********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 18 July 2013 Vol. XXVI No. 029 ______________________________________________________________________ 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 *********************************************************************** * 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 12 56485 0.15698 .00009 0.38056 .00009 0.058550 0.000011 13 7 13 56486 0.15804 .00009 0.38012 .00009 0.058233 0.000006 13 7 14 56487 0.15907 .00009 0.37936 .00009 0.057836 0.000003 13 7 15 56488 0.15996 .00009 0.37828 .00009 0.057414 0.000003 13 7 16 56489 0.16090 .00009 0.37721 .00009 0.056984 0.000002 13 7 17 56490 0.16181 .00009 0.37628 .00009 0.056574 0.000065 13 7 18 56491 0.16256 .00009 0.37546 .00009 0.056222 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 = 0.0966 + 0.0762 cos A + 0.0958 sin A - 0.0091 cos C - 0.0557 sin C y = 0.3460 + 0.0862 cos A - 0.0666 sin A - 0.0557 cos C + 0.0091 sin C UT1-UTC = 0.0472 - 0.00102 (MJD - 56499) - (UT2-UT1) where A = 2*pi*(MJD-56491)/365.25 and C = 2*pi*(MJD-56491)/435. TAI-UTC(MJD 56492) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56491)**0.80 S t = 0.00025 (MJD-56491)**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 19 56492 0.1633 0.3745 0.05591 2013 7 20 56493 0.1639 0.3736 0.05567 2013 7 21 56494 0.1646 0.3727 0.05548 2013 7 22 56495 0.1654 0.3716 0.05526 2013 7 23 56496 0.1662 0.3705 0.05492 2013 7 24 56497 0.1670 0.3694 0.05443 2013 7 25 56498 0.1678 0.3683 0.05383 2013 7 26 56499 0.1686 0.3671 0.05320 2013 7 27 56500 0.1693 0.3659 0.05262 2013 7 28 56501 0.1701 0.3648 0.05215 2013 7 29 56502 0.1709 0.3636 0.05182 2013 7 30 56503 0.1717 0.3624 0.05158 2013 7 31 56504 0.1723 0.3612 0.05147 2013 8 1 56505 0.1730 0.3600 0.05148 2013 8 2 56506 0.1737 0.3588 0.05157 2013 8 3 56507 0.1743 0.3576 0.05169 2013 8 4 56508 0.1749 0.3564 0.05182 2013 8 5 56509 0.1755 0.3551 0.05191 2013 8 6 56510 0.1761 0.3539 0.05193 2013 8 7 56511 0.1766 0.3526 0.05184 2013 8 8 56512 0.1771 0.3513 0.05163 2013 8 9 56513 0.1776 0.3500 0.05130 2013 8 10 56514 0.1781 0.3487 0.05085 2013 8 11 56515 0.1785 0.3473 0.05033 2013 8 12 56516 0.1789 0.3460 0.04977 2013 8 13 56517 0.1793 0.3447 0.04924 2013 8 14 56518 0.1797 0.3433 0.04876 2013 8 15 56519 0.1800 0.3420 0.04836 2013 8 16 56520 0.1803 0.3406 0.04799 2013 8 17 56521 0.1806 0.3392 0.04763 2013 8 18 56522 0.1809 0.3378 0.04720 2013 8 19 56523 0.1811 0.3365 0.04665 2013 8 20 56524 0.1813 0.3351 0.04594 2013 8 21 56525 0.1815 0.3337 0.04509 2013 8 22 56526 0.1816 0.3323 0.04416 2013 8 23 56527 0.1817 0.3309 0.04322 2013 8 24 56528 0.1818 0.3295 0.04237 2013 8 