********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 15 August 2019 Vol. XXXII No. 033 ______________________________________________________________________ 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 * * 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 8 9 58704 0.21320 .00009 0.38643 .00009 -0.160523 0.000014 19 8 10 58705 0.21362 .00009 0.38523 .00009 -0.160086 0.000012 19 8 11 58706 0.21404 .00009 0.38377 .00009 -0.159491 0.000013 19 8 12 58707 0.21451 .00009 0.38216 .00009 -0.158818 0.000013 19 8 13 58708 0.21501 .00009 0.38055 .00009 -0.158079 0.000017 19 8 14 58709 0.21560 .00009 0.37904 .00009 -0.157353 0.000017 19 8 15 58710 0.21622 .00009 0.37774 .00009 -0.156737 0.000017 _______________________________________________________________________ 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 = 0.1339 + 0.0892 cos A + 0.0392 sin A - 0.0052 cos C - 0.0050 sin C y = 0.3477 + 0.0349 cos A - 0.0770 sin A - 0.0050 cos C + 0.0052 sin C UT1-UTC = -0.1707 - 0.00057 (MJD - 58718) - (UT2-UT1) where A = 2*pi*(MJD-58710)/365.25 and C = 2*pi*(MJD-58710)/435. TAI-UTC(MJD 58711) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58710)**0.80 S t = 0.00025 (MJD-58710)**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 8 16 58711 0.2167 0.3765 -0.15626 2019 8 17 58712 0.2171 0.3753 -0.15588 2019 8 18 58713 0.2174 0.3740 -0.15558 2019 8 19 58714 0.2176 0.3726 -0.15533 2019 8 20 58715 0.2178 0.3711 -0.15513 2019 8 21 58716 0.2181 0.3696 -0.15497 2019 8 22 58717 0.2183 0.3681 -0.15482 2019 8 23 58718 0.2186 0.3666 -0.15463 2019 8 24 58719 0.2188 0.3652 -0.15436 2019 8 25 58720 0.2190 0.3637 -0.15400 2019 8 26 58721 0.2192 0.3623 -0.15359 2019 8 27 58722 0.2193 0.3608 -0.15320 2019 8 28 58723 0.2193 0.3593 -0.15291 2019 8 29 58724 0.2194 0.3578 -0.15280 2019 8 30 58725 0.2194 0.3563 -0.15294 2019 8 31 58726 0.2194 0.3548 -0.15335 2019 9 1 58727 0.2194 0.3533 -0.15399 2019 9 2 58728 0.2194 0.3519 -0.15471 2019 9 3 58729 0.2193 0.3504 -0.15537 2019 9 4 58730 0.2192 0.3489 -0.15589 2019 9 5 58731 0.2191 0.3475 -0.15619 2019 9 6 58732 0.2189 0.3460 -0.15629 2019 9 7 58733 0.2187 0.3445 -0.15622 2019 9 8 58734 0.2185 0.3430 -0.15603 2019 9 9 58735 0.2182 0.3415 -0.15580 2019 9 10 58736 0.2180 0.3401 -0.15560 2019 9 11 58737 0.2177 0.3386 -0.15545 2019 9 12 58738 0.2173 0.3372 -0.15540 2019 9 13 58739 0.2169 0.3357 -0.15548 2019 9 14 58740 0.2165 0.3343 -0.15567 2019 9 15 58741 0.2161 0.3329 -0.15599 2019 9 16 58742 0.2156 0.3314 -0.15638 2019 9 17 58743 0.2151 0.3300 -0.15681 2019 9 18 58744 0.2146 0.3286 -0.15723 2019 9 19 58745 0.2141 0.3272 -0.15762 2019 9 20 58746 0.2135 0.3258 -0.15794 2019 9 21 58747 0.2129 0.3244 -0.15818 2019 9 22 58748 0.2123 0.3230 -0.15837 2019 9 23 58749 0.2116 0.3217 -0.15855 2019 9 24 58750 0.2109 0.3203 -0.15878 2019 9 25 58751 0.2102 0.3190 -0.15917 2019 9 26 58752 0.2094 0.3176 -0.15978 2019 9 27 58753 0.2086 0.3163 -0.16067 2019 9 28 58754 0.2078 0.3150 -0.16181 2019 9 29 58755 0.2070 0.3137 -0.16311 2019 9 30 58756 0.2062 0.3124 -0.16444 2019 10 1 58757 0.2053 0.3111 -0.16567 2019 10 2 58758 0.2044 0.3098 -0.16671 2019 10 3 58759 0.2034 0.3086 -0.16751 2019 10 4 58760 0.2025 0.3073 -0.16812 2019 10 5 58761 0.2015 0.3061 -0.16857 2019 10 6 58762 0.2004 0.3049 -0.16896 2019 10 7 58763 0.1994 0.3037 -0.16934 2019 10 8 58764 0.1983 0.3025 -0.16977 2019 10 9 58765 0.1973 0.3013 -0.17031 2019 10 10 58766 0.1961 0.3002 -0.17095 2019 10 11 58767 0.1950 0.2991 -0.17173 2019 10 12 58768 0.1938 0.2980 -0.17262 2019 10 13 58769 0.1927 0.2969 -0.17359 2019 10 14 58770 0.1915 0.2958 -0.17460 2019 10 15 58771 0.1902 0.2947 -0.17561 2019 10 16 58772 0.1890 0.2937 -0.17656 2019 10 17 58773 0.1877 0.2927 -0.17742 2019 10 18 58774 0.1864 0.2917 -0.17816 2019 10 19 58775 0.1851 0.2907 -0.17881 2019 10 20 58776 0.1838 0.2897 -0.17940 2019 10 21 58777 0.1824 0.2888 -0.17998 2019 10 22 58778 0.1810 0.2878 -0.18064 2019 10 23 58779 0.1796 0.2869 -0.18147 2019 10 24 58780 0.1782 0.2861 -0.18251 2019 10 25 58781 0.1768 0.2852 -0.18379 2019 10 26 58782 0.1754 0.2844 -0.18526 2019 10 27 58783 0.1739 0.2835 -0.18682 2019 10 28 58784 0.1724 0.2828 -0.18834 2019 10 29 58785 0.1709 0.2820 -0.18970 2019 10 30 58786 0.1694 0.2812 -0.19082 2019 10 31 58787 0.1679 0.2805 -0.19171 2019 11 1 58788 0.1663 0.2798 -0.19241 2019 11 2 58789 0.1648 0.2791 -0.19298 2019 11 3 58790 0.1632 0.2785 -0.19350 2019 11 4 58791 0.1616 0.2778 -0.19403 2019 11 5 58792 0.1600 0.2772 -0.19464 2019 11 6 58793 0.1584 0.2767 -0.19533 2019 11 7 58794 0.1567 0.2761 -0.19614 2019 11 8 58795 0.1551 0.2756 -0.19705 2019 11 9 58796 0.1535 0.2751 -0.19804 2019 11 10 58797 0.1518 0.2746 -0.19908 2019 11 11 58798 0.1501 0.2741 -0.20011 2019 11 12 58799 0.1484 0.2737 -0.20109 2019 11 13 58800 0.1468 0.2733 -0.20197 2019 11 14 58801 0.1451 0.2729 -0.20273 2019 11 15 58802 0.1433 0.2726 -0.20336 2019 11 16 58803 0.1416 0.2722 -0.20389 2019 11 17 58804 0.1399 0.2719 -0.20438 2019 11 18 58805 0.1382 0.2717 -0.20492 2019 11 19 58806 0.1364 0.2714 -0.20557 2019 11 20 58807 0.1347 0.2712 -0.20640 2019 11 21 58808 0.1329 0.2710 -0.20745 2019 11 22 58809 0.1312 0.2708 -0.20868 2019 11 23 58810 0.1294 0.2707 -0.21003 2019 11 24 58811 0.1277 0.2706 -0.21140 2019 11 25 58812 0.1259 0.2705 -0.21267 2019 11 26 58813 0.1242 0.2705 -0.21376 2019 11 27 58814 0.1224 0.2704 -0.21462 2019 11 28 58815 0.1206 0.2704 -0.21527 2019 11 29 58816 0.1189 0.2704 -0.21577 2019 11 30 58817 0.1171 0.2705 -0.21619 2019 12 1 58818 0.1153 0.2706 -0.21660 2019 12 2 58819 0.1135 0.2707 -0.21702 2019 12 3 58820 0.1118 0.2708 -0.21752 2019 12 4 58821 0.1100 0.2710 -0.21813 2019 12 5 58822 0.1083 0.2712 -0.21883 2019 12 6 58823 0.1065 0.2714 -0.21963 2019 12 7 58824 0.1047 0.2716 -0.22048 2019 12 8 58825 0.1030 0.2719 -0.22134 2019 12 9 58826 0.1012 0.2722 -0.22218 2019 12 10 58827 0.0995 0.2725 -0.22293 2019 12 11 58828 0.0978 0.2729 -0.22358 2019 12 12 58829 0.0960 0.2732 -0.22410 2019 12 13 58830 0.0943 0.2736 -0.22452 2019 12 14 58831 0.0926 0.2741 -0.22487 2019 12 15 58832 0.0909 0.2745 -0.22524 2019 12 16 58833 0.0892 0.2750 -0.22572 2019 12 17 58834 0.0875 0.2755 -0.22636 2019 12 18 58835 0.0858 0.2761 -0.22720 2019 12 19 58836 0.0842 0.2766 -0.22822 2019 12 20 58837 0.0825 0.2772 -0.22935 2019 12 21 58838 0.0808 0.2778 -0.23051 2019 12 22 58839 0.0792 0.2785 -0.23160 2019 12 23 58840 0.0776 0.2791 -0.23253 2019 12 24 58841 0.0760 0.2798 -0.23327 2019 12 25 58842 0.0744 0.2806 -0.23379 2019 12 26 58843 0.0728 0.2813 -0.23415 2019 12 27 58844 0.0712 0.2821 -0.23441 2019 12 28 58845 0.0697 0.2829 -0.23465 2019 12 29 58846 0.0681 0.2837 -0.23491 2019 12 30 58847 0.0666 0.2845 -0.23525 2019 12 31 58848 0.0651 0.2854 -0.23570 2020 1 1 58849 0.0636 0.2863 -0.23625 2020 1 2 58850 0.0621 0.2872 -0.23690 2020 1 3 58851 0.0606 0.2881 -0.23762 2020 1 4 58852 0.0592 0.2891 -0.23836 2020 1 5 58853 0.0578 0.2901 -0.23910 2020 1 6 58854 0.0564 0.2911 -0.23978 2020 1 7 58855 0.0550 0.2921 -0.24037 2020 1 8 58856 0.0536 0.2931 -0.24085 2020 1 9 58857 0.0523 0.2942 -0.24123 2020 1 10 58858 0.0510 0.2953 -0.24154 2020 1 11 58859 0.0496 0.2964 -0.24186 2020 1 12 58860 0.0484 0.2975 -0.24227 2020 1 13 58861 0.0471 0.2987 -0.24285 2020 1 14 58862 0.0459 0.2999 -0.24364 2020 1 15 58863 0.0447 0.3011 -0.24463 2020 1 16 58864 0.0435 0.3023 -0.24576 2020 1 17 58865 0.0423 0.3035 -0.24693 2020 1 18 58866 0.0411 0.3048 -0.24803 2020 1 19 58867 0.0400 0.3060 -0.24898 2020 1 20 58868 0.0389 0.3073 -0.24975 2020 1 21 58869 0.0379 0.3086 -0.25031 2020 1 22 58870 0.0368 0.3099 -0.25072 2020 1 23 58871 0.0358 0.3113 -0.25102 2020 1 24 58872 0.0348 0.3126 -0.25129 2020 1 25 58873 0.0338 0.3140 -0.25158 2020 1 26 58874 0.0329 0.3154 -0.25196 2020 1 27 58875 0.0320 0.3168 -0.25244 2020 1 28 58876 0.0311 0.3182 -0.25304 2020 1 29 58877 0.0302 0.3196 -0.25374 2020 1 30 58878 0.0294 0.3211 -0.25452 2020 1 31 58879 0.0286 0.3225 -0.25535 2020 2 1 58880 0.0278 0.3240 -0.25617 2020 2 2 