********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 18 July 2019 Vol. XXXII No. 029 ______________________________________________________________________ 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 12 58676 0.17327 .00009 0.41117 .00009 -0.171778 0.000017 19 7 13 58677 0.17453 .00009 0.40990 .00009 -0.171330 0.000020 19 7 14 58678 0.17605 .00009 0.40860 .00009 -0.170671 0.000019 19 7 15 58679 0.17771 .00009 0.40740 .00009 -0.169819 0.000019 19 7 16 58680 0.17927 .00009 0.40653 .00009 -0.168839 0.000065 19 7 17 58681 0.18055 .00009 0.40597 .00009 -0.167857 0.000065 19 7 18 58682 0.18158 .00009 0.40533 .00009 -0.166948 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 = 0.1328 + 0.0623 cos A + 0.0628 sin A - 0.0111 cos C + 0.0032 sin C y = 0.3505 + 0.0562 cos A - 0.0547 sin A + 0.0032 cos C + 0.0111 sin C UT1-UTC = -0.1598 - 0.00060 (MJD - 58690) - (UT2-UT1) where A = 2*pi*(MJD-58682)/365.25 and C = 2*pi*(MJD-58682)/435. TAI-UTC(MJD 58683) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58682)**0.80 S t = 0.00025 (MJD-58682)**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 19 58683 0.1826 0.4046 -0.16617 2019 7 20 58684 0.1835 0.4036 -0.16553 2019 7 21 58685 0.1845 0.4025 -0.16502 2019 7 22 58686 0.1856 0.4014 -0.16459 2019 7 23 58687 0.1867 0.4003 -0.16423 2019 7 24 58688 0.1878 0.3993 -0.16391 2019 7 25 58689 0.1889 0.3983 -0.16359 2019 7 26 58690 0.1898 0.3973 -0.16324 2019 7 27 58691 0.1907 0.3964 -0.16283 2019 7 28 58692 0.1915 0.3954 -0.16234 2019 7 29 58693 0.1922 0.3943 -0.16178 2019 7 30 58694 0.1930 0.3932 -0.16116 2019 7 31 58695 0.1938 0.3921 -0.16052 2019 8 1 58696 0.1945 0.3910 -0.15994 2019 8 2 58697 0.1953 0.3899 -0.15954 2019 8 3 58698 0.1960 0.3888 -0.15938 2019 8 4 58699 0.1967 0.3878 -0.15942 2019 8 5 58700 0.1974 0.3867 -0.15958 2019 8 6 58701 0.1980 0.3855 -0.15976 2019 8 7 58702 0.1986 0.3844 -0.15984 2019 8 8 58703 0.1991 0.3832 -0.15977 2019 8 9 58704 0.1997 0.3820 -0.15953 2019 8 10 58705 0.2002 0.3808 -0.15913 2019 8 11 58706 0.2008 0.3796 -0.15861 2019 8 12 58707 0.2012 0.3784 -0.15804 2019 8 13 58708 0.2017 0.3772 -0.15746 2019 8 14 58709 0.2021 0.3760 -0.15694 2019 8 15 58710 0.2025 0.3748 -0.15651 2019 8 16 58711 0.2029 0.3735 -0.15619 2019 8 17 58712 0.2033 0.3723 -0.15601 2019 8 18 58713 0.2036 0.3710 -0.15595 2019 8 19 58714 0.2039 0.3698 -0.15599 2019 8 20 58715 0.2042 0.3685 -0.15611 2019 8 21 58716 0.2045 0.3672 -0.15626 2019 8 22 58717 0.2047 0.3660 -0.15641 2019 8 23 58718 0.2049 0.3647 -0.15652 2019 8 24 58719 0.2051 0.3634 -0.15656 2019 8 25 58720 0.2053 0.3621 -0.15652 2019 8 26 58721 0.2054 