********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 15 August 2013 Vol. XXVI No. 033 ______________________________________________________________________ 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 = +0.1 seconds beginning 11 April 2013 at 0000 UTC = +0.0 seconds beginning 22 Aug 2013 at 0000 UTC Beginning 1 July 2012: TAI-UTC = 35.000 000 seconds *********************************************************************** * As of Bulletin A Vol. XXVI, No. 033, on 15 Aug 2013, we have * * updated the IAA VLBI solution systematic corrections. * * The effect appears to be less than 0.1 mas in polar motion * * and 10 us in UT1-UTC. * * * * 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 9 56513 0.17372 .00009 0.35284 .00009 0.049817 0.000014 13 8 10 56514 0.17391 .00009 0.35210 .00009 0.049329 0.000014 13 8 11 56515 0.17395 .00009 0.35122 .00009 0.048778 0.000013 13 8 12 56516 0.17379 .00009 0.35016 .00009 0.048252 0.000006 13 8 13 56517 0.17367 .00009 0.34895 .00009 0.047789 0.000005 13 8 14 56518 0.17370 .00009 0.34771 .00009 0.047395 0.000005 13 8 15 56519 0.17380 .00010 0.34639 .00009 0.047068 0.000004 _______________________________________________________________________ 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 = 0.0987 + 0.1068 cos A + 0.0377 sin A - 0.0321 cos C - 0.0356 sin C y = 0.3488 + 0.0362 cos A - 0.0950 sin A - 0.0356 cos C + 0.0321 sin C UT1-UTC = 0.0154 - 0.00103 (MJD - 56527) - (UT2-UT1) where A = 2*pi*(MJD-56519)/365.25 and C = 2*pi*(MJD-56519)/435. TAI-UTC(MJD 56520) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56519)**0.80 S t = 0.00025 (MJD-56519)**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 8 16 56520 0.1740 0.3451 0.04679 2013 8 17 56521 0.1741 0.3438 0.04651 2013 8 18 56522 0.1743 0.3425 0.04616 2013 8 19 56523 0.1745 0.3412 0.04568 2013 8 20 56524 0.1746 0.3400 0.04507 2013 8 21 56525 0.1747 0.3388 0.04432 2013 8 22 56526 0.1748 0.3376 0.04348 2013 8 23 56527 0.1749 0.3363 0.04263 2013 8 24 56528 0.1749 0.3351 0.04184 2013 8 25 56529 0.1750 0.3338 0.04116 2013 8 26 56530 0.1750 0.3325 0.04060 2013 8 27 56531 0.1750 0.3313 0.04016 2013 8 28 56532 0.1750 0.3300 0.03984 2013 8 29 56533 0.1750 0.3288 0.03959 2013 8 30 56534 0.1749 0.3275 0.03937 2013 8 31 56535 0.1748 0.3262 0.03913 2013 9 1 56536 0.1747 0.3250 0.03881 2013 9 2 56537 0.1745 0.3237 0.03837 2013 9 3 56538 0.1744 0.3224 0.03779 2013 9 4 56539 0.1742 0.3211 0.03705 2013 9 5 56540 0.1739 0.3198 0.03618 2013 9 6 56541 0.1737 0.3186 0.03518 2013 9 7 56542 0.1734 0.3173 0.03412 2013 9 8 56543 0.1731 0.3160 0.03304 2013 9 9 56544 0.1728 0.3147 0.03199 2013 9 10 56545 0.1725 0.3135 0.03101 