********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 8 December 2011 Vol. XXIV No. 049 ______________________________________________________________________ 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 12 2 55897 0.16051 .00009 0.28411 .00009 -0.387721 0.000010 11 12 3 55898 0.16018 .00009 0.28318 .00009 -0.388920 0.000011 11 12 4 55899 0.15986 .00009 0.28228 .00009 -0.390007 0.000011 11 12 5 55900 0.15953 .00009 0.28158 .00009 -0.391019 0.000009 11 12 6 55901 0.15891 .00009 0.28110 .00009 -0.391937 0.000005 11 12 7 55902 0.15774 .00009 0.28055 .00009 -0.392708 0.000005 11 12 8 55903 0.15613 .00009 0.27992 .00009 -0.393348 0.000004 IERS Final Values MJD x y UT1-UTC " " s 11 10 2 55836 0.1800 0.3750 -0.32262 11 10 3 55837 0.1802 0.3732 -0.32354 11 10 4 55838 0.1808 0.3713 -0.32446 11 10 5 55839 0.1818 0.3694 -0.32548 11 10 6 55840 0.1830 0.3679 -0.32662 11 10 7 55841 0.1839 0.3666 -0.32788 11 10 8 55842 0.1849 0.3654 -0.32922 11 10 9 55843 0.1859 0.3641 -0.33061 11 10 10 55844 0.1863 0.3627 -0.33200 11 10 11 55845 0.1863 0.3612 -0.33335 11 10 12 55846 0.1862 0.3599 -0.33465 11 10 13 55847 0.1859 0.3584 -0.33580 11 10 14 55848 0.1856 0.3568 -0.33676 11 10 15 55849 0.1851 0.3550 -0.33752 11 10 16 55850 0.1846 0.3530 -0.33813 11 10 17 55851 0.1845 0.3512 -0.33866 11 10 18 55852 0.1847 0.3496 -0.33916 11 10 19 55853 0.1854 0.3482 -0.33972 11 10 20 55854 0.1862 0.3469 -0.34041 11 10 21 55855 0.1868 0.3453 -0.34129 11 10 22 55856 0.1870 0.3439 -0.34238 11 10 23 55857 0.1871 0.3426 -0.34368 11 10 24 55858 0.1873 0.3416 -0.34518 11 10 25 55859 0.1877 0.3404 -0.34675 11 10 26 55860 0.1877 0.3388 -0.34828 11 10 27 55861 0.1876 0.3369 -0.34965 11 10 28 55862 0.1875 0.3349 -0.35081 11 10 29 55863 0.1876 0.3327 -0.35177 11 10 30 55864 0.1876 0.3303 -0.35261 11 10 31 55865 0.1873 0.3282 -0.35343 11 11 1 55866 0.1869 0.3264 -0.35431 _______________________________________________________________________ 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 = 0.0902 + 0.0368 cos A - 0.1141 sin A + 0.0309 cos C + 0.0454 sin C y = 0.3365 - 0.1033 cos A - 0.0395 sin A + 0.0454 cos C - 0.0309 sin C UT1-UTC = -0.4077 - 0.00083 (MJD - 55911) - (UT2-UT1) where A = 2*pi*(MJD-55903)/365.25 and C = 2*pi*(MJD-55903)/435. TAI-UTC(MJD 55904) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55903)**0.80 S t = 0.00025 (MJD-55903)**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 9 55904 0.1547 0.2791 -0.39395 2011 12 10 55905 0.1531 0.2783 -0.39452 2011 12 11 55906 0.1518 0.2776 -0.39508 2011 12 12 55907 0.1505 0.2769 -0.39564 2011 12 13 55908 0.1493 0.2764 -0.39627 2011 12 14 55909 0.1481 