********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 1 August 2013 Vol. XXVI No. 031 ______________________________________________________________________ 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 *********************************************************************** * 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 7 26 56499 0.16687 .00009 0.36672 .00009 0.052970 0.000017 13 7 27 56500 0.16770 .00009 0.36562 .00009 0.052337 0.000023 13 7 28 56501 0.16873 .00009 0.36475 .00009 0.051815 0.000022 13 7 29 56502 0.16972 .00009 0.36396 .00009 0.051387 0.000013 13 7 30 56503 0.17057 .00009 0.36295 .00009 0.051090 0.000013 13 7 31 56504 0.17119 .00009 0.36180 .00010 0.050944 0.000012 13 8 1 56505 0.17161 .00009 0.36078 .00010 0.050895 0.000011 IERS Final Values MJD x y UT1-UTC " " s 13 6 2 56445 0.1102 0.4065 0.07321 13 6 3 56446 0.1118 0.4063 0.07253 13 6 4 56447 0.1133 0.4060 0.07191 13 6 5 56448 0.1142 0.4054 0.07143 13 6 6 56449 0.1146 0.4046 0.07107 13 6 7 56450 0.1150 0.4038 0.07078 13 6 8 56451 0.1157 0.4029 0.07061 13 6 9 56452 0.1164 0.4021 0.07051 13 6 10 56453 0.1174 0.4013 0.07040 13 6 11 56454 0.1183 0.4010 0.07023 13 6 12 56455 0.1192 0.4006 0.06999 13 6 13 56456 0.1207 0.4000 0.06965 13 6 14 56457 0.1224 0.3995 0.06916 13 6 15 56458 0.1239 0.3989 0.06853 13 6 16 56459 0.1257 0.3986 0.06781 13 6 17 56460 0.1274 0.3982 0.06699 13 6 18 56461 0.1293 0.3979 0.06613 13 6 19 56462 0.1312 0.3977 0.06528 13 6 20 56463 0.1326 0.3975 0.06449 13 6 21 56464 0.1341 0.3971 0.06377 13 6 22 56465 0.1353 0.3964 0.06317 13 6 23 56466 0.1361 0.3960 0.06263 13 6 24 56467 0.1364 0.3956 0.06204 13 6 25 56468 0.1370 0.3950 0.06138 13 6 26 56469 0.1376 0.3943 0.06063 13 6 27 56470 0.1380 0.3937 0.05984 13 6 28 56471 0.1388 0.3928 0.05905 13 6 29 56472 0.1402 0.3920 0.05833 13 6 30 56473 0.1415 0.3914 0.05776 13 7 1 56474 0.1426 0.3908 0.05737 _______________________________________________________________________ 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 = 0.0985 + 0.0951 cos A + 0.0683 sin A - 0.0219 cos C - 0.0466 sin C y = 0.3470 + 0.0626 cos A - 0.0839 sin A - 0.0466 cos C + 0.0219 sin C UT1-UTC = 0.0298 - 0.00103 (MJD - 56513) - (UT2-UT1) where A = 2*pi*(MJD-56505)/365.25 and C = 2*pi*(MJD-56505)/435. TAI-UTC(MJD 56506) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56505)**0.80 S t = 0.00025 (MJD-56505)**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 2 56506 0.1720 0.3597 0.05090 2013 8 3 56507 0.1723 0.3585 0.05094 2013 8 4 56508 0.1728 0.3574 0.05099 2013 8 5 56509 0.1732 0.3562 0.05100 2013 8 6 56510 0.1737 0.3550 0.05094 2013 8 7 56511 0.1742 0.3538 0.05079 2013 8 8 56512 0.1747 0.3525 0.05054 2013 8 9 56513 0.1751 