********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 10 October 2013 Vol. XXVI No. 041 ______________________________________________________________________ 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 = +0.0 seconds beginning 22 Aug 2013 at 0000 UTC Beginning 1 July 2012: TAI-UTC = 35.000 000 seconds *********************************************************************** * Please note that daily and Bulletin A EOP data can be obtained from * * the primary Earth Orientation (EO) servers at: * * http://maia.usno.navy.mil ftp://maia.usno.navy.mil * * and from the backup EO server at: * * http://toshi.nofs.navy.mil ftp://toshi.nofs.navy.mil * *********************************************************************** ________________________________________________________________________ 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 13 10 4 56569 0.12860 .00009 0.29106 .00009 0.008805 0.000022 13 10 5 56570 0.12785 .00009 0.29018 .00009 0.007495 0.000026 13 10 6 56571 0.12663 .00009 0.28960 .00009 0.006216 0.000029 13 10 7 56572 0.12489 .00009 0.28903 .00009 0.004953 0.000018 13 10 8 56573 0.12322 .00009 0.28818 .00009 0.003717 0.000016 13 10 9 56574 0.12185 .00009 0.28735 .00009 0.002544 0.000012 13 10 10 56575 0.12048 .00009 0.28677 .00009 0.001437 0.000012 _______________________________________________________________________ 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 = 0.0889 + 0.0845 cos A - 0.0787 sin A - 0.0506 cos C + 0.0122 sin C y = 0.3441 - 0.0691 cos A - 0.0795 sin A + 0.0122 cos C + 0.0506 sin C UT1-UTC = -0.0312 - 0.00106 (MJD - 56583) - (UT2-UT1) where A = 2*pi*(MJD-56575)/365.25 and C = 2*pi*(MJD-56575)/435. TAI-UTC(MJD 56576) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56575)**0.80 S t = 0.00025 (MJD-56575)**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) 2013 10 11 56576 0.1191 0.2862 0.00036 2013 10 12 56577 0.1178 0.2857 -0.00075 2013 10 13 56578 0.1165 0.2852 -0.00193 2013 10 14 56579 0.1152 0.2847 -0.00321 2013 10 15 56580 0.1138 0.2843 -0.00459 2013 10 16 56581 0.1125 0.2838 -0.00603 2013 10 17 56582 0.1112 0.2835 -0.00746 2013 10 18 56583 0.1099 0.2831 -0.00881 2013 10 19 56584 0.1085 0.2828 -0.01006 2013 10 20 56585 0.1072 0.2824 -0.01120 2013 10 21 56586 0.1059 0.2820 -0.01222 2013 10 22 56587 0.1045 0.2817 -0.01316 2013 10 23 56588 0.1032 0.2814 -0.01406 2013 10 24 56589 0.1019 0.2812 -0.01494 2013 10 25 56590 0.1006 0.2810 -0.01582 2013 10 26 56591 0.0993 0.2808 -0.01673 2013 10 27 56592 0.0979 0.2806 -0.01772 2013 10 28 56593 0.0966 0.2804 -0.01882 2013 10 29 56594 0.0953 0.2803 -0.02006 2013 10 30 56595 0.0940 0.2801 -0.02144 2013 10 31 56596 0.0927 0.2800 -0.02294 2013 11 1 56597 0.0913 0.2799 -0.02449 2013 11 2 56598 0.0900 0.2799 -0.02606 2013 11 