********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 13 June 2019 Vol. XXXII No. 024 ______________________________________________________________________ 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 7 58641 0.12274 .00009 0.43091 .00009 -0.171639 0.000012 19 6 8 58642 0.12445 .00009 0.43055 .00009 -0.171825 0.000012 19 6 9 58643 0.12627 .00009 0.43016 .00009 -0.172135 0.000011 19 6 10 58644 0.12832 .00009 0.42987 .00009 -0.172601 0.000008 19 6 11 58645 0.13039 .00009 0.42969 .00009 -0.173200 0.000008 19 6 12 58646 0.13237 .00009 0.42952 .00009 -0.173852 0.000006 19 6 13 58647 0.13439 .00009 0.42943 .00009 -0.174467 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 = 0.1318 + 0.0240 cos A + 0.0806 sin A - 0.0235 cos C - 0.0025 sin C y = 0.3639 + 0.0723 cos A - 0.0244 sin A - 0.0025 cos C + 0.0235 sin C UT1-UTC = -0.1447 - 0.00063 (MJD - 58655) - (UT2-UT1) where A = 2*pi*(MJD-58647)/365.25 and C = 2*pi*(MJD-58647)/435. TAI-UTC(MJD 58648) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58647)**0.80 S t = 0.00025 (MJD-58647)**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 14 58648 0.1363 0.4294 -0.17497 2019 6 15 58649 0.1381 0.4294 -0.17529 2019 6 16 58650 0.1399 0.4293 -0.17541 2019 6 17 58651 0.1416 0.4291 -0.17537 2019 6 18 58652 0.1432 0.4289 -0.17521 2019 6 19 58653 0.1448 0.4286 -0.17499 2019 6 20 58654 0.1464 0.4283 -0.17474 2019 6 21 58655 0.1480 0.4280 -0.17452 2019 6 22 58656 0.1496 0.4276 -0.17437 2019 6 23 58657 0.1512 0.4272 -0.17429 2019 6 24 58658 0.1527 0.4269 -0.17429 2019 6 25 58659 0.1542 0.4265 -0.17436 2019 6 26 58660 0.1557 0.4260 -0.17447 2019 6 27 58661 0.1571 0.4255 -0.17460 2019 6 28 58662 0.1585 0.4250 -0.17471 2019 6 29 58663 0.1600 0.4244 -0.17477 2019 6 30 58664 0.1614 0.4238 -0.17475 2019 7 1 58665 0.1628 0.4232 -0.17460 2019 7 2 58666 0.1642 0.4226 -0.17434 2019 7 3 58667 0.1656 0.4219 -0.17401 2019 7 4 58668 0.1669 0.4212 -0.17370 2019 7 5 58669 0.1683 0.4206 -0.17350 2019 7 6 58670 0.1696 0.4198 -0.17347 2019 7 7 58671 0.1709 0.4191 -0.17361 2019 7 8 58672 0.1722 0.4183 -0.17389 2019 7 9 58673 0.1735 0.4175 -0.17423 2019 7 10 58674 0.1748 0.4167 -0.17454 2019 7 11 58675 0.1760 0.4159 -0.17473 2019 7 12 58676 0.1773 0.4150 -0.17475 2019 7 13 58677 0.1785 0.4141 -0.17457 2019 7 14 58678 0.1797 0.4133 -0.17421 2019 7 15 58679 0.1809 0.4123 -0.17369 2019 7 16 58680 0.1820 0.4114 -0.17309 2019 7 17 58681 0.1832 0.4105 -0.17244 2019 7 18 58682 0.1843 0.4095 -0.17182 2019 7 19 58683 0.1854 0.4085 -0.17126 2019 7 20 58684 0.1865 0.4075 -0.17079 2019 7 21 58685 0.1875 0.4064 -0.17041 2019 7 22 58686 0.1886 0.4054 -0.17013 2019 7 23 58687 0.1896 0.4043 -0.16992 2019 7 24 58688 0.1906 0.4033 -0.16976 2019 7 25 58689 0.1916 0.4022 -0.16960 2019 7 26 58690 0.1925 0.4010 -0.16941 2019 7 27 58691 0.1934 0.3999 -0.16915 2019 7 28 58692 0.1943 0.3988 -0.16881 2019 7 29 58693 0.1952 0.3976 -0.16838 2019 7 30 58694 0.1961 0.3964 -0.16788 2019 7 31 58695 0.1969 0.3952 -0.16740 2019 8 1 58696 0.1978 0.3940 -0.16702 2019 8 2 58697 0.1985 0.3928 -0.16682 2019 8 3 58698 0.1993 0.3916 -0.16684 2019 8 4 58699 0.2001 0.3903 -0.16706 2019 8 5 58700 0.2008 0.3891 -0.16738 2019 8 6 58701 0.2015 0.3878 -0.16771 2019 8 7 58702 0.2021 0.3865 -0.16794 2019 8 8 58703 0.2028 0.3852 -0.16800 2019 8 9 58704 0.2034 0.3839 -0.16786 2019 8 10 58705 0.2040 0.3826 -0.16754 2019 8 11 58706 0.2045 0.3813 -0.16707 2019 8 12 58707 0.2051 0.3800 -0.16652 2019 8 13 58708 0.2056 0.3786 -0.16594 2019 8 14 58709 0.2061 0.3773 -0.16538 2019 8 15 58710 0.2065 0.3759 -0.16489 2019 8 16 58711 0.2070 0.3745 -0.16450 2019 8 17 58712 0.2074 0.3731 -0.16424 2019 8 18 58713 0.2078 0.3717 -0.16409 2019 8 19 58714 0.2081 0.3704 -0.16405 2019 8 20 58715 0.2084 0.3690 -0.16408 2019 8 21 58716 0.2087 0.3675 -0.16415 2019 8 22 58717 0.2090 0.3661 -0.16421 2019 8 23 58718 0.2092 0.3647 -0.16423 2019 8 24 58719 0.2094 0.3633 -0.16420 2019 8 25 58720 0.2096 0.3619 -0.16409 2019 8 26 58721 0.2098 0.3604 -0.16393 2019 8 27 58722 0.2099 0.3590 -0.16378 2019 8 28 58723 0.2100 0.3576 -0.16370 2019 8 29 58724 0.2101 0.3561 -0.16381 2019 8 30 58725 0.2101 0.3547 -0.16417 2019 8 31 58726 0.2101 0.3532 -0.16478 2019 9 1 58727 0.2101 0.3518 -0.16559 2019 9 2 58728 0.2101 0.3503 -0.16648 2019 9 3 58729 0.2100 0.3489 -0.16733 2019 9 4 58730 0.2099 0.3474 -0.16803 2019 9 5 58731 0.2098 0.3460 -0.16853 2019 9 6 58732 0.2096 0.3446 -0.16882 2019 9 7 58733 0.2094 0.3431 -0.16895 2019 9 8 58734 0.2092 0.3417 -0.16898 2019 9 9 58735 0.2090 0.3402 -0.16896 2019 9 10 58736 0.2087 0.3388 -0.16897 2019 9 11 58737 0.2084 0.3374 -0.16905 2019 9 12 58738 0.2081 0.3359 -0.16923 2019 9 13 58739 0.2077 0.3345 -0.16954 2019 9 14 58740 0.2073 0.3331 -0.16998 2019 9 15 58741 0.2069 0.3317 -0.17054 2019 9 16 58742 0.2065 0.3303 -0.17117 2019 9 17 58743 0.2060 0.3289 -0.17184 2019 9 18 58744 0.2055 0.3275 -0.17250 2019 9 19 58745 0.2050 0.3261 -0.17311 2019 9 20 58746 0.2044 0.3247 -0.17364 2019 9 21 58747 0.2039 0.3233 -0.17408 2019 9 22 58748 0.2033 0.3220 -0.17446 2019 9 23 58749 0.2026 0.3206 -0.17480 2019 9 24 58750 0.2020 0.3193 -0.17518 2019 9 25 58751 0.2013 0.3179 -0.17570 2019 9 26 58752 0.2006 0.3166 -0.17643 2019 9 27 58753 0.1998 0.3153 -0.17743 2019 9 