********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 11 July 2013 Vol. XXVI No. 028 ______________________________________________________________________ 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 Beginning 1 July 2012: TAI-UTC = 35.000 000 seconds *********************************************************************** * There will NOT be a leap second introduced * * in UTC on 31 December 2013 * * * * 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 5 56478 0.14775 .00009 0.38755 .00009 0.057569 0.000023 13 7 6 56479 0.14897 .00009 0.38621 .00009 0.057913 0.000020 13 7 7 56480 0.15031 .00009 0.38487 .00009 0.058252 0.000018 13 7 8 56481 0.15164 .00009 0.38353 .00009 0.058550 0.000011 13 7 9 56482 0.15303 .00009 0.38224 .00009 0.058745 0.000009 13 7 10 56483 0.15453 .00009 0.38125 .00009 0.058800 0.000007 13 7 11 56484 0.15609 .00009 0.38068 .00009 0.058714 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 = 0.0957 + 0.0639 cos A + 0.1072 sin A - 0.0017 cos C - 0.0586 sin C y = 0.3436 + 0.0959 cos A - 0.0552 sin A - 0.0586 cos C + 0.0017 sin C UT1-UTC = 0.0556 - 0.00102 (MJD - 56492) - (UT2-UT1) where A = 2*pi*(MJD-56484)/365.25 and C = 2*pi*(MJD-56484)/435. TAI-UTC(MJD 56485) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56484)**0.80 S t = 0.00025 (MJD-56484)**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 7 12 56485 0.1574 0.3801 0.05851 2013 7 13 56486 0.1587 0.3796 0.05820 2013 7 14 56487 0.1598 0.3790 0.05780 2013 7 15 56488 0.1609 0.3782 0.05736 2013 7 16 56489 0.1619 0.3773 0.05694 2013 7 17 56490 0.1629 0.3762 0.05658 2013 7 18 56491 0.1639 0.3751 0.05633 2013 7 19 56492 0.1649 0.3740 0.05617 2013 7 20 56493 0.1659 0.3728 0.05606 2013 7 21 56494 0.1669 0.3717 0.05591 2013 7 22 56495 0.1679 0.3706 0.05568 2013 7 23 56496 0.1688 0.3695 0.05531 2013 7 24 56497 0.1697 0.3683 0.05480 2013 7 25 56498 0.1706 0.3672 0.05421 2013 7 26 56499 0.1714 0.3660 0.05362 2013 7 27 56500 0.1723 0.3648 0.05312 2013 7 28 56501 0.1731 0.3636 0.05273 2013 7 29 56502 0.1739 0.3623 0.05249 2013 7 30 56503 0.1747 0.3611 0.05237 2013 7 31 56504 0.1755 0.3598 0.05235 2013 8 1 56505 0.1762 0.3585 0.05241 2013 8 2 56506 0.1769 0.3572 0.05252 2013 8 3 56507 0.1775 0.3559 0.05263 2013 8 4 56508 0.1782 0.3546 0.05272 2013 8 5 56509 0.1788 0.3533 0.05273 2013 8 6 56510 0.1793 0.3520 0.05265 2013 8 7 56511 0.1799 0.3506 0.05245 2013 8 8 56512 0.1804 0.3492 0.05213 2013 8 9 56513 0.1809 0.3479 0.05170 2013 8 10 56514 0.1814 0.3465 0.05119 2013 8 11 56515 0.1818 0.3451 0.05065 2013 8 12 56516 0.1822 0.3437 0.05013 2013 8 13 56517 0.1826 0.3423 0.04966 2013 8 14 56518 0.1830 0.3409 0.04928 2013 8 15 56519 0.1833 0.3395 0.04896 2013 