********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 22 August 2013 Vol. XXVI No. 034 ______________________________________________________________________ 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 16 56520 0.17366 .00009 0.34515 .00009 0.046762 0.000009 13 8 17 56521 0.17346 .00009 0.34393 .00009 0.046420 0.000009 13 8 18 56522 0.17333 .00010 0.34288 .00009 0.045973 0.000015 13 8 19 56523 0.17324 .00010 0.34187 .00009 0.045385 0.000006 13 8 20 56524 0.17302 .00009 0.34072 .00009 0.044660 0.000006 13 8 21 56525 0.17245 .00009 0.33935 .00009 0.043823 0.000006 13 8 22 56526 0.17166 .00010 0.33780 .00009 0.042923 0.000005 _______________________________________________________________________ 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 = 0.0975 + 0.1099 cos A + 0.0220 sin A - 0.0362 cos C - 0.0297 sin C y = 0.3481 + 0.0225 cos A - 0.0980 sin A - 0.0297 cos C + 0.0362 sin C UT1-UTC = 0.0071 - 0.00103 (MJD - 56534) - (UT2-UT1) where A = 2*pi*(MJD-56526)/365.25 and C = 2*pi*(MJD-56526)/435. TAI-UTC(MJD 56527) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56526)**0.80 S t = 0.00025 (MJD-56526)**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 23 56527 0.1711 0.3362 0.04199 2013 8 24 56528 0.1706 0.3346 0.04112 2013 8 25 56529 0.1703 0.3330 0.04036 2013 8 26 56530 0.1702 0.3316 0.03975 2013 8 27 56531 0.1700 0.3302 0.03928 2013 8 28 56532 0.1699 0.3290 0.03894 2013 8 29 56533 0.1698 0.3277 0.03868 2013 8 30 56534 0.1696 0.3265 0.03846 2013 8 31 56535 0.1694 0.3252 0.03823 2013 9 1 56536 0.1691 0.3240 0.03794 2013 9 2 56537 0.1688 0.3228 0.03754 2013 9 3 56538 0.1685 0.3215 0.03702 2013 9 4 56539 0.1682 0.3203 0.03637 2013 9 5 56540 0.1678 0.3190 0.03555 2013 9 6 56541 0.1675 0.3178 0.03461 2013 9 7 56542 0.1671 0.3167 0.03359 2013 9 8 56543 0.1667 0.3155 0.03256 2013 9 9 56544 0.1663 0.3143 0.03157 2013 9 10 56545 0.1659 0.3132 0.03064 2013 9 11 56546 0.1654 0.3120 0.02979 2013 9 12 56547 0.1649 0.3108 0.02899 2013 9 13 56548 0.1644 0.3096 0.02819 2013 9 14 56549 0.1639 0.3085 0.02734 2013 9 15 56550 0.1634 0.3073 0.02637 2013 9 16 56551 0.1629 0.3062 0.02525 2013 9 17 56552 0.1623 0.3050 0.02396 2013 9 18 56553 0.1617 0.3039 0.02254 2013 9 19 56554 0.1611 0.3028 0.02106 2013 9 20 56555 0.1605 0.3017 0.01959 2013 9 21 56556 0.1598 0.3006 0.01820 2013 9 22 56557 0.1591 0.2995 0.01694 2013 9 23 56558 0.1584 0.2985 0.01582 2013 9 24 56559 0.1577 0.2974 0.01484 2013 9 25 56560 0.1569 0.2963 0.01396 2013 9 26 56561 0.1562 0.2953 0.01316 2013 9 27 56562 0.1554 0.2943 0.01238 2013 9 28 56563 0.1546 0.2932 0.01157 2013 9 29 56564 0.1537 0.2922 0.01071 2013 9 30 56565 0.1529 0.2912 0.00973 2013 10 1 56566 0.1520 0.2903 