********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 11 July 2019 Vol. XXXII No. 028 ______________________________________________________________________ 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 *********************************************************************** * * * There will NOT be a leap second introduced * * in UTC on 31 December 2019 * * * * 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 7 5 58669 0.16095 .00009 0.41613 .00009 -0.172272 0.000026 19 7 6 58670 0.16278 .00009 0.41540 .00009 -0.171999 0.000025 19 7 7 58671 0.16498 .00009 0.41501 .00009 -0.171933 0.000026 19 7 8 58672 0.16702 .00009 0.41470 .00009 -0.171934 0.000023 19 7 9 58673 0.16886 .00009 0.41415 .00009 -0.171976 0.000021 19 7 10 58674 0.17058 .00009 0.41333 .00009 -0.172040 0.000017 19 7 11 58675 0.17215 .00009 0.41243 .00009 -0.172013 0.000016 _______________________________________________________________________ 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 = 0.1321 + 0.0552 cos A + 0.0682 sin A - 0.0135 cos C + 0.0027 sin C y = 0.3537 + 0.0611 cos A - 0.0492 sin A + 0.0027 cos C + 0.0135 sin C UT1-UTC = -0.1570 - 0.00061 (MJD - 58683) - (UT2-UT1) where A = 2*pi*(MJD-58675)/365.25 and C = 2*pi*(MJD-58675)/435. TAI-UTC(MJD 58676) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58675)**0.80 S t = 0.00025 (MJD-58675)**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 7 12 58676 0.1736 0.4115 -0.17177 2019 7 13 58677 0.1750 0.4106 -0.17130 2019 7 14 58678 0.1764 0.4097 -0.17063 2019 7 15 58679 0.1778 0.4088 -0.16980 2019 7 16 58680 0.1791 0.4080 -0.16889 2019 7 17 58681 0.1804 0.4073 -0.16794 2019 7 18 58682 0.1816 0.4065 -0.16702 2019 7 19 58683 0.1828 0.4057 -0.16616 2019 7 20 58684 0.1839 0.4048 -0.16541 2019 7 21 58685 0.1849 0.4039 -0.16476 2019 7 22 58686 0.1860 0.4030 -0.16423 2019 7 23 58687 0.1871 0.4020 -0.16380 2019 7 24 58688 0.1881 0.4010 -0.16346 2019 7 25 58689 0.1891 0.4001 -0.16313 2019 7 26 58690 0.1901 0.3991 -0.16279 2019 7 27 58691 0.1910 0.3981 -0.16239 2019 7 28 58692 0.1918 0.3970 -0.16192 2019 7 29 58693 0.1926 0.3960 -0.16139 2019 7 30 58694 0.1934 0.3949 -0.16082 2019 7 31 58695 0.1942 0.3938 -0.16027 2019 8 1 58696 0.1950 0.3927 -0.15985 2019 8 2 58697 0.1957 0.3916 -0.15965 2019 8 3 58698 0.1965 0.3905 -0.15970 2019 8 4 58699 0.1972 0.3893 -0.15997 2019 8 5 58700 0.1979 0.3882 -0.16036 2019 8 6 58701 0.1985 0.3870 -0.16076 2019 8 7 58702 0.1991 0.3858 -0.16107 2019 8 8 58703 0.1997 0.3846 -0.16120 2019 8 9 58704 0.2003 0.3834 -0.16115 2019 8 10 58705 0.2009 0.3822 -0.16092 2019 8 11 58706 0.2014 0.3810 -0.16056 2019 8 12 58707 0.2019 0.3798 -0.16011 2019 8 13 58708 0.2024 