2013 9 11 56546 0.1721 0.3122 0.03010 2013 9 12 56547 0.1717 0.3110 0.02926 2013 9 13 56548 0.1713 0.3097 0.02845 2013 9 14 56549 0.1708 0.3084 0.02759 2013 9 15 56550 0.1704 0.3072 0.02663 2013 9 16 56551 0.1699 0.3060 0.02553 2013 9 17 56552 0.1693 0.3047 0.02429 2013 9 18 56553 0.1688 0.3035 0.02293 2013 9 19 56554 0.1682 0.3023 0.02150 2013 9 20 56555 0.1676 0.3011 0.02009 2013 9 21 56556 0.1670 0.2999 0.01876 2013 9 22 56557 0.1663 0.2987 0.01755 2013 9 23 56558 0.1656 0.2975 0.01646 2013 9 24 56559 0.1649 0.2964 0.01550 2013 9 25 56560 0.1642 0.2952 0.01463 2013 9 26 56561 0.1634 0.2940 0.01382 2013 9 27 56562 0.1626 0.2929 0.01302 2013 9 28 56563 0.1618 0.2918 0.01218 2013 9 29 56564 0.1610 0.2907 0.01127 2013 9 30 56565 0.1601 0.2896 0.01025 2013 10 1 56566 0.1593 0.2885 0.00911 2013 10 2 56567 0.1584 0.2874 0.00784 2013 10 3 56568 0.1574 0.2864 0.00646 2013 10 4 56569 0.1565 0.2853 0.00499 2013 10 5 56570 0.1555 0.2843 0.00350 2013 10 6 56571 0.1545 0.2833 0.00201 2013 10 7 56572 0.1535 0.2823 0.00059 2013 10 8 56573 0.1524 0.2813 -0.00074 2013 10 9 56574 0.1514 0.2803 -0.00199 2013 10 10 56575 0.1503 0.2794 -0.00320 2013 10 11 56576 0.1492 0.2785 -0.00443 2013 10 12 56577 0.1481 0.2775 -0.00574 2013 10 13 56578 0.1469 0.2766 -0.00716 2013 10 14 56579 0.1457 0.2758 -0.00873 2013 10 15 56580 0.1446 0.2749 -0.01042 2013 10 16 56581 0.1433 0.2741 -0.01219 2013 10 17 56582 0.1421 0.2733 -0.01398 2013 10 18 56583 0.1409 0.2725 -0.01571 2013 10 19 56584 0.1396 0.2717 -0.01734 2013 10 20 56585 0.1383 0.2709 -0.01882 2013 10 21 56586 0.1370 0.2702 -0.02016 2013 10 22 56587 0.1357 0.2695 -0.02138 2013 10 23 56588 0.1344 0.2688 -0.02251 2013 10 24 56589 0.1330 0.2681 -0.02360 2013 10 25 56590 0.1317 0.2674 -0.02469 2013 10 26 56591 0.1303 0.2668 -0.02582 2013 10 27 56592 0.1289 0.2662 -0.02704 2013 10 28 56593 0.1275 0.2656 -0.02836 2013 10 29 56594 0.1260 0.2651 -0.02980 2013 10 30 56595 0.1246 0.2645 -0.03136 2013 10 31 56596 0.1232 0.2640 -0.03301 2013 11 1 56597 0.1217 0.2635 -0.03472 2013 11 2 56598 0.1202 0.2630 -0.03643 2013 11 3 56599 0.1187 0.2626 -0.03811 2013 11 4 56600 0.1172 0.2622 -0.03969 2013 11 5 56601 0.1157 0.2618 -0.04118 2013 11 6 56602 0.1142 0.2614 -0.04258 2013 11 7 56603 0.1126 0.2611 -0.04395 2013 11 8 56604 0.1111 0.2607 -0.04536 2013 11 9 56605 0.1095 0.2604 -0.04685 2013 11 10 56606 0.1080 0.2602 -0.04845 2013 11 11 56607 0.1064 0.2599 -0.05015 2013 11 12 56608 0.1048 0.2597 -0.05190 2013 11 13 56609 0.1032 0.2595 -0.05365 2013 11 14 56610 0.1017 0.2594 -0.05535 2013 11 15 56611 0.1001 0.2592 -0.05694 2013 11 16 56612 0.0985 0.2591 -0.05841 2013 11 17 56613 0.0968 0.2590 -0.05973 2013 11 18 