28 58754 0.1991 0.3140 -0.17867 2019 9 29 58755 0.1983 0.3127 -0.18006 2019 9 30 58756 0.1975 0.3114 -0.18147 2019 10 1 58757 0.1967 0.3101 -0.18276 2019 10 2 58758 0.1958 0.3089 -0.18386 2019 10 3 58759 0.1949 0.3076 -0.18472 2019 10 4 58760 0.1940 0.3064 -0.18537 2019 10 5 58761 0.1931 0.3052 -0.18588 2019 10 6 58762 0.1921 0.3040 -0.18631 2019 10 7 58763 0.1911 0.3028 -0.18673 2019 10 8 58764 0.1901 0.3016 -0.18720 2019 10 9 58765 0.1891 0.3004 -0.18777 2019 10 10 58766 0.1880 0.2993 -0.18845 2019 10 11 58767 0.1870 0.2982 -0.18925 2019 10 12 58768 0.1859 0.2970 -0.19017 2019 10 13 58769 0.1847 0.2959 -0.19117 2019 10 14 58770 0.1836 0.2949 -0.19221 2019 10 15 58771 0.1824 0.2938 -0.19324 2019 10 16 58772 0.1813 0.2928 -0.19422 2019 10 17 58773 0.1801 0.2917 -0.19511 2019 10 18 58774 0.1788 0.2907 -0.19589 2019 10 19 58775 0.1776 0.2897 -0.19657 2019 10 20 58776 0.1763 0.2888 -0.19719 2019 10 21 58777 0.1751 0.2878 -0.19781 2019 10 22 58778 0.1738 0.2869 -0.19851 2019 10 23 58779 0.1725 0.2860 -0.19938 2019 10 24 58780 0.1711 0.2851 -0.20048 2019 10 25 58781 0.1698 0.2842 -0.20181 2019 10 26 58782 0.1684 0.2834 -0.20335 2019 10 27 58783 0.1670 0.2826 -0.20497 2019 10 28 58784 0.1656 0.2817 -0.20655 2019 10 29 58785 0.1642 0.2810 -0.20798 2019 10 30 58786 0.1628 0.2802 -0.20917 2019 10 31 58787 0.1613 0.2795 -0.21013 2019 11 1 58788 0.1599 0.2787 -0.21088 2019 11 2 58789 0.1584 0.2781 -0.21152 2019 11 3 58790 0.1569 0.2774 -0.21210 2019 11 4 58791 0.1554 0.2767 -0.21270 2019 11 5 58792 0.1539 0.2761 -0.21337 2019 11 6 58793 0.1524 0.2755 -0.21413 2019 11 7 58794 0.1508 0.2749 -0.21500 2019 11 8 58795 0.1493 0.2744 -0.21598 2019 11 9 58796 0.1477 0.2739 -0.21704 2019 11 10 58797 0.1461 0.2734 -0.21814 2019 11 11 58798 0.1446 0.2729 -0.21924 2019 11 12 58799 0.1430 0.2724 -0.22029 2019 11 13 58800 0.1414 0.2720 -0.22125 2019 11 14 58801 0.1398 0.2716 -0.22208 2019 11 15 58802 0.1381 0.2712 -0.22279 2019 11 16 58803 0.1365 0.2709 -0.22340 2019 11 17 58804 0.1349 0.2706 -0.22398 2019 11 18 58805 0.1333 0.2703 -0.22460 2019 11 19 58806 0.1316 0.2700 -0.22534 2019 11 20 58807 0.1300 0.2697 -0.22626 2019 11 21 58808 0.1283 0.2695 -0.22740 2019 11 22 58809 0.1267 0.2693 -0.22872 2019 11 23 58810 0.1250 0.2691 -0.23016 2019 11 24 58811 0.1233 0.2690 -0.23162 2019 11 25 58812 0.1217 0.2689 -0.23297 2019 11 26 58813 0.1200 0.2688 -0.23413 2019 11 27 58814 0.1183 0.2687 -0.23506 2019 11 28 58815 0.1167 0.2687 -0.23577 2019 11 29 58816 0.1150 0.2687 -0.23633 2019 11 30 58817 0.1133 0.2687 -0.23680 2019 12 1 58818 0.1116 0.2688 -0.23726 2019 12 2 58819 0.1100 0.2688 -0.23777 2019 