0.3785 -0.15965 2019 8 14 58709 0.2029 0.3773 -0.15920 2019 8 15 58710 0.2033 0.3760 -0.15884 2019 8 16 58711 0.2037 0.3747 -0.15858 2019 8 17 58712 0.2041 0.3735 -0.15845 2019 8 18 58713 0.2044 0.3722 -0.15844 2019 8 19 58714 0.2048 0.3709 -0.15854 2019 8 20 58715 0.2051 0.3696 -0.15870 2019 8 21 58716 0.2054 0.3683 -0.15890 2019 8 22 58717 0.2056 0.3670 -0.15908 2019 8 23 58718 0.2058 0.3657 -0.15921 2019 8 24 58719 0.2060 0.3644 -0.15928 2019 8 25 58720 0.2062 0.3630 -0.15925 2019 8 26 58721 0.2064 0.3617 -0.15917 2019 8 27 58722 0.2065 0.3604 -0.15906 2019 8 28 58723 0.2066 0.3591 -0.15904 2019 8 29 58724 0.2066 0.3577 -0.15918 2019 8 30 58725 0.2067 0.3564 -0.15956 2019 8 31 58726 0.2067 0.3551 -0.16019 2019 9 1 58727 0.2067 0.3537 -0.16099 2019 9 2 58728 0.2066 0.3524 -0.16187 2019 9 3 58729 0.2066 0.3510 -0.16268 2019 9 4 58730 0.2065 0.3497 -0.16333 2019 9 5 58731 0.2063 0.3484 -0.16376 2019 9 6 58732 0.2062 0.3470 -0.16398 2019 9 7 58733 0.2060 0.3457 -0.16404 2019 9 8 58734 0.2058 0.3443 -0.16399 2019 9 9 58735 0.2056 0.3430 -0.16391 2019 9 10 58736 0.2053 0.3417 -0.16384 2019 9 11 58737 0.2050 0.3404 -0.16385 2019 9 12 58738 0.2047 0.3390 -0.16396 2019 9 13 58739 0.2043 0.3377 -0.16420 2019 9 14 58740 0.2040 0.3364 -0.16457 2019 9 15 58741 0.2036 0.3351 -0.16504 2019 9 16 58742 0.2032 0.3338 -0.16559 2019 9 17 58743 0.2027 0.3325 -0.16618 2019 9 18 58744 0.2022 0.3312 -0.16676 2019 9 19 58745 0.2017 0.3299 -0.16728 2019 9 20 58746 0.2012 0.3286 -0.16773 2019 9 21 58747 0.2006 0.3273 -0.16809 2019 9 22 58748 0.2001 0.3261 -0.16838 2019 9 23 58749 0.1995 0.3248 -0.16863 2019 9 24 58750 0.1988 0.3236 -0.16892 2019 9 25 58751 0.1982 0.3223 -0.16934 2019 9 26 58752 0.1975 0.3211 -0.16997 2019 9 27 58753 0.1968 0.3199 -0.17087 2019 9 28 58754 0.1960 0.3187 -0.17200 2019 9 29 58755 0.1953 0.3175 -0.17330 2019 9 30 58756 0.1945 0.3163 -0.17461 2019 10 1 58757 0.1937 0.3151 -0.17582 2019 10 2 58758 0.1929 0.3139 -0.17683 2019 10 3 58759 0.1920 0.3128 -0.17762 2019 10 4 58760 0.1911 0.3116 -0.17820 2019 10 5 58761 0.1903 0.3105 -0.17865 2019 10 6 58762 0.1893 0.3094 -0.17902 2019 10 7 58763 0.1884 0.3083 -0.17939 2019 10 8 58764 0.1874 0.3072 -0.17982 2019 10 9 58765 0.1864 0.3061 -0.18035 2019 10 10 58766 0.1854 0.3050 -0.18099 2019 10 11 58767 0.1844 0.3040 -0.18177 2019 10 12 58768 0.1833 0.3029 -0.18266 2019 10 13 58769 0.1823 0.3019 -0.18363 2019 10 14 58770 0.1812 0.3009 -0.18465 2019 10 15 58771 0.1801 0.2999 -0.18568 2019 10 16 58772 0.1789 0.2990 -0.18665 2019 10 17 58773 0.1778 0.2980 -0.18753 2019 10 18 58774 0.1766 0.2971 -0.18831 2019 10 19 58775 0.1754 0.2962 -0.18900 2019 10 20 58776 0.1742 0.2953 -0.18962 2019 