********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 23 June 2016 Vol. XXIX 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 = -0.2 seconds beginning 19 May 2016 at 0000 UTC Beginning 1 July 2015: TAI-UTC = 36.000 000 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 * * * * An additional backup mirror of the daily and Bulletin A EOP data * * is now hosted by NASA's Archive of Space Geodesy Data server at: * * ftp://cddis.gsfc.nasa.gov/pub/products/iers * * Daily EOP data will be uploaded here at 18:00 UTC, and * * Bulletin A EOP data should by available by 20:00 UTC. * * * * Distribution statement A. Approved for public release: * * distribution unlimited. * * * *********************************************************************** ________________________________________________________________________ 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 16 6 17 57556 0.12368 .00009 0.49452 .00009 -0.203630 0.000011 16 6 18 57557 0.12622 .00009 0.49397 .00009 -0.204053 0.000012 16 6 19 57558 0.12837 .00009 0.49319 .00009 -0.204387 0.000016 16 6 20 57559 0.13040 .00009 0.49228 .00009 -0.204668 0.000015 16 6 21 57560 0.13228 .00009 0.49147 .00009 -0.204861 0.000016 16 6 22 57561 0.13425 .00009 0.49073 .00009 -0.205094 0.000017 16 6 23 57562 0.13650 .00009 0.49021 .00009 -0.205497 0.000018 _______________________________________________________________________ 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 = 0.0989 + 0.0004 cos A + 0.1325 sin A + 0.0415 cos C + 0.0049 sin C y = 0.3621 + 0.1240 cos A + 0.0004 sin A + 0.0049 cos C - 0.0415 sin C UT1-UTC = -0.1905 - 0.00146 (MJD - 57570) - (UT2-UT1) where A = 2*pi*(MJD-57562)/365.25 and C = 2*pi*(MJD-57562)/435. TAI-UTC(MJD 57563) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57562)**0.80 S t = 0.00025 (MJD-57562)**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) 2016 6 24 57563 0.1388 0.4898 -0.20602 2016 6 25 57564 0.1410 0.4896 -0.20666 2016 6 26 57565 0.1432 0.4893 -0.20744 2016 6 27 57566 0.1454 0.4889 -0.20836 2016 6 28 57567 0.1474 0.4884 -0.20938 2016 6 29 57568 0.1494 0.4877 -0.21042 2016 6 30 57569 0.1514 0.4869 -0.21143 2016 7 1 57570 0.1535 0.4861 -0.21234 2016 7 2 57571 0.1556 0.4854 -0.21310 2016 7 3 57572 0.1577 0.4846 -0.21371 2016 7 4 57573 0.1598 0.4839 -0.21419 2016 7 5 57574 0.1619 0.4832 -0.21461 2016 7 6 57575 0.1639 0.4824 -0.21501 2016 7 7 57576 0.1660 0.4816 -0.21542 2016 7 8 57577 0.1679 0.4807 -0.21585 2016 7 9 57578 0.1699 0.4798 -0.21631 2016 7 10 57579 0.1718 0.4788 -0.21680 2016 7 11 57580 0.1738 0.4778 -0.21730 2016 7 12 57581 0.1757 0.4768 -0.21778 2016 7 13 57582 0.1776 0.4758 -0.21822 2016 7 14 57583 0.1795 0.4748 -0.21863 2016 7 15 57584 0.1814 0.4738 -0.21900 2016 7 16 