********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 19 September 2013 Vol. XXVI No. 038 ______________________________________________________________________ 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 13 56548 0.15875 .00009 0.30996 .00009 0.029472 0.000006 13 9 14 56549 0.15784 .00009 0.30841 .00009 0.028800 0.000013 13 9 15 56550 0.15736 .00009 0.30699 .00009 0.028018 0.000014 13 9 16 56551 0.15707 .00009 0.30599 .00009 0.027087 0.000010 13 9 17 56552 0.15647 .00009 0.30554 .00009 0.025975 0.000010 13 9 18 56553 0.15535 .00009 0.30530 .00009 0.024676 0.000010 13 9 19 56554 0.15396 .00009 0.30481 .00010 0.023305 0.000010 _______________________________________________________________________ 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 + 0.1049 cos A - 0.0401 sin A - 0.0475 cos C - 0.0049 sin C y = 0.3451 - 0.0330 cos A - 0.0956 sin A - 0.0049 cos C + 0.0475 sin C UT1-UTC = -0.0164 - 0.00105 (MJD - 56562) - (UT2-UT1) where A = 2*pi*(MJD-56554)/365.25 and C = 2*pi*(MJD-56554)/435. TAI-UTC(MJD 56555) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56554)**0.80 S t = 0.00025 (MJD-56554)**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 20 56555 0.1527 0.3041 0.02199 2013 9 21 56556 0.1514 0.3030 0.02079 2013 9 22 56557 0.1503 0.3019 0.01975 2013 9 23 56558 0.1494 0.3008 0.01885 2013 9 24 56559 0.1485 0.2997 0.01805 2013 9 25 56560 0.1476 0.2987 0.01734 2013 9 26 56561 0.1467 0.2977 0.01669 2013 9 27 56562 0.1458 0.2969 0.01607 2013 9 28 56563 0.1449 0.2960 0.01540 2013 9 29 56564 0.1440 0.2952 0.01466 2013 9 30 56565 0.1429 0.2944 0.01382 2013 10 1 56566 0.1419 0.2936 0.01284 2013 10 2 56567 0.1409 0.2928 0.01171 2013 10 3 56568 0.1399 0.2920 0.01045 2013 10 4 56569 0.1389 0.2912 0.00910 2013 10 5 56570 0.1379 0.2904 0.00770 2013 10 6 56571 0.1369 0.2897 0.00632 2013 10 7 56572 0.1359 0.2890 0.00500 2013 10 8 56573 0.1349 0.2883 0.00377 2013 10 9 56574 0.1338 0.2876 0.00262 2013 10 10 56575 0.1327 0.2869 0.00152 2013 10 11 56576 0.1316 0.2862 0.00040 2013 10 12 56577 0.1305 0.2856 -0.00080 2013 10 13 56578 0.1294 0.2849 -0.00212 2013 10 14 56579 0.1283 0.2843 -0.00358 2013 10 15 56580 0.1271 0.2837 -0.00515 2013 10 16 56581 0.1260 0.2831 -0.00681 2013 10 17 56582 0.1248 0.2825 -0.00848 2013 10 18 56583 0.1236 0.2820 -0.01011 2013 10 19 56584 0.1225 0.2815 -0.01164 2013 10 20 56585 0.1213 0.2810 -0.01302 2013 10 21 56586 0.1200 0.2805 -0.01426 2013 10 22 56587 0.1188 0.2800 -0.01539 2013 10 23 56588 0.1176 0.2795 -0.01644 2013 10 24 56589 0.1163 0.2791 -0.01745 2013 10 25 56590 0.1151 0.2787 -0.01848 2013 10 26 56591 0.1138 0.2783 -0.01957 2013 10 27 56592 0.1126 0.2779 -0.02075 2013 10 28 56593 0.1113 0.2775 -0.02204 2013 10 29 56594 0.1100 0.2772 -0.02345 2013 10 30 56595 0.1087 0.2769 -0.02499 2013 10 31 56596 0.1074 0.2766 -0.02662 2013 11 1 56597 0.1060 0.2763 -0.02831 2013 11 2 56598 0.1047 0.2760 -0.03002 2013 11 3 56599 0.1034 0.2758 -0.03168 2013 11 4 56600 0.1020 0.2756 -0.03325 2013 11 5 56601 0.1007 0.2754 -0.03472 2013 11 6 56602 0.0993 0.2753 -0.03611 2013 11 7 56603 0.0979 0.2751 -0.03747 2013 11 8 56604 0.0966 0.2750 -0.03885 2013 11 9 56605 0.0952 0.2749 -0.04032 2013 11 10 56606 0.0938 0.2748 -0.04188 2013 11 11 56607 0.0924 0.2748 -0.04354 2013 11 12 56608 0.0910 0.2747 -0.04526 2013 11 13 56609 0.0896 0.2747 -0.04699 2013 11 14 56610 0.0882 0.2748 -0.04867 2013 11 15 56611 0.0868 0.2748 -0.05025 2013 11 16 56612 0.0854 0.2749 -0.05171 2013 11 17 56613 0.0840 0.2750 -0.05302 2013 11 18 56614 0.0826 0.2751 -0.05421 2013 11 19 56615 0.0812 0.2752 -0.05529 2013 11 20 56616 0.0797 0.2754 -0.05631 2013 11 21 56617 0.0783 0.2756 -0.05730 2013 11 22 56618 0.0769 0.2758 -0.05832 2013 11 23 56619 0.0755 0.2760 -0.05938 2013 11 24 56620 0.0741 0.2763 -0.06053 2013 11 25 56621 0.0727 0.2765 -0.06177 2013 11 26 56622 0.0713 0.2769 -0.06310 2013 11 27 56623 0.0699 0.2772 -0.06452 2013 11 28 56624 0.0685 0.2775 -0.06601 2013 11 29 56625 0.0671 0.2779 -0.06753 2013 11 30 56626 0.0657 0.2783 -0.06903 2013 12 1 56627 0.0643 0.2787 -0.07048 2013 12 2 56628 0.0629 0.2792 -0.07184 2013 12 3 56629 0.0615 0.2797 -0.07312 2013 12 4 56630 0.0602 0.2802 -0.07436 2013 12 5 56631 0.0588 0.2807 -0.07562 2013 12 6 56632 0.0574 0.2812 -0.07697 2013 12 7 56633 0.0561 0.2818 -0.07843 2013 12 8 56634 0.0548 0.2824 -0.07999 2013 12 9 56635 0.0534 0.2830 -0.08160 2013 12 10 56636 0.0521 0.2837 -0.08321 2013 12 11 56637 0.0508 0.2843 -0.08476 2013 12 12 56638 0.0495 0.2850 -0.08620 2013 12 13 56639 0.0482 0.2857 -0.08749 2013 12 14 56640 0.0469 0.2864 -0.08865 2013 12 15 56641 0.0456 0.2872 -0.08966 2013 12 16 56642 0.0444 0.2880 -0.09056 2013 12 17 56643 0.0431 0.2888 -0.09139 2013 12 18 56644 0.0419 0.2896 -0.09218 2013 12 19 56645 0.0406 0.2904 -0.09299 2013 12 20 56646 0.0394 0.2913 -0.09384 2013 12 21 56647 0.0382 0.2922 -0.09476 2013 12 22 56648 0.0371 0.2931 -0.09577 2013 12 23 56649 0.0359 0.2940 -0.09689 2013 12 24 56650 0.0347 0.2950 -0.09808 2013 12 25 56651 0.0336 0.2960 -0.09935 2013 12 26 56652 0.0325 0.2969 -0.10065 2013 12 27 56653 0.0314 0.2980 -0.10196 2013 12 28 56654 0.0303 0.2990 -0.10323 2013 12 29 56655 0.0292 0.3000 -0.10443 2013 12 30 56656 0.0282 0.3011 -0.10556 2013 12 31 56657 0.0272 0.3022 -0.10664 2014 1 1 56658 0.0262 0.3033 -0.10773 2014 1 2 56659 0.0252 