********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 12 September 2013 Vol. XXVI No. 037 ______________________________________________________________________ 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 9 6 56541 0.16425 .00005 0.31839 .00003 0.035167 0.000010 13 9 7 56542 0.16395 .00009 0.31737 .00009 0.034211 0.000010 13 9 8 56543 0.16351 .00009 0.31639 .00009 0.033249 0.000015 13 9 9 56544 0.16291 .00009 0.31533 .00009 0.032335 0.000007 13 9 10 56545 0.16206 .00009 0.31412 .00009 0.031512 0.000006 13 9 11 56546 0.16107 .00009 0.31282 .00009 0.030768 0.000006 13 9 12 56547 0.15997 .00009 0.31150 .00009 0.030073 0.000055 _______________________________________________________________________ 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 = 0.0974 + 0.1088 cos A - 0.0257 sin A - 0.0459 cos C - 0.0109 sin C y = 0.3449 - 0.0199 cos A - 0.0986 sin A - 0.0109 cos C + 0.0459 sin C UT1-UTC = -0.0108 - 0.00104 (MJD - 56555) - (UT2-UT1) where A = 2*pi*(MJD-56547)/365.25 and C = 2*pi*(MJD-56547)/435. TAI-UTC(MJD 56548) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56547)**0.80 S t = 0.00025 (MJD-56547)**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 13 56548 0.1590 0.3101 0.02942 2013 9 14 56549 0.1582 0.3088 0.02873 2013 9 15 56550 0.1574 0.3076 0.02792 2013 9 16 56551 0.1567 0.3064 0.02696 2013 9 17 56552 0.1560 0.3053 0.02586 2013 9 18 56553 0.1553 0.3042 0.02466 2013 9 19 56554 0.1546 0.3032 0.02339 2013 9 20 56555 0.1539 0.3021 0.02214 2013 9 21 56556 0.1531 0.3011 0.02098 2013 9 22 56557 0.1524 0.3000 0.01993 2013 9 23 56558 0.1515 0.2990 0.01900 2013 9 24 56559 0.1507 0.2980 0.01820 2013 9 25 56560 0.1499 0.2970 0.01748 2013 9 26 56561 0.1490 0.2960 0.01682 2013 9 27 56562 0.1482 0.2951 0.01616 2013 9 28 56563 0.1473 0.2941 0.01546 2013 9 29 56564 0.1464 0.2932 0.01467 2013 9 30 56565 0.1454 0.2924 0.01377 2013 10 1 56566 0.1445 0.2915 0.01273 2013 10 2 56567 0.1435 0.2906 0.01155 2013 10 3 56568 0.1426 0.2898 0.01023 2013 10 4 56569 0.1416 0.2889 0.00883 2013 10 5 56570 0.1406 0.2881 0.00738 2013 10 6 56571 0.1396 0.2873 0.00594 2013 10 7 56572 0.1386 0.2865 0.00455 2013 10 8 56573 0.1375 0.2857 0.00325 2013 10 9 56574 0.1364 0.2849 0.00204 2013 10 10 56575 0.1354 0.2842 0.00088 2013 10 11 56576 0.1343 0.2835 -0.00030 2013 10 12 56577 0.1332 0.2828 -0.00155 2013 10 13 56578 0.1320 0.2821 -0.00292 2013 10 14 56579 0.1309 0.2814 -0.00444 2013 10 15 56580 0.1297 0.2807 -0.00609 2013 10 16 56581 0.1286 0.2801 -0.00783 2013 10 17 56582 0.1274 0.2795 -0.00958 2013 10 18 56583 0.1262 0.2789 -0.01128 2013 10 19 56584 0.1250 0.2783 -0.01288 2013 10 20 56585 0.1238 0.2778 -0.01432 2013 10 21 56586 0.1225 0.2772 -0.01563 2013 10 22 56587 0.1213 0.2767 -0.01682 2013 10 