********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 10 November 2011 Vol. XXIV No. 045 ______________________________________________________________________ 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 ________________________________________________________________________ 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 4 55869 0.18716 .00010 0.32298 .00009 -0.357662 0.000020 11 11 5 55870 0.18690 .00010 0.32186 .00009 -0.359067 0.000017 11 11 6 55871 0.18625 .00010 0.32029 .00009 -0.360485 0.000017 11 11 7 55872 0.18549 .00010 0.31832 .00009 -0.361877 0.000013 11 11 8 55873 0.18492 .00010 0.31616 .00009 -0.363192 0.000009 11 11 9 55874 0.18479 .00010 0.31425 .00009 -0.364363 0.000009 11 11 10 55875 0.18487 .00010 0.31269 .00009 -0.365322 0.000009 _______________________________________________________________________ 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 = 0.0903 + 0.0860 cos A - 0.0796 sin A + 0.0116 cos C + 0.0497 sin C y = 0.3330 - 0.0698 cos A - 0.0840 sin A + 0.0497 cos C - 0.0116 sin C UT1-UTC = -0.3918 - 0.00080 (MJD - 55883) - (UT2-UT1) where A = 2*pi*(MJD-55875)/365.25 and C = 2*pi*(MJD-55875)/435. TAI-UTC(MJD 55876) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55875)**0.80 S t = 0.00025 (MJD-55875)**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 11 11 55876 0.1847 0.3114 -0.36613 2011 11 12 55877 0.1845 0.3103 -0.36681 2011 11 13 55878 0.1840 0.3092 -0.36739 2011 11 14 55879 0.1834 0.3081 -0.36796 2011 11 15 55880 0.1827 0.3069 -0.36857 2011 11 16 55881 0.1820 0.3057 -0.36930 2011 11 17 55882 0.1812 0.3045 -0.37020 2011 11 18 55883 0.1805 0.3033 -0.37129 2011 11 19 55884 0.1797 0.3022 -0.37256 2011 11 20 55885 0.1789 0.3012 -0.37397 2011 11 21 55886 0.1781 0.3002 -0.37545 2011 11 22 55887 0.1772 0.2991 -0.37693 2011 11 23 55888 0.1763 0.2981 -0.37833 2011 11 24 55889 0.1754 0.2971 -0.37960 2011 11 25 55890 0.1744 0.2961 -0.38070 2011 11 26 55891 0.1734 0.2952 -0.38165 2011 11 27 55892 0.1725 0.2942 -0.38250 2011 11 28 55893 0.1715 0.2933 -0.38336 2011 11 29 55894 0.1704 0.2924 -0.38427 2011 11 30 55895 0.1694 0.2915 -0.38526 2011 12 1 55896 0.1684 0.2906 -0.38632 2011 12 2 55897 0.1673 0.2898 -0.38739 2011 12 3 55898 0.1662 0.2889 -0.38844 2011 12 4 55899 0.1651 0.2881 -0.38945 2011 12 5 55900 0.1640 0.2873 -0.39037 2011 12 6 55901 0.1629 0.2865 -0.39121 2011 12 7 55902 0.1618 0.2857 -0.39196 2011 12 8 55903 0.1607 0.2850 -0.39261 2011 12 9 55904 0.1596 0.2843 -0.39319 2011 12 10 55905 0.1584 0.2835 -0.39372 2011 12 11 55906 0.1573 0.2828 -0.39426 2011 12 12 55907 0.1561 0.2822 -0.39486 2011 12 13 55908 0.1549 0.2815 -0.39556 2011 12 14 55909 0.1538 0.2809 -0.39642 