8 16 56520 0.1836 0.3381 0.04867 2013 8 17 56521 0.1839 0.3366 0.04837 2013 8 18 56522 0.1841 0.3352 0.04799 2013 8 19 56523 0.1843 0.3338 0.04746 2013 8 20 56524 0.1845 0.3323 0.04675 2013 8 21 56525 0.1846 0.3309 0.04587 2013 8 22 56526 0.1847 0.3294 0.04489 2013 8 23 56527 0.1848 0.3280 0.04388 2013 8 24 56528 0.1849 0.3265 0.04293 2013 8 25 56529 0.1849 0.3251 0.04209 2013 8 26 56530 0.1849 0.3236 0.04140 2013 8 27 56531 0.1849 0.3221 0.04084 2013 8 28 56532 0.1848 0.3207 0.04040 2013 8 29 56533 0.1847 0.3192 0.04005 2013 8 30 56534 0.1846 0.3178 0.03973 2013 8 31 56535 0.1844 0.3163 0.03941 2013 9 1 56536 0.1843 0.3148 0.03903 2013 9 2 56537 0.1840 0.3134 0.03856 2013 9 3 56538 0.1838 0.3119 0.03797 2013 9 4 56539 0.1835 0.3105 0.03724 2013 9 5 56540 0.1832 0.3091 0.03637 2013 9 6 56541 0.1829 0.3076 0.03540 2013 9 7 56542 0.1825 0.3062 0.03436 2013 9 8 56543 0.1821 0.3048 0.03329 2013 9 9 56544 0.1817 0.3033 0.03226 2013 9 10 56545 0.1813 0.3019 0.03130 2013 9 11 56546 0.1808 0.3005 0.03042 2013 9 12 56547 0.1803 0.2991 0.02960 2013 9 13 56548 0.1797 0.2977 0.02880 2013 9 14 56549 0.1792 0.2963 0.02795 2013 9 15 56550 0.1786 0.2949 0.02700 2013 9 16 56551 0.1779 0.2936 0.02590 2013 9 17 56552 0.1773 0.2922 0.02464 2013 9 18 56553 0.1766 0.2909 0.02326 2013 9 19 56554 0.1759 0.2895 0.02180 2013 9 20 56555 0.1751 0.2882 0.02036 2013 9 21 56556 0.1743 0.2869 0.01899 2013 9 22 56557 0.1735 0.2856 0.01776 2013 9 23 56558 0.1727 0.2843 0.01668 2013 9 24 56559 0.1719 0.2830 0.01572 2013 9 25 56560 0.1710 0.2817 0.01486 2013 9 26 56561 0.1701 0.2805 0.01406 2013 9 27 56562 0.1691 0.2792 0.01326 2013 9 28 56563 0.1682 0.2780 0.01244 2013 9 29 56564 0.1672 0.2768 0.01154 2013 9 30 56565 0.1662 0.2756 0.01053 2013 10 1 56566 0.1651 0.2744 0.00939 2013 10 2 56567 0.1641 0.2732 0.00812 2013 10 3 56568 0.1630 0.2721 0.00673 2013 10 4 56569 0.1618 0.2710 0.00526 2013 10 5 56570 0.1607 0.2698 0.00376 2013 10 6 56571 0.1595 0.2687 0.00228 2013 10 7 56572 0.1583 0.2677 0.00086 2013 10 8 56573 0.1571 0.2666 -0.00045 2013 10 9 56574 0.1559 0.2656 -0.00167 2013 10 10 56575 0.1546 0.2645 -0.00284 2013 10 11 56576 0.1534 0.2635 -0.00402 2013 10 12 56577 0.1520 0.2626 -0.00527 2013 10 13 56578 0.1507 0.2616 -0.00664 2013 10 14 56579 0.1494 0.2607 -0.00815 2013 10 15 56580 0.1480 0.2597 -0.00980 2013 10 16 56581 0.1466 0.2588 -0.01152 2013 10 17 56582 0.1452 0.2580 -0.01327 2013 10 18 56583 0.1438 0.2571 -0.01496 2013 10 19 56584 0.1423 0.2563 -0.01655 2013 10 20 56585 0.1409 0.2555 -0.01800 2013 10 21 56586 0.1394 0.2547 -0.01930 2013 10 22 56587 0.1379 0.2539 -0.02048 2013 10 23 56588 0.1363 0.2532 -0.02158 2013 10 24 56589 0.1348 0.2525 -0.02263 2013 10 25 56590 