********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 1 September 2016 Vol. XXIX No. 035 ______________________________________________________________________ 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 = -0.3 seconds beginning 01 Sep 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. * * * * A positive leap second WILL be introduced in UTC on 31 Dec 2016. * * * * 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 8 26 57626 0.23143 .00009 0.40189 .00009 -0.242293 0.000012 16 8 27 57627 0.23259 .00009 0.39983 .00010 -0.243031 0.000016 16 8 28 57628 0.23376 .00009 0.39768 .00009 -0.243731 0.000020 16 8 29 57629 0.23475 .00009 0.39559 .00009 -0.244365 0.000028 16 8 30 57630 0.23546 .00009 0.39332 .00009 -0.245008 0.000028 16 8 31 57631 0.23603 .00009 0.39110 .00009 -0.245753 0.000030 16 9 1 57632 0.23651 .00009 0.38926 .00009 -0.246561 0.000035 IERS Final Values MJD x y UT1-UTC " " s 16 7 2 57571 0.1545 0.4826 -0.21332 16 7 3 57572 0.1566 0.4816 -0.21413 16 7 4 57573 0.1586 0.4806 -0.21476 16 7 5 57574 0.1606 0.4796 -0.21531 16 7 6 57575 0.1625 0.4785 -0.21587 16 7 7 57576 0.1644 0.4773 -0.21638 16 7 8 57577 0.1664 0.4763 -0.21690 16 7 9 57578 0.1686 0.4752 -0.21752 16 7 10 57579 0.1714 0.4737 -0.21816 16 7 11 57580 0.1741 0.4723 -0.21868 16 7 12 57581 0.1769 0.4711 -0.21914 16 7 13 57582 0.1793 0.4703 -0.21956 16 7 14 57583 0.1810 0.4692 -0.21988 16 7 15 57584 0.1828 0.4681 -0.22005 16 7 16 57585 0.1849 0.4667 -0.22006 16 7 17 57586 0.1872 0.4655 -0.22005 16 7 18 57587 0.1896 0.4643 -0.22003 16 7 19 57588 0.1922 0.4631 -0.22001 16 7 20 57589 0.1944 0.4620 -0.22008 16 7 21 57590 0.1962 0.4610 -0.22026 16 7 22 57591 0.1981 0.4597 -0.22057 16 7 23 57592 0.2002 0.4586 -0.22098 16 7 24 57593 0.2022 0.4576 -0.22144 16 7 25 57594 0.2043 0.4567 -0.22200 16 7 26 57595 0.2061 0.4560 -0.22260 16 7 27 57596 0.2075 0.4551 -0.22320 16 7 28 57597 0.2088 0.4542 -0.22378 16 7 29 57598 0.2101 0.4532 -0.22429 16 7 30 57599 0.2115 0.4518 -0.22471 16 7 31 57600 0.2126 0.4506 -0.22508 16 8 1 57601 0.2132 0.4494 -0.22543 _______________________________________________________________________ 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 = 0.1060 + 0.1036 cos A + 0.0231 sin A + 0.0277 cos C - 0.0023 sin C y = 0.3679 + 0.0243 cos A - 0.0998 sin A - 0.0023 cos C - 0.0277 sin C UT1-UTC = -0.2758 - 0.00141 (MJD - 57640) - (UT2-UT1) where A = 2*pi*(MJD-57632)/365.25 and C = 2*pi*(MJD-57632)/435. TAI-UTC(MJD 57633) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57632)**0.80 S t = 0.00025 (MJD-57632)**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 9 2 57633 0.2368 0.3875 -0.24742 2016 9 3 57634 0.2372 0.3858 -0.24831 2016 9 4 57635 0.2374 0.3840 -0.24922 2016 9 5 57636 0.2377 0.3823 -0.25013 2016 9 6 57637 0.2379 0.3804 -0.25100 2016 9 7 57638 0.2381 0.3786 -0.25180 2016 9 8 57639 0.2383 0.3767 -0.25251 2016 9 9 57640 0.2384 0.3748 -0.25313 2016 9 10 57641 0.2384 0.3729 -0.25373 2016 9 11 57642 0.2384 0.3710 -0.25439 2016 9 12 57643 0.2384 0.3691 -0.25511 2016 9 13 57644 0.2384 0.3672 -0.25592 2016 9 14 57645 0.2384 0.3653 -0.25688 2016 9 15 57646 0.2383 0.3634 -0.25805 2016 9 16 57647 0.2382 0.3616 -0.25944 2016 9 17 57648 0.2381 0.3597 -0.26102 2016 9 18 57649 0.2379 0.3577 -0.26271 2016 9 19 57650 0.2377 0.3559 -0.26440 2016 9 20 57651 0.2375 0.3540 -0.26602 2016 9 21 57652 0.2372 0.3521 -0.26750 2016 9 22 57653 0.2369 0.3503 -0.26883 2016 9 23 57654 0.2365 0.3485 -0.27005 2016 9 24 57655 0.2361 0.3466 -0.27122 2016 9 25 57656 0.2357 0.3448 -0.27239 2016 9 26 57657 0.2352 0.3430 -0.27361 2016 9 27 57658 0.2347 0.3412 -0.27491 2016 9 28 57659 0.2342 0.3393 -0.27629 2016 9 29 57660 0.2336 0.3375 -0.27775 2016 9 30 57661 0.2330 0.3358 -0.27925 2016 10 1 57662 0.2324 0.3340 -0.28076 2016 10 2 57663 0.2317 0.3322 -0.28224 2016 10 3 57664 0.2310 0.3304 -0.28365 2016 10 4 57665 0.2303 0.3287 -0.28498 2016 10 5 57666 0.2295 0.3269 -0.28624 2016 10 6 57667 0.2287 0.3252 -0.28742 2016 10 7 57668 0.2279 0.3235 -0.28855 2016 10 8 57669 0.2270 0.3218 -0.28966 2016 10 9 57670 0.2261 0.3201 -0.29079 2016 10 10 57671 0.2252 0.3184 -0.29201 2016 10 11 57672 0.2243 0.3167 -0.29335 2016 10 12 57673 0.2233 0.3151 -0.29487 2016 10 13 57674 0.2223 0.3134 -0.29660 2016 10 14 57675 0.2212 0.3118 -0.29853 2016 10 15 57676 0.2202 0.3102 -0.30062 2016 10 16 57677 0.2191 0.3086 -0.30278 2016 10 17 57678 0.2180 0.3071 -0.30491 2016 10 18 57679 0.2168 0.3055 -0.30692 2016 10 19 57680 0.2156 0.3040 -0.30876 2016 10 20 57681 0.2144 0.3025 -0.31044 2016 10 21 57682 0.2132 0.3010 -0.31201 2016 10 22 57683 0.2119 0.2995 -0.31351 2016 10 23 57684 0.2106 0.2980 -0.31502 2016 10 24 57685 0.2093 0.2966 -0.31657 2016 10 25 57686 0.2080 0.2952 -0.31817 2016 10 26 57687 0.2066 0.2938 -0.31984 2016 10 27 57688 0.2052 0.2924 -0.32156 2016 10 28 57689 0.2038 0.2910 -0.32329 2016 10 29 57690 0.2024 0.2897 -0.32502 2016 10 30 57691 0.2009 0.2884 -0.32672 2016 10 31 57692 0.1994 0.2871 -0.32836 2016 11 1 57693 0.1979 0.2858 -0.32993 2016 11 2 57694 0.1964 0.2846 -0.33143 2016 11 3 57695 0.1948 0.2834 -0.33288 2016 11 4 57696 0.1932 0.2822 -0.33429 2016 