********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 6 June 2013 Vol. XXVI No. 023 ______________________________________________________________________ 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 5 31 56443 0.10646 .00010 0.40691 .00009 0.074826 0.000019 13 6 1 56444 0.10833 .00010 0.40669 .00009 0.073985 0.000017 13 6 2 56445 0.11024 .00010 0.40653 .00009 0.073222 0.000017 13 6 3 56446 0.11192 .00009 0.40635 .00009 0.072563 0.000019 13 6 4 56447 0.11328 .00009 0.40599 .00009 0.071985 0.000020 13 6 5 56448 0.11420 .00009 0.40541 .00009 0.071476 0.000020 13 6 6 56449 0.11468 .00009 0.40470 .00009 0.071051 0.000019 IERS Final Values MJD x y UT1-UTC " " s 13 4 2 56384 0.0509 0.3760 0.15659 13 4 3 56385 0.0510 0.3767 0.15502 13 4 4 56386 0.0515 0.3774 0.15342 13 4 5 56387 0.0523 0.3781 0.15173 13 4 6 56388 0.0528 0.3788 0.14992 13 4 7 56389 0.0531 0.3794 0.14804 13 4 8 56390 0.0536 0.3801 0.14614 13 4 9 56391 0.0541 0.3812 0.14429 13 4 10 56392 0.0550 0.3824 0.14255 13 4 11 56393 0.0555 0.3835 0.14095 13 4 12 56394 0.0555 0.3842 0.13951 13 4 13 56395 0.0555 0.3851 0.13821 13 4 14 56396 0.0555 0.3856 0.13703 13 4 15 56397 0.0556 0.3860 0.13592 13 4 16 56398 0.0559 0.3864 0.13482 13 4 17 56399 0.0565 0.3870 0.13368 13 4 18 56400 0.0575 0.3875 0.13251 13 4 19 56401 0.0586 0.3887 0.13128 13 4 20 56402 0.0594 0.3899 0.12990 13 4 21 56403 0.0600 0.3909 0.12836 13 4 22 56404 0.0610 0.3919 0.12671 13 4 23 56405 0.0620 0.3928 0.12496 13 4 24 56406 0.0630 0.3933 0.12314 13 4 25 56407 0.0639 0.3939 0.12132 13 4 26 56408 0.0648 0.3942 0.11957 13 4 27 56409 0.0657 0.3948 0.11796 13 4 28 56410 0.0661 0.3952 0.11649 13 4 29 56411 0.0669 0.3955 0.11512 13 4 30 56412 0.0679 0.3960 0.11376 13 5 1 56413 0.0691 0.3962 0.11237 _______________________________________________________________________ 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 = 0.0937 - 0.0083 cos A + 0.1370 sin A + 0.0333 cos C - 0.0618 sin C y = 0.3433 + 0.1204 cos A + 0.0096 sin A - 0.0618 cos C - 0.0333 sin C UT1-UTC = 0.0945 - 0.00100 (MJD - 56457) - (UT2-UT1) where A = 2*pi*(MJD-56449)/365.25 and C = 2*pi*(MJD-56449)/435. TAI-UTC(MJD 56450) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56449)**0.80 S t = 0.00025 (MJD-56449)**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 7 56450 0.1154 0.4039 0.07079 2013 6 8 56451 0.1162 0.4032 0.07066 2013 6 9 56452 0.1173 0.4026 0.07057 2013 6 10 56453 0.1185 0.4021 0.07049 2013 6 11 56454 0.1199 0.4017 0.07035 2013 6 12 56455 0.1214 0.4013 0.07012 2013 6 13 56456 0.1228 0.4009 0.06977 2013 6 14 56457 0.1243 0.4005 0.06931 2013 6 15 56458 