********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 4 July 2019 Vol. XXXII No. 027 ______________________________________________________________________ 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 28 58662 0.15489 .00009 0.42206 .00009 -0.174543 0.000020 19 6 29 58663 0.15648 .00009 0.42174 .00009 -0.174535 0.000018 19 6 30 58664 0.15769 .00009 0.42133 .00009 -0.174419 0.000020 19 7 1 58665 0.15846 .00009 0.42059 .00009 -0.174165 0.000019 19 7 2 58666 0.15895 .00009 0.41952 .00009 -0.173803 0.000018 19 7 3 58667 0.15935 .00009 0.41830 .00009 -0.173335 0.000016 19 7 4 58668 0.15980 .00009 0.41713 .00009 -0.172787 0.000015 IERS Final Values MJD x y UT1-UTC " " s 19 5 2 58605 0.0742 0.4121 -0.14960 19 5 3 58606 0.0758 0.4129 -0.15066 19 5 4 58607 0.0767 0.4134 -0.15164 19 5 5 58608 0.0776 0.4139 -0.15254 19 5 6 58609 0.0781 0.4148 -0.15336 19 5 7 58610 0.0790 0.4156 -0.15408 19 5 8 58611 0.0801 0.4163 -0.15471 19 5 9 58612 0.0817 0.4167 -0.15528 19 5 10 58613 0.0832 0.4174 -0.15584 19 5 11 58614 0.0844 0.4180 -0.15641 19 5 12 58615 0.0851 0.4186 -0.15711 19 5 13 58616 0.0858 0.4188 -0.15795 19 5 14 58617 0.0866 0.4191 -0.15898 19 5 15 58618 0.0875 0.4197 -0.16018 19 5 16 58619 0.0890 0.4204 -0.16146 19 5 17 58620 0.0906 0.4211 -0.16272 19 5 18 58621 0.0922 0.4220 -0.16380 19 5 19 58622 0.0933 0.4228 -0.16461 19 5 20 58623 0.0943 0.4237 -0.16521 19 5 21 58624 0.0951 0.4244 -0.16560 19 5 22 58625 0.0962 0.4247 -0.16586 19 5 23 58626 0.0976 0.4251 -0.16609 19 5 24 58627 0.0990 0.4256 -0.16632 19 5 25 58628 0.1007 0.4263 -0.16659 19 5 26 58629 0.1020 0.4271 -0.16692 19 5 27 58630 0.1028 0.4280 -0.16732 19 5 28 58631 0.1034 0.4286 -0.16778 19 5 29 58632 0.1042 0.4291 -0.16830 19 5 30 58633 0.1052 0.4294 -0.16887 19 5 31 58634 0.1068 0.4294 -0.16947 19 6 1 58635 0.1092 0.4293 -0.17005 _______________________________________________________________________ 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 = 0.1286 + 0.0476 cos A + 0.0729 sin A - 0.0156 cos C + 0.0019 sin C y = 0.3551 + 0.0655 cos A - 0.0431 sin A + 0.0019 cos C + 0.0156 sin C UT1-UTC = -0.1558 - 0.00062 (MJD - 58676) - (UT2-UT1) where A = 2*pi*(MJD-58668)/365.25 and C = 2*pi*(MJD-58668)/435. TAI-UTC(MJD 58669) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58668)**0.80 S t = 0.00025 (MJD-58668)**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 5 58669 0.1606 0.4160 -0.17232 2019 7 6 58670 0.1615 0.4149 -0.17202 2019 7 7 58671 0.1626 0.4140 -0.17192 2019 7 8 58672 0.1637 0.4132 -0.17196 2019 7 9 58673 0.1648 0.4124 -0.17207 2019 7 10 58674 0.1659 0.4116 -0.17214 2019 7 11 58675 0.1669 0.4109 -0.17207 2019 7 12 