0.3513 0.05018 2013 8 10 56514 0.1755 0.3501 0.04972 2013 8 11 56515 0.1759 0.3488 0.04918 2013 8 12 56516 0.1763 0.3476 0.04860 2013 8 13 56517 0.1767 0.3463 0.04803 2013 8 14 56518 0.1770 0.3450 0.04751 2013 8 15 56519 0.1774 0.3437 0.04706 2013 8 16 56520 0.1777 0.3424 0.04667 2013 8 17 56521 0.1779 0.3411 0.04629 2013 8 18 56522 0.1782 0.3398 0.04585 2013 8 19 56523 0.1784 0.3384 0.04528 2013 8 20 56524 0.1786 0.3371 0.04453 2013 8 21 56525 0.1788 0.3358 0.04362 2013 8 22 56526 0.1789 0.3345 0.04262 2013 8 23 56527 0.1790 0.3331 0.04160 2013 8 24 56528 0.1791 0.3318 0.04066 2013 8 25 56529 0.1792 0.3304 0.03984 2013 8 26 56530 0.1792 0.3291 0.03920 2013 8 27 56531 0.1792 0.3277 0.03871 2013 8 28 56532 0.1792 0.3264 0.03836 2013 8 29 56533 0.1791 0.3250 0.03810 2013 8 30 56534 0.1791 0.3236 0.03787 2013 8 31 56535 0.1790 0.3223 0.03763 2013 9 1 56536 0.1788 0.3209 0.03731 2013 9 2 56537 0.1787 0.3196 0.03688 2013 9 3 56538 0.1785 0.3182 0.03631 2013 9 4 56539 0.1783 0.3168 0.03559 2013 9 5 56540 0.1780 0.3155 0.03472 2013 9 6 56541 0.1778 0.3141 0.03374 2013 9 7 56542 0.1775 0.3128 0.03269 2013 9 8 56543 0.1771 0.3114 0.03161 2013 9 9 56544 0.1768 0.3101 0.03058 2013 9 10 56545 0.1764 0.3088 0.02963 2013 9 11 56546 0.1760 0.3074 0.02877 2013 9 12 56547 0.1755 0.3061 0.02798 2013 9 13 56548 0.1751 0.3048 0.02723 2013 9 14 56549 0.1746 0.3035 0.02645 2013 9 15 56550 0.1740 0.3022 0.02556 2013 9 16 56551 0.1735 0.3009 0.02451 2013 9 17 56552 0.1729 0.2996 0.02328 2013 9 18 56553 0.1723 0.2983 0.02192 2013 9 19 56554 0.1717 0.2970 0.02047 2013 9 20 56555 0.1710 0.2958 0.01903 2013 9 21 56556 0.1703 0.2945 0.01767 2013 9 22 56557 0.1696 0.2933 0.01643 2013 9 23 56558 0.1688 0.2920 0.01533 2013 9 24 56559 0.1681 0.2908 0.01435 2013 9 25 56560 0.1673 0.2896 0.01347 2013 9 26 56561 0.1665 0.2884 0.01264 2013 9 27 56562 0.1656 0.2872 0.01183 2013 9 28 56563 0.1647 0.2861 0.01098 2013 9 29 56564 0.1638 0.2849 0.01005 2013 9 30 56565 0.1629 0.2838 0.00901 2013 10 1 56566 0.1620 0.2826 0.00784 2013 10 2 56567 0.1610 0.2815 0.00653 2013 10 3 56568 0.1600 0.2804 0.00510 2013 10 4 56569 0.1590 0.2794 0.00358 2013 10 5 56570 0.1579 0.2783 0.00203 2013 10 6 56571 0.1568 0.2772 0.00048 2013 10 7 56572 0.1558 0.2762 -0.00099 2013 10 8 56573 0.1546 0.2752 -0.00236 2013 10 9 56574 0.1535 0.2742 -0.00365 2013 10 10 56575 0.1523 0.2732 -0.00487 2013 10 11 56576 0.1512 0.2723 -0.00611 2013 10 12 56577 0.1500 0.2713 -0.00742 2013 10 13 56578 0.1487 0.2704 -0.00885 2013 10 14 56579 0.1475 0.2695 -0.01041 2013 10 15 56580 0.1462 0.2686 -0.01210 2013 10 16 56581 0.1449 0.2677 -0.01386 2013 10 17 56582 0.1436 0.2669 -0.01563 2013 10 18 56583 0.1423 0.2661 -0.01734 2013 10 19 56584 0.1410 