0.3608 -0.15642 2019 8 27 58722 0.2055 0.3595 -0.15632 2019 8 28 58723 0.2056 0.3582 -0.15630 2019 8 29 58724 0.2056 0.3569 -0.15645 2019 8 30 58725 0.2056 0.3556 -0.15685 2019 8 31 58726 0.2056 0.3543 -0.15750 2019 9 1 58727 0.2056 0.3530 -0.15835 2019 9 2 58728 0.2056 0.3517 -0.15927 2019 9 3 58729 0.2055 0.3504 -0.16013 2019 9 4 58730 0.2054 0.3491 -0.16084 2019 9 5 58731 0.2052 0.3478 -0.16133 2019 9 6 58732 0.2050 0.3465 -0.16161 2019 9 7 58733 0.2049 0.3452 -0.16173 2019 9 8 58734 0.2046 0.3439 -0.16174 2019 9 9 58735 0.2044 0.3426 -0.16170 2019 9 10 58736 0.2041 0.3413 -0.16168 2019 9 11 58737 0.2038 0.3400 -0.16173 2019 9 12 58738 0.2035 0.3387 -0.16187 2019 9 13 58739 0.2031 0.3374 -0.16212 2019 9 14 58740 0.2028 0.3361 -0.16250 2019 9 15 58741 0.2023 0.3349 -0.16298 2019 9 16 58742 0.2019 0.3336 -0.16353 2019 9 17 58743 0.2015 0.3323 -0.16412 2019 9 18 58744 0.2010 0.3311 -0.16470 2019 9 19 58745 0.2005 0.3298 -0.16524 2019 9 20 58746 0.1999 0.3286 -0.16570 2019 9 21 58747 0.1994 0.3273 -0.16607 2019 9 22 58748 0.1988 0.3261 -0.16637 2019 9 23 58749 0.1982 0.3249 -0.16665 2019 9 24 58750 0.1975 0.3237 -0.16696 2019 9 25 58751 0.1969 0.3225 -0.16741 2019 9 26 58752 0.1962 0.3213 -0.16807 2019 9 27 58753 0.1955 0.3201 -0.16900 2019 9 28 58754 0.1947 0.3189 -0.17016 2019 9 29 58755 0.1940 0.3177 -0.17148 2019 9 30 58756 0.1932 0.3166 -0.17283 2019 10 1 58757 0.1924 0.3154 -0.17406 2019 10 2 58758 0.1916 0.3143 -0.17509 2019 10 3 58759 0.1907 0.3132 -0.17588 2019 10 4 58760 0.1898 0.3121 -0.17646 2019 10 5 58761 0.1889 0.3110 -0.17688 2019 10 6 58762 0.1880 0.3099 -0.17723 2019 10 7 58763 0.1871 0.3088 -0.17756 2019 10 8 58764 0.1861 0.3078 -0.17795 2019 10 9 58765 0.1851 0.3068 -0.17842 2019 10 10 58766 0.1841 0.3057 -0.17901 2019 10 11 58767 0.1831 0.3047 -0.17972 2019 10 12 58768 0.1820 0.3037 -0.18054 2019 10 13 58769 0.1810 0.3027 -0.18145 2019 10 14 58770 0.1799 0.3018 -0.18241 2019 10 15 58771 0.1788 0.3008 -0.18337 2019 10 16 58772 0.1776 0.2999 -0.18428 2019 10 17 58773 0.1765 0.2990 -0.18511 2019 10 18 58774 0.1753 0.2981 -0.18584 2019 10 19 58775 0.1741 0.2972 -0.18647 2019 10 20 58776 0.1729 0.2963 -0.18705 2019 10 21 58777 0.1717 0.2955 -0.18763 2019 10 22 58778 0.1705 0.2947 -0.18830 2019 10 23 58779 0.1692 0.2939 -0.18914 2019 10 24 58780 0.1679 0.2931 -0.19021 2019 10 25 58781 0.1666 0.2923 -0.19153 2019 10 26 58782 0.1653 0.2916 -0.19305 2019 10 27 58783 0.1640 0.2908 -0.19467 2019 10 28 58784 0.1627 0.2901 -0.19626 2019 10 29 58785 0.1613 0.2894 -0.19769 2019 10 30 58786 0.1600 0.2888 -0.19889 2019 10 31 58787 0.1586 0.2881 -0.19985 2019 11 1 