58676 0.1680 0.4101 -0.17183 2019 7 13 58677 0.1690 0.4092 -0.17140 2019 7 14 58678 0.1701 0.4084 -0.17081 2019 7 15 58679 0.1711 0.4075 -0.17008 2019 7 16 58680 0.1722 0.4067 -0.16926 2019 7 17 58681 0.1733 0.4059 -0.16843 2019 7 18 58682 0.1744 0.4051 -0.16765 2019 7 19 58683 0.1754 0.4043 -0.16697 2019 7 20 58684 0.1764 0.4035 -0.16641 2019 7 21 58685 0.1774 0.4027 -0.16599 2019 7 22 58686 0.1784 0.4018 -0.16570 2019 7 23 58687 0.1793 0.4010 -0.16554 2019 7 24 58688 0.1803 0.4001 -0.16545 2019 7 25 58689 0.1813 0.3992 -0.16539 2019 7 26 58690 0.1822 0.3983 -0.16531 2019 7 27 58691 0.1831 0.3974 -0.16517 2019 7 28 58692 0.1840 0.3965 -0.16494 2019 7 29 58693 0.1848 0.3956 -0.16461 2019 7 30 58694 0.1857 0.3946 -0.16422 2019 7 31 58695 0.1865 0.3937 -0.16384 2019 8 1 58696 0.1873 0.3927 -0.16357 2019 8 2 58697 0.1880 0.3917 -0.16348 2019 8 3 58698 0.1888 0.3907 -0.16361 2019 8 4 58699 0.1895 0.3897 -0.16393 2019 8 5 58700 0.1902 0.3886 -0.16437 2019 8 6 58701 0.1909 0.3876 -0.16481 2019 8 7 58702 0.1915 0.3865 -0.16516 2019 8 8 58703 0.1922 0.3855 -0.16534 2019 8 9 58704 0.1928 0.3844 -0.16532 2019 8 10 58705 0.1934 0.3833 -0.16513 2019 8 11 58706 0.1939 0.3822 -0.16480 2019 8 12 58707 0.1945 0.3810 -0.16437 2019 8 13 58708 0.1950 0.3799 -0.16392 2019 8 14 58709 0.1955 0.3788 -0.16349 2019 8 15 58710 0.1960 0.3776 -0.16313 2019 8 16 58711 0.1964 0.3765 -0.16287 2019 8 17 58712 0.1968 0.3753 -0.16272 2019 8 18 58713 0.1972 0.3741 -0.16270 2019 8 19 58714 0.1976 0.3729 -0.16277 2019 8 20 58715 0.1979 0.3717 -0.16290 2019 8 21 58716 0.1983 0.3705 -0.16306 2019 8 22 58717 0.1986 0.3693 -0.16319 2019 8 23 58718 0.1988 0.3681 -0.16326 2019 8 24 58719 0.1991 0.3669 -0.16326 2019 8 25 58720 0.1993 0.3657 -0.16316 2019 8 26 58721 0.1995 0.3645 -0.16301 2019 8 27 58722 0.1997 0.3632 -0.16284 2019 8 28 58723 0.1998 0.3620 -0.16275 2019 8 29 58724 0.2000 0.3608 -0.16283 2019 8 30 58725 0.2001 0.3595 -0.16316 2019 8 31 58726 0.2001 0.3583 -0.16373 2019 9 1 58727 0.2002 0.3570 -0.16450 2019 9 2 58728 0.2002 0.3558 -0.16535 2019 9 3 58729 0.2002 0.3545 -0.16615 2019 9 4 58730 0.2001 0.3533 -0.16678 2019 9 5 58731 0.2001 0.3520 -0.16721 2019 9 6 58732 0.2000 0.3508 -0.16743 2019 9 7 58733 0.1999 0.3495 -0.16748 2019 9 8 58734 0.1998 0.3483 -0.16743 2019 9 9 58735 0.1996 0.3470 -0.16733 2019 9 10 58736 0.1994 0.3458 -0.16725 2019 9 11 58737 0.1992 0.3445 -0.16724 2019 9 12 58738 0.1990 0.3433 -0.16733 2019 9 13 58739 0.1987 0.3420 -0.16755 2019 9 14 58740 0.1984 0.3408 -0.16788 2019 9 15 58741 0.1981 0.3396 -0.16833 2019 9 16 58742 0.1977 0.3383 -0.16885 2019 9 17 58743 0.1974 0.3371 -0.16940 2019 9 18 58744 0.1970 