0.1257 0.4001 0.06875 2013 6 16 56459 0.1271 0.3997 0.06812 2013 6 17 56460 0.1284 0.3992 0.06747 2013 6 18 56461 0.1298 0.3987 0.06684 2013 6 19 56462 0.1311 0.3981 0.06624 2013 6 20 56463 0.1324 0.3975 0.06577 2013 6 21 56464 0.1338 0.3970 0.06544 2013 6 22 56465 0.1351 0.3964 0.06522 2013 6 23 56466 0.1365 0.3958 0.06502 2013 6 24 56467 0.1378 0.3952 0.06475 2013 6 25 56468 0.1392 0.3946 0.06435 2013 6 26 56469 0.1405 0.3940 0.06380 2013 6 27 56470 0.1419 0.3933 0.06312 2013 6 28 56471 0.1432 0.3926 0.06237 2013 6 29 56472 0.1446 0.3919 0.06164 2013 6 30 56473 0.1459 0.3912 0.06098 2013 7 1 56474 0.1472 0.3904 0.06043 2013 7 2 56475 0.1485 0.3897 0.06003 2013 7 3 56476 0.1498 0.3889 0.05977 2013 7 4 56477 0.1511 0.3880 0.05964 2013 7 5 56478 0.1524 0.3872 0.05963 2013 7 6 56479 0.1536 0.3864 0.05968 2013 7 7 56480 0.1549 0.3855 0.05977 2013 7 8 56481 0.1561 0.3846 0.05985 2013 7 9 56482 0.1573 0.3837 0.05987 2013 7 10 56483 0.1585 0.3827 0.05980 2013 7 11 56484 0.1597 0.3818 0.05963 2013 7 12 56485 0.1609 0.3808 0.05936 2013 7 13 56486 0.1620 0.3798 0.05899 2013 7 14 56487 0.1632 0.3788 0.05856 2013 7 15 56488 0.1643 0.3777 0.05810 2013 7 16 56489 0.1654 0.3767 0.05765 2013 7 17 56490 0.1664 0.3756 0.05727 2013 7 18 56491 0.1675 0.3745 0.05697 2013 7 19 56492 0.1685 0.3734 0.05676 2013 7 20 56493 0.1695 0.3723 0.05660 2013 7 21 56494 0.1705 0.3711 0.05642 2013 7 22 56495 0.1715 0.3700 0.05616 2013 7 23 56496 0.1724 0.3688 0.05576 2013 7 24 56497 0.1733 0.3676 0.05522 2013 7 25 56498 0.1742 0.3664 0.05457 2013 7 26 56499 0.1751 0.3652 0.05391 2013 7 27 56500 0.1760 0.3639 0.05329 2013 7 28 56501 0.1768 0.3627 0.05279 2013 7 29 56502 0.1776 0.3614 0.05243 2013 7 30 56503 0.1784 0.3601 0.05222 2013 7 31 56504 0.1791 0.3588 0.05215 2013 8 1 56505 0.1798 0.3575 0.05219 2013 8 2 56506 0.1805 0.3562 0.05230 2013 8 3 56507 0.1812 0.3548 0.05243 2013 8 4 56508 0.1819 0.3535 0.05254 2013 8 5 56509 0.1825 0.3521 0.05258 2013 8 6 56510 0.1831 0.3508 0.05252 2013 8 7 56511 0.1836 0.3494 0.05235 2013 8 8 56512 0.1842 0.3480 0.05204 2013 8 9 56513 0.1847 0.3466 0.05162 2013 8 10 56514 0.1852 0.3452 0.05111 2013 8 11 56515 0.1856 0.3438 0.05056 2013 8 12 56516 0.1860 0.3423 0.05002 2013 8 13 56517 0.1864 0.3409 0.04953 2013 8 14 56518 0.1868 0.3395 0.04912 2013 8 15 56519 0.1871 0.3380 0.04880 2013 8 16 56520 0.1874 0.3365 0.04852 2013 8 17 56521 0.1877 0.3351 0.04825 2013 8 18 56522 0.1880 0.3336 0.04791 2013 8 19 56523 0.1882 0.3321 0.04743 2013 8 20 56524 0.1884 0.3307 0.04679 2013 8 21 56525 0.1885 0.3292 0.04599 2013 8 22 56526 0.1886 0.3277 0.04508 2013 8 23 56527 0.1887 