10 21 58777 0.1730 0.2944 -0.19025 2019 10 22 58778 0.1717 0.2935 -0.19095 2019 10 23 58779 0.1705 0.2927 -0.19182 2019 10 24 58780 0.1692 0.2919 -0.19292 2019 10 25 58781 0.1679 0.2911 -0.19427 2019 10 26 58782 0.1666 0.2903 -0.19581 2019 10 27 58783 0.1652 0.2895 -0.19745 2019 10 28 58784 0.1639 0.2888 -0.19901 2019 10 29 58785 0.1625 0.2880 -0.20042 2019 10 30 58786 0.1612 0.2873 -0.20160 2019 10 31 58787 0.1598 0.2867 -0.20254 2019 11 1 58788 0.1584 0.2860 -0.20329 2019 11 2 58789 0.1570 0.2854 -0.20391 2019 11 3 58790 0.1555 0.2847 -0.20449 2019 11 4 58791 0.1541 0.2841 -0.20508 2019 11 5 58792 0.1526 0.2836 -0.20574 2019 11 6 58793 0.1512 0.2830 -0.20649 2019 11 7 58794 0.1497 0.2825 -0.20735 2019 11 8 58795 0.1482 0.2820 -0.20832 2019 11 9 58796 0.1467 0.2815 -0.20938 2019 11 10 58797 0.1452 0.2810 -0.21048 2019 11 11 58798 0.1437 0.2806 -0.21157 2019 11 12 58799 0.1422 0.2802 -0.21262 2019 11 13 58800 0.1406 0.2798 -0.21358 2019 11 14 58801 0.1391 0.2794 -0.21442 2019 11 15 58802 0.1375 0.2791 -0.21513 2019 11 16 58803 0.1360 0.2788 -0.21574 2019 11 17 58804 0.1344 0.2785 -0.21632 2019 11 18 58805 0.1329 0.2782 -0.21695 2019 11 19 58806 0.1313 0.2780 -0.21769 2019 11 20 58807 0.1297 0.2777 -0.21862 2019 11 21 58808 0.1281 0.2775 -0.21975 2019 11 22 58809 0.1265 0.2774 -0.22108 2019 11 23 58810 0.1249 0.2772 -0.22252 2019 11 24 58811 0.1233 0.2771 -0.22397 2019 11 25 58812 0.1218 0.2770 -0.22531 2019 11 26 58813 0.1202 0.2769 -0.22647 2019 11 27 58814 0.1186 0.2769 -0.22739 2019 11 28 58815 0.1170 0.2768 -0.22810 2019 11 29 58816 0.1154 0.2768 -0.22865 2019 11 30 58817 0.1137 0.2769 -0.22911 2019 12 1 58818 0.1121 0.2769 -0.22956 2019 12 2 58819 0.1105 0.2770 -0.23006 2019 12 3 58820 0.1089 0.2771 -0.23063 2019 12 4 58821 0.1073 0.2772 -0.23131 2019 12 5 58822 0.1058 0.2774 -0.23209 2019 12 6 58823 0.1042 0.2776 -0.23295 2019 12 7 58824 0.1026 0.2778 -0.23387 2019 12 8 58825 0.1010 0.2780 -0.23480 2019 12 9 58826 0.0994 0.2782 -0.23569 2019 12 10 58827 0.0978 0.2785 -0.23651 2019 12 11 58828 0.0963 0.2788 -0.23722 2019 12 12 58829 0.0947 0.2791 -0.23780 2019 12 13 58830 0.0931 0.2795 -0.23826 2019 12 14 58831 0.0916 0.2799 -0.23867 2019 12 15 58832 0.0900 0.2803 -0.23909 2019 12 16 58833 0.0885 0.2807 -0.23962 2019 12 17 58834 0.0870 0.2811 -0.24031 2019 12 18 58835 0.0854 0.2816 -0.24119 2019 12 19 58836 0.0839 0.2821 -0.24225 2019 12 20 58837 0.0824 0.2826 -0.24342 2019 12 21 58838 0.0809 0.2832 -0.24462 2019 12 22 58839 0.0795 0.2838 -0.24575 2019 12 23 58840 0.0780 0.2843 -0.24671 2019 12 24 58841 0.0765 0.2850 -0.24747 2019 12 25 58842 0.0751 0.2856 -0.24803 2019 12 26 58843 0.0737 0.2863 -0.24842 2019 12 27 58844 