********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 30 May 2019 Vol. XXXII No. 022 ______________________________________________________________________ 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 02 May 2019 at 0000 UTC Beginning 1 January 2017: TAI-UTC = 37.000 000 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 be available by 20:00 UTC. * * * * Questions and enquiries can be emailed to the following address: * * usn.ncr.navobsydc.mbx.eopcp@mail.mil * * * * 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 19 5 24 58627 0.09911 .00009 0.42564 .00009 -0.166299 0.000008 19 5 25 58628 0.10063 .00009 0.42633 .00009 -0.166580 0.000009 19 5 26 58629 0.10191 .00009 0.42713 .00009 -0.166903 0.000010 19 5 27 58630 0.10280 .00009 0.42794 .00009 -0.167296 0.000006 19 5 28 58631 0.10349 .00009 0.42860 .00009 -0.167763 0.000008 19 5 29 58632 0.10428 .00009 0.42907 .00009 -0.168287 0.000008 19 5 30 58633 0.10527 .00009 0.42940 .00009 -0.168869 0.000007 _______________________________________________________________________ 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 = 0.1201 + 0.0075 cos A + 0.0832 sin A - 0.0265 cos C - 0.0085 sin C y = 0.3653 + 0.0747 cos A - 0.0107 sin A - 0.0085 cos C + 0.0265 sin C UT1-UTC = -0.1353 - 0.00064 (MJD - 58641) - (UT2-UT1) where A = 2*pi*(MJD-58633)/365.25 and C = 2*pi*(MJD-58633)/435. TAI-UTC(MJD 58634) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58633)**0.80 S t = 0.00025 (MJD-58633)**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) 2019 5 31 58634 0.1064 0.4296 -0.16954 2019 6 1 58635 0.1078 0.4298 -0.17022 2019 6 2 58636 0.1093 0.4300 -0.17081 2019 6 3 58637 0.1108 0.4303 -0.17126 2019 6 4 58638 0.1123 0.4305 -0.17159 2019 6 5 58639 0.1137 0.4308 -0.17179 2019 6 6 58640 0.1151 0.4309 -0.17193 2019 6 7 58641 0.1165 0.4311 -0.17210 2019 6 8 58642 0.1180 0.4311 -0.17238 2019 6 9 58643 0.1195 0.4311 -0.17281 2019 6 10 58644 0.1210 0.4311 -0.17341 2019 6 11 58645 0.1226 0.4311 -0.17412 2019 6 12 58646 0.1242 0.4311 -0.17483 2019 6 13 58647 0.1257 0.4311 -0.17548 2019 6 14 58648 0.1273 0.4311 -0.17601 2019 6 15 58649 0.1288 0.4310 -0.17636 2019 6 16 58650 0.1304 0.4309 -0.17649 2019 6 17 58651 0.1319 0.4308 -0.17643 2019 6 18 58652 0.1335 0.4306 -0.17623 2019 6 19 58653 0.1350 0.4304 -0.17593 2019 6 20 58654 0.1366 0.4302 -0.17560 2019 6 21 58655 0.1382 0.4300 -0.17528 2019 6 22 58656 0.1397 0.4297 -0.17501 2019 6 23 58657 0.1412 0.4295 -0.17484 2019 6 24 58658 0.1428 0.4292 -0.17474 2019 6 25 58659 0.1443 0.4288 -0.17472 2019 6 26 58660 0.1458 0.4285 -0.17477 2019 6 27 58661 0.1473 0.4281 -0.17484 2019 6 28 58662 0.1488 0.4277 -0.17490 2019 6 29 58663 0.1502 0.4273 -0.17489 2019 6 30 58664 0.1517 0.4268 -0.17477 2019 7 1 58665 0.1532 0.4264 -0.17451 2019 7 2 58666 0.1546 0.4259 -0.17412 2019 7 3 58667 0.1561 0.4254 -0.17366 2019 7 4 58668 0.1575 0.4248 -0.17321 2019 7 5 58669 0.1589 0.4243 -0.17286 2019 7 6 58670 0.1603 0.4237 -0.17268 2019 7 7 58671 0.1617 0.4230 -0.17268 2019 7 8 58672 0.1631 0.4224 -0.17282 2019 7 9 58673 0.1645 0.4217 -0.17303 2019 7 10 58674 0.1658 0.4211 -0.17320 2019 7 11 58675 0.1671 0.4204 -0.17326 2019 7 12 58676 0.1685 0.4196 -0.17316 2019 7 13 58677 0.1698 0.4189 -0.17286 2019 7 14 58678 0.1711 0.4181 -0.17239 2019 7 15 58679 0.1723 0.4173 -0.17178 2019 7 16 58680 0.1736 0.4165 -0.17108 2019 7 17 58681 0.1748 0.4157 -0.17035 2019 7 18 58682 0.1761 0.4148 -0.16964 2019 7 19 58683 0.1773 0.4139 -0.16899 2019 7 20 58684 0.1785 0.4130 -0.16844 2019 7 21 58685 0.1796 0.4121 -0.16800 2019 7 22 58686 0.1808 0.4112 -0.16766 2019 7 23 58687 0.1819 0.4102 -0.16740 2019 7 24 58688 0.1830 0.4092 -0.16719 2019 7 25 58689 0.1841 0.4082 -0.16699 2019 7 26 58690 0.1852 0.4072 -0.16676 2019 7 27 58691 0.1862 0.4062 -0.16647 2019 7 28 58692 0.1873 0.4052 -0.16609 2019 7 29 58693 0.1883 0.4041 -0.16562 2019 7 30 58694 0.1893 0.4030 -0.16508 2019 7 31 58695 0.1902 0.4019 -0.16456 2019 8 1 58696 0.1912 0.4008 -0.16415 2019 8 2 58697 0.1921 0.3997 -0.16393 2019 8 3 58698 0.1930 0.3985 -0.16395 2019 8 4 58699 0.1939 0.3973 -0.16417 2019 8 5 58700 0.1947 0.3962 -0.16452 2019 8 6 58701 0.1956 0.3950 -0.16487 2019 8 7 58702 0.1964 0.3938 -0.16514 2019 8 8 58703 0.1972 0.3925 -0.16525 2019 8 9 58704 0.1979 0.3913 -0.16516 2019 8 10 58705 0.1987 0.3901 -0.16491 2019 8 11 58706 0.1994 0.3888 -0.16452 2019 8 12 58707 0.2000 0.3875 -0.16405 2019 8 13 58708 0.2007 0.3863 -0.16357 2019 8 14 58709 0.2013 0.3850 -0.16312 2019 8 15 58710 0.2019 0.3837 -0.16274 2019 8 16 58711 0.2025 0.3823 -0.16248 2019 8 17 58712 0.2031 0.3810 -0.16235 2019 8 18 58713 0.2036 0.3797 -0.16233 2019 8 19 58714 0.2041 0.3783 -0.16242 2019 8 20 58715 0.2046 0.3770 -0.16258 2019 8 21 58716 0.2050 0.3756 -0.16276 2019 8 22 58717 0.2055 0.3742 -0.16294 2019 8 23 58718 0.2059 0.3729 -0.16307 2019 8 24 58719 0.2062 0.3715 -0.16313 2019 8 25 58720 0.2066 0.3701 -0.16312 2019 8 26 58721 0.2069 0.3687 -0.16304 2019 8 27 58722 0.2072 0.3673 -0.16296 2019 8 28 58723 0.2074 0.3659 -0.16295 2019 8 29 58724 0.2076 0.3644 -0.16311 2019 8 30 58725 0.2079 0.3630 -0.16351 2019 8 31 58726 0.2080 0.3616 -0.16416 2019 9 1 58727 0.2082 0.3602 -0.16501 2019 9 2 58728 0.2083 0.3587 -0.16593 2019 9 3 58729 0.2084 0.3573 -0.16679 2019 9 4 58730 0.2084 0.3559 -0.16750 2019 9 5 58731 0.2085 0.3544 -0.16800 2019 9 6 58732 0.2085 0.3530 -0.16830 2019 9 7 58733 0.2085 0.3515 -0.16843 2019 9 8 58734 0.2084 0.3501 -0.16845 2019 9 9 58735 0.2083 0.3487 -0.16843 2019 9 10 58736 0.2082 0.3472 -0.16843 2019 9 11 58737 