********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 5 September 2013 Vol. XXVI No. 036 ______________________________________________________________________ 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 8 30 56534 0.16762 .00009 0.32705 .00009 0.038697 0.000019 13 8 31 56535 0.16669 .00010 0.32564 .00010 0.038471 0.000019 13 9 1 56536 0.16592 .00009 0.32410 .00010 0.038206 0.000024 13 9 2 56537 0.16557 .00009 0.32270 .00009 0.037834 0.000024 13 9 3 56538 0.16532 .00009 0.32147 .00010 0.037351 0.000024 13 9 4 56539 0.16488 .00009 0.32044 .00010 0.036756 0.000023 13 9 5 56540 0.16435 .00009 0.31948 .00009 0.036036 0.000024 IERS Final Values MJD x y UT1-UTC " " s 13 7 2 56475 0.1441 0.3901 0.05717 13 7 3 56476 0.1457 0.3895 0.05716 13 7 4 56477 0.1467 0.3887 0.05728 13 7 5 56478 0.1477 0.3875 0.05755 13 7 6 56479 0.1490 0.3862 0.05793 13 7 7 56480 0.1504 0.3849 0.05832 13 7 8 56481 0.1516 0.3835 0.05858 13 7 9 56482 0.1530 0.3822 0.05877 13 7 10 56483 0.1545 0.3811 0.05883 13 7 11 56484 0.1560 0.3807 0.05874 13 7 12 56485 0.1569 0.3806 0.05852 13 7 13 56486 0.1580 0.3800 0.05823 13 7 14 56487 0.1591 0.3794 0.05785 13 7 15 56488 0.1599 0.3782 0.05743 13 7 16 56489 0.1609 0.3772 0.05698 13 7 17 56490 0.1618 0.3762 0.05654 13 7 18 56491 0.1625 0.3754 0.05617 13 7 19 56492 0.1630 0.3747 0.05587 13 7 20 56493 0.1638 0.3738 0.05562 13 7 21 56494 0.1646 0.3731 0.05541 13 7 22 56495 0.1648 0.3718 0.05515 13 7 23 56496 0.1653 0.3703 0.05478 13 7 24 56497 0.1660 0.3690 0.05428 13 7 25 56498 0.1663 0.3679 0.05367 13 7 26 56499 0.1668 0.3667 0.05301 13 7 27 56500 0.1677 0.3655 0.05236 13 7 28 56501 0.1688 0.3647 0.05182 13 7 29 56502 0.1697 0.3640 0.05140 13 7 30 56503 0.1706 0.3629 0.05110 13 7 31 56504 0.1712 0.3617 0.05093 13 8 1 56505 0.1716 0.3608 0.05087 _______________________________________________________________________ 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 = 0.0969 + 0.1110 cos A - 0.0103 sin A - 0.0435 cos C - 0.0171 sin C y = 0.3457 - 0.0061 cos A - 0.1001 sin A - 0.0171 cos C + 0.0435 sin C UT1-UTC = -0.0052 - 0.00104 (MJD - 56548) - (UT2-UT1) where A = 2*pi*(MJD-56540)/365.25 and C = 2*pi*(MJD-56540)/435. TAI-UTC(MJD 56541) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56540)**0.80 S t = 0.00025 (MJD-56540)**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 9 6 56541 0.1638 0.3185 0.03517 2013 9 7 56542 0.1633 0.3175 0.03420 2013 9 8 56543 0.1628 0.3164 0.03322 2013 9 9 56544 0.1623 0.3153 0.03229 2013 9 10 56545 0.1618 0.3142 0.03144 2013 9 11 56546 0.1612 0.3131 0.03071 2013 9 12 56547 0.1607 0.3119 0.03008 2013 9 13 