11 5 57697 0.1917 0.2810 -0.33571 2016 11 6 57698 0.1900 0.2799 -0.33716 2016 11 7 57699 0.1884 0.2787 -0.33871 2016 11 8 57700 0.1867 0.2776 -0.34039 2016 11 9 57701 0.1851 0.2766 -0.34222 2016 11 10 57702 0.1834 0.2755 -0.34423 2016 11 11 57703 0.1817 0.2745 -0.34640 2016 11 12 57704 0.1799 0.2735 -0.34867 2016 11 13 57705 0.1782 0.2725 -0.35097 2016 11 14 57706 0.1764 0.2716 -0.35319 2016 11 15 57707 0.1747 0.2707 -0.35526 2016 11 16 57708 0.1729 0.2698 -0.35717 2016 11 17 57709 0.1711 0.2689 -0.35893 2016 11 18 57710 0.1692 0.2681 -0.36059 2016 11 19 57711 0.1674 0.2673 -0.36222 2016 11 20 57712 0.1655 0.2665 -0.36386 2016 11 21 57713 0.1637 0.2658 -0.36554 2016 11 22 57714 0.1618 0.2651 -0.36724 2016 11 23 57715 0.1599 0.2644 -0.36896 2016 11 24 57716 0.1580 0.2637 -0.37068 2016 11 25 57717 0.1561 0.2631 -0.37238 2016 11 26 57718 0.1542 0.2625 -0.37402 2016 11 27 57719 0.1523 0.2619 -0.37558 2016 11 28 57720 0.1503 0.2614 -0.37705 2016 11 29 57721 0.1484 0.2609 -0.37842 2016 11 30 57722 0.1464 0.2604 -0.37972 2016 12 1 57723 0.1445 0.2599 -0.38096 2016 12 2 57724 0.1425 0.2595 -0.38217 2016 12 3 57725 0.1405 0.2591 -0.38339 2016 12 4 57726 0.1385 0.2588 -0.38466 2016 12 5 57727 0.1365 0.2584 -0.38604 2016 12 6 57728 0.1346 0.2581 -0.38756 2016 12 7 57729 0.1326 0.2579 -0.38922 2016 12 8 57730 0.1306 0.2576 -0.39103 2016 12 9 57731 0.1286 0.2574 -0.39296 2016 12 10 57732 0.1265 0.2572 -0.39495 2016 12 11 57733 0.1245 0.2571 -0.39692 2016 12 12 57734 0.1225 0.2570 -0.39880 2016 12 13 57735 0.1205 0.2569 -0.40055 2016 12 14 57736 0.1185 0.2568 -0.40216 2016 12 15 57737 0.1165 0.2568 -0.40367 2016 12 16 57738 0.1145 0.2568 -0.40514 2016 12 17 57739 0.1125 0.2569 -0.40661 2016 12 18 57740 0.1105 0.2569 -0.40813 2016 12 19 57741 0.1085 0.2570 -0.40964 2016 12 20 57742 0.1065 0.2571 -0.41119 2016 12 21 57743 0.1045 0.2573 -0.41273 2016 12 22 57744 0.1025 0.2575 -0.41426 2016 12 23 57745 0.1005 0.2577 -0.41573 2016 12 24 57746 0.0985 0.2580 -0.41713 2016 12 25 57747 0.0966 0.2583 -0.41844 2016 12 26 57748 0.0946 0.2586 -0.41966 2016 12 27 57749 0.0926 0.2589 -0.42080 2016 12 28 57750 0.0907 0.2593 -0.42187 2016 12 29 57751 0.0887 0.2597 -0.42291 2016 12 30 57752 0.0868 0.2601 -0.42395 2016 12 31 57753 0.0849 0.2606 -0.42503 2017 1 1 57754 0.0830 0.2611 0.57379 2017 1 2 57755 0.0811 0.2616 0.57249 2017 1 3 57756 0.0792 0.2621 0.57105 2017 1 4 57757 0.0773 0.2627 0.56947 2017 1 5 57758 0.0754 0.2633 0.56778 2017 1 6 57759 0.0736 0.2640 0.56603 2017 1 7 57760 0.0717 0.2646 0.56427 2017 1 8 57761 0.0699 0.2653 0.56257 