0.3262 0.04414 2013 8 24 56528 0.1888 0.3247 0.04325 2013 8 25 56529 0.1888 0.3232 0.04247 2013 8 26 56530 0.1889 0.3217 0.04183 2013 8 27 56531 0.1888 0.3202 0.04133 2013 8 28 56532 0.1888 0.3187 0.04095 2013 8 29 56533 0.1887 0.3173 0.04064 2013 8 30 56534 0.1886 0.3158 0.04037 2013 8 31 56535 0.1884 0.3143 0.04010 2013 9 1 56536 0.1882 0.3128 0.03977 2013 9 2 56537 0.1880 0.3113 0.03935 2013 9 3 56538 0.1878 0.3098 0.03880 2013 9 4 56539 0.1875 0.3083 0.03812 2013 9 5 56540 0.1872 0.3068 0.03731 2013 9 6 56541 0.1869 0.3053 0.03638 2013 9 7 56542 0.1865 0.3039 0.03539 2013 9 8 56543 0.1861 0.3024 0.03437 2013 9 9 56544 0.1857 0.3009 0.03340 2013 9 10 56545 0.1853 0.2995 0.03250 2013 9 11 56546 0.1848 0.2980 0.03169 2013 9 12 56547 0.1843 0.2966 0.03095 2013 9 13 56548 0.1837 0.2951 0.03024 2013 9 14 56549 0.1831 0.2937 0.02948 2013 9 15 56550 0.1825 0.2923 0.02862 2013 9 16 56551 0.1819 0.2909 0.02760 2013 9 17 56552 0.1812 0.2895 0.02643 2013 9 18 56553 0.1805 0.2881 0.02512 2013 9 19 56554 0.1798 0.2867 0.02374 2013 9 20 56555 0.1791 0.2853 0.02237 2013 9 21 56556 0.1783 0.2839 0.02109 2013 9 22 56557 0.1775 0.2826 0.01993 2013 9 23 56558 0.1767 0.2812 0.01889 2013 9 24 56559 0.1758 0.2799 0.01798 2013 9 25 56560 0.1749 0.2786 0.01717 2013 9 26 56561 0.1740 0.2773 0.01642 2013 9 27 56562 0.1730 0.2760 0.01568 2013 9 28 56563 0.1721 0.2747 0.01491 2013 9 29 56564 0.1711 0.2735 0.01405 2013 9 30 56565 0.1700 0.2722 0.01308 2013 10 1 56566 0.1690 0.2710 0.01198 2013 10 2 56567 0.1679 0.2698 0.01074 2013 10 3 56568 0.1668 0.2686 0.00938 2013 10 4 56569 0.1657 0.2674 0.00792 2013 10 5 56570 0.1645 0.2662 0.00642 2013 10 6 56571 0.1633 0.2651 0.00493 2013 10 7 56572 0.1621 0.2640 0.00350 2013 10 8 56573 0.1609 0.2628 0.00218 2013 10 9 56574 0.1596 0.2618 0.00094 2013 10 10 56575 0.1584 0.2607 -0.00024 2013 10 11 56576 0.1571 0.2596 -0.00144 2013 10 12 56577 0.1557 0.2586 -0.00270 2013 10 13 56578 0.1544 0.2576 -0.00407 2013 10 14 56579 0.1530 0.2566 -0.00558 2013 10 15 56580 0.1516 0.2556 -0.00721 2013 10 16 56581 0.1502 0.2547 -0.00891 2013 10 17 56582 0.1488 0.2538 -0.01062 2013 10 18 56583 0.1473 0.2528 -0.01227 2013 10 19 56584 0.1459 0.2520 -0.01381 2013 10 20 56585 0.1444 0.2511 -0.01520 2013 10 21 56586 0.1428 0.2503 -0.01645 2013 10 22 56587 0.1413 0.2495 -0.01757 2013 10 23 56588 0.1398 0.2487 -0.01861 2013 10 24 56589 0.1382 0.2479 -0.01960 2013 10 25 56590 0.1366 0.2472 -0.02059 2013 10 26 56591 0.1350 0.2465 -0.02163 2013 10 27 56592 0.1334 0.2458 -0.02275 2013 10 28 56593 0.1318 0.2451 -0.02397 2013 10 29 56594 0.1301 0.2445 -0.02531 2013 10 30 56595 