0.2653 -0.01893 2013 10 20 56585 0.1396 0.2645 -0.02038 2013 10 21 56586 0.1382 0.2637 -0.02169 2013 10 22 56587 0.1368 0.2630 -0.02288 2013 10 23 56588 0.1354 0.2623 -0.02399 2013 10 24 56589 0.1340 0.2616 -0.02505 2013 10 25 56590 0.1325 0.2609 -0.02612 2013 10 26 56591 0.1311 0.2603 -0.02724 2013 10 27 56592 0.1296 0.2597 -0.02844 2013 10 28 56593 0.1281 0.2591 -0.02976 2013 10 29 56594 0.1266 0.2585 -0.03119 2013 10 30 56595 0.1250 0.2579 -0.03275 2013 10 31 56596 0.1235 0.2574 -0.03439 2013 11 1 56597 0.1220 0.2569 -0.03610 2013 11 2 56598 0.1204 0.2564 -0.03781 2013 11 3 56599 0.1188 0.2560 -0.03946 2013 11 4 56600 0.1172 0.2556 -0.04102 2013 11 5 56601 0.1156 0.2552 -0.04247 2013 11 6 56602 0.1140 0.2548 -0.04383 2013 11 7 56603 0.1124 0.2544 -0.04515 2013 11 8 56604 0.1108 0.2541 -0.04652 2013 11 9 56605 0.1091 0.2538 -0.04797 2013 11 10 56606 0.1075 0.2536 -0.04952 2013 11 11 56607 0.1058 0.2533 -0.05117 2013 11 12 56608 0.1042 0.2531 -0.05287 2013 11 13 56609 0.1025 0.2529 -0.05458 2013 11 14 56610 0.1008 0.2528 -0.05624 2013 11 15 56611 0.0991 0.2526 -0.05780 2013 11 16 56612 0.0974 0.2525 -0.05924 2013 11 17 56613 0.0957 0.2524 -0.06053 2013 11 18 56614 0.0940 0.2524 -0.06171 2013 11 19 56615 0.0923 0.2524 -0.06278 2013 11 20 56616 0.0906 0.2524 -0.06380 2013 11 21 56617 0.0889 0.2524 -0.06479 2013 11 22 56618 0.0872 0.2524 -0.06580 2013 11 23 56619 0.0855 0.2525 -0.06688 2013 11 24 56620 0.0838 0.2526 -0.06803 2013 11 25 56621 0.0820 0.2528 -0.06929 2013 11 26 56622 0.0803 0.2530 -0.07066 2013 11 27 56623 0.0786 0.2532 -0.07211 2013 11 28 56624 0.0769 0.2534 -0.07363 2013 11 29 56625 0.0752 0.2536 -0.07517 2013 11 30 56626 0.0735 0.2539 -0.07669 2013 12 1 56627 0.0718 0.2542 -0.07815 2013 12 2 56628 0.0700 0.2546 -0.07951 2013 12 3 56629 0.0683 0.2549 -0.08079 2013 12 4 56630 0.0666 0.2553 -0.08202 2013 12 5 56631 0.0650 0.2558 -0.08327 2013 12 6 56632 0.0633 0.2562 -0.08460 2013 12 7 56633 0.0616 0.2567 -0.08603 2013 12 8 56634 0.0599 0.2572 -0.08756 2013 12 9 56635 0.0582 0.2577 -0.08915 2013 12 10 56636 0.0566 0.2583 -0.09072 2013 12 11 56637 0.0549 0.2589 -0.09223 2013 12 12 56638 0.0533 0.2595 -0.09363 2013 12 13 56639 0.0516 0.2601 -0.09489 2013 12 14 56640 0.0500 0.2608 -0.09600 2013 12 15 56641 0.0484 0.2615 -0.09697 2013 12 16 56642 0.0468 0.2622 -0.09783 2013 12 17 56643 0.0452 0.2630 -0.09862 2013 12 18 56644 0.0436 0.2637 -0.09937 2013 12 19 56645 0.0420 0.2645 -0.10014 2013 12 20 56646 0.0405 0.2654 -0.10095 2013 12 21 56647 0.0389 0.2662 -0.10184 2013 12 22 56648 0.0374 0.2671 -0.10281 2013 12 23 56649 0.0359 0.2680 -0.10389 2013 12 24 56650 0.0344 0.2689 -0.10505 2013 12 25 56651 0.0329 0.2699 -0.10628 2013 12 26 56652 0.0314 0.2709 -0.10754 2013 12 27 56653 0.0300 0.2719 -0.10881 2013 12 28 56654 0.0285 0.2729 -0.11003 2013 12 29 56655 0.0271 0.2740 -0.11120 2013 12 30 56656 0.0257 0.2750 -0.11228 2013 12 31 56657 0.0243 0.2761 -0.11333 2014 1 1 56658 0.0230 0.2773 -0.11438 2014 1 2 56659 0.0216 0.2784 -0.11551 2014 1 3 56660 0.0203 0.2796 -0.11676 2014 1 4 56661 0.0190 0.2808 -0.11815 2014 1 5 56662 0.0177 0.2820 -0.11963 2014 1 6 56663 0.0164 0.2832 -0.12114 2014 1 7 56664 0.0152 0.2845 -0.12259 2014 1 8 56665 0.0140 0.2858 -0.12393 2014 1 9 56666 0.0128 0.2871 -0.12513 2014 1 10 56667 0.0116 0.2884 -0.12617 2014 1 11 56668 0.0105 0.2897 -0.12707 2014 1 12 56669 0.0093 0.2911 -0.12786 2014 1 13 56670 0.0082 0.2925 -0.12856 2014 1 14 56671 0.0072 0.2938 -0.12924 2014 1 15 56672 0.0061 0.2953 -0.12992 2014 1 16 56673 0.0051 0.2967 -0.13065 2014 1 17 56674 0.0041 0.2981 -0.13146 2014 1 18 56675 0.0031 0.2996 -0.13237 2014 1 19 56676 0.0022 0.3011 -0.13338 2014 1 20 56677 0.0012 0.3026 -0.13449 2014 1 21 56678 0.0003 0.3041 -0.13568 2014 1 22 56679 -0.0005 0.3057 -0.13692 2014 1 23 56680 -0.0014 0.3072 -0.13817 2014 1 24 56681 -0.0022 0.3088 -0.13939 2014 1 25 56682 -0.0029 0.3103 -0.14057 2014 1 26 56683 -0.0037 0.3119 -0.14170 2014 1 27 56684 -0.0044 0.3135 -0.14279 2014 1 28 56685 -0.0051 0.3152 -0.14388 2014 1 29 56686 -0.0058 0.3168 -0.14505 2014 1 30 56687 -0.0064 0.3184 -0.14635 2014 1 31 56688 -0.0070 0.3201 -0.14783 2014 2 1 56689 -0.0076 0.3217 -0.14946 2014 2 2 56690 -0.0081 0.3234 -0.15119 2014 2 3 56691 -0.0086 0.3251 -0.15294 2014 2 4 56692 -0.0091 0.3268 -0.15460 2014 2 5 56693 -0.0096 0.3285 -0.15613 2014 2 6 56694 -0.0100 0.3302 -0.15749 2014 2 7 56695 -0.0104 0.3319 -0.15869 2014 2 8 56696 -0.0107 0.3337 -0.15976 2014 2 9 56697 -0.0110 0.3354 -0.16071 2014 2 10 56698 -0.0113 0.3371 -0.16160 2014 2 11 56699 -0.0116 0.3389 -0.16246 2014 2 12 56700 -0.0118 0.3407 -0.16332 2014 2 13 56701 -0.0120 0.3424 -0.16424 2014 2 14 56702 -0.0121 0.3442 -0.16522 2014 2 15 56703 -0.0122 0.3459 -0.16630 2014 2 16 56704 -0.0123 0.3477 -0.16749 2014 2 17 56705 -0.0124 0.3495 -0.16877 2014 2 18 56706 -0.0124 0.3513 -0.17015 2014 2 19 56707 -0.0124 0.3530 -0.17160 2014 2 20 56708 -0.0123 0.3548 -0.17309 2014 2 21 56709 -0.0123 0.3566 -0.17459 2014 2 22 56710 -0.0121 0.3584 -0.17610 2014 2 23 56711 -0.0120 0.3602 -0.17762 2014 2 24 56712 -0.0118 0.3619 -0.17916 2014 2 25 56713 -0.0116 0.3637 -0.18078 2014 2 26 56714 -0.0113 0.3655 -0.18250 2014 2 27 56715 -0.0111 0.3673 -0.18437 2014 2 28 56716 -0.0107 0.3690 -0.18637 2014 3 1 56717 -0.0104 0.3708 -0.18847 2014 3 2 56718 -0.0100 0.3726 -0.19058 2014 3 3 56719 -0.0096 0.3743 -0.19265 2014 3 4 56720 -0.0091 0.3761 -0.19459 2014 3 5 56721 -0.0086 