58881 0.0271 0.3255 -0.25696 2020 2 3 58882 0.0264 0.3270 -0.25767 2020 2 4 58883 0.0257 0.3285 -0.25829 2020 2 5 58884 0.0250 0.3300 -0.25881 2020 2 6 58885 0.0244 0.3315 -0.25926 2020 2 7 58886 0.0238 0.3331 -0.25968 2020 2 8 58887 0.0232 0.3346 -0.26018 2020 2 9 58888 0.0227 0.3362 -0.26084 2020 2 10 58889 0.0222 0.3377 -0.26173 2020 2 11 58890 0.0217 0.3393 -0.26286 2020 2 12 58891 0.0212 0.3409 -0.26418 2020 2 13 58892 0.0208 0.3425 -0.26556 2020 2 14 58893 0.0204 0.3441 -0.26688 2020 2 15 58894 0.0201 0.3457 -0.26803 2020 2 16 58895 0.0198 0.3473 -0.26895 2020 2 17 58896 0.0195 0.3489 -0.26963 2020 2 18 58897 0.0192 0.3506 -0.27010 2020 2 19 58898 0.0190 0.3522 -0.27042 2020 2 20 58899 0.0188 0.3538 -0.27066 2020 2 21 58900 0.0186 0.3555 -0.27091 2020 2 22 58901 0.0185 0.3571 -0.27121 2020 2 23 58902 0.0184 0.3588 -0.27162 2020 2 24 58903 0.0183 0.3604 -0.27216 2020 2 25 58904 0.0183 0.3620 -0.27283 2020 2 26 58905 0.0183 0.3637 -0.27362 2020 2 27 58906 0.0183 0.3653 -0.27449 2020 2 28 58907 0.0184 0.3670 -0.27541 2020 2 29 58908 0.0185 0.3686 -0.27633 2020 3 1 58909 0.0186 0.3703 -0.27722 2020 3 2 58910 0.0188 0.3720 -0.27808 2020 3 3 58911 0.0189 0.3736 -0.27889 2020 3 4 58912 0.0192 0.3752 -0.27968 2020 3 5 58913 0.0194 0.3769 -0.28048 2020 3 6 58914 0.0197 0.3785 -0.28136 2020 3 7 58915 0.0200 0.3802 -0.28239 2020 3 8 58916 0.0204 0.3818 -0.28367 2020 3 9 58917 0.0208 0.3834 -0.28523 2020 3 10 58918 0.0212 0.3851 -0.28704 2020 3 11 58919 0.0216 0.3867 -0.28900 2020 3 12 58920 0.0221 0.3883 -0.29098 2020 3 13 58921 0.0226 0.3899 -0.29283 2020 3 14 58922 0.0232 0.3915 -0.29446 2020 3 15 58923 0.0238 0.3931 -0.29585 2020 3 16 58924 0.0244 0.3947 -0.29704 2020 3 17 58925 0.0250 0.3962 -0.29809 2020 3 18 58926 0.0257 0.3978 -0.29908 2020 3 19 58927 0.0264 0.3994 -0.30006 2020 3 20 58928 0.0271 0.4009 -0.30109 2020 3 21 58929 0.0279 0.4024 -0.30218 2020 3 22 58930 0.0286 0.4040 -0.30337 2020 3 23 58931 0.0295 0.4055 -0.30467 2020 3 24 58932 0.0303 0.4070 -0.30606 2020 3 25 58933 0.0312 0.4085 -0.30752 2020 3 26 58934 0.0321 0.4100 -0.30898 2020 3 27 58935 0.0331 0.4114 -0.31038 2020 3 28 58936 0.0340 0.4129 -0.31166 2020 3 29 58937 0.0350 0.4143 -0.31281 2020 3 30 58938 0.0360 0.4157 -0.31382 2020 3 31 58939 0.0371 0.4171 -0.31468 2020 4 1 58940 0.0382 0.4185 -0.31542 2020 4 2 58941 0.0393 0.4199 -0.31615 2020 4 3 58942 0.0404 0.4213 -0.31697 2020 4 4 58943 0.0416 0.4226 -0.31795 2020 4 5 58944 0.0428 0.4239 -0.31924 2020 4 6 58945 0.0440 0.4252 -0.32080 2020 4 7 58946 0.0452 0.4265 -0.32262 2020 4 8 58947 0.0465 0.4278 -0.32458 2020 4 9 58948 0.0478 0.4291 -0.32654 2020 4 10 58949 0.0491 0.4303 -0.32832 2020 4 11 58950 0.0505 0.4315 -0.32979 2020 4 12 58951 0.0518 0.4327 -0.33105 2020 4 13 58952 0.0532 0.4339 -0.33209 2020 4 14 58953 0.0546 0.4350 -0.33293 2020 4 15 58954 0.0561 0.4362 -0.33365 2020 4 16 58955 0.0575 0.4373 -0.33438 2020 4 17 58956 0.0590 0.4384 -0.33518 2020 4 18 58957 0.0605 0.4394 -0.33600 2020 4 19 58958 0.0620 0.4405 -0.33691 2020 4 20 58959 0.0636 0.4415 -0.33789 2020 4 21 58960 0.0651 0.4425 -0.33894 2020 4 22 58961 0.0667 0.4435 -0.33999 2020 4 23 58962 0.0683 0.4444 -0.34097 2020 4 24 58963 0.0700 0.4454 -0.34189 2020 4 25 58964 0.0716 0.4463 -0.34272 2020 4 26 58965 0.0733 0.4472 -0.34349 2020 4 27 58966 0.0749 0.4480 -0.34421 2020 4 28 58967 0.0766 0.4488 -0.34483 2020 4 29 58968 0.0783 0.4497 -0.34536 2020 4 30 58969 0.0801 0.4504 -0.34590 2020 5 1 58970 0.0818 0.4512 -0.34656 2020 5 2 58971 0.0836 0.4519 -0.34742 2020 5 3 58972 0.0853 0.4526 -0.34857 2020 5 4 58973 0.0871 0.4533 -0.34997 2020 5 5 58974 0.0889 0.4539 -0.35148 2020 5 6 58975 0.0908 0.4546 -0.35298 2020 5 7 58976 0.0926 0.4552 -0.35435 2020 5 8 58977 0.0944 0.4557 -0.35547 2020 5 9 58978 0.0963 0.4563 -0.35623 2020 5 10 58979 0.0981 0.4568 -0.35669 2020 5 11 58980 0.1000 0.4572 -0.35700 2020 5 12 58981 0.1019 0.4577 -0.35733 2020 5 13 58982 0.1038 0.4581 -0.35770 2020 5 14 58983 0.1057 0.4585 -0.35818 2020 5 15 58984 0.1076 0.4589 -0.35878 2020 5 16 58985 0.1095 0.4592 -0.35951 2020 5 17 58986 0.1114 0.4595 -0.36036 2020 5 18 58987 0.1134 0.4598 -0.36127 2020 5 19 58988 0.1153 0.4601 -0.36221 2020 5 20 58989 0.1172 0.4603 -0.36312 2020 5 21 58990 0.1192 0.4605 -0.36400 2020 5 22 58991 0.1211 0.4606 -0.36476 2020 5 23 58992 0.1231 0.4608 -0.36534 2020 5 24 58993 0.1250 0.4609 -0.36576 2020 5 25 58994 0.1270 0.4610 -0.36604 2020 5 26 58995 0.1290 0.4610 -0.36623 2020 5 27 58996 0.1309 0.4610 -0.36637 2020 5 28 58997 0.1329 0.4610 -0.36655 2020 5 29 58998 0.1349 0.4609 -0.36690 2020 5 30 58999 0.1368 0.4609 -0.36749 2020 5 31 59000 0.1388 0.4608 -0.36829 2020 6 1 59001 0.1408 0.4606 -0.36926 2020 6 2 59002 0.1427 0.4605 -0.37026 2020 6 3 59003 0.1447 0.4603 -0.37119 2020 6 4 59004 0.1466 0.4600 -0.37188 2020 6 5 59005 0.1486 0.4598 -0.37227 2020 6 6 59006 0.1505 0.4595 -0.37239 2020 6 7 59007 0.1525 0.4592 -0.37221 2020 6 8 59008 0.1544 0.4588 -0.37191 2020 6 9 59009 0.1563 0.4585 -0.37154 2020 6 10 59010 0.1582 0.4581 -0.37120 2020 6 11 59011 0.1602 0.4576 -0.37101 2020 6 12 59012 0.1621 0.4572 -0.37099 2020 6 13 59013 0.1640 0.4567 -0.37109 2020 6 14 59014 0.1659 0.4561 -0.37126 2020 6 15 59015 0.1677 0.4556 -0.37149 2020 6 16 59016 0.1696 0.4550 -0.37173 2020 6 17 59017 0.1715 0.4544 -0.37194 2020 6 18 