56548 0.1601 0.3108 0.02948 2013 9 14 56549 0.1596 0.3097 0.02884 2013 9 15 56550 0.1590 0.3086 0.02805 2013 9 16 56551 0.1584 0.3075 0.02707 2013 9 17 56552 0.1578 0.3065 0.02591 2013 9 18 56553 0.1571 0.3055 0.02462 2013 9 19 56554 0.1565 0.3044 0.02326 2013 9 20 56555 0.1558 0.3034 0.02191 2013 9 21 56556 0.1552 0.3024 0.02062 2013 9 22 56557 0.1545 0.3014 0.01947 2013 9 23 56558 0.1538 0.3004 0.01846 2013 9 24 56559 0.1530 0.2994 0.01758 2013 9 25 56560 0.1523 0.2984 0.01681 2013 9 26 56561 0.1515 0.2974 0.01608 2013 9 27 56562 0.1508 0.2964 0.01535 2013 9 28 56563 0.1499 0.2955 0.01458 2013 9 29 56564 0.1491 0.2946 0.01374 2013 9 30 56565 0.1483 0.2936 0.01278 2013 10 1 56566 0.1474 0.2927 0.01169 2013 10 2 56567 0.1465 0.2918 0.01045 2013 10 3 56568 0.1456 0.2909 0.00908 2013 10 4 56569 0.1447 0.2900 0.00760 2013 10 5 56570 0.1438 0.2892 0.00607 2013 10 6 56571 0.1428 0.2883 0.00455 2013 10 7 56572 0.1419 0.2875 0.00308 2013 10 8 56573 0.1409 0.2867 0.00171 2013 10 9 56574 0.1399 0.2859 0.00044 2013 10 10 56575 0.1388 0.2851 -0.00079 2013 10 11 56576 0.1378 0.2843 -0.00203 2013 10 12 56577 0.1367 0.2836 -0.00334 2013 10 13 56578 0.1356 0.2828 -0.00478 2013 10 14 56579 0.1345 0.2821 -0.00634 2013 10 15 56580 0.1334 0.2814 -0.00803 2013 10 16 56581 0.1323 0.2807 -0.00979 2013 10 17 56582 0.1311 0.2800 -0.01155 2013 10 18 56583 0.1300 0.2794 -0.01325 2013 10 19 56584 0.1288 0.2788 -0.01482 2013 10 20 56585 0.1276 0.2782 -0.01625 2013 10 21 56586 0.1264 0.2776 -0.01753 2013 10 22 56587 0.1252 0.2770 -0.01869 2013 10 23 56588 0.1239 0.2764 -0.01977 2013 10 24 56589 0.1227 0.2759 -0.02083 2013 10 25 56590 0.1214 0.2754 -0.02189 2013 10 26 56591 0.1201 0.2749 -0.02301 2013 10 27 56592 0.1188 0.2744 -0.02421 2013 10 28 56593 0.1175 0.2740 -0.02553 2013 10 29 56594 0.1162 0.2735 -0.02698 2013 10 30 56595 0.1149 0.2731 -0.02853 2013 10 31 56596 0.1136 0.2727 -0.03018 2013 11 1 56597 0.1122 0.2724 -0.03189 2013 11 2 56598 0.1108 0.2720 -0.03360 2013 11 3 56599 0.1095 0.2717 -0.03525 2013 11 4 56600 0.1081 0.2714 -0.03680 2013 11 5 56601 0.1067 0.2712 -0.03824 2013 11 6 56602 0.1053 0.2709 -0.03960 2013 11 7 56603 0.1039 0.2707 -0.04093 2013 11 8 56604 0.1025 0.2705 -0.04230 2013 11 9 56605 0.1011 0.2703 -0.04377 2013 11 10 56606 0.0996 0.2701 -0.04536 2013 11 11 56607 0.0982 0.2700 -0.04704 2013 11 12 56608 0.0968 0.2699 -0.04879 2013 11 13 56609 0.0953 0.2698 -0.05054 2013 11 14 56610 0.0939 0.2697 -0.05225 2013 11 15 56611 0.0924 0.2697 -0.05386 2013 11 16 56612 0.0910 0.2697 -0.05533 2013 11 17 56613 0.0895 0.2697 -0.05667 2013 11 18 56614 0.0880 0.2697 -0.05787 2013 