0.3778 -0.19636 2014 3 6 56722 -0.0081 0.3796 -0.19793 2014 3 7 56723 -0.0075 0.3813 -0.19931 2014 3 8 56724 -0.0069 0.3830 -0.20055 2014 3 9 56725 -0.0063 0.3848 -0.20166 2014 3 10 56726 -0.0057 0.3865 -0.20269 2014 3 11 56727 -0.0050 0.3882 -0.20373 2014 3 12 56728 -0.0042 0.3899 -0.20484 2014 3 13 56729 -0.0035 0.3916 -0.20606 2014 3 14 56730 -0.0027 0.3932 -0.20737 2014 3 15 56731 -0.0019 0.3949 -0.20877 2014 3 16 56732 -0.0010 0.3965 -0.21024 2014 3 17 56733 -0.0001 0.3982 -0.21177 2014 3 18 56734 0.0008 0.3998 -0.21333 2014 3 19 56735 0.0018 0.4014 -0.21490 2014 3 20 56736 0.0027 0.4030 -0.21640 2014 3 21 56737 0.0038 0.4046 -0.21777 2014 3 22 56738 0.0048 0.4062 -0.21911 2014 3 23 56739 0.0059 0.4077 -0.22040 2014 3 24 56740 0.0070 0.4093 -0.22168 2014 3 25 56741 0.0082 0.4108 -0.22301 2014 3 26 56742 0.0093 0.4123 -0.22446 2014 3 27 56743 0.0105 0.4138 -0.22597 2014 3 28 56744 0.0118 0.4152 -0.22752 2014 3 29 56745 0.0130 0.4167 -0.22920 2014 3 30 56746 0.0143 0.4181 -0.23097 2014 3 31 56747 0.0156 0.4195 -0.23273 2014 4 1 56748 0.0170 0.4209 -0.23438 2014 4 2 56749 0.0184 0.4223 -0.23589 2014 4 3 56750 0.0198 0.4237 -0.23726 2014 4 4 56751 0.0212 0.4250 -0.23849 2014 4 5 56752 0.0227 0.4263 -0.23965 2014 4 6 56753 0.0242 0.4276 -0.24079 2014 4 7 56754 0.0257 0.4289 -0.24193 2014 4 8 56755 0.0272 0.4301 -0.24310 2014 4 9 56756 0.0288 0.4313 -0.24434 2014 4 10 56757 0.0304 0.4325 -0.24560 2014 4 11 56758 0.0320 0.4337 -0.24696 2014 4 12 56759 0.0336 0.4349 -0.24848 2014 4 13 56760 0.0353 0.4360 -0.25013 2014 4 14 56761 0.0370 0.4371 -0.25185 2014 4 15 56762 0.0387 0.4382 -0.25361 2014 4 16 56763 0.0404 0.4392 -0.25536 2014 4 17 56764 0.0422 0.4402 -0.25705 2014 4 18 56765 0.0440 0.4412 -0.25860 2014 4 19 56766 0.0458 0.4422 -0.26012 2014 4 20 56767 0.0476 0.4431 -0.26160 2014 4 21 56768 0.0494 0.4441 -0.26312 2014 4 22 56769 0.0513 0.4449 -0.26475 2014 4 23 56770 0.0532 0.4458 -0.26646 2014 4 24 56771 0.0551 0.4466 -0.26830 2014 4 25 56772 0.0570 0.4474 -0.27031 2014 4 26 56773 0.0589 0.4482 -0.27236 2014 4 27 56774 0.0609 0.4489 -0.27438 2014 4 28 56775 0.0629 0.4497 -0.27632 2014 4 29 56776 0.0649 0.4503 -0.27813 2014 4 30 56777 0.0669 0.4510 -0.27973 2014 5 1 56778 0.0689 0.4516 -0.28109 2014 5 2 56779 0.0709 0.4522 -0.28226 2014 5 3 56780 0.0730 0.4527 -0.28333 2014 5 4 56781 0.0750 0.4533 -0.28428 2014 5 5 56782 0.0771 0.4538 -0.28517 2014 5 6 56783 0.0792 0.4542 -0.28603 2014 5 7 56784 0.0813 0.4547 -0.28688 2014 5 8 56785 0.0834 0.4551 -0.28771 2014 5 9 56786 0.0855 0.4554 -0.28859 2014 5 10 56787 0.0876 0.4557 -0.28963 2014 5 11 56788 0.0898 0.4560 -0.29073 2014 5 12 56789 0.0919 0.4563 -0.29184 2014 5 13 56790 0.0941 0.4565 -0.29296 2014 5 14 