59018 0.1733 0.4538 -0.37205 2020 6 19 59019 0.1751 0.4531 -0.37201 2020 6 20 59020 0.1770 0.4524 -0.37182 2020 6 21 59021 0.1788 0.4517 -0.37147 2020 6 22 59022 0.1806 0.4509 -0.37100 2020 6 23 59023 0.1824 0.4502 -0.37047 2020 6 24 59024 0.1841 0.4494 -0.36996 2020 6 25 59025 0.1859 0.4485 -0.36955 2020 6 26 59026 0.1876 0.4477 -0.36934 2020 6 27 59027 0.1893 0.4468 -0.36935 2020 6 28 59028 0.1910 0.4459 -0.36952 2020 6 29 59029 0.1927 0.4449 -0.36977 2020 6 30 59030 0.1944 0.4440 -0.37005 2020 7 1 59031 0.1960 0.4430 -0.37027 2020 7 2 59032 0.1977 0.4420 -0.37030 2020 7 3 59033 0.1993 0.4409 -0.37011 2020 7 4 59034 0.2009 0.4398 -0.36974 2020 7 5 59035 0.2025 0.4387 -0.36923 2020 7 6 59036 0.2040 0.4376 -0.36869 2020 7 7 59037 0.2055 0.4365 -0.36821 2020 7 8 59038 0.2071 0.4353 -0.36779 2020 7 9 59039 0.2085 0.4341 -0.36750 2020 7 10 59040 0.2100 0.4329 -0.36735 2020 7 11 59041 0.2114 0.4317 -0.36721 2020 7 12 59042 0.2129 0.4304 -0.36711 2020 7 13 59043 0.2143 0.4292 -0.36702 2020 7 14 59044 0.2156 0.4279 -0.36692 2020 7 15 59045 0.2170 0.4265 -0.36673 2020 7 16 59046 0.2183 0.4252 -0.36642 2020 7 17 59047 0.2196 0.4238 -0.36597 2020 7 18 59048 0.2208 0.4224 -0.36538 2020 7 19 59049 0.2221 0.4210 -0.36466 2020 7 20 59050 0.2233 0.4196 -0.36396 2020 7 21 59051 0.2245 0.4182 -0.36331 2020 7 22 59052 0.2256 0.4167 -0.36277 2020 7 23 59053 0.2268 0.4152 -0.36240 2020 7 24 59054 0.2279 0.4137 -0.36228 2020 7 25 59055 0.2290 0.4122 -0.36234 2020 7 26 59056 0.2300 0.4107 -0.36246 2020 7 27 59057 0.2310 0.4091 -0.36261 2020 7 28 59058 0.2320 0.4076 -0.36266 2020 7 29 59059 0.2330 0.4060 -0.36250 2020 7 30 59060 0.2339 0.4044 -0.36217 2020 7 31 59061 0.2348 0.4028 -0.36166 2020 8 1 59062 0.2356 0.4012 -0.36105 2020 8 2 59063 0.2365 0.3995 -0.36045 2020 8 3 59064 0.2373 0.3979 -0.35991 2020 8 4 59065 0.2380 0.3962 -0.35945 2020 8 5 59066 0.2388 0.3945 -0.35906 2020 8 6 59067 0.2395 0.3928 -0.35876 2020 8 7 59068 0.2402 0.3911 -0.35856 2020 8 8 59069 0.2408 0.3894 -0.35844 2020 8 9 59070 0.2414 0.3877 -0.35833 2020 8 10 59071 0.2420 0.3860 -0.35820 2020 8 11 59072 0.2425 0.3842 -0.35801 2020 8 12 59073 0.2430 0.3825 -0.35774 2020 8 13 59074 0.2435 0.3807 -0.35741 2020 8 14 59075 0.2439 0.3789 -0.35703 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) 58691 -115.52 0.13 -10.90 0.16 58692 -115.76 0.13 -10.86 0.13 58693 -115.68 0.13 -10.88 0.13 58694 -115.59 0.13 -11.04 0.10 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58691 -0.041 0.053 -0.172 0.158 58692 -0.045 0.052 -0.158 0.126 58693 -0.049 0.052 -0.141 0.126 58694 -0.053 0.051 -0.123 0.100 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).