919 0.1335 0.2703 -0.40626 2011 12 25 55920 0.1322 0.2699 -0.40687 2011 12 26 55921 0.1310 0.2696 -0.40758 2011 12 27 55922 0.1297 0.2694 -0.40841 2011 12 28 55923 0.1285 0.2691 -0.40934 2011 12 29 55924 0.1273 0.2689 -0.41033 2011 12 30 55925 0.1260 0.2687 -0.41134 2011 12 31 55926 0.1248 0.2685 -0.41231 2012 1 1 55927 0.1235 0.2683 -0.41320 2012 1 2 55928 0.1223 0.2681 -0.41398 2012 1 3 55929 0.1210 0.2680 -0.41463 2012 1 4 55930 0.1198 0.2679 -0.41515 2012 1 5 55931 0.1186 0.2678 -0.41555 2012 1 6 55932 0.1174 0.2677 -0.41588 2012 1 7 55933 0.1161 0.2676 -0.41620 2012 1 8 55934 0.1149 0.2676 -0.41656 2012 1 9 55935 0.1137 0.2676 -0.41704 2012 1 10 55936 0.1125 0.2676 -0.41767 2012 1 11 55937 0.1113 0.2676 -0.41851 2012 1 12 55938 0.1101 0.2676 -0.41954 2012 1 13 55939 0.1089 0.2677 -0.42074 2012 1 14 55940 0.1077 0.2678 -0.42203 2012 1 15 55941 0.1065 0.2679 -0.42334 2012 1 16 55942 0.1053 0.2680 -0.42457 2012 1 17 55943 0.1042 0.2681 -0.42566 2012 1 18 55944 0.1030 0.2682 -0.42658 2012 1 19 55945 0.1019 0.2684 -0.42735 2012 1 20 55946 0.1007 0.2686 -0.42803 2012 1 21 55947 0.0996 0.2688 -0.42869 2012 1 22 55948 0.0985 0.2690 -0.42941 2012 1 23 55949 0.0973 0.2692 -0.43024 2012 1 24 55950 0.0962 0.2695 -0.43119 2012 1 25 55951 0.0951 0.2698 -0.43225 2012 1 26 55952 0.0940 0.2701 -0.43336 2012 1 27 55953 0.0930 0.2704 -0.43448 2012 1 28 55954 0.0919 0.2707 -0.43557 2012 1 29 55955 0.0909 0.2710 -0.43656 2012 1 30 55956 0.0898 0.2714 -0.43745 2012 1 31 55957 0.0888 0.2718 -0.43823 2012 2 1 55958 0.0878 0.2721 -0.43889 2012 2 2 55959 0.0867 0.2725 -0.43948 2012 2 3 55960 0.0858 0.2730 -0.44002 2012 2 4 55961 0.0848 0.2734 -0.44059 2012 2 5 55962 0.0838 0.2738 -0.44123 2012 2 6 55963 0.0828 0.2743 -0.44200 2012 2 7 55964 0.0819 0.2748 -0.44297 2012 2 8 55965 0.0810 0.2753 -0.44415 2012 2 9 55966 0.0801 0.2758 -0.44552 2012 2 10 55967 0.0792 0.2763 -0.44703 2012 2 11 55968 0.0783 0.2768 -0.44858 2012 2 12 55969 0.0774 0.2774 -0.45007 2012 2 13 55970 0.0765 0.2779 -0.45141 2012 2 14 55971 0.0757 0.2785 -0.45256 2012 2 15 55972 0.0749 0.2791 -0.45355 2012 2 16 55973 0.0741 0.2797 -0.45443 2012 2 17 55974 0.0733 0.2803 -0.45528 2012 2 18 55975 0.0725 0.2809 -0.45618 2012 2 19 55976 0.0717 0.2816 -0.45717 2012 2 20 55977 0.0710 0.2822 -0.45829 2012 2 21 55978 0.0702 0.2829 -0.45954 2012 2 22 55979 0.0695 0.2835 -0.46089 2012 2 23 55980 0.0688 0.2842 -0.46227 2012 2 24 55981 