0.1332 0.2518 -0.02368 2013 10 26 56591 0.1317 0.2511 -0.02477 2013 10 27 56592 0.1301 0.2505 -0.02595 2013 10 28 56593 0.1285 0.2499 -0.02724 2013 10 29 56594 0.1268 0.2493 -0.02865 2013 10 30 56595 0.1252 0.2487 -0.03017 2013 10 31 56596 0.1236 0.2482 -0.03180 2013 11 1 56597 0.1219 0.2477 -0.03348 2013 11 2 56598 0.1202 0.2472 -0.03516 2013 11 3 56599 0.1185 0.2467 -0.03681 2013 11 4 56600 0.1168 0.2463 -0.03836 2013 11 5 56601 0.1151 0.2459 -0.03980 2013 11 6 56602 0.1134 0.2455 -0.04116 2013 11 7 56603 0.1117 0.2452 -0.04250 2013 11 8 56604 0.1099 0.2449 -0.04387 2013 11 9 56605 0.1082 0.2446 -0.04533 2013 11 10 56606 0.1064 0.2443 -0.04689 2013 11 11 56607 0.1046 0.2441 -0.04855 2013 11 12 56608 0.1029 0.2438 -0.05027 2013 11 13 56609 0.1011 0.2437 -0.05199 2013 11 14 56610 0.0993 0.2435 -0.05365 2013 11 15 56611 0.0975 0.2434 -0.05521 2013 11 16 56612 0.0957 0.2433 -0.05664 2013 11 17 56613 0.0939 0.2432 -0.05792 2013 11 18 56614 0.0921 0.2432 -0.05906 2013 11 19 56615 0.0903 0.2432 -0.06010 2013 11 20 56616 0.0884 0.2432 -0.06108 2013 11 21 56617 0.0866 0.2433 -0.06203 2013 11 22 56618 0.0848 0.2433 -0.06301 2013 11 23 56619 0.0830 0.2435 -0.06404 2013 11 24 56620 0.0812 0.2436 -0.06516 2013 11 25 56621 0.0793 0.2438 -0.06637 2013 11 26 56622 0.0775 0.2440 -0.06769 2013 11 27 56623 0.0757 0.2442 -0.06910 2013 11 28 56624 0.0739 0.2444 -0.07058 2013 11 29 56625 0.0720 0.2447 -0.07208 2013 11 30 56626 0.0702 0.2450 -0.07357 2013 12 1 56627 0.0684 0.2454 -0.07499 2013 12 2 56628 0.0666 0.2458 -0.07631 2013 12 3 56629 0.0648 0.2462 -0.07755 2013 12 4 56630 0.0630 0.2466 -0.07875 2013 12 5 56631 0.0612 0.2471 -0.07997 2013 12 6 56632 0.0594 0.2476 -0.08127 2013 12 7 56633 0.0576 0.2481 -0.08267 2013 12 8 56634 0.0558 0.2486 -0.08418 2013 12 9 56635 0.0541 0.2492 -0.08574 2013 12 10 56636 0.0523 0.2498 -0.08730 2013 12 11 56637 0.0505 0.2504 -0.08879 2013 12 12 56638 0.0488 0.2511 -0.09017 2013 12 13 56639 0.0471 0.2518 -0.09142 2013 12 14 56640 0.0453 0.2525 -0.09252 2013 12 15 56641 0.0436 0.2533 -0.09348 2013 12 16 56642 0.0419 0.2540 -0.09433 2013 12 17 56643 0.0402 0.2548 -0.09511 2013 12 18 56644 0.0386 0.2557 -0.09586 2013 12 19 56645 0.0369 0.2565 -0.09662 2013 12 20 56646 0.0353 0.2574 -0.09742 2013 12 21 56647 0.0336 0.2583 -0.09830 2013 12 22 56648 0.0320 0.2593 -0.09927 2013 12 23 56649 0.0304 0.2602 -0.10034 2013 12 24 56650 0.0288 0.2612 -0.10149 2013 12 25 56651 0.0273 0.2623 -0.10270 2013 12 26 56652 0.0257 0.2633 -0.10395 2013 12 27 56653 0.0242 0.2644 -0.10520 2013 12 28 56654 0.0226 0.2655 -0.10641 2013 12 29 56655 0.0211 0.2666 -0.10756 2013 12 30 56656 0.0197 0.2677 -0.10862 2013 12 31 56657 0.0182 0.2689 -0.10965 2014 1 