11 19 56615 0.0866 0.2698 -0.05897 2013 11 20 56616 0.0851 0.2699 -0.06001 2013 11 21 56617 0.0836 0.2700 -0.06103 2013 11 22 56618 0.0821 0.2701 -0.06207 2013 11 23 56619 0.0807 0.2703 -0.06317 2013 11 24 56620 0.0792 0.2705 -0.06435 2013 11 25 56621 0.0777 0.2707 -0.06563 2013 11 26 56622 0.0763 0.2709 -0.06702 2013 11 27 56623 0.0748 0.2712 -0.06849 2013 11 28 56624 0.0733 0.2715 -0.07002 2013 11 29 56625 0.0719 0.2718 -0.07158 2013 11 30 56626 0.0704 0.2721 -0.07312 2013 12 1 56627 0.0689 0.2725 -0.07459 2013 12 2 56628 0.0675 0.2729 -0.07597 2013 12 3 56629 0.0660 0.2733 -0.07727 2013 12 4 56630 0.0646 0.2737 -0.07852 2013 12 5 56631 0.0631 0.2742 -0.07979 2013 12 6 56632 0.0617 0.2746 -0.08113 2013 12 7 56633 0.0603 0.2752 -0.08259 2013 12 8 56634 0.0589 0.2757 -0.08415 2013 12 9 56635 0.0574 0.2762 -0.08575 2013 12 10 56636 0.0560 0.2768 -0.08735 2013 12 11 56637 0.0546 0.2774 -0.08887 2013 12 12 56638 0.0533 0.2781 -0.09029 2013 12 13 56639 0.0519 0.2787 -0.09157 2013 12 14 56640 0.0505 0.2794 -0.09270 2013 12 15 56641 0.0491 0.2801 -0.09370 2013 12 16 56642 0.0478 0.2808 -0.09459 2013 12 17 56643 0.0465 0.2816 -0.09541 2013 12 18 56644 0.0451 0.2823 -0.09619 2013 12 19 56645 0.0438 0.2831 -0.09700 2013 12 20 56646 0.0425 0.2839 -0.09785 2013 12 21 56647 0.0412 0.2848 -0.09877 2013 12 22 56648 0.0400 0.2856 -0.09979 2013 12 23 56649 0.0387 0.2865 -0.10089 2013 12 24 56650 0.0375 0.2874 -0.10208 2013 12 25 56651 0.0362 0.2884 -0.10334 2013 12 26 56652 0.0350 0.2893 -0.10463 2013 12 27 56653 0.0338 0.2903 -0.10593 2013 12 28 56654 0.0326 0.2913 -0.10718 2013 12 29 56655 0.0315 0.2923 -0.10837 2013 12 30 56656 0.0303 0.2933 -0.10949 2013 12 31 56657 0.0292 0.2944 -0.11056 2014 1 1 56658 0.0281 0.2955 -0.11164 2014 1 2 56659 0.0270 0.2966 -0.11279 2014 1 3 56660 0.0259 0.2977 -0.11407 2014 1 4 56661 0.0249 0.2988 -0.11549 2014 1 5 56662 0.0238 0.2999 -0.11700 2014 1 6 56663 0.0228 0.3011 -0.11853 2014 1 7 56664 0.0218 0.3023 -0.12001 2014 1 8 56665 0.0209 0.3035 -0.12138 2014 1 9 56666 0.0199 0.3047 -0.12260 2014 1 10 56667 0.0190 0.3060 -0.12367 2014 1 11 56668 0.0181 0.3072 -0.12459 2014 1 12 56669 0.0172 0.3085 -0.12540 2014 1 13 56670 0.0163 0.3098 -0.12613 2014 1 14 56671 0.0155 0.3111 -0.12683 2014 1 15 56672 0.0147 0.3124 -0.12753 2014 1 16 56673 0.0139 0.3138 -0.12828 2014 1 17 56674 0.0131 0.3151 -0.12911 2014 1 18 56675 0.0124 0.3165 -0.13004 2014 1 19 56676 0.0117 0.3179 -0.13107 2014 1 20 56677 0.0110 0.3193 -0.13219 2014 1 21 56678 0.0103 0.3207 -0.13339 2014 1 22 56679 0.0097 0.3221 -0.13464 2014 1 23 56680 0.0091 0.3235 -0.13590 2014 1 24 56681 