0.00862 2013 10 2 56567 0.1511 0.2893 0.00736 2013 10 3 56568 0.1502 0.2883 0.00597 2013 10 4 56569 0.1493 0.2874 0.00447 2013 10 5 56570 0.1483 0.2865 0.00292 2013 10 6 56571 0.1473 0.2856 0.00138 2013 10 7 56572 0.1463 0.2847 -0.00009 2013 10 8 56573 0.1453 0.2838 -0.00147 2013 10 9 56574 0.1442 0.2829 -0.00276 2013 10 10 56575 0.1432 0.2821 -0.00400 2013 10 11 56576 0.1421 0.2813 -0.00524 2013 10 12 56577 0.1410 0.2804 -0.00654 2013 10 13 56578 0.1399 0.2796 -0.00795 2013 10 14 56579 0.1387 0.2789 -0.00948 2013 10 15 56580 0.1376 0.2781 -0.01112 2013 10 16 56581 0.1364 0.2774 -0.01283 2013 10 17 56582 0.1352 0.2767 -0.01455 2013 10 18 56583 0.1340 0.2760 -0.01623 2013 10 19 56584 0.1328 0.2753 -0.01780 2013 10 20 56585 0.1316 0.2746 -0.01924 2013 10 21 56586 0.1303 0.2740 -0.02055 2013 10 22 56587 0.1290 0.2733 -0.02173 2013 10 23 56588 0.1277 0.2727 -0.02284 2013 10 24 56589 0.1264 0.2722 -0.02392 2013 10 25 56590 0.1251 0.2716 -0.02500 2013 10 26 56591 0.1238 0.2711 -0.02613 2013 10 27 56592 0.1224 0.2705 -0.02736 2013 10 28 56593 0.1211 0.2701 -0.02869 2013 10 29 56594 0.1197 0.2696 -0.03015 2013 10 30 56595 0.1183 0.2691 -0.03172 2013 10 31 56596 0.1169 0.2687 -0.03339 2013 11 1 56597 0.1155 0.2683 -0.03512 2013 11 2 56598 0.1141 0.2679 -0.03686 2013 11 3 56599 0.1127 0.2676 -0.03855 2013 11 4 56600 0.1112 0.2672 -0.04015 2013 11 5 56601 0.1098 0.2669 -0.04164 2013 11 6 56602 0.1083 0.2666 -0.04305 2013 11 7 56603 0.1068 0.2664 -0.04443 2013 11 8 56604 0.1054 0.2661 -0.04585 2013 11 9 56605 0.1039 0.2659 -0.04735 2013 11 10 56606 0.1024 0.2657 -0.04896 2013 11 11 56607 0.1009 0.2656 -0.05066 2013 11 12 56608 0.0994 0.2654 -0.05242 2013 11 13 56609 0.0979 0.2653 -0.05418 2013 11 14 56610 0.0963 0.2652 -0.05589 2013 11 15 56611 0.0948 0.2651 -0.05749 2013 11 16 56612 0.0933 0.2651 -0.05896 2013 11 17 56613 0.0918 0.2651 -0.06029 2013 11 18 56614 0.0902 0.2651 -0.06147 2013 11 19 56615 0.0887 0.2651 -0.06256 2013 11 20 56616 0.0872 0.2652 -0.06357 2013 11 21 56617 0.0856 0.2653 -0.06457 2013 11 22 56618 0.0841 0.2654 -0.06559 2013 11 23 56619 0.0825 0.2655 -0.06666 2013 11 24 56620 0.0810 0.2657 -0.06782 2013 11 25 56621 0.0794 0.2659 -0.06909 2013 11 26 56622 0.0779 0.2661 -0.07046 2013 11 27 56623 0.0763 0.2664 -0.07192 2013 11 28 56624 0.0748 0.2666 -0.07345 2013 11 29 56625 0.0733 0.2669 -0.07501 2013 11 30 56626 0.0717 0.2672 -0.07655 2013 12 1 56627 0.0702 0.2676 -0.07802 2013 12 2 56628 0.0687 0.2680 -0.07939 2013 12 3 56629 0.0671 0.2683 -0.08068 2013 12 4 56630 0.0656 0.2688 -0.08192 2013 12 5 56631 0.0641 0.2692 -0.08317 2013 12 6 56632 0.0626 0.2697 -0.08449 2013 12 7 56633 0.0611 0.2702 -0.08592 2013 12 8 56634 0.0596 0.2707 -0.08743 