3 56599 0.0887 0.2798 -0.02759 2013 11 4 56600 0.0873 0.2798 -0.02903 2013 11 5 56601 0.0860 0.2798 -0.03036 2013 11 6 56602 0.0847 0.2798 -0.03161 2013 11 7 56603 0.0833 0.2799 -0.03283 2013 11 8 56604 0.0820 0.2799 -0.03410 2013 11 9 56605 0.0807 0.2800 -0.03546 2013 11 10 56606 0.0793 0.2801 -0.03693 2013 11 11 56607 0.0780 0.2803 -0.03850 2013 11 12 56608 0.0767 0.2804 -0.04013 2013 11 13 56609 0.0753 0.2806 -0.04177 2013 11 14 56610 0.0740 0.2808 -0.04336 2013 11 15 56611 0.0727 0.2810 -0.04484 2013 11 16 56612 0.0713 0.2813 -0.04619 2013 11 17 56613 0.0700 0.2815 -0.04740 2013 11 18 56614 0.0687 0.2818 -0.04849 2013 11 19 56615 0.0674 0.2821 -0.04948 2013 11 20 56616 0.0661 0.2825 -0.05041 2013 11 21 56617 0.0647 0.2828 -0.05132 2013 11 22 56618 0.0634 0.2832 -0.05225 2013 11 23 56619 0.0621 0.2836 -0.05325 2013 11 24 56620 0.0608 0.2840 -0.05434 2013 11 25 56621 0.0595 0.2845 -0.05554 2013 11 26 56622 0.0582 0.2850 -0.05685 2013 11 27 56623 0.0569 0.2854 -0.05826 2013 11 28 56624 0.0556 0.2860 -0.05974 2013 11 29 56625 0.0544 0.2865 -0.06126 2013 11 30 56626 0.0531 0.2871 -0.06275 2013 12 1 56627 0.0518 0.2876 -0.06418 2013 12 2 56628 0.0506 0.2882 -0.06552 2013 12 3 56629 0.0493 0.2889 -0.06678 2013 12 4 56630 0.0481 0.2895 -0.06800 2013 12 5 56631 0.0469 0.2902 -0.06924 2013 12 6 56632 0.0456 0.2909 -0.07056 2013 12 7 56633 0.0444 0.2916 -0.07198 2013 12 8 56634 0.0432 0.2923 -0.07351 2013 12 9 56635 0.0420 0.2931 -0.07508 2013 12 10 56636 0.0409 0.2938 -0.07664 2013 12 11 56637 0.0397 0.2946 -0.07813 2013 12 12 56638 0.0386 0.2955 -0.07950 2013 12 13 56639 0.0374 0.2963 -0.08074 2013 12 14 56640 0.0363 0.2972 -0.08183 2013 12 15 56641 0.0352 0.2980 -0.08279 2013 12 16 56642 0.0341 0.2990 -0.08365 2013 12 17 56643 0.0330 0.2999 -0.08445 2013 12 18 56644 0.0319 0.3008 -0.08522 2013 12 19 56645 0.0309 0.3018 -0.08600 2013 12 20 56646 0.0298 0.3028 -0.08683 2013 12 21 56647 0.0288 0.3038 -0.08774 2013 12 22 56648 0.0278 0.3048 -0.08875 2013 12 23 56649 0.0268 0.3058 -0.08984 2013 12 24 56650 0.0258 0.3069 -0.09102 2013 12 25 56651 0.0249 0.3080 -0.09226 2013 12 26 56652 0.0239 0.3091 -0.09353 2013 12 27 56653 0.0230 0.3102 -0.09480 2013 12 28 56654 0.0221 0.3113 -0.09602 2013 12 29 56655 0.0212 0.3124 -0.09717 2013 12 30 56656 0.0204 0.3136 -0.09826 2013 12 31 56657 0.0195 0.3148 -0.09931 2014 1 1 56658 0.0187 0.3160 -0.10037 2014 1 2 56659 0.0179 0.3172 -0.10152 2014 1 3 56660 0.0171 0.3184 -0.10280 2014 1 4 56661 0.0164 0.3197 -0.10421 2014 1 5 56662 0.0156 0.3210 -0.10573 2014 1 6 56663 0.0149 0.3222 -0.10728 2014 1 7 56664 0.0142 0.3235 -0.10877 2014 1 8 56665 0.0136 0.3248 -0.11016 2014 1 9 56666 0.0129 0.3262 -0.11141 2014 1 10 56667 0.0123 0.3275 -0.11251 2014 1 11 56668 0.0117 0.3288 -0.11346 2014 1 12 56669 0.0111 