56791 0.0962 0.4567 -0.29401 2014 5 15 56792 0.0984 0.4569 -0.29493 2014 5 16 56793 0.1006 0.4570 -0.29574 2014 5 17 56794 0.1028 0.4571 -0.29650 2014 5 18 56795 0.1049 0.4572 -0.29723 2014 5 19 56796 0.1071 0.4572 -0.29801 2014 5 20 56797 0.1093 0.4572 -0.29884 2014 5 21 56798 0.1115 0.4572 -0.29974 2014 5 22 56799 0.1137 0.4571 -0.30070 2014 5 23 56800 0.1159 0.4570 -0.30167 2014 5 24 56801 0.1181 0.4569 -0.30256 2014 5 25 56802 0.1204 0.4567 -0.30332 2014 5 26 56803 0.1226 0.4565 -0.30392 2014 5 27 56804 0.1248 0.4562 -0.30432 2014 5 28 56805 0.1270 0.4560 -0.30461 2014 5 29 56806 0.1292 0.4556 -0.30476 2014 5 30 56807 0.1314 0.4553 -0.30485 2014 5 31 56808 0.1336 0.4549 -0.30497 2014 6 1 56809 0.1358 0.4545 -0.30509 2014 6 2 56810 0.1379 0.4540 -0.30526 2014 6 3 56811 0.1401 0.4536 -0.30551 2014 6 4 56812 0.1423 0.4530 -0.30582 2014 6 5 56813 0.1445 0.4525 -0.30621 2014 6 6 56814 0.1466 0.4519 -0.30665 2014 6 7 56815 0.1488 0.4513 -0.30715 2014 6 8 56816 0.1509 0.4506 -0.30770 2014 6 9 56817 0.1531 0.4499 -0.30821 2014 6 10 56818 0.1552 0.4492 -0.30865 2014 6 11 56819 0.1573 0.4484 -0.30898 2014 6 12 56820 0.1594 0.4476 -0.30923 2014 6 13 56821 0.1615 0.4468 -0.30944 2014 6 14 56822 0.1636 0.4460 -0.30966 2014 6 15 56823 0.1657 0.4451 -0.30994 2014 6 16 56824 0.1678 0.4442 -0.31033 2014 6 17 56825 0.1698 0.4432 -0.31092 2014 6 18 56826 0.1718 0.4422 -0.31166 2014 6 19 56827 0.1738 0.4412 -0.31250 2014 6 20 56828 0.1758 0.4401 -0.31332 2014 6 21 56829 0.1778 0.4391 -0.31407 2014 6 22 56830 0.1798 0.4379 -0.31464 2014 6 23 56831 0.1817 0.4368 -0.31497 2014 6 24 56832 0.1837 0.4356 -0.31509 2014 6 25 56833 0.1856 0.4344 -0.31505 2014 6 26 56834 0.1875 0.4332 -0.31491 2014 6 27 56835 0.1893 0.4319 -0.31470 2014 6 28 56836 0.1912 0.4306 -0.31456 2014 6 29 56837 0.1930 0.4293 -0.31452 2014 6 30 56838 0.1948 0.4279 -0.31453 2014 7 1 56839 0.1966 0.4265 -0.31466 2014 7 2 56840 0.1984 0.4251 -0.31488 2014 7 3 56841 0.2001 0.4237 -0.31521 2014 7 4 56842 0.2018 0.4222 -0.31556 2014 7 5 56843 0.2035 0.4207 -0.31588 2014 7 6 56844 0.2052 0.4192 -0.31617 2014 7 7 56845 0.2068 0.4176 -0.31643 2014 7 8 56846 0.2085 0.4161 -0.31662 2014 7 9 56847 0.2100 0.4145 -0.31670 2014 7 10 56848 0.2116 0.4128 -0.31668 2014 7 11 56849 0.2131 0.4112 -0.31671 2014 7 12 56850 0.2147 0.4095 -0.31678 2014 7 13 56851 0.2161 0.4078 -0.31694 2014 7 14 56852 0.2176 0.4061 -0.31733 2014 7 15 56853 0.2190 0.4043 -0.31790 2014 7 16 56854 0.2204 0.4026 -0.31853 2014 7 17 56855 0.2217 0.4008 -0.31914 2014 7 18 56856 0.2231 0.3989 -0.31972 2014 7 19 56857 0.2244 0.3971 -0.32016 2014 7 20 56858 0.2256 0.3952 -0.32046 2014 7 21 56859 0.2269 0.3934 -0.32059 2014 7 22 56860 0.2281 0.3915 -0.32052 2014 7 23 