********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 3 October 2013 Vol. XXVI No. 040 ______________________________________________________________________ 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 27 56562 0.14088 .00009 0.29800 .00009 0.015447 0.000017 13 9 28 56563 0.13948 .00009 0.29722 .00009 0.014750 0.000019 13 9 29 56564 0.13766 .00009 0.29626 .00009 0.014018 0.000012 13 9 30 56565 0.13544 .00009 0.29521 .00009 0.013192 0.000005 13 10 1 56566 0.13311 .00009 0.29413 .00009 0.012245 0.000004 13 10 2 56567 0.13111 .00009 0.29300 .00009 0.011185 0.000004 13 10 3 56568 0.12948 .00009 0.29196 .00009 0.010020 0.000055 IERS Final Values MJD x y UT1-UTC " " s 13 8 2 56506 0.1714 0.3599 0.05087 13 8 3 56507 0.1718 0.3588 0.05089 13 8 4 56508 0.1722 0.3575 0.05089 13 8 5 56509 0.1724 0.3563 0.05087 13 8 6 56510 0.1726 0.3553 0.05077 13 8 7 56511 0.1728 0.3543 0.05056 13 8 8 56512 0.1734 0.3534 0.05024 13 8 9 56513 0.1737 0.3529 0.04983 13 8 10 56514 0.1739 0.3521 0.04934 13 8 11 56515 0.1740 0.3513 0.04879 13 8 12 56516 0.1738 0.3502 0.04827 13 8 13 56517 0.1737 0.3489 0.04779 13 8 14 56518 0.1737 0.3478 0.04740 13 8 15 56519 0.1737 0.3464 0.04706 13 8 16 56520 0.1736 0.3452 0.04675 13 8 17 56521 0.1734 0.3439 0.04642 13 8 18 56522 0.1733 0.3429 0.04597 13 8 19 56523 0.1732 0.3419 0.04540 13 8 20 56524 0.1731 0.3407 0.04468 13 8 21 56525 0.1724 0.3394 0.04383 13 8 22 56526 0.1717 0.3378 0.04295 13 8 23 56527 0.1706 0.3364 0.04208 13 8 24 56528 0.1698 0.3349 0.04127 13 8 25 56529 0.1692 0.3336 0.04058 13 8 26 56530 0.1689 0.3322 0.04000 13 8 27 56531 0.1685 0.3307 0.03953 13 8 28 56532 0.1684 0.3294 0.03917 13 8 29 56533 0.1682 0.3283 0.03890 13 8 30 56534 0.1677 0.3271 0.03868 13 8 31 56535 0.1666 0.3257 0.03846 13 9 1 56536 0.1659 0.3241 0.03821 _______________________________________________________________________ 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 = 0.0883 + 0.0924 cos A - 0.0663 sin A - 0.0495 cos C + 0.0063 sin C y = 0.3440 - 0.0573 cos A - 0.0857 sin A + 0.0063 cos C + 0.0495 sin C UT1-UTC = -0.0272 - 0.00105 (MJD - 56576) - (UT2-UT1) where A = 2*pi*(MJD-56568)/365.25 and C = 2*pi*(MJD-56568)/435. TAI-UTC(MJD 56569) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56568)**0.80 S t = 0.00025 (MJD-56568)**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 10 4 56569 0.1281 0.2910 0.00877 2013 10 5 56570 0.1267 0.2902 0.00748 2013 10 6 56571 0.1255 0.2895 0.00620 2013 10 7 56572 0.1243 0.2888 0.00494 2013 10 8 56573 0.1230 0.2882 0.00375 2013 10 9 56574 0.1217 