23 56588 0.1200 0.2762 -0.01793 2013 10 24 56589 0.1187 0.2757 -0.01900 2013 10 25 56590 0.1174 0.2753 -0.02007 2013 10 26 56591 0.1161 0.2748 -0.02119 2013 10 27 56592 0.1148 0.2744 -0.02239 2013 10 28 56593 0.1135 0.2740 -0.02369 2013 10 29 56594 0.1122 0.2737 -0.02510 2013 10 30 56595 0.1108 0.2733 -0.02662 2013 10 31 56596 0.1095 0.2730 -0.02823 2013 11 1 56597 0.1081 0.2727 -0.02991 2013 11 2 56598 0.1067 0.2724 -0.03159 2013 11 3 56599 0.1053 0.2721 -0.03323 2013 11 4 56600 0.1039 0.2719 -0.03480 2013 11 5 56601 0.1025 0.2717 -0.03627 2013 11 6 56602 0.1011 0.2715 -0.03766 2013 11 7 56603 0.0997 0.2713 -0.03903 2013 11 8 56604 0.0983 0.2712 -0.04044 2013 11 9 56605 0.0969 0.2711 -0.04195 2013 11 10 56606 0.0954 0.2710 -0.04355 2013 11 11 56607 0.0940 0.2709 -0.04525 2013 11 12 56608 0.0926 0.2709 -0.04699 2013 11 13 56609 0.0911 0.2708 -0.04874 2013 11 14 56610 0.0897 0.2708 -0.05042 2013 11 15 56611 0.0882 0.2709 -0.05198 2013 11 16 56612 0.0867 0.2709 -0.05341 2013 11 17 56613 0.0853 0.2710 -0.05469 2013 11 18 56614 0.0838 0.2711 -0.05584 2013 11 19 56615 0.0824 0.2712 -0.05689 2013 11 20 56616 0.0809 0.2714 -0.05789 2013 11 21 56617 0.0794 0.2715 -0.05887 2013 11 22 56618 0.0780 0.2717 -0.05988 2013 11 23 56619 0.0765 0.2720 -0.06095 2013 11 24 56620 0.0750 0.2722 -0.06212 2013 11 25 56621 0.0736 0.2725 -0.06338 2013 11 26 56622 0.0721 0.2728 -0.06476 2013 11 27 56623 0.0707 0.2731 -0.06623 2013 11 28 56624 0.0692 0.2734 -0.06777 2013 11 29 56625 0.0678 0.2738 -0.06934 2013 11 30 56626 0.0663 0.2742 -0.07089 2013 12 1 56627 0.0649 0.2746 -0.07238 2013 12 2 56628 0.0634 0.2751 -0.07377 2013 12 3 56629 0.0620 0.2756 -0.07508 2013 12 4 56630 0.0606 0.2760 -0.07635 2013 12 5 56631 0.0591 0.2766 -0.07763 2013 12 6 56632 0.0577 0.2771 -0.07898 2013 12 7 56633 0.0563 0.2777 -0.08044 2013 12 8 56634 0.0549 0.2783 -0.08200 2013 12 9 56635 0.0535 0.2789 -0.08361 2013 12 10 56636 0.0522 0.2795 -0.08521 2013 12 11 56637 0.0508 0.2802 -0.08675 2013 12 12 56638 0.0494 0.2809 -0.08817 2013 12 13 56639 0.0481 0.2816 -0.08945 2013 12 14 56640 0.0467 0.2823 -0.09059 2013 12 15 56641 0.0454 0.2831 -0.09160 2013 12 16 56642 0.0441 0.2839 -0.09249 2013 12 17 56643 0.0428 0.2847 -0.09331 2013 12 18 56644 0.0415 0.2855 -0.09410 2013 12 19 56645 0.0402 0.2864 -0.09490 2013 12 20 56646 0.0390 0.2872 -0.09575 2013 12 21 56647 0.0377 0.2881 -0.09667 2013 12 22 56648 0.0365 0.2890 -0.09768 2013 12 23 56649 0.0353 0.2900 -0.09878 2013 12 24 56650 0.0341 0.2909 -0.09998 2013 12 25 56651 0.0329 0.2919 -0.10124 2013 12 26 56652 0.0317 0.2929 -0.10254 2013 12 27 56653 0.0305 0.2939 -0.10384 2013 12 28 56654 0.0294 0.2950 -0.10510 2013 12 29 56655 0.0283 0.2961 -0.10631 2013 12 30 56656 0.0272 0.2971 -0.10742 2013 12 31 