1 56658 0.0168 0.2701 -0.11068 2014 1 2 56659 0.0153 0.2713 -0.11179 2014 1 3 56660 0.0139 0.2726 -0.11302 2014 1 4 56661 0.0126 0.2738 -0.11439 2014 1 5 56662 0.0112 0.2751 -0.11585 2014 1 6 56663 0.0099 0.2764 -0.11735 2014 1 7 56664 0.0086 0.2778 -0.11879 2014 1 8 56665 0.0073 0.2791 -0.12012 2014 1 9 56666 0.0060 0.2805 -0.12132 2014 1 10 56667 0.0048 0.2819 -0.12237 2014 1 11 56668 0.0036 0.2833 -0.12329 2014 1 12 56669 0.0024 0.2848 -0.12410 2014 1 13 56670 0.0012 0.2862 -0.12485 2014 1 14 56671 0.0001 0.2877 -0.12558 2014 1 15 56672 -0.0010 0.2892 -0.12632 2014 1 16 56673 -0.0021 0.2907 -0.12713 2014 1 17 56674 -0.0031 0.2922 -0.12801 2014 1 18 56675 -0.0042 0.2938 -0.12899 2014 1 19 56676 -0.0052 0.2954 -0.13008 2014 1 20 56677 -0.0061 0.2970 -0.13126 2014 1 21 56678 -0.0071 0.2986 -0.13252 2014 1 22 56679 -0.0080 0.3002 -0.13384 2014 1 23 56680 -0.0089 0.3018 -0.13521 2014 1 24 56681 -0.0097 0.3035 -0.13658 2014 1 25 56682 -0.0105 0.3051 -0.13792 2014 1 26 56683 -0.0113 0.3068 -0.13923 2014 1 27 56684 -0.0121 0.3085 -0.14048 2014 1 28 56685 -0.0128 0.3102 -0.14171 2014 1 29 56686 -0.0135 0.3119 -0.14296 2014 1 30 56687 -0.0142 0.3137 -0.14429 2014 1 31 56688 -0.0148 0.3154 -0.14572 2014 2 1 56689 -0.0154 0.3172 -0.14726 2014 2 2 56690 -0.0160 0.3189 -0.14885 2014 2 3 56691 -0.0165 0.3207 -0.15041 2014 2 4 56692 -0.0170 0.3225 -0.15188 2014 2 5 56693 -0.0175 0.3243 -0.15319 2014 2 6 56694 -0.0180 0.3261 -0.15433 2014 2 7 56695 -0.0184 0.3279 -0.15530 2014 2 8 56696 -0.0187 0.3297 -0.15615 2014 2 9 56697 -0.0191 0.3316 -0.15689 2014 2 10 56698 -0.0194 0.3334 -0.15757 2014 2 11 56699 -0.0196 0.3352 -0.15824 2014 2 12 56700 -0.0199 0.3371 -0.15891 2014 2 13 56701 -0.0201 0.3389 -0.15961 2014 2 14 56702 -0.0202 0.3408 -0.16035 2014 2 15 56703 -0.0203 0.3427 -0.16118 2014 2 16 56704 -0.0204 0.3445 -0.16214 2014 2 17 56705 -0.0205 0.3464 -0.16323 2014 2 18 56706 -0.0205 0.3483 -0.16441 2014 2 19 56707 -0.0205 0.3501 -0.16564 2014 2 20 56708 -0.0205 0.3520 -0.16686 2014 2 21 56709 -0.0204 0.3539 -0.16805 2014 2 22 56710 -0.0203 0.3558 -0.16920 2014 2 23 56711 -0.0201 0.3576 -0.17034 2014 2 24 56712 -0.0199 0.3595 -0.17147 2014 2 25 56713 -0.0197 0.3614 -0.17266 2014 2 26 56714 -0.0194 0.3633 -0.17395 2014 2 27 56715 -0.0191 0.3651 -0.17535 2014 2 28 56716 -0.0188 0.3670 -0.17692 2014 3 1 56717 -0.0184 0.3688 -0.17873 2014 3 2 56718 -0.0180 0.3707 -0.18066 2014 3 3 56719 -0.0176 0.3725 -0.18261 2014 3 4 56720 -0.0171 0.3744 -0.18451 2014 3 5 56721 -0.0166 0.3762 -0.18629 2014 3 6 56722 -0.0160 0.3781 -0.18792 2014 3 7 56723 -0.0154 0.3799 -0.18937 2014 3 8 56724 -0.0148 0.3817 -0.19073 2014 3 9 56725 -0.0142 0.3835 -0.19202 2014 3 10 56726 -0.0135 