0.2758 -0.39703 2011 12 15 55910 0.1469 0.2754 -0.39797 2011 12 16 55911 0.1456 0.2749 -0.39909 2011 12 17 55912 0.1444 0.2744 -0.40033 2011 12 18 55913 0.1431 0.2739 -0.40165 2011 12 19 55914 0.1419 0.2734 -0.40297 2011 12 20 55915 0.1406 0.2730 -0.40421 2011 12 21 55916 0.1394 0.2726 -0.40528 2011 12 22 55917 0.1382 0.2722 -0.40615 2011 12 23 55918 0.1369 0.2718 -0.40687 2011 12 24 55919 0.1357 0.2715 -0.40750 2011 12 25 55920 0.1345 0.2711 -0.40811 2011 12 26 55921 0.1332 0.2708 -0.40878 2011 12 27 55922 0.1320 0.2705 -0.40956 2011 12 28 55923 0.1308 0.2703 -0.41044 2011 12 29 55924 0.1296 0.2700 -0.41140 2011 12 30 55925 0.1283 0.2698 -0.41237 2011 12 31 55926 0.1271 0.2696 -0.41332 2012 1 1 55927 0.1259 0.2694 -0.41419 2012 1 2 55928 0.1247 0.2692 -0.41498 2012 1 3 55929 0.1234 0.2690 -0.41565 2012 1 4 55930 0.1222 0.2689 -0.41620 2012 1 5 55931 0.1210 0.2688 -0.41667 2012 1 6 55932 0.1198 0.2687 -0.41708 2012 1 7 55933 0.1186 0.2686 -0.41747 2012 1 8 55934 0.1174 0.2686 -0.41788 2012 1 9 55935 0.1162 0.2685 -0.41837 2012 1 10 55936 0.1150 0.2685 -0.41900 2012 1 11 55937 0.1138 0.2685 -0.41980 2012 1 12 55938 0.1127 0.2685 -0.42078 2012 1 13 55939 0.1115 0.2686 -0.42189 2012 1 14 55940 0.1103 0.2686 -0.42308 2012 1 15 55941 0.1091 0.2687 -0.42426 2012 1 16 55942 0.1080 0.2688 -0.42535 2012 1 17 55943 0.1068 0.2689 -0.42630 2012 1 18 55944 0.1057 0.2690 -0.42709 2012 1 19 55945 0.1046 0.2692 -0.42775 2012 1 20 55946 0.1035 0.2694 -0.42833 2012 1 21 55947 0.1023 0.2695 -0.42891 2012 1 22 55948 0.1012 0.2697 -0.42956 2012 1 23 55949 0.1001 0.2700 -0.43035 2012 1 24 55950 0.0990 0.2702 -0.43127 2012 1 25 55951 0.0980 0.2705 -0.43232 2012 1 26 55952 0.0969 0.2707 -0.43343 2012 1 27 55953 0.0958 0.2710 -0.43456 2012 1 28 55954 0.0948 0.2713 -0.43566 2012 1 29 55955 0.0938 0.2716 -0.43667 2012 1 30 55956 0.0927 0.2720 -0.43758 2012 1 31 55957 0.0917 0.2723 -0.43837 2012 2 1 55958 0.0907 0.2727 -0.43906 2012 2 2 55959 0.0897 0.2731 -0.43966 2012 2 3 55960 0.0887 0.2735 -0.44021 2012 2 4 55961 0.0878 0.2739 -0.44078 2012 2 5 55962 0.0868 0.2743 -0.44142 2012 2 6 55963 0.0859 0.2747 -0.44221 2012 2 7 55964 0.0850 0.2752 -0.44318 2012 2 8 55965 0.0841 0.2757 -0.44437 2012 2 9 55966 0.0832 0.2762 -0.44575 2012 2 10 55967 0.0823 0.2767 -0.44727 2012 2 11 55968 0.0814 0.2772 -0.44881 2012 2 12 55969 0.0805 0.2777 -0.45029 2012 2 13 55970 0.0797 0.2782 -0.45162 2012 2 14 55971 0.0789 0.2788 -0.45276 2012 2 15 55972 0.0781 0.2793 -0.45374 2012 2 16 55973 0.0773 0.2799 -0.45460 2012 2 17 55974 0.0765 0.2805 -0.45543 2012 2 18 55975 0.0757 0.2811 -0.45629 2012 2 19 55976 0.0750 0.2817 -0.45726 