********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 14 April 2016 Vol. XXIX No. 015 ______________________________________________________________________ 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 24 Mar 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 4 8 57486 0.00074 .00009 0.43470 .00009 -0.097262 0.000023 16 4 9 57487 0.00209 .00009 0.43703 .00009 -0.099587 0.000023 16 4 10 57488 0.00336 .00009 0.43905 .00009 -0.101728 0.000017 16 4 11 57489 0.00469 .00009 0.44092 .00009 -0.103671 0.000007 16 4 12 57490 0.00620 .00009 0.44264 .00009 -0.105480 0.000006 16 4 13 57491 0.00775 .00009 0.44419 .00009 -0.107168 0.000007 16 4 14 57492 0.00915 .00009 0.44570 .00009 -0.108773 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 = 0.1137 - 0.1193 cos A + 0.0524 sin A + 0.0142 cos C + 0.0310 sin C y = 0.3654 + 0.0476 cos A + 0.1088 sin A + 0.0310 cos C - 0.0142 sin C UT1-UTC = -0.0926 - 0.00143 (MJD - 57500) - (UT2-UT1) where A = 2*pi*(MJD-57492)/365.25 and C = 2*pi*(MJD-57492)/435. TAI-UTC(MJD 57493) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57492)**0.80 S t = 0.00025 (MJD-57492)**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 4 15 57493 0.0106 0.4472 -0.11038 2016 4 16 57494 0.0119 0.4486 -0.11198 2016 4 17 57495 0.0133 0.4501 -0.11359 2016 4 18 57496 0.0147 0.4516 -0.11524 2016 4 19 57497 0.0162 0.4530 -0.11690 2016 4 20 57498 0.0178 0.4544 -0.11856 2016 4 21 57499 0.0193 0.4557 -0.12018 2016 4 22 57500 0.0209 0.4569 -0.12174 2016 4 23 57501 0.0226 0.4581 -0.12323 2016 4 24 57502 0.0242 0.4593 -0.12465 2016 4 25 57503 0.0260 0.4604 -0.12599 2016 4 26 57504 0.0277 0.4615 -0.12728 2016 4 27 57505 0.0295 0.4626 -0.12855 2016 4 28 57506 0.0313 0.4637 -0.12985 2016 4 29 57507 0.0331 0.4648 -0.13121 2016 4 30 57508 0.0349 0.4659 -0.13267 2016 5 1 57509 0.0367 0.4669 -0.13425 2016 5 2 57510 0.0386 0.4679 -0.13602 2016 5 3 57511 0.0405 0.4689 -0.13797 2016 5 4 57512 0.0423 0.4699 -0.14006 2016 5 5 57513 0.0443 0.4708 -0.14222 2016 5 6 57514 0.0462 0.4717 -0.14435 2016 5 7 57515 0.0481 0.4726 -0.14635 2016 5 8 57516 0.0501 0.4734 -0.14818 2016 5 9 57517 0.0520 0.4742 -0.14985 2016 5 10 57518 0.0540 0.4750 -0.15140 2016 5 11 57519 0.0560 0.4758 -0.15287 2016 5 12 57520 0.0580 0.4765 -0.15433 2016 5 13 57521 0.0600 0.4772 -0.15580 2016 5 14 57522 0.0620 0.4779 -0.15729 2016 5 15 57523 0.0641 0.4785 -0.15880 2016 5 16 57524 0.0661 0.4791 -0.16033 2016 5 17 57525 0.0682 0.4797 -0.16186 2016 5 18 57526 0.0702 0.4802 -0.16337 2016 5 19 57527 0.0723 0.4807 -0.16481 2016 5 20 57528 0.0744 0.4812 -0.16618 2016 5 21 57529 0.0765 