********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 25 July 2019 Vol. XXXII No. 030 ______________________________________________________________________ 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 * * https://maia.usno.navy.mil * * and from the backup EO server at: * * http://toshi.nofs.navy.mil ftp://toshi.nofs.navy.mil * * https://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 19 58683 0.18245 .00009 0.40449 .00009 -0.166282 0.000023 19 7 20 58684 0.18307 .00009 0.40354 .00009 -0.165631 0.000021 19 7 21 58685 0.18373 .00009 0.40243 .00009 -0.165131 0.000020 19 7 22 58686 0.18462 .00009 0.40132 .00009 -0.164656 0.000010 19 7 23 58687 0.18595 .00009 0.40031 .00009 -0.164235 0.000010 19 7 24 58688 0.18769 .00009 0.39935 .00009 -0.163906 0.000009 19 7 25 58689 0.18961 .00009 0.39831 .00009 -0.163581 0.000006 _______________________________________________________________________ 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 = 0.1329 + 0.0689 cos A + 0.0560 sin A - 0.0093 cos C + 0.0037 sin C y = 0.3483 + 0.0501 cos A - 0.0600 sin A + 0.0037 cos C + 0.0093 sin C UT1-UTC = -0.1628 - 0.00060 (MJD - 58697) - (UT2-UT1) where A = 2*pi*(MJD-58689)/365.25 and C = 2*pi*(MJD-58689)/435. TAI-UTC(MJD 58690) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58689)**0.80 S t = 0.00025 (MJD-58689)**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 26 58690 0.1913 0.3974 -0.16323 2019 7 27 58691 0.1927 0.3965 -0.16283 2019 7 28 58692 0.1938 0.3956 -0.16239 2019 7 29 58693 0.1947 0.3947 -0.16186 2019 7 30 58694 0.1956 0.3936 -0.16126 2019 7 31 58695 0.1964 0.3926 -0.16066 2019 8 1 58696 0.1972 0.3914 -0.16016 2019 8 2 58697 0.1981 0.3903 -0.15985 2019 8 3 58698 0.1990 0.3892 -0.15975 2019 8 4 58699 0.1998 0.3881 -0.15986 2019 8 5 58700 0.2005 0.3871 -0.16008 2019 8 6 58701 0.2012 0.3860 -0.16029 2019 8 7 58702 0.2018 0.3848 -0.16038 2019 8 8 58703 0.2024 0.3836 -0.16030 2019 8 9 58704 0.2030 0.3824 -0.16003 2019 8 10 58705 0.2036 0.3812 -0.15957 2019 8 11 58706 0.2042 0.3800 -0.15896 2019 8 12 58707 0.2047 0.3787 -0.15825 2019 8 13 58708 0.2052 0.3775 -0.15752 2019 8 14 58709 0.2056 0.3762 -0.15682 2019 8 15 58710 0.2060 0.3750 -0.15620 2019 8 16 58711 0.2063 0.3737 -0.15569 2019 8 17 58712 0.2066 0.3724 -0.15530 2019 8 18 58713 0.2069 0.3711 -0.15505 2019 8 19 58714 0.2072 0.3697 -0.15492 2019 8 20 58715 0.2075 0.3684 -0.15487 2019 8 21 58716 0.2078 0.3671 -0.15487 2019 8 22 58717 0.2080 0.3658 -0.15488 2019 8 23 58718 0.2082 0.3644 -0.15487 2019 8 24 58719 0.2084 0.3631 -0.15482 2019 8 25 58720 0.2085 0.3618 -0.15470 2019 8 26 58721 0.2087 0.3604 -0.15453 2019 8 27 58722 0.2088 0.3591 -0.15437 2019 8 28 58723 0.2088 0.3577 -0.15429 2019 8 29 58724 0.2089 0.3564 -0.15439 