0.3359 -0.16995 2019 9 19 58745 0.1966 0.3346 -0.17044 2019 9 20 58746 0.1961 0.3334 -0.17086 2019 9 21 58747 0.1957 0.3322 -0.17120 2019 9 22 58748 0.1952 0.3310 -0.17148 2019 9 23 58749 0.1947 0.3298 -0.17173 2019 9 24 58750 0.1941 0.3286 -0.17203 2019 9 25 58751 0.1936 0.3275 -0.17247 2019 9 26 58752 0.1930 0.3263 -0.17314 2019 9 27 58753 0.1924 0.3251 -0.17407 2019 9 28 58754 0.1917 0.3240 -0.17526 2019 9 29 58755 0.1911 0.3228 -0.17661 2019 9 30 58756 0.1904 0.3217 -0.17799 2019 10 1 58757 0.1897 0.3205 -0.17927 2019 10 2 58758 0.1890 0.3194 -0.18035 2019 10 3 58759 0.1882 0.3183 -0.18120 2019 10 4 58760 0.1874 0.3172 -0.18185 2019 10 5 58761 0.1866 0.3161 -0.18236 2019 10 6 58762 0.1858 0.3150 -0.18279 2019 10 7 58763 0.1850 0.3140 -0.18322 2019 10 8 58764 0.1841 0.3129 -0.18370 2019 10 9 58765 0.1832 0.3119 -0.18428 2019 10 10 58766 0.1823 0.3109 -0.18497 2019 10 11 58767 0.1814 0.3098 -0.18579 2019 10 12 58768 0.1805 0.3088 -0.18671 2019 10 13 58769 0.1795 0.3079 -0.18771 2019 10 14 58770 0.1785 0.3069 -0.18876 2019 10 15 58771 0.1775 0.3059 -0.18981 2019 10 16 58772 0.1765 0.3050 -0.19080 2019 10 17 58773 0.1754 0.3041 -0.19170 2019 10 18 58774 0.1744 0.3031 -0.19249 2019 10 19 58775 0.1733 0.3022 -0.19318 2019 10 20 58776 0.1722 0.3014 -0.19381 2019 10 21 58777 0.1711 0.3005 -0.19442 2019 10 22 58778 0.1699 0.2997 -0.19510 2019 10 23 58779 0.1688 0.2988 -0.19596 2019 10 24 58780 0.1676 0.2980 -0.19704 2019 10 25 58781 0.1664 0.2972 -0.19837 2019 10 26 58782 0.1652 0.2964 -0.19989 2019 10 27 58783 0.1640 0.2957 -0.20151 2019 10 28 58784 0.1628 0.2949 -0.20309 2019 10 29 58785 0.1615 0.2942 -0.20451 2019 10 30 58786 0.1603 0.2935 -0.20570 2019 10 31 58787 0.1590 0.2928 -0.20665 2019 11 1 58788 0.1577 0.2922 -0.20741 2019 11 2 58789 0.1564 0.2915 -0.20805 2019 11 3 58790 0.1551 0.2909 -0.20863 2019 11 4 58791 0.1538 0.2903 -0.20924 2019 11 5 58792 0.1524 0.2897 -0.20990 2019 11 6 58793 0.1511 0.2891 -0.21067 2019 11 7 58794 0.1497 0.2886 -0.21154 2019 11 8 58795 0.1484 0.2881 -0.21252 2019 11 9 58796 0.1470 0.2876 -0.21357 2019 11 10 58797 0.1456 0.2871 -0.21467 2019 11 11 58798 0.1442 0.2866 -0.21577 2019 11 12 58799 0.1428 0.2862 -0.21682 2019 11 13 58800 0.1413 0.2858 -0.21777 2019 11 14 58801 0.1399 0.2854 -0.21860 2019 11 15 58802 0.1385 0.2850 -0.21931 2019 11 16 58803 0.1370 0.2847 -0.21992 2019 11 17 58804 0.1356 0.2843 -0.22050 2019 11 18 58805 0.1341 0.2840 -0.22112 2019 11 19 58806 0.1326 0.2838 -0.22187 2019 11 20 58807 0.1312 0.2835 -0.22279 2019 11 21 58808 0.1297 0.2833 -0.22393 2019 11 22 58809 0.1282 0.2831 -0.22526 2019 11 23 58810 0.1267 0.2829 -0.22670 2019 11 24 58811 0.1252 