0.2877 0.00263 2013 10 10 56575 0.1203 0.2872 0.00158 2013 10 11 56576 0.1190 0.2866 0.00054 2013 10 12 56577 0.1176 0.2861 -0.00058 2013 10 13 56578 0.1163 0.2856 -0.00183 2013 10 14 56579 0.1150 0.2851 -0.00320 2013 10 15 56580 0.1136 0.2846 -0.00466 2013 10 16 56581 0.1123 0.2842 -0.00619 2013 10 17 56582 0.1110 0.2839 -0.00774 2013 10 18 56583 0.1097 0.2836 -0.00924 2013 10 19 56584 0.1084 0.2833 -0.01067 2013 10 20 56585 0.1071 0.2830 -0.01199 2013 10 21 56586 0.1058 0.2827 -0.01317 2013 10 22 56587 0.1045 0.2824 -0.01422 2013 10 23 56588 0.1032 0.2821 -0.01520 2013 10 24 56589 0.1019 0.2818 -0.01614 2013 10 25 56590 0.1006 0.2816 -0.01707 2013 10 26 56591 0.0993 0.2814 -0.01806 2013 10 27 56592 0.0980 0.2812 -0.01912 2013 10 28 56593 0.0967 0.2811 -0.02030 2013 10 29 56594 0.0954 0.2810 -0.02160 2013 10 30 56595 0.0941 0.2809 -0.02302 2013 10 31 56596 0.0928 0.2808 -0.02454 2013 11 1 56597 0.0914 0.2807 -0.02613 2013 11 2 56598 0.0901 0.2807 -0.02773 2013 11 3 56599 0.0888 0.2806 -0.02929 2013 11 4 56600 0.0875 0.2806 -0.03076 2013 11 5 56601 0.0862 0.2806 -0.03213 2013 11 6 56602 0.0849 0.2807 -0.03342 2013 11 7 56603 0.0836 0.2807 -0.03469 2013 11 8 56604 0.0823 0.2808 -0.03601 2013 11 9 56605 0.0810 0.2809 -0.03742 2013 11 10 56606 0.0796 0.2810 -0.03894 2013 11 11 56607 0.0783 0.2812 -0.04056 2013 11 12 56608 0.0770 0.2813 -0.04223 2013 11 13 56609 0.0757 0.2815 -0.04392 2013 11 14 56610 0.0744 0.2817 -0.04556 2013 11 15 56611 0.0731 0.2820 -0.04710 2013 11 16 56612 0.0717 0.2822 -0.04852 2013 11 17 56613 0.0704 0.2825 -0.04980 2013 11 18 56614 0.0691 0.2828 -0.05095 2013 11 19 56615 0.0678 0.2831 -0.05200 2013 11 20 56616 0.0665 0.2835 -0.05299 2013 11 21 56617 0.0652 0.2838 -0.05396 2013 11 22 56618 0.0639 0.2842 -0.05495 2013 11 23 56619 0.0626 0.2846 -0.05601 2013 11 24 56620 0.0614 0.2850 -0.05715 2013 11 25 56621 0.0601 0.2855 -0.05840 2013 11 26 56622 0.0588 0.2860 -0.05975 2013 11 27 56623 0.0575 0.2865 -0.06120 2013 11 28 56624 0.0563 0.2870 -0.06270 2013 11 29 56625 0.0550 0.2875 -0.06422 2013 11 30 56626 0.0538 0.2881 -0.06572 2013 12 1 56627 0.0525 0.2887 -0.06715 2013 12 2 56628 0.0513 0.2893 -0.06848 2013 12 3 56629 0.0500 0.2899 -0.06973 2013 12 4 56630 0.0488 0.2905 -0.07094 2013 12 5 56631 0.0476 0.2912 -0.07217 2013 12 6 56632 0.0464 0.2919 -0.07349 2013 12 7 56633 0.0452 0.2926 -0.07493 2013 12 8 56634 0.0440 0.2933 -0.07647 2013 12 9 56635 0.0429 0.2941 -0.07806 2013 12 10 56636 0.0417 0.2949 -0.07965 2013 12 11 56637 0.0406 0.2957 -0.08118 2013 12 12 56638 0.0394 0.2965 -0.08259 2013 