25 56529 0.1819 0.3281 0.04163 2013 8 26 56530 0.1819 0.3267 0.04103 2013 8 27 56531 0.1819 0.3252 0.04056 2013 8 28 56532 0.1819 0.3238 0.04019 2013 8 29 56533 0.1818 0.3224 0.03990 2013 8 30 56534 0.1817 0.3210 0.03963 2013 8 31 56535 0.1816 0.3196 0.03934 2013 9 1 56536 0.1815 0.3182 0.03899 2013 9 2 56537 0.1813 0.3168 0.03853 2013 9 3 56538 0.1811 0.3154 0.03794 2013 9 4 56539 0.1809 0.3140 0.03720 2013 9 5 56540 0.1806 0.3126 0.03632 2013 9 6 56541 0.1803 0.3112 0.03533 2013 9 7 56542 0.1800 0.3098 0.03426 2013 9 8 56543 0.1796 0.3084 0.03316 2013 9 9 56544 0.1792 0.3070 0.03210 2013 9 10 56545 0.1788 0.3056 0.03111 2013 9 11 56546 0.1784 0.3042 0.03021 2013 9 12 56547 0.1779 0.3029 0.02937 2013 9 13 56548 0.1774 0.3015 0.02856 2013 9 14 56549 0.1769 0.3001 0.02770 2013 9 15 56550 0.1763 0.2988 0.02674 2013 9 16 56551 0.1758 0.2975 0.02563 2013 9 17 56552 0.1751 0.2961 0.02436 2013 9 18 56553 0.1745 0.2948 0.02296 2013 9 19 56554 0.1738 0.2935 0.02149 2013 9 20 56555 0.1731 0.2922 0.02004 2013 9 21 56556 0.1724 0.2909 0.01867 2013 9 22 56557 0.1717 0.2896 0.01743 2013 9 23 56558 0.1709 0.2884 0.01633 2013 9 24 56559 0.1701 0.2871 0.01536 2013 9 25 56560 0.1692 0.2859 0.01450 2013 9 26 56561 0.1684 0.2846 0.01370 2013 9 27 56562 0.1675 0.2834 0.01291 2013 9 28 56563 0.1666 0.2822 0.01209 2013 9 29 56564 0.1656 0.2810 0.01120 2013 9 30 56565 0.1647 0.2798 0.01019 2013 10 1 56566 0.1637 0.2787 0.00906 2013 10 2 56567 0.1627 0.2775 0.00778 2013 10 3 56568 0.1616 0.2764 0.00638 2013 10 4 56569 0.1606 0.2753 0.00489 2013 10 5 56570 0.1595 0.2742 0.00334 2013 10 6 56571 0.1584 0.2731 0.00181 2013 10 7 56572 0.1572 0.2721 0.00035 2013 10 8 56573 0.1561 0.2710 -0.00102 2013 10 9 56574 0.1549 0.2700 -0.00230 2013 10 10 56575 0.1537 0.2690 -0.00353 2013 10 11 56576 0.1525 0.2680 -0.00476 2013 10 12 56577 0.1512 0.2670 -0.00606 2013 10 13 56578 0.1499 0.2661 -0.00747 2013 10 14 56579 0.1486 0.2651 -0.00900 2013 10 15 56580 0.1473 0.2642 -0.01065 2013 10 16 56581 0.1460 0.2633 -0.01236 2013 10 17 56582 0.1446 0.2625 -0.01408 2013 10 18 56583 0.1433 0.2616 -0.01574 2013 10 19 56584 0.1419 0.2608 -0.01729 2013 10 20 56585 0.1405 0.2600 -0.01869 2013 10 21 56586 0.1390 0.2592 -0.01995 2013 10 22 56587 0.1376 0.2585 -0.02109 2013 10 23 56588 0.1361 0.2577 -0.02214 2013 10 24 56589 0.1346 0.2570 -0.02317 2013 10 25 56590 0.1331 0.2563 -0.02420 2013 10 26 56591 0.1316 0.2557 -0.02529 2013 10 27 56592 0.1301 0.2550 -0.02647 2013 10 28 56593 0.1285 0.2544 -0.02776 2013 10 29 56594 0.1270 0.2538 -0.02918 2013 10 30 56595 0.1254 0.2533 -0.03072 2013 10 31 56596 0.1238 0.2527 -0.03236 2013 11 1 56597 0.1222 0.2522 -0.03405 2013 11 2 56598 0.1206 0.2517 -0.03576 2013 11 3 56599 0.1189 0.2513 -0.03741 2013 11 4 56600 0.1173 0.2508 -0.03897 2013 11 5 56601 0.1156 0.2504 -0.04043 2013 11 6 56602 0.1140 0.2500 -0.04181 2013 11 7 56603 0.1123 0.2497 -0.04317 2013 11 8 56604 0.1106 0.2494 -0.04456 2013 11 9 56605 0.1089 0.2491 -0.04603 2013 11 10 56606 0.1072 0.2488 -0.04762 2013 11 11 56607 0.1055 0.2485 -0.04930 2013 11 12 56608 0.1038 0.2483 -0.05103 2013 11 13 56609 0.1021 0.2481 -0.05276 2013 11 14 56610 0.1003 0.2480 -0.05444 2013 11 15 56611 0.0986 0.2478 -0.05601 2013 11 16 56612 0.0968 0.2477 -0.05745 2013 11 17 56613 0.0951 0.2476 -0.05874 2013 11 18 56614 0.0933 0.2476 -0.05990 2013 11 19 56615 0.0916 0.2476 -0.06095 2013 11 20 56616 0.0898 0.2476 -0.06193 2013 11 21 56617 0.0880 0.2476 -0.06290 2013 11 22 56618 0.0863 0.2477 -0.06388 2013 11 23 56619 0.0845 0.2477 -0.06493 2013 11 24 56620 0.0827 0.2479 -0.06606 2013 11 25 56621 0.0810 0.2480 -0.06728 2013 11 26 56622 0.0792 0.2482 -0.06862 2013 11 27 56623 0.0774 0.2484 -0.07004 2013 11 28 56624 0.0756 0.2486 -0.07153 2013 11 29 56625 0.0739 0.2489 -0.07304 2013 11 30 56626 0.0721 0.2492 -0.07454 2013 12 1 56627 0.0703 0.2495 -0.07597 2013 12 2 56628 0.0686 0.2498 -0.07730 2013 12 3 56629 0.0668 0.2502 -0.07855 2013 12 4 56630 0.0651 0.2506 -0.07976 2013 12 5 56631 0.0633 0.2511 -0.08098 2013 12 6 56632 0.0616 0.2515 -0.08227 2013 12 7 56633 0.0598 0.2520 -0.08368 2013 12 8 56634 0.0581 0.2525 -0.08518 2013 12 9 56635 0.0564 0.2531 -0.08673 2013 12 10 56636 0.0547 0.2537 -0.08828 2013 12 11 56637 0.0530 0.2543 -0.08976 2013 12 12 56638 0.0513 0.2549 -0.09113 2013 12 13 56639 0.0496 0.2556 -0.09237 2013 12 14 56640 0.0479 0.2563 -0.09346 2013 12 15 56641 0.0462 0.2570 -0.09441 2013 12 16 56642 0.0446 0.2577 -0.09525 2013 12 17 56643 0.0429 0.2585 -0.09602 2013 12 18 56644 0.0413 0.2593 -0.09676 2013 12 19 56645 0.0397 0.2601 -0.09751 2013 12 20 56646 0.0381 0.2610 -0.09831 2013 12 21 56647 0.0365 0.2618 -0.09918 2013 12 22 56648 0.0349 0.2627 -0.10016 2013 12 23 56649 0.0333 0.2637 -0.10122 2013 12 24 56650 0.0318 0.2646 -0.10238 2013 12 25 56651 0.0302 0.2656 -0.10361 2013 12 26 56652 0.0287 0.2666 -0.10488 2013 12 27 56653 0.0272 0.2676 -0.10614 2013 12 28 56654 0.0257 0.2687 -0.10737 2013 12 29 56655 0.0243 0.2698 -0.10854 2013 12 30 56656 0.0228 0.2709 -0.10963 2013 12 31 56657 0.0214 0.2720 -0.11068 2014 1 1 56658 0.0200 0.2732 -0.11173 2014 1 2 56659 0.0186 0.2744 -0.11287 2014 1 3 56660 0.0173 0.2756 -0.11413 2014 1 4 56661 0.0159 0.2768 -0.11552 2014 1 5 56662 0.0146 0.2780 -0.11701 2014 1 6 56663 0.0133 0.2793 -0.11852 2014 1 7 56664 