0.3044 -0.10890 2014 1 3 56660 0.0242 0.3056 -0.11019 2014 1 4 56661 0.0232 0.3067 -0.11162 2014 1 5 56662 0.0223 0.3079 -0.11314 2014 1 6 56663 0.0214 0.3091 -0.11467 2014 1 7 56664 0.0205 0.3103 -0.11616 2014 1 8 56665 0.0197 0.3116 -0.11753 2014 1 9 56666 0.0188 0.3128 -0.11875 2014 1 10 56667 0.0180 0.3141 -0.11983 2014 1 11 56668 0.0172 0.3154 -0.12076 2014 1 12 56669 0.0164 0.3167 -0.12159 2014 1 13 56670 0.0157 0.3180 -0.12233 2014 1 14 56671 0.0149 0.3193 -0.12304 2014 1 15 56672 0.0142 0.3206 -0.12375 2014 1 16 56673 0.0135 0.3220 -0.12452 2014 1 17 56674 0.0129 0.3234 -0.12536 2014 1 18 56675 0.0123 0.3248 -0.12630 2014 1 19 56676 0.0117 0.3261 -0.12734 2014 1 20 56677 0.0111 0.3276 -0.12848 2014 1 21 56678 0.0105 0.3290 -0.12969 2014 1 22 56679 0.0100 0.3304 -0.13095 2014 1 23 56680 0.0095 0.3318 -0.13221 2014 1 24 56681 0.0090 0.3333 -0.13345 2014 1 25 56682 0.0086 0.3348 -0.13465 2014 1 26 56683 0.0081 0.3362 -0.13578 2014 1 27 56684 0.0077 0.3377 -0.13687 2014 1 28 56685 0.0074 0.3392 -0.13796 2014 1 29 56686 0.0070 0.3407 -0.13912 2014 1 30 56687 0.0067 0.3422 -0.14041 2014 1 31 56688 0.0065 0.3437 -0.14187 2014 2 1 56689 0.0062 0.3452 -0.14348 2014 2 2 56690 0.0060 0.3468 -0.14518 2014 2 3 56691 0.0058 0.3483 -0.14688 2014 2 4 56692 0.0056 0.3498 -0.14850 2014 2 5 56693 0.0055 0.3514 -0.14998 2014 2 6 56694 0.0054 0.3529 -0.15130 2014 2 7 56695 0.0053 0.3545 -0.15247 2014 2 8 56696 0.0052 0.3560 -0.15350 2014 2 9 56697 0.0052 0.3576 -0.15445 2014 2 10 56698 0.0052 0.3592 -0.15534 2014 2 11 56699 0.0053 0.3607 -0.15623 2014 2 12 56700 0.0053 0.3623 -0.15717 2014 2 13 56701 0.0054 0.3639 -0.15818 2014 2 14 56702 0.0056 0.3655 -0.15929 2014 2 15 56703 0.0057 0.3670 -0.16050 2014 2 16 56704 0.0059 0.3686 -0.16183 2014 2 17 56705 0.0061 0.3702 -0.16324 2014 2 18 56706 0.0064 0.3717 -0.16471 2014 2 19 56707 0.0067 0.3733 -0.16620 2014 2 20 56708 0.0070 0.3749 -0.16767 2014 2 21 56709 0.0073 0.3764 -0.16909 2014 2 22 56710 0.0077 0.3780 -0.17046 2014 2 23 56711 0.0081 0.3796 -0.17177 2014 2 24 56712 0.0086 0.3811 -0.17307 2014 2 25 56713 0.0090 0.3827 -0.17442 2014 2 26 56714 0.0095 0.3842 -0.17587 2014 2 27 56715 0.0101 0.3858 -0.17749 2014 2 28 56716 0.0106 0.3873 -0.17929 2014 3 1 56717 0.0112 0.3888 -0.18123 2014 3 2 56718 0.0118 0.3903 -0.18325 2014 3 3 56719 0.0125 0.3919 -0.18524 2014 3 4 56720 0.0131 0.3934 -0.18713 2014 3 5 56721 0.0139 0.3949 -0.18887 2014 3 6 56722 0.0146 0.3964 -0.19043 2014 3 7 56723 0.0154 0.3978 -0.19185 2014 3 8 56724 0.0162 0.3993 -0.19315 2014 3 9 56725 0.0170 0.4008 -0.19437 2014 3 10 56726 0.0179 0.4022 -0.19557 2014 3 11 56727 0.0187 0.4036 -0.19679 2014 3 12 