2019 8 30 58725 0.2089 0.3550 -0.15473 2019 8 31 58726 0.2089 0.3537 -0.15534 2019 9 1 58727 0.2088 0.3523 -0.15614 2019 9 2 58728 0.2088 0.3510 -0.15702 2019 9 3 58729 0.2087 0.3497 -0.15786 2019 9 4 58730 0.2085 0.3483 -0.15854 2019 9 5 58731 0.2084 0.3470 -0.15901 2019 9 6 58732 0.2082 0.3456 -0.15928 2019 9 7 58733 0.2080 0.3443 -0.15939 2019 9 8 58734 0.2078 0.3430 -0.15940 2019 9 9 58735 0.2075 0.3416 -0.15937 2019 9 10 58736 0.2073 0.3403 -0.15937 2019 9 11 58737 0.2069 0.3390 -0.15944 2019 9 12 58738 0.2066 0.3377 -0.15962 2019 9 13 58739 0.2062 0.3363 -0.15991 2019 9 14 58740 0.2058 0.3350 -0.16034 2019 9 15 58741 0.2054 0.3337 -0.16087 2019 9 16 58742 0.2050 0.3324 -0.16148 2019 9 17 58743 0.2045 0.3311 -0.16212 2019 9 18 58744 0.2040 0.3298 -0.16275 2019 9 19 58745 0.2034 0.3286 -0.16333 2019 9 20 58746 0.2029 0.3273 -0.16383 2019 9 21 58747 0.2023 0.3260 -0.16424 2019 9 22 58748 0.2017 0.3248 -0.16458 2019 9 23 58749 0.2011 0.3235 -0.16487 2019 9 24 58750 0.2004 0.3223 -0.16520 2019 9 25 58751 0.1997 0.3211 -0.16565 2019 9 26 58752 0.1990 0.3198 -0.16631 2019 9 27 58753 0.1983 0.3186 -0.16724 2019 9 28 58754 0.1975 0.3174 -0.16841 2019 9 29 58755 0.1967 0.3162 -0.16973 2019 9 30 58756 0.1959 0.3151 -0.17109 2019 10 1 58757 0.1951 0.3139 -0.17233 2019 10 2 58758 0.1942 0.3127 -0.17337 2019 10 3 58759 0.1933 0.3116 -0.17418 2019 10 4 58760 0.1924 0.3105 -0.17478 2019 10 5 58761 0.1915 0.3093 -0.17523 2019 10 6 58762 0.1905 0.3082 -0.17560 2019 10 7 58763 0.1896 0.3071 -0.17596 2019 10 8 58764 0.1886 0.3061 -0.17638 2019 10 9 58765 0.1876 0.3050 -0.17688 2019 10 10 58766 0.1865 0.3040 -0.17749 2019 10 11 58767 0.1855 0.3029 -0.17822 2019 10 12 58768 0.1844 0.3019 -0.17907 2019 10 13 58769 0.1833 0.3009 -0.17999 2019 10 14 58770 0.1821 0.2999 -0.18094 2019 10 15 58771 0.1810 0.2990 -0.18189 2019 10 16 58772 0.1798 0.2980 -0.18278 2019 10 17 58773 0.1786 0.2971 -0.18358 2019 10 18 58774 0.1774 0.2962 -0.18426 2019 10 19 58775 0.1762 0.2953 -0.18485 2019 10 20 58776 0.1750 0.2944 -0.18537 2019 10 21 58777 0.1737 0.2936 -0.18589 2019 10 22 58778 0.1724 0.2927 -0.18650 2019 10 23 58779 0.1712 0.2919 -0.18728 2019 10 24 58780 0.1698 0.2911 -0.18829 2019 10 25 58781 0.1685 0.2903 -0.18955 2019 10 26 58782 0.1672 0.2896 -0.19101 2019 10 27 58783 0.1658 0.2888 -0.19257 2019 10 28 58784 0.1644 0.2881 -0.19410 2019 10 29 58785 0.1631 0.2874 -0.19548 2019 10 30 58786 0.1616 0.2867 -0.19663 2019 10 31 58787 0.1602 0.2861 -0.19755 2019 11 1 58788 0.1588 0.2854 -0.19828 2019 11 2 58789 0.1574 0.2848 -0.19889 2019 11 3 58790 0.1559 0.2842 -0.19945 2019 11 4 58791 0.1544 0.2837 -0.20003 2019 11 5 58792 0.1529 0.2831 -0.20069 2019 11 6 58793 0.1515 0.2826 -0.20144 2019 11 7 58794 0.1500 0.2821 -0.20231 