********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 16 May 2019 Vol. XXXII No. 020 ______________________________________________________________________ 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 10 58613 0.08314 .00009 0.41739 .00009 -0.155830 0.000017 19 5 11 58614 0.08427 .00009 0.41802 .00009 -0.156395 0.000016 19 5 12 58615 0.08510 .00009 0.41853 .00009 -0.157090 0.000017 19 5 13 58616 0.08584 .00009 0.41883 .00009 -0.157935 0.000017 19 5 14 58617 0.08664 .00009 0.41914 .00009 -0.158965 0.000018 19 5 15 58618 0.08769 .00009 0.41969 .00009 -0.160142 0.000018 19 5 16 58619 0.08900 .00009 0.42045 .00009 -0.161370 0.000055 _______________________________________________________________________ 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 = 0.1186 - 0.0117 cos A + 0.0856 sin A - 0.0235 cos C - 0.0165 sin C y = 0.3585 + 0.0771 cos A + 0.0068 sin A - 0.0165 cos C + 0.0235 sin C UT1-UTC = -0.1248 - 0.00064 (MJD - 58627) - (UT2-UT1) where A = 2*pi*(MJD-58619)/365.25 and C = 2*pi*(MJD-58619)/435. TAI-UTC(MJD 58620) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58619)**0.80 S t = 0.00025 (MJD-58619)**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 17 58620 0.0904 0.4212 -0.16262 2019 5 18 58621 0.0917 0.4219 -0.16373 2019 5 19 58622 0.0930 0.4225 -0.16461 2019 5 20 58623 0.0943 0.4230 -0.16525 2019 5 21 58624 0.0955 0.4235 -0.16571 2019 5 22 58625 0.0968 0.4240 -0.16605 2019 5 23 58626 0.0981 0.4244 -0.16632 2019 5 24 58627 0.0995 0.4247 -0.16658 2019 5 25 58628 0.1010 0.4251 -0.16688 2019 5 26 58629 0.1025 0.4254 -0.16723 2019 5 27 58630 0.1039 0.4258 -0.16767 2019 5 28 58631 0.1054 0.4261 -0.16821 2019 5 29 58632 0.1069 0.4264 -0.16880 2019 5 30 58633 0.1083 0.4267 -0.16942 2019 5 31 58634 0.1098 0.4269 -0.17003 2019 6 1 58635 0.1113 0.4271 -0.17060 2019 6 2 58636 0.1128 0.4273 -0.17107 2019 6 3 58637 0.1143 0.4274 -0.17138 2019 6 4 58638 0.1159 0.4276 -0.17154 2019 6 5 58639 0.1174 0.4277 -0.17159 2019 6 6 58640 0.1189 0.4278 -0.17158 2019 6 7 58641 0.1204 0.4278 -0.17159 2019 6 8 58642 0.1220 0.4279 -0.17170 2019 6 9 58643 0.1235 0.4279 -0.17194 2019 6 10 58644 0.1250 0.4279 -0.17231 2019 6 11 58645 0.1265 0.4278 -0.17278 2019 6 12 58646 0.1281 0.4278 -0.17329 2019 6 13 58647 0.1296 0.4277 -0.17374 2019 6 14 58648 0.1311 0.4276 -0.17406 2019 6 15 58649 0.1326 0.4274 -0.17420 2019 6 16 58650 0.1342 0.4273 -0.17415 2019 6 17 58651 0.1357 0.4271 -0.17392 2019 6 18 58652 0.1372 0.4269 -0.17354 2019 6 19 58653 0.1387 0.4266 -0.17308 2019 6 20 58654 0.1402 0.4264 -0.17260 2019 6 21 58655 0.1417 0.4261 -0.17214 2019 6 22 58656 0.1431 0.4258 -0.17175 2019 6 23 58657 0.1446 0.4254 -0.17145 2019 6 24 