0.0681 0.2849 -0.46363 2012 2 25 55982 0.0675 0.2856 -0.46493 2012 2 26 55983 0.0668 0.2863 -0.46614 2012 2 27 55984 0.0662 0.2870 -0.46723 2012 2 28 55985 0.0656 0.2877 -0.46822 2012 2 29 55986 0.0650 0.2885 -0.46911 2012 3 1 55987 0.0644 0.2892 -0.46995 2012 3 2 55988 0.0638 0.2900 -0.47079 2012 3 3 55989 0.0633 0.2907 -0.47167 2012 3 4 55990 0.0628 0.2915 -0.47268 2012 3 5 55991 0.0623 0.2923 -0.47385 2012 3 6 55992 0.0618 0.2930 -0.47525 2012 3 7 55993 0.0613 0.2938 -0.47687 2012 3 8 55994 0.0609 0.2946 -0.47868 2012 3 9 55995 0.0604 0.2954 -0.48059 2012 3 10 55996 0.0600 0.2962 -0.48248 2012 3 11 55997 0.0596 0.2971 -0.48426 2012 3 12 55998 0.0592 0.2979 -0.48586 2012 3 13 55999 0.0589 0.2987 -0.48726 2012 3 14 56000 0.0585 0.2995 -0.48852 2012 3 15 56001 0.0582 0.3004 -0.48972 2012 3 16 56002 0.0579 0.3012 -0.49092 2012 3 17 56003 0.0576 0.3020 -0.49220 2012 3 18 56004 0.0573 0.3029 -0.49358 2012 3 19 56005 0.0571 0.3037 -0.49503 2012 3 20 56006 0.0568 0.3046 -0.49656 2012 3 21 56007 0.0566 0.3054 -0.49815 2012 3 22 56008 0.0564 0.3063 -0.49974 2012 3 23 56009 0.0563 0.3071 -0.50128 2012 3 24 56010 0.0561 0.3080 -0.50274 2012 3 25 56011 0.0560 0.3089 -0.50408 2012 3 26 56012 0.0558 0.3097 -0.50532 2012 3 27 56013 0.0557 0.3106 -0.50645 2012 3 28 56014 0.0556 0.3114 -0.50751 2012 3 29 56015 0.0556 0.3123 -0.50853 2012 3 30 56016 0.0555 0.3132 -0.50958 2012 3 31 56017 0.0555 0.3140 -0.51070 2012 4 1 56018 0.0555 0.3149 -0.51196 2012 4 2 56019 0.0555 0.3158 -0.51339 2012 4 3 56020 0.0555 0.3166 -0.51504 2012 4 4 56021 0.0555 0.3175 -0.51689 2012 4 5 56022 0.0556 0.3183 -0.51888 2012 4 6 56023 0.0557 0.3192 -0.52092 2012 4 7 56024 0.0558 0.3200 -0.52288 2012 4 8 56025 0.0559 0.3209 -0.52469 2012 4 9 56026 0.0560 0.3217 -0.52628 2012 4 10 56027 0.0561 0.3226 -0.52769 2012 4 11 56028 0.0563 0.3234 -0.52897 2012 4 12 56029 0.0565 0.3243 -0.53022 2012 4 13 56030 0.0567 0.3251 -0.53150 2012 4 14 56031 0.0569 0.3259 -0.53287 2012 4 15 56032 0.0571 0.3268 -0.53432 2012 4 16 56033 0.0574 0.3276 -0.53583 2012 4 17 56034 0.0576 0.3284 -0.53738 2012 4 18 56035 0.0579 0.3292 -0.53892 2012 4 19 56036 0.0582 0.3300 -0.54041 2012 4 20 56037 0.0585 0.3308 -0.54181 2012 4 21 56038 0.0588 0.3316 -0.54309 2012 4 22 56039 0.0591 0.3324 -0.54423 2012 4 23 56040 0.0595 0.3332 -0.54526 2012 4 24 56041 0.0599 0.3339 -0.54619 2012 4 25 56042 0.0602 0.3347 -0.54706 2012 4 26 56043 0.0606 0.3354 -0.54792 2012 4 27 56044 0.0610 0.3362 -0.54882 2012 4 28 56045 0.0615 0.3369 -0.54980 2012 4 29 56046 0.0619 0.3377 -0.55092 2012 4 30 56047 0.0624 0.3384 -0.55220 2012 5 1 56048 0.0628 0.3391 -0.55367 2012 5 2 56049 0.0633 0.3398 -0.55528 2012 5 3 56050 0.0638 0.3405 -0.55698 2012 5 4 56051 0.0643 0.3412 -0.55867 2012 5 5 56052 0.0648 0.3419 -0.56024 2012 5 6 56053 0.0653 0.3426 -0.56163 2012 5 7 56054 0.0659 0.3433 -0.56282 2012 5 8 56055 0.0664 0.3439 -0.56385 2012 5 9 56056 0.0670 0.3446 -0.56480 2012 5 10 56057 0.0675 0.3452 -0.56577 2012 5 11 56058 0.0681 0.3458 -0.56680 2012 5 12 56059 0.0687 0.3464 -0.56791 2012 5 13 56060 0.0693 0.3470 -0.56907 2012 5 14 56061 0.0699 0.3476 -0.57026 2012 5 15 56062 0.0705 0.3482 -0.57143 2012 5 16 56063 0.0712 0.3488 -0.57252 2012 5 17 56064 0.0718 0.3493 -0.57352 2012 5 18 56065 0.0725 0.3499 -0.57440 2012 5 19 56066 0.0731 0.3504 -0.57513 2012 5 20 56067 0.0738 0.3510 -0.57573 2012 5 21 56068 0.0744 0.3515 -0.57621 2012 5 22 56069 0.0751 0.3520 -0.57662 2012 5 23 56070 0.0758 0.3525 -0.57699 2012 5 24 56071 0.0765 0.3530 -0.57738 2012 5 25 56072 0.0772 0.3534 -0.57783 2012 5 26 56073 0.0779 0.3539 -0.57839 2012 5 27 56074 0.0786 0.3543 -0.57909 2012 5 28 56075 0.0794 0.3548 -0.57993 2012 5 29 56076 0.0801 0.3552 -0.58092 2012 5 30 56077 0.0808 0.3556 -0.58199 2012 5 31 56078 0.0815 0.3560 -0.58309 2012 6 1 56079 0.0823 0.3564 -0.58413 2012 6 2 56080 0.0830 0.3567 -0.58503 2012 6 3 56081 0.0838 0.3571 -0.58576 2012 6 4 56082 0.0845 0.3574 -0.58634 2012 6 5 56083 0.0853 0.3578 -0.58683 2012 6 6 56084 0.0860 0.3581 -0.58732 2012 6 7 56085 0.0868 0.3584 -0.58788 2012 6 8 56086 0.0876 0.3587 -0.58853 2012 6 9 56087 0.0883 0.3590 -0.58927 2012 6 10 56088 0.0891 0.3592 -0.59004 2012 6 11 56089 0.0899 0.3595 -0.59079 2012 6 12 56090 0.0906 0.3597 -0.59147 2012 6 13 56091 0.0914 0.3599 -0.59206 2012 6 14 56092 0.0922 0.3602 -0.59253 2012 6 15 56093 0.0929 0.3604 -0.59288 2012 6 16 56094 0.0937 0.3605 -0.59311 2012 6 17 56095 0.0945 0.3607 -0.59326 2012 6 18 56096 0.0953 0.3609 -0.59335 2012 6 19 56097 0.0960 0.3610 -0.59343 2012 6 20 56098 0.0968 0.3612 -0.59355 2012 6 21 56099 0.0976 0.3613 -0.59373 2012 6 22 56100 0.0983 0.3614 -0.59403 2012 6 23 56101 0.0991 0.3615 -0.59445 2012 6 24 56102 0.0999 0.3616 -0.59499 2012 6 25 56103 0.1006 0.3617 -0.59565 2012 6 26 56104 0.1014 0.3617 -0.59636 2012 6 27 56105 0.1021 0.3618 -0.59709 