56728 0.0197 0.4051 -0.19807 2014 3 13 56729 0.0206 0.4065 -0.19943 2014 3 14 56730 0.0216 0.4079 -0.20091 2014 3 15 56731 0.0226 0.4093 -0.20248 2014 3 16 56732 0.0236 0.4106 -0.20415 2014 3 17 56733 0.0247 0.4120 -0.20589 2014 3 18 56734 0.0258 0.4133 -0.20765 2014 3 19 56735 0.0269 0.4147 -0.20941 2014 3 20 56736 0.0280 0.4160 -0.21111 2014 3 21 56737 0.0292 0.4173 -0.21274 2014 3 22 56738 0.0304 0.4186 -0.21431 2014 3 23 56739 0.0316 0.4198 -0.21584 2014 3 24 56740 0.0328 0.4211 -0.21739 2014 3 25 56741 0.0341 0.4223 -0.21902 2014 3 26 56742 0.0354 0.4235 -0.22079 2014 3 27 56743 0.0367 0.4247 -0.22272 2014 3 28 56744 0.0381 0.4259 -0.22482 2014 3 29 56745 0.0395 0.4270 -0.22703 2014 3 30 56746 0.0409 0.4282 -0.22926 2014 3 31 56747 0.0423 0.4293 -0.23143 2014 4 1 56748 0.0438 0.4304 -0.23346 2014 4 2 56749 0.0452 0.4314 -0.23529 2014 4 3 56750 0.0467 0.4325 -0.23694 2014 4 4 56751 0.0482 0.4335 -0.23843 2014 4 5 56752 0.0498 0.4345 -0.23981 2014 4 6 56753 0.0513 0.4355 -0.24112 2014 4 7 56754 0.0529 0.4365 -0.24241 2014 4 8 56755 0.0545 0.4374 -0.24372 2014 4 9 56756 0.0562 0.4383 -0.24509 2014 4 10 56757 0.0578 0.4392 -0.24654 2014 4 11 56758 0.0595 0.4400 -0.24808 2014 4 12 56759 0.0612 0.4409 -0.24971 2014 4 13 56760 0.0629 0.4417 -0.25142 2014 4 14 56761 0.0646 0.4425 -0.25317 2014 4 15 56762 0.0663 0.4432 -0.25494 2014 4 16 56763 0.0681 0.4440 -0.25667 2014 4 17 56764 0.0699 0.4447 -0.25834 2014 4 18 56765 0.0717 0.4454 -0.25993 2014 4 19 56766 0.0735 0.4460 -0.26147 2014 4 20 56767 0.0753 0.4466 -0.26300 2014 4 21 56768 0.0771 0.4472 -0.26455 2014 4 22 56769 0.0790 0.4478 -0.26617 2014 4 23 56770 0.0809 0.4483 -0.26788 2014 4 24 56771 0.0828 0.4488 -0.26966 2014 4 25 56772 0.0847 0.4493 -0.27152 2014 4 26 56773 0.0866 0.4498 -0.27342 2014 4 27 56774 0.0885 0.4502 -0.27527 2014 4 28 56775 0.0904 0.4506 -0.27700 2014 4 29 56776 0.0924 0.4510 -0.27855 2014 4 30 56777 0.0943 0.4513 -0.27991 2014 5 1 56778 0.0963 0.4516 -0.28109 2014 5 2 56779 0.0983 0.4519 -0.28213 2014 5 3 56780 0.1003 0.4521 -0.28302 2014 5 4 56781 0.1023 0.4523 -0.28381 2014 5 5 56782 0.1043 0.4525 -0.28455 2014 5 6 56783 0.1063 0.4527 -0.28527 2014 5 7 56784 0.1083 0.4528 -0.28606 2014 5 8 56785 0.1103 0.4529 -0.28693 2014 5 9 56786 0.1124 0.4529 -0.28785 2014 5 10 56787 0.1144 0.4530 -0.28879 2014 5 11 56788 0.1164 0.4529 -0.28980 2014 5 12 56789 0.1185 0.4529 -0.29090 2014 5 13 56790 0.1205 0.4528 -0.29203 2014 5 14 56791 0.1226 0.4527 -0.29312 2014 5 15 56792 0.1246 0.4526 -0.29416 2014 5 16 56793 0.1267 0.4524 -0.29513 2014 5 17 56794 0.1287 0.4522 -0.29603 2014 5 18 56795 0.1308 0.4520 -0.29690 2014 5 19 56796 0.1328 0.4517 -0.29783 2014 5 20 56797 0.1349 0.4514 -0.29888 2014 5 21 56798 0.1370 0.4511 -0.30004 2014 5 22 56799 0.1390 0.4507 -0.30130 2014 5 23 56800 0.1411 0.4503 -0.30264 2014 5 24 56801 0.1431 0.4499 -0.30404 2014 5 25 56802 0.1451 0.4495 -0.30544 2014 5 26 56803 0.1472 0.4490 -0.30672 2014 5 27 56804 0.1492 0.4484 -0.30793 2014 5 28 56805 0.1512 0.4479 -0.30904 2014 5 29 56806 0.1533 0.4473 -0.31002 2014 5 30 56807 0.1553 0.4467 -0.31091 2014 5 31 56808 0.1573 0.4460 -0.31183 2014 6 1 56809 0.1593 0.4453 -0.31275 2014 6 2 56810 0.1613 0.4446 -0.31365 2014 6 3 56811 0.1632 0.4439 -0.31454 2014 6 4 56812 0.1652 0.4431 -0.31543 2014 6 5 56813 0.1672 0.4423 -0.31633 2014 6 6 56814 0.1691 0.4414 -0.31724 2014 6 7 56815 0.1711 0.4406 -0.31812 2014 6 8 56816 0.1730 0.4396 -0.31899 2014 6 9 56817 0.1749 0.4387 -0.31985 2014 6 10 56818 0.1768 0.4377 -0.32069 2014 6 11 56819 0.1787 0.4367 -0.32142 2014 6 12 56820 0.1806 0.4357 -0.32200 2014 6 13 56821 0.1824 0.4347 -0.32251 2014 6 14 56822 0.1843 0.4336 -0.32298 2014 6 15 56823 0.1861 0.4324 -0.32343 2014 6 16 56824 0.1879 0.4313 -0.32393 2014 6 17 56825 0.1897 0.4301 -0.32453 2014 6 18 56826 0.1915 0.4289 -0.32525 2014 6 19 56827 0.1932 0.4277 -0.32602 2014 6 20 56828 0.1950 0.4264 -0.32674 2014 6 21 56829 0.1967 0.4251 -0.32735 2014 6 22 56830 0.1984 0.4238 -0.32781 2014 6 23 56831 0.2000 0.4224 -0.32809 2014 6 24 56832 0.2017 0.4211 -0.32823 2014 6 25 56833 0.2033 0.4196 -0.32825 2014 6 26 56834 0.2049 0.4182 -0.32815 2014 6 27 56835 0.2065 0.4168 -0.32796 2014 6 28 56836 0.2081 0.4153 -0.32778 2014 6 29 56837 0.2096 0.4138 -0.32763 2014 6 30 56838 0.2111 0.4122 -0.32750 2014 7 1 56839 0.2126 0.4107 -0.32743 2014 7 2 56840 0.2141 0.4091 -0.32742 2014 7 3 56841 0.2155 0.4075 -0.32739 2014 7 4 56842 0.2169 0.4058 -0.32732 2014 7 5 56843 0.2183 0.4042 -0.32728 2014 7 6 56844 0.2197 0.4025 -0.32729 2014 7 7 56845 0.2210 0.4008 -0.32733 2014 7 8 56846 0.2223 0.3991 -0.32734 2014 7 9 56847 0.2236 0.3973 -0.32730 2014 7 10 56848 0.2248 0.3955 -0.32725 2014 7 11 56849 0.2261 0.3937 -0.32721 2014 7 12 56850 0.2272 0.3919 -0.32724 2014 7 13 56851 0.2284 0.3901 -0.32741 2014 7 14 56852 0.2295 0.3882 -0.32774 2014 7 15 56853 0.2306 0.3864 -0.32822 2014 7 16 56854 0.2317 0.3845 -0.32876 2014 7 17 56855 0.2327 0.3826 -0.32927 2014 7 18 56856 0.2337 0.3806 -0.32971 2014 7 19 56857 0.2347 0.3787 -0.33009 2014 7 20 56858 0.2356 0.3767 -0.33036 2014 7 21 56859 0.2365 0.3748 -0.33051 2014 7 22 56860 0.2374 0.3728 -0.33058 2014 7 23 56861 0.2382 0.3708 -0.33059 2014 7 24 56862 0.2390 0.3687 -0.33055 2014 7 25 56863 0.2397 0.3667 -0.33047 2014 7 26 56864 0.2405 0.3646 -0.33045 2014 7 27 