58658 0.1461 0.4251 -0.17125 2019 6 25 58659 0.1475 0.4247 -0.17114 2019 6 26 58660 0.1490 0.4243 -0.17110 2019 6 27 58661 0.1504 0.4238 -0.17108 2019 6 28 58662 0.1519 0.4234 -0.17106 2019 6 29 58663 0.1533 0.4229 -0.17097 2019 6 30 58664 0.1547 0.4224 -0.17079 2019 7 1 58665 0.1561 0.4219 -0.17048 2019 7 2 58666 0.1575 0.4213 -0.17005 2019 7 3 58667 0.1589 0.4207 -0.16955 2019 7 4 58668 0.1603 0.4202 -0.16907 2019 7 5 58669 0.1616 0.4195 -0.16870 2019 7 6 58670 0.1630 0.4189 -0.16849 2019 7 7 58671 0.1643 0.4182 -0.16846 2019 7 8 58672 0.1656 0.4175 -0.16856 2019 7 9 58673 0.1669 0.4168 -0.16873 2019 7 10 58674 0.1682 0.4161 -0.16888 2019 7 11 58675 0.1695 0.4154 -0.16892 2019 7 12 58676 0.1708 0.4146 -0.16880 2019 7 13 58677 0.1720 0.4138 -0.16852 2019 7 14 58678 0.1733 0.4130 -0.16806 2019 7 15 58679 0.1745 0.4122 -0.16748 2019 7 16 58680 0.1757 0.4113 -0.16681 2019 7 17 58681 0.1768 0.4104 -0.16613 2019 7 18 58682 0.1780 0.4096 -0.16548 2019 7 19 58683 0.1792 0.4086 -0.16491 2019 7 20 58684 0.1803 0.4077 -0.16444 2019 7 21 58685 0.1814 0.4068 -0.16409 2019 7 22 58686 0.1825 0.4058 -0.16385 2019 7 23 58687 0.1836 0.4048 -0.16371 2019 7 24 58688 0.1846 0.4038 -0.16363 2019 7 25 58689 0.1856 0.4028 -0.16356 2019 7 26 58690 0.1867 0.4018 -0.16348 2019 7 27 58691 0.1876 0.4007 -0.16334 2019 7 28 58692 0.1886 0.3996 -0.16311 2019 7 29 58693 0.1896 0.3985 -0.16278 2019 7 30 58694 0.1905 0.3974 -0.16238 2019 7 31 58695 0.1914 0.3963 -0.16200 2019 8 1 58696 0.1923 0.3952 -0.16171 2019 8 2 58697 0.1931 0.3940 -0.16161 2019 8 3 58698 0.1940 0.3929 -0.16174 2019 8 4 58699 0.1948 0.3917 -0.16206 2019 8 5 58700 0.1956 0.3905 -0.16250 2019 8 6 58701 0.1964 0.3893 -0.16294 2019 8 7 58702 0.1971 0.3881 -0.16327 2019 8 8 58703 0.1978 0.3869 -0.16344 2019 8 9 58704 0.1985 0.3856 -0.16340 2019 8 10 58705 0.1992 0.3844 -0.16319 2019 8 11 58706 0.1998 0.3831 -0.16283 2019 8 12 58707 0.2005 0.3818 -0.16239 2019 8 13 58708 0.2011 0.3805 -0.16192 2019 8 14 58709 0.2016 0.3792 -0.16149 2019 8 15 58710 0.2022 0.3779 -0.16112 2019 8 16 58711 0.2027 0.3766 -0.16086 2019 8 17 58712 0.2032 0.3753 -0.16072 2019 8 18 58713 0.2037 0.3740 -0.16070 2019 8 19 58714 0.2041 0.3726 -0.16078 2019 8 20 58715 0.2045 0.3713 -0.16093 2019 8 21 58716 0.2049 0.3699 -0.16112 2019 8 22 58717 0.2053 0.3686 -0.16129 2019 8 23 58718 0.2056 0.3672 -0.16143 2019 8 24 58719 0.2059 0.3658 -0.16150 2019 8 25 58720 0.2062 0.3644 -0.16149 2019 8 26 58721 0.2064 0.3630 -0.16143 2019 8 27 58722 0.2067 0.3617 -0.16136 2019 8 28 58723 0.2069 0.3603 -0.16137 2019 8 29 58724 0.2070 0.3589 -0.16155 2019 8 30 58725 0.2072 0.3575 -0.16198 2019 8 31 58726 0.2073 0.3561 -0.16265 2019 9 1 58727 