2011 12 15 55910 0.1526 0.2802 -0.39746 2011 12 16 55911 0.1514 0.2796 -0.39867 2011 12 17 55912 0.1502 0.2791 -0.40003 2011 12 18 55913 0.1490 0.2785 -0.40146 2011 12 19 55914 0.1478 0.2779 -0.40288 2011 12 20 55915 0.1466 0.2774 -0.40421 2011 12 21 55916 0.1454 0.2769 -0.40537 2011 12 22 55917 0.1442 0.2764 -0.40635 2011 12 23 55918 0.1429 0.2759 -0.40715 2011 12 24 55919 0.1417 0.2755 -0.40787 2011 12 25 55920 0.1405 0.2751 -0.40857 2011 12 26 55921 0.1393 0.2746 -0.40935 2011 12 27 55922 0.1380 0.2743 -0.41024 2011 12 28 55923 0.1368 0.2739 -0.41123 2011 12 29 55924 0.1356 0.2735 -0.41230 2011 12 30 55925 0.1343 0.2732 -0.41338 2011 12 31 55926 0.1331 0.2729 -0.41443 2012 1 1 55927 0.1319 0.2726 -0.41541 2012 1 2 55928 0.1306 0.2723 -0.41630 2012 1 3 55929 0.1294 0.2721 -0.41706 2012 1 4 55930 0.1282 0.2718 -0.41771 2012 1 5 55931 0.1269 0.2716 -0.41825 2012 1 6 55932 0.1257 0.2714 -0.41870 2012 1 7 55933 0.1245 0.2712 -0.41913 2012 1 8 55934 0.1232 0.2711 -0.41959 2012 1 9 55935 0.1220 0.2709 -0.42015 2012 1 10 55936 0.1208 0.2708 -0.42085 2012 1 11 55937 0.1196 0.2707 -0.42174 2012 1 12 55938 0.1184 0.2706 -0.42281 2012 1 13 55939 0.1172 0.2706 -0.42404 2012 1 14 55940 0.1160 0.2705 -0.42535 2012 1 15 55941 0.1148 0.2705 -0.42666 2012 1 16 55942 0.1136 0.2705 -0.42790 2012 1 17 55943 0.1124 0.2705 -0.42899 2012 1 18 55944 0.1112 0.2705 -0.42991 2012 1 19 55945 0.1100 0.2706 -0.43069 2012 1 20 55946 0.1089 0.2706 -0.43137 2012 1 21 55947 0.1077 0.2707 -0.43203 2012 1 22 55948 0.1066 0.2708 -0.43275 2012 1 23 55949 0.1054 0.2709 -0.43359 2012 1 24 55950 0.1043 0.2711 -0.43455 2012 1 25 55951 0.1032 0.2712 -0.43563 2012 1 26 55952 0.1020 0.2714 -0.43676 2012 1 27 55953 0.1009 0.2716 -0.43790 2012 1 28 55954 0.0998 0.2718 -0.43899 2012 1 29 55955 0.0987 0.2720 -0.44001 2012 1 30 55956 0.0977 0.2723 -0.44092 2012 1 31 55957 0.0966 0.2725 -0.44171 2012 2 1 55958 0.0955 0.2728 -0.44240 2012 2 2 55959 0.0945 0.2731 -0.44301 2012 2 3 55960 0.0934 0.2734 -0.44358 2012 2 4 55961 0.0924 0.2737 -0.44418 2012 2 5 55962 0.0914 0.2740 -0.44486 2012 2 6 55963 0.0904 0.2744 -0.44569 2012 2 7 55964 0.0894 0.2747 -0.44671 2012 2 8 55965 0.0884 0.2751 -0.44795 2012 2 9 55966 0.0874 0.2755 -0.44939 2012 2 10 55967 0.0865 0.2759 -0.45097 2012 2 11 55968 0.0855 0.2764 -0.45259 2012 2 12 55969 0.0846 0.2768 -0.45415 2012 2 13 55970 0.0837 0.2773 -0.45557 2012 2 14 55971 0.0828 0.2777 -0.45681 2012 2 15 55972 0.0819 0.2782 -0.45789 2012 2 16 55973 0.0810 0.2787 -0.45885 2012 2 17 55974 0.0802 0.2792 -0.45978 2012 2 18 55975 0.0793 0.2797 -0.46075 2012 2 19 55976 0.0785 0.2802 -0.46183 2012 2 20 55977 0.0777 0.2808 -0.46305 2012 2 21 55978 0.0769 