0.0120 0.2806 -0.11998 2014 1 8 56665 0.0107 0.2819 -0.12132 2014 1 9 56666 0.0095 0.2832 -0.12252 2014 1 10 56667 0.0083 0.2846 -0.12357 2014 1 11 56668 0.0071 0.2860 -0.12447 2014 1 12 56669 0.0060 0.2873 -0.12526 2014 1 13 56670 0.0048 0.2888 -0.12597 2014 1 14 56671 0.0037 0.2902 -0.12665 2014 1 15 56672 0.0026 0.2916 -0.12733 2014 1 16 56673 0.0016 0.2931 -0.12807 2014 1 17 56674 0.0005 0.2946 -0.12889 2014 1 18 56675 -0.0005 0.2961 -0.12982 2014 1 19 56676 -0.0015 0.2976 -0.13085 2014 1 20 56677 -0.0024 0.2992 -0.13199 2014 1 21 56678 -0.0033 0.3007 -0.13321 2014 1 22 56679 -0.0042 0.3023 -0.13448 2014 1 23 56680 -0.0051 0.3039 -0.13578 2014 1 24 56681 -0.0059 0.3055 -0.13705 2014 1 25 56682 -0.0067 0.3071 -0.13827 2014 1 26 56683 -0.0075 0.3087 -0.13943 2014 1 27 56684 -0.0083 0.3104 -0.14054 2014 1 28 56685 -0.0090 0.3120 -0.14166 2014 1 29 56686 -0.0097 0.3137 -0.14285 2014 1 30 56687 -0.0103 0.3154 -0.14419 2014 1 31 56688 -0.0109 0.3171 -0.14572 2014 2 1 56689 -0.0115 0.3188 -0.14744 2014 2 2 56690 -0.0121 0.3205 -0.14929 2014 2 3 56691 -0.0126 0.3223 -0.15118 2014 2 4 56692 -0.0131 0.3240 -0.15300 2014 2 5 56693 -0.0136 0.3257 -0.15469 2014 2 6 56694 -0.0140 0.3275 -0.15620 2014 2 7 56695 -0.0144 0.3293 -0.15751 2014 2 8 56696 -0.0148 0.3310 -0.15864 2014 2 9 56697 -0.0151 0.3328 -0.15962 2014 2 10 56698 -0.0154 0.3346 -0.16051 2014 2 11 56699 -0.0157 0.3364 -0.16134 2014 2 12 56700 -0.0159 0.3382 -0.16218 2014 2 13 56701 -0.0161 0.3400 -0.16306 2014 2 14 56702 -0.0163 0.3418 -0.16403 2014 2 15 56703 -0.0164 0.3436 -0.16509 2014 2 16 56704 -0.0165 0.3454 -0.16624 2014 2 17 56705 -0.0166 0.3473 -0.16748 2014 2 18 56706 -0.0166 0.3491 -0.16877 2014 2 19 56707 -0.0166 0.3509 -0.17007 2014 2 20 56708 -0.0165 0.3527 -0.17135 2014 2 21 56709 -0.0164 0.3546 -0.17257 2014 2 22 56710 -0.0163 0.3564 -0.17372 2014 2 23 56711 -0.0162 0.3582 -0.17483 2014 2 24 56712 -0.0160 0.3600 -0.17591 2014 2 25 56713 -0.0158 0.3619 -0.17701 2014 2 26 56714 -0.0155 0.3637 -0.17821 2014 2 27 56715 -0.0152 0.3655 -0.17949 2014 2 28 56716 -0.0149 0.3673 -0.18085 2014 3 1 56717 -0.0146 0.3691 -0.18236 2014 3 2 56718 -0.0142 0.3709 -0.18400 2014 3 3 56719 -0.0137 0.3727 -0.18568 2014 3 4 56720 -0.0133 0.3745 -0.18727 2014 3 5 56721 -0.0128 0.3763 -0.18873 2014 3 6 56722 -0.0122 0.3781 -0.19005 2014 3 7 56723 -0.0117 0.3799 -0.19122 2014 3 8 56724 -0.0111 0.3817 -0.19231 2014 3 9 56725 -0.0104 0.3834 -0.19336 2014 3 10 56726 -0.0098 0.3852 -0.19439 2014 3 11 56727 -0.0091 0.3869 -0.19545 2014 3 12 56728 -0.0083 0.3887 -0.19657 2014 3 13 56729 -0.0076 0.3904 -0.19772 2014 3 14 56730 -0.0067 0.3921 -0.19897 2014 3 15 