56657 0.0261 0.2982 -0.10850 2014 1 1 56658 0.0250 0.2994 -0.10958 2014 1 2 56659 0.0240 0.3005 -0.11074 2014 1 3 56660 0.0230 0.3017 -0.11203 2014 1 4 56661 0.0220 0.3029 -0.11346 2014 1 5 56662 0.0210 0.3041 -0.11498 2014 1 6 56663 0.0200 0.3053 -0.11652 2014 1 7 56664 0.0191 0.3065 -0.11802 2014 1 8 56665 0.0182 0.3078 -0.11940 2014 1 9 56666 0.0173 0.3090 -0.12063 2014 1 10 56667 0.0164 0.3103 -0.12172 2014 1 11 56668 0.0155 0.3116 -0.12266 2014 1 12 56669 0.0147 0.3129 -0.12348 2014 1 13 56670 0.0139 0.3143 -0.12422 2014 1 14 56671 0.0131 0.3156 -0.12492 2014 1 15 56672 0.0124 0.3170 -0.12564 2014 1 16 56673 0.0116 0.3184 -0.12639 2014 1 17 56674 0.0109 0.3198 -0.12723 2014 1 18 56675 0.0103 0.3212 -0.12816 2014 1 19 56676 0.0096 0.3226 -0.12919 2014 1 20 56677 0.0090 0.3240 -0.13031 2014 1 21 56678 0.0084 0.3255 -0.13151 2014 1 22 56679 0.0078 0.3269 -0.13275 2014 1 23 56680 0.0073 0.3284 -0.13400 2014 1 24 56681 0.0067 0.3299 -0.13523 2014 1 25 56682 0.0062 0.3314 -0.13641 2014 1 26 56683 0.0058 0.3329 -0.13753 2014 1 27 56684 0.0053 0.3344 -0.13861 2014 1 28 56685 0.0049 0.3359 -0.13969 2014 1 29 56686 0.0045 0.3374 -0.14084 2014 1 30 56687 0.0042 0.3390 -0.14213 2014 1 31 56688 0.0039 0.3405 -0.14358 2014 2 1 56689 0.0036 0.3421 -0.14518 2014 2 2 56690 0.0033 0.3436 -0.14688 2014 2 3 56691 0.0030 0.3452 -0.14859 2014 2 4 56692 0.0028 0.3468 -0.15021 2014 2 5 56693 0.0027 0.3483 -0.15170 2014 2 6 56694 0.0025 0.3499 -0.15303 2014 2 7 56695 0.0024 0.3515 -0.15420 2014 2 8 56696 0.0023 0.3531 -0.15525 2014 2 9 56697 0.0022 0.3547 -0.15621 2014 2 10 56698 0.0022 0.3563 -0.15712 2014 2 11 56699 0.0022 0.3579 -0.15803 2014 2 12 56700 0.0022 0.3595 -0.15898 2014 2 13 56701 0.0023 0.3611 -0.16001 2014 2 14 56702 0.0024 0.3627 -0.16114 2014 2 15 56703 0.0025 0.3644 -0.16237 2014 2 16 56704 0.0027 0.3660 -0.16371 2014 2 17 56705 0.0029 0.3676 -0.16514 2014 2 18 56706 0.0031 0.3692 -0.16662 2014 2 19 56707 0.0033 0.3708 -0.16812 2014 2 20 56708 0.0036 0.3724 -0.16960 2014 2 21 56709 0.0039 0.3740 -0.17102 2014 2 22 56710 0.0043 0.3756 -0.17239 2014 2 23 56711 0.0046 0.3772 -0.17370 2014 2 24 56712 0.0050 0.3788 -0.17499 2014 2 25 56713 0.0055 0.3804 -0.17633 2014 2 26 56714 0.0060 0.3820 -0.17778 2014 2 27 56715 0.0065 0.3836 -0.17939 2014 2 28 56716 0.0070 0.3852 -0.18118 2014 3 1 56717 0.0075 0.3867 -0.18311 2014 3 2 56718 0.0081 0.3883 -0.18512 2014 3 3 56719 0.0088 0.3899 -0.18710 2014 3 4 56720 0.0094 0.3914 -0.18898 2014 3 5 56721 0.0101 0.3930 -0.19071 2014 3 6 56722 0.0108 0.3945 -0.19226 2014 3 7 56723 0.0115 0.3960 -0.19367 2014 3 8 56724 0.0123 0.3975 -0.19496 2014 3 9 56725 0.0131 0.3990 -0.19619 2014 3 10 56726 0.0140 0.4005 -0.19738 2014 3 11 56727 0.0148 0.4020 -0.19860 2014 3 12 56728 