2013 12 9 56635 0.0581 0.2713 -0.08901 2013 12 10 56636 0.0566 0.2718 -0.09059 2013 12 11 56637 0.0551 0.2724 -0.09210 2013 12 12 56638 0.0537 0.2731 -0.09350 2013 12 13 56639 0.0522 0.2737 -0.09476 2013 12 14 56640 0.0508 0.2744 -0.09588 2013 12 15 56641 0.0493 0.2751 -0.09686 2013 12 16 56642 0.0479 0.2758 -0.09772 2013 12 17 56643 0.0465 0.2766 -0.09852 2013 12 18 56644 0.0451 0.2773 -0.09928 2013 12 19 56645 0.0437 0.2781 -0.10005 2013 12 20 56646 0.0423 0.2789 -0.10088 2013 12 21 56647 0.0410 0.2798 -0.10178 2013 12 22 56648 0.0396 0.2807 -0.10277 2013 12 23 56649 0.0383 0.2815 -0.10386 2013 12 24 56650 0.0370 0.2825 -0.10504 2013 12 25 56651 0.0357 0.2834 -0.10629 2013 12 26 56652 0.0344 0.2843 -0.10758 2013 12 27 56653 0.0331 0.2853 -0.10887 2013 12 28 56654 0.0319 0.2863 -0.11012 2013 12 29 56655 0.0306 0.2874 -0.11132 2013 12 30 56656 0.0294 0.2884 -0.11244 2013 12 31 56657 0.0282 0.2895 -0.11351 2014 1 1 56658 0.0270 0.2905 -0.11460 2014 1 2 56659 0.0258 0.2917 -0.11577 2014 1 3 56660 0.0247 0.2928 -0.11706 2014 1 4 56661 0.0236 0.2939 -0.11849 2014 1 5 56662 0.0225 0.2951 -0.12001 2014 1 6 56663 0.0214 0.2963 -0.12156 2014 1 7 56664 0.0203 0.2975 -0.12306 2014 1 8 56665 0.0193 0.2987 -0.12444 2014 1 9 56666 0.0182 0.3000 -0.12567 2014 1 10 56667 0.0172 0.3012 -0.12676 2014 1 11 56668 0.0163 0.3025 -0.12769 2014 1 12 56669 0.0153 0.3038 -0.12852 2014 1 13 56670 0.0144 0.3051 -0.12926 2014 1 14 56671 0.0135 0.3064 -0.12996 2014 1 15 56672 0.0126 0.3078 -0.13068 2014 1 16 56673 0.0117 0.3092 -0.13144 2014 1 17 56674 0.0109 0.3105 -0.13227 2014 1 18 56675 0.0101 0.3119 -0.13321 2014 1 19 56676 0.0093 0.3133 -0.13424 2014 1 20 56677 0.0085 0.3148 -0.13536 2014 1 21 56678 0.0078 0.3162 -0.13656 2014 1 22 56679 0.0071 0.3176 -0.13780 2014 1 23 56680 0.0064 0.3191 -0.13905 2014 1 24 56681 0.0058 0.3206 -0.14028 2014 1 25 56682 0.0051 0.3221 -0.14146 2014 1 26 56683 0.0045 0.3236 -0.14257 2014 1 27 56684 0.0040 0.3251 -0.14365 2014 1 28 56685 0.0034 0.3266 -0.14472 2014 1 29 56686 0.0029 0.3282 -0.14587 2014 1 30 56687 0.0024 0.3297 -0.14714 2014 1 31 56688 0.0020 0.3312 -0.14858 2014 2 1 56689 0.0016 0.3328 -0.15018 2014 2 2 56690 0.0012 0.3344 -0.15186 2014 2 3 56691 0.0008 0.3360 -0.15355 2014 2 4 56692 0.0004 0.3376 -0.15516 2014 2 5 56693 0.0001 0.3391 -0.15663 2014 2 6 56694 -0.0001 0.3407 -0.15794 2014 2 7 56695 -0.0004 0.3424 -0.15909 2014 2 8 56696 -0.0006 0.3440 -0.16011 2014 2 9 56697 -0.0008 0.3456 -0.16105 2014 2 10 56698 -0.0009 0.3472 -0.16193 2014 2 11 56699 -0.0011 0.3488 -0.16282 2014 2 12 56700 -0.0012 0.3505 -0.16374 2014 2 13 56701 -0.0012 0.3521 -0.16474 2014 2 14 56702 -0.0013 0.3538 -0.16584 2014 2 15 56703 -0.0013 