********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 13 June 2013 Vol. XXVI No. 024 ______________________________________________________________________ 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 *********************************************************************** * 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 6 7 56450 0.11510 .00009 0.40380 .00009 0.070812 0.000020 13 6 8 56451 0.11568 .00009 0.40295 .00009 0.070644 0.000021 13 6 9 56452 0.11642 .00010 0.40210 .00009 0.070555 0.000027 13 6 10 56453 0.11735 .00009 0.40144 .00009 0.070447 0.000025 13 6 11 56454 0.11830 .00010 0.40104 .00009 0.070262 0.000024 13 6 12 56455 0.11935 .00010 0.40062 .00009 0.070045 0.000023 13 6 13 56456 0.12072 .00009 0.40006 .00009 0.069758 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 = 0.0909 + 0.0068 cos A + 0.1350 sin A + 0.0270 cos C - 0.0625 sin C y = 0.3413 + 0.1190 cos A - 0.0036 sin A - 0.0625 cos C - 0.0270 sin C UT1-UTC = 0.0854 - 0.00101 (MJD - 56464) - (UT2-UT1) where A = 2*pi*(MJD-56456)/365.25 and C = 2*pi*(MJD-56456)/435. TAI-UTC(MJD 56457) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56456)**0.80 S t = 0.00025 (MJD-56456)**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 6 14 56457 0.1222 0.3996 0.06925 2013 6 15 56458 0.1236 0.3991 0.06857 2013 6 16 56459 0.1251 0.3986 0.06778 2013 6 17 56460 0.1265 0.3981 0.06691 2013 6 18 56461 0.1278 0.3976 0.06602 2013 6 19 56462 0.1291 0.3971 0.06518 2013 6 20 56463 0.1304 0.3965 0.06444 2013 6 21 56464 0.1317 0.3959 0.06381 2013 6 22 56465 0.1330 0.3954 0.06329 2013 6 23 56466 0.1343 0.3948 0.06280 2013 6 24 56467 0.1356 0.3942 0.06229 2013 6 25 56468 0.1369 0.3936 0.06170 2013 6 26 56469 0.1382 0.3930 0.06106 2013 6 27 56470 0.1395 0.3924 0.06036 2013 6 28 56471 0.1408 0.3917 0.05966 2013 6 29 56472 0.1421 0.3910 0.05901 2013 6 30 56473 0.1434 0.3903 0.05849 2013 7 1 56474 0.1447 0.3896 0.05814 2013 7 2 56475 0.1460 0.3888 0.05796 2013 7 3 56476 0.1473 0.3880 0.05793 2013 7 4 56477 0.1485 0.3872 0.05801 2013 7 5 56478 0.1498 0.3864 0.05817 2013 7 6 56479 0.1510 0.3856 0.05837 2013 7 7 56480 0.1522 0.3848 0.05857 2013 7 8 56481 0.1534 0.3839 0.05872 2013 7 9 56482 0.1546 0.3830 0.05880 2013 7 10 56483 0.1558 0.3821 0.05877 2013 7 11 56484 0.1570 0.3812 0.05862 2013 7 12 56485 0.1581 0.3802 0.05835 2013 7 13 56486 0.1593 0.3792 0.05796 2013 7 14 56487 0.1604 0.3783 0.05749 2013 7 15 56488 0.1615 0.3773 0.05699 2013 7 16 56489 0.1626 0.3762 0.05649 2013 7 17 56490 0.1636 0.3752 0.05606 2013 7 18 56491 0.1647 0.3741 0.05571 2013 7 19 56492 0.1657 0.3730 0.05545 2013 7 20 56493 0.1667 0.3719 0.05524 2013 7 21 56494 0.1677 0.3708 0.05502 2013 7 22 56495 