0.4816 -0.16745 2016 5 22 57530 0.0786 0.4821 -0.16863 2016 5 23 57531 0.0807 0.4824 -0.16971 2016 5 24 57532 0.0829 0.4828 -0.17072 2016 5 25 57533 0.0850 0.4831 -0.17170 2016 5 26 57534 0.0871 0.4834 -0.17268 2016 5 27 57535 0.0893 0.4836 -0.17373 2016 5 28 57536 0.0914 0.4839 -0.17489 2016 5 29 57537 0.0936 0.4840 -0.17618 2016 5 30 57538 0.0957 0.4842 -0.17762 2016 5 31 57539 0.0979 0.4843 -0.17916 2016 6 1 57540 0.1000 0.4844 -0.18077 2016 6 2 57541 0.1022 0.4845 -0.18235 2016 6 3 57542 0.1044 0.4845 -0.18383 2016 6 4 57543 0.1065 0.4845 -0.18516 2016 6 5 57544 0.1087 0.4845 -0.18633 2016 6 6 57545 0.1108 0.4844 -0.18736 2016 6 7 57546 0.1130 0.4843 -0.18832 2016 6 8 57547 0.1152 0.4842 -0.18925 2016 6 9 57548 0.1173 0.4840 -0.19020 2016 6 10 57549 0.1195 0.4838 -0.19118 2016 6 11 57550 0.1216 0.4835 -0.19220 2016 6 12 57551 0.1238 0.4833 -0.19324 2016 6 13 57552 0.1259 0.4830 -0.19429 2016 6 14 57553 0.1280 0.4826 -0.19534 2016 6 15 57554 0.1302 0.4823 -0.19635 2016 6 16 57555 0.1323 0.4819 -0.19730 2016 6 17 57556 0.1344 0.4815 -0.19817 2016 6 18 57557 0.1365 0.4810 -0.19897 2016 6 19 57558 0.1386 0.4805 -0.19969 2016 6 20 57559 0.1407 0.4800 -0.20035 2016 6 21 57560 0.1428 0.4794 -0.20097 2016 6 22 57561 0.1449 0.4788 -0.20160 2016 6 23 57562 0.1469 0.4782 -0.20230 2016 6 24 57563 0.1490 0.4776 -0.20309 2016 6 25 57564 0.1510 0.4769 -0.20401 2016 6 26 57565 0.1530 0.4762 -0.20506 2016 6 27 57566 0.1551 0.4754 -0.20622 2016 6 28 57567 0.1571 0.4747 -0.20744 2016 6 29 57568 0.1590 0.4739 -0.20867 2016 6 30 57569 0.1610 0.4730 -0.20984 2016 7 1 57570 0.1630 0.4722 -0.21088 2016 7 2 57571 0.1649 0.4713 -0.21179 2016 7 3 57572 0.1668 0.4703 -0.21257 2016 7 4 57573 0.1687 0.4694 -0.21324 2016 7 5 57574 0.1706 0.4684 -0.21388 2016 7 6 57575 0.1725 0.4674 -0.21452 2016 7 7 57576 0.1744 0.4664 -0.21518 2016 7 8 57577 0.1762 0.4653 -0.21588 2016 7 9 57578 0.1780 0.4642 -0.21660 2016 7 10 57579 0.1798 0.4631 -0.21733 2016 7 11 57580 0.1816 0.4619 -0.21804 2016 7 12 57581 0.1833 0.4608 -0.21872 2016 7 13 57582 0.1851 0.4596 -0.21933 2016 7 14 57583 0.1868 0.4583 -0.21986 2016 7 15 57584 0.1885 0.4571 -0.22031 2016 7 16 57585 0.1901 0.4558 -0.22068 2016 7 17 57586 0.1918 0.4545 -0.22098 2016 7 18 57587 0.1934 0.4532 -0.22127 2016 7 19 57588 0.1950 0.4518 -0.22156 2016 7 20 57589 0.1966 0.4504 -0.22192 2016 7 21 57590 0.1981 0.4490 -0.22238 2016 7 22 57591 0.1997 0.4476 -0.22300 2016 7 23 57592 0.2012 0.4462 -0.22376 2016 7 24 57593 0.2026 0.4447 -0.22466 2016 7 25 57594 0.2041 0.4432 -0.22563 2016 7 26 57595 0.2055 0.4417 -0.22662 2016 7 27 57596 0.2069 