2012 6 28 56106 0.1029 0.3618 -0.59777 2012 6 29 56107 0.1036 0.3618 -0.59836 2012 6 30 56108 0.1044 0.3618 -0.59884 2012 7 1 56109 0.1051 0.3618 -0.59923 2012 7 2 56110 0.1058 0.3618 -0.59957 2012 7 3 56111 0.1066 0.3618 -0.59993 2012 7 4 56112 0.1073 0.3618 -0.60034 2012 7 5 56113 0.1080 0.3617 -0.60083 2012 7 6 56114 0.1087 0.3616 -0.60137 2012 7 7 56115 0.1094 0.3616 -0.60194 2012 7 8 56116 0.1101 0.3615 -0.60250 2012 7 9 56117 0.1108 0.3614 -0.60303 2012 7 10 56118 0.1115 0.3613 -0.60345 2012 7 11 56119 0.1122 0.3612 -0.60373 2012 7 12 56120 0.1129 0.3610 -0.60385 2012 7 13 56121 0.1135 0.3609 -0.60384 2012 7 14 56122 0.1142 0.3607 -0.60373 2012 7 15 56123 0.1148 0.3606 -0.60349 2012 7 16 56124 0.1155 0.3604 -0.60310 2012 7 17 56125 0.1161 0.3602 -0.60270 2012 7 18 56126 0.1167 0.3600 -0.60226 2012 7 19 56127 0.1174 0.3598 -0.60187 2012 7 20 56128 0.1180 0.3596 -0.60162 2012 7 21 56129 0.1186 0.3594 -0.60154 2012 7 22 56130 0.1192 0.3592 -0.60155 2012 7 23 56131 0.1197 0.3589 -0.60168 2012 7 24 56132 0.1203 0.3587 -0.60187 2012 7 25 56133 0.1209 0.3584 -0.60202 2012 7 26 56134 0.1214 0.3581 -0.60209 2012 7 27 56135 0.1219 0.3579 -0.60199 2012 7 28 56136 0.1225 0.3576 -0.60176 2012 7 29 56137 0.1230 0.3573 -0.60147 2012 7 30 56138 0.1235 0.3570 -0.60118 2012 7 31 56139 0.1240 0.3567 -0.60089 2012 8 1 56140 0.1245 0.3564 -0.60066 2012 8 2 56141 0.1249 0.3560 -0.60052 2012 8 3 56142 0.1254 0.3557 -0.60044 2012 8 4 56143 0.1259 0.3554 -0.60042 2012 8 5 56144 0.1263 0.3550 -0.60042 2012 8 6 56145 0.1267 0.3547 -0.60047 2012 8 7 56146 0.1271 0.3543 -0.60047 2012 8 8 56147 0.1275 0.3539 -0.60038 2012 8 9 56148 0.1279 0.3536 -0.60019 2012 8 10 56149 0.1283 0.3532 -0.59989 2012 8 11 56150 0.1287 0.3528 -0.59948 2012 8 12 56151 0.1290 0.3524 -0.59907 2012 8 13 56152 0.1293 0.3520 -0.59871 2012 8 14 56153 0.1297 0.3516 -0.59845 2012 8 15 56154 0.1300 0.3512 -0.59837 2012 8 16 56155 0.1303 0.3508 -0.59849 2012 8 17 56156 0.1306 0.3504 -0.59876 2012 8 18 56157 0.1308 0.3500 -0.59921 2012 8 19 56158 0.1311 0.3496 -0.59979 2012 8 20 56159 0.1313 0.3491 -0.60049 2012 8 21 56160 0.1316 0.3487 -0.60115 2012 8 22 56161 0.1318 0.3483 -0.60167 2012 8 23 56162 0.1320 0.3478 -0.60202 2012 8 24 56163 0.1322 0.3474 -0.60222 2012 8 25 56164 0.1324 0.3470 -0.60220 2012 8 26 56165 0.1325 0.3465 -0.60208 2012 8 27 56166 0.1327 0.3461 -0.60196 2012 8 28 56167 0.1328 0.3457 -0.60193 2012 8 29 56168 