0.2081 0.3458 -0.16851 2019 9 12 58738 0.2079 0.3443 -0.16870 2019 9 13 58739 0.2077 0.3429 -0.16902 2019 9 14 58740 0.2075 0.3415 -0.16946 2019 9 15 58741 0.2072 0.3400 -0.17003 2019 9 16 58742 0.2070 0.3386 -0.17065 2019 9 17 58743 0.2067 0.3372 -0.17130 2019 9 18 58744 0.2063 0.3358 -0.17195 2019 9 19 58745 0.2060 0.3344 -0.17255 2019 9 20 58746 0.2056 0.3329 -0.17307 2019 9 21 58747 0.2052 0.3315 -0.17351 2019 9 22 58748 0.2047 0.3301 -0.17387 2019 9 23 58749 0.2043 0.3287 -0.17421 2019 9 24 58750 0.2038 0.3274 -0.17458 2019 9 25 58751 0.2032 0.3260 -0.17509 2019 9 26 58752 0.2027 0.3246 -0.17582 2019 9 27 58753 0.2021 0.3232 -0.17681 2019 9 28 58754 0.2015 0.3219 -0.17804 2019 9 29 58755 0.2009 0.3205 -0.17943 2019 9 30 58756 0.2002 0.3192 -0.18084 2019 10 1 58757 0.1995 0.3179 -0.18214 2019 10 2 58758 0.1988 0.3166 -0.18324 2019 10 3 58759 0.1981 0.3153 -0.18411 2019 10 4 58760 0.1973 0.3140 -0.18476 2019 10 5 58761 0.1965 0.3127 -0.18527 2019 10 6 58762 0.1957 0.3114 -0.18570 2019 10 7 58763 0.1949 0.3102 -0.18612 2019 10 8 58764 0.1940 0.3089 -0.18660 2019 10 9 58765 0.1931 0.3077 -0.18716 2019 10 10 58766 0.1922 0.3065 -0.18784 2019 10 11 58767 0.1913 0.3053 -0.18864 2019 10 12 58768 0.1903 0.3041 -0.18955 2019 10 13 58769 0.1894 0.3029 -0.19055 2019 10 14 58770 0.1884 0.3017 -0.19158 2019 10 15 58771 0.1873 0.3006 -0.19261 2019 10 16 58772 0.1863 0.2995 -0.19358 2019 10 17 58773 0.1852 0.2983 -0.19446 2019 10 18 58774 0.1841 0.2973 -0.19523 2019 10 19 58775 0.1830 0.2962 -0.19590 2019 10 20 58776 0.1819 0.2951 -0.19652 2019 10 21 58777 0.1807 0.2941 -0.19713 2019 10 22 58778 0.1796 0.2930 -0.19782 2019 10 23 58779 0.1784 0.2920 -0.19868 2019 10 24 58780 0.1772 0.2911 -0.19977 2019 10 25 58781 0.1759 0.2901 -0.20110 2019 10 26 58782 0.1747 0.2891 -0.20263 2019 10 27 58783 0.1734 0.2882 -0.20425 2019 10 28 58784 0.1721 0.2873 -0.20584 2019 10 29 58785 0.1708 0.2864 -0.20726 2019 10 30 58786 0.1695 0.2855 -0.20846 2019 10 31 58787 0.1682 0.2847 -0.20942 2019 11 1 58788 0.1668 0.2839 -0.21019 2019 11 2 58789 0.1655 0.2831 -0.21083 2019 11 3 58790 0.1641 0.2823 -0.21142 2019 11 4 58791 0.1627 0.2815 -0.21203 2019 11 5 58792 0.1613 0.2808 -0.21271 2019 11 6 58793 0.1598 0.2800 -0.21349 2019 11 7 58794 0.1584 0.2794 -0.21438 2019 11 8 58795 0.1569 0.2787 -0.21537 2019 11 9 58796 0.1555 0.2780 -0.21644 2019 11 10 58797 0.1540 0.2774 -0.21756 2019 11 11 58798 0.1525 0.2768 -0.21868 2019 11 12 58799 0.1510 0.2762 -0.21975 2019 11 13 58800 0.1495 0.2757 -0.22072 2019 11 14 58801 0.1479 0.2751 -0.22157 2019 11 15 58802 0.1464 0.2746 -0.22230 2019 11 16 58803 0.1448 0.2742 -0.22293 2019 11 17 58804 0.1433 0.2737 -0.22353 2019 11 18 58805 0.1417 0.2733 -0.22416 2019 11 19 58806 0.1402 0.2729 -0.22492 2019 11 20 58807 