2019 11 8 58795 0.1484 0.2816 -0.20329 2019 11 9 58796 0.1469 0.2812 -0.20435 2019 11 10 58797 0.1454 0.2807 -0.20546 2019 11 11 58798 0.1438 0.2803 -0.20653 2019 11 12 58799 0.1423 0.2799 -0.20755 2019 11 13 58800 0.1407 0.2796 -0.20847 2019 11 14 58801 0.1392 0.2792 -0.20927 2019 11 15 58802 0.1376 0.2789 -0.20995 2019 11 16 58803 0.1360 0.2786 -0.21054 2019 11 17 58804 0.1344 0.2784 -0.21109 2019 11 18 58805 0.1328 0.2781 -0.21168 2019 11 19 58806 0.1312 0.2779 -0.21240 2019 11 20 58807 0.1296 0.2777 -0.21330 2019 11 21 58808 0.1280 0.2776 -0.21441 2019 11 22 58809 0.1264 0.2774 -0.21571 2019 11 23 58810 0.1248 0.2773 -0.21714 2019 11 24 58811 0.1232 0.2772 -0.21857 2019 11 25 58812 0.1215 0.2771 -0.21991 2019 11 26 58813 0.1199 0.2771 -0.22105 2019 11 27 58814 0.1183 0.2771 -0.22196 2019 11 28 58815 0.1167 0.2771 -0.22266 2019 11 29 58816 0.1151 0.2771 -0.22320 2019 11 30 58817 0.1134 0.2772 -0.22366 2019 12 1 58818 0.1118 0.2773 -0.22410 2019 12 2 58819 0.1102 0.2774 -0.22459 2019 12 3 58820 0.1086 0.2775 -0.22515 2019 12 4 58821 0.1069 0.2777 -0.22582 2019 12 5 58822 0.1053 0.2779 -0.22659 2019 12 6 58823 0.1037 0.2781 -0.22744 2019 12 7 58824 0.1021 0.2783 -0.22835 2019 12 8 58825 0.1005 0.2786 -0.22927 2019 12 9 58826 0.0989 0.2788 -0.23016 2019 12 10 58827 0.0973 0.2792 -0.23097 2019 12 11 58828 0.0957 0.2795 -0.23167 2019 12 12 58829 0.0941 0.2798 -0.23224 2019 12 13 58830 0.0926 0.2802 -0.23271 2019 12 14 58831 0.0910 0.2806 -0.23311 2019 12 15 58832 0.0894 0.2811 -0.23353 2019 12 16 58833 0.0879 0.2815 -0.23405 2019 12 17 58834 0.0863 0.2820 -0.23473 2019 12 18 58835 0.0848 0.2825 -0.23561 2019 12 19 58836 0.0833 0.2831 -0.23667 2019 12 20 58837 0.0818 0.2836 -0.23784 2019 12 21 58838 0.0803 0.2842 -0.23903 2019 12 22 58839 0.0788 0.2848 -0.24015 2019 12 23 58840 0.0773 0.2854 -0.24112 2019 12 24 58841 0.0758 0.2861 -0.24188 2019 12 25 58842 0.0744 0.2867 -0.24243 2019 12 26 58843 0.0729 0.2874 -0.24282 2019 12 27 58844 0.0715 0.2882 -0.24311 2019 12 28 58845 0.0701 0.2889 -0.24337 2019 12 29 58846 0.0687 0.2897 -0.24366 2019 12 30 58847 0.0673 0.2904 -0.24403 2019 12 31 58848 0.0659 0.2913 -0.24450 2020 1 1 58849 0.0646 0.2921 -0.24508 2020 1 2 58850 0.0632 0.2929 -0.24575 2020 1 3 58851 0.0619 0.2938 -0.24649 2020 1 4 58852 0.0606 0.2947 -0.24726 2020 1 5 58853 0.0593 0.2956 -0.24801 2020 1 6 58854 0.0580 0.2965 -0.24871 2020 1 7 58855 0.0568 0.2975 -0.24932 2020 1 8 58856 0.0555 0.2985 -0.24982 2020 1 9 58857 0.0543 0.2995 -0.25021 2020 1 10 58858 0.0531 0.3005 -0.25053 2020 1 11 58859 0.0519 0.3015 -0.25086 2020 1 12 58860 0.0508 0.3026 -0.25127 2020 1 13 58861 0.0497 0.3037 -0.25185 2020 1 14 58862 0.0485 0.3047 -0.25265 2020 1 15 58863 0.0474 0.3059 -0.25364 2020 1 16 58864 