0.3554 -0.16706 2014 2 16 56704 -0.0012 0.3570 -0.16838 2014 2 17 56705 -0.0012 0.3587 -0.16979 2014 2 18 56706 -0.0011 0.3603 -0.17126 2014 2 19 56707 -0.0009 0.3620 -0.17276 2014 2 20 56708 -0.0008 0.3636 -0.17425 2014 2 21 56709 -0.0006 0.3653 -0.17569 2014 2 22 56710 -0.0004 0.3669 -0.17709 2014 2 23 56711 -0.0001 0.3686 -0.17844 2014 2 24 56712 0.0002 0.3702 -0.17979 2014 2 25 56713 0.0005 0.3718 -0.18119 2014 2 26 56714 0.0008 0.3735 -0.18271 2014 2 27 56715 0.0012 0.3751 -0.18439 2014 2 28 56716 0.0016 0.3767 -0.18625 2014 3 1 56717 0.0021 0.3784 -0.18823 2014 3 2 56718 0.0025 0.3800 -0.19027 2014 3 3 56719 0.0030 0.3816 -0.19226 2014 3 4 56720 0.0036 0.3832 -0.19413 2014 3 5 56721 0.0042 0.3848 -0.19583 2014 3 6 56722 0.0048 0.3864 -0.19736 2014 3 7 56723 0.0054 0.3880 -0.19873 2014 3 8 56724 0.0061 0.3895 -0.19998 2014 3 9 56725 0.0068 0.3911 -0.20115 2014 3 10 56726 0.0075 0.3927 -0.20227 2014 3 11 56727 0.0082 0.3942 -0.20340 2014 3 12 56728 0.0090 0.3958 -0.20455 2014 3 13 56729 0.0099 0.3973 -0.20574 2014 3 14 56730 0.0107 0.3988 -0.20701 2014 3 15 56731 0.0116 0.4003 -0.20834 2014 3 16 56732 0.0125 0.4018 -0.20973 2014 3 17 56733 0.0134 0.4033 -0.21117 2014 3 18 56734 0.0144 0.4047 -0.21264 2014 3 19 56735 0.0154 0.4062 -0.21411 2014 3 20 56736 0.0164 0.4076 -0.21556 2014 3 21 56737 0.0175 0.4090 -0.21697 2014 3 22 56738 0.0186 0.4104 -0.21833 2014 3 23 56739 0.0197 0.4118 -0.21966 2014 3 24 56740 0.0209 0.4132 -0.22101 2014 3 25 56741 0.0220 0.4146 -0.22244 2014 3 26 56742 0.0232 0.4159 -0.22400 2014 3 27 56743 0.0245 0.4172 -0.22575 2014 3 28 56744 0.0257 0.4185 -0.22769 2014 3 29 56745 0.0270 0.4198 -0.22982 2014 3 30 56746 0.0283 0.4211 -0.23206 2014 3 31 56747 0.0296 0.4223 -0.23429 2014 4 1 56748 0.0310 0.4236 -0.23647 2014 4 2 56749 0.0324 0.4248 -0.23854 2014 4 3 56750 0.0338 0.4260 -0.24047 2014 4 4 56751 0.0353 0.4271 -0.24226 2014 4 5 56752 0.0367 0.4283 -0.24403 2014 4 6 56753 0.0382 0.4294 -0.24575 2014 4 7 56754 0.0397 0.4305 -0.24743 2014 4 8 56755 0.0413 0.4316 -0.24907 2014 4 9 56756 0.0428 0.4326 -0.25071 2014 4 10 56757 0.0444 0.4337 -0.25238 2014 4 11 56758 0.0460 0.4347 -0.25409 2014 4 12 56759 0.0476 0.4357 -0.25581 2014 4 13 56760 0.0493 0.4366 -0.25757 2014 4 14 56761 0.0509 0.4376 -0.25939 2014 4 15 56762 0.0526 0.4385 -0.26123 2014 4 16 56763 0.0543 0.4394 -0.26298 2014 4 17 56764 0.0561 0.4402 -0.26459 2014 4 18 56765 0.0578 0.4410 -0.26608 2014 4 19 56766 0.0596 0.4419 -0.26747 2014 4 20 56767 0.0614 0.4426 -0.26876 2014 4 21 56768 0.0632 0.4434 -0.27003 2014 4 22 56769 0.0650 0.4441 -0.27137 2014 4 23 56770 0.0668 0.4448 -0.27285 2014 4 24 56771 0.0687 0.4455 -0.27448 2014 4 25 56772 0.0705 0.4461 -0.27617 