0.1386 0.2725 -0.22587 2019 11 21 58808 0.1370 0.2721 -0.22702 2019 11 22 58809 0.1354 0.2718 -0.22837 2019 11 23 58810 0.1338 0.2715 -0.22983 2019 11 24 58811 0.1322 0.2712 -0.23132 2019 11 25 58812 0.1306 0.2710 -0.23270 2019 11 26 58813 0.1289 0.2707 -0.23389 2019 11 27 58814 0.1273 0.2705 -0.23487 2019 11 28 58815 0.1257 0.2704 -0.23563 2019 11 29 58816 0.1241 0.2702 -0.23625 2019 11 30 58817 0.1224 0.2701 -0.23679 2019 12 1 58818 0.1208 0.2700 -0.23734 2019 12 2 58819 0.1192 0.2699 -0.23794 2019 12 3 58820 0.1175 0.2699 -0.23864 2019 12 4 58821 0.1159 0.2699 -0.23945 2019 12 5 58822 0.1142 0.2699 -0.24038 2019 12 6 58823 0.1126 0.2699 -0.24139 2019 12 7 58824 0.1110 0.2700 -0.24245 2019 12 8 58825 0.1093 0.2701 -0.24350 2019 12 9 58826 0.1077 0.2702 -0.24448 2019 12 10 58827 0.1061 0.2703 -0.24536 2019 12 11 58828 0.1044 0.2705 -0.24610 2019 12 12 58829 0.1028 0.2707 -0.24670 2019 12 13 58830 0.1012 0.2709 -0.24717 2019 12 14 58831 0.0996 0.2712 -0.24758 2019 12 15 58832 0.0979 0.2715 -0.24801 2019 12 16 58833 0.0963 0.2718 -0.24856 2019 12 17 58834 0.0947 0.2721 -0.24929 2019 12 18 58835 0.0931 0.2725 -0.25023 2019 12 19 58836 0.0915 0.2728 -0.25138 2019 12 20 58837 0.0900 0.2732 -0.25267 2019 12 21 58838 0.0884 0.2737 -0.25402 2019 12 22 58839 0.0868 0.2741 -0.25532 2019 12 23 58840 0.0853 0.2746 -0.25648 2019 12 24 58841 0.0837 0.2751 -0.25743 2019 12 25 58842 0.0822 0.2757 -0.25817 2019 12 26 58843 0.0806 0.2762 -0.25872 2019 12 27 58844 0.0791 0.2768 -0.25915 2019 12 28 58845 0.0776 0.2774 -0.25953 2019 12 29 58846 0.0761 0.2781 -0.25993 2019 12 30 58847 0.0746 0.2787 -0.26040 2019 12 31 58848 0.0732 0.2794 -0.26096 2020 1 1 58849 0.0717 0.2801 -0.26160 2020 1 2 58850 0.0703 0.2808 -0.26229 2020 1 3 58851 0.0688 0.2816 -0.26300 2020 1 4 58852 0.0674 0.2824 -0.26368 2020 1 5 58853 0.0660 0.2832 -0.26431 2020 1 6 58854 0.0646 0.2840 -0.26485 2020 1 7 58855 0.0633 0.2849 -0.26529 2020 1 8 58856 0.0619 0.2857 -0.26561 2020 1 9 58857 0.0606 0.2866 -0.26589 2020 1 10 58858 0.0592 0.2875 -0.26617 2020 1 11 58859 0.0579 0.2885 -0.26650 2020 1 12 58860 0.0567 0.2894 -0.26692 2020 1 13 58861 0.0554 0.2904 -0.26754 2020 1 14 58862 0.0541 0.2914 -0.26841 2020 1 15 58863 0.0529 0.2924 -0.26950 2020 1 16 58864 0.0517 0.2935 -0.27073 2020 1 17 58865 0.0505 0.2945 -0.27198 2020 1 18 58866 0.0493 0.2956 -0.27314 2020 1 19 58867 0.0482 0.2967 -0.27414 2020 1 20 58868 0.0471 0.2979 -0.27489 2020 1 21 58869 0.0460 0.2990 -0.27541 2020 1 22 58870 0.0449 0.3002 -0.27572 2020 1 23 58871 0.0438 0.3013 -0.27587 2020 1 24 58872 0.0428 0.3025 -0.27598 2020 1 25 58873 0.0418 0.3038 -0.27614 2020 1 26 58874 0.0408 0.3050 -0.27637 2020 1 27 58875 0.0398 0.3062 -0.27671 2020 1 28 58876 0.0388 0.3075 -0.27721 2020 1 29 58877 0.0379 0.3088 -0.27790 2020 1 30 58878 0.0370 0.3101 -0.27867 2020 1 31 58879 0.0362 0.3114 -0.27950 2020 2 1 58880 0.0353 0.3127 -0.28036 2020 2 2 58881 0.0345 0.3141 -0.28118 2020 2 3 58882 0.0337 0.3154 -0.28194 2020 2 4 58883 0.0329 0.3168 -0.28265 2020 2 5 58884 0.0322 0.3182 -0.28324 2020 2 6 58885 0.0315 0.3196 -0.28378 2020 2 7 58886 0.0308 0.3210 -0.28433 2020 2 8 58887 0.0301 0.3224 -0.28489 2020 2 9 58888 0.0295 0.3238 -0.28560 2020 2 10 58889 0.0288 0.3253 -0.28656 2020 2 11 58890 0.0283 0.3267 -0.28779 2020 2 12 58891 0.0277 0.3282 -0.28920 2020 2 13 58892 0.0272 0.3297 -0.29067 2020 2 14 58893 0.0267 0.3311 -0.29209 2020 2 15 58894 0.0262 0.3326 -0.29333 2020 2 16 58895 0.0258 0.3341 -0.29431 2020 2 17 58896 0.0254 0.3357 -0.29512 2020 2 18 58897 0.0250 0.3372 -0.29574 2020 2 19 58898 0.0246 0.3387 -0.29618 2020 2 20 58899 0.0243 0.3402 -0.29655 2020 2 21 58900 0.0240 0.3418 -0.29695 2020 2 22 58901 0.0237 0.3433 -0.29741 2020 2 23 58902 0.0235 0.3449 -0.29792 2020 2 24 58903 0.0233 0.3464 -0.29858 2020 2 25 58904 0.0231 0.3480 -0.29939 2020 2 26 58905 0.0229 0.3495 -0.30025 2020 2 27 58906 0.0228 0.3511 -0.30121 2020 2 28 58907 0.0227 0.3527 -0.30220 2020 2 29 58908 0.0227 0.3542 -0.30319 2020 3 1 58909 0.0226 0.3558 -0.30417 2020 3 2 58910 0.0226 0.3574 -0.30509 2020 3 3 58911 0.0227 0.3590 -0.30591 2020 3 4 58912 0.0227 0.3605 -0.30660 2020 3 5 58913 0.0228 0.3621 -0.30720 2020 3 6 58914 0.0229 0.3637 -0.30783 2020 3 7 58915 0.0231 0.3653 -0.30859 2020 3 8 58916 0.0233 0.3669 -0.30956 2020 3 9 58917 0.0235 0.3684 -0.31079 2020 3 10 58918 0.0237 0.3700 -0.31228 2020 3 11 58919 0.0240 0.3716 -0.31394 2020 3 12 58920 0.0243 0.3731 -0.31565 2020 3 13 58921 0.0246 0.3747 -0.31729 2020 3 14 58922 0.0250 0.3763 -0.31869 2020 3 15 58923 0.0253 0.3778 -0.31983 2020 3 16 58924 0.0258 0.3794 -0.32083 2020 3 17 58925 0.0262 0.3809 -0.32174 2020 3 18 58926 0.0267 0.3824 -0.32253 2020 3 19 58927 0.0272 0.3840 -0.32326 2020 3 20 58928 0.0277 0.3855 -0.32406 2020 3 21 58929 0.0283 0.3870 -0.32507 2020 3 22 58930 0.0289 0.3885 -0.32619 2020 3 23 58931 0.0295 0.3900 -0.32744 2020 3 24 58932 0.0301 0.3915 -0.32879 2020 3 25 58933 0.0308 0.3930 -0.33017 2020 3 26 58934 0.0315 0.3944 -0.33155 2020 3 27 58935 0.0323 0.3959 -0.33293 2020 3 28 58936 0.0330 0.3973 -0.33423 2020 3 29 58937 0.0338 0.3988 -0.33544 2020 3 30 58938 0.0346 0.4002 -0.33652 2020 3 31 58939 0.0355 0.4016 -0.33755 2020 4 1 58940 0.0363 0.4030 -0.33859 2020 4 2 58941 0.0372 0.4044 -0.33963 2020 4 3 58942 0.0382 0.4058 -0.34072 2020 4 4 58943 0.0391 0.4072 -0.34196 2020 4 5 58944 0.0401 0.4085 -0.34341 2020 4 6 58945 0.0411 0.4098 -0.34514 2020 4 7 58946 0.0421 0.4111 -0.34710 2020 4 8 58947 0.0432 0.4124 -0.34916 2020 4 9 58948 0.0442 0.4137 -0.35118 2020 4 10 58949 