0.0722 0.2870 -0.24871 2019 12 28 58845 0.0708 0.2877 -0.24896 2019 12 29 58846 0.0694 0.2884 -0.24925 2019 12 30 58847 0.0680 0.2892 -0.24961 2019 12 31 58848 0.0667 0.2899 -0.25007 2020 1 1 58849 0.0653 0.2907 -0.25063 2020 1 2 58850 0.0640 0.2916 -0.25129 2020 1 3 58851 0.0627 0.2924 -0.25201 2020 1 4 58852 0.0614 0.2933 -0.25275 2020 1 5 58853 0.0601 0.2941 -0.25347 2020 1 6 58854 0.0588 0.2951 -0.25414 2020 1 7 58855 0.0576 0.2960 -0.25471 2020 1 8 58856 0.0563 0.2969 -0.25517 2020 1 9 58857 0.0551 0.2979 -0.25552 2020 1 10 58858 0.0539 0.2989 -0.25579 2020 1 11 58859 0.0528 0.2999 -0.25606 2020 1 12 58860 0.0516 0.3009 -0.25641 2020 1 13 58861 0.0505 0.3020 -0.25694 2020 1 14 58862 0.0494 0.3030 -0.25768 2020 1 15 58863 0.0483 0.3041 -0.25863 2020 1 16 58864 0.0472 0.3052 -0.25973 2020 1 17 58865 0.0461 0.3063 -0.26089 2020 1 18 58866 0.0451 0.3075 -0.26202 2020 1 19 58867 0.0441 0.3086 -0.26304 2020 1 20 58868 0.0431 0.3098 -0.26392 2020 1 21 58869 0.0421 0.3110 -0.26465 2020 1 22 58870 0.0412 0.3122 -0.26525 2020 1 23 58871 0.0403 0.3134 -0.26576 2020 1 24 58872 0.0394 0.3146 -0.26625 2020 1 25 58873 0.0385 0.3159 -0.26676 2020 1 26 58874 0.0377 0.3171 -0.26733 2020 1 27 58875 0.0369 0.3184 -0.26798 2020 1 28 58876 0.0361 0.3197 -0.26872 2020 1 29 58877 0.0353 0.3210 -0.26955 2020 1 30 58878 0.0346 0.3223 -0.27043 2020 1 31 58879 0.0338 0.3236 -0.27133 2020 2 1 58880 0.0331 0.3250 -0.27224 2020 2 2 58881 0.0325 0.3263 -0.27310 2020 2 3 58882 0.0318 0.3277 -0.27390 2020 2 4 58883 0.0312 0.3291 -0.27461 2020 2 5 58884 0.0306 0.3305 -0.27522 2020 2 6 58885 0.0301 0.3319 -0.27573 2020 2 7 58886 0.0296 0.3333 -0.27620 2020 2 8 58887 0.0290 0.3347 -0.27671 2020 2 9 58888 0.0286 0.3361 -0.27735 2020 2 10 58889 0.0281 0.3376 -0.27821 2020 2 11 58890 0.0277 0.3390 -0.27930 2020 2 12 58891 0.0273 0.3405 -0.28056 2020 2 13 58892 0.0269 0.3419 -0.28190 2020 2 14 58893 0.0266 0.3434 -0.28320 2020 2 15 58894 0.0263 0.3449 -0.28439 2020 2 16 58895 0.0260 0.3463 -0.28542 2020 2 17 58896 0.0258 0.3478 -0.28629 2020 2 18 58897 0.0256 0.3493 -0.28700 2020 2 19 58898 0.0254 0.3508 -0.28757 2020 2 20 58899 0.0252 0.3523 -0.28806 2020 2 21 58900 0.0251 0.3538 -0.28857 2020 2 22 58901 0.0250 0.3553 -0.28916 2020 2 23 58902 0.0249 0.3568 -0.28990 2020 2 24 58903 0.0248 0.3583 -0.29077 2020 2 25 58904 0.0248 0.3599 -0.29173 2020 2 26 58905 0.0248 0.3614 -0.29274 2020 2 27 58906 0.0249 0.3629 -0.29378 2020 2 28 58907 0.0250 0.3644 -0.29483 2020 2 29 58908 0.0251 0.3659 -0.29575 2020 3 1 58909 0.0252 0.3674 -0.29657 2020 3 2 58910 0.0254 0.3690 -0.29732 2020 3 3 58911 0.0255 0.3705 -0.29809 2020 3 4 58912 0.0258 0.3720 -0.29884 2020 3 5 58913 