0.2813 -0.46439 2012 2 22 55979 0.0761 0.2819 -0.46584 2012 2 23 55980 0.0753 0.2825 -0.46732 2012 2 24 55981 0.0745 0.2831 -0.46879 2012 2 25 55982 0.0738 0.2837 -0.47020 2012 2 26 55983 0.0731 0.2843 -0.47151 2012 2 27 55984 0.0723 0.2849 -0.47266 2012 2 28 55985 0.0717 0.2856 -0.47369 2012 2 29 55986 0.0710 0.2862 -0.47464 2012 3 1 55987 0.0703 0.2869 -0.47553 2012 3 2 55988 0.0697 0.2875 -0.47641 2012 3 3 55989 0.0690 0.2882 -0.47735 2012 3 4 55990 0.0684 0.2889 -0.47839 2012 3 5 55991 0.0678 0.2896 -0.47962 2012 3 6 55992 0.0672 0.2902 -0.48105 2012 3 7 55993 0.0667 0.2910 -0.48271 2012 3 8 55994 0.0661 0.2917 -0.48455 2012 3 9 55995 0.0656 0.2924 -0.48648 2012 3 10 55996 0.0651 0.2931 -0.48839 2012 3 11 55997 0.0646 0.2938 -0.49018 2012 3 12 55998 0.0641 0.2946 -0.49177 2012 3 13 55999 0.0637 0.2953 -0.49317 2012 3 14 56000 0.0632 0.2961 -0.49442 2012 3 15 56001 0.0628 0.2968 -0.49559 2012 3 16 56002 0.0624 0.2976 -0.49676 2012 3 17 56003 0.0620 0.2984 -0.49801 2012 3 18 56004 0.0616 0.2992 -0.49936 2012 3 19 56005 0.0613 0.2999 -0.50083 2012 3 20 56006 0.0609 0.3007 -0.50238 2012 3 21 56007 0.0606 0.3015 -0.50398 2012 3 22 56008 0.0603 0.3023 -0.50558 2012 3 23 56009 0.0600 0.3031 -0.50713 2012 3 24 56010 0.0598 0.3039 -0.50860 2012 3 25 56011 0.0595 0.3047 -0.50995 2012 3 26 56012 0.0593 0.3055 -0.51119 2012 3 27 56013 0.0591 0.3063 -0.51233 2012 3 28 56014 0.0589 0.3071 -0.51339 2012 3 29 56015 0.0587 0.3079 -0.51442 2012 3 30 56016 0.0585 0.3087 -0.51547 2012 3 31 56017 0.0584 0.3095 -0.51660 2012 4 1 56018 0.0583 0.3104 -0.51785 2012 4 2 56019 0.0582 0.3112 -0.51929 2012 4 3 56020 0.0581 0.3120 -0.52093 2012 4 4 56021 0.0580 0.3128 -0.52277 2012 4 5 56022 0.0579 0.3136 -0.52475 2012 4 6 56023 0.0579 0.3144 -0.52677 2012 4 7 56024 0.0579 0.3152 -0.52872 2012 4 8 56025 0.0579 0.3160 -0.53051 2012 4 9 56026 0.0579 0.3169 -0.53208 2012 4 10 56027 0.0579 0.3177 -0.53346 2012 4 11 56028 0.0579 0.3185 -0.53471 2012 4 12 56029 0.0580 0.3193 -0.53593 2012 4 13 56030 0.0581 0.3201 -0.53718 2012 4 14 56031 0.0582 0.3209 -0.53850 2012 4 15 56032 0.0583 0.3217 -0.53991 2012 4 16 56033 0.0584 0.3225 -0.54139 2012 4 17 56034 0.0585 0.3233 -0.54290 2012 4 18 56035 0.0587 0.3241 -0.54440 2012 4 19 56036 0.0589 0.3248 -0.54584 2012 4 20 56037 0.0590 0.3256 -0.54719 2012 4 21 56038 0.0592 0.3264 -0.54843 2012 4 22 56039 0.0594 0.3272 -0.54953 2012 4 23 56040 0.0597 0.3279 -0.55052 2012 4 24 56041 0.0599 0.3287 -0.55141 2012 4 25 56042 0.0602 0.3294 -0.55224 2012 4 26 56043 0.0604 0.3302 -0.55305 2012 4 27 56044 0.0607 0.3309 -0.55391 2012 4 28 56045 0.0610 0.3317 -0.55485 2012 4 29 56046 0.0613 0.3324 -0.55593 2012 4 30 56047 0.0617 