56731 -0.0059 0.3938 -0.20041 2014 3 16 56732 -0.0050 0.3955 -0.20200 2014 3 17 56733 -0.0041 0.3972 -0.20369 2014 3 18 56734 -0.0032 0.3988 -0.20546 2014 3 19 56735 -0.0022 0.4005 -0.20726 2014 3 20 56736 -0.0012 0.4021 -0.20901 2014 3 21 56737 -0.0002 0.4038 -0.21065 2014 3 22 56738 0.0009 0.4054 -0.21226 2014 3 23 56739 0.0020 0.4070 -0.21381 2014 3 24 56740 0.0031 0.4086 -0.21539 2014 3 25 56741 0.0043 0.4101 -0.21705 2014 3 26 56742 0.0055 0.4117 -0.21881 2014 3 27 56743 0.0067 0.4132 -0.22074 2014 3 28 56744 0.0080 0.4147 -0.22288 2014 3 29 56745 0.0093 0.4162 -0.22514 2014 3 30 56746 0.0106 0.4177 -0.22743 2014 3 31 56747 0.0120 0.4191 -0.22967 2014 4 1 56748 0.0133 0.4205 -0.23181 2014 4 2 56749 0.0147 0.4220 -0.23375 2014 4 3 56750 0.0162 0.4233 -0.23543 2014 4 4 56751 0.0177 0.4247 -0.23692 2014 4 5 56752 0.0191 0.4261 -0.23828 2014 4 6 56753 0.0207 0.4274 -0.23951 2014 4 7 56754 0.0222 0.4287 -0.24066 2014 4 8 56755 0.0238 0.4300 -0.24178 2014 4 9 56756 0.0254 0.4312 -0.24288 2014 4 10 56757 0.0270 0.4325 -0.24397 2014 4 11 56758 0.0287 0.4337 -0.24513 2014 4 12 56759 0.0304 0.4348 -0.24648 2014 4 13 56760 0.0321 0.4360 -0.24792 2014 4 14 56761 0.0338 0.4371 -0.24939 2014 4 15 56762 0.0355 0.4382 -0.25091 2014 4 16 56763 0.0373 0.4393 -0.25238 2014 4 17 56764 0.0391 0.4404 -0.25374 2014 4 18 56765 0.0409 0.4414 -0.25497 2014 4 19 56766 0.0428 0.4424 -0.25614 2014 4 20 56767 0.0446 0.4434 -0.25725 2014 4 21 56768 0.0465 0.4443 -0.25837 2014 4 22 56769 0.0484 0.4452 -0.25953 2014 4 23 56770 0.0504 0.4461 -0.26079 2014 4 24 56771 0.0523 0.4469 -0.26214 2014 4 25 56772 0.0543 0.4478 -0.26357 2014 4 26 56773 0.0562 0.4486 -0.26499 2014 4 27 56774 0.0582 0.4493 -0.26636 2014 4 28 56775 0.0603 0.4501 -0.26758 2014 4 29 56776 0.0623 0.4508 -0.26863 2014 4 30 56777 0.0643 0.4514 -0.26956 2014 5 1 56778 0.0664 0.4521 -0.27032 2014 5 2 56779 0.0685 0.4527 -0.27101 2014 5 3 56780 0.0706 0.4532 -0.27168 2014 5 4 56781 0.0727 0.4538 -0.27233 2014 5 5 56782 0.0748 0.4543 -0.27302 2014 5 6 56783 0.0770 0.4548 -0.27376 2014 5 7 56784 0.0791 0.4552 -0.27457 2014 5 8 56785 0.0813 0.4556 -0.27546 2014 5 9 56786 0.0834 0.4560 -0.27642 2014 5 10 56787 0.0856 0.4564 -0.27746 2014 5 11 56788 0.0878 0.4567 -0.27857 2014 5 12 56789 0.0900 0.4569 -0.27966 2014 5 13 56790 0.0922 0.4572 -0.28070 2014 5 14 56791 0.0944 0.4574 -0.28164 2014 5 15 56792 0.0966 0.4576 -0.28248 2014 5 16 56793 0.0989 0.4577 -0.28325 2014 5 17 56794 0.1011 0.4578 -0.28398 2014 5 18 56795 0.1033 0.4579 -0.28473 2014 5 19 56796 0.1056 0.4579 -0.28554 2014 5 20 56797 0.1078 0.4579 -0.28653 2014 5 21 56798 0.1101 0.4579 -0.28769 2014 5 22 