********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 7 March 2019 Vol. XXXII No. 010 ______________________________________________________________________ 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 = -0.1 seconds beginning 17 Jan 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 3 1 58543 0.03861 .00009 0.34405 .00009 -0.089256 0.000016 19 3 2 58544 0.04011 .00009 0.34570 .00009 -0.089698 0.000016 19 3 3 58545 0.04167 .00009 0.34732 .00009 -0.090204 0.000016 19 3 4 58546 0.04298 .00009 0.34901 .00009 -0.090721 0.000017 19 3 5 58547 0.04393 .00009 0.35083 .00009 -0.091318 0.000015 19 3 6 58548 0.04469 .00009 0.35258 .00009 -0.092002 0.000016 19 3 7 58549 0.04542 .00009 0.35424 .00009 -0.092797 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 = 0.1305 - 0.0968 cos A + 0.0303 sin A + 0.0179 cos C - 0.0305 sin C y = 0.3532 + 0.0280 cos A + 0.0878 sin A - 0.0305 cos C - 0.0179 sin C UT1-UTC = -0.0925 - 0.00065 (MJD - 58557) - (UT2-UT1) where A = 2*pi*(MJD-58549)/365.25 and C = 2*pi*(MJD-58549)/435. TAI-UTC(MJD 58550) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58549)**0.80 S t = 0.00025 (MJD-58549)**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 3 8 58550 0.0461 0.3559 -0.09371 2019 3 9 58551 0.0466 0.3575 -0.09467 2019 3 10 58552 0.0470 0.3589 -0.09566 2019 3 11 58553 0.0475 0.3603 -0.09665 2019 3 12 58554 0.0479 0.3617 -0.09761 2019 3 13 58555 0.0483 0.3630 -0.09849 2019 3 14 58556 0.0487 0.3642 -0.09925 2019 3 15 58557 0.0491 0.3655 -0.09993 2019 3 16 58558 0.0495 0.3668 -0.10060 2019 3 17 58559 0.0499 0.3681 -0.10134 2019 3 18 58560 0.0503 0.3694 -0.10223 2019 3 19 58561 0.0506 0.3707 -0.10332 2019 3 20 58562 0.0510 0.3719 -0.10463 2019 3 21 58563 0.0515 0.3731 -0.10613 2019 3 22 58564 0.0519 0.3742 -0.10771 2019 3 23 58565 0.0524 0.3753 -0.10924 2019 3 24 58566 0.0530 0.3763 -0.11063 2019 3 25 58567 0.0536 0.3774 -0.11183 2019 3 26 58568 0.0543 0.3785 -0.11285 2019 3 27 58569 0.0551 0.3796 -0.11373 2019 3 28 58570 0.0558 0.3807 -0.11452 2019 3 29 58571 0.0565 0.3819 -0.11528 2019 3 30 58572 0.0573 0.3831 -0.11607 2019 3 31 58573 0.0581 0.3843 -0.11692 2019 4 1 58574 0.0588 0.3854 -0.11788 2019 4 2 58575 0.0596 0.3866 -0.11897 2019 4 3 58576 0.0604 0.3877 -0.12018 2019 4 4 58577 0.0612 0.3888 -0.12152 2019 4 5 58578 0.0620 0.3899 -0.12293 2019 4 6 58579 0.0628 0.3909 -0.12440 2019 4 7 58580 0.0637 0.3920 -0.12585 2019 4 8 58581 0.0646 0.3930 -0.12726 2019 4 9 58582 0.0655 0.3940 -0.12856 2019 4 10 58583 0.0664 0.3950 -0.12976 2019 4 11 58584 0.0673 0.3959 -0.13086 2019 4 12 58585 0.0682 0.3969 -0.13190 2019 4 13 58586 0.0692 0.3978 -0.13296 