0.0085 0.3250 -0.13714 2014 1 25 56682 0.0079 0.3264 -0.13833 2014 1 26 56683 0.0074 0.3279 -0.13947 2014 1 27 56684 0.0069 0.3294 -0.14056 2014 1 28 56685 0.0064 0.3309 -0.14166 2014 1 29 56686 0.0060 0.3324 -0.14283 2014 1 30 56687 0.0055 0.3339 -0.14413 2014 1 31 56688 0.0052 0.3354 -0.14560 2014 2 1 56689 0.0048 0.3369 -0.14723 2014 2 2 56690 0.0044 0.3385 -0.14894 2014 2 3 56691 0.0041 0.3400 -0.15066 2014 2 4 56692 0.0039 0.3415 -0.15230 2014 2 5 56693 0.0036 0.3431 -0.15379 2014 2 6 56694 0.0034 0.3447 -0.15513 2014 2 7 56695 0.0032 0.3462 -0.15630 2014 2 8 56696 0.0030 0.3478 -0.15735 2014 2 9 56697 0.0029 0.3494 -0.15831 2014 2 10 56698 0.0028 0.3510 -0.15921 2014 2 11 56699 0.0027 0.3526 -0.16012 2014 2 12 56700 0.0027 0.3541 -0.16106 2014 2 13 56701 0.0027 0.3557 -0.16208 2014 2 14 56702 0.0027 0.3573 -0.16320 2014 2 15 56703 0.0028 0.3589 -0.16442 2014 2 16 56704 0.0028 0.3605 -0.16575 2014 2 17 56705 0.0030 0.3621 -0.16716 2014 2 18 56706 0.0031 0.3637 -0.16863 2014 2 19 56707 0.0033 0.3653 -0.17011 2014 2 20 56708 0.0035 0.3669 -0.17158 2014 2 21 56709 0.0037 0.3685 -0.17299 2014 2 22 56710 0.0040 0.3701 -0.17434 2014 2 23 56711 0.0043 0.3717 -0.17564 2014 2 24 56712 0.0046 0.3733 -0.17692 2014 2 25 56713 0.0050 0.3749 -0.17825 2014 2 26 56714 0.0054 0.3765 -0.17969 2014 2 27 56715 0.0058 0.3781 -0.18129 2014 2 28 56716 0.0062 0.3796 -0.18306 2014 3 1 56717 0.0067 0.3812 -0.18499 2014 3 2 56718 0.0072 0.3828 -0.18700 2014 3 3 56719 0.0078 0.3843 -0.18898 2014 3 4 56720 0.0084 0.3859 -0.19087 2014 3 5 56721 0.0090 0.3874 -0.19260 2014 3 6 56722 0.0096 0.3890 -0.19418 2014 3 7 56723 0.0103 0.3905 -0.19562 2014 3 8 56724 0.0110 0.3920 -0.19694 2014 3 9 56725 0.0117 0.3935 -0.19821 2014 3 10 56726 0.0125 0.3950 -0.19946 2014 3 11 56727 0.0133 0.3965 -0.20074 2014 3 12 56728 0.0141 0.3980 -0.20209 2014 3 13 56729 0.0149 0.3995 -0.20354 2014 3 14 56730 0.0158 0.4009 -0.20509 2014 3 15 56731 0.0167 0.4024 -0.20674 2014 3 16 56732 0.0177 0.4038 -0.20847 2014 3 17 56733 0.0186 0.4052 -0.21025 2014 3 18 56734 0.0196 0.4066 -0.21205 2014 3 19 56735 0.0206 0.4080 -0.21383 2014 3 20 56736 0.0217 0.4094 -0.21556 2014 3 21 56737 0.0228 0.4108 -0.21722 2014 3 22 56738 0.0239 0.4121 -0.21881 2014 3 23 56739 0.0250 0.4135 -0.22036 2014 3 24 56740 0.0262 0.4148 -0.22191 2014 3 25 56741 0.0274 0.4161 -0.22354 2014 3 26 56742 0.0286 0.4174 -0.22530 2014 3 27 56743 0.0298 0.4186 -0.22721 2014 3 28 56744 0.0311 0.4199 -0.22928 2014 3 29 56745 0.0324 0.4211 -0.23144 2014 3 30 56746 0.0337 0.4223 -0.23362 2014 3 31 56747 0.0351 0.4235 -0.23571 2014 4 1 56748 0.0364 0.4247 -0.23764 2014 4 2 56749 0.0378 0.4258 -0.23937 2014 4 3 56750 0.0393 0.4269 -0.24090 2014 4 4 56751 0.0407 0.4280 -0.24225 2014 4 5 56752 0.0422 0.4291 -0.24346 2014 4 6 56753 0.0437 0.4302 -0.24456 2014 4 7 56754 0.0452 0.4312 -0.24561 2014 4 8 56755 0.0467 0.4323 -0.24663 2014 4 9 56756 0.0483 0.4333 -0.24769 2014 4 10 56757 0.0499 0.4342 -0.24881 2014 4 11 56758 0.0515 0.4352 -0.25002 2014 4 12 56759 0.0531 0.4361 -0.25129 2014 4 13 56760 0.0547 0.4370 -0.25265 2014 4 14 56761 0.0564 0.4379 -0.25411 2014 4 15 56762 0.0581 0.4387 -0.25563 2014 4 16 56763 0.0598 0.4396 -0.25714 2014 4 17 56764 0.0615 0.4404 -0.25861 2014 4 18 56765 0.0632 0.4411 -0.26000 2014 4 19 56766 0.0650 0.4419 -0.26130 2014 4 20 56767 0.0668 0.4426 -0.26255 2014 4 21 56768 0.0686 0.4433 -0.26383 2014 4 22 56769 0.0704 0.4440 -0.26522 2014 4 23 56770 0.0722 0.4446 -0.26673 2014 4 24 56771 0.0740 0.4452 -0.26837 2014 4 25 56772 0.0759 0.4458 -0.27018 2014 4 26 56773 0.0778 0.4463 -0.27211 2014 4 27 56774 0.0796 0.4469 -0.27412 2014 4 28 56775 0.0815 0.4474 -0.27603 2014 4 29 56776 0.0835 0.4478 -0.27788 2014 4 30 56777 0.0854 0.4483 -0.27963 2014 5 1 56778 0.0873 0.4487 -0.28123 2014 5 2 56779 0.0892 0.4490 -0.28270 2014 5 3 56780 0.0912 0.4494 -0.28418 2014 5 4 56781 0.0932 0.4497 -0.28563 2014 5 5 56782 0.0951 0.4500 -0.28705 2014 5 6 56783 0.0971 0.4502 -0.28843 2014 5 7 56784 0.0991 0.4505 -0.28982 2014 5 8 56785 0.1011 0.4507 -0.29122 2014 5 9 56786 0.1031 0.4508 -0.29265 2014 5 10 56787 0.1051 0.4509 -0.29407 2014 5 11 56788 0.1072 0.4510 -0.29550 2014 5 12 56789 0.1092 0.4511 -0.29695 2014 5 13 56790 0.1112 0.4511 -0.29839 2014 5 14 56791 0.1133 0.4512 -0.29972 2014 5 15 56792 0.1153 0.4511 -0.30089 2014 5 16 56793 0.1173 0.4511 -0.30196 2014 5 17 56794 0.1194 0.4510 -0.30294 2014 5 18 56795 0.1214 0.4508 -0.30385 2014 5 19 56796 0.1235 0.4507 -0.30478 2014 5 20 56797 0.1255 0.4505 -0.30578 2014 5 21 56798 0.1276 0.4503 -0.30692 2014 5 22 56799 0.1296 0.4500 -0.30815 2014 5 23 56800 0.1317 0.4497 -0.30938 2014 5 24 56801 0.1337 0.4494 -0.31057 2014 5 25 56802 0.1358 0.4491 -0.31165 2014 5 26 56803 0.1378 0.4487 -0.31258 2014 5 27 56804 0.1398 0.4483 -0.31335 2014 5 28 56805 0.1419 0.4478 -0.31398 2014 5 29 56806 0.1439 0.4473 -0.31446 2014 5 30 56807 0.1459 0.4468 -0.31480 2014 5 31 56808 0.1480 0.4463 -0.31512 2014 6 1 56809 0.1500 0.4457 -0.31543 2014 6 2 56810 0.1520 0.4451 -0.31573 2014 6 3 56811 0.1540 0.4445 -0.31608 2014 6 4 56812 0.1560 0.4438 -0.31646 2014 6 5 56813 0.1580 0.4431 -0.31684 2014 6 6 56814 0.1599 0.4423 -0.31718 2014 6 7 56815 0.1619 0.4416 -0.31757 2014 6 8 56816 