0.0464 0.3070 -0.25476 2020 1 17 58865 0.0453 0.3081 -0.25592 2020 1 18 58866 0.0443 0.3093 -0.25700 2020 1 19 58867 0.0433 0.3105 -0.25792 2020 1 20 58868 0.0423 0.3117 -0.25865 2020 1 21 58869 0.0414 0.3129 -0.25917 2020 1 22 58870 0.0404 0.3141 -0.25952 2020 1 23 58871 0.0395 0.3153 -0.25975 2020 1 24 58872 0.0386 0.3166 -0.25994 2020 1 25 58873 0.0378 0.3179 -0.26014 2020 1 26 58874 0.0369 0.3192 -0.26040 2020 1 27 58875 0.0361 0.3205 -0.26076 2020 1 28 58876 0.0353 0.3218 -0.26122 2020 1 29 58877 0.0346 0.3231 -0.26179 2020 1 30 58878 0.0338 0.3244 -0.26243 2020 1 31 58879 0.0331 0.3258 -0.26313 2020 2 1 58880 0.0324 0.3271 -0.26386 2020 2 2 58881 0.0318 0.3285 -0.26458 2020 2 3 58882 0.0311 0.3299 -0.26527 2020 2 4 58883 0.0305 0.3313 -0.26592 2020 2 5 58884 0.0300 0.3327 -0.26653 2020 2 6 58885 0.0294 0.3341 -0.26712 2020 2 7 58886 0.0289 0.3356 -0.26774 2020 2 8 58887 0.0284 0.3370 -0.26846 2020 2 9 58888 0.0280 0.3384 -0.26937 2020 2 10 58889 0.0275 0.3399 -0.27053 2020 2 11 58890 0.0271 0.3414 -0.27194 2020 2 12 58891 0.0267 0.3428 -0.27353 2020 2 13 58892 0.0264 0.3443 -0.27519 2020 2 14 58893 0.0261 0.3458 -0.27679 2020 2 15 58894 0.0258 0.3473 -0.27823 2020 2 16 58895 0.0255 0.3488 -0.27944 2020 2 17 58896 0.0253 0.3503 -0.28041 2020 2 18 58897 0.0251 0.3518 -0.28117 2020 2 19 58898 0.0249 0.3533 -0.28177 2020 2 20 58899 0.0248 0.3548 -0.28230 2020 2 21 58900 0.0247 0.3563 -0.28283 2020 2 22 58901 0.0246 0.3578 -0.28341 2020 2 23 58902 0.0245 0.3594 -0.28411 2020 2 24 58903 0.0245 0.3609 -0.28494 2020 2 25 58904 0.0245 0.3624 -0.28592 2020 2 26 58905 0.0245 0.3639 -0.28702 2020 2 27 58906 0.0246 0.3655 -0.28821 2020 2 28 58907 0.0247 0.3670 -0.28943 2020 2 29 58908 0.0248 0.3685 -0.29062 2020 3 1 58909 0.0250 0.3700 -0.29175 2020 3 2 58910 0.0252 0.3716 -0.29278 2020 3 3 58911 0.0254 0.3731 -0.29367 2020 3 4 58912 0.0256 0.3746 -0.29442 2020 3 5 58913 0.0259 0.3761 -0.29510 2020 3 6 58914 0.0262 0.3776 -0.29581 2020 3 7 58915 0.0265 0.3792 -0.29659 2020 3 8 58916 0.0269 0.3807 -0.29758 2020 3 9 58917 0.0273 0.3822 -0.29884 2020 3 10 58918 0.0277 0.3837 -0.30036 2020 3 11 58919 0.0282 0.3852 -0.30202 2020 3 12 58920 0.0287 0.3866 -0.30367 2020 3 13 58921 0.0292 0.3881 -0.30522 2020 3 14 58922 0.0297 0.3896 -0.30658 2020 3 15 58923 0.0303 0.3911 -0.30777 2020 3 16 58924 0.0309 0.3925 -0.30881 2020 3 17 58925 0.0315 0.3940 -0.30968 2020 3 18 58926 0.0322 0.3954 -0.31044 2020 3 19 58927 0.0329 0.3969 -0.31117 2020 3 20 58928 0.0336 0.3983 -0.31195 2020 3 21 58929 0.0343 0.3997 -0.31283 2020 3 22 58930 0.0351 0.4011 -0.31387 2020 3 23 58931 0.0359 0.4025 -0.31504 2020 3 24 58932 0.0367 0.4039 -0.31626 2020 3 25 58933 0.0376 0.4053 -0.31751 2020 3 26 58934 0.0384 0.4066 -0.31874 2020 