********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 20 June 2013 Vol. XXVI No. 025 ______________________________________________________________________ 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 14 56457 0.12233 .00009 0.39950 .00009 0.069184 0.000013 13 6 15 56458 0.12394 .00009 0.39896 .00010 0.068548 0.000028 13 6 16 56459 0.12565 .00009 0.39858 .00009 0.067819 0.000013 13 6 17 56460 0.12743 .00010 0.39825 .00009 0.067012 0.000006 13 6 18 56461 0.12929 .00010 0.39793 .00009 0.066165 0.000005 13 6 19 56462 0.13110 .00010 0.39784 .00009 0.065345 0.000005 13 6 20 56463 0.13266 .00009 0.39776 .00009 0.064576 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 = 0.0942 + 0.0215 cos A + 0.1310 sin A + 0.0205 cos C - 0.0625 sin C y = 0.3427 + 0.1158 cos A - 0.0166 sin A - 0.0625 cos C - 0.0205 sin C UT1-UTC = 0.0777 - 0.00101 (MJD - 56471) - (UT2-UT1) where A = 2*pi*(MJD-56463)/365.25 and C = 2*pi*(MJD-56463)/435. TAI-UTC(MJD 56464) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56463)**0.80 S t = 0.00025 (MJD-56463)**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 21 56464 0.1341 0.3975 0.06396 2013 6 22 56465 0.1355 0.3971 0.06348 2013 6 23 56466 0.1368 0.3967 0.06306 2013 6 24 56467 0.1381 0.3961 0.06262 2013 6 25 56468 0.1394 0.3955 0.06210 2013 6 26 56469 0.1408 0.3949 0.06147 2013 6 27 56470 0.1422 0.3942 0.06076 2013 6 28 56471 0.1436 0.3936 0.06002 2013 6 29 56472 0.1450 0.3929 0.05931 2013 6 30 56473 0.1464 0.3922 0.05867 2013 7 1 56474 0.1478 0.3915 0.05815 2013 7 2 56475 0.1491 0.3907 0.05778 2013 7 3 56476 0.1505 0.3899 0.05753 2013 7 4 56477 0.1518 0.3891 0.05742 2013 7 5 56478 0.1531 0.3882 0.05742 2013 7 6 56479 0.1544 0.3874 0.05751 2013 7 7 56480 0.1557 0.3865 0.05764 2013 7 8 56481 0.1569 0.3856 0.05778 2013 7 9 56482 0.1582 0.3846 0.05789 2013 7 10 56483 0.1594 0.3837 0.05793 2013 7 11 56484 0.1606 0.3827 0.05789 2013 7 12 56485 0.1618 0.3817 0.05777 2013 7 13 56486 0.1630 0.3807 0.05756 2013 7 14 56487 0.1641 0.3797 0.05727 2013 7 15 56488 0.1653 0.3786 0.05693 2013 7 16 56489 0.1664 0.3775 0.05657 2013 7 17 56490 0.1674 0.3764 0.05624 2013 7 18 56491 0.1685 0.3753 0.05598 2013 7 19 56492 0.1696 0.3741 0.05578 2013 7 20 56493 0.1706 0.3730 0.05561 2013 7 21 56494 0.1716 0.3718 0.05542 2013 7 22 56495 0.1725 0.3706 0.05514 2013 7 23 56496 0.1735 0.3694 0.05472 2013 7 24 56497 0.1744 0.3682 0.05414 2013 7 25 56498 0.1753 0.3669 0.05345 2013 7 26 56499 0.1762 0.3657 0.05272 2013 7 27 56500 0.1771 0.3644 0.05205 2013 7 28 56501 0.1779 0.3631 0.05148 2013 7 29 56502 0.1787 0.3618 0.05107 2013 7 30 56503 0.1795 0.3605 0.05080 2013 7 31 56504 0.1802 0.3592 0.05068 2013 8 1 56505 0.1809 0.3578 