0.0453 0.4150 -0.35305 2020 4 11 58950 0.0465 0.4163 -0.35469 2020 4 12 58951 0.0476 0.4175 -0.35605 2020 4 13 58952 0.0488 0.4187 -0.35719 2020 4 14 58953 0.0500 0.4199 -0.35821 2020 4 15 58954 0.0512 0.4211 -0.35924 2020 4 16 58955 0.0525 0.4222 -0.36036 2020 4 17 58956 0.0537 0.4234 -0.36161 2020 4 18 58957 0.0550 0.4245 -0.36297 2020 4 19 58958 0.0563 0.4256 -0.36439 2020 4 20 58959 0.0576 0.4267 -0.36588 2020 4 21 58960 0.0590 0.4278 -0.36737 2020 4 22 58961 0.0604 0.4288 -0.36884 2020 4 23 58962 0.0617 0.4298 -0.37027 2020 4 24 58963 0.0632 0.4308 -0.37164 2020 4 25 58964 0.0646 0.4318 -0.37292 2020 4 26 58965 0.0660 0.4328 -0.37407 2020 4 27 58966 0.0675 0.4337 -0.37505 2020 4 28 58967 0.0690 0.4346 -0.37589 2020 4 29 58968 0.0705 0.4355 -0.37663 2020 4 30 58969 0.0720 0.4364 -0.37737 2020 5 1 58970 0.0735 0.4372 -0.37823 2020 5 2 58971 0.0751 0.4380 -0.37929 2020 5 3 58972 0.0766 0.4388 -0.38065 2020 5 4 58973 0.0782 0.4396 -0.38222 2020 5 5 58974 0.0798 0.4403 -0.38387 2020 5 6 58975 0.0814 0.4410 -0.38548 2020 5 7 58976 0.0830 0.4417 -0.38689 2020 5 8 58977 0.0847 0.4424 -0.38802 2020 5 9 58978 0.0863 0.4430 -0.38881 2020 5 10 58979 0.0880 0.4436 -0.38926 2020 5 11 58980 0.0897 0.4442 -0.38952 2020 5 12 58981 0.0914 0.4448 -0.38968 2020 5 13 58982 0.0931 0.4453 -0.38984 2020 5 14 58983 0.0948 0.4458 -0.39009 2020 5 15 58984 0.0965 0.4463 -0.39044 2020 5 16 58985 0.0982 0.4468 -0.39091 2020 5 17 58986 0.0999 0.4472 -0.39136 2020 5 18 58987 0.1017 0.4476 -0.39185 2020 5 19 58988 0.1034 0.4480 -0.39238 2020 5 20 58989 0.1052 0.4483 -0.39288 2020 5 21 58990 0.1070 0.4486 -0.39338 2020 5 22 58991 0.1087 0.4489 -0.39381 2020 5 23 58992 0.1105 0.4492 -0.39417 2020 5 24 58993 0.1123 0.4494 -0.39444 2020 5 25 58994 0.1141 0.4496 -0.39463 2020 5 26 58995 0.1159 0.4498 -0.39474 2020 5 27 58996 0.1177 0.4499 -0.39485 2020 5 28 58997 0.1194 0.4501 -0.39509 2020 5 29 58998 0.1212 0.4501 -0.39550 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) 58607 -104.38 0.18 -10.98 0.23 58608 -104.41 0.18 -11.21 0.23 58609 -104.36 0.20 -11.49 0.23 58610 -104.35 0.23 -11.67 0.24 58611 -104.48 0.23 -11.70 0.20 58612 -104.72 0.23 -11.66 0.20 58613 -104.83 0.23 -11.65 0.20 58614 -104.60 0.23 -11.68 0.20 58615 -104.02 0.28 -11.70 0.19 58616 -103.41 0.28 -11.59 0.19 58617 -103.14 0.35 -11.39 0.23 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58607 0.090 0.070 -0.227 0.226 58608 0.091 0.070 -0.225 0.226 58609 0.091 0.080 -0.223 0.234 58610 0.092 0.091 -0.221 0.243 58611 0.093 0.091 -0.218 0.203 58612 0.095 0.091 -0.215 0.203 58613 0.099 0.091 -0.213 0.203 58614 0.104 0.091 -0.212 0.203 58615 0.112 0.111 -0.212 0.195 58616 0.120 0.111 -0.213 0.195 58617 0.128 0.140 -0.215 0.226 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).