57585 0.1832 0.4727 -0.21933 2016 7 17 57586 0.1850 0.4716 -0.21963 2016 7 18 57587 0.1868 0.4704 -0.21994 2016 7 19 57588 0.1885 0.4692 -0.22029 2016 7 20 57589 0.1903 0.4680 -0.22073 2016 7 21 57590 0.1920 0.4668 -0.22132 2016 7 22 57591 0.1937 0.4655 -0.22208 2016 7 23 57592 0.1954 0.4642 -0.22300 2016 7 24 57593 0.1970 0.4629 -0.22405 2016 7 25 57594 0.1987 0.4616 -0.22520 2016 7 26 57595 0.2003 0.4603 -0.22634 2016 7 27 57596 0.2018 0.4589 -0.22743 2016 7 28 57597 0.2034 0.4575 -0.22840 2016 7 29 57598 0.2049 0.4560 -0.22924 2016 7 30 57599 0.2064 0.4546 -0.22996 2016 7 31 57600 0.2079 0.4531 -0.23057 2016 8 1 57601 0.2093 0.4516 -0.23114 2016 8 2 57602 0.2107 0.4501 -0.23172 2016 8 3 57603 0.2121 0.4485 -0.23233 2016 8 4 57604 0.2135 0.4470 -0.23300 2016 8 5 57605 0.2148 0.4454 -0.23373 2016 8 6 57606 0.2161 0.4438 -0.23448 2016 8 7 57607 0.2174 0.4422 -0.23524 2016 8 8 57608 0.2186 0.4405 -0.23598 2016 8 9 57609 0.2198 0.4389 -0.23667 2016 8 10 57610 0.2210 0.4372 -0.23729 2016 8 11 57611 0.2221 0.4355 -0.23785 2016 8 12 57612 0.2232 0.4338 -0.23833 2016 8 13 57613 0.2243 0.4320 -0.23877 2016 8 14 57614 0.2254 0.4303 -0.23917 2016 8 15 57615 0.2264 0.4285 -0.23959 2016 8 16 57616 0.2274 0.4267 -0.24008 2016 8 17 57617 0.2283 0.4249 -0.24069 2016 8 18 57618 0.2292 0.4231 -0.24147 2016 8 19 57619 0.2301 0.4213 -0.24243 2016 8 20 57620 0.2310 0.4194 -0.24357 2016 8 21 57621 0.2318 0.4176 -0.24484 2016 8 22 57622 0.2326 0.4157 -0.24616 2016 8 23 57623 0.2333 0.4138 -0.24745 2016 8 24 57624 0.2340 0.4120 -0.24865 2016 8 25 57625 0.2347 0.4101 -0.24972 2016 8 26 57626 0.2353 0.4081 -0.25068 2016 8 27 57627 0.2360 0.4062 -0.25154 2016 8 28 57628 0.2365 0.4043 -0.25236 2016 8 29 57629 0.2371 0.4023 -0.25320 2016 8 30 57630 0.2376 0.4004 -0.25411 2016 8 31 57631 0.2380 0.3984 -0.25509 2016 9 1 57632 0.2385 0.3965 -0.25617 2016 9 2 57633 0.2389 0.3945 -0.25731 2016 9 3 57634 0.2392 0.3925 -0.25848 2016 9 4 57635 0.2396 0.3905 -0.25967 2016 9 5 57636 0.2398 0.3885 -0.26083 2016 9 6 57637 0.2401 0.3866 -0.26193 2016 9 7 57638 0.2403 0.3846 -0.26297 2016 9 8 57639 0.2405 0.3826 -0.26395 2016 9 9 57640 0.2406 0.3806 -0.26487 2016 9 10 57641 0.2407 0.3785 -0.26576 2016 9 11 57642 0.2408 0.3765 -0.26667 2016 9 12 57643 0.2408 0.3745 -0.26763 2016 9 13 57644 0.2408 0.3725 -0.26868 2016 9 14 57645 0.2408 0.3705 -0.26989 2016 9 15 57646 0.2407 0.3685 -0.27129 2016 9 16 57647 0.2406 0.3665 -0.27288 2016 9 17 57648 0.2405 0.3645 -0.27464 2016 9 18 57649 0.2403 0.3625 -0.27651 2016 9 19 57650 0.2401 0.3605 -0.27839 2016 9 20 57651 0.2398 0.3585 -0.28020 2016 9 21 57652 0.2395 0.3565 -0.28188 2016 9 22 57653 0.2392 0.3545 -0.28341 2016 9 23 57654 0.2388 0.3525 -0.28483 2016 9 24 57655 0.2384 0.3505 -0.28619 