0.1687 0.3697 0.05473 2013 7 23 56496 0.1696 0.3686 0.05431 2013 7 24 56497 0.1705 0.3674 0.05375 2013 7 25 56498 0.1714 0.3662 0.05309 2013 7 26 56499 0.1723 0.3650 0.05241 2013 7 27 56500 0.1731 0.3638 0.05177 2013 7 28 56501 0.1739 0.3626 0.05126 2013 7 29 56502 0.1747 0.3613 0.05089 2013 7 30 56503 0.1755 0.3601 0.05067 2013 7 31 56504 0.1763 0.3588 0.05058 2013 8 1 56505 0.1770 0.3575 0.05060 2013 8 2 56506 0.1777 0.3563 0.05069 2013 8 3 56507 0.1784 0.3550 0.05082 2013 8 4 56508 0.1790 0.3536 0.05092 2013 8 5 56509 0.1796 0.3523 0.05097 2013 8 6 56510 0.1802 0.3510 0.05092 2013 8 7 56511 0.1808 0.3496 0.05076 2013 8 8 56512 0.1813 0.3483 0.05046 2013 8 9 56513 0.1818 0.3469 0.05005 2013 8 10 56514 0.1823 0.3455 0.04954 2013 8 11 56515 0.1828 0.3441 0.04898 2013 8 12 56516 0.1832 0.3427 0.04841 2013 8 13 56517 0.1836 0.3413 0.04788 2013 8 14 56518 0.1840 0.3399 0.04742 2013 8 15 56519 0.1843 0.3385 0.04702 2013 8 16 56520 0.1846 0.3371 0.04668 2013 8 17 56521 0.1849 0.3357 0.04633 2013 8 18 56522 0.1852 0.3342 0.04592 2013 8 19 56523 0.1854 0.3328 0.04538 2013 8 20 56524 0.1856 0.3313 0.04467 2013 8 21 56525 0.1858 0.3299 0.04381 2013 8 22 56526 0.1859 0.3284 0.04287 2013 8 23 56527 0.1860 0.3270 0.04191 2013 8 24 56528 0.1861 0.3255 0.04104 2013 8 25 56529 0.1861 0.3241 0.04029 2013 8 26 56530 0.1861 0.3226 0.03969 2013 8 27 56531 0.1861 0.3211 0.03924 2013 8 28 56532 0.1861 0.3197 0.03891 2013 8 29 56533 0.1860 0.3182 0.03866 2013 8 30 56534 0.1859 0.3167 0.03845 2013 8 31 56535 0.1858 0.3153 0.03822 2013 9 1 56536 0.1856 0.3138 0.03794 2013 9 2 56537 0.1854 0.3123 0.03755 2013 9 3 56538 0.1852 0.3109 0.03702 2013 9 4 56539 0.1849 0.3094 0.03634 2013 9 5 56540 0.1846 0.3080 0.03551 2013 9 6 56541 0.1843 0.3065 0.03456 2013 9 7 56542 0.1840 0.3051 0.03354 2013 9 8 56543 0.1836 0.3036 0.03249 2013 9 9 56544 0.1832 0.3022 0.03148 2013 9 10 56545 0.1828 0.3008 0.03053 2013 9 11 56546 0.1823 0.2993 0.02967 2013 9 12 56547 0.1818 0.2979 0.02888 2013 9 13 56548 0.1813 0.2965 0.02811 2013 9 14 56549 0.1807 0.2951 0.02730 2013 9 15 56550 0.1801 0.2937 0.02638 2013 9 16 56551 0.1795 0.2923 0.02532 2013 9 17 56552 0.1789 0.2910 0.02410 2013 9 18 56553 0.1782 0.2896 0.02275 2013 9 19 56554 0.1775 0.2882 0.02133 2013 9 20 56555 0.1768 0.2869 0.01994 2013 9 21 56556 0.1760 0.2855 0.01863 2013 9 22 56557 0.1752 0.2842 0.01746 2013 9 23 56558 0.1744 0.2829 0.01645 2013 9 24 56559 0.1736 0.2816 0.01556 2013 9 25 56560 0.1727 0.2803 0.01478 2013 9 26 56561 0.1718 0.2790 0.01406 2013 9 27 56562 0.1709 0.2778 0.01336 2013 9 28 56563 0.1699 0.2765 0.01262 2013 9 29 56564 0.1690 0.2753 0.01181 2013 9 30 56565 0.1680 0.2740 0.01084 2013 10 1 56566 0.1669 