0.0260 0.3735 -0.29960 2020 3 6 58914 0.0263 0.3750 -0.30044 2020 3 7 58915 0.0266 0.3765 -0.30146 2020 3 8 58916 0.0269 0.3780 -0.30274 2020 3 9 58917 0.0273 0.3795 -0.30429 2020 3 10 58918 0.0277 0.3810 -0.30611 2020 3 11 58919 0.0281 0.3825 -0.30811 2020 3 12 58920 0.0286 0.3840 -0.31016 2020 3 13 58921 0.0291 0.3855 -0.31210 2020 3 14 58922 0.0296 0.3870 -0.31377 2020 3 15 58923 0.0301 0.3884 -0.31518 2020 3 16 58924 0.0307 0.3899 -0.31634 2020 3 17 58925 0.0313 0.3913 -0.31733 2020 3 18 58926 0.0319 0.3928 -0.31819 2020 3 19 58927 0.0326 0.3942 -0.31900 2020 3 20 58928 0.0333 0.3956 -0.31988 2020 3 21 58929 0.0340 0.3971 -0.32088 2020 3 22 58930 0.0347 0.3985 -0.32200 2020 3 23 58931 0.0355 0.3999 -0.32323 2020 3 24 58932 0.0363 0.4013 -0.32451 2020 3 25 58933 0.0371 0.4026 -0.32584 2020 3 26 58934 0.0379 0.4040 -0.32712 2020 3 27 58935 0.0388 0.4053 -0.32831 2020 3 28 58936 0.0397 0.4067 -0.32941 2020 3 29 58937 0.0406 0.4080 -0.33032 2020 3 30 58938 0.0416 0.4093 -0.33111 2020 3 31 58939 0.0426 0.4106 -0.33177 2020 4 1 58940 0.0436 0.4119 -0.33236 2020 4 2 58941 0.0446 0.4132 -0.33301 2020 4 3 58942 0.0457 0.4145 -0.33382 2020 4 4 58943 0.0467 0.4157 -0.33484 2020 4 5 58944 0.0478 0.4169 -0.33611 2020 4 6 58945 0.0490 0.4181 -0.33769 2020 4 7 58946 0.0501 0.4193 -0.33952 2020 4 8 58947 0.0513 0.4205 -0.34148 2020 4 9 58948 0.0525 0.4217 -0.34340 2020 4 10 58949 0.0537 0.4228 -0.34511 2020 4 11 58950 0.0549 0.4239 -0.34654 2020 4 12 58951 0.0562 0.4250 -0.34767 2020 4 13 58952 0.0575 0.4261 -0.34855 2020 4 14 58953 0.0588 0.4272 -0.34925 2020 4 15 58954 0.0601 0.4282 -0.34986 2020 4 16 58955 0.0615 0.4293 -0.35044 2020 4 17 58956 0.0628 0.4303 -0.35108 2020 4 18 58957 0.0642 0.4313 -0.35184 2020 4 19 58958 0.0656 0.4322 -0.35269 2020 4 20 58959 0.0671 0.4332 -0.35364 2020 4 21 58960 0.0685 0.4341 -0.35468 2020 4 22 58961 0.0700 0.4350 -0.35582 2020 4 23 58962 0.0714 0.4359 -0.35692 2020 4 24 58963 0.0729 0.4368 -0.35796 2020 4 25 58964 0.0745 0.4376 -0.35890 2020 4 26 58965 0.0760 0.4384 -0.35971 2020 4 27 58966 0.0775 0.4392 -0.36041 2020 4 28 58967 0.0791 0.4400 -0.36104 2020 4 29 58968 0.0807 0.4407 -0.36161 2020 4 30 58969 0.0823 0.4415 -0.36222 2020 5 1 58970 0.0839 0.4422 -0.36299 2020 5 2 58971 0.0855 0.4428 -0.36388 2020 5 3 58972 0.0871 0.4435 -0.36499 2020 5 4 58973 0.0888 0.4441 -0.36635 2020 5 5 58974 0.0904 0.4447 -0.36788 2020 5 6 58975 0.0921 0.4453 -0.36944 2020 5 7 58976 0.0938 0.4458 -0.37086 2020 5 8 58977 0.0955 0.4464 -0.37203 2020 5 9 58978 0.0972 0.4469 -0.37290 2020 5 10 58979 0.0989 0.4473 -0.37347 2020 5 11 58980 0.1006 0.4478 -0.37389 2020 5 12 58981 0.1023 0.4482 -0.37421 2020 5 13 58982 0.1041 