2019 4 14 58587 0.0702 0.3987 -0.13410 2019 4 15 58588 0.0712 0.3995 -0.13540 2019 4 16 58589 0.0722 0.4004 -0.13690 2019 4 17 58590 0.0733 0.4012 -0.13857 2019 4 18 58591 0.0743 0.4020 -0.14035 2019 4 19 58592 0.0754 0.4028 -0.14213 2019 4 20 58593 0.0766 0.4036 -0.14381 2019 4 21 58594 0.0777 0.4044 -0.14530 2019 4 22 58595 0.0789 0.4051 -0.14656 2019 4 23 58596 0.0800 0.4058 -0.14760 2019 4 24 58597 0.0812 0.4066 -0.14846 2019 4 25 58598 0.0824 0.4073 -0.14921 2019 4 26 58599 0.0837 0.4080 -0.14991 2019 4 27 58600 0.0849 0.4086 -0.15061 2019 4 28 58601 0.0861 0.4093 -0.15136 2019 4 29 58602 0.0874 0.4099 -0.15220 2019 4 30 58603 0.0887 0.4105 -0.15314 2019 5 1 58604 0.0899 0.4111 -0.15418 2019 5 2 58605 0.0912 0.4117 -0.15530 2019 5 3 58606 0.0925 0.4122 -0.15646 2019 5 4 58607 0.0939 0.4128 -0.15761 2019 5 5 58608 0.0952 0.4133 -0.15869 2019 5 6 58609 0.0965 0.4138 -0.15966 2019 5 7 58610 0.0979 0.4142 -0.16050 2019 5 8 58611 0.0992 0.4147 -0.16121 2019 5 9 58612 0.1006 0.4151 -0.16184 2019 5 10 58613 0.1020 0.4155 -0.16245 2019 5 11 58614 0.1034 0.4159 -0.16312 2019 5 12 58615 0.1048 0.4162 -0.16392 2019 5 13 58616 0.1062 0.4166 -0.16488 2019 5 14 58617 0.1076 0.4169 -0.16601 2019 5 15 58618 0.1091 0.4172 -0.16726 2019 5 16 58619 0.1105 0.4174 -0.16855 2019 5 17 58620 0.1119 0.4177 -0.16977 2019 5 18 58621 0.1134 0.4179 -0.17083 2019 5 19 58622 0.1148 0.4181 -0.17168 2019 5 20 58623 0.1163 0.4183 -0.17230 2019 5 21 58624 0.1178 0.4185 -0.17272 2019 5 22 58625 0.1193 0.4186 -0.17301 2019 5 23 58626 0.1207 0.4187 -0.17323 2019 5 24 58627 0.1222 0.4188 -0.17342 2019 5 25 58628 0.1237 0.4189 -0.17366 2019 5 26 58629 0.1252 0.4189 -0.17396 2019 5 27 58630 0.1267 0.4190 -0.17435 2019 5 28 58631 0.1281 0.4190 -0.17483 2019 5 29 58632 0.1296 0.4189 -0.17539 2019 5 30 58633 0.1311 0.4189 -0.17599 2019 5 31 58634 0.1326 0.4188 -0.17661 2019 6 1 58635 0.1341 0.4188 -0.17720 2019 6 2 58636 0.1356 0.4186 -0.17769 2019 6 3 58637 0.1371 0.4185 -0.17806 2019 6 4 58638 0.1386 0.4183 -0.17828 2019 6 5 58639 0.1401 0.4182 -0.17839 2019 6 6 58640 0.1415 0.4180 -0.17845 2019 6 7 58641 0.1430 0.4177 -0.17855 2019 6 8 58642 0.1445 0.4175 -0.17875 2019 6 9 58643 0.1460 0.4172 -0.17910 2019 6 10 58644 0.1474 0.4169 -0.17959 2019 6 11 58645 0.1489 0.4166 -0.18020 2019 6 12 58646 0.1504 0.4163 -0.18085 2019 6 13 58647 0.1518 0.4159 -0.18145 2019 6 14 58648 0.1533 0.4155 -0.18192 2019 6 15 58649 0.1547 0.4151 -0.18221 2019 6 16 58650 0.1561 0.4147 -0.18229 2019 6 17 58651 0.1576 0.4142 -0.18218 2019 6 18 58652 0.1590 0.4138 -0.18193 2019 6 19 58653 0.1604 0.4133 -0.18158 2019 6 20 58654 0.1618 0.4128 -0.18120 2019 6 21 58655 0.1632 0.4122 -0.18084 2019 6 22 58656 0.1645 0.4117 -0.18055 2019 6 23 58657 0.1659 0.4111 -0.18034 2019 6 24 58658 0.1673 0.4105 -0.18026 2019 6 25 58659 0.1686 0.4099 -0.18026 2019 6 26 58660 0.1700 0.4092 -0.18033 2019 6 27 58661 0.1713 0.4086 -0.18044 2019 6 28 58662 0.1726 0.4079 -0.18053 2019 6 29 58663 0.1739 0.4072 -0.18058 2019 6 30 58664 0.1752 0.4065 -0.18053 2019 7 1 58665 0.1765 0.4057 -0.18036 2019 7 2 58666 0.1777 0.4050 -0.18008 2019 7 3 58667 0.1790 0.4042 -0.17974 2019 7 4 58668 0.1802 0.4034 -0.17942 2019 7 5 58669 0.1814 0.4026 -0.17920 2019 7 6 58670 0.1826 0.4017 -0.17916 2019 7 7 58671 0.1838 0.4009 -0.17930 2019 7 8 58672 0.1849 0.4000 -0.17957 2019 7 9 58673 0.1861 0.3991 -0.17990 2019 7 10 58674 0.1872 0.3982 -0.18021 2019 7 11 58675 0.1883 0.3973 -0.18040 2019 7 12 58676 0.1894 0.3963 -0.18042 2019 7 13 58677 0.1905 0.3954 -0.18026 2019 7 14 58678 0.1916 0.3944 -0.17992 2019 7 15 58679 0.1926 0.3934 -0.17944 2019 7 16 58680 0.1936 0.3924 -0.17888 2019 7 17 58681 0.1946 0.3914 -0.17829 2019 7 18 58682 0.1956 0.3903 -0.17772 2019 7 19 58683 0.1966 0.3893 -0.17722 2019 7 20 58684 0.1975 0.3882 -0.17682 2019 7 21 58685 0.1984 0.3871 -0.17653 2019 7 22 58686 0.1993 0.3860 -0.17635 2019 7 23 58687 0.2002 0.3849 -0.17626 2019 7 24 58688 0.2011 0.3838 -0.17621 2019 7 25 58689 0.2019 0.3826 -0.17618 2019 7 26 58690 0.2027 0.3815 -0.17613 2019 7 27 58691 0.2035 0.3803 -0.17602 2019 7 28 58692 0.2042 0.3791 -0.17582 2019 7 29 58693 0.2050 0.3779 -0.17552 2019 7 30 58694 0.2057 0.3767 -0.17516 2019 7 31 58695 0.2064 0.3755 -0.17481 2019 8 1 58696 0.2071 0.3743 -0.17456 2019 8 2 58697 0.2077 0.3731 -0.17449 2019 8 3 58698 0.2083 0.3718 -0.17465 2019 8 4 58699 0.2089 0.3706 -0.17500 2019 8 5 58700 0.2095 0.3693 -0.17547 2019 8 6 58701 0.2100 0.3680 -0.17594 2019 8 7 58702 0.2105 0.3667 -0.17631 2019 8 8 58703 0.2110 0.3655 -0.17651 2019 8 9 58704 0.2115 0.3642 -0.17652 2019 8 10 58705 0.2120 0.3629 -0.17635 2019 8 11 58706 0.2124 0.3615 -0.17604 2019 8 12 58707 0.2128 0.3602 -0.17564 2019 8 13 58708 0.2131 0.3589 -0.17521 2019 8 14 58709 0.2135 0.3576 -0.17481 2019 8 15 58710 0.2138 0.3562 -0.17449 2019 8 16 58711 0.2141 0.3549 -0.17427 2019 8 17 58712 0.2143 0.3536 -0.17416 2019 8 18 58713 0.2145 0.3522 -0.17418 2019 8 19 58714 0.2147 0.3509 -0.17430 2019 8 20 58715 0.2149 0.3495 -0.17448 2019 8 21 58716 0.2151 0.3481 -0.17469 2019 8 22 58717 0.2152 0.3468 -0.17489 2019 8 23 58718 0.2153 0.3454 -0.17504 2019 8 24 58719 0.2153 0.3440 -0.17512 2019 8 25 58720 0.2154 0.3427 -0.17512 2019 8 26 58721 0.2154 0.3413 -0.17506 2019 8 27 58722 0.2154 