0.2728 0.00975 2013 10 2 56567 0.1659 0.2717 0.00852 2013 10 3 56568 0.1648 0.2705 0.00716 2013 10 4 56569 0.1637 0.2693 0.00572 2013 10 5 56570 0.1625 0.2682 0.00423 2013 10 6 56571 0.1614 0.2671 0.00275 2013 10 7 56572 0.1602 0.2660 0.00134 2013 10 8 56573 0.1590 0.2649 0.00002 2013 10 9 56574 0.1578 0.2638 -0.00120 2013 10 10 56575 0.1565 0.2627 -0.00238 2013 10 11 56576 0.1552 0.2617 -0.00357 2013 10 12 56577 0.1539 0.2607 -0.00483 2013 10 13 56578 0.1526 0.2597 -0.00621 2013 10 14 56579 0.1513 0.2587 -0.00772 2013 10 15 56580 0.1499 0.2578 -0.00936 2013 10 16 56581 0.1485 0.2569 -0.01107 2013 10 17 56582 0.1471 0.2560 -0.01279 2013 10 18 56583 0.1457 0.2551 -0.01446 2013 10 19 56584 0.1442 0.2542 -0.01602 2013 10 20 56585 0.1428 0.2534 -0.01744 2013 10 21 56586 0.1413 0.2526 -0.01872 2013 10 22 56587 0.1398 0.2518 -0.01987 2013 10 23 56588 0.1383 0.2510 -0.02094 2013 10 24 56589 0.1367 0.2502 -0.02197 2013 10 25 56590 0.1352 0.2495 -0.02300 2013 10 26 56591 0.1336 0.2488 -0.02407 2013 10 27 56592 0.1320 0.2481 -0.02522 2013 10 28 56593 0.1304 0.2475 -0.02649 2013 10 29 56594 0.1288 0.2469 -0.02787 2013 10 30 56595 0.1271 0.2463 -0.02936 2013 10 31 56596 0.1255 0.2457 -0.03096 2013 11 1 56597 0.1238 0.2451 -0.03260 2013 11 2 56598 0.1221 0.2446 -0.03426 2013 11 3 56599 0.1204 0.2441 -0.03586 2013 11 4 56600 0.1187 0.2437 -0.03738 2013 11 5 56601 0.1170 0.2432 -0.03878 2013 11 6 56602 0.1153 0.2428 -0.04011 2013 11 7 56603 0.1136 0.2424 -0.04140 2013 11 8 56604 0.1118 0.2421 -0.04273 2013 11 9 56605 0.1101 0.2417 -0.04415 2013 11 10 56606 0.1083 0.2414 -0.04566 2013 11 11 56607 0.1065 0.2411 -0.04727 2013 11 12 56608 0.1047 0.2409 -0.04894 2013 11 13 56609 0.1029 0.2407 -0.05060 2013 11 14 56610 0.1011 0.2405 -0.05220 2013 11 15 56611 0.0993 0.2403 -0.05370 2013 11 16 56612 0.0975 0.2402 -0.05507 2013 11 17 56613 0.0957 0.2401 -0.05628 2013 11 18 56614 0.0939 0.2400 -0.05736 2013 11 19 56615 0.0921 0.2400 -0.05833 2013 11 20 56616 0.0902 0.2399 -0.05924 2013 11 21 56617 0.0884 0.2399 -0.06013 2013 11 22 56618 0.0866 0.2400 -0.06104 2013 11 23 56619 0.0847 0.2401 -0.06201 2013 11 24 56620 0.0829 0.2402 -0.06306 2013 11 25 56621 0.0810 0.2403 -0.06421 2013 11 26 56622 0.0792 0.2404 -0.06546 2013 11 27 56623 0.0774 0.2406 -0.06681 2013 11 28 56624 0.0755 0.2408 -0.06821 2013 11 29 56625 0.0737 0.2411 -0.06965 2013 11 30 56626 0.0719 0.2414 -0.07107 2013 12 1 56627 0.0700 0.2417 -0.07242 2013 12 2 56628 0.0682 0.2420 -0.07368 2013 12 3 56629 0.0664 0.2424 -0.07486 2013 12 4 56630 0.0645 0.2427 -0.07600 2013 12 5 56631 0.0627 0.2432 -0.07716 2013 12 6 56632 0.0609 0.2436 -0.07840 2013 12 7 56633 0.0591 0.2441 -0.07975 2013 12 8 56634 0.0573 