********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 20 June 2019 Vol. XXXII 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 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 6 14 58648 0.13667 .00009 0.42919 .00009 -0.175013 0.000018 19 6 15 58649 0.13864 .00009 0.42897 .00009 -0.175361 0.000016 19 6 16 58650 0.14025 .00009 0.42862 .00009 -0.175462 0.000017 19 6 17 58651 0.14176 .00009 0.42811 .00009 -0.175392 0.000012 19 6 18 58652 0.14325 .00009 0.42751 .00009 -0.175231 0.000011 19 6 19 58653 0.14458 .00009 0.42685 .00009 -0.174996 0.000006 19 6 20 58654 0.14581 .00009 0.42624 .00009 -0.174756 0.000005 _______________________________________________________________________ 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 = 0.1335 + 0.0318 cos A + 0.0789 sin A - 0.0207 cos C - 0.0005 sin C y = 0.3608 + 0.0709 cos A - 0.0304 sin A - 0.0005 cos C + 0.0207 sin C UT1-UTC = -0.1507 - 0.00063 (MJD - 58662) - (UT2-UT1) where A = 2*pi*(MJD-58654)/365.25 and C = 2*pi*(MJD-58654)/435. TAI-UTC(MJD 58655) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58654)**0.80 S t = 0.00025 (MJD-58654)**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 6 21 58655 0.1471 0.4256 -0.17457 2019 6 22 58656 0.1485 0.4251 -0.17446 2019 6 23 58657 0.1499 0.4246 -0.17441 2019 6 24 58658 0.1513 0.4241 -0.17443 2019 6 25 58659 0.1527 0.4236 -0.17450 2019 6 26 58660 0.1541 0.4231 -0.17460 2019 6 27 58661 0.1555 0.4225 -0.17471 2019 6 28 58662 0.1568 0.4219 -0.17481 2019 6 29 58663 0.1582 0.4214 -0.17486 2019 6 30 58664 0.1595 0.4207 -0.17483 2019 7 1 58665 0.1609 0.4201 -0.17472 2019 7 2 58666 0.1622 0.4195 -0.17454 2019 7 3 58667 0.1635 0.4188 -0.17430 2019 7 4 58668 0.1648 0.4181 -0.17407 2019 7 5 58669 0.1661 0.4175 -0.17392 2019 7 6 58670 0.1674 0.4168 -0.17394 2019 7 7 58671 0.1686 0.4161 -0.17412 2019 7 8 58672 0.1699 0.4153 -0.17441 2019 7 9 58673 0.1711 0.4146 -0.17476 2019 7 10 58674 0.1723 0.4138 -0.17509 2019 7 11 58675 0.1735 0.4130 -0.17529 2019 7 12 58676 0.1747 0.4122 -0.17533 2019 7 13 58677 0.1759 0.4114 -0.17518 2019 7 14 58678 0.1770 0.4105 -0.17484 2019 7 15 58679 0.1781 0.4097 -0.17436 2019 7 16 58680 0.1793 0.4088 -0.17380 2019 7 17 58681 0.1803 0.4079 -0.17321 2019 7 18 58682 0.1814 0.4070 -0.17264 2019 7 19 58683 0.1825 0.4060 -0.17214 2019 7 20 58684 0.1835 0.4051 -0.17174 2019 7 21 58685 0.1845 0.4041 -0.17145 2019 7 22 58686 0.1855 0.4031 -0.17126 2019 7 23 58687 0.1865 0.4021 -0.17115 2019 7 24 58688 0.1874 0.4011 -0.17108 2019 7 25 58689 0.1884 0.4001 -0.17103 2019 7 26 58690 0.1893 0.3990 -0.17093 2019 7 27 58691 0.1902 0.3979 -0.17077 2019 7 28 58692 0.1911 0.3969 -0.17052 2019 7 29 58693 0.1919 0.3958 -0.17016 2019 7 30 58694 