0.4401 -0.22756 2016 7 28 57597 0.2082 0.4386 -0.22840 2016 7 29 57598 0.2096 0.4370 -0.22912 2016 7 30 57599 0.2109 0.4354 -0.22972 2016 7 31 57600 0.2122 0.4338 -0.23023 2016 8 1 57601 0.2134 0.4321 -0.23072 2016 8 2 57602 0.2146 0.4305 -0.23122 2016 8 3 57603 0.2158 0.4288 -0.23179 2016 8 4 57604 0.2170 0.4271 -0.23242 2016 8 5 57605 0.2181 0.4254 -0.23312 2016 8 6 57606 0.2192 0.4237 -0.23387 2016 8 7 57607 0.2202 0.4219 -0.23463 2016 8 8 57608 0.2213 0.4201 -0.23538 2016 8 9 57609 0.2223 0.4184 -0.23609 2016 8 10 57610 0.2233 0.4166 -0.23675 2016 8 11 57611 0.2242 0.4148 -0.23734 2016 8 12 57612 0.2251 0.4129 -0.23787 2016 8 13 57613 0.2260 0.4111 -0.23835 2016 8 14 57614 0.2268 0.4093 -0.23882 2016 8 15 57615 0.2276 0.4074 -0.23930 2016 8 16 57616 0.2284 0.4055 -0.23986 2016 8 17 57617 0.2291 0.4036 -0.24053 2016 8 18 57618 0.2298 0.4017 -0.24136 2016 8 19 57619 0.2305 0.3998 -0.24237 2016 8 20 57620 0.2311 0.3979 -0.24356 2016 8 21 57621 0.2317 0.3960 -0.24487 2016 8 22 57622 0.2323 0.3940 -0.24623 2016 8 23 57623 0.2328 0.3921 -0.24756 2016 8 24 57624 0.2333 0.3901 -0.24879 2016 8 25 57625 0.2338 0.3882 -0.24989 2016 8 26 57626 0.2342 0.3862 -0.25087 2016 8 27 57627 0.2346 0.3842 -0.25176 2016 8 28 57628 0.2349 0.3823 -0.25260 2016 8 29 57629 0.2352 0.3803 -0.25346 2016 8 30 57630 0.2355 0.3783 -0.25438 2016 8 31 57631 0.2358 0.3763 -0.25538 2016 9 1 57632 0.2360 0.3743 -0.25647 2016 9 2 57633 0.2361 0.3723 -0.25762 2016 9 3 57634 0.2363 0.3703 -0.25881 2016 9 4 57635 0.2364 0.3683 -0.26001 2016 9 5 57636 0.2365 0.3663 -0.26119 2016 9 6 57637 0.2365 0.3643 -0.26232 2016 9 7 57638 0.2365 0.3623 -0.26340 2016 9 8 57639 0.2364 0.3602 -0.26441 2016 9 9 57640 0.2363 0.3582 -0.26537 2016 9 10 57641 0.2362 0.3562 -0.26630 2016 9 11 57642 0.2361 0.3542 -0.26725 2016 9 12 57643 0.2359 0.3522 -0.26824 2016 9 13 57644 0.2357 0.3502 -0.26935 2016 9 14 57645 0.2354 0.3482 -0.27060 2016 9 15 57646 0.2351 0.3462 -0.27204 2016 9 16 57647 0.2348 0.3442 -0.27369 2016 9 17 57648 0.2344 0.3423 -0.27550 2016 9 18 57649 0.2340 0.3403 -0.27741 2016 9 19 57650 0.2336 0.3383 -0.27933 2016 9 20 57651 0.2331 0.3363 -0.28117 2016 9 21 57652 0.2326 0.3344 -0.28288 2016 9 22 57653 0.2320 0.3324 -0.28444 2016 9 23 57654 0.2314 0.3305 -0.28587 2016 9 24 57655 0.2308 0.3286 -0.28724 2016 9 25 57656 0.2302 0.3266 -0.28859 2016 9 26 57657 0.2295 0.3247 -0.28998 2016 9 27 57658 0.2288 0.3228 -0.29144 2016 9 28 57659 0.2280 0.3209 -0.29298 2016 9 29 57660 0.2272 0.3190 -0.29458 2016 9 30 57661 0.2264 0.3172 -0.29624 2016 10 1 57662 0.2256 0.3153 -0.29792 2016 10 2 57663 0.2247 0.3135 -0.29958 2016 10 3 57664 0.2238 0.3116 -0.30120 2016 10 4 57665 0.2228 0.3098 -0.30276 2016 10 5 57666 0.2218 0.3080 -0.30425 2016 10 6 57667 0.2208 0.3062 -0.30568 2016 10 7 57668 0.2197 0.3045 -0.30706 2016 10 8 57669 0.2187 0.3027 -0.30843 2016 10 9 57670 0.2176 0.3010 -0.30982 2016 10 10 57671 0.2164 0.2993 -0.31129 2016 10 11 57672 0.2152 0.2976 -0.31289 2016 10 12 57673 0.2140 0.2959 -0.31465 2016 10 13 57674 0.2128 0.2942 -0.31661 2016 10 14 57675 0.2115 0.2926 -0.31876 2016 10 15 57676 0.2102 0.2909 -0.32105 2016 10 16 57677 0.2089 0.2893 -0.32341 2016 10 17 57678 0.2076 0.2877 -0.32572 2016 10 18 57679 0.2062 0.2862 -0.32790 2016 10 19 57680 0.2048 0.2846 -0.32989 2016 10 20 57681 0.2033 0.2831 -0.33169 2016 10 21 57682 0.2019 0.2816 -0.33333 2016 10 22 57683 0.2004 0.2801 -0.33487 2016 10 23 57684 0.1989 0.2786 -0.33637 2016 10 24 57685 0.1973 0.2772 -0.33786 2016 10 25 57686 0.1957 0.2758 -0.33939 2016 10 26 57687 0.1942 0.2744 -0.34097 2016 10 27 57688 0.1925 0.2730 -0.34260 2016 10 28 57689 0.1909 0.2717 -0.34425 2016 10 29 57690 0.1892 0.2704 -0.34592 2016 10 30 57691 0.1875 0.2691 -0.34756 2016 10 31 57692 0.1858 0.2678 -0.34916 2016 11 1 57693 0.1841 0.2666 -0.35069 2016 11 2 57694 0.1823 0.2654 -0.35215 2016 11 3 57695 0.1806 0.2642 -0.35355 2016 11 4 57696 0.1788 0.2630 -0.35490 2016 11 5 57697 0.1770 0.2619 -0.35622 2016 11 6 57698 0.1751 0.2608 -0.35758 2016 11 7 57699 0.1733 0.2597 -0.35900 2016 11 8 57700 0.1714 0.2587 -0.36054 2016 11 9 57701 0.1695 0.2577 -0.36222 2016 11 10 57702 0.1676 0.2567 -0.36407 2016 11 11 57703 0.1656 0.2557 -0.36607 2016 11 12 57704 0.1637 0.2548 -0.36817 2016 11 13 57705 0.1617 0.2539 -0.37033 2016 11 14 57706 0.1598 0.2530 -0.37244 2016 11 15 57707 0.1578 0.2522 -0.37446 2016 11 16 57708 0.1558 0.2514 -0.37635 2016 11 17 57709 0.1537 0.2506 -0.37812 2016 11 18 57710 0.1517 0.2498 -0.37979 2016 11 19 57711 0.1497 0.2491 -0.38142 2016 11 20 57712 0.1476 0.2484 -0.38309 2016 11 21 57713 0.1455 0.2478 -0.38482 2016 11 22 57714 0.1434 0.2472 -0.38661 2016 11 23 57715 0.1414 0.2466 -0.38843 2016 11 24 57716 0.1392 0.2460 -0.39020 2016 11 25 57717 0.1371 0.2455 -0.39193 2016 11 26 57718 0.1350 0.2450 -0.39357 2016 11 27 57719 0.1329 0.2445 -0.39514 2016 11 28 57720 0.1307 0.2441 -0.39668 2016 11 29 57721 0.1286 0.2437 -0.39812 2016 11 30 57722 0.1265 0.2433 -0.39950 2016 12 1 57723 0.1243 0.2430 -0.40086 2016 12 2 57724 0.1221 0.2427 -0.40212 2016 12 3 57725 0.1200 0.2424 -0.40334 2016 12 4 57726 0.1178 0.2422 -0.40471 2016 12 5 57727 0.1156 0.2420 -0.40622 2016 12 6 57728 0.1134 0.2418 -0.40789 2016 12 