56799 0.1123 0.4578 -0.28899 2014 5 23 56800 0.1146 0.4577 -0.29032 2014 5 24 56801 0.1169 0.4576 -0.29165 2014 5 25 56802 0.1191 0.4574 -0.29284 2014 5 26 56803 0.1214 0.4572 -0.29381 2014 5 27 56804 0.1236 0.4570 -0.29457 2014 5 28 56805 0.1259 0.4567 -0.29515 2014 5 29 56806 0.1282 0.4564 -0.29558 2014 5 30 56807 0.1304 0.4560 -0.29590 2014 5 31 56808 0.1327 0.4556 -0.29626 2014 6 1 56809 0.1349 0.4552 -0.29668 2014 6 2 56810 0.1372 0.4548 -0.29712 2014 6 3 56811 0.1394 0.4543 -0.29766 2014 6 4 56812 0.1416 0.4538 -0.29828 2014 6 5 56813 0.1438 0.4532 -0.29902 2014 6 6 56814 0.1461 0.4526 -0.29979 2014 6 7 56815 0.1483 0.4520 -0.30053 2014 6 8 56816 0.1505 0.4513 -0.30126 2014 6 9 56817 0.1527 0.4506 -0.30198 2014 6 10 56818 0.1549 0.4499 -0.30261 2014 6 11 56819 0.1570 0.4491 -0.30313 2014 6 12 56820 0.1592 0.4483 -0.30351 2014 6 13 56821 0.1613 0.4475 -0.30389 2014 6 14 56822 0.1635 0.4466 -0.30425 2014 6 15 56823 0.1656 0.4457 -0.30464 2014 6 16 56824 0.1677 0.4448 -0.30520 2014 6 17 56825 0.1698 0.4438 -0.30593 2014 6 18 56826 0.1719 0.4428 -0.30673 2014 6 19 56827 0.1740 0.4418 -0.30754 2014 6 20 56828 0.1760 0.4407 -0.30835 2014 6 21 56829 0.1781 0.4396 -0.30907 2014 6 22 56830 0.1801 0.4385 -0.30967 2014 6 23 56831 0.1821 0.4373 -0.31010 2014 6 24 56832 0.1841 0.4361 -0.31031 2014 6 25 56833 0.1860 0.4349 -0.31031 2014 6 26 56834 0.1880 0.4336 -0.31015 2014 6 27 56835 0.1899 0.4323 -0.30994 2014 6 28 56836 0.1918 0.4310 -0.30973 2014 6 29 56837 0.1937 0.4297 -0.30957 2014 6 30 56838 0.1955 0.4283 -0.30945 2014 7 1 56839 0.1974 0.4269 -0.30941 2014 7 2 56840 0.1992 0.4254 -0.30945 2014 7 3 56841 0.2010 0.4240 -0.30956 2014 7 4 56842 0.2027 0.4225 -0.30973 2014 7 5 56843 0.2045 0.4209 -0.30996 2014 7 6 56844 0.2062 0.4194 -0.31022 2014 7 7 56845 0.2079 0.4178 -0.31045 2014 7 8 56846 0.2095 0.4162 -0.31063 2014 7 9 56847 0.2112 0.4146 -0.31075 2014 7 10 56848 0.2128 0.4129 -0.31086 2014 7 11 56849 0.2143 0.4112 -0.31100 2014 7 12 56850 0.2159 0.4095 -0.31115 2014 7 13 56851 0.2174 0.4078 -0.31141 2014 7 14 56852 0.2189 0.4060 -0.31185 2014 7 15 56853 0.2204 0.4042 -0.31249 2014 7 16 56854 0.2218 0.4024 -0.31326 2014 7 17 56855 0.2232 0.4006 -0.31403 2014 7 18 56856 0.2246 0.3988 -0.31470 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) 56472 -80.59 0.17 -12.98 0.09 56473 -81.14 0.15 -12.91 0.09 56474 -81.33 0.15 -12.99 0.09 56475 -81.24 0.30 -13.16 0.05 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56472 -0.036 0.068 -0.191 0.090 56473 -0.057 0.060 -0.145 0.090 56474 -0.084 0.060 -0.123 0.090 56475 -0.097 0.119 -0.136 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).