0.1638 0.4408 -0.31803 2014 6 9 56817 0.1658 0.4399 -0.31852 2014 6 10 56818 0.1677 0.4391 -0.31898 2014 6 11 56819 0.1696 0.4382 -0.31937 2014 6 12 56820 0.1715 0.4373 -0.31972 2014 6 13 56821 0.1734 0.4363 -0.32003 2014 6 14 56822 0.1753 0.4353 -0.32035 2014 6 15 56823 0.1772 0.4343 -0.32075 2014 6 16 56824 0.1790 0.4333 -0.32126 2014 6 17 56825 0.1809 0.4322 -0.32189 2014 6 18 56826 0.1827 0.4311 -0.32260 2014 6 19 56827 0.1845 0.4300 -0.32330 2014 6 20 56828 0.1862 0.4288 -0.32398 2014 6 21 56829 0.1880 0.4276 -0.32463 2014 6 22 56830 0.1898 0.4264 -0.32520 2014 6 23 56831 0.1915 0.4251 -0.32566 2014 6 24 56832 0.1932 0.4239 -0.32600 2014 6 25 56833 0.1949 0.4225 -0.32625 2014 6 26 56834 0.1965 0.4212 -0.32641 2014 6 27 56835 0.1982 0.4199 -0.32648 2014 6 28 56836 0.1998 0.4185 -0.32657 2014 6 29 56837 0.2014 0.4171 -0.32668 2014 6 30 56838 0.2030 0.4156 -0.32685 2014 7 1 56839 0.2045 0.4141 -0.32710 2014 7 2 56840 0.2061 0.4127 -0.32742 2014 7 3 56841 0.2076 0.4111 -0.32782 2014 7 4 56842 0.2090 0.4096 -0.32832 2014 7 5 56843 0.2105 0.4080 -0.32885 2014 7 6 56844 0.2119 0.4064 -0.32939 2014 7 7 56845 0.2133 0.4048 -0.32992 2014 7 8 56846 0.2147 0.4032 -0.33041 2014 7 9 56847 0.2160 0.4015 -0.33082 2014 7 10 56848 0.2174 0.3999 -0.33109 2014 7 11 56849 0.2187 0.3982 -0.33128 2014 7 12 56850 0.2199 0.3964 -0.33150 2014 7 13 56851 0.2212 0.3947 -0.33177 2014 7 14 56852 0.2224 0.3929 -0.33211 2014 7 15 56853 0.2235 0.3911 -0.33254 2014 7 16 56854 0.2247 0.3893 -0.33295 2014 7 17 56855 0.2258 0.3875 -0.33327 2014 7 18 56856 0.2269 0.3856 -0.33353 2014 7 19 56857 0.2279 0.3838 -0.33373 2014 7 20 56858 0.2289 0.3819 -0.33379 2014 7 21 56859 0.2299 0.3800 -0.33370 2014 7 22 56860 0.2309 0.3781 -0.33352 2014 7 23 56861 0.2318 0.3762 -0.33325 2014 7 24 56862 0.2327 0.3742 -0.33288 2014 7 25 56863 0.2336 0.3722 -0.33247 2014 7 26 56864 0.2344 0.3703 -0.33211 2014 7 27 56865 0.2352 0.3683 -0.33177 2014 7 28 56866 0.2359 0.3663 -0.33150 2014 7 29 56867 0.2366 0.3642 -0.33127 2014 7 30 56868 0.2373 0.3622 -0.33110 2014 7 31 56869 0.2380 0.3602 -0.33098 2014 8 1 56870 0.2386 0.3581 -0.33089 2014 8 2 56871 0.2391 0.3560 -0.33077 2014 8 3 56872 0.2397 0.3540 -0.33060 2014 8 4 56873 0.2402 0.3519 -0.33037 2014 8 5 56874 0.2406 0.3498 -0.33007 2014 8 6 56875 0.2411 0.3477 -0.32977 2014 8 7 56876 0.2415 0.3455 -0.32947 2014 8 8 56877 0.2418 0.3434 -0.32927 2014 8 9 56878 0.2421 0.3413 -0.32925 2014 8 10 56879 0.2424 0.3392 -0.32941 2014 8 11 56880 0.2427 0.3370 -0.32979 2014 8 12 56881 0.2429 0.3349 -0.33034 2014 8 13 56882 0.2430 0.3327 -0.33096 2014 8 14 56883 0.2432 0.3306 -0.33158 2014 8 15 56884 0.2432 0.3284 -0.33208 2014 8 16 56885 0.2433 0.3262 -0.33245 2014 8 17 56886 0.2433 0.3241 -0.33268 2014 8 18 56887 0.2433 0.3219 -0.33275 2014 8 19 56888 0.2432 0.3197 -0.33270 2014 8 20 56889 0.2431 0.3176 -0.33255 2014 8 21 56890 0.2430 0.3154 -0.33238 2014 8 22 56891 0.2428 0.3132 -0.33225 2014 8 23 56892 0.2426 0.3111 -0.33221 2014 8 24 56893 0.2423 0.3089 -0.33226 2014 8 25 56894 0.2420 0.3067 -0.33242 2014 8 26 56895 0.2417 0.3046 -0.33276 2014 8 27 56896 0.2413 0.3024 -0.33325 2014 8 28 56897 0.2409 0.3003 -0.33386 2014 8 29 56898 0.2404 0.2981 -0.33451 2014 8 30 56899 0.2399 0.2960 -0.33519 2014 8 31 56900 0.2394 0.2938 -0.33580 2014 9 1 56901 0.2388 0.2917 -0.33628 2014 9 2 56902 0.2382 0.2896 -0.33668 2014 9 3 56903 0.2375 0.2875 -0.33705 2014 9 4 56904 0.2368 0.2854 -0.33744 2014 9 5 56905 0.2361 0.2833 -0.33791 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) 56519 -87.47 0.13 -12.96 0.08 56520 -87.72 0.13 -13.20 0.08 56521 -87.79 0.19 -13.56 0.11 56522 -87.78 0.30 -13.81 0.04 56523 -87.84 0.30 -13.80 0.04 56524 -88.01 0.30 -13.54 0.04 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 56475 -81.0 -13.3 56476 -81.2 -13.4 56477 -81.6 -13.4 56478 -82.2 -13.5 56479 -82.5 -13.6 56480 -82.5 -13.7 56481 -82.2 -13.6 56482 -82.1 -13.4 56483 -82.2 -13.3 56484 -82.4 -13.3 56485 -82.6 -13.4 56486 -82.7 -13.4 56487 -82.6 -13.4 56488 -82.5 -13.2 56489 -82.8 -13.1 56490 -83.4 -12.9 56491 -84.0 -12.8 56492 -84.3 -12.8 56493 -84.5 -13.1 56494 -84.4 -13.4 56495 -84.5 -13.4 56496 -84.7 -13.3 56497 -84.6 -13.1 56498 -84.4 -13.1 56499 -84.4 -13.1 56500 -84.8 -13.1 56501 -85.3 -13.1 56502 -85.6 -13.1 56503 -85.5 -13.2 56504 -85.5 -13.3 56505 -85.8 -13.3 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56519 -0.246 0.052 -0.223 0.080 56520 -0.239 0.052 -0.248 0.080 56521 -0.224 0.076 -0.277 0.110 56522 -0.209 0.119 -0.283 0.040 56523 -0.191 0.119 -0.313 0.040 56524 -0.181 0.119 -0.343 0.040 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 56475 0.00 -0.28 56476 -0.06 -0.29 56477 -0.07 -0.27 56478 -0.12 -0.33 56479 -0.12 -0.33 56480 -0.13 -0.36 56481 -0.09 -0.35 56482 -0.10 -0.33 56483 -0.11 -0.35 56484 -0.07 -0.31 56485 -0.04 -0.29 56486 -0.05 -0.24 56487 -0.07 -0.33 56488 -0.06 -0.28 56489 -0.07 -0.34 56490 -0.07 -0.28 56491 -0.07 -0.24 56492 -0.06 -0.13 56493 -0.12 -0.15 56494 -0.13 -0.18 56495 -0.17 -0.18 56496 -0.21 -0.29 56497 -0.13 -0.26 56498 -0.05 -0.25 56499 0.01 -0.18 56500 0.03 -0.18 56501 0.05 -0.23 56502 0.02 -0.20 56503 0.01 -0.18 56504 -0.04 -0.17 56505 -0.09 -0.13 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).