0.0157 0.4035 -0.19989 2014 3 13 56729 0.0166 0.4049 -0.20126 2014 3 14 56730 0.0176 0.4064 -0.20275 2014 3 15 56731 0.0186 0.4078 -0.20436 2014 3 16 56732 0.0196 0.4092 -0.20606 2014 3 17 56733 0.0206 0.4106 -0.20784 2014 3 18 56734 0.0217 0.4120 -0.20967 2014 3 19 56735 0.0228 0.4134 -0.21148 2014 3 20 56736 0.0239 0.4148 -0.21326 2014 3 21 56737 0.0251 0.4161 -0.21496 2014 3 22 56738 0.0263 0.4174 -0.21659 2014 3 23 56739 0.0275 0.4188 -0.21816 2014 3 24 56740 0.0287 0.4201 -0.21974 2014 3 25 56741 0.0300 0.4213 -0.22137 2014 3 26 56742 0.0313 0.4226 -0.22311 2014 3 27 56743 0.0326 0.4238 -0.22500 2014 3 28 56744 0.0339 0.4251 -0.22704 2014 3 29 56745 0.0353 0.4263 -0.22917 2014 3 30 56746 0.0367 0.4274 -0.23134 2014 3 31 56747 0.0381 0.4286 -0.23344 2014 4 1 56748 0.0395 0.4297 -0.23540 2014 4 2 56749 0.0410 0.4309 -0.23720 2014 4 3 56750 0.0425 0.4320 -0.23883 2014 4 4 56751 0.0440 0.4330 -0.24034 2014 4 5 56752 0.0455 0.4341 -0.24175 2014 4 6 56753 0.0471 0.4351 -0.24312 2014 4 7 56754 0.0487 0.4361 -0.24449 2014 4 8 56755 0.0503 0.4371 -0.24590 2014 4 9 56756 0.0519 0.4381 -0.24736 2014 4 10 56757 0.0536 0.4390 -0.24890 2014 4 11 56758 0.0552 0.4399 -0.25051 2014 4 12 56759 0.0569 0.4408 -0.25218 2014 4 13 56760 0.0586 0.4416 -0.25389 2014 4 14 56761 0.0604 0.4425 -0.25561 2014 4 15 56762 0.0621 0.4433 -0.25731 2014 4 16 56763 0.0639 0.4441 -0.25893 2014 4 17 56764 0.0656 0.4448 -0.26044 2014 4 18 56765 0.0674 0.4456 -0.26184 2014 4 19 56766 0.0693 0.4463 -0.26310 2014 4 20 56767 0.0711 0.4469 -0.26428 2014 4 21 56768 0.0729 0.4476 -0.26543 2014 4 22 56769 0.0748 0.4482 -0.26662 2014 4 23 56770 0.0767 0.4488 -0.26791 2014 4 24 56771 0.0786 0.4493 -0.26932 2014 4 25 56772 0.0805 0.4499 -0.27081 2014 4 26 56773 0.0824 0.4504 -0.27230 2014 4 27 56774 0.0844 0.4508 -0.27379 2014 4 28 56775 0.0863 0.4513 -0.27527 2014 4 29 56776 0.0883 0.4517 -0.27667 2014 4 30 56777 0.0902 0.4521 -0.27792 2014 5 1 56778 0.0922 0.4524 -0.27906 2014 5 2 56779 0.0942 0.4527 -0.28009 2014 5 3 56780 0.0962 0.4530 -0.28102 2014 5 4 56781 0.0982 0.4533 -0.28189 2014 5 5 56782 0.1003 0.4535 -0.28276 2014 5 6 56783 0.1023 0.4537 -0.28370 2014 5 7 56784 0.1043 0.4539 -0.28471 2014 5 8 56785 0.1064 0.4540 -0.28580 2014 5 9 56786 0.1084 0.4541 -0.28704 2014 5 10 56787 0.1105 0.4542 -0.28843 2014 5 11 56788 0.1125 0.4542 -0.28995 2014 5 12 56789 0.1146 0.4542 -0.29148 2014 5 13 56790 0.1167 0.4542 -0.29307 2014 5 14 56791 0.1187 0.4541 -0.29465 2014 5 15 56792 0.1208 0.4540 -0.29616 2014 5 16 56793 0.1229 0.4539 -0.29757 2014 5 17 56794 0.1250 0.4537 -0.29902 2014 5 18 56795 0.1271 0.4535 -0.30047 2014 5 19 56796 0.1291 0.4533 -0.30194 2014 5 20 56797 0.1312 0.4531 -0.30345 2014 5 21 56798 0.1333 0.4528 -0.30499 2014 5 22 