0.1927 0.3946 -0.16973 2019 7 31 58695 0.1935 0.3935 -0.16931 2019 8 1 58696 0.1943 0.3924 -0.16896 2019 8 2 58697 0.1951 0.3912 -0.16879 2019 8 3 58698 0.1958 0.3901 -0.16883 2019 8 4 58699 0.1965 0.3889 -0.16906 2019 8 5 58700 0.1972 0.3877 -0.16940 2019 8 6 58701 0.1979 0.3865 -0.16973 2019 8 7 58702 0.1985 0.3853 -0.16997 2019 8 8 58703 0.1991 0.3840 -0.17004 2019 8 9 58704 0.1997 0.3828 -0.16991 2019 8 10 58705 0.2003 0.3816 -0.16961 2019 8 11 58706 0.2008 0.3803 -0.16917 2019 8 12 58707 0.2013 0.3790 -0.16865 2019 8 13 58708 0.2018 0.3778 -0.16810 2019 8 14 58709 0.2023 0.3765 -0.16757 2019 8 15 58710 0.2027 0.3752 -0.16712 2019 8 16 58711 0.2031 0.3739 -0.16677 2019 8 17 58712 0.2035 0.3726 -0.16655 2019 8 18 58713 0.2038 0.3712 -0.16644 2019 8 19 58714 0.2042 0.3699 -0.16643 2019 8 20 58715 0.2045 0.3686 -0.16649 2019 8 21 58716 0.2048 0.3673 -0.16657 2019 8 22 58717 0.2050 0.3659 -0.16664 2019 8 23 58718 0.2052 0.3646 -0.16666 2019 8 24 58719 0.2054 0.3632 -0.16661 2019 8 25 58720 0.2056 0.3619 -0.16647 2019 8 26 58721 0.2057 0.3605 -0.16627 2019 8 27 58722 0.2059 0.3591 -0.16605 2019 8 28 58723 0.2060 0.3578 -0.16592 2019 8 29 58724 0.2060 0.3564 -0.16596 2019 8 30 58725 0.2061 0.3550 -0.16624 2019 8 31 58726 0.2061 0.3537 -0.16677 2019 9 1 58727 0.2060 0.3523 -0.16751 2019 9 2 58728 0.2060 0.3509 -0.16833 2019 9 3 58729 0.2059 0.3495 -0.16910 2019 9 4 58730 0.2058 0.3482 -0.16973 2019 9 5 58731 0.2057 0.3468 -0.17016 2019 9 6 58732 0.2055 0.3454 -0.17039 2019 9 7 58733 0.2053 0.3440 -0.17046 2019 9 8 58734 0.2051 0.3427 -0.17044 2019 9 9 58735 0.2049 0.3413 -0.17038 2019 9 10 58736 0.2046 0.3399 -0.17035 2019 9 11 58737 0.2043 0.3386 -0.17039 2019 9 12 58738 0.2040 0.3372 -0.17055 2019 9 13 58739 0.2037 0.3359 -0.17083 2019 9 14 58740 0.2033 0.3345 -0.17126 2019 9 15 58741 0.2029 0.3332 -0.17179 2019 9 16 58742 0.2025 0.3318 -0.17241 2019 9 17 58743 0.2020 0.3305 -0.17307 2019 9 18 58744 0.2015 0.3292 -0.17373 2019 9 19 58745 0.2010 0.3278 -0.17434 2019 9 20 58746 0.2005 0.3265 -0.17487 2019 9 21 58747 0.1999 0.3252 -0.17531 2019 9 22 58748 0.1993 0.3239 -0.17568 2019 9 23 58749 0.1987 0.3226 -0.17603 2019 9 24 58750 0.1981 0.3214 -0.17642 2019 9 25 58751 0.1974 0.3201 -0.17694 2019 9 26 58752 0.1967 0.3188 -0.17768 2019 9 27 58753 0.1960 0.3176 -0.17869 2019 9 28 58754 0.1953 0.3163 -0.17994 2019 9 29 58755 0.1945 0.3151 -0.18134 2019 9 30 58756 0.1937 0.3139 -0.18277 2019 10 1 58757 0.1929 0.3127 -0.18408 2019 10 2 58758 0.1921 0.3115 -0.18519 2019 10 3 58759 0.1912 0.3103 -0.18607 2019 10 4 58760 0.1904 0.3091 -0.18674 2019 10 5 58761 0.1895 0.3079 -0.18726 2019 10 6 58762 0.1885 0.3068 -0.18770 2019 10 7 58763 0.1876 0.3057 -0.18813 2019 10 8 58764 