0.05067 2013 8 2 56506 0.1816 0.3565 0.05074 2013 8 3 56507 0.1823 0.3551 0.05085 2013 8 4 56508 0.1829 0.3537 0.05094 2013 8 5 56509 0.1836 0.3523 0.05097 2013 8 6 56510 0.1841 0.3509 0.05091 2013 8 7 56511 0.1847 0.3495 0.05073 2013 8 8 56512 0.1852 0.3481 0.05042 2013 8 9 56513 0.1857 0.3466 0.04999 2013 8 10 56514 0.1862 0.3452 0.04947 2013 8 11 56515 0.1867 0.3438 0.04889 2013 8 12 56516 0.1871 0.3423 0.04831 2013 8 13 56517 0.1875 0.3408 0.04777 2013 8 14 56518 0.1878 0.3394 0.04730 2013 8 15 56519 0.1881 0.3379 0.04691 2013 8 16 56520 0.1884 0.3364 0.04657 2013 8 17 56521 0.1887 0.3349 0.04624 2013 8 18 56522 0.1889 0.3334 0.04583 2013 8 19 56523 0.1891 0.3319 0.04530 2013 8 20 56524 0.1893 0.3304 0.04459 2013 8 21 56525 0.1895 0.3289 0.04373 2013 8 22 56526 0.1896 0.3274 0.04276 2013 8 23 56527 0.1897 0.3259 0.04178 2013 8 24 56528 0.1897 0.3243 0.04086 2013 8 25 56529 0.1897 0.3228 0.04005 2013 8 26 56530 0.1897 0.3213 0.03939 2013 8 27 56531 0.1897 0.3198 0.03887 2013 8 28 56532 0.1896 0.3182 0.03847 2013 8 29 56533 0.1895 0.3167 0.03815 2013 8 30 56534 0.1894 0.3152 0.03787 2013 8 31 56535 0.1892 0.3137 0.03759 2013 9 1 56536 0.1890 0.3122 0.03726 2013 9 2 56537 0.1888 0.3106 0.03685 2013 9 3 56538 0.1885 0.3091 0.03632 2013 9 4 56539 0.1882 0.3076 0.03566 2013 9 5 56540 0.1879 0.3061 0.03486 2013 9 6 56541 0.1876 0.3046 0.03396 2013 9 7 56542 0.1872 0.3031 0.03298 2013 9 8 56543 0.1868 0.3016 0.03199 2013 9 9 56544 0.1863 0.3001 0.03103 2013 9 10 56545 0.1859 0.2986 0.03013 2013 9 11 56546 0.1854 0.2972 0.02932 2013 9 12 56547 0.1848 0.2957 0.02856 2013 9 13 56548 0.1843 0.2942 0.02782 2013 9 14 56549 0.1837 0.2928 0.02701 2013 9 15 56550 0.1830 0.2913 0.02609 2013 9 16 56551 0.1824 0.2899 0.02501 2013 9 17 56552 0.1817 0.2885 0.02376 2013 9 18 56553 0.1810 0.2871 0.02238 2013 9 19 56554 0.1802 0.2857 0.02093 2013 9 20 56555 0.1795 0.2843 0.01949 2013 9 21 56556 0.1787 0.2829 0.01814 2013 9 22 56557 0.1778 0.2815 0.01692 2013 9 23 56558 0.1770 0.2802 0.01585 2013 9 24 56559 0.1761 0.2788 0.01492 2013 9 25 56560 0.1752 0.2775 0.01409 2013 9 26 56561 0.1742 0.2762 0.01332 2013 9 27 56562 0.1732 0.2749 0.01257 2013 9 28 56563 0.1722 0.2736 0.01178 2013 9 29 56564 0.1712 0.2723 0.01093 2013 9 30 56565 0.1702 0.2710 0.00997 2013 10 1 56566 0.1691 0.2698 0.00888 2013 10 2 56567 0.1680 0.2686 0.00766 2013 10 3 56568 0.1668 0.2674 0.00632 2013 10 4 56569 0.1657 0.2662 0.00490 2013 10 5 56570 0.1645 0.2650 0.00343 2013 10 6 56571 0.1633 0.2639 0.00198 2013 10 7 56572 0.1620 0.2627 0.00057 2013 10 8 56573 0.1608 0.2616 -0.00075 2013 10 9 56574 0.1595 0.2605 -0.00198 2013 10 10 56575 0.1582 0.2594 -0.00316 2013 10 11 56576 0.1569 0.2584 -0.00435 