58788 0.1572 0.2875 -0.20062 2019 11 2 58789 0.1558 0.2869 -0.20126 2019 11 3 58790 0.1544 0.2863 -0.20185 2019 11 4 58791 0.1530 0.2857 -0.20242 2019 11 5 58792 0.1515 0.2852 -0.20306 2019 11 6 58793 0.1501 0.2847 -0.20380 2019 11 7 58794 0.1486 0.2842 -0.20465 2019 11 8 58795 0.1471 0.2837 -0.20560 2019 11 9 58796 0.1457 0.2832 -0.20664 2019 11 10 58797 0.1442 0.2828 -0.20773 2019 11 11 58798 0.1427 0.2824 -0.20881 2019 11 12 58799 0.1412 0.2820 -0.20985 2019 11 13 58800 0.1396 0.2816 -0.21079 2019 11 14 58801 0.1381 0.2813 -0.21161 2019 11 15 58802 0.1366 0.2810 -0.21231 2019 11 16 58803 0.1351 0.2807 -0.21292 2019 11 17 58804 0.1335 0.2804 -0.21349 2019 11 18 58805 0.1320 0.2802 -0.21410 2019 11 19 58806 0.1304 0.2800 -0.21483 2019 11 20 58807 0.1288 0.2798 -0.21575 2019 11 21 58808 0.1273 0.2796 -0.21688 2019 11 22 58809 0.1257 0.2795 -0.21820 2019 11 23 58810 0.1241 0.2793 -0.21963 2019 11 24 58811 0.1226 0.2792 -0.22108 2019 11 25 58812 0.1210 0.2792 -0.22243 2019 11 26 58813 0.1194 0.2791 -0.22358 2019 11 27 58814 0.1178 0.2791 -0.22451 2019 11 28 58815 0.1163 0.2791 -0.22522 2019 11 29 58816 0.1147 0.2791 -0.22578 2019 11 30 58817 0.1131 0.2791 -0.22624 2019 12 1 58818 0.1115 0.2792 -0.22670 2019 12 2 58819 0.1099 0.2793 -0.22719 2019 12 3 58820 0.1084 0.2794 -0.22777 2019 12 4 58821 0.1068 0.2796 -0.22845 2019 12 5 58822 0.1052 0.2798 -0.22922 2019 12 6 58823 0.1036 0.2799 -0.23008 2019 12 7 58824 0.1021 0.2802 -0.23099 2019 12 8 58825 0.1005 0.2804 -0.23191 2019 12 9 58826 0.0990 0.2807 -0.23280 2019 12 10 58827 0.0974 0.2810 -0.23361 2019 12 11 58828 0.0959 0.2813 -0.23431 2019 12 12 58829 0.0943 0.2816 -0.23488 2019 12 13 58830 0.0928 0.2820 -0.23534 2019 12 14 58831 0.0913 0.2824 -0.23573 2019 12 15 58832 0.0897 0.2828 -0.23615 2019 12 16 58833 0.0882 0.2832 -0.23667 2019 12 17 58834 0.0867 0.2837 -0.23735 2019 12 18 58835 0.0852 0.2842 -0.23823 2019 12 19 58836 0.0837 0.2847 -0.23929 2019 12 20 58837 0.0823 0.2852 -0.24046 2019 12 21 58838 0.0808 0.2858 -0.24166 2019 12 22 58839 0.0794 0.2864 -0.24279 2019 12 23 58840 0.0779 0.2870 -0.24376 2019 12 24 58841 0.0765 0.2876 -0.24453 2019 12 25 58842 0.0751 0.2882 -0.24510 2019 12 26 58843 0.0737 0.2889 -0.24549 2019 12 27 58844 0.0723 0.2896 -0.24579 2019 12 28 58845 0.0709 0.2903 -0.24606 2019 12 29 58846 0.0695 0.2911 -0.24636 2019 12 30 58847 0.0682 0.2918 -0.24673 2019 12 31 58848 0.0668 0.2926 -0.24720 2020 1 1 58849 0.0655 0.2934 -0.24778 2020 1 2 58850 0.0642 0.2942 -0.24845 2020 1 3 58851 0.0629 0.2951 -0.24919 2020 1 4 58852 0.0616 0.2959 -0.24995 2020 1 5 58853 0.0604 0.2968 -0.25069 2020 1 6 58854 