0.3400 -0.17498 2019 8 28 58723 0.2153 0.3386 -0.17498 2019 8 29 58724 0.2153 0.3372 -0.17516 2019 8 30 58725 0.2152 0.3359 -0.17557 2019 8 31 58726 0.2150 0.3345 -0.17623 2019 9 1 58727 0.2149 0.3331 -0.17707 2019 9 2 58728 0.2147 0.3318 -0.17799 2019 9 3 58729 0.2145 0.3304 -0.17885 2019 9 4 58730 0.2142 0.3291 -0.17954 2019 9 5 58731 0.2140 0.3277 -0.18002 2019 9 6 58732 0.2137 0.3264 -0.18028 2019 9 7 58733 0.2134 0.3250 -0.18036 2019 9 8 58734 0.2130 0.3237 -0.18032 2019 9 9 58735 0.2126 0.3223 -0.18022 2019 9 10 58736 0.2122 0.3210 -0.18012 2019 9 11 58737 0.2118 0.3197 -0.18007 2019 9 12 58738 0.2114 0.3184 -0.18009 2019 9 13 58739 0.2109 0.3171 -0.18022 2019 9 14 58740 0.2104 0.3158 -0.18046 2019 9 15 58741 0.2098 0.3145 -0.18079 2019 9 16 58742 0.2093 0.3132 -0.18120 2019 9 17 58743 0.2087 0.3119 -0.18166 2019 9 18 58744 0.2081 0.3106 -0.18212 2019 9 19 58745 0.2074 0.3094 -0.18254 2019 9 20 58746 0.2067 0.3081 -0.18290 2019 9 21 58747 0.2061 0.3069 -0.18319 2019 9 22 58748 0.2053 0.3057 -0.18341 2019 9 23 58749 0.2046 0.3045 -0.18361 2019 9 24 58750 0.2038 0.3032 -0.18386 2019 9 25 58751 0.2030 0.3021 -0.18426 2019 9 26 58752 0.2022 0.3009 -0.18488 2019 9 27 58753 0.2014 0.2997 -0.18578 2019 9 28 58754 0.2005 0.2985 -0.18693 2019 9 29 58755 0.1996 0.2974 -0.18826 2019 9 30 58756 0.1987 0.2963 -0.18962 2019 10 1 58757 0.1977 0.2952 -0.19089 2019 10 2 58758 0.1968 0.2941 -0.19199 2019 10 3 58759 0.1958 0.2930 -0.19288 2019 10 4 58760 0.1948 0.2919 -0.19359 2019 10 5 58761 0.1938 0.2908 -0.19417 2019 10 6 58762 0.1927 0.2898 -0.19469 2019 10 7 58763 0.1916 0.2888 -0.19523 2019 10 8 58764 0.1905 0.2878 -0.19584 2019 10 9 58765 0.1894 0.2868 -0.19653 2019 10 10 58766 0.1883 0.2858 -0.19734 2019 10 11 58767 0.1871 0.2848 -0.19827 2019 10 12 58768 0.1859 0.2839 -0.19931 2019 10 13 58769 0.1847 0.2830 -0.20045 2019 10 14 58770 0.1835 0.2821 -0.20164 2019 10 15 58771 0.1823 0.2812 -0.20286 2019 10 16 58772 0.1810 0.2803 -0.20408 2019 10 17 58773 0.1797 0.2795 -0.20524 2019 10 18 58774 0.1784 0.2786 -0.20626 2019 10 19 58775 0.1771 0.2778 -0.20715 2019 10 20 58776 0.1758 0.2770 -0.20795 2019 10 21 58777 0.1744 0.2763 -0.20875 2019 10 22 58778 0.1731 0.2755 -0.20964 2019 10 23 58779 0.1717 0.2748 -0.21069 2019 10 24 58780 0.1703 0.2741 -0.21198 2019 10 25 58781 0.1689 0.2734 -0.21355 2019 10 26 58782 0.1675 0.2728 -0.21535 2019 10 27 58783 0.1660 0.2721 -0.21723 2019 10 28 58784 0.1646 0.2715 -0.21905 2019 10 29 58785 0.1631 0.2709 -0.22074 2019 10 30 58786 0.1616 0.2703 -0.22227 2019 10 31 58787 0.1601 0.2698 -0.22361 2019 11 1 58788 0.1586 0.2693 -0.22482 2019 11 2 58789 0.1571 