12 13 56639 0.0383 0.2973 -0.08386 2013 12 14 56640 0.0372 0.2982 -0.08498 2013 12 15 56641 0.0361 0.2991 -0.08595 2013 12 16 56642 0.0350 0.3000 -0.08681 2013 12 17 56643 0.0339 0.3009 -0.08759 2013 12 18 56644 0.0329 0.3018 -0.08833 2013 12 19 56645 0.0318 0.3028 -0.08909 2013 12 20 56646 0.0308 0.3038 -0.08990 2013 12 21 56647 0.0298 0.3048 -0.09079 2013 12 22 56648 0.0288 0.3058 -0.09178 2013 12 23 56649 0.0278 0.3068 -0.09287 2013 12 24 56650 0.0269 0.3079 -0.09405 2013 12 25 56651 0.0259 0.3089 -0.09531 2013 12 26 56652 0.0250 0.3100 -0.09660 2013 12 27 56653 0.0241 0.3111 -0.09790 2013 12 28 56654 0.0232 0.3122 -0.09917 2013 12 29 56655 0.0224 0.3134 -0.10037 2013 12 30 56656 0.0215 0.3145 -0.10151 2013 12 31 56657 0.0207 0.3157 -0.10260 2014 1 1 56658 0.0199 0.3169 -0.10370 2014 1 2 56659 0.0191 0.3181 -0.10489 2014 1 3 56660 0.0183 0.3193 -0.10619 2014 1 4 56661 0.0176 0.3206 -0.10764 2014 1 5 56662 0.0168 0.3218 -0.10917 2014 1 6 56663 0.0161 0.3231 -0.11073 2014 1 7 56664 0.0155 0.3244 -0.11224 2014 1 8 56665 0.0148 0.3257 -0.11363 2014 1 9 56666 0.0142 0.3270 -0.11488 2014 1 10 56667 0.0136 0.3283 -0.11597 2014 1 11 56668 0.0130 0.3297 -0.11692 2014 1 12 56669 0.0124 0.3310 -0.11775 2014 1 13 56670 0.0119 0.3324 -0.11850 2014 1 14 56671 0.0114 0.3337 -0.11922 2014 1 15 56672 0.0109 0.3351 -0.11994 2014 1 16 56673 0.0104 0.3365 -0.12071 2014 1 17 56674 0.0100 0.3379 -0.12157 2014 1 18 56675 0.0096 0.3393 -0.12251 2014 1 19 56676 0.0092 0.3408 -0.12356 2014 1 20 56677 0.0088 0.3422 -0.12468 2014 1 21 56678 0.0085 0.3437 -0.12587 2014 1 22 56679 0.0082 0.3451 -0.12711 2014 1 23 56680 0.0079 0.3466 -0.12835 2014 1 24 56681 0.0076 0.3480 -0.12958 2014 1 25 56682 0.0074 0.3495 -0.13075 2014 1 26 56683 0.0072 0.3510 -0.13187 2014 1 27 56684 0.0070 0.3525 -0.13294 2014 1 28 56685 0.0069 0.3540 -0.13403 2014 1 29 56686 0.0068 0.3555 -0.13518 2014 1 30 56687 0.0067 0.3570 -0.13647 2014 1 31 56688 0.0066 0.3585 -0.13792 2014 2 1 56689 0.0066 0.3600 -0.13953 2014 2 2 56690 0.0066 0.3616 -0.14123 2014 2 3 56691 0.0066 0.3631 -0.14294 2014 2 4 56692 0.0067 0.3646 -0.14457 2014 2 5 56693 0.0067 0.3662 -0.14605 2014 2 6 56694 0.0069 0.3677 -0.14738 2014 2 7 56695 0.0070 0.3692 -0.14855 2014 2 8 56696 0.0072 0.3708 -0.14960 2014 2 9 56697 0.0074 0.3723 -0.15055 2014 2 10 56698 0.0076 0.3738 -0.15146 2014 2 11 56699 0.0079 0.3754 -0.15236 2014 2 12 56700 0.0082 0.3769 -0.15331 2014 2 13 56701 0.0085 0.3785 -0.15433 2014 2 14 56702 0.0088 0.3800 -0.15546 2014 2 15 56703 0.0092 0.3815 -0.15669 2014 2 16 56704 0.0096 