0.3302 -0.11430 2014 1 13 56670 0.0106 0.3316 -0.11506 2014 1 14 56671 0.0100 0.3330 -0.11578 2014 1 15 56672 0.0095 0.3344 -0.11652 2014 1 16 56673 0.0091 0.3358 -0.11730 2014 1 17 56674 0.0086 0.3372 -0.11815 2014 1 18 56675 0.0082 0.3386 -0.11910 2014 1 19 56676 0.0078 0.3401 -0.12015 2014 1 20 56677 0.0074 0.3415 -0.12129 2014 1 21 56678 0.0071 0.3430 -0.12251 2014 1 22 56679 0.0068 0.3444 -0.12377 2014 1 23 56680 0.0065 0.3459 -0.12504 2014 1 24 56681 0.0062 0.3474 -0.12629 2014 1 25 56682 0.0060 0.3489 -0.12748 2014 1 26 56683 0.0058 0.3504 -0.12862 2014 1 27 56684 0.0056 0.3519 -0.12968 2014 1 28 56685 0.0054 0.3534 -0.13076 2014 1 29 56686 0.0053 0.3549 -0.13190 2014 1 30 56687 0.0052 0.3565 -0.13317 2014 1 31 56688 0.0052 0.3580 -0.13462 2014 2 1 56689 0.0051 0.3595 -0.13622 2014 2 2 56690 0.0051 0.3611 -0.13791 2014 2 3 56691 0.0051 0.3626 -0.13961 2014 2 4 56692 0.0052 0.3642 -0.14122 2014 2 5 56693 0.0053 0.3657 -0.14270 2014 2 6 56694 0.0054 0.3673 -0.14401 2014 2 7 56695 0.0055 0.3688 -0.14517 2014 2 8 56696 0.0057 0.3704 -0.14620 2014 2 9 56697 0.0059 0.3719 -0.14715 2014 2 10 56698 0.0061 0.3735 -0.14804 2014 2 11 56699 0.0064 0.3750 -0.14893 2014 2 12 56700 0.0066 0.3766 -0.14987 2014 2 13 56701 0.0070 0.3782 -0.15088 2014 2 14 56702 0.0073 0.3797 -0.15199 2014 2 15 56703 0.0077 0.3813 -0.15321 2014 2 16 56704 0.0081 0.3828 -0.15454 2014 2 17 56705 0.0085 0.3844 -0.15595 2014 2 18 56706 0.0090 0.3859 -0.15742 2014 2 19 56707 0.0095 0.3874 -0.15891 2014 2 20 56708 0.0100 0.3890 -0.16038 2014 2 21 56709 0.0106 0.3905 -0.16180 2014 2 22 56710 0.0112 0.3920 -0.16316 2014 2 23 56711 0.0118 0.3935 -0.16447 2014 2 24 56712 0.0124 0.3951 -0.16577 2014 2 25 56713 0.0131 0.3966 -0.16711 2014 2 26 56714 0.0138 0.3981 -0.16856 2014 2 27 56715 0.0146 0.3996 -0.17017 2014 2 28 56716 0.0153 0.4010 -0.17196 2014 3 1 56717 0.0161 0.4025 -0.17390 2014 3 2 56718 0.0170 0.4040 -0.17592 2014 3 3 56719 0.0178 0.4054 -0.17791 2014 3 4 56720 0.0187 0.4069 -0.17979 2014 3 5 56721 0.0196 0.4083 -0.18153 2014 3 6 56722 0.0206 0.4097 -0.18309 2014 3 7 56723 0.0215 0.4111 -0.18450 2014 3 8 56724 0.0225 0.4125 -0.18580 2014 3 9 56725 0.0236 0.4139 -0.18703 2014 3 10 56726 0.0246 0.4153 -0.18822 2014 3 11 56727 0.0257 0.4166 -0.18944 2014 3 12 56728 0.0268 0.4180 -0.19071 2014 3 13 56729 0.0280 0.4193 -0.19207 2014 3 14 56730 0.0291 0.4206 -0.19353 2014 3 15 56731 0.0303 0.4219 -0.19509 2014 3 16 56732 0.0316 0.4232 -0.19675 2014 3 17 56733 0.0328 0.4245 -0.19847 2014 3 18 56734 0.0341 0.4257 -0.20021 2014 3 19 56735 0.0354 0.4270 -0.20194 2014 3 20 56736 0.0367 0.4282 -0.20362 2014 3 21 56737 0.0381 0.4294 -0.20522 2014 3 22 56738 0.0395 0.4306 -0.20674 2014 3 23 56739 0.0409 0.4317 -0.20822 2014 3 24 56740 0.0423 0.4328 -0.20971 2014 3 