0.1284 0.2438 -0.02677 2013 10 31 56596 0.1268 0.2433 -0.02832 2013 11 1 56597 0.1251 0.2427 -0.02992 2013 11 2 56598 0.1234 0.2422 -0.03153 2013 11 3 56599 0.1216 0.2417 -0.03310 2013 11 4 56600 0.1199 0.2412 -0.03457 2013 11 5 56601 0.1182 0.2407 -0.03594 2013 11 6 56602 0.1164 0.2403 -0.03722 2013 11 7 56603 0.1146 0.2399 -0.03848 2013 11 8 56604 0.1129 0.2395 -0.03977 2013 11 9 56605 0.1111 0.2392 -0.04116 2013 11 10 56606 0.1093 0.2389 -0.04264 2013 11 11 56607 0.1075 0.2386 -0.04422 2013 11 12 56608 0.1057 0.2383 -0.04586 2013 11 13 56609 0.1038 0.2381 -0.04749 2013 11 14 56610 0.1020 0.2379 -0.04907 2013 11 15 56611 0.1002 0.2377 -0.05055 2013 11 16 56612 0.0983 0.2376 -0.05189 2013 11 17 56613 0.0965 0.2374 -0.05308 2013 11 18 56614 0.0946 0.2374 -0.05415 2013 11 19 56615 0.0928 0.2373 -0.05511 2013 11 20 56616 0.0909 0.2373 -0.05600 2013 11 21 56617 0.0891 0.2373 -0.05688 2013 11 22 56618 0.0872 0.2373 -0.05778 2013 11 23 56619 0.0853 0.2374 -0.05874 2013 11 24 56620 0.0835 0.2375 -0.05979 2013 11 25 56621 0.0816 0.2376 -0.06094 2013 11 26 56622 0.0797 0.2377 -0.06220 2013 11 27 56623 0.0779 0.2379 -0.06354 2013 11 28 56624 0.0760 0.2381 -0.06496 2013 11 29 56625 0.0741 0.2384 -0.06641 2013 11 30 56626 0.0723 0.2386 -0.06784 2013 12 1 56627 0.0704 0.2389 -0.06922 2013 12 2 56628 0.0685 0.2393 -0.07051 2013 12 3 56629 0.0667 0.2396 -0.07173 2013 12 4 56630 0.0648 0.2400 -0.07291 2013 12 5 56631 0.0630 0.2404 -0.07413 2013 12 6 56632 0.0612 0.2409 -0.07544 2013 12 7 56633 0.0593 0.2414 -0.07687 2013 12 8 56634 0.0575 0.2419 -0.07843 2013 12 9 56635 0.0557 0.2424 -0.08006 2013 12 10 56636 0.0539 0.2430 -0.08171 2013 12 11 56637 0.0521 0.2436 -0.08331 2013 12 12 56638 0.0503 0.2442 -0.08481 2013 12 13 56639 0.0485 0.2448 -0.08618 2013 12 14 56640 0.0467 0.2455 -0.08740 2013 12 15 56641 0.0450 0.2462 -0.08846 2013 12 16 56642 0.0432 0.2470 -0.08937 2013 12 17 56643 0.0415 0.2477 -0.09015 2013 12 18 56644 0.0397 0.2485 -0.09084 2013 12 19 56645 0.0380 0.2493 -0.09149 2013 12 20 56646 0.0363 0.2502 -0.09213 2013 12 21 56647 0.0346 0.2511 -0.09282 2013 12 22 56648 0.0330 0.2520 -0.09359 2013 12 23 56649 0.0313 0.2529 -0.09446 2013 12 24 56650 0.0297 0.2539 -0.09544 2013 12 25 56651 0.0280 0.2548 -0.09652 2013 12 26 56652 0.0264 0.2559 -0.09768 2013 12 27 56653 0.0249 0.2569 -0.09888 2013 12 28 56654 0.0233 0.2580 -0.10008 2013 12 29 56655 0.0217 0.2590 -0.10126 2013 12 30 56656 0.0202 0.2602 -0.10240 2013 12 31 56657 0.0187 0.2613 -0.10353 2014 1 1 56658 0.0172 0.2625 -0.10469 2014 1 2 56659 0.0157 0.2636 -0.10594 2014 1 3 56660 0.0143 0.2649 -0.10734 2014 1 4 