2013 10 12 56577 0.1555 0.2573 -0.00560 2013 10 13 56578 0.1541 0.2563 -0.00697 2013 10 14 56579 0.1527 0.2553 -0.00848 2013 10 15 56580 0.1513 0.2543 -0.01011 2013 10 16 56581 0.1499 0.2534 -0.01181 2013 10 17 56582 0.1484 0.2525 -0.01352 2013 10 18 56583 0.1469 0.2516 -0.01518 2013 10 19 56584 0.1454 0.2507 -0.01673 2013 10 20 56585 0.1439 0.2498 -0.01814 2013 10 21 56586 0.1423 0.2490 -0.01940 2013 10 22 56587 0.1408 0.2482 -0.02054 2013 10 23 56588 0.1392 0.2474 -0.02160 2013 10 24 56589 0.1376 0.2466 -0.02262 2013 10 25 56590 0.1360 0.2459 -0.02365 2013 10 26 56591 0.1343 0.2452 -0.02472 2013 10 27 56592 0.1327 0.2445 -0.02588 2013 10 28 56593 0.1310 0.2438 -0.02714 2013 10 29 56594 0.1293 0.2432 -0.02854 2013 10 30 56595 0.1276 0.2426 -0.03004 2013 10 31 56596 0.1259 0.2420 -0.03165 2013 11 1 56597 0.1242 0.2414 -0.03332 2013 11 2 56598 0.1225 0.2409 -0.03500 2013 11 3 56599 0.1207 0.2404 -0.03663 2013 11 4 56600 0.1190 0.2399 -0.03817 2013 11 5 56601 0.1172 0.2395 -0.03960 2013 11 6 56602 0.1154 0.2391 -0.04096 2013 11 7 56603 0.1136 0.2387 -0.04229 2013 11 8 56604 0.1118 0.2383 -0.04365 2013 11 9 56605 0.1100 0.2380 -0.04510 2013 11 10 56606 0.1081 0.2377 -0.04666 2013 11 11 56607 0.1063 0.2374 -0.04831 2013 11 12 56608 0.1045 0.2372 -0.05001 2013 11 13 56609 0.1026 0.2370 -0.05171 2013 11 14 56610 0.1007 0.2368 -0.05336 2013 11 15 56611 0.0989 0.2366 -0.05490 2013 11 16 56612 0.0970 0.2365 -0.05631 2013 11 17 56613 0.0951 0.2364 -0.05756 2013 11 18 56614 0.0932 0.2363 -0.05868 2013 11 19 56615 0.0914 0.2363 -0.05970 2013 11 20 56616 0.0895 0.2363 -0.06064 2013 11 21 56617 0.0876 0.2363 -0.06157 2013 11 22 56618 0.0857 0.2364 -0.06251 2013 11 23 56619 0.0838 0.2364 -0.06351 2013 11 24 56620 0.0819 0.2365 -0.06459 2013 11 25 56621 0.0800 0.2367 -0.06577 2013 11 26 56622 0.0781 0.2369 -0.06705 2013 11 27 56623 0.0762 0.2371 -0.06842 2013 11 28 56624 0.0743 0.2373 -0.06985 2013 11 29 56625 0.0724 0.2376 -0.07130 2013 11 30 56626 0.0705 0.2379 -0.07273 2013 12 1 56627 0.0686 0.2382 -0.07410 2013 12 2 56628 0.0667 0.2385 -0.07537 2013 12 3 56629 0.0648 0.2389 -0.07656 2013 12 4 56630 0.0630 0.2393 -0.07770 2013 12 5 56631 0.0611 0.2398 -0.07886 2013 12 6 56632 0.0592 0.2402 -0.08009 2013 12 7 56633 0.0574 0.2408 -0.08144 2013 12 8 56634 0.0555 0.2413 -0.08288 2013 12 9 56635 0.0537 0.2419 -0.08437 2013 12 10 56636 0.0518 0.2424 -0.08586 2013 12 11 56637 0.0500 0.2431 -0.08729 2013 12 12 56638 0.0482 0.2437 -0.08861 2013 12 13 56639 0.0464 0.2444 -0.08979 2013 12 14 56640 0.0446 0.2451 -0.09083 2013 12 15 56641 0.0428 0.2459 -0.09174 2013 12 16 56642 0.0410 0.2466 -0.09255 2013 12 17 56643 0.0392 0.2474 -0.09329 2013 12 18 56644 0.0375 