2016 9 25 57656 0.2380 0.3485 -0.28755 2016 9 26 57657 0.2375 0.3466 -0.28894 2016 9 27 57658 0.2370 0.3446 -0.29042 2016 9 28 57659 0.2365 0.3426 -0.29199 2016 9 29 57660 0.2359 0.3407 -0.29364 2016 9 30 57661 0.2353 0.3387 -0.29535 2016 10 1 57662 0.2346 0.3368 -0.29707 2016 10 2 57663 0.2339 0.3349 -0.29879 2016 10 3 57664 0.2332 0.3330 -0.30046 2016 10 4 57665 0.2325 0.3311 -0.30207 2016 10 5 57666 0.2317 0.3292 -0.30361 2016 10 6 57667 0.2309 0.3273 -0.30508 2016 10 7 57668 0.2300 0.3255 -0.30650 2016 10 8 57669 0.2292 0.3236 -0.30791 2016 10 9 57670 0.2282 0.3218 -0.30934 2016 10 10 57671 0.2273 0.3199 -0.31080 2016 10 11 57672 0.2263 0.3181 -0.31238 2016 10 12 57673 0.2253 0.3163 -0.31413 2016 10 13 57674 0.2243 0.3145 -0.31607 2016 10 14 57675 0.2232 0.3128 -0.31820 2016 10 15 57676 0.2221 0.3110 -0.32049 2016 10 16 57677 0.2209 0.3093 -0.32284 2016 10 17 57678 0.2198 0.3076 -0.32515 2016 10 18 57679 0.2186 0.3059 -0.32735 2016 10 19 57680 0.2173 0.3042 -0.32939 2016 10 20 57681 0.2161 0.3026 -0.33127 2016 10 21 57682 0.2148 0.3009 -0.33304 2016 10 22 57683 0.2135 0.2993 -0.33476 2016 10 23 57684 0.2121 0.2977 -0.33648 2016 10 24 57685 0.2108 0.2961 -0.33824 2016 10 25 57686 0.2094 0.2945 -0.34005 2016 10 26 57687 0.2079 0.2930 -0.34192 2016 10 27 57688 0.2065 0.2915 -0.34382 2016 10 28 57689 0.2050 0.2900 -0.34573 2016 10 29 57690 0.2035 0.2885 -0.34762 2016 10 30 57691 0.2020 0.2871 -0.34946 2016 10 31 57692 0.2004 0.2856 -0.35123 2016 11 1 57693 0.1989 0.2842 -0.35292 2016 11 2 57694 0.1972 0.2829 -0.35452 2016 11 3 57695 0.1956 0.2815 -0.35605 2016 11 4 57696 0.1940 0.2802 -0.35753 2016 11 5 57697 0.1923 0.2789 -0.35900 2016 11 6 57698 0.1906 0.2776 -0.36050 2016 11 7 57699 0.1889 0.2763 -0.36208 2016 11 8 57700 0.1872 0.2751 -0.36379 2016 11 9 57701 0.1854 0.2739 -0.36566 2016 11 10 57702 0.1836 0.2727 -0.36770 2016 11 11 57703 0.1818 0.2716 -0.36990 2016 11 12 57704 0.1800 0.2705 -0.37220 2016 11 13 57705 0.1782 0.2694 -0.37452 2016 11 14 57706 0.1763 0.2683 -0.37677 2016 11 15 57707 0.1744 0.2673 -0.37889 2016 11 16 57708 0.1725 0.2663 -0.38083 2016 11 17 57709 0.1706 0.2653 -0.38263 2016 11 18 57710 0.1687 0.2644 -0.38433 2016 11 19 57711 0.1668 0.2634 -0.38600 2016 11 20 57712 0.1648 0.2625 -0.38768 2016 11 21 57713 0.1629 0.2617 -0.38940 2016 11 22 57714 0.1609 0.2609 -0.39115 2016 11 23 57715 0.1589 0.2601 -0.39293 2016 11 24 57716 0.1569 0.2593 -0.39470 2016 11 25 57717 0.1549 0.2586 -0.39644 2016 11 26 57718 0.1528 0.2578 -0.39814 2016 11 27 57719 0.1508 0.2572 -0.39975 2016 11 28 57720 0.1487 0.2565 -0.40128 2016 11 29 57721 0.1467 0.2559 -0.40272 2016 11 30 57722 0.1446 0.2553 -0.40407 2016 12 1 57723 0.1425 0.2548 -0.40535 2016 12 2 57724 0.1404 0.2543 -0.40661 2016 12 