0.0591 0.2977 -0.25138 2020 1 7 58855 0.0579 0.2986 -0.25198 2020 1 8 58856 0.0567 0.2996 -0.25246 2020 1 9 58857 0.0555 0.3006 -0.25283 2020 1 10 58858 0.0544 0.3015 -0.25313 2020 1 11 58859 0.0532 0.3025 -0.25343 2020 1 12 58860 0.0521 0.3036 -0.25382 2020 1 13 58861 0.0510 0.3046 -0.25437 2020 1 14 58862 0.0499 0.3057 -0.25513 2020 1 15 58863 0.0488 0.3067 -0.25608 2020 1 16 58864 0.0478 0.3078 -0.25716 2020 1 17 58865 0.0468 0.3089 -0.25826 2020 1 18 58866 0.0457 0.3101 -0.25929 2020 1 19 58867 0.0448 0.3112 -0.26016 2020 1 20 58868 0.0438 0.3124 -0.26083 2020 1 21 58869 0.0429 0.3136 -0.26130 2020 1 22 58870 0.0420 0.3148 -0.26161 2020 1 23 58871 0.0411 0.3160 -0.26182 2020 1 24 58872 0.0402 0.3172 -0.26202 2020 1 25 58873 0.0394 0.3184 -0.26228 2020 1 26 58874 0.0386 0.3197 -0.26265 2020 1 27 58875 0.0378 0.3209 -0.26318 2020 1 28 58876 0.0370 0.3222 -0.26389 2020 1 29 58877 0.0362 0.3235 -0.26474 2020 1 30 58878 0.0355 0.3248 -0.26572 2020 1 31 58879 0.0348 0.3261 -0.26677 2020 2 1 58880 0.0342 0.3274 -0.26784 2020 2 2 58881 0.0335 0.3288 -0.26886 2020 2 3 58882 0.0329 0.3301 -0.26980 2020 2 4 58883 0.0323 0.3315 -0.27063 2020 2 5 58884 0.0318 0.3329 -0.27133 2020 2 6 58885 0.0312 0.3343 -0.27194 2020 2 7 58886 0.0307 0.3356 -0.27251 2020 2 8 58887 0.0303 0.3370 -0.27312 2020 2 9 58888 0.0298 0.3385 -0.27387 2020 2 10 58889 0.0294 0.3399 -0.27485 2020 2 11 58890 0.0290 0.3413 -0.27607 2020 2 12 58891 0.0286 0.3427 -0.27749 2020 2 13 58892 0.0283 0.3442 -0.27901 2020 2 14 58893 0.0280 0.3456 -0.28051 2020 2 15 58894 0.0277 0.3471 -0.28188 2020 2 16 58895 0.0274 0.3485 -0.28305 2020 2 17 58896 0.0272 0.3500 -0.28400 2020 2 18 58897 0.0270 0.3515 -0.28475 2020 2 19 58898 0.0268 0.3529 -0.28535 2020 2 20 58899 0.0267 0.3544 -0.28585 2020 2 21 58900 0.0266 0.3559 -0.28634 2020 2 22 58901 0.0265 0.3574 -0.28687 2020 2 23 58902 0.0264 0.3589 -0.28748 2020 2 24 58903 0.0264 0.3603 -0.28820 2020 2 25 58904 0.0264 0.3618 -0.28904 2020 2 26 58905 0.0265 0.3633 -0.28995 2020 2 27 58906 0.0265 0.3648 -0.29090 2020 2 28 58907 0.0266 0.3663 -0.29187 2020 2 29 58908 0.0267 0.3678 -0.29284 2020 3 1 58909 0.0269 0.3693 -0.29381 2020 3 2 58910 0.0271 0.3708 -0.29477 2020 3 3 58911 0.0273 0.3723 -0.29563 2020 3 4 58912 0.0275 0.3737 -0.29637 2020 3 5 58913 0.0278 0.3752 -0.29705 2020 3 6 58914 0.0281 0.3767 -0.29776 2020 3 7 58915 0.0284 0.3782 -0.29863 2020 3 8 58916 0.0288 0.3797 -0.29976 2020 3 9 58917 0.0292 0.3811 -0.30117 2020 3 10 58918 0.0296 0.3826 -0.30280 2020 3 11 58919 0.0300 0.3841 -0.30456 2020 3 12 58920 0.0305 0.3855 -0.30631 2020 3 13 58921 0.0310 0.3870 -0.30793 