0.2483 -0.09402 2013 12 19 56645 0.0357 0.2491 -0.09477 2013 12 20 56646 0.0340 0.2500 -0.09558 2013 12 21 56647 0.0323 0.2509 -0.09649 2013 12 22 56648 0.0306 0.2518 -0.09750 2013 12 23 56649 0.0289 0.2528 -0.09864 2013 12 24 56650 0.0273 0.2538 -0.09988 2013 12 25 56651 0.0256 0.2548 -0.10120 2013 12 26 56652 0.0240 0.2559 -0.10258 2013 12 27 56653 0.0224 0.2569 -0.10396 2013 12 28 56654 0.0208 0.2580 -0.10529 2013 12 29 56655 0.0192 0.2592 -0.10655 2013 12 30 56656 0.0177 0.2603 -0.10772 2013 12 31 56657 0.0161 0.2615 -0.10881 2014 1 1 56658 0.0146 0.2627 -0.10988 2014 1 2 56659 0.0131 0.2639 -0.11099 2014 1 3 56660 0.0117 0.2652 -0.11217 2014 1 4 56661 0.0102 0.2665 -0.11344 2014 1 5 56662 0.0088 0.2678 -0.11475 2014 1 6 56663 0.0074 0.2691 -0.11605 2014 1 7 56664 0.0060 0.2704 -0.11727 2014 1 8 56665 0.0046 0.2718 -0.11837 2014 1 9 56666 0.0033 0.2732 -0.11931 2014 1 10 56667 0.0020 0.2746 -0.12009 2014 1 11 56668 0.0007 0.2760 -0.12074 2014 1 12 56669 -0.0005 0.2775 -0.12130 2014 1 13 56670 -0.0018 0.2790 -0.12179 2014 1 14 56671 -0.0030 0.2805 -0.12228 2014 1 15 56672 -0.0041 0.2820 -0.12280 2014 1 16 56673 -0.0053 0.2835 -0.12339 2014 1 17 56674 -0.0064 0.2851 -0.12407 2014 1 18 56675 -0.0075 0.2867 -0.12487 2014 1 19 56676 -0.0086 0.2883 -0.12580 2014 1 20 56677 -0.0096 0.2899 -0.12687 2014 1 21 56678 -0.0106 0.2915 -0.12806 2014 1 22 56679 -0.0116 0.2932 -0.12933 2014 1 23 56680 -0.0125 0.2948 -0.13064 2014 1 24 56681 -0.0135 0.2965 -0.13193 2014 1 25 56682 -0.0143 0.2982 -0.13318 2014 1 26 56683 -0.0152 0.2999 -0.13438 2014 1 27 56684 -0.0160 0.3016 -0.13555 2014 1 28 56685 -0.0168 0.3034 -0.13673 2014 1 29 56686 -0.0176 0.3051 -0.13798 2014 1 30 56687 -0.0183 0.3069 -0.13936 2014 1 31 56688 -0.0190 0.3087 -0.14096 2014 2 1 56689 -0.0196 0.3105 -0.14273 2014 2 2 56690 -0.0203 0.3123 -0.14460 2014 2 3 56691 -0.0209 0.3141 -0.14648 2014 2 4 56692 -0.0214 0.3159 -0.14831 2014 2 5 56693 -0.0219 0.3178 -0.14996 2014 2 6 56694 -0.0224 0.3196 -0.15136 2014 2 7 56695 -0.0229 0.3215 -0.15255 2014 2 8 56696 -0.0233 0.3233 -0.15359 2014 2 9 56697 -0.0237 0.3252 -0.15446 2014 2 10 56698 -0.0241 0.3271 -0.15522 2014 2 11 56699 -0.0244 0.3290 -0.15592 2014 2 12 56700 -0.0247 0.3309 -0.15657 2014 2 13 56701 -0.0249 0.3328 -0.15720 2014 2 14 56702 -0.0251 0.3347 -0.15792 2014 2 15 56703 -0.0253 0.3366 -0.15884 2014 2 16 56704 -0.0254 0.3385 -0.15989 2014 2 17 56705 -0.0255 0.3404 -0.16102 2014 2 18 56706 -0.0256 0.3423 -0.16227 2014 2 19 56707 -0.0256 0.3442 -0.16353 2014 2 20 56708 -0.0256 0.3462 -0.16474 2014 2 21 56709 -0.0256 0.3481 -0.16588 2014 2 22 56710 -0.0255 0.3500 -0.16696 2014 2 23 56711 -0.0254 0.3519 -0.16796 2014 2 24 56712 -0.0252 0.3539 -0.16894 2014 2 25 56713 -0.0250 0.3558 -0.16992 2014 2 26 56714 -0.0248 0.3577 -0.17098 2014 2 27 56715 -0.0245 0.3596 -0.17218 2014 2 28 56716 -0.0242 0.3616 -0.17354 2014 3 1 56717 -0.0239 0.3635 -0.17501 2014 3 2 56718 -0.0235 0.3654 -0.17651 2014 3 3 56719 -0.0231 0.3673 -0.17796 2014 3 4 56720 -0.0227 0.3692 -0.17928 2014 3 5 56721 -0.0222 0.3711 -0.18049 2014 3 6 56722 -0.0217 0.3730 -0.18153 2014 3 7 56723 -0.0211 0.3749 -0.18247 2014 3 8 56724 -0.0205 0.3768 -0.18337 2014 3 9 56725 -0.0199 0.3786 -0.18421 2014 3 10 56726 -0.0192 0.3805 -0.18505 2014 3 11 56727 -0.0185 0.3823 -0.18593 2014 3 12 56728 -0.0178 0.3842 -0.18688 2014 3 13 56729 -0.0170 0.3860 -0.18792 2014 3 14 56730 -0.0162 0.3878 -0.18905 2014 3 15 56731 -0.0153 0.3896 -0.19032 2014 3 16 56732 -0.0145 0.3914 -0.19170 2014 3 17 56733 -0.0136 0.3932 -0.19314 2014 3 18 56734 -0.0126 0.3950 -0.19458 2014 3 19 56735 -0.0116 0.3968 -0.19598 2014 3 20 56736 -0.0106 0.3985 -0.19732 2014 3 21 56737 -0.0095 0.4002 -0.19861 2014 3 22 56738 -0.0085 0.4020 -0.19984 2014 3 23 56739 -0.0073 0.4037 -0.20103 2014 3 24 56740 -0.0062 0.4053 -0.20224 2014 3 25 56741 -0.0050 0.4070 -0.20361 2014 3 26 56742 -0.0038 0.4087 -0.20516 2014 3 27 56743 -0.0025 0.4103 -0.20693 2014 3 28 56744 -0.0012 0.4119 -0.20887 2014 3 29 56745 0.0001 0.4135 -0.21094 2014 3 30 56746 0.0014 0.4151 -0.21299 2014 3 31 56747 0.0028 0.4166 -0.21491 2014 4 1 56748 0.0042 0.4182 -0.21664 2014 4 2 56749 0.0057 0.4197 -0.21819 2014 4 3 56750 0.0072 0.4212 -0.21957 2014 4 4 56751 0.0087 0.4227 -0.22079 2014 4 5 56752 0.0102 0.4241 -0.22200 2014 4 6 56753 0.0118 0.4255 -0.22322 2014 4 7 56754 0.0134 0.4269 -0.22444 2014 4 8 56755 0.0150 0.4283 -0.22574 2014 4 9 56756 0.0166 0.4297 -0.22711 2014 4 10 56757 0.0183 0.4310 -0.22861 2014 4 11 56758 0.0200 0.4323 -0.23018 2014 4 12 56759 0.0217 0.4336 -0.23176 2014 4 13 56760 0.0235 0.4349 -0.23340 2014 4 14 56761 0.0253 0.4361 -0.23506 2014 4 15 56762 0.0271 0.4373 -0.23669 2014 4 16 56763 0.0289 0.4385 -0.23823 2014 4 17 56764 0.0308 0.4396 -0.23964 2014 4 18 56765 0.0327 0.4407 -0.24101 2014 4 19 56766 0.0346 0.4418 -0.24229 2014 4 20 56767 0.0365 0.4429 -0.24352 2014 4 21 56768 0.0384 0.4439 -0.24485 2014 4 22 56769 0.0404 0.4449 -0.24632 2014 4 23 56770 0.0424 0.4459 -0.24788 2014 4 24 56771 0.0444 0.4469 -0.24953 2014 4 25 56772 0.0465 0.4478 -0.25133 2014 4 26 56773 0.0485 0.4487 -0.25316 2014 4 27 56774 0.0506 0.4495 -0.25498 2014 4 28 56775 0.0527 0.4503 -0.25668 2014 4 29 56776 0.0548 0.4511 -0.25818 2014 4 30 56777 0.0569 0.4519 -0.25942 2014 5 1 56778 0.0591 0.4526 -0.26046 2014 5 2 56779 0.0612 0.4533 -0.26137 2014 5 3 56780 0.0634 0.4540 -0.26221 2014 