3 27 58935 0.0393 0.4080 -0.31994 2020 3 28 58936 0.0403 0.4093 -0.32097 2020 3 29 58937 0.0412 0.4106 -0.32186 2020 3 30 58938 0.0422 0.4119 -0.32265 2020 3 31 58939 0.0432 0.4132 -0.32346 2020 4 1 58940 0.0443 0.4145 -0.32426 2020 4 2 58941 0.0453 0.4158 -0.32510 2020 4 3 58942 0.0464 0.4170 -0.32607 2020 4 4 58943 0.0475 0.4183 -0.32725 2020 4 5 58944 0.0487 0.4195 -0.32872 2020 4 6 58945 0.0498 0.4207 -0.33046 2020 4 7 58946 0.0510 0.4219 -0.33245 2020 4 8 58947 0.0522 0.4230 -0.33455 2020 4 9 58948 0.0534 0.4242 -0.33663 2020 4 10 58949 0.0547 0.4253 -0.33852 2020 4 11 58950 0.0560 0.4264 -0.34012 2020 4 12 58951 0.0573 0.4275 -0.34143 2020 4 13 58952 0.0586 0.4286 -0.34250 2020 4 14 58953 0.0599 0.4297 -0.34342 2020 4 15 58954 0.0613 0.4307 -0.34425 2020 4 16 58955 0.0627 0.4317 -0.34506 2020 4 17 58956 0.0641 0.4327 -0.34596 2020 4 18 58957 0.0655 0.4337 -0.34698 2020 4 19 58958 0.0669 0.4347 -0.34810 2020 4 20 58959 0.0684 0.4356 -0.34931 2020 4 21 58960 0.0699 0.4365 -0.35053 2020 4 22 58961 0.0714 0.4374 -0.35176 2020 4 23 58962 0.0729 0.4383 -0.35288 2020 4 24 58963 0.0744 0.4391 -0.35388 2020 4 25 58964 0.0759 0.4399 -0.35473 2020 4 26 58965 0.0775 0.4407 -0.35537 2020 4 27 58966 0.0791 0.4415 -0.35587 2020 4 28 58967 0.0807 0.4423 -0.35625 2020 4 29 58968 0.0823 0.4430 -0.35658 2020 4 30 58969 0.0839 0.4437 -0.35702 2020 5 1 58970 0.0856 0.4444 -0.35764 2020 5 2 58971 0.0872 0.4450 -0.35850 2020 5 3 58972 0.0889 0.4457 -0.35960 2020 5 4 58973 0.0905 0.4463 -0.36096 2020 5 5 58974 0.0922 0.4469 -0.36252 2020 5 6 58975 0.0939 0.4474 -0.36413 2020 5 7 58976 0.0957 0.4479 -0.36563 2020 5 8 58977 0.0974 0.4484 -0.36687 2020 5 9 58978 0.0991 0.4489 -0.36782 2020 5 10 58979 0.1009 0.4494 -0.36849 2020 5 11 58980 0.1026 0.4498 -0.36893 2020 5 12 58981 0.1044 0.4502 -0.36924 2020 5 13 58982 0.1061 0.4506 -0.36949 2020 5 14 58983 0.1079 0.4509 -0.36973 2020 5 15 58984 0.1097 0.4512 -0.37006 2020 5 16 58985 0.1115 0.4515 -0.37049 2020 5 17 58986 0.1133 0.4518 -0.37099 2020 5 18 58987 0.1151 0.4520 -0.37156 2020 5 19 58988 0.1169 0.4522 -0.37218 2020 5 20 58989 0.1187 0.4524 -0.37286 2020 5 21 58990 0.1205 0.4526 -0.37346 2020 5 22 58991 0.1223 0.4527 -0.37396 2020 5 23 58992 0.1242 0.4528 -0.37433 2020 5 24 58993 0.1260 0.4529 -0.37457 2020 5 25 58994 0.1278 0.4529 -0.37470 2020 5 26 58995 0.1296 0.4529 -0.37479 2020 5 27 58996 0.1315 0.4529 -0.37486 2020 5 28 58997 0.1333 0.4529 -0.37504 2020 5 29 58998 0.1351 0.4528 -0.37540 2020 5 30 58999 0.1370 0.4527 -0.37590 2020 5 31 59000 0.1388 0.4526 -0.37659 2020 6 1 59001 0.1406 0.4524 -0.37746 2020 6 2 59002 0.1424 0.4523 -0.37841 2020 6 3 59003 0.1442 0.4521 -0.37931 2020 6 4 59004 0.1460 0.4518 -0.38002 2020 6 5 59005 0.1479 0.4516 -0.38046 