0.2446 -0.08121 2013 12 9 56635 0.0555 0.2451 -0.08274 2013 12 10 56636 0.0537 0.2457 -0.08426 2013 12 11 56637 0.0520 0.2463 -0.08573 2013 12 12 56638 0.0502 0.2469 -0.08710 2013 12 13 56639 0.0485 0.2476 -0.08835 2013 12 14 56640 0.0467 0.2482 -0.08948 2013 12 15 56641 0.0450 0.2489 -0.09048 2013 12 16 56642 0.0433 0.2497 -0.09140 2013 12 17 56643 0.0415 0.2504 -0.09227 2013 12 18 56644 0.0398 0.2512 -0.09312 2013 12 19 56645 0.0382 0.2521 -0.09400 2013 12 20 56646 0.0365 0.2529 -0.09493 2013 12 21 56647 0.0348 0.2538 -0.09593 2013 12 22 56648 0.0332 0.2547 -0.09700 2013 12 23 56649 0.0316 0.2556 -0.09814 2013 12 24 56650 0.0299 0.2566 -0.09931 2013 12 25 56651 0.0283 0.2575 -0.10050 2013 12 26 56652 0.0268 0.2585 -0.10167 2013 12 27 56653 0.0252 0.2596 -0.10278 2013 12 28 56654 0.0237 0.2606 -0.10379 2013 12 29 56655 0.0221 0.2617 -0.10471 2013 12 30 56656 0.0206 0.2628 -0.10554 2013 12 31 56657 0.0191 0.2640 -0.10632 2014 1 1 56658 0.0177 0.2651 -0.10712 2014 1 2 56659 0.0162 0.2663 -0.10802 2014 1 3 56660 0.0148 0.2675 -0.10907 2014 1 4 56661 0.0134 0.2687 -0.11029 2014 1 5 56662 0.0120 0.2700 -0.11165 2014 1 6 56663 0.0106 0.2712 -0.11307 2014 1 7 56664 0.0093 0.2725 -0.11447 2014 1 8 56665 0.0080 0.2739 -0.11579 2014 1 9 56666 0.0067 0.2752 -0.11701 2014 1 10 56667 0.0054 0.2766 -0.11811 2014 1 11 56668 0.0042 0.2779 -0.11910 2014 1 12 56669 0.0030 0.2793 -0.11998 2014 1 13 56670 0.0018 0.2808 -0.12080 2014 1 14 56671 0.0006 0.2822 -0.12159 2014 1 15 56672 -0.0005 0.2837 -0.12239 2014 1 16 56673 -0.0017 0.2852 -0.12325 2014 1 17 56674 -0.0027 0.2867 -0.12422 2014 1 18 56675 -0.0038 0.2882 -0.12530 2014 1 19 56676 -0.0048 0.2897 -0.12650 2014 1 20 56677 -0.0058 0.2913 -0.12780 2014 1 21 56678 -0.0068 0.2929 -0.12919 2014 1 22 56679 -0.0078 0.2944 -0.13060 2014 1 23 56680 -0.0087 0.2960 -0.13194 2014 1 24 56681 -0.0096 0.2977 -0.13320 2014 1 25 56682 -0.0104 0.2993 -0.13438 2014 1 26 56683 -0.0113 0.3010 -0.13543 2014 1 27 56684 -0.0121 0.3026 -0.13637 2014 1 28 56685 -0.0128 0.3043 -0.13726 2014 1 29 56686 -0.0135 0.3060 -0.13813 2014 1 30 56687 -0.0143 0.3077 -0.13904 2014 1 31 56688 -0.0149 0.3094 -0.14010 2014 2 1 56689 -0.0156 0.3112 -0.14140 2014 2 2 56690 -0.0162 0.3129 -0.14283 2014 2 3 56691 -0.0167 0.3146 -0.14426 2014 2 4 56692 -0.0173 0.3164 -0.14566 2014 2 5 56693 -0.0178 0.3182 -0.14692 2014 2 6 56694 -0.0183 0.3200 -0.14799 2014 2 7 56695 -0.0187 0.3218 -0.14888 2014 2 8 56696 -0.0191 0.3236 -0.14965 2014 2 9 56697 -0.0195 0.3254 -0.15029 2014 2 10 56698 -0.0198 0.3272 -0.15088 2014 2 11 56699 -0.0201 0.3290 -0.15142 2014 2 12 56700 -0.0204 0.3308 -0.15198 2014 2 13 56701 -0.0206 0.3327 -0.15259 2014 2 14 56702 -0.0208 