0.1866 0.3045 -0.18860 2019 10 9 58765 0.1856 0.3034 -0.18917 2019 10 10 58766 0.1846 0.3023 -0.18985 2019 10 11 58767 0.1836 0.3013 -0.19065 2019 10 12 58768 0.1825 0.3002 -0.19156 2019 10 13 58769 0.1814 0.2992 -0.19255 2019 10 14 58770 0.1803 0.2981 -0.19358 2019 10 15 58771 0.1792 0.2971 -0.19461 2019 10 16 58772 0.1781 0.2961 -0.19558 2019 10 17 58773 0.1769 0.2952 -0.19645 2019 10 18 58774 0.1757 0.2942 -0.19722 2019 10 19 58775 0.1745 0.2933 -0.19790 2019 10 20 58776 0.1733 0.2923 -0.19851 2019 10 21 58777 0.1721 0.2914 -0.19912 2019 10 22 58778 0.1708 0.2906 -0.19982 2019 10 23 58779 0.1696 0.2897 -0.20068 2019 10 24 58780 0.1683 0.2888 -0.20177 2019 10 25 58781 0.1670 0.2880 -0.20311 2019 10 26 58782 0.1656 0.2872 -0.20464 2019 10 27 58783 0.1643 0.2864 -0.20627 2019 10 28 58784 0.1630 0.2857 -0.20785 2019 10 29 58785 0.1616 0.2849 -0.20928 2019 10 30 58786 0.1602 0.2842 -0.21048 2019 10 31 58787 0.1588 0.2835 -0.21144 2019 11 1 58788 0.1574 0.2828 -0.21221 2019 11 2 58789 0.1560 0.2822 -0.21285 2019 11 3 58790 0.1545 0.2815 -0.21344 2019 11 4 58791 0.1531 0.2809 -0.21405 2019 11 5 58792 0.1516 0.2803 -0.21472 2019 11 6 58793 0.1502 0.2798 -0.21549 2019 11 7 58794 0.1487 0.2792 -0.21637 2019 11 8 58795 0.1472 0.2787 -0.21735 2019 11 9 58796 0.1457 0.2782 -0.21841 2019 11 10 58797 0.1442 0.2777 -0.21951 2019 11 11 58798 0.1426 0.2773 -0.22062 2019 11 12 58799 0.1411 0.2768 -0.22167 2019 11 13 58800 0.1396 0.2764 -0.22263 2019 11 14 58801 0.1380 0.2761 -0.22346 2019 11 15 58802 0.1365 0.2757 -0.22417 2019 11 16 58803 0.1349 0.2754 -0.22479 2019 11 17 58804 0.1333 0.2751 -0.22537 2019 11 18 58805 0.1318 0.2748 -0.22599 2019 11 19 58806 0.1302 0.2745 -0.22673 2019 11 20 58807 0.1286 0.2743 -0.22766 2019 11 21 58808 0.1270 0.2741 -0.22879 2019 11 22 58809 0.1254 0.2739 -0.23011 2019 11 23 58810 0.1238 0.2738 -0.23156 2019 11 24 58811 0.1222 0.2736 -0.23301 2019 11 25 58812 0.1206 0.2735 -0.23436 2019 11 26 58813 0.1190 0.2734 -0.23552 2019 11 27 58814 0.1174 0.2734 -0.23644 2019 11 28 58815 0.1158 0.2734 -0.23715 2019 11 29 58816 0.1141 0.2734 -0.23770 2019 11 30 58817 0.1125 0.2734 -0.23816 2019 12 1 58818 0.1109 0.2734 -0.23861 2019 12 2 58819 0.1093 0.2735 -0.23910 2019 12 3 58820 0.1077 0.2736 -0.23967 2019 12 4 58821 0.1061 0.2737 -0.24035 2019 12 5 58822 0.1045 0.2739 -0.24112 2019 12 6 58823 0.1029 0.2741 -0.24198 2019 12 7 58824 0.1013 0.2743 -0.24289 2019 12 8 58825 0.0997 0.2745 -0.24381 2019 12 9 58826 0.0981 0.2747 -0.24470 2019 12 10 58827 0.0965 0.2750 -0.24551 2019 12 11 58828 0.0949 0.2753 -0.24621 2019 12 12 58829 0.0934 0.2757 -0.24679 2019 12 13 58830 0.0918 0.2760 -0.24725 2019 12 14 58831 0.0902 0.2764 -0.24766 2019 12 15 58832 