56614 0.0952 0.2590 -0.06092 2013 11 19 56615 0.0936 0.2589 -0.06201 2013 11 20 56616 0.0920 0.2589 -0.06303 2013 11 21 56617 0.0904 0.2589 -0.06403 2013 11 22 56618 0.0887 0.2590 -0.06505 2013 11 23 56619 0.0871 0.2590 -0.06612 2013 11 24 56620 0.0855 0.2591 -0.06728 2013 11 25 56621 0.0839 0.2593 -0.06853 2013 11 26 56622 0.0822 0.2594 -0.06987 2013 11 27 56623 0.0806 0.2596 -0.07129 2013 11 28 56624 0.0790 0.2598 -0.07278 2013 11 29 56625 0.0773 0.2600 -0.07429 2013 11 30 56626 0.0757 0.2603 -0.07579 2013 12 1 56627 0.0741 0.2606 -0.07721 2013 12 2 56628 0.0725 0.2609 -0.07856 2013 12 3 56629 0.0708 0.2612 -0.07982 2013 12 4 56630 0.0692 0.2616 -0.08104 2013 12 5 56631 0.0676 0.2620 -0.08228 2013 12 6 56632 0.0660 0.2624 -0.08360 2013 12 7 56633 0.0644 0.2629 -0.08503 2013 12 8 56634 0.0628 0.2634 -0.08655 2013 12 9 56635 0.0612 0.2639 -0.08814 2013 12 10 56636 0.0596 0.2644 -0.08972 2013 12 11 56637 0.0581 0.2649 -0.09123 2013 12 12 56638 0.0565 0.2655 -0.09264 2013 12 13 56639 0.0550 0.2661 -0.09391 2013 12 14 56640 0.0534 0.2668 -0.09504 2013 12 15 56641 0.0519 0.2674 -0.09603 2013 12 16 56642 0.0503 0.2681 -0.09691 2013 12 17 56643 0.0488 0.2688 -0.09772 2013 12 18 56644 0.0473 0.2696 -0.09850 2013 12 19 56645 0.0458 0.2703 -0.09930 2013 12 20 56646 0.0443 0.2711 -0.10014 2013 12 21 56647 0.0429 0.2719 -0.10105 2013 12 22 56648 0.0414 0.2727 -0.10206 2013 12 23 56649 0.0400 0.2736 -0.10316 2013 12 24 56650 0.0385 0.2745 -0.10436 2013 12 25 56651 0.0371 0.2754 -0.10561 2013 12 26 56652 0.0357 0.2763 -0.10691 2013 12 27 56653 0.0344 0.2773 -0.10820 2013 12 28 56654 0.0330 0.2783 -0.10946 2013 12 29 56655 0.0316 0.2793 -0.11065 2013 12 30 56656 0.0303 0.2803 -0.11176 2013 12 31 56657 0.0290 0.2813 -0.11283 2014 1 1 56658 0.0277 0.2824 -0.11391 2014 1 2 56659 0.0264 0.2835 -0.11507 2014 1 3 56660 0.0252 0.2846 -0.11635 2014 1 4 56661 0.0239 0.2858 -0.11777 2014 1 5 56662 0.0227 0.2869 -0.11928 2014 1 6 56663 0.0215 0.2881 -0.12081 2014 1 7 56664 0.0203 0.2893 -0.12230 2014 1 8 56665 0.0192 0.2905 -0.12366 2014 1 9 56666 0.0180 0.2918 -0.12488 2014 1 10 56667 0.0169 0.2930 -0.12595 2014 1 11 56668 0.0158 0.2943 -0.12687 2014 1 12 56669 0.0148 0.2956 -0.12768 2014 1 13 56670 0.0137 0.2969 -0.12840 2014 1 14 56671 0.0127 0.2982 -0.12909 2014 1 15 56672 0.0117 0.2996 -0.12979 2014 1 16 56673 0.0107 0.3010 -0.13053 2014 1 17 56674 0.0098 0.3024 -0.13135 2014 1 18 56675 0.0089 0.3038 -0.13226 2014 1 19 56676 0.0080 0.3052 -0.13328 2014 1 20 56677 0.0071 0.3066 -0.13438 2014 1 21 56678 0.0063 0.3081 -0.13557 2014 1 22 56679 0.0055 0.3095 -0.13679 2014 1 23 56680 0.0047 0.3110 -0.13803 2014 1 24 56681 0.0039 0.3125 -0.13925 2014 