2017 1 9 57762 0.0681 0.2661 0.56098 2017 1 10 57763 0.0663 0.2668 0.55949 2017 1 11 57764 0.0645 0.2676 0.55811 2017 1 12 57765 0.0627 0.2684 0.55677 2017 1 13 57766 0.0610 0.2692 0.55541 2017 1 14 57767 0.0592 0.2701 0.55400 2017 1 15 57768 0.0575 0.2710 0.55252 2017 1 16 57769 0.0558 0.2719 0.55098 2017 1 17 57770 0.0541 0.2728 0.54941 2017 1 18 57771 0.0524 0.2738 0.54784 2017 1 19 57772 0.0508 0.2748 0.54632 2017 1 20 57773 0.0492 0.2758 0.54485 2017 1 21 57774 0.0476 0.2768 0.54347 2017 1 22 57775 0.0460 0.2779 0.54217 2017 1 23 57776 0.0444 0.2790 0.54096 2017 1 24 57777 0.0429 0.2801 0.53981 2017 1 25 57778 0.0413 0.2812 0.53869 2017 1 26 57779 0.0398 0.2824 0.53757 2017 1 27 57780 0.0383 0.2836 0.53641 2017 1 28 57781 0.0369 0.2848 0.53515 2017 1 29 57782 0.0355 0.2860 0.53376 2017 1 30 57783 0.0340 0.2873 0.53222 2017 1 31 57784 0.0327 0.2885 0.53051 2017 2 1 57785 0.0313 0.2898 0.52868 2017 2 2 57786 0.0300 0.2911 0.52678 2017 2 3 57787 0.0287 0.2925 0.52487 2017 2 4 57788 0.0274 0.2938 0.52300 2017 2 5 57789 0.0261 0.2952 0.52123 2017 2 6 57790 0.0249 0.2966 0.51955 2017 2 7 57791 0.0237 0.2980 0.51797 2017 2 8 57792 0.0225 0.2995 0.51643 2017 2 9 57793 0.0213 0.3009 0.51489 2017 2 10 57794 0.0202 0.3024 0.51328 2017 2 11 57795 0.0191 0.3039 0.51158 2017 2 12 57796 0.0180 0.3054 0.50979 2017 2 13 57797 0.0170 0.3069 0.50794 2017 2 14 57798 0.0160 0.3084 0.50607 2017 2 15 57799 0.0150 0.3100 0.50421 2017 2 16 57800 0.0141 0.3115 0.50240 2017 2 17 57801 0.0131 0.3131 0.50067 2017 2 18 57802 0.0122 0.3147 0.49902 2017 2 19 57803 0.0114 0.3163 0.49746 2017 2 20 57804 0.0105 0.3179 0.49598 2017 2 21 57805 0.0097 0.3196 0.49454 2017 2 22 57806 0.0090 0.3212 0.49312 2017 2 23 57807 0.0082 0.3229 0.49166 2017 2 24 57808 0.0075 0.3245 0.49012 2017 2 25 57809 0.0068 0.3262 0.48846 2017 2 26 57810 0.0062 0.3279 0.48665 2017 2 27 57811 0.0056 0.3296 0.48466 2017 2 28 57812 0.0050 0.3313 0.48253 2017 3 1 57813 0.0044 0.3330 0.48031 2017 3 2 57814 0.0039 0.3348 0.47809 2017 3 3 57815 0.0034 0.3365 0.47593 2017 3 4 57816 0.0030 0.3382 0.47389 2017 3 5 57817 0.0025 0.3400 0.47200 2017 3 6 57818 0.0022 0.3418 0.47024 2017 3 7 57819 0.0018 0.3435 0.46858 2017 3 8 57820 0.0015 0.3453 0.46696 2017 3 9 57821 0.0012 0.3471 0.46533 2017 3 10 57822 0.0009 0.3488 0.46364 2017 3 11 57823 0.0007 0.3506 0.46187 2017 3 12 57824 0.0005 0.3524 0.46000 2017 3 13 57825 0.0003 0.3542 0.45806 2017 3 14 57826 0.0002 0.3560 0.45608 2017 3 15 57827 0.0001 0.3578 0.45408 2017 3 16 57828 0.0000 0.3596 0.45210 2017 3 17 57829 0.0000 0.3614 