0.2827 -0.22816 2019 11 25 58812 0.1237 0.2826 -0.22952 2019 11 26 58813 0.1223 0.2824 -0.23068 2019 11 27 58814 0.1208 0.2823 -0.23161 2019 11 28 58815 0.1193 0.2823 -0.23233 2019 11 29 58816 0.1178 0.2822 -0.23289 2019 11 30 58817 0.1163 0.2822 -0.23336 2019 12 1 58818 0.1147 0.2822 -0.23382 2019 12 2 58819 0.1132 0.2822 -0.23432 2019 12 3 58820 0.1117 0.2823 -0.23490 2019 12 4 58821 0.1102 0.2823 -0.23558 2019 12 5 58822 0.1087 0.2824 -0.23637 2019 12 6 58823 0.1072 0.2826 -0.23723 2019 12 7 58824 0.1057 0.2827 -0.23815 2019 12 8 58825 0.1043 0.2829 -0.23907 2019 12 9 58826 0.1028 0.2830 -0.23996 2019 12 10 58827 0.1013 0.2833 -0.24078 2019 12 11 58828 0.0998 0.2835 -0.24148 2019 12 12 58829 0.0983 0.2838 -0.24205 2019 12 13 58830 0.0968 0.2840 -0.24251 2019 12 14 58831 0.0954 0.2843 -0.24291 2019 12 15 58832 0.0939 0.2847 -0.24332 2019 12 16 58833 0.0925 0.2850 -0.24384 2019 12 17 58834 0.0910 0.2854 -0.24452 2019 12 18 58835 0.0896 0.2858 -0.24539 2019 12 19 58836 0.0881 0.2862 -0.24644 2019 12 20 58837 0.0867 0.2867 -0.24761 2019 12 21 58838 0.0853 0.2871 -0.24880 2019 12 22 58839 0.0839 0.2876 -0.24992 2019 12 23 58840 0.0825 0.2882 -0.25088 2019 12 24 58841 0.0811 0.2887 -0.25163 2019 12 25 58842 0.0797 0.2893 -0.25218 2019 12 26 58843 0.0784 0.2898 -0.25256 2019 12 27 58844 0.0770 0.2904 -0.25284 2019 12 28 58845 0.0757 0.2911 -0.25308 2019 12 29 58846 0.0744 0.2917 -0.25336 2019 12 30 58847 0.0730 0.2924 -0.25371 2019 12 31 58848 0.0717 0.2931 -0.25415 2020 1 1 58849 0.0704 0.2938 -0.25470 2020 1 2 58850 0.0692 0.2945 -0.25535 2020 1 3 58851 0.0679 0.2953 -0.25605 2020 1 4 58852 0.0667 0.2960 -0.25679 2020 1 5 58853 0.0654 0.2968 -0.25751 2020 1 6 58854 0.0642 0.2976 -0.25818 2020 1 7 58855 0.0630 0.2985 -0.25877 2020 1 8 58856 0.0618 0.2993 -0.25926 2020 1 9 58857 0.0607 0.3002 -0.25967 2020 1 10 58858 0.0595 0.3011 -0.26003 2020 1 11 58859 0.0584 0.3020 -0.26043 2020 1 12 58860 0.0573 0.3029 -0.26096 2020 1 13 58861 0.0562 0.3039 -0.26169 2020 1 14 58862 0.0551 0.3049 -0.26267 2020 1 15 58863 0.0541 0.3059 -0.26386 2020 1 16 58864 0.0530 0.3069 -0.26519 2020 1 17 58865 0.0520 0.3079 -0.26655 2020 1 18 58866 0.0510 0.3089 -0.26782 2020 1 19 58867 0.0500 0.3100 -0.26891 2020 1 20 58868 0.0491 0.3110 -0.26979 2020 1 21 58869 0.0481 0.3121 -0.27046 2020 1 22 58870 0.0472 0.3132 -0.27093 2020 1 23 58871 0.0463 0.3143 -0.27129 2020 1 24 58872 0.0455 0.3155 -0.27161 2020 1 25 58873 0.0446 0.3166 -0.27194 2020 1 26 58874 0.0438 0.3178 -0.27233 2020 1 27 58875 0.0430 0.3190 -0.27281 2020 1 28 58876 0.0422 0.3202 -0.27337 2020 1 29 58877 0.0415 0.3214 -0.27401 2020 1 30 58878 0.0407 0.3226 -0.27472 