2012 2 20 55977 0.0742 0.2823 -0.45835 2012 2 21 55978 0.0735 0.2830 -0.45958 2012 2 22 55979 0.0728 0.2836 -0.46091 2012 2 23 55980 0.0721 0.2843 -0.46227 2012 2 24 55981 0.0715 0.2849 -0.46362 2012 2 25 55982 0.0708 0.2856 -0.46491 2012 2 26 55983 0.0702 0.2863 -0.46610 2012 2 27 55984 0.0696 0.2870 -0.46719 2012 2 28 55985 0.0690 0.2877 -0.46818 2012 2 29 55986 0.0684 0.2884 -0.46907 2012 3 1 55987 0.0678 0.2891 -0.46992 2012 3 2 55988 0.0673 0.2898 -0.47075 2012 3 3 55989 0.0667 0.2906 -0.47164 2012 3 4 55990 0.0662 0.2913 -0.47264 2012 3 5 55991 0.0657 0.2920 -0.47382 2012 3 6 55992 0.0652 0.2928 -0.47521 2012 3 7 55993 0.0648 0.2936 -0.47682 2012 3 8 55994 0.0643 0.2943 -0.47860 2012 3 9 55995 0.0639 0.2951 -0.48049 2012 3 10 55996 0.0635 0.2959 -0.48235 2012 3 11 55997 0.0631 0.2967 -0.48410 2012 3 12 55998 0.0628 0.2975 -0.48565 2012 3 13 55999 0.0624 0.2982 -0.48701 2012 3 14 56000 0.0621 0.2990 -0.48822 2012 3 15 56001 0.0618 0.2998 -0.48935 2012 3 16 56002 0.0615 0.3007 -0.49050 2012 3 17 56003 0.0612 0.3015 -0.49172 2012 3 18 56004 0.0609 0.3023 -0.49305 2012 3 19 56005 0.0607 0.3031 -0.49449 2012 3 20 56006 0.0605 0.3039 -0.49603 2012 3 21 56007 0.0603 0.3047 -0.49763 2012 3 22 56008 0.0601 0.3056 -0.49923 2012 3 23 56009 0.0599 0.3064 -0.50079 2012 3 24 56010 0.0597 0.3072 -0.50226 2012 3 25 56011 0.0596 0.3080 -0.50363 2012 3 26 56012 0.0595 0.3089 -0.50485 2012 3 27 56013 0.0594 0.3097 -0.50596 2012 3 28 56014 0.0593 0.3105 -0.50699 2012 3 29 56015 0.0593 0.3114 -0.50800 2012 3 30 56016 0.0592 0.3122 -0.50902 2012 3 31 56017 0.0592 0.3130 -0.51011 2012 4 1 56018 0.0592 0.3139 -0.51134 2012 4 2 56019 0.0592 0.3147 -0.51275 2012 4 3 56020 0.0592 0.3155 -0.51437 2012 4 4 56021 0.0593 0.3163 -0.51618 2012 4 5 56022 0.0593 0.3172 -0.51815 2012 4 6 56023 0.0594 0.3180 -0.52016 2012 4 7 56024 0.0595 0.3188 -0.52210 2012 4 8 56025 0.0596 0.3196 -0.52388 2012 4 9 56026 0.0598 0.3204 -0.52546 2012 4 10 56027 0.0599 0.3212 -0.52684 2012 4 11 56028 0.0601 0.3220 -0.52811 2012 4 12 56029 0.0603 0.3228 -0.52935 2012 4 13 56030 0.0605 0.3236 -0.53062 2012 4 14 56031 0.0607 0.3244 -0.53198 2012 4 15 56032 0.0609 0.3252 -0.53342 2012 4 16 56033 0.0611 0.3260 -0.53493 2012 4 17 56034 0.0614 0.3268 -0.53648 2012 4 18 56035 0.0617 0.3275 -0.53802 2012 4 19 56036 0.0620 0.3283 -0.53952 2012 4 20 56037 0.0623 0.3291 -0.54092 2012 4 21 56038 0.0626 0.3298 -0.54220 2012 4 22 56039 0.0629 0.3306 -0.54336 2012 4 23 56040 0.0633 0.3313 -0.54440 2012 4 24 56041 0.0636 0.3320 -0.54535 2012 4 25 56042 0.0640 0.3328 -0.54623 2012 4 26 56043 0.0644 0.3335 -0.54710 2012 4 27 56044 0.0648 0.3342 -0.54801 2012 4 28 56045 0.0652 0.3349 -0.54901 2012 4 29 56046 0.0657 0.3356 -0.55015 2012 4 30 56047 0.0661 0.3363 -0.55145 2012 5 1 56048 0.0666 0.3370 -0.55293 2012 5 2 56049 0.0670 0.3377 -0.55456 2012 5 3 56050 0.0675 0.3383 -0.55627 2012 5 4 56051 0.0680 0.3390 -0.55796 2012 5 5 56052 0.0685 0.3396 -0.55955 2012 5 6 56053 0.0690 0.3403 -0.56094 2012 5 7 56054 0.0696 0.3409 -0.56213 2012 5 8 56055 0.0701 0.3415 -0.56316 2012 5 9 56056 0.0707 0.3421 -0.56411 2012 5 10 56057 0.0712 0.3427 -0.56507 2012 5 11 56058 0.0718 0.3433 -0.56609 2012 5 12 56059 0.0724 0.3439 -0.56719 2012 5 13 56060 0.0730 0.3444 -0.56835 2012 5 14 56061 0.0736 0.3450 -0.56953 2012 5 15 56062 0.0742 0.3455 -0.57068 2012 5 16 56063 0.0748 0.3461 -0.57178 2012 5 17 56064 0.0754 0.3466 -0.57277 2012 5 18 56065 0.0760 0.3471 -0.57364 2012 5 19 56066 0.0767 0.3476 -0.57437 2012 5 20 56067 0.0773 0.3481 -0.57498 2012 5 21 56068 0.0780 0.3486 -0.57547 2012 5 22 56069 0.0787 0.3490 -0.57589 2012 5 23 56070 0.0793 0.3495 -0.57628 2012 5 24 56071 0.0800 0.3499 -0.57669 2012 5 25 56072 0.0807 0.3504 -0.57716 2012 5 26 56073 0.0814 0.3508 -0.57775 2012 5 27 56074 0.0821 0.3512 -0.57847 2012 5 28 56075 0.0828 0.3516 -0.57934 2012 5 29 56076 0.0835 0.3520 -0.58034 2012 5 30 56077 0.0842 0.3523 -0.58143 2012 5 31 56078 0.0849 0.3527 -0.58254 2012 6 1 56079 0.0856 0.3530 -0.58358 2012 6 2 56080 0.0864 0.3534 -0.58447 2012 6 3 56081 0.0871 0.3537 -0.58517 2012 6 4 56082 0.0878 0.3540 -0.58571 2012 6 5 56083 0.0886 0.3543 -0.58614 2012 6 6 56084 0.0893 0.3546 -0.58656 2012 6 7 56085 0.0900 0.3548 -0.58702 2012 6 8 56086 0.0908 0.3551 -0.58758 2012 6 9 56087 0.0915 0.3553 -0.58822 2012 6 10 56088 0.0923 0.3556 -0.58889 2012 6 11 56089 0.0930 0.3558 -0.58955 2012 6 12 56090 0.0938 0.3560 -0.59015 2012 6 13 56091 0.0945 0.3562 -0.59065 2012 6 14 56092 0.0953 0.3563 -0.59103 2012 6 15 56093 0.0960 0.3565 -0.59126 2012 6 16 56094 0.0967 0.3567 -0.59136 2012 6 17 56095 0.0975 0.3568 -0.59133 2012 6 18 56096 0.0982 0.3569 -0.59121 2012 6 19 56097 0.0990 0.3570 -0.59105 2012 6 20 56098 0.0997 0.3571 -0.59090 2012 6 21 56099 0.1005 0.3572 -0.59081 2012 6 22 56100 0.1012 0.3573 -0.59084 2012 6 23 56101 0.1019 0.3574 -0.59104 2012 6 24 56102 0.1027 0.3574 -0.59141 2012 6 25 56103 0.1034 0.3575 -0.59195 2012 6 26 56104 0.1041 0.3575 -0.59262 2012 6 27 56105 0.1048 0.3575 -0.59336 2012 6 28 56106 0.1056 0.3575 -0.59409 2012 6 29 56107 0.1063 0.3575 -0.59475 2012 6 30 56108 0.1070 0.3575 -0.59528 2012 7 1 56109 0.1077 0.3574 -0.59568 2012 7 2 56110 0.1084 0.3574 -0.59598 2012 7 3 56111 0.1091 0.3573 -0.59626 2012 7 4 56112 0.1098 0.3573 -0.59657 2012 7 5 56113 0.1105 0.3572 -0.59697 2012 7 6 56114 0.1111 0.3571 -0.59745 2012 7 7 56115 0.1118 0.3570 -0.59796 2012 7 8 56116 0.1125 0.3569 -0.59846 2012 7 9 56117 0.1131 0.3568 -0.59889 2012 7 10 56118 0.1138 0.3566 -0.59920 2012 7 11 56119 0.1144 0.3565 -0.59942 2012 7 12 56120 0.1151 0.3563 -0.59954 2012 7 13 56121 0.1157 0.3561 -0.59959 2012 7 14 56122 0.1163 0.3560 -0.59959 2012 7 15 56123 0.1169 0.3558 -0.59958 2012 7 16 56124 0.1175 0.3556 -0.59958 2012 7 17 56125 0.1181 0.3554 -0.59962 2012 7 18 56126 0.1187 0.3551 -0.59971 2012 7 19 56127 0.1193 0.3549 -0.59989 2012 7 20 56128 0.1198 0.3547 -0.60012 2012 7 21 56129 0.1204 0.3544 -0.60044 2012 7 22 56130 0.1210 0.3542 -0.60090 2012 7 23 56131 0.1215 0.3539 -0.60151 2012 7 24 56132 0.1220 0.3536 -0.60211 2012 7 25 56133 0.1225 0.3533 -0.60265 2012 7 26 56134 0.1230 0.3530 -0.60309 2012 7 27 56135 0.1235 0.3527 -0.60339 2012 7 28 56136 0.1240 0.3524 -0.60357 2012 7 29 56137 0.1245 0.3521 -0.60361 2012 7 30 56138 0.1250 0.3518 -0.60351 2012 7 31 56139 0.1254 0.3515 -0.60342 2012 8 1 56140 0.1259 0.3511 -0.60333 2012 8 2 56141 0.1263 0.3508 -0.60332 2012 8 3 56142 0.1267 0.3504 -0.60343 2012 8 4 56143 0.1271 0.3501 -0.60362 2012 8 5 56144 0.1275 0.3497 -0.60377 2012 8 6 56145 0.1279 0.3493 -0.60389 2012 8 7 56146 0.1282 0.3490 -0.60392 2012 8 8 56147 0.1286 0.3486 -0.60383 2012 8 9 56148 0.1289 0.3482 -0.60362 2012 8 10 56149 0.1293 0.3478 -0.60327 2012 8 11 56150 0.1296 0.3474 -0.60283 2012 8 12 56151 0.1299 0.3470 -0.60240 2012 8 13 56152 0.1302 0.3466 -0.60200 2012 8 14 56153 0.1305 0.3462 -0.60163 2012 8 15 56154 0.1307 0.3458 -0.60132 2012 8 16 56155 0.1310 0.3453 -0.60112 2012 8 17 56156 0.1312 0.3449 -0.60104 2012 8 18 56157 0.1314 0.3445 -0.60112 2012 8 19 56158 0.1316 0.3441 -0.60136 2012 8 20 56159 0.1318 0.3436 -0.60178 2012 8 21 56160 0.1320 0.3432 -0.60224 2012 8 22 56161 0.1322 0.3427 -0.60266 2012 8 23 56162 0.1324 0.3423 -0.60296 2012 8 24 56163 0.1325 0.3419 -0.60312 2012 8 25 56164 0.1326 0.3414 -0.60315 2012 8 26 56165 0.1327 0.3410 -0.60319 2012 8 27 56166 0.1328 0.3405 -0.60328 2012 8 28 56167 0.1329 0.3401 -0.60352 2012 8 29 56168 0.1330 0.3396 -0.60394 2012 8 30 56169 0.1331 0.3392 -0.60456 2012 8 31 56170 0.1331 0.3387 -0.60525 2012 9 1 56171 0.1331 0.3383 -0.60601 2012 9 2 56172 0.1332 0.3378 -0.60674 2012 9 3 56173 0.1332 0.3374 -0.60743 2012 9 4 56174 0.1332 0.3369 -0.60800 2012 9 5 56175 0.1331 0.3365 -0.60838 2012 9 6 56176 0.1331 0.3360 -0.60861 2012 9 7 56177 0.1331 0.3356 -0.60874 2012 9 8 56178 0.1330 0.3351 -0.60871 2012 9 9 56179 0.1329 0.3347 -0.60862 2012 9 10 56180 0.1328 0.3343 -0.60855 2012 9 11 56181 0.1327 0.3338 -0.60857 2012 9 12 56182 0.1326 0.3334 -0.60866 2012 9 13 56183 0.1325 0.3330 -0.60889 2012 9 14 56184 0.1323 0.3325 -0.60931 2012 9 15 56185 0.1322 0.3321 -0.60996 2012 9 16 56186 0.1320 0.3317 -0.61079 2012 9 17 56187 0.1318 0.3313 -0.61169 2012 9 18 56188 0.1316 0.3308 -0.61254 2012 9 19 56189 0.1314 0.3304 -0.61328 2012 9 20 56190 0.1312 0.3300 -0.61391 2012 9 21 56191 0.1310 0.3296 -0.61453 2012 9 22 56192 0.1307 0.3292 -0.61508 2012 9 23 56193 0.1305 0.3288 -0.61562 2012 9 24 56194 0.1302 0.3285 -0.61622 2012 9 25 56195 0.1299 0.3281 -0.61690 2012 9 26 56196 0.1296 0.3277 -0.61775 2012 9 27 56197 0.1293 0.3273 -0.61872 2012 9 28 56198 0.1290 0.3270 -0.61974 2012 9 29 56199 0.1287 0.3266 -0.62074 2012 9 30 56200 0.1284 0.3263 -0.62162 2012 10 1 56201 0.1280 0.3259 -0.62240 2012 10 2 56202 0.1276 0.3256 -0.62305 2012 10 3 56203 0.1273 0.3253 -0.62354 2012 10 4 56204 0.1269 0.3250 -0.62396 2012 10 5 56205 0.1265 0.3246 -0.62434 2012 10 6 56206 0.1261 0.3243 -0.62473 2012 10 7 56207 0.1257 0.3240 -0.62518 2012 10 8 56208 0.1253 0.3238 -0.62577 2012 10 9 56209 0.1249 0.3235 -0.62649 2012 10 10 56210 0.1244 0.3232 -0.62737 2012 10 11 56211 0.1240 0.3229 -0.62838 2012 10 12 56212 0.1235 0.3227 -0.62953 2012 10 13 56213 0.1231 0.3224 -0.63086 2012 10 14 56214 0.1226 0.3222 -0.63226 2012 10 15 56215 0.1221 0.3220 -0.63364 2012 10 16 56216 0.1216 0.3218 -0.63492 2012 10 17 56217 0.1211 0.3216 -0.63603 2012 10 18 56218 0.1206 0.3214 -0.63699 2012 10 19 56219 0.1201 0.3212 -0.63782 2012 10 20 56220 0.1196 0.3210 -0.63859 2012 10 21 56221 0.1191 0.3208 -0.63937 2012 10 22 56222 0.1185 0.3207 -0.64021 2012 10 23 56223 0.1180 0.3205 -0.64115 2012 10 24 56224 0.1175 0.3204 -0.64220 2012 10 25 56225 0.1169 0.3203 -0.64330 2012 10 26 56226 0.1164 0.3201 -0.64451 2012 10 27 56227 0.1158 0.3200 -0.64569 2012 10 28 56228 0.1153 0.3199 -0.64683 2012 10 29 56229 0.1147 0.3199 -0.64781 2012 10 30 56230 0.1141 0.3198 -0.64868 2012 10 31 56231 0.1135 0.3197 -0.64945 2012 11 1 56232 0.1130 0.3197 -0.65014 2012 11 2 56233 0.1124 0.3196 -0.65075 2012 11 3 56234 0.1118 0.3196 -0.65135 2012 11 4 56235 0.1112 0.3196 -0.65198 2012 11 5 56236 0.1106 0.3196 -0.65266 2012 11 6 56237 0.1100 0.3196 -0.65343 2012 11 7 56238 0.1094 0.3196 -0.65431 2012 11 8 56239 0.1088 0.3196 -0.65529 2012 11 9 56240 0.1082 0.3197 -0.65636 2012 11 10 56241 0.1076 0.3197 -0.65758 2012 11 11 56242 0.1070 0.3198 -0.65890 2012 11 12 56243 0.1064 0.3199 -0.66026 2012 11 13 56244 0.1058 0.3200 -0.66155 2012 11 14 56245 0.1052 0.3201 -0.66272 2012 11 15 56246 0.1047 0.3202 -0.66375 2012 11 16 56247 0.1041 