3 57725 0.1383 0.2538 -0.40787 2016 12 4 57726 0.1362 0.2533 -0.40919 2016 12 5 57727 0.1341 0.2529 -0.41061 2016 12 6 57728 0.1320 0.2525 -0.41215 2016 12 7 57729 0.1299 0.2522 -0.41385 2016 12 8 57730 0.1278 0.2518 -0.41570 2016 12 9 57731 0.1256 0.2516 -0.41766 2016 12 10 57732 0.1235 0.2513 -0.41967 2016 12 11 57733 0.1214 0.2511 -0.42167 2016 12 12 57734 0.1192 0.2509 -0.42358 2016 12 13 57735 0.1171 0.2507 -0.42536 2016 12 14 57736 0.1149 0.2506 -0.42700 2016 12 15 57737 0.1128 0.2505 -0.42854 2016 12 16 57738 0.1107 0.2504 -0.43004 2016 12 17 57739 0.1085 0.2504 -0.43155 2016 12 18 57740 0.1064 0.2504 -0.43310 2016 12 19 57741 0.1043 0.2505 -0.43471 2016 12 20 57742 0.1021 0.2505 -0.43634 2016 12 21 57743 0.1000 0.2506 -0.43799 2016 12 22 57744 0.0979 0.2508 -0.43963 2016 12 23 57745 0.0957 0.2509 -0.44123 2016 12 24 57746 0.0936 0.2511 -0.44278 2016 12 25 57747 0.0915 0.2514 -0.44426 2016 12 26 57748 0.0894 0.2516 -0.44568 2016 12 27 57749 0.0873 0.2519 -0.44703 2016 12 28 57750 0.0852 0.2523 -0.44835 2016 12 29 57751 0.0831 0.2526 -0.44967 2016 12 30 57752 0.0811 0.2530 -0.45101 2016 12 31 57753 0.0790 0.2535 -0.45243 2017 1 1 57754 0.0769 0.2539 -0.45397 2017 1 2 57755 0.0749 0.2544 -0.45566 2017 1 3 57756 0.0728 0.2549 -0.45752 2017 1 4 57757 0.0708 0.2555 -0.45956 2017 1 5 57758 0.0688 0.2561 -0.46173 2017 1 6 57759 0.0668 0.2567 -0.46399 2017 1 7 57760 0.0648 0.2574 -0.46624 2017 1 8 57761 0.0628 0.2580 -0.46843 2017 1 9 57762 0.0609 0.2587 -0.47048 2017 1 10 57763 0.0589 0.2595 -0.47236 2017 1 11 57764 0.0570 0.2603 -0.47409 2017 1 12 57765 0.0551 0.2610 -0.47570 2017 1 13 57766 0.0532 0.2619 -0.47726 2017 1 14 57767 0.0513 0.2627 -0.47883 2017 1 15 57768 0.0494 0.2636 -0.48043 2017 1 16 57769 0.0476 0.2645 -0.48207 2017 1 17 57770 0.0458 0.2655 -0.48373 2017 1 18 57771 0.0440 0.2665 -0.48538 2017 1 19 57772 0.0422 0.2675 -0.48701 2017 1 20 57773 0.0404 0.2685 -0.48859 2017 1 21 57774 0.0386 0.2695 -0.49011 2017 1 22 57775 0.0369 0.2706 -0.49156 2017 1 23 57776 0.0352 0.2717 -0.49294 2017 1 24 57777 0.0335 0.2729 -0.49425 2017 1 25 57778 0.0319 0.2740 -0.49548 2017 1 26 57779 0.0302 0.2752 -0.49669 2017 1 27 57780 0.0286 0.2764 -0.49793 2017 1 28 57781 0.0270 0.2777 -0.49926 2017 1 29 57782 0.0254 0.2790 -0.50073 2017 1 30 57783 0.0239 0.2802 -0.50233 2017 1 31 57784 0.0224 0.2816 -0.50405 2017 2 1 57785 0.0209 0.2829 -0.50584 2017 2 2 57786 0.0194 0.2842 -0.50761 2017 2 3 57787 0.0179 0.2856 -0.50931 2017 2 4 57788 0.0165 0.2870 -0.51093 2017 2 5 57789 0.0151 0.2885 -0.51245 2017 2 6 57790 0.0138 0.2899 -0.51380 2017 2 7 57791 0.0124 0.2914 -0.51505 2017 2 8 57792 0.0111 0.2929 -0.51615 2017 2 9 57793 0.0098 0.2944 -0.51730 2017 2 10 57794 0.0086 0.2959 -0.51851 2017 2 11 57795 