0.0887 0.2768 -0.24808 2019 12 16 58833 0.0871 0.2772 -0.24861 2019 12 17 58834 0.0856 0.2777 -0.24930 2019 12 18 58835 0.0841 0.2782 -0.25019 2019 12 19 58836 0.0825 0.2787 -0.25126 2019 12 20 58837 0.0810 0.2792 -0.25245 2019 12 21 58838 0.0795 0.2798 -0.25367 2019 12 22 58839 0.0780 0.2803 -0.25482 2019 12 23 58840 0.0765 0.2809 -0.25583 2019 12 24 58841 0.0751 0.2816 -0.25665 2019 12 25 58842 0.0736 0.2822 -0.25728 2019 12 26 58843 0.0722 0.2829 -0.25776 2019 12 27 58844 0.0707 0.2836 -0.25817 2019 12 28 58845 0.0693 0.2843 -0.25856 2019 12 29 58846 0.0679 0.2851 -0.25900 2019 12 30 58847 0.0665 0.2858 -0.25951 2019 12 31 58848 0.0651 0.2866 -0.26011 2020 1 1 58849 0.0638 0.2874 -0.26080 2020 1 2 58850 0.0624 0.2883 -0.26156 2020 1 3 58851 0.0611 0.2891 -0.26235 2020 1 4 58852 0.0598 0.2900 -0.26314 2020 1 5 58853 0.0585 0.2909 -0.26390 2020 1 6 58854 0.0572 0.2918 -0.26458 2020 1 7 58855 0.0560 0.2928 -0.26517 2020 1 8 58856 0.0547 0.2937 -0.26564 2020 1 9 58857 0.0535 0.2947 -0.26600 2020 1 10 58858 0.0523 0.2957 -0.26629 2020 1 11 58859 0.0511 0.2968 -0.26659 2020 1 12 58860 0.0499 0.2978 -0.26699 2020 1 13 58861 0.0488 0.2989 -0.26758 2020 1 14 58862 0.0477 0.2999 -0.26838 2020 1 15 58863 0.0466 0.3010 -0.26938 2020 1 16 58864 0.0455 0.3022 -0.27050 2020 1 17 58865 0.0444 0.3033 -0.27163 2020 1 18 58866 0.0434 0.3045 -0.27268 2020 1 19 58867 0.0423 0.3056 -0.27355 2020 1 20 58868 0.0413 0.3068 -0.27424 2020 1 21 58869 0.0404 0.3080 -0.27475 2020 1 22 58870 0.0394 0.3093 -0.27515 2020 1 23 58871 0.0385 0.3105 -0.27551 2020 1 24 58872 0.0376 0.3118 -0.27589 2020 1 25 58873 0.0367 0.3130 -0.27634 2020 1 26 58874 0.0359 0.3143 -0.27690 2020 1 27 58875 0.0350 0.3156 -0.27758 2020 1 28 58876 0.0342 0.3169 -0.27840 2020 1 29 58877 0.0334 0.3183 -0.27933 2020 1 30 58878 0.0327 0.3196 -0.28038 2020 1 31 58879 0.0320 0.3210 -0.28147 2020 2 1 58880 0.0312 0.3223 -0.28253 2020 2 2 58881 0.0306 0.3237 -0.28353 2020 2 3 58882 0.0299 0.3251 -0.28444 2020 2 4 58883 0.0293 0.3265 -0.28524 2020 2 5 58884 0.0287 0.3279 -0.28591 2020 2 6 58885 0.0281 0.3293 -0.28645 2020 2 7 58886 0.0276 0.3308 -0.28700 2020 2 8 58887 0.0271 0.3322 -0.28765 2020 2 9 58888 0.0266 0.3337 -0.28847 2020 2 10 58889 0.0261 0.3351 -0.28953 2020 2 11 58890 0.0257 0.3366 -0.29079 2020 2 12 58891 0.0253 0.3381 -0.29223 2020 2 13 58892 0.0249 0.3396 -0.29369 2020 2 14 58893 0.0246 0.3411 -0.29506 2020 2 15 58894 0.0242 0.3426 -0.29625 2020 2 16 58895 0.0240 0.3441 -0.29716 2020 2 17 58896 0.0237 0.3456 -0.29784 2020 2 18 58897 0.0235 0.3471 -0.29832 2020 2 19 58898 0.0233 0.3487 -0.29868 2020 2 20 58899 0.0231 0.3502 -0.29906 2020 2 21 58900 0.0229 0.3517 -0.29954 2020 2 22 58901 0.0228 0.3533 -0.30012 