56799 0.1354 0.4524 -0.30654 2014 5 23 56800 0.1375 0.4521 -0.30808 2014 5 24 56801 0.1395 0.4517 -0.30951 2014 5 25 56802 0.1416 0.4513 -0.31082 2014 5 26 56803 0.1437 0.4508 -0.31202 2014 5 27 56804 0.1457 0.4503 -0.31307 2014 5 28 56805 0.1478 0.4498 -0.31393 2014 5 29 56806 0.1499 0.4493 -0.31459 2014 5 30 56807 0.1519 0.4487 -0.31512 2014 5 31 56808 0.1539 0.4481 -0.31559 2014 6 1 56809 0.1560 0.4474 -0.31596 2014 6 2 56810 0.1580 0.4467 -0.31631 2014 6 3 56811 0.1600 0.4460 -0.31670 2014 6 4 56812 0.1620 0.4453 -0.31719 2014 6 5 56813 0.1640 0.4445 -0.31776 2014 6 6 56814 0.1660 0.4437 -0.31837 2014 6 7 56815 0.1680 0.4428 -0.31901 2014 6 8 56816 0.1699 0.4419 -0.31964 2014 6 9 56817 0.1719 0.4410 -0.32024 2014 6 10 56818 0.1738 0.4401 -0.32080 2014 6 11 56819 0.1758 0.4391 -0.32130 2014 6 12 56820 0.1777 0.4381 -0.32170 2014 6 13 56821 0.1796 0.4371 -0.32201 2014 6 14 56822 0.1814 0.4360 -0.32234 2014 6 15 56823 0.1833 0.4349 -0.32272 2014 6 16 56824 0.1852 0.4338 -0.32317 2014 6 17 56825 0.1870 0.4327 -0.32373 2014 6 18 56826 0.1888 0.4315 -0.32435 2014 6 19 56827 0.1906 0.4303 -0.32493 2014 6 20 56828 0.1924 0.4290 -0.32538 2014 6 21 56829 0.1941 0.4278 -0.32574 2014 6 22 56830 0.1959 0.4265 -0.32602 2014 6 23 56831 0.1976 0.4251 -0.32619 2014 6 24 56832 0.1993 0.4238 -0.32623 2014 6 25 56833 0.2010 0.4224 -0.32615 2014 6 26 56834 0.2026 0.4210 -0.32599 2014 6 27 56835 0.2043 0.4195 -0.32581 2014 6 28 56836 0.2059 0.4181 -0.32562 2014 6 29 56837 0.2075 0.4166 -0.32549 2014 6 30 56838 0.2090 0.4151 -0.32542 2014 7 1 56839 0.2106 0.4135 -0.32543 2014 7 2 56840 0.2121 0.4120 -0.32549 2014 7 3 56841 0.2136 0.4104 -0.32559 2014 7 4 56842 0.2150 0.4088 -0.32575 2014 7 5 56843 0.2164 0.4071 -0.32600 2014 7 6 56844 0.2179 0.4054 -0.32631 2014 7 7 56845 0.2192 0.4038 -0.32662 2014 7 8 56846 0.2206 0.4020 -0.32693 2014 7 9 56847 0.2219 0.4003 -0.32723 2014 7 10 56848 0.2232 0.3986 -0.32749 2014 7 11 56849 0.2245 0.3968 -0.32771 2014 7 12 56850 0.2257 0.3950 -0.32802 2014 7 13 56851 0.2269 0.3931 -0.32843 2014 7 14 56852 0.2281 0.3913 -0.32900 2014 7 15 56853 0.2292 0.3894 -0.32972 2014 7 16 56854 0.2303 0.3876 -0.33051 2014 7 17 56855 0.2314 0.3857 -0.33133 2014 7 18 56856 0.2325 0.3837 -0.33211 2014 7 19 56857 0.2335 0.3818 -0.33277 2014 7 20 56858 0.2345 0.3799 -0.33327 2014 7 21 56859 0.2354 0.3779 -0.33363 2014 7 22 56860 0.2363 0.3759 -0.33388 2014 7 23 56861 0.2372 0.3739 -0.33400 2014 7 24 56862 0.2380 0.3719 -0.33397 2014 7 25 56863 0.2389 0.3698 -0.33386 2014 7 26 56864 0.2396 0.3678 -0.33376 2014 7 27 56865 0.2404 0.3657 -0.33365 2014 7 28 56866 0.2411 0.3637 -0.33355 2014 7 29 56867 0.2418 0.3616 -0.33348 2014 7 30 56868 0.2424 0.3595 -0.33340 2014 7 31 56869 0.2430 0.3574 -0.33330 2014 