25 56741 0.0437 0.4340 -0.21126 2014 3 26 56742 0.0452 0.4351 -0.21294 2014 3 27 56743 0.0467 0.4361 -0.21478 2014 3 28 56744 0.0483 0.4372 -0.21676 2014 3 29 56745 0.0498 0.4382 -0.21886 2014 3 30 56746 0.0514 0.4392 -0.22099 2014 3 31 56747 0.0530 0.4402 -0.22306 2014 4 1 56748 0.0546 0.4412 -0.22500 2014 4 2 56749 0.0562 0.4421 -0.22678 2014 4 3 56750 0.0579 0.4431 -0.22840 2014 4 4 56751 0.0596 0.4440 -0.22988 2014 4 5 56752 0.0613 0.4448 -0.23126 2014 4 6 56753 0.0630 0.4457 -0.23259 2014 4 7 56754 0.0647 0.4465 -0.23390 2014 4 8 56755 0.0665 0.4473 -0.23526 2014 4 9 56756 0.0683 0.4481 -0.23667 2014 4 10 56757 0.0701 0.4488 -0.23818 2014 4 11 56758 0.0719 0.4495 -0.23979 2014 4 12 56759 0.0737 0.4502 -0.24148 2014 4 13 56760 0.0756 0.4509 -0.24325 2014 4 14 56761 0.0774 0.4515 -0.24507 2014 4 15 56762 0.0793 0.4521 -0.24688 2014 4 16 56763 0.0812 0.4527 -0.24865 2014 4 17 56764 0.0831 0.4533 -0.25036 2014 4 18 56765 0.0850 0.4538 -0.25197 2014 4 19 56766 0.0870 0.4543 -0.25352 2014 4 20 56767 0.0889 0.4548 -0.25505 2014 4 21 56768 0.0909 0.4552 -0.25660 2014 4 22 56769 0.0929 0.4556 -0.25823 2014 4 23 56770 0.0949 0.4560 -0.25997 2014 4 24 56771 0.0969 0.4563 -0.26181 2014 4 25 56772 0.0989 0.4567 -0.26373 2014 4 26 56773 0.1009 0.4569 -0.26567 2014 4 27 56774 0.1030 0.4572 -0.26755 2014 4 28 56775 0.1050 0.4574 -0.26932 2014 4 29 56776 0.1071 0.4576 -0.27091 2014 4 30 56777 0.1091 0.4578 -0.27232 2014 5 1 56778 0.1112 0.4579 -0.27358 2014 5 2 56779 0.1133 0.4580 -0.27471 2014 5 3 56780 0.1153 0.4581 -0.27576 2014 5 4 56781 0.1174 0.4581 -0.27679 2014 5 5 56782 0.1195 0.4581 -0.27784 2014 5 6 56783 0.1216 0.4581 -0.27894 2014 5 7 56784 0.1237 0.4580 -0.28011 2014 5 8 56785 0.1258 0.4580 -0.28137 2014 5 9 56786 0.1279 0.4578 -0.28270 2014 5 10 56787 0.1301 0.4577 -0.28408 2014 5 11 56788 0.1322 0.4575 -0.28547 2014 5 12 56789 0.1343 0.4573 -0.28683 2014 5 13 56790 0.1364 0.4570 -0.28811 2014 5 14 56791 0.1385 0.4567 -0.28929 2014 5 15 56792 0.1406 0.4564 -0.29036 2014 5 16 56793 0.1427 0.4560 -0.29133 2014 5 17 56794 0.1449 0.4556 -0.29227 2014 5 18 56795 0.1470 0.4552 -0.29324 2014 5 19 56796 0.1491 0.4548 -0.29429 2014 5 20 56797 0.1512 0.4543 -0.29548 2014 5 21 56798 0.1533 0.4538 -0.29679 2014 5 22 56799 0.1554 0.4532 -0.29819 2014 5 23 56800 0.1575 0.4526 -0.29959 2014 5 24 56801 0.1596 0.4520 -0.30096 2014 5 25 56802 0.1616 0.4514 -0.30224 2014 5 26 56803 0.1637 0.4507 -0.30338 2014 5 27 56804 0.1658 0.4500 -0.30434 2014 5 28 56805 0.1678 0.4492 -0.30518 2014 5 29 56806 0.1699 0.4484 -0.30594 2014 5 30 56807 0.1719 0.4476 -0.30661 2014 5 31 56808 0.1739 0.4468 -0.30728 2014 6 1 56809 0.1759 0.4459 -0.30794 2014 6 2 56810 0.1779 0.4450 -0.30861 2014 6 3 56811 0.1799 0.4440 -0.30929 2014 6 4 56812 0.1819 0.4430 -0.30996 