0.2074 0.3546 -0.16351 2019 9 2 58728 0.2075 0.3532 -0.16442 2019 9 3 58729 0.2075 0.3518 -0.16527 2019 9 4 58730 0.2075 0.3504 -0.16596 2019 9 5 58731 0.2075 0.3490 -0.16645 2019 9 6 58732 0.2074 0.3476 -0.16673 2019 9 7 58733 0.2074 0.3462 -0.16684 2019 9 8 58734 0.2072 0.3448 -0.16685 2019 9 9 58735 0.2071 0.3433 -0.16682 2019 9 10 58736 0.2070 0.3419 -0.16681 2019 9 11 58737 0.2068 0.3405 -0.16687 2019 9 12 58738 0.2066 0.3391 -0.16704 2019 9 13 58739 0.2063 0.3377 -0.16733 2019 9 14 58740 0.2060 0.3363 -0.16775 2019 9 15 58741 0.2057 0.3349 -0.16829 2019 9 16 58742 0.2054 0.3335 -0.16890 2019 9 17 58743 0.2051 0.3321 -0.16954 2019 9 18 58744 0.2047 0.3308 -0.17018 2019 9 19 58745 0.2043 0.3294 -0.17077 2019 9 20 58746 0.2038 0.3280 -0.17128 2019 9 21 58747 0.2034 0.3267 -0.17171 2019 9 22 58748 0.2029 0.3253 -0.17207 2019 9 23 58749 0.2024 0.3239 -0.17239 2019 9 24 58750 0.2018 0.3226 -0.17276 2019 9 25 58751 0.2013 0.3213 -0.17326 2019 9 26 58752 0.2007 0.3199 -0.17398 2019 9 27 58753 0.2001 0.3186 -0.17497 2019 9 28 58754 0.1994 0.3173 -0.17620 2019 9 29 58755 0.1987 0.3160 -0.17758 2019 9 30 58756 0.1981 0.3147 -0.17899 2019 10 1 58757 0.1973 0.3135 -0.18030 2019 10 2 58758 0.1966 0.3122 -0.18140 2019 10 3 58759 0.1958 0.3110 -0.18227 2019 10 4 58760 0.1950 0.3097 -0.18293 2019 10 5 58761 0.1942 0.3085 -0.18345 2019 10 6 58762 0.1934 0.3073 -0.18389 2019 10 7 58763 0.1925 0.3061 -0.18432 2019 10 8 58764 0.1916 0.3049 -0.18481 2019 10 9 58765 0.1907 0.3037 -0.18539 2019 10 10 58766 0.1897 0.3025 -0.18608 2019 10 11 58767 0.1888 0.3014 -0.18690 2019 10 12 58768 0.1878 0.3003 -0.18782 2019 10 13 58769 0.1868 0.2991 -0.18883 2019 10 14 58770 0.1858 0.2980 -0.18988 2019 10 15 58771 0.1847 0.2970 -0.19093 2019 10 16 58772 0.1836 0.2959 -0.19192 2019 10 17 58773 0.1826 0.2948 -0.19282 2019 10 18 58774 0.1814 0.2938 -0.19360 2019 10 19 58775 0.1803 0.2928 -0.19429 2019 10 20 58776 0.1792 0.2918 -0.19492 2019 10 21 58777 0.1780 0.2908 -0.19555 2019 10 22 58778 0.1768 0.2899 -0.19626 2019 10 23 58779 0.1756 0.2889 -0.19713 2019 10 24 58780 0.1744 0.2880 -0.19824 2019 10 25 58781 0.1731 0.2871 -0.19958 2019 10 26 58782 0.1718 0.2862 -0.20112 2019 10 27 58783 0.1706 0.2853 -0.20276 2019 10 28 58784 0.1693 0.2845 -0.20436 2019 10 29 58785 0.1679 0.2837 -0.20579 2019 10 30 58786 0.1666 0.2829 -0.20700 2019 10 31 58787 0.1653 0.2821 -0.20798 2019 11 1 58788 0.1639 0.2813 -0.20875 2019 11 2 58789 0.1625 0.2806 -0.20940 2019 11 3 58790 0.1611 0.2799 -0.21001 2019 11 4 58791 0.1597 0.2792 -0.21063 2019 11 5 58792 0.1583 0.2785 -0.21132 2019 11 6 58793 0.1569 0.2779 -0.21210 2019 11 7 58794 0.1554 0.2773 -0.21300 2019 11 8 58795 0.1539 0.2767 -0.21401 2019 11 9 58796 0.1525 0.2761 -0.21511 2019 11 10 58797 0.1510 0.2755 -0.21625 2019 11 11 58798 0.1495 0.2750 -0.21740 2019 11 12 58799 0.1480 0.2745 -0.21851 2019 11 13 58800 0.1465 0.2740 -0.21954 2019 11 14 58801 0.1449 0.2735 -0.22045 2019 11 15 58802 0.1434 0.2731 -0.22125 2019 11 16 58803 0.1419 0.2727 -0.22197 2019 11 17 58804 0.1403 0.2723 -0.22267 2019 11 18 58805 0.1388 0.2720 -0.22343 2019 11 19 58806 0.1372 0.2716 -0.22431 2019 11 20 58807 0.1356 0.2713 -0.22539 2019 11 21 58808 0.1340 0.2710 -0.22668 2019 11 22 58809 0.1324 0.2708 -0.22816 2019 11 23 58810 0.1309 0.2705 -0.22974 2019 11 24 58811 0.1293 0.2703 -0.23131 2019 11 25 58812 0.1277 0.2701 -0.23276 2019 11 26 58813 0.1260 0.2700 -0.23400 2019 11 27 58814 0.1244 0.2699 -0.23502 2019 11 28 58815 0.1228 0.2698 -0.23582 2019 11 29 58816 0.1212 0.2697 -0.23647 2019 11 30 58817 0.1196 0.2696 -0.23705 2019 12 1 58818 0.1180 0.2696 -0.23763 2019 12 2 58819 0.1164 0.2696 -0.23826 2019 12 3 58820 0.1147 0.2696 -0.23897 2019 12 4 58821 0.1131 0.2697 -0.23978 2019 12 5 58822 0.1115 0.2698 -0.24067 2019 12 6 58823 0.1099 0.2699 -0.24162 2019 12 7 58824 0.1083 0.2700 -0.24258 2019 12 8 58825 0.1066 0.2701 -0.24352 2019 12 9 58826 0.1050 0.2703 -0.24439 2019 12 10 58827 0.1034 0.2705 -0.24515 2019 12 11 58828 0.1018 0.2708 -0.24577 2019 12 12 58829 0.1002 0.2710 -0.24625 2019 12 13 58830 0.0986 0.2713 -0.24663 2019 12 14 58831 0.0970 0.2716 -0.24698 2019 12 15 58832 0.0954 0.2720 -0.24737 2019 12 16 58833 0.0939 0.2723 -0.24791 2019 12 17 58834 0.0923 0.2727 -0.24864 2019 12 18 58835 0.0907 0.2732 -0.24958 2019 12 19 58836 0.0892 0.2736 -0.25072 2019 12 20 58837 0.0876 0.2741 -0.25197 2019 12 21 58838 0.0861 0.2746 -0.25322 2019 12 22 58839 0.0845 0.2751 -0.25438 2019 12 23 58840 0.0830 0.2756 -0.25534 2019 12 24 58841 0.0815 0.2762 -0.25605 2019 12 25 58842 0.0800 0.2768 -0.25651 2019 12 26 58843 0.0785 0.2774 -0.25676 2019 12 27 58844 0.0770 0.2780 -0.25690 2019 12 28 58845 0.0755 0.2787 -0.25703 2019 12 29 58846 0.0741 0.2794 -0.25717 2019 12 30 58847 0.0726 0.2801 -0.25740 2019 12 31 58848 0.0712 0.2808 -0.25778 2020 1 1 58849 0.0698 0.2816 -0.25834 2020 1 2 58850 0.0684 0.2824 -0.25899 2020 1 3 58851 0.0670 0.2832 -0.25973 2020 1 4 58852 0.0656 0.2840 -0.26051 2020 1 5 58853 0.0642 0.2849 -0.26129 2020 1 6 58854 0.0629 0.2857 -0.26202 2020 1 7 58855 0.0616 0.2866 -0.26270 2020 1 8 58856 0.0603 0.2876 -0.26326 2020 1 9 58857 0.0590 0.2885 -0.26372 2020 1 10 58858 0.0577 0.2895 -0.26415 2020 1 11 58859 0.0564 0.2905 -0.26450 2020 1 12 58860 0.0552 0.2915 -0.26494 2020 1 13 58861 0.0540 0.2925 -0.26555 2020 1 14 58862 0.0528 0.2935 -0.26640 2020 1 15 58863 0.0516 