56861 0.2292 0.3895 -0.32028 2014 7 24 56862 0.2304 0.3876 -0.31993 2014 7 25 56863 0.2315 0.3856 -0.31956 2014 7 26 56864 0.2325 0.3837 -0.31924 2014 7 27 56865 0.2336 0.3817 -0.31901 2014 7 28 56866 0.2346 0.3797 -0.31885 2014 7 29 56867 0.2355 0.3776 -0.31878 2014 7 30 56868 0.2365 0.3756 -0.31880 2014 7 31 56869 0.2374 0.3735 -0.31890 2014 8 1 56870 0.2382 0.3715 -0.31904 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) 56477 -81.53 0.30 -13.36 0.06 56478 -82.04 0.30 -13.40 0.06 56479 -82.29 0.15 -13.52 0.07 56480 -82.21 0.16 -13.62 0.11 56481 -81.99 0.16 -13.55 0.11 56482 -81.85 0.16 -13.35 0.11 56483 -81.92 0.21 -13.22 0.10 56484 -82.22 0.21 -13.26 0.10 56485 -82.54 0.21 -13.37 0.10 56486 -82.63 0.30 -13.41 0.07 56487 -82.49 0.30 -13.31 0.07 56488 -82.44 0.30 -13.14 0.07 56489 -82.74 0.30 -12.96 0.15 56490 -83.35 0.30 -12.80 0.15 56491 -83.94 0.30 -12.71 0.15 56492 -84.25 0.30 -12.79 0.15 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 56445 -76.5 -13.2 56446 -76.3 -13.3 56447 -76.1 -13.3 56448 -76.5 -13.3 56449 -77.1 -13.4 56450 -77.6 -13.5 56451 -77.8 -13.7 56452 -77.6 -13.9 56453 -77.3 -13.8 56454 -77.1 -13.7 56455 -77.4 -13.7 56456 -77.9 -13.6 56457 -78.2 -13.6 56458 -78.1 -13.5 56459 -77.9 -13.4 56460 -78.0 -13.4 56461 -78.5 -13.4 56462 -79.2 -13.2 56463 -79.7 -13.0 56464 -79.9 -12.9 56465 -79.9 -13.1 56466 -79.8 -13.4 56467 -79.7 -13.4 56468 -79.7 -13.3 56469 -79.8 -13.2 56470 -79.9 -13.2 56471 -80.2 -13.2 56472 -80.8 -13.1 56473 -81.2 -13.0 56474 -81.2 -13.2 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56477 -0.044 0.119 -0.230 0.060 56478 -0.052 0.119 -0.230 0.060 56479 -0.038 0.060 -0.250 0.070 56480 -0.018 0.064 -0.285 0.110 56481 -0.008 0.064 -0.295 0.110 56482 -0.004 0.064 -0.279 0.110 56483 0.004 0.084 -0.269 0.100 56484 -0.001 0.084 -0.269 0.100 56485 -0.015 0.084 -0.260 0.100 56486 -0.026 0.119 -0.253 0.070 56487 -0.029 0.119 -0.238 0.070 56488 -0.038 0.119 -0.225 0.070 56489 -0.046 0.119 -0.205 0.150 56490 -0.053 0.119 -0.182 0.150 56491 -0.047 0.119 -0.155 0.150 56492 -0.036 0.119 -0.124 0.150 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 56445 0.08 -0.17 56446 0.15 -0.21 56447 0.23 -0.17 56448 0.16 -0.18 56449 0.08 -0.28 56450 0.03 -0.28 56451 0.01 -0.30 56452 0.06 -0.37 56453 0.11 -0.29 56454 0.16 -0.28 56455 0.11 -0.33 56456 0.04 -0.21 56457 -0.01 -0.21 56458 -0.04 -0.21 56459 -0.07 -0.25 56460 -0.09 -0.35 56461 -0.09 -0.42 56462 -0.08 -0.37 56463 -0.06 -0.38 56464 -0.04 -0.35 56465 -0.06 -0.36 56466 -0.09 -0.39 56467 -0.10 -0.31 56468 -0.10 -0.32 56469 -0.12 -0.32 56470 -0.12 -0.33 56471 -0.11 -0.34 56472 -0.12 -0.31 56473 -0.08 -0.23 56474 -0.03 -0.33 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).