0.0073 0.2975 -0.51983 2017 2 12 57796 0.0061 0.2990 -0.52133 2017 2 13 57797 0.0050 0.3006 -0.52295 2017 2 14 57798 0.0038 0.3022 -0.52465 2017 2 15 57799 0.0027 0.3039 -0.52634 2017 2 16 57800 0.0016 0.3055 -0.52802 2017 2 17 57801 0.0006 0.3072 -0.52957 2017 2 18 57802 -0.0004 0.3088 -0.53102 2017 2 19 57803 -0.0014 0.3105 -0.53237 2017 2 20 57804 -0.0024 0.3122 -0.53363 2017 2 21 57805 -0.0033 0.3139 -0.53483 2017 2 22 57806 -0.0042 0.3157 -0.53603 2017 2 23 57807 -0.0050 0.3174 -0.53727 2017 2 24 57808 -0.0059 0.3192 -0.53859 2017 2 25 57809 -0.0067 0.3210 -0.53997 2017 2 26 57810 -0.0074 0.3228 -0.54149 2017 2 27 57811 -0.0081 0.3246 -0.54321 2017 2 28 57812 -0.0088 0.3264 -0.54515 2017 3 1 57813 -0.0095 0.3282 -0.54722 2017 3 2 57814 -0.0101 0.3300 -0.54932 2017 3 3 57815 -0.0107 0.3319 -0.55140 2017 3 4 57816 -0.0113 0.3337 -0.55338 2017 3 5 57817 -0.0118 0.3356 -0.55532 2017 3 6 57818 -0.0123 0.3374 -0.55712 2017 3 7 57819 -0.0128 0.3393 -0.55884 2017 3 8 57820 -0.0132 0.3412 -0.56052 2017 3 9 57821 -0.0136 0.3431 -0.56223 2017 3 10 57822 -0.0139 0.3450 -0.56401 2017 3 11 57823 -0.0142 0.3469 -0.56586 2017 3 12 57824 -0.0145 0.3488 -0.56777 2017 3 13 57825 -0.0148 0.3507 -0.56979 2017 3 14 57826 -0.0150 0.3526 -0.57189 2017 3 15 57827 -0.0152 0.3546 -0.57400 2017 3 16 57828 -0.0153 0.3565 -0.57597 2017 3 17 57829 -0.0154 0.3584 -0.57775 2017 3 18 57830 -0.0155 0.3603 -0.57937 2017 3 19 57831 -0.0156 0.3623 -0.58100 2017 3 20 57832 -0.0156 0.3642 -0.58263 2017 3 21 57833 -0.0156 0.3661 -0.58417 2017 3 22 57834 -0.0155 0.3681 -0.58571 2017 3 23 57835 -0.0154 0.3700 -0.58725 2017 3 24 57836 -0.0153 0.3719 -0.58893 2017 3 25 57837 -0.0151 0.3738 -0.59069 2017 3 26 57838 -0.0149 0.3758 -0.59266 2017 3 27 57839 -0.0147 0.3777 -0.59481 2017 3 28 57840 -0.0144 0.3796 -0.59707 2017 3 29 57841 -0.0141 0.3815 -0.59931 2017 3 30 57842 -0.0138 0.3834 -0.60151 2017 3 31 57843 -0.0134 0.3853 -0.60361 2017 4 1 57844 -0.0130 0.3872 -0.60561 2017 4 2 57845 -0.0126 0.3891 -0.60753 2017 4 3 57846 -0.0121 0.3910 -0.60937 2017 4 4 57847 -0.0116 0.3929 -0.61119 2017 4 5 57848 -0.0111 0.3948 -0.61304 2017 4 6 57849 -0.0105 0.3966 -0.61496 2017 4 7 57850 -0.0099 0.3985 -0.61690 2017 4 8 57851 -0.0092 0.4003 -0.61891 2017 4 9 57852 -0.0086 0.4022 -0.62098 2017 4 10 57853 -0.0079 0.4040 -0.62312 2017 4 11 57854 -0.0071 0.4058 -0.62523 2017 4 12 57855 -0.0064 0.4076 -0.62730 2017 4 13 57856 -0.0056 0.4094 -0.62920 2017 4 14 57857 -0.0048 0.4112 -0.63099 2017 4 15 57858 -0.0039 0.4130 -0.63262 2017 4 16 57859 -0.0030 0.4147 -0.63418 2017 4 17 57860 -0.0021 0.4165 -0.63572 2017 4 18 57861 -0.0012 0.4182 -0.63724 2017 4 19 57862 -0.0002 0.4199 -0.63881 2017 4 20 57863 0.0008 0.4216 -0.64047 2017 4 21 57864 0.0019 