1 25 56682 0.0032 0.3140 -0.14041 2014 1 26 56683 0.0025 0.3155 -0.14152 2014 1 27 56684 0.0018 0.3171 -0.14258 2014 1 28 56685 0.0011 0.3186 -0.14365 2014 1 29 56686 0.0005 0.3202 -0.14478 2014 1 30 56687 -0.0001 0.3217 -0.14605 2014 1 31 56688 -0.0007 0.3233 -0.14748 2014 2 1 56689 -0.0012 0.3249 -0.14907 2014 2 2 56690 -0.0017 0.3265 -0.15075 2014 2 3 56691 -0.0022 0.3281 -0.15244 2014 2 4 56692 -0.0026 0.3298 -0.15404 2014 2 5 56693 -0.0030 0.3314 -0.15551 2014 2 6 56694 -0.0034 0.3330 -0.15681 2014 2 7 56695 -0.0038 0.3347 -0.15797 2014 2 8 56696 -0.0041 0.3363 -0.15900 2014 2 9 56697 -0.0044 0.3380 -0.15994 2014 2 10 56698 -0.0046 0.3397 -0.16084 2014 2 11 56699 -0.0049 0.3413 -0.16174 2014 2 12 56700 -0.0051 0.3430 -0.16269 2014 2 13 56701 -0.0052 0.3447 -0.16373 2014 2 14 56702 -0.0054 0.3464 -0.16487 2014 2 15 56703 -0.0055 0.3481 -0.16614 2014 2 16 56704 -0.0055 0.3498 -0.16751 2014 2 17 56705 -0.0056 0.3515 -0.16899 2014 2 18 56706 -0.0056 0.3532 -0.17053 2014 2 19 56707 -0.0055 0.3549 -0.17208 2014 2 20 56708 -0.0055 0.3566 -0.17362 2014 2 21 56709 -0.0054 0.3583 -0.17509 2014 2 22 56710 -0.0052 0.3600 -0.17649 2014 2 23 56711 -0.0051 0.3617 -0.17780 2014 2 24 56712 -0.0049 0.3634 -0.17908 2014 2 25 56713 -0.0047 0.3651 -0.18038 2014 2 26 56714 -0.0044 0.3668 -0.18176 2014 2 27 56715 -0.0041 0.3685 -0.18328 2014 2 28 56716 -0.0038 0.3702 -0.18495 2014 3 1 56717 -0.0034 0.3719 -0.18675 2014 3 2 56718 -0.0030 0.3735 -0.18859 2014 3 3 56719 -0.0026 0.3752 -0.19037 2014 3 4 56720 -0.0022 0.3769 -0.19202 2014 3 5 56721 -0.0017 0.3786 -0.19349 2014 3 6 56722 -0.0012 0.3802 -0.19478 2014 3 7 56723 -0.0006 0.3819 -0.19591 2014 3 8 56724 0.0000 0.3835 -0.19694 2014 3 9 56725 0.0006 0.3852 -0.19793 2014 3 10 56726 0.0012 0.3868 -0.19893 2014 3 11 56727 0.0019 0.3885 -0.19998 2014 3 12 56728 0.0026 0.3901 -0.20112 2014 3 13 56729 0.0034 0.3917 -0.20239 2014 3 14 56730 0.0042 0.3933 -0.20380 2014 3 15 56731 0.0050 0.3949 -0.20536 2014 3 16 56732 0.0058 0.3964 -0.20708 2014 3 17 56733 0.0067 0.3980 -0.20894 2014 3 18 56734 0.0076 0.3995 -0.21089 2014 3 19 56735 0.0085 0.4011 -0.21289 2014 3 20 56736 0.0095 0.4026 -0.21488 2014 3 21 56737 0.0105 0.4041 -0.21683 2014 3 22 56738 0.0115 0.4056 -0.21874 2014 3 23 56739 0.0126 0.4071 -0.22062 2014 3 24 56740 0.0137 0.4086 -0.22249 2014 3 25 56741 0.0148 0.4100 -0.22437 2014 3 26 56742 0.0159 0.4114 -0.22632 2014 3 27 56743 0.0171 0.4129 -0.22835 2014 3 28 56744 0.0183 0.4143 -0.23049 2014 3 29 56745 0.0195 0.4156 -0.23266 2014 3 30 56746 0.0208 0.4170 -0.23484 2014 3 31 56747 0.0221 0.4183 -0.23697 2014 4 1 56748 0.0234 0.4197 -0.23900 2014 4 2 56749 0.0247 0.4210 -0.24083 