2020 3 14 58922 0.0315 0.3884 -0.30925 2020 3 15 58923 0.0321 0.3898 -0.31028 2020 3 16 58924 0.0327 0.3913 -0.31111 2020 3 17 58925 0.0333 0.3927 -0.31190 2020 3 18 58926 0.0339 0.3941 -0.31266 2020 3 19 58927 0.0346 0.3955 -0.31347 2020 3 20 58928 0.0353 0.3969 -0.31438 2020 3 21 58929 0.0360 0.3983 -0.31542 2020 3 22 58930 0.0368 0.3997 -0.31661 2020 3 23 58931 0.0375 0.4010 -0.31791 2020 3 24 58932 0.0383 0.4024 -0.31933 2020 3 25 58933 0.0392 0.4037 -0.32082 2020 3 26 58934 0.0400 0.4051 -0.32235 2020 3 27 58935 0.0409 0.4064 -0.32386 2020 3 28 58936 0.0418 0.4077 -0.32524 2020 3 29 58937 0.0428 0.4090 -0.32651 2020 3 30 58938 0.0437 0.4103 -0.32764 2020 3 31 58939 0.0447 0.4115 -0.32865 2020 4 1 58940 0.0457 0.4128 -0.32954 2020 4 2 58941 0.0468 0.4140 -0.33039 2020 4 3 58942 0.0478 0.4153 -0.33132 2020 4 4 58943 0.0489 0.4165 -0.33247 2020 4 5 58944 0.0500 0.4177 -0.33387 2020 4 6 58945 0.0511 0.4188 -0.33553 2020 4 7 58946 0.0523 0.4200 -0.33739 2020 4 8 58947 0.0535 0.4211 -0.33932 2020 4 9 58948 0.0547 0.4223 -0.34115 2020 4 10 58949 0.0559 0.4234 -0.34273 2020 4 11 58950 0.0571 0.4245 -0.34404 2020 4 12 58951 0.0584 0.4255 -0.34499 2020 4 13 58952 0.0597 0.4266 -0.34572 2020 4 14 58953 0.0610 0.4276 -0.34630 2020 4 15 58954 0.0623 0.4286 -0.34683 2020 4 16 58955 0.0637 0.4296 -0.34745 2020 4 17 58956 0.0650 0.4306 -0.34821 2020 4 18 58957 0.0664 0.4316 -0.34911 2020 4 19 58958 0.0678 0.4325 -0.35011 2020 4 20 58959 0.0693 0.4334 -0.35122 2020 4 21 58960 0.0707 0.4343 -0.35243 2020 4 22 58961 0.0722 0.4352 -0.35367 2020 4 23 58962 0.0736 0.4361 -0.35489 2020 4 24 58963 0.0751 0.4369 -0.35601 2020 4 25 58964 0.0766 0.4377 -0.35699 2020 4 26 58965 0.0782 0.4385 -0.35781 2020 4 27 58966 0.0797 0.4392 -0.35845 2020 4 28 58967 0.0813 0.4400 -0.35896 2020 4 29 58968 0.0828 0.4407 -0.35937 2020 4 30 58969 0.0844 0.4414 -0.35976 2020 5 1 58970 0.0860 0.4421 -0.36027 2020 5 2 58971 0.0876 0.4427 -0.36099 2020 5 3 58972 0.0893 0.4433 -0.36194 2020 5 4 58973 0.0909 0.4439 -0.36314 2020 5 5 58974 0.0926 0.4445 -0.36453 2020 5 6 58975 0.0942 0.4450 -0.36603 2020 5 7 58976 0.0959 0.4456 -0.36741 2020 5 8 58977 0.0976 0.4460 -0.36858 2020 5 9 58978 0.0993 0.4465 -0.36949 2020 5 10 58979 0.1010 0.4470 -0.37015 2020 5 11 58980 0.1027 0.4474 -0.37065 2020 5 12 58981 0.1044 0.4478 -0.37108 2020 5 13 58982 0.1061 0.4481 -0.37148 2020 5 14 58983 0.1079 0.4485 -0.37195 2020 5 15 58984 0.1096 0.4488 -0.37253 2020 5 16 58985 0.1114 0.4491 -0.37314 2020 5 17 58986 0.1131 0.4493 -0.37380 2020 5 18 58987 0.1149 0.4496 -0.37453 2020 5 19 58988 0.1166 0.4498 -0.37529 2020 5 20 58989 