0.3830 -0.15802 2014 2 17 56705 0.0101 0.3846 -0.15945 2014 2 18 56706 0.0105 0.3861 -0.16093 2014 2 19 56707 0.0110 0.3876 -0.16242 2014 2 20 56708 0.0115 0.3891 -0.16390 2014 2 21 56709 0.0121 0.3906 -0.16533 2014 2 22 56710 0.0127 0.3921 -0.16669 2014 2 23 56711 0.0133 0.3936 -0.16800 2014 2 24 56712 0.0140 0.3951 -0.16929 2014 2 25 56713 0.0146 0.3966 -0.17063 2014 2 26 56714 0.0153 0.3981 -0.17208 2014 2 27 56715 0.0161 0.3996 -0.17368 2014 2 28 56716 0.0168 0.4010 -0.17547 2014 3 1 56717 0.0176 0.4025 -0.17740 2014 3 2 56718 0.0185 0.4039 -0.17940 2014 3 3 56719 0.0193 0.4053 -0.18138 2014 3 4 56720 0.0202 0.4068 -0.18325 2014 3 5 56721 0.0211 0.4082 -0.18497 2014 3 6 56722 0.0220 0.4096 -0.18652 2014 3 7 56723 0.0230 0.4110 -0.18792 2014 3 8 56724 0.0240 0.4123 -0.18921 2014 3 9 56725 0.0250 0.4137 -0.19042 2014 3 10 56726 0.0261 0.4150 -0.19160 2014 3 11 56727 0.0272 0.4164 -0.19281 2014 3 12 56728 0.0283 0.4177 -0.19407 2014 3 13 56729 0.0294 0.4190 -0.19542 2014 3 14 56730 0.0306 0.4203 -0.19688 2014 3 15 56731 0.0317 0.4216 -0.19844 2014 3 16 56732 0.0330 0.4228 -0.20010 2014 3 17 56733 0.0342 0.4241 -0.20182 2014 3 18 56734 0.0355 0.4253 -0.20357 2014 3 19 56735 0.0368 0.4265 -0.20531 2014 3 20 56736 0.0381 0.4277 -0.20699 2014 3 21 56737 0.0394 0.4289 -0.20861 2014 3 22 56738 0.0408 0.4300 -0.21015 2014 3 23 56739 0.0422 0.4312 -0.21164 2014 3 24 56740 0.0436 0.4323 -0.21315 2014 3 25 56741 0.0451 0.4334 -0.21472 2014 3 26 56742 0.0465 0.4344 -0.21642 2014 3 27 56743 0.0480 0.4355 -0.21828 2014 3 28 56744 0.0495 0.4365 -0.22029 2014 3 29 56745 0.0511 0.4375 -0.22241 2014 3 30 56746 0.0526 0.4385 -0.22456 2014 3 31 56747 0.0542 0.4395 -0.22665 2014 4 1 56748 0.0558 0.4404 -0.22862 2014 4 2 56749 0.0574 0.4414 -0.23042 2014 4 3 56750 0.0591 0.4423 -0.23206 2014 4 4 56751 0.0607 0.4431 -0.23356 2014 4 5 56752 0.0624 0.4440 -0.23496 2014 4 6 56753 0.0641 0.4448 -0.23632 2014 4 7 56754 0.0659 0.4456 -0.23767 2014 4 8 56755 0.0676 0.4464 -0.23907 2014 4 9 56756 0.0694 0.4471 -0.24054 2014 4 10 56757 0.0711 0.4478 -0.24211 2014 4 11 56758 0.0729 0.4485 -0.24378 2014 4 12 56759 0.0748 0.4492 -0.24555 2014 4 13 56760 0.0766 0.4499 -0.24738 2014 4 14 56761 0.0784 0.4505 -0.24925 2014 4 15 56762 0.0803 0.4511 -0.25110 2014 4 16 56763 0.0822 0.4516 -0.25288 2014 4 17 56764 0.0841 0.4521 -0.25455 2014 4 18 56765 0.0860 0.4526 -0.25610 2014 4 19 56766 0.0879 0.4531 -0.25756 2014 4 20 56767 0.0898 0.4536 -0.25896 2014 4 21 56768 0.0918 0.4540 -0.26038 2014 4 22 56769 0.0937 0.4544 -0.26189 2014 4 23 56770 0.0957 