2020 1 31 58879 0.0400 0.3238 -0.27548 2020 2 1 58880 0.0393 0.3251 -0.27624 2020 2 2 58881 0.0387 0.3263 -0.27698 2020 2 3 58882 0.0380 0.3276 -0.27769 2020 2 4 58883 0.0374 0.3288 -0.27834 2020 2 5 58884 0.0368 0.3301 -0.27891 2020 2 6 58885 0.0363 0.3314 -0.27939 2020 2 7 58886 0.0358 0.3327 -0.27984 2020 2 8 58887 0.0352 0.3341 -0.28038 2020 2 9 58888 0.0348 0.3354 -0.28112 2020 2 10 58889 0.0343 0.3367 -0.28210 2020 2 11 58890 0.0339 0.3381 -0.28330 2020 2 12 58891 0.0335 0.3394 -0.28466 2020 2 13 58892 0.0331 0.3408 -0.28609 2020 2 14 58893 0.0327 0.3422 -0.28744 2020 2 15 58894 0.0324 0.3435 -0.28858 2020 2 16 58895 0.0321 0.3449 -0.28946 2020 2 17 58896 0.0319 0.3463 -0.29015 2020 2 18 58897 0.0316 0.3477 -0.29078 2020 2 19 58898 0.0314 0.3491 -0.29135 2020 2 20 58899 0.0312 0.3505 -0.29192 2020 2 21 58900 0.0311 0.3519 -0.29255 2020 2 22 58901 0.0309 0.3533 -0.29330 2020 2 23 58902 0.0308 0.3547 -0.29419 2020 2 24 58903 0.0308 0.3562 -0.29520 2020 2 25 58904 0.0307 0.3576 -0.29635 2020 2 26 58905 0.0307 0.3590 -0.29761 2020 2 27 58906 0.0307 0.3604 -0.29895 2020 2 28 58907 0.0307 0.3619 -0.30030 2020 2 29 58908 0.0308 0.3633 -0.30158 2020 3 1 58909 0.0309 0.3647 -0.30278 2020 3 2 58910 0.0310 0.3661 -0.30386 2020 3 3 58911 0.0312 0.3676 -0.30483 2020 3 4 58912 0.0313 0.3690 -0.30567 2020 3 5 58913 0.0315 0.3704 -0.30644 2020 3 6 58914 0.0318 0.3719 -0.30725 2020 3 7 58915 0.0320 0.3733 -0.30823 2020 3 8 58916 0.0323 0.3747 -0.30943 2020 3 9 58917 0.0326 0.3761 -0.31091 2020 3 10 58918 0.0330 0.3775 -0.31261 2020 3 11 58919 0.0333 0.3789 -0.31444 2020 3 12 58920 0.0337 0.3803 -0.31624 2020 3 13 58921 0.0342 0.3817 -0.31786 2020 3 14 58922 0.0346 0.3831 -0.31924 2020 3 15 58923 0.0351 0.3845 -0.32030 2020 3 16 58924 0.0356 0.3859 -0.32112 2020 3 17 58925 0.0362 0.3873 -0.32176 2020 3 18 58926 0.0367 0.3887 -0.32232 2020 3 19 58927 0.0373 0.3900 -0.32294 2020 3 20 58928 0.0379 0.3914 -0.32369 2020 3 21 58929 0.0386 0.3927 -0.32456 2020 3 22 58930 0.0392 0.3941 -0.32556 2020 3 23 58931 0.0399 0.3954 -0.32669 2020 3 24 58932 0.0407 0.3967 -0.32796 2020 3 25 58933 0.0414 0.3980 -0.32931 2020 3 26 58934 0.0422 0.3993 -0.33068 2020 3 27 58935 0.0430 0.4006 -0.33199 2020 3 28 58936 0.0438 0.4019 -0.33322 2020 3 29 58937 0.0446 0.4031 -0.33431 2020 3 30 58938 0.0455 0.4044 -0.33524 2020 3 31 58939 0.0464 0.4056 -0.33603 2020 4 1 58940 0.0473 0.4069 -0.33670 2020 4 2 58941 0.0483 0.4081 -0.33731 2020 4 3 58942 0.0493 0.4093 -0.33800 2020 4 4 58943 0.0503 0.4105 -0.33889 2020 4 5 58944 0.0513 0.4116 -0.34001 2020 4 6 58945 0.0523 0.4128 -0.34141 2020 4 7 58946 0.0534 0.4140 -0.34309 2020 4 8 58947 0.0545 