12 3 58820 0.1083 0.2689 -0.23836 2019 12 4 58821 0.1066 0.2690 -0.23904 2019 12 5 58822 0.1049 0.2692 -0.23984 2019 12 6 58823 0.1033 0.2694 -0.24071 2019 12 7 58824 0.1016 0.2696 -0.24164 2019 12 8 58825 0.1000 0.2698 -0.24258 2019 12 9 58826 0.0983 0.2701 -0.24349 2019 12 10 58827 0.0967 0.2704 -0.24433 2019 12 11 58828 0.0950 0.2707 -0.24505 2019 12 12 58829 0.0934 0.2710 -0.24565 2019 12 13 58830 0.0917 0.2714 -0.24615 2019 12 14 58831 0.0901 0.2718 -0.24659 2019 12 15 58832 0.0885 0.2722 -0.24706 2019 12 16 58833 0.0869 0.2726 -0.24764 2019 12 17 58834 0.0853 0.2731 -0.24841 2019 12 18 58835 0.0837 0.2736 -0.24938 2019 12 19 58836 0.0821 0.2741 -0.25055 2019 12 20 58837 0.0805 0.2747 -0.25186 2019 12 21 58838 0.0790 0.2752 -0.25319 2019 12 22 58839 0.0774 0.2758 -0.25446 2019 12 23 58840 0.0759 0.2764 -0.25555 2019 12 24 58841 0.0743 0.2771 -0.25641 2019 12 25 58842 0.0728 0.2778 -0.25704 2019 12 26 58843 0.0713 0.2785 -0.25747 2019 12 27 58844 0.0698 0.2792 -0.25776 2019 12 28 58845 0.0683 0.2799 -0.25801 2019 12 29 58846 0.0669 0.2807 -0.25827 2019 12 30 58847 0.0654 0.2815 -0.25859 2019 12 31 58848 0.0640 0.2823 -0.25901 2020 1 1 58849 0.0626 0.2832 -0.25954 2020 1 2 58850 0.0612 0.2840 -0.26017 2020 1 3 58851 0.0598 0.2849 -0.26087 2020 1 4 58852 0.0584 0.2858 -0.26161 2020 1 5 58853 0.0570 0.2868 -0.26233 2020 1 6 58854 0.0557 0.2877 -0.26299 2020 1 7 58855 0.0544 0.2887 -0.26357 2020 1 8 58856 0.0531 0.2897 -0.26405 2020 1 9 58857 0.0518 0.2907 -0.26445 2020 1 10 58858 0.0505 0.2918 -0.26482 2020 1 11 58859 0.0493 0.2928 -0.26525 2020 1 12 58860 0.0481 0.2939 -0.26581 2020 1 13 58861 0.0469 0.2950 -0.26659 2020 1 14 58862 0.0457 0.2961 -0.26760 2020 1 15 58863 0.0445 0.2973 -0.26882 2020 1 16 58864 0.0434 0.2984 -0.27020 2020 1 17 58865 0.0423 0.2996 -0.27162 2020 1 18 58866 0.0412 0.3008 -0.27296 2020 1 19 58867 0.0401 0.3020 -0.27412 2020 1 20 58868 0.0391 0.3033 -0.27508 2020 1 21 58869 0.0381 0.3045 -0.27581 2020 1 22 58870 0.0371 0.3058 -0.27635 2020 1 23 58871 0.0361 0.3071 -0.27674 2020 1 24 58872 0.0351 0.3084 -0.27710 2020 1 25 58873 0.0342 0.3097 -0.27752 2020 1 26 58874 0.0333 0.3110 -0.27802 2020 1 27 58875 0.0324 0.3124 -0.27862 2020 1 28 58876 0.0316 0.3138 -0.27931 2020 1 29 58877 0.0308 0.3152 -0.28008 2020 1 30 58878 0.0300 0.3165 -0.28088 2020 1 31 58879 0.0292 0.3180 -0.28166 2020 2 1 58880 0.0284 0.3194 -0.28243 2020 2 2 58881 0.0277 0.3208 -0.28307 2020 2 3 58882 0.0270 0.3223 -0.28364 2020 2 4 58883 0.0264 0.3237 -0.28410 2020 2 5 58884 0.0257 0.3252 -0.28446 2020 2 6 58885 0.0251 0.3267 -0.28481 2020 2 7 58886 0.0245 0.3282 -0.28523 