0.4486 -0.37446 2020 5 14 58983 0.1058 0.4490 -0.37474 2020 5 15 58984 0.1075 0.4493 -0.37511 2020 5 16 58985 0.1093 0.4496 -0.37555 2020 5 17 58986 0.1111 0.4499 -0.37602 2020 5 18 58987 0.1128 0.4502 -0.37657 2020 5 19 58988 0.1146 0.4504 -0.37716 2020 5 20 58989 0.1164 0.4506 -0.37770 2020 5 21 58990 0.1182 0.4508 -0.37819 2020 5 22 58991 0.1200 0.4509 -0.37859 2020 5 23 58992 0.1218 0.4511 -0.37888 2020 5 24 58993 0.1236 0.4512 -0.37908 2020 5 25 58994 0.1254 0.4512 -0.37919 2020 5 26 58995 0.1272 0.4513 -0.37923 2020 5 27 58996 0.1290 0.4513 -0.37922 2020 5 28 58997 0.1308 0.4513 -0.37925 2020 5 29 58998 0.1326 0.4512 -0.37941 2020 5 30 58999 0.1344 0.4512 -0.37979 2020 5 31 59000 0.1362 0.4511 -0.38035 2020 6 1 59001 0.1380 0.4509 -0.38107 2020 6 2 59002 0.1397 0.4508 -0.38186 2020 6 3 59003 0.1415 0.4506 -0.38261 2020 6 4 59004 0.1433 0.4504 -0.38323 2020 6 5 59005 0.1451 0.4501 -0.38364 2020 6 6 59006 0.1469 0.4499 -0.38376 2020 6 7 59007 0.1487 0.4496 -0.38368 2020 6 8 59008 0.1504 0.4493 -0.38354 2020 6 9 59009 0.1522 0.4489 -0.38343 2020 6 10 59010 0.1540 0.4485 -0.38333 2020 6 11 59011 0.1557 0.4481 -0.38325 2020 6 12 59012 0.1574 0.4477 -0.38330 2020 6 13 59013 0.1592 0.4472 -0.38352 2020 6 14 59014 0.1609 0.4467 -0.38382 2020 6 15 59015 0.1626 0.4462 -0.38416 2020 6 16 59016 0.1643 0.4457 -0.38449 2020 6 17 59017 0.1660 0.4451 -0.38473 2020 6 18 59018 0.1677 0.4445 -0.38485 2020 6 19 59019 0.1694 0.4439 -0.38488 2020 6 20 59020 0.1710 0.4433 -0.38476 2020 6 21 59021 0.1727 0.4426 -0.38453 2020 6 22 59022 0.1743 0.4419 -0.38421 2020 6 23 59023 0.1760 0.4412 -0.38392 2020 6 24 59024 0.1776 0.4404 -0.38378 2020 6 25 59025 0.1792 0.4396 -0.38380 2020 6 26 59026 0.1807 0.4388 -0.38399 2020 6 27 59027 0.1823 0.4380 -0.38435 2020 6 28 59028 0.1839 0.4371 -0.38485 2020 6 29 59029 0.1854 0.4363 -0.38542 2020 6 30 59030 0.1869 0.4354 -0.38599 2020 7 1 59031 0.1884 0.4344 -0.38642 2020 7 2 59032 0.1899 0.4335 -0.38667 2020 7 3 59033 0.1914 0.4325 -0.38672 2020 7 4 59034 0.1928 0.4315 -0.38659 2020 7 5 59035 0.1942 0.4305 -0.38632 2020 7 6 59036 0.1956 0.4295 -0.38599 2020 7 7 59037 0.1970 0.4284 -0.38570 2020 7 8 59038 0.1984 0.4273 -0.38556 2020 7 9 59039 0.1997 0.4262 -0.38558 2020 7 10 59040 0.2011 0.4251 -0.38578 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) 58656 -108.36 0.09 -11.33 0.26 58657 -108.53 0.11 -11.37 0.25 58658 -108.59 0.11 -11.43 0.25 58659 -108.61 0.28 -11.42 0.20 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58656 0.039 0.035 -0.271 0.255 58657 0.051 0.044 -0.266 0.251 58658 0.066 0.044 -0.259 0.251 58659 0.083 0.112 -0.250 0.203 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).