0.1329 0.3452 -0.60196 2012 8 30 56169 0.1331 0.3448 -0.60208 2012 8 31 56170 0.1331 0.3443 -0.60232 2012 9 1 56171 0.1332 0.3439 -0.60266 2012 9 2 56172 0.1333 0.3434 -0.60305 2012 9 3 56173 0.1334 0.3430 -0.60340 2012 9 4 56174 0.1334 0.3425 -0.60364 2012 9 5 56175 0.1334 0.3421 -0.60378 2012 9 6 56176 0.1334 0.3416 -0.60385 2012 9 7 56177 0.1334 0.3412 -0.60395 2012 9 8 56178 0.1334 0.3407 -0.60401 2012 9 9 56179 0.1334 0.3403 -0.60406 2012 9 10 56180 0.1334 0.3399 -0.60414 2012 9 11 56181 0.1333 0.3394 -0.60429 2012 9 12 56182 0.1332 0.3390 -0.60463 2012 9 13 56183 0.1332 0.3386 -0.60516 2012 9 14 56184 0.1331 0.3381 -0.60586 2012 9 15 56185 0.1330 0.3377 -0.60672 2012 9 16 56186 0.1328 0.3373 -0.60762 2012 9 17 56187 0.1327 0.3368 -0.60855 2012 9 18 56188 0.1326 0.3364 -0.60943 2012 9 19 56189 0.1324 0.3360 -0.61013 2012 9 20 56190 0.1322 0.3356 -0.61072 2012 9 21 56191 0.1320 0.3352 -0.61120 2012 9 22 56192 0.1319 0.3348 -0.61165 2012 9 23 56193 0.1316 0.3344 -0.61214 2012 9 24 56194 0.1314 0.3340 -0.61276 2012 9 25 56195 0.1312 0.3336 -0.61352 2012 9 26 56196 0.1310 0.3332 -0.61440 2012 9 27 56197 0.1307 0.3328 -0.61535 2012 9 28 56198 0.1304 0.3325 -0.61632 2012 9 29 56199 0.1302 0.3321 -0.61733 2012 9 30 56200 0.1299 0.3317 -0.61828 2012 10 1 56201 0.1296 0.3314 -0.61913 2012 10 2 56202 0.1293 0.3310 -0.61984 2012 10 3 56203 0.1289 0.3307 -0.62042 2012 10 4 56204 0.1286 0.3303 -0.62090 2012 10 5 56205 0.1283 0.3300 -0.62129 2012 10 6 56206 0.1279 0.3297 -0.62165 2012 10 7 56207 0.1275 0.3294 -0.62200 2012 10 8 56208 0.1272 0.3291 -0.62240 2012 10 9 56209 0.1268 0.3288 -0.62291 2012 10 10 56210 0.1264 0.3285 -0.62358 2012 10 11 56211 0.1260 0.3282 -0.62443 2012 10 12 56212 0.1256 0.3279 -0.62558 2012 10 13 56213 0.1252 0.3276 -0.62689 2012 10 14 56214 0.1247 0.3274 -0.62832 2012 10 15 56215 0.1243 0.3271 -0.62972 2012 10 16 56216 0.1239 0.3269 -0.63105 2012 10 17 56217 0.1234 0.3267 -0.63226 2012 10 18 56218 0.1229 0.3264 -0.63331 2012 10 19 56219 0.1225 0.3262 -0.63422 2012 10 20 56220 0.1220 0.3260 -0.63508 2012 10 21 56221 0.1215 0.3258 -0.63597 2012 10 22 56222 0.1210 0.3256 -0.63692 2012 10 23 56223 0.1205 0.3255 -0.63793 2012 10 24 56224 0.1201 0.3253 -0.63901 2012 10 25 56225 0.1195 0.3251 -0.64008 2012 10 26 56226 0.1190 0.3250 -0.64109 2012 10 27 56227 0.1185 0.3248 -0.64211 2012 10 28 56228 0.1180 0.3247 -0.64310 2012 10 29 56229 0.1175 0.3246 -0.64406 