0.3203 -0.66469 2012 11 17 56248 0.1035 0.3204 -0.66562 2012 11 18 56249 0.1029 0.3206 -0.66658 2012 11 19 56250 0.1023 0.3207 -0.66756 2012 11 20 56251 0.1017 0.3209 -0.66857 2012 11 21 56252 0.1011 0.3211 -0.66962 2012 11 22 56253 0.1005 0.3213 -0.67063 2012 11 23 56254 0.0999 0.3215 -0.67161 2012 11 24 56255 0.0993 0.3217 -0.67252 2012 11 25 56256 0.0988 0.3220 -0.67330 2012 11 26 56257 0.0982 0.3222 -0.67398 2012 11 27 56258 0.0976 0.3224 -0.67457 2012 11 28 56259 0.0970 0.3227 -0.67510 2012 11 29 56260 0.0965 0.3230 -0.67554 2012 11 30 56261 0.0959 0.3233 -0.67592 2012 12 1 56262 0.0954 0.3236 -0.67635 2012 12 2 56263 0.0948 0.3239 -0.67678 2012 12 3 56264 0.0943 0.3242 -0.67737 2012 12 4 56265 0.0937 0.3245 -0.67807 2012 12 5 56266 0.0932 0.3249 -0.67887 2012 12 6 56267 0.0927 0.3252 -0.67973 2012 12 7 56268 0.0922 0.3256 -0.68067 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) 55881 -73.25 0.30 -8.89 0.04 55882 -73.09 0.30 -8.88 0.04 55883 -72.89 0.30 -8.78 0.04 55884 -72.71 0.17 -8.64 0.05 55885 -72.68 0.10 -8.47 0.04 55886 -72.86 0.16 -8.26 0.04 55887 -73.12 0.15 -8.11 0.04 55888 -73.16 0.15 -8.15 0.04 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 55836 -77.7 -9.2 55837 -78.2 -9.6 55838 -78.1 -10.1 55839 -77.5 -10.3 55840 -77.1 -10.2 55841 -76.8 -10.0 55842 -76.8 -9.8 55843 -76.9 -9.6 55844 -77.1 -9.5 55845 -77.3 -9.3 55846 -77.5 -9.4 55847 -77.6 -9.6 55848 -77.5 -9.9 55849 -77.1 -10.0 55850 -76.6 -10.1 55851 -76.3 -10.3 55852 -76.2 -10.4 55853 -76.4 -10.4 55854 -76.2 -10.2 55855 -75.8 -10.0 55856 -75.5 -9.8 55857 -75.4 -9.7 55858 -75.6 -9.6 55859 -75.8 -9.4 55860 -75.8 -9.5 55861 -75.3 -9.6 55862 -74.9 -9.6 55863 -74.9 -9.2 55864 -75.3 -8.9 55865 -75.6 -8.9 55866 -75.2 -9.2 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55881 0.289 0.119 0.091 0.040 55882 0.293 0.119 0.104 0.040 55883 0.280 0.119 0.104 0.040 55884 0.258 0.068 0.092 0.050 55885 0.241 0.040 0.077 0.040 55886 0.229 0.064 0.064 0.040 55887 0.210 0.060 0.038 0.040 55888 0.190 0.060 0.022 0.040 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 55836 0.48 0.90 55837 0.28 0.64 55838 0.15 0.37 55839 0.18 0.22 55840 0.23 0.16 55841 0.32 0.15 55842 0.30 0.20 55843 0.22 0.29 55844 0.13 0.25 55845 0.08 0.35 55846 0.07 0.29 55847 0.08 0.27 55848 0.12 0.17 55849 0.19 0.17 55850 0.25 0.11 55851 0.29 -0.01 55852 0.33 0.00 55853 0.27 0.01 55854 0.28 0.08 55855 0.29 0.09 55856 0.27 0.18 55857 0.28 0.21 55858 0.27 0.21 55859 0.26 0.31 55860 0.20 0.25 55861 0.17 0.28 55862 0.12 0.21 55863 0.13 0.28 55864 0.16 0.27 55865 0.16 0.28 55866 0.21 0.23 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).