0.3345 -0.15328 2014 2 15 56703 -0.0210 0.3363 -0.15404 2014 2 16 56704 -0.0211 0.3382 -0.15486 2014 2 17 56705 -0.0212 0.3400 -0.15575 2014 2 18 56706 -0.0213 0.3419 -0.15666 2014 2 19 56707 -0.0213 0.3438 -0.15763 2014 2 20 56708 -0.0213 0.3456 -0.15859 2014 2 21 56709 -0.0212 0.3475 -0.15954 2014 2 22 56710 -0.0212 0.3493 -0.16050 2014 2 23 56711 -0.0210 0.3512 -0.16142 2014 2 24 56712 -0.0209 0.3531 -0.16236 2014 2 25 56713 -0.0207 0.3549 -0.16337 2014 2 26 56714 -0.0205 0.3568 -0.16450 2014 2 27 56715 -0.0202 0.3586 -0.16578 2014 2 28 56716 -0.0199 0.3605 -0.16724 2014 3 1 56717 -0.0196 0.3623 -0.16887 2014 3 2 56718 -0.0192 0.3642 -0.17060 2014 3 3 56719 -0.0188 0.3660 -0.17229 2014 3 4 56720 -0.0183 0.3679 -0.17387 2014 3 5 56721 -0.0179 0.3697 -0.17525 2014 3 6 56722 -0.0174 0.3715 -0.17647 2014 3 7 56723 -0.0168 0.3733 -0.17756 2014 3 8 56724 -0.0162 0.3752 -0.17855 2014 3 9 56725 -0.0156 0.3770 -0.17947 2014 3 10 56726 -0.0149 0.3788 -0.18039 2014 3 11 56727 -0.0143 0.3806 -0.18140 2014 3 12 56728 -0.0135 0.3823 -0.18254 2014 3 13 56729 -0.0128 0.3841 -0.18383 2014 3 14 56730 -0.0120 0.3859 -0.18524 2014 3 15 56731 -0.0111 0.3876 -0.18678 2014 3 16 56732 -0.0103 0.3893 -0.18836 2014 3 17 56733 -0.0094 0.3911 -0.18993 2014 3 18 56734 -0.0085 0.3928 -0.19148 2014 3 19 56735 -0.0075 0.3945 -0.19299 2014 3 20 56736 -0.0065 0.3962 -0.19444 2014 3 21 56737 -0.0055 0.3978 -0.19580 2014 3 22 56738 -0.0044 0.3995 -0.19718 2014 3 23 56739 -0.0033 0.4011 -0.19858 2014 3 24 56740 -0.0022 0.4028 -0.20000 2014 3 25 56741 -0.0010 0.4044 -0.20153 2014 3 26 56742 0.0002 0.4060 -0.20319 2014 3 27 56743 0.0014 0.4075 -0.20506 2014 3 28 56744 0.0027 0.4091 -0.20706 2014 3 29 56745 0.0040 0.4106 -0.20909 2014 3 30 56746 0.0053 0.4122 -0.21113 2014 3 31 56747 0.0067 0.4137 -0.21312 2014 4 1 56748 0.0080 0.4151 -0.21494 2014 4 2 56749 0.0095 0.4166 -0.21656 2014 4 3 56750 0.0109 0.4180 -0.21796 2014 4 4 56751 0.0124 0.4195 -0.21928 2014 4 5 56752 0.0139 0.4209 -0.22048 2014 4 6 56753 0.0154 0.4222 -0.22161 2014 4 7 56754 0.0170 0.4236 -0.22280 2014 4 8 56755 0.0186 0.4249 -0.22407 2014 4 9 56756 0.0202 0.4262 -0.22538 2014 4 10 56757 0.0218 0.4275 -0.22675 2014 4 11 56758 0.0235 0.4288 -0.22826 2014 4 12 56759 0.0252 0.4300 -0.22984 2014 4 13 56760 0.0269 0.4312 -0.23151 2014 4 14 56761 0.0286 0.4324 -0.23321 2014 4 15 56762 0.0304 0.4335 -0.23484 2014 4 16 56763 0.0322 0.4347 -0.23634 2014 4 17 56764 0.0340 0.4358 -0.23771 2014 4 18 56765 0.0358 0.4368 -0.23899 2014 4 19 56766 0.0377 0.4379 -0.24020 2014 4 20 56767 0.0396 0.4389 -0.24142 2014 4 21 56768 0.0415 0.4399 -0.24265 2014 4 22 56769 0.0434 0.4409 -0.24397 2014 4 23 56770 0.0454 0.4418 -0.24541 