2014 4 3 56750 0.0261 0.4223 -0.24244 2014 4 4 56751 0.0275 0.4235 -0.24388 2014 4 5 56752 0.0289 0.4248 -0.24519 2014 4 6 56753 0.0304 0.4260 -0.24637 2014 4 7 56754 0.0318 0.4272 -0.24750 2014 4 8 56755 0.0333 0.4284 -0.24864 2014 4 9 56756 0.0348 0.4295 -0.24988 2014 4 10 56757 0.0364 0.4307 -0.25122 2014 4 11 56758 0.0380 0.4318 -0.25262 2014 4 12 56759 0.0396 0.4329 -0.25411 2014 4 13 56760 0.0412 0.4339 -0.25564 2014 4 14 56761 0.0428 0.4350 -0.25719 2014 4 15 56762 0.0445 0.4360 -0.25874 2014 4 16 56763 0.0462 0.4370 -0.26026 2014 4 17 56764 0.0479 0.4379 -0.26169 2014 4 18 56765 0.0496 0.4389 -0.26299 2014 4 19 56766 0.0513 0.4398 -0.26424 2014 4 20 56767 0.0531 0.4407 -0.26546 2014 4 21 56768 0.0549 0.4415 -0.26668 2014 4 22 56769 0.0567 0.4424 -0.26798 2014 4 23 56770 0.0585 0.4432 -0.26936 2014 4 24 56771 0.0603 0.4439 -0.27079 2014 4 25 56772 0.0622 0.4447 -0.27222 2014 4 26 56773 0.0641 0.4454 -0.27369 2014 4 27 56774 0.0660 0.4461 -0.27519 2014 4 28 56775 0.0679 0.4467 -0.27664 2014 4 29 56776 0.0698 0.4474 -0.27796 2014 4 30 56777 0.0717 0.4480 -0.27913 2014 5 1 56778 0.0737 0.4485 -0.28017 2014 5 2 56779 0.0756 0.4491 -0.28110 2014 5 3 56780 0.0776 0.4496 -0.28197 2014 5 4 56781 0.0796 0.4501 -0.28283 2014 5 5 56782 0.0816 0.4505 -0.28371 2014 5 6 56783 0.0836 0.4509 -0.28462 2014 5 7 56784 0.0857 0.4513 -0.28559 2014 5 8 56785 0.0877 0.4517 -0.28659 2014 5 9 56786 0.0897 0.4520 -0.28768 2014 5 10 56787 0.0918 0.4523 -0.28890 2014 5 11 56788 0.0939 0.4526 -0.29021 2014 5 12 56789 0.0959 0.4528 -0.29156 2014 5 13 56790 0.0980 0.4530 -0.29292 2014 5 14 56791 0.1001 0.4531 -0.29426 2014 5 15 56792 0.1022 0.4533 -0.29551 2014 5 16 56793 0.1043 0.4534 -0.29664 2014 5 17 56794 0.1064 0.4534 -0.29775 2014 5 18 56795 0.1085 0.4535 -0.29885 2014 5 19 56796 0.1106 0.4535 -0.30003 2014 5 20 56797 0.1127 0.4534 -0.30131 2014 5 21 56798 0.1149 0.4534 -0.30268 2014 5 22 56799 0.1170 0.4533 -0.30415 2014 5 23 56800 0.1191 0.4531 -0.30568 2014 5 24 56801 0.1212 0.4529 -0.30720 2014 5 25 56802 0.1233 0.4527 -0.30862 2014 5 26 56803 0.1255 0.4525 -0.30992 2014 5 27 56804 0.1276 0.4522 -0.31108 2014 5 28 56805 0.1297 0.4519 -0.31206 2014 5 29 56806 0.1318 0.4516 -0.31280 2014 5 30 56807 0.1339 0.4512 -0.31338 2014 5 31 56808 0.1361 0.4508 -0.31388 2014 6 1 56809 0.1382 0.4504 -0.31430 2014 6 2 56810 0.1403 0.4499 -0.31468 2014 6 3 56811 0.1424 0.4494 -0.31505 2014 6 4 56812 0.1445 0.4489 -0.31538 2014 6 5 56813 0.1465 0.4483 -0.31571 2014 6 6 56814 0.1486 0.4477 -0.31609 2014 6 7 56815 0.1507 0.4471 -0.31659 2014 6 8 56816 0.1527 0.4464 -0.31713 2014 6 9 56817 0.1548 0.4457 -0.31765 2014 6 10 56818 0.1568 0.4450 -0.31818 2014 