56661 0.0128 0.2661 -0.10889 2014 1 5 56662 0.0114 0.2674 -0.11054 2014 1 6 56663 0.0100 0.2686 -0.11224 2014 1 7 56664 0.0087 0.2699 -0.11388 2014 1 8 56665 0.0073 0.2713 -0.11540 2014 1 9 56666 0.0060 0.2726 -0.11672 2014 1 10 56667 0.0047 0.2740 -0.11784 2014 1 11 56668 0.0035 0.2754 -0.11876 2014 1 12 56669 0.0022 0.2768 -0.11951 2014 1 13 56670 0.0010 0.2782 -0.12011 2014 1 14 56671 -0.0002 0.2797 -0.12061 2014 1 15 56672 -0.0014 0.2812 -0.12104 2014 1 16 56673 -0.0025 0.2827 -0.12142 2014 1 17 56674 -0.0036 0.2842 -0.12186 2014 1 18 56675 -0.0047 0.2857 -0.12249 2014 1 19 56676 -0.0057 0.2873 -0.12324 2014 1 20 56677 -0.0068 0.2888 -0.12409 2014 1 21 56678 -0.0078 0.2904 -0.12506 2014 1 22 56679 -0.0087 0.2920 -0.12609 2014 1 23 56680 -0.0097 0.2936 -0.12709 2014 1 24 56681 -0.0106 0.2953 -0.12804 2014 1 25 56682 -0.0114 0.2969 -0.12896 2014 1 26 56683 -0.0123 0.2986 -0.12978 2014 1 27 56684 -0.0131 0.3003 -0.13055 2014 1 28 56685 -0.0139 0.3020 -0.13128 2014 1 29 56686 -0.0146 0.3037 -0.13206 2014 1 30 56687 -0.0154 0.3054 -0.13294 2014 1 31 56688 -0.0160 0.3071 -0.13398 2014 2 1 56689 -0.0167 0.3089 -0.13512 2014 2 2 56690 -0.0173 0.3106 -0.13632 2014 2 3 56691 -0.0179 0.3124 -0.13750 2014 2 4 56692 -0.0185 0.3142 -0.13856 2014 2 5 56693 -0.0190 0.3160 -0.13954 2014 2 6 56694 -0.0195 0.3178 -0.14035 2014 2 7 56695 -0.0199 0.3196 -0.14105 2014 2 8 56696 -0.0204 0.3214 -0.14170 2014 2 9 56697 -0.0207 0.3232 -0.14227 2014 2 10 56698 -0.0211 0.3250 -0.14282 2014 2 11 56699 -0.0214 0.3269 -0.14339 2014 2 12 56700 -0.0217 0.3287 -0.14401 2014 2 13 56701 -0.0220 0.3306 -0.14471 2014 2 14 56702 -0.0222 0.3324 -0.14550 2014 2 15 56703 -0.0223 0.3343 -0.14642 2014 2 16 56704 -0.0225 0.3362 -0.14747 2014 2 17 56705 -0.0226 0.3380 -0.14860 2014 2 18 56706 -0.0227 0.3399 -0.14976 2014 2 19 56707 -0.0227 0.3418 -0.15091 2014 2 20 56708 -0.0227 0.3437 -0.15204 2014 2 21 56709 -0.0227 0.3455 -0.15314 2014 2 22 56710 -0.0226 0.3474 -0.15420 2014 2 23 56711 -0.0225 0.3493 -0.15521 2014 2 24 56712 -0.0223 0.3512 -0.15622 2014 2 25 56713 -0.0222 0.3531 -0.15736 2014 2 26 56714 -0.0219 0.3550 -0.15868 2014 2 27 56715 -0.0217 0.3568 -0.16022 2014 2 28 56716 -0.0214 0.3587 -0.16195 2014 3 1 56717 -0.0211 0.3606 -0.16385 2014 3 2 56718 -0.0207 0.3624 -0.16578 2014 3 3 56719 -0.0203 0.3643 -0.16761 2014 3 4 56720 -0.0199 0.3662 -0.16928 2014 3 5 56721 -0.0194 0.3680 -0.17078 2014 3 6 56722 -0.0189 0.3699 -0.17211 2014 3 7 56723 -0.0184 0.3717 -0.17327 2014 3 8 56724 -0.0178 0.3735 -0.17441 2014 3 9 56725 -0.0172 0.3754 -0.17554 2014 3 10 56726 -0.0165 0.3772 -0.17666 2014 3 11 56727 -0.0158 0.3790 -0.17784 2014 3 12 56728 -0.0151 0.3808 -0.17909 2014 3 13 56729 -0.0143 0.3826 -0.18048 2014 3 14 56730 -0.0136 0.3844 -0.18195 2014 3 15 56731 -0.0127 0.3861 -0.18345 2014 3 16 56732 -0.0119 0.3879 -0.18502 2014 3 17 56733 -0.0110 0.3896 -0.18666 2014 3 18 56734 -0.0100 0.3914 -0.18830 2014 3 19 56735 -0.0091 0.3931 -0.18988 2014 3 20 56736 -0.0081 0.3948 -0.19136 2014 3 21 56737 -0.0071 0.3965 -0.19281 2014 3 22 56738 -0.0060 0.3982 -0.19418 2014 3 23 56739 -0.0049 0.3998 -0.19548 2014 3 24 56740 -0.0038 0.4015 -0.19687 2014 3 25 56741 -0.0026 0.4031 -0.19838 2014 3 26 56742 -0.0014 0.4047 -0.19998 2014 3 27 56743 -0.0002 0.4063 -0.20172 2014 3 28 56744 0.0011 0.4079 -0.20365 2014 3 29 56745 0.0024 0.4095 -0.20569 2014 3 30 56746 0.0037 0.4110 -0.20777 2014 3 31 56747 0.0051 0.4125 -0.20979 2014 4 1 56748 0.0064 0.4140 -0.21161 2014 4 2 56749 0.0079 0.4155 -0.21319 2014 4 3 56750 0.0093 0.4170 -0.21455 2014 4 4 56751 0.0108 0.4184 -0.21578 2014 4 5 56752 0.0123 0.4199 -0.21692 2014 4 6 56753 0.0138 0.4213 -0.21802 2014 4 7 56754 0.0154 0.4226 -0.21911 2014 4 8 56755 0.0170 0.4240 -0.22024 2014 4 9 56756 0.0186 0.4253 -0.22143 2014 4 10 56757 0.0202 0.4266 -0.22271 2014 4 11 56758 0.0219 0.4279 -0.22409 2014 4 12 56759 0.0236 0.4291 -0.22560 2014 4 13 56760 0.0253 0.4304 -0.22720 2014 4 14 56761 0.0271 0.4316 -0.22883 2014 4 15 56762 0.0288 0.4328 -0.23046 2014 4 16 56763 0.0306 0.4339 -0.23204 2014 4 17 56764 0.0325 0.4350 -0.23357 2014 4 18 56765 0.0343 0.4361 -0.23504 2014 4 19 56766 0.0362 0.4372 -0.23641 2014 4 20 56767 0.0381 0.4382 -0.23774 2014 4 21 56768 0.0400 0.4392 -0.23913 2014 4 22 56769 0.0419 0.4402 -0.24066 2014 4 23 56770 0.0439 0.4412 -0.24235 2014 4 24 56771 0.0459 0.4421 -0.24417 2014 4 25 56772 0.0479 0.4430 -0.24606 2014 4 26 56773 0.0499 0.4439 -0.24804 2014 4 27 56774 0.0519 0.4447 -0.25000 2014 4 28 56775 0.0540 0.4455 -0.25185 2014 4 29 56776 0.0560 0.4463 -0.25353 2014 4 30 56777 0.0581 0.4470 -0.25501 2014 5 1 56778 0.0602 0.4477 -0.25634 2014 5 2 56779 0.0623 0.4484 -0.25755 2014 5 3 56780 0.0645 0.4491 -0.25862 2014 5 4 56781 0.0666 0.4497 -0.25966 2014 5 5 56782 0.0688 0.4503 -0.26070 2014 5 6 56783 0.0710 0.4508 -0.26179 2014 5 7 56784 0.0732 0.4513 -0.26297 2014 5 8 56785 0.0754 0.4518 -0.26428 2014 5 9 56786 0.0776 0.4522 -0.26568 2014 5 10 56787 0.0798 0.4527 -0.26716 2014 5 11 56788 0.0821 0.4530 -0.26860 2014 5 12 56789 0.0843 0.4534 -0.27005 2014 5 13 56790 0.0866 0.4537 -0.27138 2014 5 14 56791 0.0888 0.4540 -0.27255 2014 5 15 56792 0.0911 0.4542 -0.27363 2014 5 16 56793 0.0934 0.4544 -0.27459 2014 5 17 