2020 6 6 59006 0.1497 0.4513 -0.38062 2020 6 7 59007 0.1515 0.4509 -0.38053 2020 6 8 59008 0.1533 0.4506 -0.38035 2020 6 9 59009 0.1550 0.4502 -0.38011 2020 6 10 59010 0.1568 0.4498 -0.37986 2020 6 11 59011 0.1586 0.4494 -0.37966 2020 6 12 59012 0.1604 0.4489 -0.37956 2020 6 13 59013 0.1621 0.4484 -0.37954 2020 6 14 59014 0.1639 0.4479 -0.37953 2020 6 15 59015 0.1656 0.4474 -0.37957 2020 6 16 59016 0.1673 0.4468 -0.37962 2020 6 17 59017 0.1690 0.4462 -0.37958 2020 6 18 59018 0.1708 0.4456 -0.37947 2020 6 19 59019 0.1724 0.4450 -0.37925 2020 6 20 59020 0.1741 0.4443 -0.37894 2020 6 21 59021 0.1758 0.4436 -0.37854 2020 6 22 59022 0.1775 0.4429 -0.37810 2020 6 23 59023 0.1791 0.4421 -0.37764 2020 6 24 59024 0.1807 0.4413 -0.37721 2020 6 25 59025 0.1823 0.4405 -0.37688 2020 6 26 59026 0.1839 0.4397 -0.37672 2020 6 27 59027 0.1855 0.4389 -0.37678 2020 6 28 59028 0.1871 0.4380 -0.37698 2020 6 29 59029 0.1886 0.4371 -0.37725 2020 6 30 59030 0.1902 0.4362 -0.37750 2020 7 1 59031 0.1917 0.4352 -0.37764 2020 7 2 59032 0.1932 0.4342 -0.37761 2020 7 3 59033 0.1947 0.4332 -0.37739 2020 7 4 59034 0.1961 0.4322 -0.37694 2020 7 5 59035 0.1976 0.4312 -0.37635 2020 7 6 59036 0.1990 0.4301 -0.37579 2020 7 7 59037 0.2004 0.4290 -0.37532 2020 7 8 59038 0.2017 0.4279 -0.37490 2020 7 9 59039 0.2031 0.4268 -0.37454 2020 7 10 59040 0.2044 0.4256 -0.37431 2020 7 11 59041 0.2058 0.4244 -0.37426 2020 7 12 59042 0.2070 0.4232 -0.37428 2020 7 13 59043 0.2083 0.4220 -0.37431 2020 7 14 59044 0.2096 0.4208 -0.37431 2020 7 15 59045 0.2108 0.4195 -0.37421 2020 7 16 59046 0.2120 0.4182 -0.37398 2020 7 17 59047 0.2131 0.4169 -0.37367 2020 7 18 59048 0.2143 0.4156 -0.37324 2020 7 19 59049 0.2154 0.4143 -0.37273 2020 7 20 59050 0.2165 0.4129 -0.37220 2020 7 21 59051 0.2176 0.4116 -0.37178 2020 7 22 59052 0.2186 0.4102 -0.37159 2020 7 23 59053 0.2196 0.4088 -0.37164 2020 7 24 59054 0.2206 0.4074 -0.37188 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) 58663 -110.86 0.00 -10.78 0.20 58664 -111.04 0.03 -10.74 0.28 58665 -111.00 0.03 -10.86 0.28 58666 -111.00 0.03 -11.11 0.34 58667 -111.06 0.08 -11.33 0.30 58668 -111.02 0.08 -11.37 0.30 58669 -110.88 0.08 -11.22 0.30 58670 -110.82 0.12 -11.05 0.24 58671 -110.94 0.10 -11.00 0.24 58672 -111.18 0.10 -11.06 0.24 58673 -111.37 0.08 -11.13 0.23 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58663 0.035 0.009 -0.246 0.199 58664 0.031 0.011 -0.253 0.276 58665 0.028 0.011 -0.259 0.276 58666 0.026 0.012 -0.264 0.339 58667 0.023 0.031 -0.265 0.304 58668 0.021 0.031 -0.262 0.304 58669 0.017 0.031 -0.257 0.304 58670 0.011 0.047 -0.250 0.244 58671 0.004 0.039 -0.242 0.238 58672 -0.005 0.039 -0.234 0.238 58673 -0.014 0.030 -0.225 0.233 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).