0.4151 -0.34494 2020 4 9 58948 0.0556 0.4162 -0.34674 2020 4 10 58949 0.0567 0.4173 -0.34837 2020 4 11 58950 0.0579 0.4184 -0.34976 2020 4 12 58951 0.0590 0.4194 -0.35089 2020 4 13 58952 0.0602 0.4205 -0.35182 2020 4 14 58953 0.0614 0.4215 -0.35264 2020 4 15 58954 0.0627 0.4225 -0.35341 2020 4 16 58955 0.0639 0.4235 -0.35421 2020 4 17 58956 0.0652 0.4245 -0.35511 2020 4 18 58957 0.0665 0.4254 -0.35604 2020 4 19 58958 0.0678 0.4264 -0.35705 2020 4 20 58959 0.0691 0.4273 -0.35816 2020 4 21 58960 0.0705 0.4282 -0.35934 2020 4 22 58961 0.0718 0.4291 -0.36054 2020 4 23 58962 0.0732 0.4299 -0.36168 2020 4 24 58963 0.0746 0.4308 -0.36272 2020 4 25 58964 0.0760 0.4316 -0.36362 2020 4 26 58965 0.0775 0.4324 -0.36435 2020 4 27 58966 0.0789 0.4331 -0.36497 2020 4 28 58967 0.0804 0.4339 -0.36548 2020 4 29 58968 0.0819 0.4346 -0.36590 2020 4 30 58969 0.0833 0.4353 -0.36632 2020 5 1 58970 0.0849 0.4360 -0.36687 2020 5 2 58971 0.0864 0.4367 -0.36760 2020 5 3 58972 0.0879 0.4373 -0.36852 2020 5 4 58973 0.0894 0.4379 -0.36970 2020 5 5 58974 0.0910 0.4385 -0.37107 2020 5 6 58975 0.0926 0.4391 -0.37243 2020 5 7 58976 0.0941 0.4396 -0.37370 2020 5 8 58977 0.0957 0.4401 -0.37477 2020 5 9 58978 0.0973 0.4406 -0.37560 2020 5 10 58979 0.0990 0.4411 -0.37622 2020 5 11 58980 0.1006 0.4416 -0.37669 2020 5 12 58981 0.1022 0.4420 -0.37707 2020 5 13 58982 0.1038 0.4424 -0.37739 2020 5 14 58983 0.1055 0.4428 -0.37771 2020 5 15 58984 0.1071 0.4431 -0.37810 2020 5 16 58985 0.1088 0.4434 -0.37858 2020 5 17 58986 0.1105 0.4437 -0.37912 2020 5 18 58987 0.1121 0.4440 -0.37969 2020 5 19 58988 0.1138 0.4442 -0.38030 2020 5 20 58989 0.1155 0.4444 -0.38088 2020 5 21 58990 0.1172 0.4446 -0.38142 2020 5 22 58991 0.1189 0.4448 -0.38189 2020 5 23 58992 0.1206 0.4449 -0.38219 2020 5 24 58993 0.1223 0.4451 -0.38235 2020 5 25 58994 0.1240 0.4451 -0.38245 2020 5 26 58995 0.1257 0.4452 -0.38255 2020 5 27 58996 0.1274 0.4452 -0.38262 2020 5 28 58997 0.1291 0.4453 -0.38273 2020 5 29 58998 0.1308 0.4452 -0.38302 2020 5 30 58999 0.1325 0.4452 -0.38361 2020 5 31 59000 0.1342 0.4451 -0.38442 2020 6 1 59001 0.1359 0.4450 -0.38540 2020 6 2 59002 0.1376 0.4449 -0.38646 2020 6 3 59003 0.1393 0.4447 -0.38745 2020 6 4 59004 0.1410 0.4446 -0.38824 2020 6 5 59005 0.1427 0.4444 -0.38882 2020 6 6 59006 0.1443 0.4441 -0.38914 2020 6 7 59007 0.1460 0.4439 -0.38926 2020 6 8 59008 0.1477 0.4436 -0.38925 2020 6 9 59009 0.1494 0.4433 -0.38925 2020 6 10 59010 0.1510 0.4429 -0.38936 2020 6 11 59011 0.1527 0.4426 -0.38956 2020 6 12 59012 0.1544 0.4422 -0.38981 2020 6 13 59013 0.1560 0.4418 -0.39013 2020 6 14 59014 0.1577 0.4413 -0.39049 2020 6 15 59015 0.1593 0.4409 -0.39087 