0.3331 -0.55718 2012 5 1 56048 0.0620 0.3339 -0.55861 2012 5 2 56049 0.0624 0.3346 -0.56019 2012 5 3 56050 0.0627 0.3353 -0.56185 2012 5 4 56051 0.0631 0.3360 -0.56351 2012 5 5 56052 0.0635 0.3367 -0.56507 2012 5 6 56053 0.0639 0.3374 -0.56644 2012 5 7 56054 0.0643 0.3380 -0.56763 2012 5 8 56055 0.0647 0.3387 -0.56867 2012 5 9 56056 0.0652 0.3394 -0.56965 2012 5 10 56057 0.0656 0.3400 -0.57066 2012 5 11 56058 0.0661 0.3407 -0.57176 2012 5 12 56059 0.0665 0.3413 -0.57297 2012 5 13 56060 0.0670 0.3419 -0.57427 2012 5 14 56061 0.0675 0.3425 -0.57563 2012 5 15 56062 0.0680 0.3431 -0.57701 2012 5 16 56063 0.0685 0.3437 -0.57837 2012 5 17 56064 0.0690 0.3443 -0.57968 2012 5 18 56065 0.0695 0.3449 -0.58091 2012 5 19 56066 0.0701 0.3455 -0.58203 2012 5 20 56067 0.0706 0.3461 -0.58303 2012 5 21 56068 0.0712 0.3466 -0.58393 2012 5 22 56069 0.0717 0.3471 -0.58476 2012 5 23 56070 0.0723 0.3477 -0.58556 2012 5 24 56071 0.0729 0.3482 -0.58638 2012 5 25 56072 0.0734 0.3487 -0.58725 2012 5 26 56073 0.0740 0.3492 -0.58822 2012 5 27 56074 0.0746 0.3497 -0.58930 2012 5 28 56075 0.0752 0.3502 -0.59050 2012 5 29 56076 0.0758 0.3507 -0.59182 2012 5 30 56077 0.0765 0.3511 -0.59320 2012 5 31 56078 0.0771 0.3516 -0.59457 2012 6 1 56079 0.0777 0.3520 -0.59584 2012 6 2 56080 0.0783 0.3524 -0.59694 2012 6 3 56081 0.0790 0.3528 -0.59781 2012 6 4 56082 0.0796 0.3532 -0.59846 2012 6 5 56083 0.0802 0.3536 -0.59895 2012 6 6 56084 0.0809 0.3540 -0.59937 2012 6 7 56085 0.0815 0.3544 -0.59979 2012 6 8 56086 0.0822 0.3547 -0.60024 2012 6 9 56087 0.0828 0.3551 -0.60072 2012 6 10 56088 0.0835 0.3554 -0.60120 2012 6 11 56089 0.0842 0.3557 -0.60164 2012 6 12 56090 0.0848 0.3561 -0.60201 2012 6 13 56091 0.0855 0.3564 -0.60227 2012 6 14 56092 0.0862 0.3566 -0.60241 2012 6 15 56093 0.0868 0.3569 -0.60240 2012 6 16 56094 0.0875 0.3572 -0.60225 2012 6 17 56095 0.0882 0.3575 -0.60201 2012 6 18 56096 0.0888 0.3577 -0.60170 2012 6 19 56097 0.0895 0.3579 -0.60134 2012 6 20 56098 0.0902 0.3581 -0.60094 2012 6 21 56099 0.0909 0.3584 -0.60055 2012 6 22 56100 0.0915 0.3586 -0.60021 2012 6 23 56101 0.0922 0.3587 -0.59998 2012 6 24 56102 0.0929 0.3589 -0.59990 2012 6 25 56103 0.0935 0.3591 -0.60004 2012 6 26 56104 0.0942 0.3592 -0.60031 2012 6 27 56105 0.0948 0.3594 -0.60064 2012 6 28 56106 0.0955 0.3595 -0.60095 2012 6 29 56107 0.0962 0.3596 -0.60114 2012 6 30 56108 0.0968 0.3597 -0.60117 2012 7 1 56109 0.0975 0.3598 -0.60109 2012 7 2 56110 0.0981 0.3599 -0.60094 2012 7 3 56111 0.0988 0.3600 -0.60082 2012 7 4 56112 0.0994 0.3601 -0.60080 2012 7 5 56113 0.1000 0.3601 -0.60093 2012 7 6 56114 0.1007 0.3602 -0.60114 2012 7 7 56115 0.1013 0.3602 -0.60143 2012 7 8 56116 0.1019 0.3602 -0.60173 