5 4 56781 0.0656 0.4546 -0.26304 2014 5 5 56782 0.0678 0.4552 -0.26387 2014 5 6 56783 0.0700 0.4557 -0.26474 2014 5 7 56784 0.0723 0.4563 -0.26568 2014 5 8 56785 0.0745 0.4567 -0.26670 2014 5 9 56786 0.0768 0.4572 -0.26780 2014 5 10 56787 0.0790 0.4576 -0.26900 2014 5 11 56788 0.0813 0.4580 -0.27026 2014 5 12 56789 0.0836 0.4584 -0.27153 2014 5 13 56790 0.0859 0.4587 -0.27276 2014 5 14 56791 0.0882 0.4590 -0.27391 2014 5 15 56792 0.0905 0.4592 -0.27502 2014 5 16 56793 0.0929 0.4594 -0.27606 2014 5 17 56794 0.0952 0.4596 -0.27702 2014 5 18 56795 0.0975 0.4597 -0.27798 2014 5 19 56796 0.0999 0.4598 -0.27902 2014 5 20 56797 0.1022 0.4599 -0.28021 2014 5 21 56798 0.1046 0.4599 -0.28156 2014 5 22 56799 0.1069 0.4599 -0.28298 2014 5 23 56800 0.1093 0.4599 -0.28441 2014 5 24 56801 0.1117 0.4598 -0.28585 2014 5 25 56802 0.1140 0.4597 -0.28721 2014 5 26 56803 0.1164 0.4595 -0.28843 2014 5 27 56804 0.1188 0.4594 -0.28947 2014 5 28 56805 0.1211 0.4591 -0.29031 2014 5 29 56806 0.1235 0.4589 -0.29103 2014 5 30 56807 0.1259 0.4586 -0.29164 2014 5 31 56808 0.1282 0.4582 -0.29216 2014 6 1 56809 0.1306 0.4579 -0.29267 2014 6 2 56810 0.1329 0.4575 -0.29320 2014 6 3 56811 0.1353 0.4570 -0.29378 2014 6 4 56812 0.1376 0.4565 -0.29447 2014 6 5 56813 0.1400 0.4560 -0.29527 2014 6 6 56814 0.1423 0.4555 -0.29616 2014 6 7 56815 0.1446 0.4549 -0.29710 2014 6 8 56816 0.1469 0.4543 -0.29798 2014 6 9 56817 0.1492 0.4536 -0.29884 2014 6 10 56818 0.1515 0.4529 -0.29957 2014 6 11 56819 0.1538 0.4522 -0.30014 2014 6 12 56820 0.1561 0.4514 -0.30063 2014 6 13 56821 0.1584 0.4506 -0.30103 2014 6 14 56822 0.1606 0.4498 -0.30135 2014 6 15 56823 0.1629 0.4489 -0.30182 2014 6 16 56824 0.1651 0.4480 -0.30240 2014 6 17 56825 0.1673 0.4470 -0.30307 2014 6 18 56826 0.1695 0.4461 -0.30380 2014 6 19 56827 0.1717 0.4450 -0.30449 2014 6 20 56828 0.1739 0.4440 -0.30511 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) 56444 -76.39 0.16 -13.22 0.05 56445 -76.45 0.14 -13.20 0.04 56446 -76.33 0.14 -13.27 0.04 56447 -76.25 0.14 -13.33 0.04 56448 -76.46 0.14 -13.34 0.04 56449 -76.87 0.14 -13.33 0.04 56450 -77.23 0.14 -13.44 0.04 56451 -77.36 0.30 -13.64 0.15 56452 -77.28 0.30 -13.80 0.02 56453 -77.13 0.30 -13.80 0.02 56454 -77.10 0.30 -13.72 0.02 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56444 0.052 0.064 -0.180 0.050 56445 0.097 0.056 -0.167 0.040 56446 0.139 0.056 -0.183 0.040 56447 0.172 0.056 -0.199 0.040 56448 0.176 0.056 -0.218 0.040 56449 0.172 0.056 -0.209 0.040 56450 0.175 0.056 -0.221 0.040 56451 0.186 0.119 -0.241 0.150 56452 0.188 0.119 -0.271 0.020 56453 0.176 0.119 -0.286 0.020 56454 0.159 0.119 -0.303 0.020 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).