2014 4 24 56771 0.0473 0.4427 -0.24698 2014 4 25 56772 0.0493 0.4436 -0.24865 2014 4 26 56773 0.0513 0.4444 -0.25040 2014 4 27 56774 0.0534 0.4452 -0.25214 2014 4 28 56775 0.0554 0.4460 -0.25379 2014 4 29 56776 0.0575 0.4468 -0.25528 2014 4 30 56777 0.0595 0.4475 -0.25660 2014 5 1 56778 0.0616 0.4482 -0.25780 2014 5 2 56779 0.0638 0.4488 -0.25891 2014 5 3 56780 0.0659 0.4495 -0.25990 2014 5 4 56781 0.0680 0.4500 -0.26085 2014 5 5 56782 0.0702 0.4506 -0.26183 2014 5 6 56783 0.0723 0.4511 -0.26291 2014 5 7 56784 0.0745 0.4516 -0.26410 2014 5 8 56785 0.0767 0.4521 -0.26537 2014 5 9 56786 0.0789 0.4525 -0.26669 2014 5 10 56787 0.0811 0.4529 -0.26812 2014 5 11 56788 0.0834 0.4533 -0.26960 2014 5 12 56789 0.0856 0.4536 -0.27108 2014 5 13 56790 0.0878 0.4539 -0.27249 2014 5 14 56791 0.0901 0.4541 -0.27381 2014 5 15 56792 0.0924 0.4544 -0.27504 2014 5 16 56793 0.0946 0.4546 -0.27619 2014 5 17 56794 0.0969 0.4547 -0.27723 2014 5 18 56795 0.0992 0.4548 -0.27827 2014 5 19 56796 0.1015 0.4549 -0.27937 2014 5 20 56797 0.1038 0.4550 -0.28057 2014 5 21 56798 0.1061 0.4550 -0.28191 2014 5 22 56799 0.1084 0.4549 -0.28337 2014 5 23 56800 0.1107 0.4549 -0.28488 2014 5 24 56801 0.1130 0.4548 -0.28637 2014 5 25 56802 0.1153 0.4547 -0.28770 2014 5 26 56803 0.1176 0.4545 -0.28889 2014 5 27 56804 0.1199 0.4543 -0.28983 2014 5 28 56805 0.1222 0.4541 -0.29053 2014 5 29 56806 0.1245 0.4538 -0.29110 2014 5 30 56807 0.1268 0.4535 -0.29153 2014 5 31 56808 0.1291 0.4531 -0.29185 2014 6 1 56809 0.1314 0.4528 -0.29224 2014 6 2 56810 0.1337 0.4524 -0.29267 2014 6 3 56811 0.1360 0.4519 -0.29313 2014 6 4 56812 0.1383 0.4514 -0.29362 2014 6 5 56813 0.1405 0.4509 -0.29411 2014 6 6 56814 0.1428 0.4503 -0.29462 2014 6 7 56815 0.1451 0.4498 -0.29510 2014 6 8 56816 0.1473 0.4491 -0.29557 2014 6 9 56817 0.1496 0.4485 -0.29605 2014 6 10 56818 0.1518 0.4478 -0.29646 2014 6 11 56819 0.1540 0.4470 -0.29679 2014 6 12 56820 0.1563 0.4463 -0.29704 2014 6 13 56821 0.1585 0.4455 -0.29722 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) 56435 -75.63 0.31 -13.26 0.10 56436 -75.71 0.31 -13.09 0.10 56437 -75.75 0.31 -13.24 0.10 56438 -75.76 0.13 -13.54 0.10 56439 -75.74 0.21 -13.72 0.09 56440 -75.72 0.28 -13.70 0.08 56441 -75.77 0.21 -13.58 0.06 56442 -75.94 0.21 -13.46 0.06 56443 -76.27 0.21 -13.34 0.06 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56435 0.115 0.123 -0.338 0.100 56436 0.128 0.123 -0.298 0.100 56437 0.111 0.123 -0.262 0.100 56438 0.070 0.052 -0.247 0.100 56439 0.027 0.084 -0.272 0.090 56440 0.005 0.111 -0.313 0.080 56441 -0.008 0.084 -0.317 0.060 56442 -0.016 0.084 -0.285 0.060 56443 -0.031 0.084 -0.236 0.060 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).