0.2946 -0.26744 2020 1 16 58864 0.0504 0.2957 -0.26859 2020 1 17 58865 0.0493 0.2968 -0.26977 2020 1 18 58866 0.0482 0.2979 -0.27085 2020 1 19 58867 0.0471 0.2990 -0.27175 2020 1 20 58868 0.0460 0.3002 -0.27248 2020 1 21 58869 0.0449 0.3014 -0.27301 2020 1 22 58870 0.0439 0.3026 -0.27332 2020 1 23 58871 0.0429 0.3038 -0.27350 2020 1 24 58872 0.0419 0.3050 -0.27366 2020 1 25 58873 0.0409 0.3063 -0.27383 2020 1 26 58874 0.0400 0.3075 -0.27402 2020 1 27 58875 0.0391 0.3088 -0.27435 2020 1 28 58876 0.0382 0.3101 -0.27482 2020 1 29 58877 0.0373 0.3114 -0.27537 2020 1 30 58878 0.0365 0.3127 -0.27604 2020 1 31 58879 0.0356 0.3141 -0.27676 2020 2 1 58880 0.0349 0.3154 -0.27753 2020 2 2 58881 0.0341 0.3168 -0.27831 2020 2 3 58882 0.0333 0.3181 -0.27906 2020 2 4 58883 0.0326 0.3195 -0.27971 2020 2 5 58884 0.0319 0.3209 -0.28022 2020 2 6 58885 0.0313 0.3224 -0.28061 2020 2 7 58886 0.0306 0.3238 -0.28097 2020 2 8 58887 0.0300 0.3252 -0.28141 2020 2 9 58888 0.0294 0.3267 -0.28199 2020 2 10 58889 0.0289 0.3281 -0.28280 2020 2 11 58890 0.0283 0.3296 -0.28386 2020 2 12 58891 0.0278 0.3311 -0.28512 2020 2 13 58892 0.0274 0.3325 -0.28650 2020 2 14 58893 0.0269 0.3340 -0.28788 2020 2 15 58894 0.0265 0.3355 -0.28909 2020 2 16 58895 0.0261 0.3371 -0.29009 2020 2 17 58896 0.0258 0.3386 -0.29094 2020 2 18 58897 0.0254 0.3401 -0.29170 2020 2 19 58898 0.0251 0.3416 -0.29229 2020 2 20 58899 0.0249 0.3432 -0.29278 2020 2 21 58900 0.0246 0.3447 -0.29331 2020 2 22 58901 0.0244 0.3462 -0.29402 2020 2 23 58902 0.0242 0.3478 -0.29485 2020 2 24 58903 0.0241 0.3493 -0.29580 2020 2 25 58904 0.0239 0.3509 -0.29688 2020 2 26 58905 0.0238 0.3525 -0.29803 2020 2 27 58906 0.0238 0.3540 -0.29921 2020 2 28 58907 0.0237 0.3556 -0.30045 2020 2 29 58908 0.0237 0.3571 -0.30164 2020 3 1 58909 0.0237 0.3587 -0.30278 2020 3 2 58910 0.0238 0.3603 -0.30382 2020 3 3 58911 0.0239 0.3618 -0.30481 2020 3 4 58912 0.0240 0.3634 -0.30579 2020 3 5 58913 0.0241 0.3650 -0.30675 2020 3 6 58914 0.0243 0.3665 -0.30771 2020 3 7 58915 0.0245 0.3681 -0.30879 2020 3 8 58916 0.0247 0.3697 -0.31005 2020 3 9 58917 0.0250 0.3712 -0.31159 2020 3 10 58918 0.0253 0.3728 -0.31340 2020 3 11 58919 0.0256 0.3743 -0.31535 2020 3 12 58920 0.0260 0.3759 -0.31734 2020 3 13 58921 0.0263 0.3774 -0.31925 2020 3 14 58922 0.0267 0.3789 -0.32097 2020 3 15 58923 0.0272 0.3805 -0.32243 2020 3 16 58924 0.0276 0.3820 -0.32366 2020 3 17 58925 0.0281 0.3835 -0.32474 2020 3 18 58926 0.0287 0.3850 -0.32581 2020 3 19 58927 0.0292 0.3865 -0.32692 2020 3 20 58928 0.0298 0.3880 -0.32816 2020 3 21 58929 0.0304 0.3895 -0.32950 2020 3 22 58930 0.0310 0.3910 -0.33092 2020 3 23 58931 0.0317 0.3924 -0.33243 2020 3 24 58932 0.0324 0.3939 -0.33398 2020 3 25 58933 0.0331 0.3953 -0.33555 2020 3 26 58934 0.0339 0.3968 -0.33713 2020 3 27 58935 0.0347 0.3982 -0.33870 2020 3 28 58936 0.0355 0.3996 -0.34022 2020 3 29 58937 0.0363 0.4010 -0.34165 2020 3 30 58938 0.0372 0.4024 -0.34292 2020 3 31 58939 0.0381 0.4038 -0.34403 2020 4 1 58940 0.0390 0.4051 -0.34504 2020 4 2 58941 0.0399 0.4065 -0.34599 2020 4 3 58942 0.0409 0.4078 -0.34703 2020 4 4 58943 0.0419 0.4091 -0.34826 2020 4 5 58944 0.0429 0.4104 -0.34979 2020 4 6 58945 0.0439 0.4117 -0.35157 2020 4 7 58946 0.0450 0.4130 -0.35350 2020 4 8 58947 0.0461 0.4143 -0.35546 2020 4 9 58948 0.0472 0.4155 -0.35729 2020 4 10 58949 0.0483 0.4167 -0.35888 2020 4 11 58950 0.0495 0.4179 -0.36015 2020 4 12 58951 0.0507 0.4191 -0.36107 2020 4 13 58952 0.0519 0.4203 -0.36177 2020 4 14 58953 0.0531 0.4214 -0.36232 2020 4 15 58954 0.0544 0.4226 -0.36284 2020 4 16 58955 0.0556 0.4237 -0.36342 2020 4 17 58956 0.0569 0.4248 -0.36409 2020 4 18 58957 0.0583 0.4258 -0.36489 2020 4 19 58958 0.0596 0.4269 -0.36569 2020 4 20 58959 0.0610 0.4279 -0.36655 2020 4 21 58960 0.0623 0.4289 -0.36751 2020 4 22 58961 0.0637 0.4299 -0.36847 2020 4 23 58962 0.0652 0.4309 -0.36947 2020 4 24 58963 0.0666 0.4318 -0.37044 2020 4 25 58964 0.0681 0.4327 -0.37136 2020 4 26 58965 0.0695 0.4336 -0.37221 2020 4 27 58966 0.0710 0.4345 -0.37297 2020 4 28 58967 0.0725 0.4354 -0.37362 2020 4 29 58968 0.0740 0.4362 -0.37422 2020 4 30 58969 0.0756 0.4370 -0.37489 2020 5 1 58970 0.0771 0.4378 -0.37571 2020 5 2 58971 0.0787 0.4385 -0.37676 2020 5 3 58972 0.0803 0.4392 -0.37810 2020 5 4 58973 0.0819 0.4400 -0.37968 2020 5 5 58974 0.0835 0.4406 -0.38144 2020 5 6 58975 0.0852 0.4413 -0.38327 2020 5 7 58976 0.0868 0.4419 -0.38502 2020 5 8 58977 0.0885 0.4425 -0.38648 2020 5 9 58978 0.0901 0.4431 -0.38767 2020 5 10 58979 0.0918 0.4436 -0.38863 2020 5 11 58980 0.0935 0.4442 -0.38940 2020 5 12 58981 0.0952 0.4447 -0.39012 2020 5 13 58982 0.0969 0.4451 -0.39082 2020 5 14 58983 0.0986 0.4456 -0.39158 2020 5 15 58984 0.1003 0.4460 -0.39238 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) 58592 -104.15 0.22 -11.16 0.24 58593 -104.45 0.00 -11.27 0.21 58594 -104.58 0.00 -11.25 0.21 58595 -104.55 0.30 -11.17 0.15 58596 -104.49 0.30 -11.21 0.15 58597 -104.53 0.13 -11.39 0.18 58598 -104.69 0.13 -11.58 0.18 58599 -104.80 0.13 -11.65 0.18 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58592 0.086 0.089 -0.212 0.244 58593 0.082 0.009 -0.210 0.214 58594 0.079 0.009 -0.207 0.214 58595 0.076 0.119 -0.205 0.153 58596 0.070 0.119 -0.205 0.153 58597 0.062 0.053 -0.208 0.176 58598 0.049 0.053 -0.214 0.176 58599 0.033 0.053 -0.221 0.176 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).