0.4547 -0.26351 2014 4 24 56771 0.0977 0.4551 -0.26527 2014 4 25 56772 0.0997 0.4554 -0.26713 2014 4 26 56773 0.1017 0.4556 -0.26904 2014 4 27 56774 0.1037 0.4559 -0.27091 2014 4 28 56775 0.1057 0.4561 -0.27268 2014 4 29 56776 0.1078 0.4562 -0.27428 2014 4 30 56777 0.1098 0.4564 -0.27568 2014 5 1 56778 0.1118 0.4565 -0.27690 2014 5 2 56779 0.1139 0.4566 -0.27798 2014 5 3 56780 0.1160 0.4566 -0.27897 2014 5 4 56781 0.1180 0.4567 -0.27992 2014 5 5 56782 0.1201 0.4566 -0.28091 2014 5 6 56783 0.1222 0.4566 -0.28196 2014 5 7 56784 0.1242 0.4565 -0.28310 2014 5 8 56785 0.1263 0.4564 -0.28432 2014 5 9 56786 0.1284 0.4563 -0.28563 2014 5 10 56787 0.1305 0.4561 -0.28699 2014 5 11 56788 0.1326 0.4559 -0.28838 2014 5 12 56789 0.1347 0.4556 -0.28978 2014 5 13 56790 0.1368 0.4554 -0.29113 2014 5 14 56791 0.1389 0.4551 -0.29244 2014 5 15 56792 0.1410 0.4547 -0.29371 2014 5 16 56793 0.1430 0.4544 -0.29491 2014 5 17 56794 0.1451 0.4540 -0.29610 2014 5 18 56795 0.1472 0.4535 -0.29729 2014 5 19 56796 0.1493 0.4531 -0.29854 2014 5 20 56797 0.1514 0.4526 -0.29984 2014 5 21 56798 0.1534 0.4520 -0.30115 2014 5 22 56799 0.1555 0.4515 -0.30250 2014 5 23 56800 0.1576 0.4509 -0.30391 2014 5 24 56801 0.1596 0.4502 -0.30527 2014 5 25 56802 0.1617 0.4496 -0.30652 2014 5 26 56803 0.1637 0.4489 -0.30762 2014 5 27 56804 0.1658 0.4481 -0.30853 2014 5 28 56805 0.1678 0.4474 -0.30924 2014 5 29 56806 0.1698 0.4466 -0.30981 2014 5 30 56807 0.1718 0.4458 -0.31026 2014 5 31 56808 0.1738 0.4449 -0.31060 2014 6 1 56809 0.1758 0.4440 -0.31085 2014 6 2 56810 0.1778 0.4431 -0.31107 2014 6 3 56811 0.1797 0.4421 -0.31130 2014 6 4 56812 0.1817 0.4411 -0.31159 2014 6 5 56813 0.1836 0.4401 -0.31196 2014 6 6 56814 0.1856 0.4391 -0.31236 2014 6 7 56815 0.1875 0.4380 -0.31276 2014 6 8 56816 0.1894 0.4369 -0.31321 2014 6 9 56817 0.1912 0.4358 -0.31373 2014 6 10 56818 0.1931 0.4346 -0.31426 2014 6 11 56819 0.1949 0.4334 -0.31475 2014 6 12 56820 0.1968 0.4322 -0.31520 2014 6 13 56821 0.1986 0.4309 -0.31560 2014 6 14 56822 0.2004 0.4296 -0.31598 2014 6 15 56823 0.2021 0.4283 -0.31639 2014 6 16 56824 0.2039 0.4269 -0.31690 2014 6 17 56825 0.2056 0.4256 -0.31755 2014 6 18 56826 0.2073 0.4242 -0.31830 2014 6 19 56827 0.2090 0.4227 -0.31909 2014 6 20 56828 0.2107 0.4213 -0.31992 2014 6 21 56829 0.2123 0.4198 -0.32074 2014 6 22 56830 0.2140 0.4183 -0.32152 2014 6 23 56831 0.2156 0.4167 -0.32216 2014 6 24 56832 0.2171 0.4151 -0.32273 2014 6 25 56833 0.2187 0.4135 -0.32323 2014 6 26 56834 0.2202 0.4119 -0.32364 2014 6 27 56835 0.2217 0.4103 -0.32399 2014 6 28 56836 0.2232 