8 1 56870 0.2435 0.3552 -0.33324 2014 8 2 56871 0.2441 0.3531 -0.33328 2014 8 3 56872 0.2446 0.3510 -0.33333 2014 8 4 56873 0.2450 0.3488 -0.33336 2014 8 5 56874 0.2454 0.3466 -0.33339 2014 8 6 56875 0.2458 0.3445 -0.33339 2014 8 7 56876 0.2461 0.3423 -0.33335 2014 8 8 56877 0.2464 0.3401 -0.33333 2014 8 9 56878 0.2467 0.3379 -0.33343 2014 8 10 56879 0.2469 0.3357 -0.33367 2014 8 11 56880 0.2471 0.3335 -0.33408 2014 8 12 56881 0.2472 0.3313 -0.33459 2014 8 13 56882 0.2473 0.3291 -0.33515 2014 8 14 56883 0.2474 0.3269 -0.33569 2014 8 15 56884 0.2474 0.3247 -0.33609 2014 8 16 56885 0.2474 0.3224 -0.33630 2014 8 17 56886 0.2474 0.3202 -0.33630 2014 8 18 56887 0.2473 0.3180 -0.33613 2014 8 19 56888 0.2471 0.3158 -0.33583 2014 8 20 56889 0.2470 0.3136 -0.33549 2014 8 21 56890 0.2467 0.3113 -0.33514 2014 8 22 56891 0.2465 0.3091 -0.33488 2014 8 23 56892 0.2462 0.3069 -0.33474 2014 8 24 56893 0.2459 0.3047 -0.33470 2014 8 25 56894 0.2455 0.3025 -0.33479 2014 8 26 56895 0.2451 0.3003 -0.33500 2014 8 27 56896 0.2446 0.2981 -0.33529 2014 8 28 56897 0.2442 0.2959 -0.33565 2014 8 29 56898 0.2436 0.2937 -0.33603 2014 8 30 56899 0.2431 0.2915 -0.33644 2014 8 31 56900 0.2424 0.2893 -0.33685 2014 9 1 56901 0.2418 0.2871 -0.33720 2014 9 2 56902 0.2411 0.2850 -0.33750 2014 9 3 56903 0.2404 0.2828 -0.33775 2014 9 4 56904 0.2396 0.2807 -0.33803 2014 9 5 56905 0.2388 0.2785 -0.33843 2014 9 6 56906 0.2380 0.2764 -0.33899 2014 9 7 56907 0.2371 0.2743 -0.33976 2014 9 8 56908 0.2362 0.2722 -0.34074 2014 9 9 56909 0.2352 0.2701 -0.34194 2014 9 10 56910 0.2342 0.2681 -0.34326 2014 9 11 56911 0.2332 0.2660 -0.34459 2014 9 12 56912 0.2321 0.2640 -0.34582 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) 56525 -88.16 0.11 -13.18 0.07 56526 -88.13 0.11 -13.05 0.07 56527 -88.10 0.11 -13.09 0.07 56528 -88.33 0.15 -13.13 0.09 56529 -88.79 0.30 -13.06 0.04 56530 -89.13 0.30 -12.98 0.04 56531 -89.14 0.30 -12.96 0.02 56532 -88.95 0.30 -13.02 0.03 56533 -88.82 0.30 -13.09 0.03 56534 -88.76 0.30 -13.14 0.03 56535 -88.66 0.13 -13.17 0.05 56536 -88.51 0.13 -13.17 0.05 56537 -88.42 0.12 -13.13 0.05 56538 -88.40 0.30 -13.09 0.05 56539 -88.39 0.30 -13.07 0.05 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56525 -0.199 0.044 -0.271 0.070 56526 -0.217 0.044 -0.225 0.070 56527 -0.233 0.044 -0.184 0.070 56528 -0.250 0.060 -0.148 0.090 56529 -0.275 0.119 -0.095 0.040 56530 -0.293 0.119 -0.074 0.040 56531 -0.291 0.119 -0.077 0.020 56532 -0.266 0.119 -0.102 0.030 56533 -0.243 0.119 -0.108 0.030 56534 -0.221 0.119 -0.098 0.030 56535 -0.204 0.052 -0.092 0.050 56536 -0.194 0.052 -0.092 0.050 56537 -0.202 0.048 -0.083 0.050 56538 -0.215 0.119 -0.086 0.050 56539 -0.224 0.119 -0.097 0.050 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).