2014 4 26 56773 0.0724 0.4467 -0.27790 2014 4 27 56774 0.0743 0.4473 -0.27958 2014 4 28 56775 0.0762 0.4478 -0.28114 2014 4 29 56776 0.0782 0.4484 -0.28255 2014 4 30 56777 0.0801 0.4489 -0.28382 2014 5 1 56778 0.0821 0.4493 -0.28491 2014 5 2 56779 0.0840 0.4497 -0.28585 2014 5 3 56780 0.0860 0.4501 -0.28672 2014 5 4 56781 0.0880 0.4505 -0.28756 2014 5 5 56782 0.0900 0.4509 -0.28838 2014 5 6 56783 0.0920 0.4512 -0.28922 2014 5 7 56784 0.0940 0.4514 -0.29011 2014 5 8 56785 0.0961 0.4517 -0.29099 2014 5 9 56786 0.0981 0.4519 -0.29184 2014 5 10 56787 0.1001 0.4521 -0.29277 2014 5 11 56788 0.1022 0.4522 -0.29379 2014 5 12 56789 0.1042 0.4524 -0.29486 2014 5 13 56790 0.1063 0.4524 -0.29592 2014 5 14 56791 0.1084 0.4525 -0.29692 2014 5 15 56792 0.1104 0.4525 -0.29786 2014 5 16 56793 0.1125 0.4525 -0.29873 2014 5 17 56794 0.1146 0.4525 -0.29957 2014 5 18 56795 0.1167 0.4524 -0.30043 2014 5 19 56796 0.1188 0.4523 -0.30137 2014 5 20 56797 0.1209 0.4521 -0.30240 2014 5 21 56798 0.1229 0.4520 -0.30352 2014 5 22 56799 0.1250 0.4518 -0.30468 2014 5 23 56800 0.1271 0.4515 -0.30588 2014 5 24 56801 0.1292 0.4512 -0.30711 2014 5 25 56802 0.1313 0.4509 -0.30830 2014 5 26 56803 0.1334 0.4506 -0.30940 2014 5 27 56804 0.1355 0.4502 -0.31037 2014 5 28 56805 0.1375 0.4498 -0.31124 2014 5 29 56806 0.1396 0.4494 -0.31197 2014 5 30 56807 0.1417 0.4489 -0.31258 2014 5 31 56808 0.1438 0.4484 -0.31316 2014 6 1 56809 0.1458 0.4479 -0.31373 2014 6 2 56810 0.1479 0.4473 -0.31433 2014 6 3 56811 0.1499 0.4467 -0.31499 2014 6 4 56812 0.1520 0.4461 -0.31572 2014 6 5 56813 0.1540 0.4454 -0.31653 2014 6 6 56814 0.1560 0.4447 -0.31744 2014 6 7 56815 0.1580 0.4440 -0.31840 2014 6 8 56816 0.1600 0.4432 -0.31938 2014 6 9 56817 0.1620 0.4424 -0.32035 2014 6 10 56818 0.1640 0.4416 -0.32130 2014 6 11 56819 0.1660 0.4407 -0.32214 2014 6 12 56820 0.1679 0.4399 -0.32281 2014 6 13 56821 0.1699 0.4389 -0.32335 2014 6 14 56822 0.1718 0.4380 -0.32387 2014 6 15 56823 0.1737 0.4370 -0.32436 2014 6 16 56824 0.1756 0.4360 -0.32488 2014 6 17 56825 0.1775 0.4349 -0.32546 2014 6 18 56826 0.1794 0.4339 -0.32604 2014 6 19 56827 0.1813 0.4328 -0.32656 2014 6 20 56828 0.1831 0.4316 -0.32705 2014 6 21 56829 0.1849 0.4305 -0.32753 2014 6 22 56830 0.1867 0.4293 -0.32789 2014 6 23 56831 0.1885 0.4281 -0.32810 2014 6 24 56832 0.1903 0.4268 -0.32820 2014 6 25 56833 0.1920 0.4255 -0.32817 2014 6 26 56834 0.1937 0.4242 -0.32800 2014 6 27 56835 0.1955 0.4229 -0.32774 2014 6 28 56836 0.1971 0.4215 -0.32748 2014 6 29 56837 0.1988 0.4201 -0.32722 2014 6 30 56838 0.2004 0.4187 -0.32699 2014 7 1 56839 0.2021 0.4173 -0.32679 2014 7 2 56840 0.2036 0.4158 -0.32663 2014 7 3 56841 0.2052 0.4143 -0.32653 2014 7 4 56842 0.2068 