0.2687 -0.22592 2019 11 3 58790 0.1556 0.2683 -0.22693 2019 11 4 58791 0.1540 0.2678 -0.22793 2019 11 5 58792 0.1525 0.2674 -0.22895 2019 11 6 58793 0.1509 0.2670 -0.23002 2019 11 7 58794 0.1493 0.2666 -0.23120 2019 11 8 58795 0.1478 0.2662 -0.23251 2019 11 9 58796 0.1462 0.2659 -0.23392 2019 11 10 58797 0.1446 0.2656 -0.23539 2019 11 11 58798 0.1430 0.2653 -0.23682 2019 11 12 58799 0.1413 0.2650 -0.23815 2019 11 13 58800 0.1397 0.2648 -0.23934 2019 11 14 58801 0.1381 0.2646 -0.24036 2019 11 15 58802 0.1365 0.2644 -0.24127 2019 11 16 58803 0.1348 0.2642 -0.24210 2019 11 17 58804 0.1332 0.2641 -0.24293 2019 11 18 58805 0.1315 0.2640 -0.24379 2019 11 19 58806 0.1299 0.2639 -0.24469 2019 11 20 58807 0.1282 0.2638 -0.24571 2019 11 21 58808 0.1266 0.2638 -0.24685 2019 11 22 58809 0.1249 0.2638 -0.24813 2019 11 23 58810 0.1233 0.2638 -0.24948 2019 11 24 58811 0.1216 0.2638 -0.25075 2019 11 25 58812 0.1199 0.2639 -0.25190 2019 11 26 58813 0.1183 0.2640 -0.25286 2019 11 27 58814 0.1166 0.2641 -0.25360 2019 11 28 58815 0.1149 0.2642 -0.25416 2019 11 29 58816 0.1133 0.2644 -0.25458 2019 11 30 58817 0.1116 0.2646 -0.25495 2019 12 1 58818 0.1100 0.2648 -0.25521 2019 12 2 58819 0.1083 0.2651 -0.25548 2019 12 3 58820 0.1066 0.2653 -0.25587 2019 12 4 58821 0.1050 0.2656 -0.25636 2019 12 5 58822 0.1033 0.2660 -0.25701 2019 12 6 58823 0.1017 0.2663 -0.25781 2019 12 7 58824 0.1001 0.2667 -0.25872 2019 12 8 58825 0.0984 0.2671 -0.25970 2019 12 9 58826 0.0968 0.2675 -0.26069 2019 12 10 58827 0.0952 0.2679 -0.26160 2019 12 11 58828 0.0936 0.2684 -0.26239 2019 12 12 58829 0.0920 0.2689 -0.26309 2019 12 13 58830 0.0904 0.2694 -0.26370 2019 12 14 58831 0.0888 0.2700 -0.26430 2019 12 15 58832 0.0872 0.2706 -0.26496 2019 12 16 58833 0.0857 0.2712 -0.26572 2019 12 17 58834 0.0841 0.2718 -0.26668 2019 12 18 58835 0.0826 0.2724 -0.26787 2019 12 19 58836 0.0811 0.2731 -0.26927 2019 12 20 58837 0.0795 0.2738 -0.27073 2019 12 21 58838 0.0780 0.2745 -0.27223 2019 12 22 58839 0.0765 0.2753 -0.27368 2019 12 23 58840 0.0750 0.2760 -0.27496 2019 12 24 58841 0.0736 0.2768 -0.27608 2019 12 25 58842 0.0721 0.2776 -0.27699 2019 12 26 58843 0.0707 0.2785 -0.27775 2019 12 27 58844 0.0693 0.2793 -0.27837 2019 12 28 58845 0.0678 0.2802 -0.27895 2019 12 29 58846 0.0664 0.2811 -0.27951 2019 12 30 58847 0.0651 0.2820 -0.28011 2019 12 31 58848 0.0637 0.2830 -0.28085 2020 1 1 58849 0.0624 0.2839 -0.28173 2020 1 2 58850 0.0610 0.2849 -0.28265 2020 1 3 58851 0.0597 0.2859 -0.28358 2020 1 4 58852 0.0584 0.2869 -0.28453 2020 1 5 58853 0.0572 0.2880 -0.28547 2020 1 6 58854 0.0559 0.2890 -0.28630 2020 1 7 58855 0.0547 0.2901 -0.28697 