2012 7 9 56117 0.1025 0.3602 -0.60201 2012 7 10 56118 0.1031 0.3602 -0.60218 2012 7 11 56119 0.1038 0.3602 -0.60217 2012 7 12 56120 0.1044 0.3602 -0.60198 2012 7 13 56121 0.1049 0.3602 -0.60166 2012 7 14 56122 0.1055 0.3601 -0.60111 2012 7 15 56123 0.1061 0.3601 -0.60042 2012 7 16 56124 0.1067 0.3600 -0.59966 2012 7 17 56125 0.1073 0.3600 -0.59891 2012 7 18 56126 0.1078 0.3599 -0.59816 2012 7 19 56127 0.1084 0.3598 -0.59746 2012 7 20 56128 0.1089 0.3597 -0.59692 2012 7 21 56129 0.1095 0.3596 -0.59658 2012 7 22 56130 0.1100 0.3595 -0.59645 2012 7 23 56131 0.1105 0.3594 -0.59644 2012 7 24 56132 0.1110 0.3592 -0.59647 2012 7 25 56133 0.1115 0.3591 -0.59649 2012 7 26 56134 0.1120 0.3590 -0.59646 2012 7 27 56135 0.1125 0.3588 -0.59642 2012 7 28 56136 0.1130 0.3587 -0.59625 2012 7 29 56137 0.1135 0.3585 -0.59597 2012 7 30 56138 0.1139 0.3583 -0.59566 2012 7 31 56139 0.1144 0.3581 -0.59536 2012 8 1 56140 0.1148 0.3579 -0.59520 2012 8 2 56141 0.1152 0.3577 -0.59519 2012 8 3 56142 0.1157 0.3575 -0.59528 2012 8 4 56143 0.1161 0.3573 -0.59542 2012 8 5 56144 0.1165 0.3571 -0.59550 2012 8 6 56145 0.1169 0.3569 -0.59551 2012 8 7 56146 0.1172 0.3567 -0.59541 2012 8 8 56147 0.1176 0.3564 -0.59514 2012 8 9 56148 0.1180 0.3562 -0.59480 2012 8 10 56149 0.1183 0.3559 -0.59436 2012 8 11 56150 0.1187 0.3557 -0.59390 2012 8 12 56151 0.1190 0.3554 -0.59342 2012 8 13 56152 0.1193 0.3552 -0.59302 2012 8 14 56153 0.1196 0.3549 -0.59271 2012 8 15 56154 0.1199 0.3547 -0.59251 2012 8 16 56155 0.1202 0.3544 -0.59241 2012 8 17 56156 0.1204 0.3541 -0.59246 2012 8 18 56157 0.1207 0.3538 -0.59272 2012 8 19 56158 0.1209 0.3535 -0.59310 2012 8 20 56159 0.1212 0.3533 -0.59355 2012 8 21 56160 0.1214 0.3530 -0.59397 2012 8 22 56161 0.1216 0.3527 -0.59430 2012 8 23 56162 0.1218 0.3524 -0.59450 2012 8 24 56163 0.1220 0.3521 -0.59455 2012 8 25 56164 0.1222 0.3518 -0.59449 2012 8 26 56165 0.1223 0.3515 -0.59437 2012 8 27 56166 0.1225 0.3512 -0.59422 2012 8 28 56167 0.1226 0.3509 -0.59418 2012 8 29 56168 0.1228 0.3506 -0.59429 2012 8 30 56169 0.1229 0.3502 -0.59454 2012 8 31 56170 0.1230 0.3499 -0.59501 2012 9 1 56171 0.1231 0.3496 -0.59556 2012 9 2 56172 0.1231 0.3493 -0.59611 2012 9 3 56173 0.1232 0.3490 -0.59657 2012 9 4 56174 0.1233 0.3487 -0.59695 2012 9 5 56175 0.1233 0.3484 -0.59724 2012 9 6 56176 0.1233 0.3481 -0.59742 2012 9 7 56177 0.1234 0.3478 -0.59749 2012 9 8 56178 0.1234 0.3474 -0.59750 2012 9 9 56179 0.1234 0.3471 -0.59750 2012 9 10 56180 0.1234 0.3468 -0.59752 2012 9 11 56181 0.1233 0.3465 -0.59760 2012 9 12 56182 0.1233 0.3462 -0.59780 2012 9 13 56183 0.1232 0.3459 -0.59812 2012 9 14 56184 0.1232 0.3456 -0.59857 2012 9 15 56185 0.1231 0.3453 -0.59926 