0.4128 -0.32647 2014 7 5 56843 0.2083 0.4112 -0.32638 2014 7 6 56844 0.2098 0.4097 -0.32626 2014 7 7 56845 0.2112 0.4081 -0.32607 2014 7 8 56846 0.2127 0.4065 -0.32581 2014 7 9 56847 0.2141 0.4048 -0.32553 2014 7 10 56848 0.2155 0.4031 -0.32520 2014 7 11 56849 0.2168 0.4015 -0.32492 2014 7 12 56850 0.2181 0.3997 -0.32475 2014 7 13 56851 0.2194 0.3980 -0.32472 2014 7 14 56852 0.2207 0.3963 -0.32485 2014 7 15 56853 0.2220 0.3945 -0.32515 2014 7 16 56854 0.2232 0.3927 -0.32554 2014 7 17 56855 0.2243 0.3909 -0.32593 2014 7 18 56856 0.2255 0.3890 -0.32625 2014 7 19 56857 0.2266 0.3872 -0.32645 2014 7 20 56858 0.2277 0.3853 -0.32652 2014 7 21 56859 0.2287 0.3834 -0.32641 2014 7 22 56860 0.2298 0.3815 -0.32616 2014 7 23 56861 0.2308 0.3796 -0.32577 2014 7 24 56862 0.2317 0.3776 -0.32532 2014 7 25 56863 0.2326 0.3757 -0.32488 2014 7 26 56864 0.2335 0.3737 -0.32448 2014 7 27 56865 0.2344 0.3717 -0.32416 2014 7 28 56866 0.2352 0.3697 -0.32392 2014 7 29 56867 0.2360 0.3677 -0.32386 2014 7 30 56868 0.2367 0.3656 -0.32395 2014 7 31 56869 0.2374 0.3636 -0.32416 2014 8 1 56870 0.2381 0.3615 -0.32444 2014 8 2 56871 0.2387 0.3595 -0.32476 2014 8 3 56872 0.2393 0.3574 -0.32501 2014 8 4 56873 0.2399 0.3553 -0.32516 2014 8 5 56874 0.2404 0.3532 -0.32521 2014 8 6 56875 0.2409 0.3511 -0.32521 2014 8 7 56876 0.2414 0.3489 -0.32519 2014 8 8 56877 0.2418 0.3468 -0.32521 2014 8 9 56878 0.2422 0.3447 -0.32544 2014 8 10 56879 0.2425 0.3425 -0.32589 2014 8 11 56880 0.2428 0.3404 -0.32654 2014 8 12 56881 0.2431 0.3382 -0.32738 2014 8 13 56882 0.2433 0.3361 -0.32832 2014 8 14 56883 0.2435 0.3339 -0.32928 2014 8 15 56884 0.2437 0.3317 -0.33012 2014 8 16 56885 0.2438 0.3295 -0.33072 2014 8 17 56886 0.2439 0.3274 -0.33115 2014 8 18 56887 0.2439 0.3252 -0.33142 2014 8 19 56888 0.2439 0.3230 -0.33155 2014 8 20 56889 0.2438 0.3208 -0.33158 2014 8 21 56890 0.2438 0.3186 -0.33156 2014 8 22 56891 0.2436 0.3164 -0.33159 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) 56504 -85.71 0.30 -13.28 0.03 56505 -85.95 0.30 -13.30 0.03 56506 -86.37 0.30 -13.27 0.03 56507 -86.64 0.30 -13.28 0.01 56508 -86.65 0.30 -13.27 0.01 56509 -86.56 0.30 -13.18 0.01 56510 -86.52 0.56 -13.03 0.11 56511 -86.58 0.30 -12.94 0.07 56512 -86.78 0.30 -12.98 0.07 56513 -87.14 0.30 -13.10 0.07 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56504 -0.122 0.119 -0.152 0.030 56505 -0.151 0.119 -0.127 0.030 56506 -0.184 0.119 -0.083 0.030 56507 -0.208 0.119 -0.071 0.010 56508 -0.226 0.119 -0.065 0.010 56509 -0.256 0.119 -0.066 0.010 56510 -0.297 0.223 -0.072 0.110 56511 -0.337 0.119 -0.093 0.070 56512 -0.376 0.119 -0.119 0.070 56513 -0.430 0.119 -0.137 0.070 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).