2020 1 8 58856 0.0535 0.2912 -0.28750 2020 1 9 58857 0.0523 0.2924 -0.28793 2020 1 10 58858 0.0511 0.2935 -0.28823 2020 1 11 58859 0.0500 0.2947 -0.28854 2020 1 12 58860 0.0488 0.2959 -0.28889 2020 1 13 58861 0.0477 0.2971 -0.28942 2020 1 14 58862 0.0467 0.2983 -0.29019 2020 1 15 58863 0.0456 0.2995 -0.29118 2020 1 16 58864 0.0446 0.3008 -0.29234 2020 1 17 58865 0.0435 0.3020 -0.29351 2020 1 18 58866 0.0426 0.3033 -0.29464 2020 1 19 58867 0.0416 0.3046 -0.29570 2020 1 20 58868 0.0407 0.3059 -0.29657 2020 1 21 58869 0.0397 0.3072 -0.29724 2020 1 22 58870 0.0388 0.3086 -0.29778 2020 1 23 58871 0.0380 0.3099 -0.29826 2020 1 24 58872 0.0371 0.3113 -0.29869 2020 1 25 58873 0.0363 0.3127 -0.29913 2020 1 26 58874 0.0355 0.3141 -0.29967 2020 1 27 58875 0.0348 0.3155 -0.30030 2020 1 28 58876 0.0340 0.3169 -0.30102 2020 1 29 58877 0.0333 0.3184 -0.30185 2020 1 30 58878 0.0327 0.3198 -0.30282 2020 1 31 58879 0.0320 0.3213 -0.30381 2020 2 1 58880 0.0314 0.3227 -0.30480 2020 2 2 58881 0.0308 0.3242 -0.30574 2020 2 3 58882 0.0302 0.3257 -0.30660 2020 2 4 58883 0.0297 0.3272 -0.30730 2020 2 5 58884 0.0292 0.3287 -0.30786 2020 2 6 58885 0.0287 0.3302 -0.30832 2020 2 7 58886 0.0282 0.3317 -0.30872 2020 2 8 58887 0.0278 0.3333 -0.30917 2020 2 9 58888 0.0274 0.3348 -0.30973 2020 2 10 58889 0.0271 0.3363 -0.31053 2020 2 11 58890 0.0267 0.3379 -0.31160 2020 2 12 58891 0.0264 0.3394 -0.31281 2020 2 13 58892 0.0262 0.3410 -0.31399 2020 2 14 58893 0.0259 0.3426 -0.31509 2020 2 15 58894 0.0257 0.3441 -0.31606 2020 2 16 58895 0.0255 0.3457 -0.31684 2020 2 17 58896 0.0254 0.3473 -0.31743 2020 2 18 58897 0.0252 0.3489 -0.31791 2020 2 19 58898 0.0252 0.3504 -0.31830 2020 2 20 58899 0.0251 0.3520 -0.31863 2020 2 21 58900 0.0251 0.3536 -0.31897 2020 2 22 58901 0.0251 0.3552 -0.31935 2020 2 23 58902 0.0251 0.3568 -0.31984 2020 2 24 58903 0.0252 0.3584 -0.32048 2020 2 25 58904 0.0253 0.3600 -0.32124 2020 2 26 58905 0.0254 0.3615 -0.32208 2020 2 27 58906 0.0256 0.3631 -0.32295 2020 2 28 58907 0.0257 0.3647 -0.32383 2020 2 29 58908 0.0260 0.3663 -0.32463 2020 3 1 58909 0.0262 0.3679 -0.32539 2020 3 2 58910 0.0265 0.3694 -0.32610 2020 3 3 58911 0.0268 0.3710 -0.32670 2020 3 4 58912 0.0271 0.3726 -0.32718 2020 3 5 58913 0.0275 0.3741 -0.32764 2020 3 6 58914 0.0279 0.3757 -0.32817 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) 58527 -106.01 0.75 -8.42 0.15 58528 -105.95 0.75 -8.27 0.15 58529 -106.18 0.75 -8.06 0.15 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58527 0.298 0.300 -0.145 0.146 58528 0.295 0.300 -0.154 0.146 58529 0.287 0.300 -0.169 0.146 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).