0.1184 0.4500 -0.37602 2020 5 21 58990 0.1202 0.4501 -0.37666 2020 5 22 58991 0.1220 0.4502 -0.37716 2020 5 23 58992 0.1237 0.4503 -0.37750 2020 5 24 58993 0.1255 0.4504 -0.37764 2020 5 25 58994 0.1273 0.4505 -0.37770 2020 5 26 58995 0.1291 0.4505 -0.37767 2020 5 27 58996 0.1309 0.4505 -0.37760 2020 5 28 58997 0.1327 0.4504 -0.37758 2020 5 29 58998 0.1344 0.4504 -0.37773 2020 5 30 58999 0.1362 0.4503 -0.37807 2020 5 31 59000 0.1380 0.4502 -0.37857 2020 6 1 59001 0.1398 0.4500 -0.37926 2020 6 2 59002 0.1416 0.4498 -0.38004 2020 6 3 59003 0.1433 0.4496 -0.38075 2020 6 4 59004 0.1451 0.4494 -0.38131 2020 6 5 59005 0.1469 0.4491 -0.38164 2020 6 6 59006 0.1486 0.4489 -0.38176 2020 6 7 59007 0.1504 0.4485 -0.38172 2020 6 8 59008 0.1522 0.4482 -0.38159 2020 6 9 59009 0.1539 0.4478 -0.38142 2020 6 10 59010 0.1556 0.4474 -0.38124 2020 6 11 59011 0.1574 0.4470 -0.38108 2020 6 12 59012 0.1591 0.4466 -0.38100 2020 6 13 59013 0.1608 0.4461 -0.38101 2020 6 14 59014 0.1625 0.4456 -0.38107 2020 6 15 59015 0.1642 0.4451 -0.38114 2020 6 16 59016 0.1659 0.4445 -0.38119 2020 6 17 59017 0.1676 0.4439 -0.38120 2020 6 18 59018 0.1692 0.4433 -0.38115 2020 6 19 59019 0.1709 0.4427 -0.38100 2020 6 20 59020 0.1725 0.4420 -0.38070 2020 6 21 59021 0.1742 0.4414 -0.38026 2020 6 22 59022 0.1758 0.4406 -0.37981 2020 6 23 59023 0.1774 0.4399 -0.37941 2020 6 24 59024 0.1790 0.4391 -0.37906 2020 6 25 59025 0.1805 0.4384 -0.37880 2020 6 26 59026 0.1821 0.4376 -0.37878 2020 6 27 59027 0.1836 0.4367 -0.37905 2020 6 28 59028 0.1852 0.4359 -0.37949 2020 6 29 59029 0.1867 0.4350 -0.38003 2020 6 30 59030 0.1882 0.4341 -0.38055 2020 7 1 59031 0.1897 0.4331 -0.38092 2020 7 2 59032 0.1911 0.4322 -0.38107 2020 7 3 59033 0.1926 0.4312 -0.38102 2020 7 4 59034 0.1940 0.4302 -0.38076 2020 7 5 59035 0.1954 0.4292 -0.38038 2020 7 6 59036 0.1968 0.4281 -0.37994 2020 7 7 59037 0.1981 0.4271 -0.37958 2020 7 8 59038 0.1995 0.4260 -0.37937 2020 7 9 59039 0.2008 0.4249 -0.37928 2020 7 10 59040 0.2021 0.4237 -0.37927 2020 7 11 59041 0.2034 0.4226 -0.37932 2020 7 12 59042 0.2046 0.4214 -0.37939 2020 7 13 59043 0.2059 0.4202 -0.37946 2020 7 14 59044 0.2071 0.4190 -0.37951 2020 7 15 59045 0.2083 0.4178 -0.37947 2020 7 16 59046 0.2094 0.4165 -0.37934 2020 7 17 59047 0.2106 0.4152 -0.37913 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) 58660 -108.93 0.15 -11.29 0.20 58661 -109.53 0.15 -11.10 0.20 58662 -110.31 0.15 -10.89 0.20 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58660 0.048 0.060 -0.218 0.204 58661 0.040 0.060 -0.209 0.204 58662 0.030 0.060 -0.201 0.204 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).