0.45017 2017 3 18 57830 0.0000 0.3632 0.44831 2017 3 19 57831 0.0001 0.3650 0.44652 2017 3 20 57832 0.0001 0.3668 0.44479 2017 3 21 57833 0.0002 0.3686 0.44310 2017 3 22 57834 0.0004 0.3703 0.44141 2017 3 23 57835 0.0005 0.3721 0.43967 2017 3 24 57836 0.0007 0.3739 0.43784 2017 3 25 57837 0.0010 0.3757 0.43588 2017 3 26 57838 0.0012 0.3775 0.43376 2017 3 27 57839 0.0015 0.3793 0.43150 2017 3 28 57840 0.0018 0.3810 0.42913 2017 3 29 57841 0.0022 0.3828 0.42673 2017 3 30 57842 0.0026 0.3846 0.42439 2017 3 31 57843 0.0030 0.3863 0.42220 2017 4 1 57844 0.0035 0.3881 0.42019 2017 4 2 57845 0.0040 0.3898 0.41834 2017 4 3 57846 0.0045 0.3916 0.41662 2017 4 4 57847 0.0050 0.3933 0.41493 2017 4 5 57848 0.0056 0.3950 0.41323 2017 4 6 57849 0.0062 0.3967 0.41145 2017 4 7 57850 0.0069 0.3984 0.40957 2017 4 8 57851 0.0076 0.4001 0.40759 2017 4 9 57852 0.0083 0.4018 0.40551 2017 4 10 57853 0.0090 0.4035 0.40339 2017 4 11 57854 0.0098 0.4051 0.40132 2017 4 12 57855 0.0106 0.4068 0.39934 2017 4 13 57856 0.0114 0.4084 0.39739 2017 4 14 57857 0.0122 0.4100 0.39570 2017 4 15 57858 0.0131 0.4117 0.39414 2017 4 16 57859 0.0140 0.4133 0.39269 2017 4 17 57860 0.0150 0.4148 0.39133 2017 4 18 57861 0.0159 0.4164 0.38993 2017 4 19 57862 0.0169 0.4180 0.38857 2017 4 20 57863 0.0180 0.4195 0.38714 2017 4 21 57864 0.0190 0.4210 0.38546 2017 4 22 57865 0.0201 0.4225 0.38361 2017 4 23 57866 0.0212 0.4240 0.38153 2017 4 24 57867 0.0223 0.4255 0.37924 2017 4 25 57868 0.0235 0.4269 0.37678 2017 4 26 57869 0.0246 0.4284 0.37425 2017 4 27 57870 0.0259 0.4298 0.37175 2017 4 28 57871 0.0271 0.4312 0.36943 2017 4 29 57872 0.0283 0.4326 0.36725 2017 4 30 57873 0.0296 0.4340 0.36523 2017 5 1 57874 0.0309 0.4353 0.36327 2017 5 2 57875 0.0322 0.4366 0.36134 2017 5 3 57876 0.0336 0.4379 0.35949 2017 5 4 57877 0.0350 0.4392 0.35750 2017 5 5 57878 0.0364 0.4405 0.35550 2017 5 6 57879 0.0378 0.4417 0.35333 2017 5 7 57880 0.0392 0.4430 0.35120 2017 5 8 57881 0.0407 0.4442 0.34904 2017 5 9 57882 0.0421 0.4453 0.34688 2017 5 10 57883 0.0436 0.4465 0.34485 2017 5 11 57884 0.0451 0.4476 0.34288 2017 5 12 57885 0.0467 0.4487 0.34101 2017 5 13 57886 0.0482 0.4498 0.33917 2017 5 14 57887 0.0498 0.4509 0.33743 2017 5 15 57888 0.0514 0.4519 0.33575 2017 5 16 57889 0.0530 0.4529 0.33410 2017 5 17 57890 0.0546 0.4539 0.33245 2017 5 18 57891 0.0563 0.4549 0.33079 2017 5 19 57892 0.0579 0.4558 0.32901 2017 5 20 57893 0.0596 0.4567 0.32713 2017 5 21 57894 0.0613 0.4576 0.32519 2017 5 22 57895 0.0630 0.4585 0.32318 2017 5 23 57896 0.0647 0.4593 0.32115 2017 5 24 57897 0.0664 