0.3853 -0.19329 2014 3 11 56727 -0.0127 0.3871 -0.19461 2014 3 12 56728 -0.0120 0.3889 -0.19596 2014 3 13 56729 -0.0112 0.3907 -0.19740 2014 3 14 56730 -0.0104 0.3924 -0.19901 2014 3 15 56731 -0.0095 0.3942 -0.20074 2014 3 16 56732 -0.0086 0.3959 -0.20256 2014 3 17 56733 -0.0077 0.3976 -0.20446 2014 3 18 56734 -0.0067 0.3993 -0.20641 2014 3 19 56735 -0.0057 0.4010 -0.20831 2014 3 20 56736 -0.0047 0.4027 -0.21007 2014 3 21 56737 -0.0036 0.4044 -0.21169 2014 3 22 56738 -0.0025 0.4060 -0.21322 2014 3 23 56739 -0.0014 0.4077 -0.21463 2014 3 24 56740 -0.0002 0.4093 -0.21597 2014 3 25 56741 0.0010 0.4109 -0.21733 2014 3 26 56742 0.0022 0.4125 -0.21873 2014 3 27 56743 0.0035 0.4140 -0.22019 2014 3 28 56744 0.0048 0.4156 -0.22178 2014 3 29 56745 0.0061 0.4171 -0.22357 2014 3 30 56746 0.0074 0.4186 -0.22542 2014 3 31 56747 0.0088 0.4201 -0.22721 2014 4 1 56748 0.0102 0.4216 -0.22892 2014 4 2 56749 0.0117 0.4230 -0.23047 2014 4 3 56750 0.0132 0.4244 -0.23182 2014 4 4 56751 0.0147 0.4258 -0.23301 2014 4 5 56752 0.0162 0.4272 -0.23410 2014 4 6 56753 0.0177 0.4286 -0.23510 2014 4 7 56754 0.0193 0.4299 -0.23608 2014 4 8 56755 0.0209 0.4312 -0.23704 2014 4 9 56756 0.0226 0.4325 -0.23805 2014 4 10 56757 0.0242 0.4338 -0.23912 2014 4 11 56758 0.0259 0.4350 -0.24026 2014 4 12 56759 0.0277 0.4362 -0.24144 2014 4 13 56760 0.0294 0.4374 -0.24266 2014 4 14 56761 0.0312 0.4386 -0.24388 2014 4 15 56762 0.0330 0.4397 -0.24506 2014 4 16 56763 0.0348 0.4408 -0.24624 2014 4 17 56764 0.0366 0.4419 -0.24734 2014 4 18 56765 0.0385 0.4430 -0.24839 2014 4 19 56766 0.0404 0.4440 -0.24944 2014 4 20 56767 0.0423 0.4450 -0.25047 2014 4 21 56768 0.0442 0.4459 -0.25156 2014 4 22 56769 0.0461 0.4469 -0.25275 2014 4 23 56770 0.0481 0.4478 -0.25407 2014 4 24 56771 0.0501 0.4487 -0.25550 2014 4 25 56772 0.0521 0.4495 -0.25703 2014 4 26 56773 0.0541 0.4503 -0.25862 2014 4 27 56774 0.0562 0.4511 -0.26021 2014 4 28 56775 0.0583 0.4519 -0.26168 2014 4 29 56776 0.0603 0.4526 -0.26299 2014 4 30 56777 0.0624 0.4533 -0.26409 2014 5 1 56778 0.0645 0.4539 -0.26503 2014 5 2 56779 0.0667 0.4546 -0.26586 2014 5 3 56780 0.0688 0.4551 -0.26663 2014 5 4 56781 0.0710 0.4557 -0.26737 2014 5 5 56782 0.0731 0.4562 -0.26812 2014 5 6 56783 0.0753 0.4567 -0.26899 2014 5 7 56784 0.0775 0.4572 -0.27000 2014 5 8 56785 0.0797 0.4576 -0.27114 2014 5 9 56786 0.0819 0.4580 -0.27237 2014 5 10 56787 0.0842 0.4584 -0.27369 2014 5 11 56788 0.0864 0.4587 -0.27499 2014 5 12 56789 0.0887 0.4590 -0.27622 2014 5 13 56790 0.0909 0.4592 -0.27736 2014 5 14 56791 0.0932 0.4595 -0.27841 2014 5 15 56792 0.0955 0.4596 -0.27936 2014 5 16 56793 0.0977 0.4598 -0.28021 2014 5 17 56794 0.1000 0.4599 -0.28109 2014 5 18 56795 0.1023 