2012 9 16 56186 0.1230 0.3450 -0.60012 2012 9 17 56187 0.1229 0.3447 -0.60112 2012 9 18 56188 0.1228 0.3444 -0.60211 2012 9 19 56189 0.1227 0.3442 -0.60301 2012 9 20 56190 0.1226 0.3439 -0.60377 2012 9 21 56191 0.1224 0.3436 -0.60436 2012 9 22 56192 0.1223 0.3433 -0.60489 2012 9 23 56193 0.1221 0.3430 -0.60537 2012 9 24 56194 0.1219 0.3428 -0.60584 2012 9 25 56195 0.1218 0.3425 -0.60638 2012 9 26 56196 0.1216 0.3422 -0.60703 2012 9 27 56197 0.1214 0.3420 -0.60777 2012 9 28 56198 0.1212 0.3417 -0.60860 2012 9 29 56199 0.1209 0.3415 -0.60947 2012 9 30 56200 0.1207 0.3413 -0.61029 2012 10 1 56201 0.1205 0.3410 -0.61106 2012 10 2 56202 0.1202 0.3408 -0.61175 2012 10 3 56203 0.1199 0.3406 -0.61238 2012 10 4 56204 0.1197 0.3403 -0.61288 2012 10 5 56205 0.1194 0.3401 -0.61329 2012 10 6 56206 0.1191 0.3399 -0.61370 2012 10 7 56207 0.1188 0.3397 -0.61406 2012 10 8 56208 0.1185 0.3395 -0.61455 2012 10 9 56209 0.1182 0.3393 -0.61516 2012 10 10 56210 0.1179 0.3392 -0.61588 2012 10 11 56211 0.1176 0.3390 -0.61671 2012 10 12 56212 0.1172 0.3388 -0.61770 2012 10 13 56213 0.1169 0.3387 -0.61885 2012 10 14 56214 0.1165 0.3385 -0.62010 2012 10 15 56215 0.1162 0.3384 -0.62136 2012 10 16 56216 0.1158 0.3382 -0.62248 2012 10 17 56217 0.1154 0.3381 -0.62349 2012 10 18 56218 0.1151 0.3380 -0.62439 2012 10 19 56219 0.1147 0.3379 -0.62517 2012 10 20 56220 0.1143 0.3378 -0.62590 2012 10 21 56221 0.1139 0.3377 -0.62660 2012 10 22 56222 0.1135 0.3376 -0.62740 2012 10 23 56223 0.1131 0.3375 -0.62834 2012 10 24 56224 0.1127 0.3374 -0.62937 2012 10 25 56225 0.1123 0.3374 -0.63050 2012 10 26 56226 0.1119 0.3373 -0.63173 2012 10 27 56227 0.1114 0.3373 -0.63297 2012 10 28 56228 0.1110 0.3372 -0.63412 2012 10 29 56229 0.1106 0.3372 -0.63517 2012 10 30 56230 0.1101 0.3372 -0.63608 2012 10 31 56231 0.1097 0.3372 -0.63684 2012 11 1 56232 0.1093 0.3372 -0.63748 2012 11 2 56233 0.1088 0.3372 -0.63807 2012 11 3 56234 0.1084 0.3372 -0.63868 2012 11 4 56235 0.1079 0.3373 -0.63936 2012 11 5 56236 0.1075 0.3373 -0.64011 2012 11 6 56237 0.1070 0.3373 -0.64096 2012 11 7 56238 0.1066 0.3374 -0.64201 2012 11 8 56239 0.1061 0.3375 -0.64320 2012 11 9 56240 0.1057 0.3375 -0.64449 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) 55854 -76.28 0.14 -10.19 0.05 55855 -75.92 0.14 -9.99 0.05 55856 -75.61 0.15 -9.87 0.04 55857 -75.59 0.30 -9.78 0.03 55858 -75.82 0.30 -9.64 0.03 55859 -76.05 0.30 -9.50 0.03 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55854 0.252 0.056 0.086 0.050 55855 0.241 0.056 0.099 0.050 55856 0.227 0.060 0.106 0.040 55857 0.206 0.119 0.134 0.030 55858 0.186 0.119 0.170 0.030 55859 0.164 0.119 0.211 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).