2014 6 5 56813 0.1839 0.4420 -0.31065 2014 6 6 56814 0.1858 0.4410 -0.31144 2014 6 7 56815 0.1878 0.4399 -0.31224 2014 6 8 56816 0.1897 0.4388 -0.31305 2014 6 9 56817 0.1916 0.4377 -0.31382 2014 6 10 56818 0.1935 0.4365 -0.31451 2014 6 11 56819 0.1954 0.4353 -0.31509 2014 6 12 56820 0.1972 0.4341 -0.31559 2014 6 13 56821 0.1991 0.4328 -0.31601 2014 6 14 56822 0.2009 0.4316 -0.31635 2014 6 15 56823 0.2027 0.4302 -0.31667 2014 6 16 56824 0.2045 0.4289 -0.31705 2014 6 17 56825 0.2062 0.4275 -0.31748 2014 6 18 56826 0.2080 0.4261 -0.31802 2014 6 19 56827 0.2097 0.4247 -0.31858 2014 6 20 56828 0.2114 0.4232 -0.31909 2014 6 21 56829 0.2130 0.4217 -0.31946 2014 6 22 56830 0.2147 0.4202 -0.31974 2014 6 23 56831 0.2163 0.4187 -0.31994 2014 6 24 56832 0.2179 0.4171 -0.32005 2014 6 25 56833 0.2195 0.4155 -0.32006 2014 6 26 56834 0.2211 0.4139 -0.32001 2014 6 27 56835 0.2226 0.4122 -0.31991 2014 6 28 56836 0.2241 0.4106 -0.31979 2014 6 29 56837 0.2256 0.4089 -0.31966 2014 6 30 56838 0.2270 0.4071 -0.31959 2014 7 1 56839 0.2284 0.4054 -0.31962 2014 7 2 56840 0.2298 0.4036 -0.31972 2014 7 3 56841 0.2312 0.4018 -0.31991 2014 7 4 56842 0.2325 0.4000 -0.32022 2014 7 5 56843 0.2338 0.3982 -0.32064 2014 7 6 56844 0.2351 0.3963 -0.32116 2014 7 7 56845 0.2364 0.3944 -0.32166 2014 7 8 56846 0.2376 0.3925 -0.32220 2014 7 9 56847 0.2388 0.3906 -0.32274 2014 7 10 56848 0.2399 0.3886 -0.32325 2014 7 11 56849 0.2410 0.3867 -0.32376 2014 7 12 56850 0.2421 0.3847 -0.32440 2014 7 13 56851 0.2432 0.3827 -0.32516 2014 7 14 56852 0.2442 0.3806 -0.32603 2014 7 15 56853 0.2452 0.3786 -0.32697 2014 7 16 56854 0.2462 0.3765 -0.32794 2014 7 17 56855 0.2471 0.3744 -0.32884 2014 7 18 56856 0.2480 0.3723 -0.32963 2014 7 19 56857 0.2488 0.3702 -0.33020 2014 7 20 56858 0.2496 0.3681 -0.33059 2014 7 21 56859 0.2504 0.3659 -0.33084 2014 7 22 56860 0.2512 0.3638 -0.33098 2014 7 23 56861 0.2519 0.3616 -0.33099 2014 7 24 56862 0.2525 0.3594 -0.33087 2014 7 25 56863 0.2532 0.3572 -0.33073 2014 7 26 56864 0.2538 0.3550 -0.33058 2014 7 27 56865 0.2543 0.3528 -0.33043 2014 7 28 56866 0.2548 0.3506 -0.33030 2014 7 29 56867 0.2553 0.3483 -0.33025 2014 7 30 56868 0.2558 0.3461 -0.33032 2014 7 31 56869 0.2562 0.3438 -0.33047 2014 8 1 56870 0.2565 0.3415 -0.33064 2014 8 2 56871 0.2569 0.3392 -0.33081 2014 8 3 56872 0.2572 0.3369 -0.33096 2014 8 4 56873 0.2574 0.3347 -0.33106 2014 8 5 56874 0.2576 0.3324 -0.33113 2014 8 6 56875 0.2578 0.3300 -0.33118 2014 8 7 56876 0.2579 0.3277 -0.33121 2014 8 8 56877 0.2580 0.3254 -0.33125 2014 8 9 56878 0.2581 0.3231 -0.33144 2014 8 10 56879 0.2581 0.3208 -0.33179 2014 8 11 56880 0.2580 0.3184 -0.33230 2014 8 12 56881 0.2580 0.3161 -0.33294 2014 8 13 56882 0.2579 0.3138 -0.33365 2014 8 14 56883 0.2577 0.3114 -0.33425 2014 8 15 56884 0.2575 0.3091 -0.33465 2014 8 16 56885 0.2573 0.3068 -0.33491 2014 8 17 56886 0.2570 0.3044 -0.33505 2014 8 18 56887 0.2567 0.3021 -0.33510 2014 8 19 56888 0.2563 0.2998 -0.33506 2014 8 20 56889 0.2559 0.2975 -0.33497 2014 8 21 56890 0.2555 0.2951 -0.33490 2014 8 22 56891 0.2550 0.2928 -0.33488 2014 8 23 56892 0.2545 0.2905 -0.33494 2014 8 24 56893 0.2540 0.2882 -0.33511 2014 8 25 56894 0.2534 0.2859 -0.33539 2014 8 26 56895 0.2527 0.2836 -0.33577 2014 8 27 56896 0.2520 0.2813 -0.33622 2014 8 28 56897 0.2513 0.2790 -0.33669 2014 8 29 56898 0.2505 0.2768 -0.33721 2014 8 30 56899 0.2497 0.2745 -0.33779 2014 8 31 56900 0.2489 0.2722 -0.33840 2014 9 1 56901 0.2480 0.2700 -0.33901 2014 9 2 56902 0.2471 0.2678 -0.33962 2014 9 3 56903 0.2461 0.2656 -0.34028 2014 9 4 56904 0.2451 0.2634 -0.34097 2014 9 5 56905 0.2441 0.2612 -0.34173 2014 9 6 56906 0.2430 0.2590 -0.34267 2014 9 7 56907 0.2419 0.2568 -0.34380 2014 9 8 56908 0.2407 0.2547 -0.34513 2014 9 9 56909 0.2395 0.2525 -0.34662 2014 9 10 56910 0.2383 0.2504 -0.34815 2014 9 11 56911 0.2370 0.2483 -0.34967 2014 9 12 56912 0.2357 0.2462 -0.35109 2014 9 13 56913 0.2343 0.2442 -0.35235 2014 9 14 56914 0.2329 0.2421 -0.35346 2014 9 15 56915 0.2315 0.2401 -0.35445 2014 9 16 56916 0.2300 0.2381 -0.35538 2014 9 17 56917 0.2285 0.2361 -0.35625 2014 9 18 56918 0.2270 0.2342 -0.35703 2014 9 19 56919 0.2254 0.2322 -0.35779 2014 9 20 56920 0.2238 0.2303 -0.35861 2014 9 21 56921 0.2222 0.2284 -0.35946 2014 9 22 56922 0.2205 0.2265 -0.36033 2014 9 23 56923 0.2188 0.2247 -0.36123 2014 9 24 56924 0.2170 0.2229 -0.36210 2014 9 25 56925 0.2152 0.2211 -0.36292 2014 9 26 56926 0.2134 0.2193 -0.36375 2014 9 27 56927 0.2116 0.2175 -0.36463 2014 9 28 56928 0.2097 0.2158 -0.36549 2014 9 29 56929 0.2078 0.2141 -0.36629 2014 9 30 56930 0.2058 0.2124 -0.36712 2014 10 1 56931 0.2039 0.2108 -0.36795 2014 10 2 56932 0.2018 0.2092 -0.36880 2014 10 3 56933 0.1998 0.2076 -0.36974 2014 10 4 56934 0.1977 0.2061 -0.37085 2014 10 5 56935 0.1956 0.2046 -0.37212 2014 10 6 56936 0.1935 0.2031 -0.37354 2014 10 7 56937 0.1914 0.2016 -0.37501 2014 10 8 56938 0.1892 0.2002 -0.37647 2014 10 9 56939 0.1870 0.1988 -0.37785 2014 10 10 56940 0.1847 0.1974 -0.37906 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) 56549 -88.85 0.16 -12.64 0.12 56550 -88.90 0.16 -12.79 0.12 56551 -88.96 0.26 -12.78 0.15 56552 -89.05 0.46 -12.59 0.22 56553 -89.09 0.33 -12.35 0.18 56554 -89.01 0.33 -12.24 0.18 56555 -88.88 0.33 -12.34 0.18 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56549 -0.287 0.064 0.403 0.120 56550 -0.281 0.064 0.416 0.120 56551 -0.274 0.103 0.391 0.150 56552 -0.277 0.183 0.328 0.220 56553 -0.283 0.131 0.255 0.180 56554 -0.282 0.131 0.195 0.180 56555 -0.274 0.131 0.125 0.180 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).