0.4086 -0.32442 2014 6 29 56837 0.2246 0.4069 -0.32487 2014 6 30 56838 0.2261 0.4052 -0.32535 2014 7 1 56839 0.2275 0.4034 -0.32582 2014 7 2 56840 0.2288 0.4017 -0.32631 2014 7 3 56841 0.2302 0.3999 -0.32680 2014 7 4 56842 0.2315 0.3981 -0.32730 2014 7 5 56843 0.2328 0.3962 -0.32775 2014 7 6 56844 0.2340 0.3944 -0.32817 2014 7 7 56845 0.2352 0.3925 -0.32859 2014 7 8 56846 0.2364 0.3906 -0.32898 2014 7 9 56847 0.2376 0.3887 -0.32927 2014 7 10 56848 0.2387 0.3867 -0.32945 2014 7 11 56849 0.2398 0.3848 -0.32961 2014 7 12 56850 0.2409 0.3828 -0.32979 2014 7 13 56851 0.2419 0.3808 -0.33001 2014 7 14 56852 0.2429 0.3788 -0.33033 2014 7 15 56853 0.2438 0.3767 -0.33078 2014 7 16 56854 0.2448 0.3747 -0.33133 2014 7 17 56855 0.2457 0.3726 -0.33191 2014 7 18 56856 0.2465 0.3705 -0.33239 2014 7 19 56857 0.2474 0.3684 -0.33273 2014 7 20 56858 0.2481 0.3663 -0.33289 2014 7 21 56859 0.2489 0.3642 -0.33287 2014 7 22 56860 0.2496 0.3620 -0.33273 2014 7 23 56861 0.2503 0.3598 -0.33250 2014 7 24 56862 0.2509 0.3577 -0.33221 2014 7 25 56863 0.2516 0.3555 -0.33187 2014 7 26 56864 0.2521 0.3533 -0.33158 2014 7 27 56865 0.2527 0.3511 -0.33136 2014 7 28 56866 0.2532 0.3489 -0.33119 2014 7 29 56867 0.2536 0.3466 -0.33109 2014 7 30 56868 0.2540 0.3444 -0.33106 2014 7 31 56869 0.2544 0.3422 -0.33101 2014 8 1 56870 0.2548 0.3399 -0.33091 2014 8 2 56871 0.2551 0.3376 -0.33084 2014 8 3 56872 0.2553 0.3354 -0.33081 2014 8 4 56873 0.2556 0.3331 -0.33080 2014 8 5 56874 0.2558 0.3308 -0.33077 2014 8 6 56875 0.2559 0.3285 -0.33072 2014 8 7 56876 0.2560 0.3262 -0.33069 2014 8 8 56877 0.2561 0.3239 -0.33074 2014 8 9 56878 0.2561 0.3216 -0.33091 2014 8 10 56879 0.2561 0.3193 -0.33128 2014 8 11 56880 0.2561 0.3170 -0.33185 2014 8 12 56881 0.2560 0.3147 -0.33258 2014 8 13 56882 0.2558 0.3124 -0.33336 2014 8 14 56883 0.2557 0.3101 -0.33409 2014 8 15 56884 0.2555 0.3078 -0.33472 2014 8 16 56885 0.2552 0.3055 -0.33527 2014 8 17 56886 0.2549 0.3032 -0.33570 2014 8 18 56887 0.2546 0.3008 -0.33603 2014 8 19 56888 0.2542 0.2985 -0.33630 2014 8 20 56889 0.2538 0.2962 -0.33654 2014 8 21 56890 0.2533 0.2939 -0.33678 2014 8 22 56891 0.2529 0.2917 -0.33702 2014 8 23 56892 0.2523 0.2894 -0.33735 2014 8 24 56893 0.2517 0.2871 -0.33776 2014 8 25 56894 0.2511 0.2848 -0.33828 2014 8 26 56895 0.2505 0.2825 -0.33891 2014 8 27 56896 0.2498 0.2803 -0.33961 2014 8 28 56897 0.2490 0.2780 -0.34040 2014 8 29 56898 0.2483 0.2758 -0.34125 2014 8 30 56899 0.2474 0.2736 -0.34211 2014 8 31 56900 0.2466 0.2713 -0.34295 2014 9 1 56901 0.2457 0.2691 -0.34376 2014 9 2 56902 0.2448 