2020 2 8 58887 0.0240 0.3297 -0.28575 2020 2 9 58888 0.0235 0.3312 -0.28645 2020 2 10 58889 0.0230 0.3327 -0.28741 2020 2 11 58890 0.0225 0.3343 -0.28866 2020 2 12 58891 0.0221 0.3358 -0.29013 2020 2 13 58892 0.0217 0.3373 -0.29168 2020 2 14 58893 0.0213 0.3389 -0.29316 2020 2 15 58894 0.0209 0.3405 -0.29448 2020 2 16 58895 0.0206 0.3420 -0.29557 2020 2 17 58896 0.0203 0.3436 -0.29640 2020 2 18 58897 0.0201 0.3452 -0.29701 2020 2 19 58898 0.0198 0.3468 -0.29745 2020 2 20 58899 0.0196 0.3484 -0.29779 2020 2 21 58900 0.0195 0.3500 -0.29814 2020 2 22 58901 0.0193 0.3516 -0.29859 2020 2 23 58902 0.0192 0.3532 -0.29914 2020 2 24 58903 0.0192 0.3548 -0.29981 2020 2 25 58904 0.0191 0.3564 -0.30065 2020 2 26 58905 0.0191 0.3580 -0.30165 2020 2 27 58906 0.0191 0.3596 -0.30271 2020 2 28 58907 0.0192 0.3612 -0.30381 2020 2 29 58908 0.0192 0.3629 -0.30488 2020 3 1 58909 0.0193 0.3645 -0.30590 2020 3 2 58910 0.0195 0.3661 -0.30683 2020 3 3 58911 0.0196 0.3677 -0.30771 2020 3 4 58912 0.0198 0.3693 -0.30848 2020 3 5 58913 0.0201 0.3709 -0.30924 2020 3 6 58914 0.0203 0.3725 -0.31006 2020 3 7 58915 0.0206 0.3741 -0.31095 2020 3 8 58916 0.0209 0.3758 -0.31204 2020 3 9 58917 0.0213 0.3773 -0.31342 2020 3 10 58918 0.0217 0.3789 -0.31507 2020 3 11 58919 0.0221 0.3805 -0.31688 2020 3 12 58920 0.0225 0.3821 -0.31869 2020 3 13 58921 0.0230 0.3837 -0.32036 2020 3 14 58922 0.0235 0.3853 -0.32179 2020 3 15 58923 0.0240 0.3868 -0.32293 2020 3 16 58924 0.0246 0.3884 -0.32387 2020 3 17 58925 0.0252 0.3899 -0.32465 2020 3 18 58926 0.0258 0.3915 -0.32529 2020 3 19 58927 0.0265 0.3930 -0.32590 2020 3 20 58928 0.0271 0.3945 -0.32657 2020 3 21 58929 0.0278 0.3961 -0.32732 2020 3 22 58930 0.0286 0.3976 -0.32814 2020 3 23 58931 0.0293 0.3990 -0.32909 2020 3 24 58932 0.0301 0.4005 -0.33016 2020 3 25 58933 0.0310 0.4020 -0.33126 2020 3 26 58934 0.0318 0.4035 -0.33241 2020 3 27 58935 0.0327 0.4049 -0.33355 2020 3 28 58936 0.0336 0.4063 -0.33465 2020 3 29 58937 0.0345 0.4078 -0.33569 2020 3 30 58938 0.0355 0.4092 -0.33666 2020 3 31 58939 0.0365 0.4106 -0.33752 2020 4 1 58940 0.0375 0.4119 -0.33826 2020 4 2 58941 0.0385 0.4133 -0.33895 2020 4 3 58942 0.0396 0.4146 -0.33970 2020 4 4 58943 0.0407 0.4160 -0.34063 2020 4 5 58944 0.0418 0.4173 -0.34179 2020 4 6 58945 0.0429 0.4186 -0.34321 2020 4 7 58946 0.0441 0.4199 -0.34485 2020 4 8 58947 0.0453 0.4211 -0.34661 2020 4 9 58948 0.0465 0.4224 -0.34836 2020 4 10 58949 0.0477 0.4236 -0.34996 2020 4 11 58950 0.0490 0.4248 -0.35128 2020 4 12 58951 0.0503 0.4260 -0.35232 2020 4 13 58952 0.0516 0.4272 -0.35323 2020 4 14 58953 0.0529 0.4283 -0.35406 2020 4 15 58954 