2020 6 16 59016 0.1609 0.4404 -0.39124 2020 6 17 59017 0.1625 0.4399 -0.39154 2020 6 18 59018 0.1641 0.4393 -0.39176 2020 6 19 59019 0.1657 0.4388 -0.39189 2020 6 20 59020 0.1673 0.4382 -0.39190 2020 6 21 59021 0.1689 0.4375 -0.39178 2020 6 22 59022 0.1704 0.4369 -0.39156 2020 6 23 59023 0.1720 0.4362 -0.39136 2020 6 24 59024 0.1735 0.4355 -0.39128 2020 6 25 59025 0.1750 0.4348 -0.39141 2020 6 26 59026 0.1765 0.4341 -0.39180 2020 6 27 59027 0.1780 0.4333 -0.39241 2020 6 28 59028 0.1795 0.4325 -0.39315 2020 6 29 59029 0.1810 0.4317 -0.39394 2020 6 30 59030 0.1824 0.4309 -0.39467 2020 7 1 59031 0.1839 0.4300 -0.39523 2020 7 2 59032 0.1853 0.4291 -0.39558 2020 7 3 59033 0.1867 0.4282 -0.39572 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) 58647 -106.95 0.00 -11.07 0.20 58648 -107.59 0.00 -11.07 0.20 58649 -108.07 0.00 -11.08 0.20 58650 -108.21 0.05 -11.10 0.19 58651 -108.09 0.05 -11.12 0.19 58652 -107.93 0.15 -11.19 0.09 58653 -107.89 0.13 -11.26 0.24 58654 -107.97 0.13 -11.32 0.24 58655 -108.12 0.13 -11.33 0.24 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 58605 -103.9 -11.0 58606 -104.2 -10.9 58607 -104.4 -11.0 58608 -104.5 -11.3 58609 -104.4 -11.6 58610 -104.4 -11.7 58611 -104.6 -11.8 58612 -104.8 -11.7 58613 -104.9 -11.7 58614 -104.7 -11.7 58615 -104.1 -11.7 58616 -103.5 -11.7 58617 -103.3 -11.5 58618 -103.6 -11.3 58619 -104.2 -11.2 58620 -104.9 -11.3 58621 -105.3 -11.4 58622 -105.4 -11.5 58623 -105.3 -11.5 58624 -105.2 -11.5 58625 -105.2 -11.5 58626 -105.2 -11.5 58627 -105.2 -11.5 58628 -105.2 -11.5 58629 -105.0 -11.6 58630 -104.9 -11.6 58631 -104.9 -11.7 58632 -105.1 -11.6 58633 -105.6 -11.4 58634 -106.2 -11.1 58635 -106.5 -11.0 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58647 -0.014 0.008 -0.204 0.202 58648 -0.005 0.008 -0.216 0.202 58649 0.005 0.008 -0.224 0.202 58650 0.014 0.019 -0.228 0.189 58651 0.023 0.019 -0.231 0.189 58652 0.031 0.061 -0.235 0.087 58653 0.037 0.052 -0.241 0.237 58654 0.042 0.052 -0.251 0.237 58655 0.047 0.052 -0.262 0.237 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 58605 0.10 -0.22 58606 0.08 -0.23 58607 0.07 -0.24 58608 0.06 -0.25 58609 0.05 -0.26 58610 0.04 -0.26 58611 0.04 -0.26 58612 0.04 -0.24 58613 0.05 -0.21 58614 0.06 -0.21 58615 0.06 -0.23 58616 0.06 -0.24 58617 0.06 -0.25 58618 0.05 -0.24 58619 0.03 -0.21 58620 0.01 -0.17 58621 0.01 -0.20 58622 -0.00 -0.24 58623 -0.01 -0.27 58624 -0.02 -0.30 58625 0.00 -0.26 58626 0.03 -0.20 58627 0.06 -0.14 58628 0.06 -0.14 58629 0.06 -0.18 58630 0.06 -0.21 58631 0.05 -0.24 58632 0.05 -0.28 58633 0.05 -0.26 58634 0.04 -0.22 58635 0.06 -0.20 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).