2020 2 23 58902 0.0227 0.3548 -0.30082 2020 2 24 58903 0.0227 0.3563 -0.30166 2020 2 25 58904 0.0227 0.3579 -0.30266 2020 2 26 58905 0.0227 0.3594 -0.30377 2020 2 27 58906 0.0227 0.3610 -0.30495 2020 2 28 58907 0.0228 0.3625 -0.30612 2020 2 29 58908 0.0229 0.3641 -0.30724 2020 3 1 58909 0.0230 0.3656 -0.30826 2020 3 2 58910 0.0231 0.3672 -0.30915 2020 3 3 58911 0.0233 0.3687 -0.30989 2020 3 4 58912 0.0235 0.3703 -0.31051 2020 3 5 58913 0.0238 0.3718 -0.31104 2020 3 6 58914 0.0240 0.3734 -0.31161 2020 3 7 58915 0.0243 0.3749 -0.31232 2020 3 8 58916 0.0247 0.3764 -0.31326 2020 3 9 58917 0.0250 0.3780 -0.31447 2020 3 10 58918 0.0254 0.3795 -0.31599 2020 3 11 58919 0.0258 0.3810 -0.31774 2020 3 12 58920 0.0263 0.3825 -0.31951 2020 3 13 58921 0.0267 0.3840 -0.32118 2020 3 14 58922 0.0272 0.3855 -0.32265 2020 3 15 58923 0.0278 0.3870 -0.32387 2020 3 16 58924 0.0283 0.3885 -0.32489 2020 3 17 58925 0.0289 0.3900 -0.32578 2020 3 18 58926 0.0295 0.3915 -0.32658 2020 3 19 58927 0.0302 0.3930 -0.32738 2020 3 20 58928 0.0309 0.3944 -0.32827 2020 3 21 58929 0.0316 0.3959 -0.32918 2020 3 22 58930 0.0323 0.3973 -0.33018 2020 3 23 58931 0.0331 0.3987 -0.33131 2020 3 24 58932 0.0338 0.4001 -0.33255 2020 3 25 58933 0.0347 0.4016 -0.33385 2020 3 26 58934 0.0355 0.4029 -0.33515 2020 3 27 58935 0.0364 0.4043 -0.33639 2020 3 28 58936 0.0373 0.4057 -0.33753 2020 3 29 58937 0.0382 0.4071 -0.33853 2020 3 30 58938 0.0391 0.4084 -0.33944 2020 3 31 58939 0.0401 0.4097 -0.34023 2020 4 1 58940 0.0411 0.4110 -0.34091 2020 4 2 58941 0.0421 0.4123 -0.34155 2020 4 3 58942 0.0432 0.4136 -0.34229 2020 4 4 58943 0.0442 0.4149 -0.34318 2020 4 5 58944 0.0453 0.4162 -0.34427 2020 4 6 58945 0.0464 0.4174 -0.34566 2020 4 7 58946 0.0476 0.4186 -0.34730 2020 4 8 58947 0.0488 0.4198 -0.34901 2020 4 9 58948 0.0499 0.4210 -0.35071 2020 4 10 58949 0.0512 0.4222 -0.35224 2020 4 11 58950 0.0524 0.4233 -0.35354 2020 4 12 58951 0.0537 0.4245 -0.35463 2020 4 13 58952 0.0549 0.4256 -0.35554 2020 4 14 58953 0.0562 0.4267 -0.35632 2020 4 15 58954 0.0576 0.4277 -0.35700 2020 4 16 58955 0.0589 0.4288 -0.35765 2020 4 17 58956 0.0603 0.4298 -0.35835 2020 4 18 58957 0.0616 0.4308 -0.35916 2020 4 19 58958 0.0630 0.4318 -0.36005 2020 4 20 58959 0.0645 0.4328 -0.36101 2020 4 21 58960 0.0659 0.4338 -0.36203 2020 4 22 58961 0.0674 0.4347 -0.36307 2020 4 23 58962 0.0688 0.4356 -0.36412 2020 4 24 58963 0.0703 0.4365 -0.36513 2020 4 25 58964 0.0718 0.4373 -0.36600 2020 4 26 58965 0.0734 0.4382 -0.36673 2020 4 27 58966 0.0749 0.4390 -0.36740 2020 4 28 58967 0.0765 0.4398 -0.36803 2020 4 29 58968 0.0780 0.4406 -0.36860 2020 4 30 58969 0.0796 0.4413 -0.36915 2020 5 1 58970 0.0812 0.4420 -0.36984 2020 5 2 58971 0.0828 0.4427 -0.37082 2020 5 3 58972 0.0845 0.4434 -0.37205 2020 5 4 58973 0.0861 0.4440 -0.37353 2020 5 5 58974 0.0878 0.4446 -0.37517 2020 5 6 58975 0.0894 0.4452 -0.37681 2020 5 7 58976 0.0911 0.4458 -0.37832 2020 5 8 58977 0.0928 0.4463 -0.37963 2020 5 9 58978 0.0945 0.4469 -0.38065 2020 5 10 58979 0.0962 0.4473 -0.38143 2020 5 11 58980 0.0979 0.4478 -0.38203 2020 5 12 58981 0.0997 0.4482 -0.38258 2020 5 13 58982 0.1014 0.4486 -0.38319 2020 5 14 58983 0.1032 0.4490 -0.38387 2020 5 15 58984 0.1049 0.4494 -0.38459 2020 5 16 58985 0.1067 0.4497 -0.38538 2020 5 17 58986 0.1084 0.4500 -0.38621 2020 5 18 58987 0.1102 0.4503 -0.38710 2020 5 19 58988 0.1120 0.4505 -0.38802 2020 5 20 58989 0.1138 0.4507 -0.38890 2020 5 21 58990 0.1156 0.4509 -0.38971 2020 5 22 58991 0.1173 0.4511 -0.39045 2020 5 23 58992 0.1191 0.4512 -0.39108 2020 5 24 58993 0.1209 0.4513 -0.39155 2020 5 25 58994 0.1227 0.4514 -0.39188 2020 5 26 58995 0.1245 0.4514 -0.39217 2020 5 27 58996 0.1263 0.4515 -0.39252 2020 5 28 58997 0.1281 0.4514 -0.39301 2020 5 29 58998 0.1299 0.4514 -0.39372 2020 5 30 58999 0.1317 0.4513 -0.39465 2020 5 31 59000 0.1335 0.4512 -0.39575 2020 6 1 59001 0.1353 0.4511 -0.39700 2020 6 2 59002 0.1371 0.4510 -0.39826 2020 6 3 59003 0.1389 0.4508 -0.39943 2020 6 4 59004 0.1407 0.4506 -0.40043 2020 6 5 59005 0.1425 0.4503 -0.40120 2020 6 6 59006 0.1443 0.4501 -0.40174 2020 6 7 59007 0.1461 0.4498 -0.40208 2020 6 8 59008 0.1479 0.4495 -0.40225 2020 6 9 59009 0.1496 0.4491 -0.40234 2020 6 10 59010 0.1514 0.4487 -0.40241 2020 6 11 59011 0.1531 0.4483 -0.40253 2020 6 12 59012 0.1549 0.4479 -0.40274 2020 6 13 59013 0.1566 0.4474 -0.40305 2020 6 14 59014 0.1584 0.4469 -0.40347 2020 6 15 59015 0.1601 0.4464 -0.40390 2020 6 16 59016 0.1618 0.4459 -0.40424 2020 6 17 59017 0.1635 0.4453 -0.40445 2020 6 18 59018 0.1652 0.4447 -0.40448 2020 6 19 59019 0.1669 0.4441 -0.40432 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) 58628 -105.27 0.13 -11.51 0.14 58629 -105.10 0.13 -11.52 0.14 58630 -104.92 0.16 -11.56 0.17 58631 -104.88 0.28 -11.56 0.26 58632 -105.13 0.16 -11.47 0.20 58633 -105.62 0.16 -11.28 0.20 58634 -106.14 0.16 -11.07 0.20 58635 -106.44 0.16 -10.97 0.20 58636 -106.46 0.18 -11.06 0.18 58637 -106.35 0.18 -11.27 0.18 58638 -106.28 0.44 -11.49 0.20 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58628 0.034 0.053 -0.152 0.135 58629 0.038 0.053 -0.157 0.135 58630 0.042 0.065 -0.166 0.170 58631 0.047 0.113 -0.178 0.262 58632 0.052 0.063 -0.190 0.205 58633 0.058 0.063 -0.199 0.205 58634 0.066 0.063 -0.205 0.205 58635 0.079 0.063 -0.209 0.205 58636 0.096 0.073 -0.212 0.184 58637 0.116 0.073 -0.213 0.184 58638 0.138 0.175 -0.214 0.202 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).