0.4601 0.31924 2017 5 25 57898 0.0681 0.4609 0.31751 2017 5 26 57899 0.0699 0.4617 0.31587 2017 5 27 57900 0.0716 0.4624 0.31450 2017 5 28 57901 0.0734 0.4631 0.31321 2017 5 29 57902 0.0752 0.4638 0.31191 2017 5 30 57903 0.0770 0.4644 0.31063 2017 5 31 57904 0.0788 0.4651 0.30933 2017 6 1 57905 0.0806 0.4657 0.30802 2017 6 2 57906 0.0824 0.4662 0.30677 2017 6 3 57907 0.0843 0.4668 0.30552 2017 6 4 57908 0.0861 0.4673 0.30430 2017 6 5 57909 0.0879 0.4678 0.30312 2017 6 6 57910 0.0898 0.4682 0.30204 2017 6 7 57911 0.0916 0.4686 0.30106 2017 6 8 57912 0.0935 0.4690 0.30012 2017 6 9 57913 0.0954 0.4694 0.29928 2017 6 10 57914 0.0972 0.4698 0.29854 2017 6 11 57915 0.0991 0.4701 0.29779 2017 6 12 57916 0.1010 0.4704 0.29707 2017 6 13 57917 0.1029 0.4706 0.29642 2017 6 14 57918 0.1048 0.4708 0.29571 2017 6 15 57919 0.1066 0.4710 0.29498 2017 6 16 57920 0.1085 0.4712 0.29407 2017 6 17 57921 0.1104 0.4714 0.29304 2017 6 18 57922 0.1123 0.4715 0.29186 2017 6 19 57923 0.1142 0.4716 0.29065 2017 6 20 57924 0.1161 0.4716 0.28944 2017 6 21 57925 0.1180 0.4716 0.28833 2017 6 22 57926 0.1198 0.4716 0.28742 2017 6 23 57927 0.1217 0.4716 0.28673 2017 6 24 57928 0.1236 0.4716 0.28620 2017 6 25 57929 0.1255 0.4715 0.28573 2017 6 26 57930 0.1273 0.4714 0.28533 2017 6 27 57931 0.1292 0.4712 0.28490 2017 6 28 57932 0.1310 0.4710 0.28450 2017 6 29 57933 0.1329 0.4708 0.28401 2017 6 30 57934 0.1347 0.4706 0.28352 2017 7 1 57935 0.1366 0.4704 0.28302 2017 7 2 57936 0.1384 0.4701 0.28250 2017 7 3 57937 0.1402 0.4698 0.28200 2017 7 4 57938 0.1420 0.4694 0.28155 2017 7 5 57939 0.1438 0.4691 0.28122 2017 7 6 57940 0.1456 0.4687 0.28094 2017 7 7 57941 0.1474 0.4683 0.28083 2017 7 8 57942 0.1492 0.4678 0.28077 2017 7 9 57943 0.1510 0.4673 0.28076 2017 7 10 57944 0.1527 0.4668 0.28074 2017 7 11 57945 0.1545 0.4663 0.28068 2017 7 12 57946 0.1562 0.4657 0.28049 2017 7 13 57947 0.1579 0.4652 0.28017 2017 7 14 57948 0.1596 0.4646 0.27972 2017 7 15 57949 0.1613 0.4639 0.27922 2017 7 16 57950 0.1630 0.4633 0.27865 2017 7 17 57951 0.1646 0.4626 0.27801 2017 7 18 57952 0.1663 0.4619 0.27733 2017 7 19 57953 0.1679 0.4611 0.27667 2017 7 20 57954 0.1695 0.4604 0.27612 2017 7 21 57955 0.1711 0.4596 0.27563 2017 7 22 57956 0.1727 0.4588 0.27520 2017 7 23 57957 0.1742 0.4580 0.27470 2017 7 24 57958 0.1758 0.4571 0.27416 2017 7 25 57959 0.1773 0.4562 0.27354 2017 7 26 57960 0.1788 0.4553 0.27285 2017 7 27 57961 0.1803 0.4544 0.27212 2017 7 28 57962 0.1817 0.4535 0.27138 2017 7 29 57963 0.1832 0.4525 0.27071 2017 7 30 57964 0.1846 0.4515 0.27013 2017 7 31 57965 