56865 0.2412 0.3626 -0.33048 2014 7 28 56866 0.2418 0.3605 -0.33061 2014 7 29 56867 0.2424 0.3584 -0.33083 2014 7 30 56868 0.2430 0.3563 -0.33113 2014 7 31 56869 0.2436 0.3542 -0.33153 2014 8 1 56870 0.2441 0.3521 -0.33200 2014 8 2 56871 0.2445 0.3499 -0.33250 2014 8 3 56872 0.2450 0.3478 -0.33299 2014 8 4 56873 0.2454 0.3457 -0.33346 2014 8 5 56874 0.2457 0.3435 -0.33392 2014 8 6 56875 0.2461 0.3413 -0.33431 2014 8 7 56876 0.2463 0.3392 -0.33461 2014 8 8 56877 0.2466 0.3370 -0.33489 2014 8 9 56878 0.2468 0.3348 -0.33526 2014 8 10 56879 0.2470 0.3326 -0.33572 2014 8 11 56880 0.2471 0.3304 -0.33630 2014 8 12 56881 0.2472 0.3282 -0.33697 2014 8 13 56882 0.2472 0.3260 -0.33762 2014 8 14 56883 0.2473 0.3238 -0.33817 2014 8 15 56884 0.2472 0.3216 -0.33862 2014 8 16 56885 0.2472 0.3194 -0.33898 2014 8 17 56886 0.2471 0.3172 -0.33921 2014 8 18 56887 0.2469 0.3149 -0.33929 2014 8 19 56888 0.2467 0.3127 -0.33932 2014 8 20 56889 0.2465 0.3105 -0.33929 2014 8 21 56890 0.2463 0.3083 -0.33919 2014 8 22 56891 0.2460 0.3061 -0.33910 2014 8 23 56892 0.2456 0.3039 -0.33909 2014 8 24 56893 0.2452 0.3017 -0.33913 2014 8 25 56894 0.2448 0.2995 -0.33925 2014 8 26 56895 0.2444 0.2973 -0.33942 2014 8 27 56896 0.2439 0.2951 -0.33965 2014 8 28 56897 0.2433 0.2930 -0.33993 2014 8 29 56898 0.2427 0.2908 -0.34022 2014 8 30 56899 0.2421 0.2886 -0.34046 2014 8 31 56900 0.2415 0.2865 -0.34064 2014 9 1 56901 0.2408 0.2843 -0.34075 2014 9 2 56902 0.2400 0.2822 -0.34079 2014 9 3 56903 0.2393 0.2800 -0.34086 2014 9 4 56904 0.2385 0.2779 -0.34097 2014 9 5 56905 0.2376 0.2758 -0.34122 2014 9 6 56906 0.2367 0.2737 -0.34170 2014 9 7 56907 0.2358 0.2716 -0.34238 2014 9 8 56908 0.2348 0.2695 -0.34328 2014 9 9 56909 0.2338 0.2675 -0.34435 2014 9 10 56910 0.2328 0.2654 -0.34547 2014 9 11 56911 0.2317 0.2634 -0.34656 2014 9 12 56912 0.2306 0.2614 -0.34751 2014 9 13 56913 0.2294 0.2594 -0.34832 2014 9 14 56914 0.2282 0.2574 -0.34900 2014 9 15 56915 0.2270 0.2554 -0.34953 2014 9 16 56916 0.2258 0.2535 -0.34995 2014 9 17 56917 0.2245 0.2515 -0.35031 2014 9 18 56918 0.2231 0.2496 -0.35067 2014 9 19 56919 0.2218 0.2477 -0.35110 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) 56540 -88.45 0.23 -13.08 0.07 56541 -88.60 0.23 -13.01 0.07 56542 -88.89 0.23 -12.89 0.07 56543 -89.15 0.19 -12.78 0.04 56544 -89.20 0.19 -12.70 0.04 56545 -89.03 0.30 -12.64 0.01 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56540 -0.250 0.091 -0.136 0.070 56541 -0.268 0.091 -0.124 0.070 56542 -0.284 0.091 -0.100 0.070 56543 -0.285 0.076 -0.091 0.040 56544 -0.273 0.076 -0.076 0.040 56545 -0.258 0.119 -0.033 0.010 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).