56794 0.0957 0.4546 -0.27543 2014 5 18 56795 0.0980 0.4547 -0.27636 2014 5 19 56796 0.1003 0.4548 -0.27736 2014 5 20 56797 0.1026 0.4549 -0.27844 2014 5 21 56798 0.1049 0.4549 -0.27958 2014 5 22 56799 0.1072 0.4549 -0.28072 2014 5 23 56800 0.1095 0.4549 -0.28186 2014 5 24 56801 0.1118 0.4548 -0.28289 2014 5 25 56802 0.1142 0.4547 -0.28381 2014 5 26 56803 0.1165 0.4545 -0.28462 2014 5 27 56804 0.1188 0.4544 -0.28524 2014 5 28 56805 0.1211 0.4541 -0.28570 2014 5 29 56806 0.1235 0.4539 -0.28602 2014 5 30 56807 0.1258 0.4536 -0.28624 2014 5 31 56808 0.1281 0.4533 -0.28641 2014 6 1 56809 0.1304 0.4529 -0.28660 2014 6 2 56810 0.1327 0.4525 -0.28686 2014 6 3 56811 0.1350 0.4521 -0.28716 2014 6 4 56812 0.1373 0.4516 -0.28754 2014 6 5 56813 0.1396 0.4511 -0.28804 2014 6 6 56814 0.1419 0.4506 -0.28858 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) 56427 -74.39 0.13 -13.90 0.07 56428 -74.59 0.13 -13.95 0.07 56429 -74.62 0.13 -13.86 0.07 56430 -74.39 0.14 -13.70 0.11 56431 -74.21 0.14 -13.65 0.11 56432 -74.40 0.26 -13.76 0.12 56433 -74.89 0.94 -13.86 0.25 56434 -75.35 0.94 -13.74 0.25 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 56384 -73.9 -12.9 56385 -74.0 -12.9 56386 -74.3 -12.9 56387 -74.4 -12.9 56388 -74.2 -12.8 56389 -73.9 -12.7 56390 -73.7 -12.5 56391 -73.7 -12.5 56392 -73.7 -12.6 56393 -73.6 -12.9 56394 -73.5 -13.1 56395 -73.5 -13.2 56396 -73.6 -13.2 56397 -73.6 -13.3 56398 -73.6 -13.3 56399 -73.5 -13.4 56400 -73.3 -13.4 56401 -73.0 -13.3 56402 -72.8 -13.2 56403 -72.7 -13.3 56404 -72.9 -13.4 56405 -73.2 -13.5 56406 -73.5 -13.4 56407 -73.7 -13.1 56408 -73.9 -13.1 56409 -74.1 -13.3 56410 -74.1 -13.7 56411 -74.1 -13.8 56412 -74.1 -13.8 56413 -74.1 -13.7 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56427 0.168 0.052 -0.281 0.070 56428 0.138 0.052 -0.338 0.070 56429 0.108 0.052 -0.365 0.070 56430 0.095 0.056 -0.376 0.110 56431 0.086 0.056 -0.405 0.110 56432 0.079 0.103 -0.453 0.120 56433 0.085 0.374 -0.503 0.250 56434 0.106 0.374 -0.533 0.250 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 56384 0.30 -0.36 56385 0.28 -0.33 56386 0.20 -0.27 56387 0.15 -0.20 56388 0.15 -0.14 56389 0.18 -0.19 56390 0.24 -0.17 56391 0.28 -0.23 56392 0.31 -0.21 56393 0.34 -0.27 56394 0.36 -0.25 56395 0.35 -0.24 56396 0.33 -0.21 56397 0.33 -0.28 56398 0.30 -0.19 56399 0.29 -0.21 56400 0.30 -0.24 56401 0.33 -0.28 56402 0.33 -0.31 56403 0.35 -0.38 56404 0.34 -0.31 56405 0.32 -0.34 56406 0.27 -0.41 56407 0.22 -0.37 56408 0.18 -0.44 56409 0.14 -0.39 56410 0.15 -0.43 56411 0.12 -0.33 56412 0.08 -0.36 56413 0.10 -0.37 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).