0.0543 0.4295 -0.35482 2020 4 16 58955 0.0556 0.4306 -0.35555 2020 4 17 58956 0.0570 0.4317 -0.35639 2020 4 18 58957 0.0584 0.4327 -0.35740 2020 4 19 58958 0.0599 0.4338 -0.35854 2020 4 20 58959 0.0613 0.4348 -0.35976 2020 4 21 58960 0.0628 0.4358 -0.36105 2020 4 22 58961 0.0643 0.4368 -0.36233 2020 4 23 58962 0.0658 0.4377 -0.36356 2020 4 24 58963 0.0673 0.4387 -0.36474 2020 4 25 58964 0.0689 0.4396 -0.36580 2020 4 26 58965 0.0705 0.4405 -0.36673 2020 4 27 58966 0.0720 0.4413 -0.36753 2020 4 28 58967 0.0736 0.4422 -0.36827 2020 4 29 58968 0.0753 0.4430 -0.36905 2020 4 30 58969 0.0769 0.4438 -0.36987 2020 5 1 58970 0.0785 0.4445 -0.37078 2020 5 2 58971 0.0802 0.4453 -0.37185 2020 5 3 58972 0.0819 0.4460 -0.37314 2020 5 4 58973 0.0835 0.4467 -0.37466 2020 5 5 58974 0.0852 0.4473 -0.37634 2020 5 6 58975 0.0870 0.4480 -0.37805 2020 5 7 58976 0.0887 0.4486 -0.37964 2020 5 8 58977 0.0904 0.4491 -0.38106 2020 5 9 58978 0.0922 0.4497 -0.38221 2020 5 10 58979 0.0939 0.4502 -0.38311 2020 5 11 58980 0.0957 0.4507 -0.38381 2020 5 12 58981 0.0975 0.4512 -0.38444 2020 5 13 58982 0.0993 0.4516 -0.38512 2020 5 14 58983 0.1011 0.4520 -0.38590 2020 5 15 58984 0.1029 0.4524 -0.38683 2020 5 16 58985 0.1047 0.4528 -0.38786 2020 5 17 58986 0.1065 0.4531 -0.38894 2020 5 18 58987 0.1083 0.4534 -0.39004 2020 5 19 58988 0.1102 0.4537 -0.39112 2020 5 20 58989 0.1120 0.4539 -0.39212 2020 5 21 58990 0.1138 0.4541 -0.39304 2020 5 22 58991 0.1157 0.4543 -0.39387 2020 5 23 58992 0.1175 0.4545 -0.39459 2020 5 24 58993 0.1194 0.4546 -0.39517 2020 5 25 58994 0.1212 0.4547 -0.39558 2020 5 26 58995 0.1231 0.4548 -0.39588 2020 5 27 58996 0.1250 0.4548 -0.39613 2020 5 28 58997 0.1268 0.4548 -0.39643 2020 5 29 58998 0.1287 0.4548 -0.39688 2020 5 30 58999 0.1305 0.4547 -0.39756 2020 5 31 59000 0.1324 0.4547 -0.39849 2020 6 1 59001 0.1343 0.4546 -0.39957 2020 6 2 59002 0.1361 0.4544 -0.40064 2020 6 3 59003 0.1380 0.4543 -0.40159 2020 6 4 59004 0.1398 0.4541 -0.40229 2020 6 5 59005 0.1417 0.4538 -0.40268 2020 6 6 59006 0.1435 0.4536 -0.40277 2020 6 7 59007 0.1454 0.4533 -0.40256 2020 6 8 59008 0.1472 0.4530 -0.40222 2020 6 9 59009 0.1490 0.4526 -0.40182 2020 6 10 59010 0.1509 0.4523 -0.40148 2020 6 11 59011 0.1527 0.4518 -0.40125 2020 6 12 59012 0.1545 0.4514 -0.40113 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) 58625 -105.07 0.15 -11.36 0.18 58626 -105.17 0.15 -11.45 0.18 58627 -105.25 0.15 -11.50 0.18 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58625 0.040 0.060 -0.179 0.181 58626 0.046 0.060 -0.169 0.181 58627 0.052 0.060 -0.157 0.181 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).