0.4600 -0.28204 2014 5 19 56796 0.1046 0.4600 -0.28306 2014 5 20 56797 0.1069 0.4600 -0.28421 2014 5 21 56798 0.1092 0.4600 -0.28549 2014 5 22 56799 0.1115 0.4599 -0.28688 2014 5 23 56800 0.1138 0.4598 -0.28827 2014 5 24 56801 0.1161 0.4597 -0.28957 2014 5 25 56802 0.1184 0.4595 -0.29075 2014 5 26 56803 0.1207 0.4593 -0.29179 2014 5 27 56804 0.1231 0.4591 -0.29264 2014 5 28 56805 0.1254 0.4588 -0.29328 2014 5 29 56806 0.1277 0.4585 -0.29374 2014 5 30 56807 0.1300 0.4582 -0.29415 2014 5 31 56808 0.1323 0.4578 -0.29451 2014 6 1 56809 0.1346 0.4573 -0.29482 2014 6 2 56810 0.1369 0.4569 -0.29524 2014 6 3 56811 0.1392 0.4564 -0.29576 2014 6 4 56812 0.1414 0.4559 -0.29632 2014 6 5 56813 0.1437 0.4553 -0.29692 2014 6 6 56814 0.1460 0.4547 -0.29763 2014 6 7 56815 0.1482 0.4541 -0.29837 2014 6 8 56816 0.1505 0.4534 -0.29915 2014 6 9 56817 0.1527 0.4527 -0.29989 2014 6 10 56818 0.1550 0.4520 -0.30052 2014 6 11 56819 0.1572 0.4512 -0.30100 2014 6 12 56820 0.1594 0.4504 -0.30135 2014 6 13 56821 0.1616 0.4495 -0.30164 2014 6 14 56822 0.1638 0.4486 -0.30193 2014 6 15 56823 0.1660 0.4477 -0.30230 2014 6 16 56824 0.1681 0.4468 -0.30277 2014 6 17 56825 0.1703 0.4458 -0.30335 2014 6 18 56826 0.1724 0.4448 -0.30403 2014 6 19 56827 0.1745 0.4437 -0.30474 2014 6 20 56828 0.1766 0.4427 -0.30543 2014 6 21 56829 0.1787 0.4415 -0.30607 2014 6 22 56830 0.1808 0.4404 -0.30659 2014 6 23 56831 0.1828 0.4392 -0.30696 2014 6 24 56832 0.1848 0.4380 -0.30717 2014 6 25 56833 0.1869 0.4367 -0.30724 2014 6 26 56834 0.1888 0.4355 -0.30725 2014 6 27 56835 0.1908 0.4342 -0.30724 2014 6 28 56836 0.1928 0.4328 -0.30718 2014 6 29 56837 0.1947 0.4315 -0.30714 2014 6 30 56838 0.1966 0.4301 -0.30717 2014 7 1 56839 0.1985 0.4286 -0.30734 2014 7 2 56840 0.2003 0.4272 -0.30763 2014 7 3 56841 0.2022 0.4257 -0.30800 2014 7 4 56842 0.2040 0.4242 -0.30838 2014 7 5 56843 0.2057 0.4226 -0.30885 2014 7 6 56844 0.2075 0.4210 -0.30932 2014 7 7 56845 0.2092 0.4194 -0.30976 2014 7 8 56846 0.2109 0.4178 -0.31013 2014 7 9 56847 0.2126 0.4161 -0.31041 2014 7 10 56848 0.2143 0.4145 -0.31065 2014 7 11 56849 0.2159 0.4127 -0.31088 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) 56465 -79.86 0.30 -13.06 0.02 56466 -79.75 0.30 -13.31 0.03 56467 -79.70 0.30 -13.40 0.03 56468 -79.70 0.30 -13.31 0.05 56469 -79.68 0.30 -13.21 0.05 56470 -79.72 0.30 -13.19 0.05 56471 -80.01 0.30 -13.15 0.05 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56465 -0.042 0.119 -0.319 0.020 56466 -0.066 0.119 -0.300 0.030 56467 -0.097 0.119 -0.308 0.030 56468 -0.102 0.119 -0.329 0.050 56469 -0.076 0.119 -0.333 0.050 56470 -0.049 0.119 -0.322 0.050 56471 -0.033 0.119 -0.293 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).