7 57729 0.1113 0.2417 -0.40977 2016 12 8 57730 0.1091 0.2416 -0.41180 2016 12 9 57731 0.1069 0.2415 -0.41396 2016 12 10 57732 0.1047 0.2415 -0.41618 2016 12 11 57733 0.1025 0.2415 -0.41843 2016 12 12 57734 0.1004 0.2415 -0.42056 2016 12 13 57735 0.0982 0.2416 -0.42251 2016 12 14 57736 0.0960 0.2417 -0.42429 2016 12 15 57737 0.0938 0.2418 -0.42588 2016 12 16 57738 0.0917 0.2420 -0.42741 2016 12 17 57739 0.0895 0.2422 -0.42898 2016 12 18 57740 0.0873 0.2424 -0.43059 2016 12 19 57741 0.0852 0.2427 -0.43228 2016 12 20 57742 0.0830 0.2430 -0.43398 2016 12 21 57743 0.0809 0.2433 -0.43564 2016 12 22 57744 0.0787 0.2437 -0.43728 2016 12 23 57745 0.0766 0.2441 -0.43889 2016 12 24 57746 0.0745 0.2445 -0.44040 2016 12 25 57747 0.0724 0.2449 -0.44178 2016 12 26 57748 0.0702 0.2454 -0.44303 2016 12 27 57749 0.0682 0.2460 -0.44425 2016 12 28 57750 0.0661 0.2465 -0.44545 2016 12 29 57751 0.0640 0.2471 -0.44664 2016 12 30 57752 0.0619 0.2477 -0.44786 2016 12 31 57753 0.0599 0.2484 -0.44916 2017 1 1 57754 0.0578 0.2491 -0.45049 2017 1 2 57755 0.0558 0.2498 -0.45198 2017 1 3 57756 0.0538 0.2505 -0.45359 2017 1 4 57757 0.0518 0.2513 -0.45533 2017 1 5 57758 0.0498 0.2521 -0.45722 2017 1 6 57759 0.0478 0.2529 -0.45916 2017 1 7 57760 0.0459 0.2538 -0.46107 2017 1 8 57761 0.0439 0.2547 -0.46299 2017 1 9 57762 0.0420 0.2556 -0.46473 2017 1 10 57763 0.0401 0.2566 -0.46634 2017 1 11 57764 0.0382 0.2575 -0.46785 2017 1 12 57765 0.0364 0.2586 -0.46930 2017 1 13 57766 0.0345 0.2596 -0.47074 2017 1 14 57767 0.0327 0.2607 -0.47221 2017 1 15 57768 0.0309 0.2618 -0.47372 2017 1 16 57769 0.0291 0.2629 -0.47524 2017 1 17 57770 0.0273 0.2640 -0.47684 2017 1 18 57771 0.0256 0.2652 -0.47841 2017 1 19 57772 0.0239 0.2664 -0.47991 2017 1 20 57773 0.0222 0.2676 -0.48139 2017 1 21 57774 0.0205 0.2689 -0.48270 2017 1 22 57775 0.0188 0.2702 -0.48399 2017 1 23 57776 0.0172 0.2715 -0.48519 2017 1 24 57777 0.0156 0.2728 -0.48634 2017 1 25 57778 0.0140 0.2742 -0.48741 2017 1 26 57779 0.0125 0.2756 -0.48855 2017 1 27 57780 0.0110 0.2770 -0.48977 2017 1 28 57781 0.0094 0.2784 -0.49112 2017 1 29 57782 0.0080 0.2798 -0.49259 2017 1 30 57783 0.0065 0.2813 -0.49426 2017 1 31 57784 0.0051 0.2828 -0.49611 2017 2 1 57785 0.0037 0.2843 -0.49818 2017 2 2 57786 0.0023 0.2858 -0.50039 2017 2 3 57787 0.0010 0.2874 -0.50267 2017 2 4 57788 -0.0003 0.2890 -0.50486 2017 2 5 57789 -0.0016 0.2906 -0.50690 2017 2 6 57790 -0.0028 0.2922 -0.50888 2017 2 7 57791 -0.0041 0.2938 -0.51068 2017 2 8 57792 -0.0053 0.2955 -0.51246 2017 2 9 57793 -0.0064 0.2972 -0.51419 2017 2 10 57794 -0.0076 0.2988 -0.51592 2017 2 11 57795 -0.0087 0.3006 -0.51769 2017 2 12 57796 -0.0097 0.3023 -0.51955 2017 2 13 57797 -0.0108 0.3040 -0.52146 2017 2 14 57798 -0.0118 0.3058 -0.52343 2017 2 15 57799 -0.0127 0.3075 -0.52540 2017 2 16 57800 -0.0137 0.3093 -0.52734 2017 2 17 57801 -0.0146 0.3111 -0.52918 2017 2 18 57802 -0.0155 0.3129 -0.53086 2017 2 19 57803 -0.0163 0.3148 -0.53240 2017 2 20 57804 -0.0171 0.3166 -0.53382 2017 2 21 57805 -0.0179 0.3185 -0.53508 2017 2 22 57806 -0.0186 0.3203 -0.53635 2017 2 23 57807 -0.0193 0.3222 -0.53760 2017 2 24 57808 -0.0200 0.3241 -0.53884 2017 2 25 57809 -0.0206 0.3260 -0.54014 2017 2 26 57810 -0.0212 0.3279 -0.54150 2017 2 27 57811 -0.0218 0.3298 -0.54298 2017 2 28 57812 -0.0224 0.3317 -0.54471 2017 3 1 57813 -0.0229 0.3336 -0.54641 2017 3 2 57814 -0.0233 0.3356 -0.54819 2017 3 3 57815 -0.0237 0.3375 -0.54996 2017 3 4 57816 -0.0241 0.3395 -0.55163 2017 3 5 57817 -0.0245 0.3414 -0.55319 2017 3 6 57818 -0.0248 0.3434 -0.55467 2017 3 7 57819 -0.0251 0.3454 -0.55620 2017 3 8 57820 -0.0254 0.3473 -0.55774 2017 3 9 57821 -0.0256 0.3493 -0.55927 2017 3 10 57822 -0.0258 0.3513 -0.56088 2017 3 11 57823 -0.0259 0.3533 -0.56255 2017 3 12 57824 -0.0260 0.3552 -0.56431 2017 3 13 57825 -0.0261 0.3572 -0.56606 2017 3 14 57826 -0.0261 0.3592 -0.56782 2017 3 15 57827 -0.0261 0.3612 -0.56954 2017 3 16 57828 -0.0261 0.3632 -0.57121 2017 3 17 57829 -0.0260 0.3652 -0.57279 2017 3 18 57830 -0.0259 0.3672 -0.57434 2017 3 19 57831 -0.0258 0.3691 -0.57575 2017 3 20 57832 -0.0256 0.3711 -0.57716 2017 3 21 57833 -0.0254 0.3731 -0.57852 2017 3 22 57834 -0.0251 0.3751 -0.57993 2017 3 23 57835 -0.0249 0.3770 -0.58145 2017 3 24 57836 -0.0245 0.3790 -0.58316 2017 3 25 57837 -0.0242 0.3809 -0.58504 2017 3 26 57838 -0.0238 0.3829 -0.58715 2017 3 27 57839 -0.0234 0.3848 -0.58943 2017 3 28 57840 -0.0229 0.3868 -0.59182 2017 3 29 57841 -0.0224 0.3887 -0.59424 2017 3 30 57842 -0.0219 0.3906 -0.59663 2017 3 31 57843 -0.0213 0.3926 -0.59886 2017 4 1 57844 -0.0207 0.3945 -0.60093 2017 4 2 57845 -0.0201 0.3964 -0.60285 2017 4 3 57846 -0.0194 0.3983 -0.60464 2017 4 4 57847 -0.0188 0.4001 -0.60633 2017 4 5 57848 -0.0180 0.4020 -0.60795 2017 4 6 57849 -0.0173 0.4039 -0.60958 2017 4 7 57850 -0.0165 0.4057 -0.61121 2017 4 8 57851 -0.0156 0.4075 -0.61290 2017 4 9 57852 -0.0148 0.4094 -0.61454 2017 4 10 57853 -0.0139 0.4112 -0.61615 2017 4 11 57854 -0.0129 0.4130 -0.61773 2017 4 12 57855 -0.0120 0.4147 -0.61925 2017 4 13 57856 -0.0110 0.4165 -0.62069 2017 4 14 57857 -0.0100 0.4183 -0.62208 These predictions are based on all announced leap seconds. 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).