2012 10 30 56230 0.1169 0.3245 -0.64493 2012 10 31 56231 0.1164 0.3244 -0.64572 2012 11 1 56232 0.1159 0.3243 -0.64642 2012 11 2 56233 0.1153 0.3242 -0.64705 2012 11 3 56234 0.1148 0.3242 -0.64767 2012 11 4 56235 0.1142 0.3241 -0.64828 2012 11 5 56236 0.1137 0.3241 -0.64890 2012 11 6 56237 0.1131 0.3241 -0.64960 2012 11 7 56238 0.1126 0.3240 -0.65042 2012 11 8 56239 0.1120 0.3240 -0.65138 2012 11 9 56240 0.1114 0.3240 -0.65251 2012 11 10 56241 0.1109 0.3241 -0.65377 2012 11 11 56242 0.1103 0.3241 -0.65507 2012 11 12 56243 0.1097 0.3241 -0.65636 2012 11 13 56244 0.1092 0.3242 -0.65757 2012 11 14 56245 0.1086 0.3242 -0.65868 2012 11 15 56246 0.1080 0.3243 -0.65964 2012 11 16 56247 0.1075 0.3244 -0.66048 2012 11 17 56248 0.1069 0.3245 -0.66135 2012 11 18 56249 0.1063 0.3246 -0.66223 2012 11 19 56250 0.1058 0.3247 -0.66326 2012 11 20 56251 0.1052 0.3248 -0.66437 2012 11 21 56252 0.1046 0.3250 -0.66549 2012 11 22 56253 0.1041 0.3251 -0.66653 2012 11 23 56254 0.1035 0.3253 -0.66749 2012 11 24 56255 0.1030 0.3254 -0.66837 2012 11 25 56256 0.1024 0.3256 -0.66913 2012 11 26 56257 0.1019 0.3258 -0.66977 2012 11 27 56258 0.1013 0.3260 -0.67021 2012 11 28 56259 0.1008 0.3262 -0.67059 2012 11 29 56260 0.1002 0.3265 -0.67096 2012 11 30 56261 0.0997 0.3267 -0.67128 These predictions are based on all announced leap seconds. CELESTIAL POLE OFFSET SERIES: NEOS Celestial Pole Offset Series MJD dpsi error deps error (msec. of arc) 55870 -74.45 0.16 -8.99 0.10 55871 -74.33 0.15 -8.90 0.09 55872 -74.22 0.11 -8.81 0.08 55873 -74.24 0.30 -8.70 0.07 55874 -74.32 0.20 -8.68 0.12 55875 -74.37 0.20 -8.75 0.12 55876 -74.36 0.20 -8.82 0.12 55877 -74.25 0.28 -8.81 0.14 55878 -74.01 0.12 -8.74 0.07 55879 -73.70 0.12 -8.73 0.07 55880 -73.44 0.30 -8.81 0.03 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55870 0.134 0.064 0.211 0.100 55871 0.139 0.060 0.225 0.090 55872 0.151 0.044 0.220 0.080 55873 0.160 0.119 0.213 0.070 55874 0.177 0.080 0.178 0.120 55875 0.205 0.080 0.155 0.120 55876 0.230 0.080 0.149 0.120 55877 0.247 0.111 0.140 0.140 55878 0.256 0.048 0.126 0.070 55879 0.264 0.048 0.099 0.070 55880 0.272 0.119 0.083 0.030 The recommended software to predict celestial pole offsets can be found at and software for the calculation of the dX and dY components with respect to IAU2000A Nutation/Precession Theory can be found at the web site in Chapter 5 Section 5.5 of the IERS Conventions (2010).