6 11 56819 0.1589 0.4442 -0.31863 2014 6 12 56820 0.1609 0.4434 -0.31896 2014 6 13 56821 0.1629 0.4426 -0.31920 2014 6 14 56822 0.1649 0.4418 -0.31945 2014 6 15 56823 0.1669 0.4409 -0.31971 2014 6 16 56824 0.1689 0.4399 -0.32007 2014 6 17 56825 0.1708 0.4390 -0.32049 2014 6 18 56826 0.1728 0.4380 -0.32097 2014 6 19 56827 0.1747 0.4370 -0.32148 2014 6 20 56828 0.1766 0.4359 -0.32194 2014 6 21 56829 0.1785 0.4349 -0.32225 2014 6 22 56830 0.1804 0.4338 -0.32239 2014 6 23 56831 0.1822 0.4326 -0.32234 2014 6 24 56832 0.1841 0.4314 -0.32211 2014 6 25 56833 0.1859 0.4302 -0.32178 2014 6 26 56834 0.1877 0.4290 -0.32135 2014 6 27 56835 0.1895 0.4278 -0.32092 2014 6 28 56836 0.1913 0.4265 -0.32054 2014 6 29 56837 0.1930 0.4252 -0.32020 2014 6 30 56838 0.1947 0.4238 -0.31994 2014 7 1 56839 0.1964 0.4225 -0.31977 2014 7 2 56840 0.1981 0.4211 -0.31968 2014 7 3 56841 0.1998 0.4196 -0.31966 2014 7 4 56842 0.2014 0.4182 -0.31969 2014 7 5 56843 0.2030 0.4167 -0.31977 2014 7 6 56844 0.2046 0.4152 -0.31987 2014 7 7 56845 0.2061 0.4137 -0.31993 2014 7 8 56846 0.2077 0.4121 -0.31992 2014 7 9 56847 0.2092 0.4106 -0.31982 2014 7 10 56848 0.2107 0.4089 -0.31967 2014 7 11 56849 0.2121 0.4073 -0.31953 2014 7 12 56850 0.2135 0.4057 -0.31946 2014 7 13 56851 0.2149 0.4040 -0.31951 2014 7 14 56852 0.2163 0.4023 -0.31972 2014 7 15 56853 0.2176 0.4006 -0.32015 2014 7 16 56854 0.2190 0.3988 -0.32073 2014 7 17 56855 0.2202 0.3971 -0.32138 2014 7 18 56856 0.2215 0.3953 -0.32196 2014 7 19 56857 0.2227 0.3935 -0.32244 2014 7 20 56858 0.2239 0.3917 -0.32270 2014 7 21 56859 0.2250 0.3898 -0.32273 2014 7 22 56860 0.2262 0.3880 -0.32258 2014 7 23 56861 0.2273 0.3861 -0.32230 2014 7 24 56862 0.2283 0.3842 -0.32196 2014 7 25 56863 0.2293 0.3823 -0.32160 2014 7 26 56864 0.2303 0.3803 -0.32135 2014 7 27 56865 0.2313 0.3784 -0.32123 2014 7 28 56866 0.2322 0.3764 -0.32120 2014 7 29 56867 0.2331 0.3744 -0.32130 2014 7 30 56868 0.2340 0.3724 -0.32150 2014 7 31 56869 0.2348 0.3704 -0.32181 2014 8 1 56870 0.2356 0.3684 -0.32215 2014 8 2 56871 0.2363 0.3664 -0.32243 2014 8 3 56872 0.2370 0.3643 -0.32268 2014 8 4 56873 0.2377 0.3622 -0.32289 2014 8 5 56874 0.2384 0.3602 -0.32303 2014 8 6 56875 0.2390 0.3581 -0.32309 2014 8 7 56876 0.2395 0.3560 -0.32312 2014 8 8 56877 0.2401 0.3539 -0.32322 2014 8 9 56878 0.2406 0.3518 -0.32344 2014 8 10 56879 0.2410 0.3496 -0.32380 2014 8 11 56880 0.2414 0.3475 -0.32442 2014 8 12 56881 0.2418 0.3454 -0.32524 2014 8 13 56882 0.2422 0.3432 -0.32612 2014 8 14 56883 0.2425 0.3411 -0.32695 2014 8 15 56884 0.2427 0.3389 -0.32772 These predictions are based on all announced leap seconds. 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).