0.2669 -0.34457 2014 9 3 56903 0.2438 0.2647 -0.34533 2014 9 4 56904 0.2428 0.2626 -0.34603 2014 9 5 56905 0.2417 0.2604 -0.34676 2014 9 6 56906 0.2406 0.2583 -0.34762 2014 9 7 56907 0.2395 0.2561 -0.34860 2014 9 8 56908 0.2383 0.2540 -0.34971 2014 9 9 56909 0.2371 0.2519 -0.35090 2014 9 10 56910 0.2359 0.2498 -0.35205 2014 9 11 56911 0.2346 0.2478 -0.35307 2014 9 12 56912 0.2332 0.2457 -0.35397 2014 9 13 56913 0.2319 0.2437 -0.35478 2014 9 14 56914 0.2305 0.2417 -0.35545 2014 9 15 56915 0.2290 0.2397 -0.35599 2014 9 16 56916 0.2276 0.2377 -0.35649 2014 9 17 56917 0.2261 0.2358 -0.35697 2014 9 18 56918 0.2245 0.2338 -0.35741 2014 9 19 56919 0.2229 0.2319 -0.35787 2014 9 20 56920 0.2213 0.2300 -0.35842 2014 9 21 56921 0.2197 0.2282 -0.35904 2014 9 22 56922 0.2180 0.2263 -0.35974 2014 9 23 56923 0.2163 0.2245 -0.36048 2014 9 24 56924 0.2145 0.2227 -0.36127 2014 9 25 56925 0.2127 0.2210 -0.36207 2014 9 26 56926 0.2109 0.2192 -0.36287 2014 9 27 56927 0.2091 0.2175 -0.36358 2014 9 28 56928 0.2072 0.2158 -0.36422 2014 9 29 56929 0.2053 0.2142 -0.36477 2014 9 30 56930 0.2033 0.2125 -0.36526 2014 10 1 56931 0.2014 0.2109 -0.36579 2014 10 2 56932 0.1993 0.2094 -0.36639 2014 10 3 56933 0.1973 0.2078 -0.36715 These predictions are based on all announced leap seconds. IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 56506 -86.3 -13.3 56507 -86.5 -13.3 56508 -86.4 -13.3 56509 -86.1 -13.3 56510 -85.9 -13.1 56511 -86.0 -13.0 56512 -86.2 -13.0 56513 -86.6 -13.1 56514 -86.9 -13.2 56515 -87.0 -13.2 56516 -87.0 -13.1 56517 -87.0 -13.0 56518 -87.1 -12.9 56519 -87.4 -12.9 56520 -87.6 -13.2 56521 -87.7 -13.6 56522 -87.7 -13.8 56523 -87.7 -13.8 56524 -87.9 -13.6 56525 -88.1 -13.2 56526 -88.0 -13.1 56527 -87.9 -13.1 56528 -88.2 -13.1 56529 -88.7 -13.1 56530 -88.9 -13.0 56531 -89.0 -13.0 56532 -88.8 -13.1 56533 -88.6 -13.1 56534 -88.6 -13.2 56535 -88.5 -13.2 56536 -88.3 -13.2 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 56506 -0.16 -0.11 56507 -0.15 -0.09 56508 -0.13 -0.10 56509 -0.07 -0.19 56510 -0.05 -0.14 56511 -0.11 -0.15 56512 -0.15 -0.14 56513 -0.21 -0.14 56514 -0.24 -0.16 56515 -0.24 -0.18 56516 -0.25 -0.19 56517 -0.26 -0.22 56518 -0.23 -0.21 56519 -0.22 -0.16 56520 -0.19 -0.25 56521 -0.19 -0.32 56522 -0.18 -0.27 56523 -0.14 -0.31 56524 -0.14 -0.40 56525 -0.18 -0.29 56526 -0.17 -0.28 56527 -0.15 -0.19 56528 -0.20 -0.12 56529 -0.24 -0.13 56530 -0.20 -0.09 56531 -0.24 -0.12 56532 -0.21 -0.18 56533 -0.16 -0.12 56534 -0.16 -0.16 56535 -0.14 -0.12 56536 -0.11 -0.12 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).