0.1860 0.4505 0.26959 2017 8 1 57966 0.1874 0.4495 0.26906 2017 8 2 57967 0.1888 0.4484 0.26860 2017 8 3 57968 0.1901 0.4474 0.26830 2017 8 4 57969 0.1914 0.4463 0.26815 2017 8 5 57970 0.1927 0.4452 0.26807 2017 8 6 57971 0.1940 0.4440 0.26788 2017 8 7 57972 0.1952 0.4429 0.26755 2017 8 8 57973 0.1964 0.4417 0.26716 2017 8 9 57974 0.1976 0.4405 0.26665 2017 8 10 57975 0.1988 0.4393 0.26603 2017 8 11 57976 0.2000 0.4381 0.26524 2017 8 12 57977 0.2011 0.4369 0.26441 2017 8 13 57978 0.2022 0.4356 0.26350 2017 8 14 57979 0.2033 0.4343 0.26259 2017 8 15 57980 0.2043 0.4330 0.26175 2017 8 16 57981 0.2054 0.4317 0.26108 2017 8 17 57982 0.2064 0.4304 0.26052 2017 8 18 57983 0.2073 0.4291 0.26002 2017 8 19 57984 0.2083 0.4277 0.25946 2017 8 20 57985 0.2092 0.4264 0.25878 2017 8 21 57986 0.2101 0.4250 0.25797 2017 8 22 57987 0.2109 0.4236 0.25701 2017 8 23 57988 0.2118 0.4222 0.25591 2017 8 24 57989 0.2126 0.4208 0.25473 2017 8 25 57990 0.2134 0.4194 0.25360 2017 8 26 57991 0.2141 0.4179 0.25253 2017 8 27 57992 0.2148 0.4165 0.25152 2017 8 28 57993 0.2155 0.4150 0.25055 2017 8 29 57994 0.2162 0.4136 0.24969 2017 8 30 57995 0.2168 0.4121 0.24889 2017 8 31 57996 0.2174 0.4106 0.24822 2017 9 1 57997 0.2180 0.4091 0.24759 These predictions are based on all announced leap seconds. IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 57571 -99.8 -13.2 57572 -100.2 -13.5 57573 -100.1 -13.5 57574 -99.8 -13.3 57575 -99.2 -13.1 57576 -98.8 -13.1 57577 -99.0 -13.2 57578 -99.6 -13.3 57579 -100.2 -13.4 57580 -100.6 -13.4 57581 -100.8 -13.4 57582 -101.0 -13.4 57583 -101.2 -13.3 57584 -101.4 -13.1 57585 -101.7 -12.9 57586 -102.0 -12.8 57587 -102.1 -12.9 57588 -102.0 -13.1 57589 -101.9 -13.2 57590 -101.9 -13.2 57591 -102.2 -13.1 57592 -102.5 -12.9 57593 -102.7 -12.9 57594 -102.7 -12.9 57595 -102.5 -12.9 57596 -102.5 -12.9 57597 -102.8 -12.9 57598 -103.4 -13.1 57599 -103.9 -13.3 57600 -104.2 -13.6 57601 -104.1 -13.6 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 57571 0.07 -0.14 57572 0.04 -0.17 57573 0.06 -0.19 57574 0.05 -0.17 57575 0.14 -0.11 57576 0.24 -0.08 57577 0.25 -0.04 57578 0.21 -0.04 57579 0.16 -0.10 57580 0.12 -0.10 57581 0.10 -0.09 57582 0.08 -0.10 57583 0.09 -0.10 57584 0.13 -0.10 57585 0.13 -0.12 57586 0.12 -0.14 57587 0.12 -0.18 57588 0.15 -0.22 57589 0.15 -0.19 57590 0.15 -0.20 57591 0.12 -0.22 57592 0.14 -0.13 57593 0.14 -0.15 57594 0.13 -0.12 57595 0.14 -0.12 57596 0.13 -0.16 57597 0.12 -0.14 57598 0.11 -0.18 57599 0.13 -0.09 57600 0.13 -0.16 57601 0.13 -0.11 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).