0.4233 -0.64220 2017 4 22 57865 0.0029 0.4250 -0.64402 2017 4 23 57866 0.0040 0.4266 -0.64610 2017 4 24 57867 0.0052 0.4283 -0.64839 2017 4 25 57868 0.0063 0.4299 -0.65080 2017 4 26 57869 0.0075 0.4315 -0.65328 2017 4 27 57870 0.0087 0.4331 -0.65570 2017 4 28 57871 0.0099 0.4346 -0.65801 2017 4 29 57872 0.0112 0.4362 -0.66012 2017 4 30 57873 0.0125 0.4377 -0.66214 2017 5 1 57874 0.0138 0.4392 -0.66403 2017 5 2 57875 0.0151 0.4407 -0.66585 2017 5 3 57876 0.0165 0.4422 -0.66766 2017 5 4 57877 0.0179 0.4436 -0.66941 2017 5 5 57878 0.0193 0.4450 -0.67120 2017 5 6 57879 0.0207 0.4464 -0.67304 2017 5 7 57880 0.0222 0.4478 -0.67490 2017 5 8 57881 0.0236 0.4492 -0.67675 2017 5 9 57882 0.0251 0.4505 -0.67852 2017 5 10 57883 0.0267 0.4518 -0.68015 2017 5 11 57884 0.0282 0.4531 -0.68167 2017 5 12 57885 0.0298 0.4544 -0.68308 2017 5 13 57886 0.0314 0.4556 -0.68437 2017 5 14 57887 0.0330 0.4568 -0.68552 2017 5 15 57888 0.0346 0.4580 -0.68659 2017 5 16 57889 0.0362 0.4592 -0.68770 2017 5 17 57890 0.0379 0.4603 -0.68890 2017 5 18 57891 0.0396 0.4614 -0.69020 2017 5 19 57892 0.0413 0.4625 -0.69165 2017 5 20 57893 0.0430 0.4636 -0.69328 2017 5 21 57894 0.0447 0.4646 -0.69500 2017 5 22 57895 0.0465 0.4657 -0.69687 2017 5 23 57896 0.0482 0.4666 -0.69878 2017 5 24 57897 0.0500 0.4676 -0.70067 2017 5 25 57898 0.0518 0.4685 -0.70250 2017 5 26 57899 0.0536 0.4694 -0.70415 2017 5 27 57900 0.0555 0.4703 -0.70561 2017 5 28 57901 0.0573 0.4712 -0.70701 2017 5 29 57902 0.0591 0.4720 -0.70828 2017 5 30 57903 0.0610 0.4728 -0.70953 2017 5 31 57904 0.0629 0.4735 -0.71081 2017 6 1 57905 0.0648 0.4743 -0.71211 2017 6 2 57906 0.0667 0.4750 -0.71343 2017 6 3 57907 0.0686 0.4756 -0.71471 2017 6 4 57908 0.0705 0.4763 -0.71593 2017 6 5 57909 0.0724 0.4769 -0.71702 2017 6 6 57910 0.0743 0.4775 -0.71807 2017 6 7 57911 0.0763 0.4780 -0.71899 2017 6 8 57912 0.0782 0.4786 -0.71975 2017 6 9 57913 0.0802 0.4791 -0.72044 2017 6 10 57914 0.0821 0.4795 -0.72096 2017 6 11 57915 0.0841 0.4800 -0.72147 2017 6 12 57916 0.0860 0.4804 -0.72196 2017 6 13 57917 0.0880 0.4808 -0.72249 2017 6 14 57918 0.0900 0.4811 -0.72304 2017 6 15 57919 0.0920 0.4814 -0.72375 2017 6 16 57920 0.0940 0.4817 -0.72463 2017 6 17 57921 0.0959 0.4820 -0.72569 2017 6 18 57922 0.0979 0.4822 -0.72683 2017 6 19 57923 0.0999 0.4824 -0.72812 2017 6 20 57924 0.1019 0.4825 -0.72946 2017 6 21 57925 0.1039 0.4827 -0.73085 2017 6 22 57926 0.1059 0.4828 -0.73221 2017 6 23 57927 0.1079 0.4828 -0.73347 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) 57541 -94.14 0.30 -12.63 0.07 57542 -94.65 0.30 -12.82 0.07 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 57541 0.112 0.119 0.066 0.070 57542 0.154 0.119 0.087 0.070 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).