********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 7 November 2019 Vol. XXXII No. 045 ______________________________________________________________________ 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 *********************************************************************** * * * Notice of Publication Web and FTP Shutdown: * * The US Naval Observatory's Rapid Service/Prediction Center web and * * FTP sites (at maia.usno.navy.mil and toshi.nofs.navy.mil) must * * undergo modernization and have been offline since 24 October 2019. * * The expected completion of work and return of service is estimated * * as 30 April 2020. Please visit https://www.usno.navy.mil and submit * * a Requirements Form to the USNO Public Affairs Official (PAO) if * * the information you are seeking is not accessible via another * * means. If the Requirements Form is not available, please directly * * contact the USNO PAO Geoff Chester at email address * * geoff.chester@navy.mil or phone number 202 762 1438. * * * * This shutdown has lead to the indefinite cessation of IERS * * Bulletin A distribution emails. If this occurs, current * * subscribers to the Bulletin A email distribution list may receive * * future mailings from a different address (if this service is * * restored). In the meantime, we will be unable to process email * * subscription/unsubscription requests. * * * * Currently, updated EOPs may be available at NASA's Archive of * * Space Geodesy Data anonymous FTP server at: * * ftp://cddis.gsfc.nasa.gov/pub/products/iers * * Daily EOP data may be uploaded here by 18:00 UTC, and * * Bulletin A EOP data may be available by 20:00 UTC. * * Users should please verify results obtained from this site; * * we cannot guarantee the integrity or timeliness of files provided * * at this mirror site. * * * * For other download options from CDDIS, such as HTTPS, please refer * * to the https://cddis.nasa.gov/About/CDDIS_File_Download_FAQ.html * * * * Questions and enquiries about EOPs 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 11 1 58788 0.16605 .00009 0.28109 .00009 -0.159217 0.000006 19 11 2 58789 0.16537 .00009 0.28020 .00009 -0.159205 0.000006 19 11 3 58790 0.16467 .00009 0.27939 .00009 -0.159176 0.000006 19 11 4 58791 0.16392 .00009 0.27872 .00009 -0.159221 0.000005 19 11 5 58792 0.16314 .00009 0.27823 .00009 -0.159285 0.000005 19 11 6 58793 0.16236 .00009 0.27797 .00009 -0.159461 0.000005 19 11 7 58794 0.16147 .00009 0.27787 .00009 -0.159788 0.000055 IERS Final Values MJD x y UT1-UTC " " s 19 9 2 58728 0.2142 0.3498 -0.15424 19 9 3 58729 0.2138 0.3485 -0.15481 19 9 4 58730 0.2135 0.3468 -0.15527 19 9 5 58731 0.2133 0.3452 -0.15552 19 9 6 58732 0.2133 0.3433 -0.15554 19 9 7 58733 0.2136 0.3416 -0.15535 19 9 8 58734 0.2137 0.3402 -0.15511 19 9 9 58735 0.2136 0.3389 -0.15472 19 9 10 58736 0.2129 0.3376 -0.15430 19 9 11 58737 0.2116 0.3363 -0.15394 19 9 12 58738 0.2103 0.3345 -0.15360 19 9 13 58739 0.2094 0.3325 -0.15338 19 9 14 58740 0.2088 0.3307 -0.15329 19 9 15 58741 0.2084 0.3295 -0.15332 19 9 16 58742 0.2079 0.3284 -0.15333 19 9 17 58743 0.2074 0.3269 -0.15333 19 9 18 58744 0.2069 0.3255 -0.15329 19 9 19 58745 0.2061 0.3241 -0.15317 19 9 20 58746 0.2049 0.3230 -0.15292 19 9 21 58747 0.2037 0.3217 -0.15255 19 9 22 58748 0.2030 0.3204 -0.15210 19 9 23 58749 0.2022 0.3194 -0.15165 19 9 24 58750 0.2016 0.3186 -0.15122 19 9 25 58751 0.2011 0.3177 -0.15090 19 9 26 58752 0.2001 0.3172 -0.15088 19 9 27 58753 0.1994 0.3162 -0.15121 19 9 28 58754 0.1991 0.3156 -0.15181 19 9 29 58755 0.1989 0.3146 -0.15251 19 9 30 58756 0.1988 0.3135 -0.15321 19 10 1 58757 0.1984 0.3122 -0.15375 _______________________________________________________________________ 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 = 0.1324 + 0.0548 cos A - 0.1053 sin A - 0.0257 cos C + 0.0184 sin C y = 0.3562 - 0.0956 cos A - 0.0505 sin A + 0.0184 cos C + 0.0257 sin C UT1-UTC = -0.1548 - 0.00044 (MJD - 58802) - (UT2-UT1) where A = 2*pi*(MJD-58794)/365.25 and C = 2*pi*(MJD-58794)/435. TAI-UTC(MJD 58795) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58794)**0.80 S t = 0.00025 (MJD-58794)**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 11 8 58795 0.1604 0.2777 -0.16028 2019 11 9 58796 0.1592 0.2776 -0.16092 2019 11 10 58797 0.1580 0.2774 -0.16162 2019 11 11 58798 0.1566 0.2772 -0.16233 2019 11 12 58799 0.1552 0.2769 -0.16299 2019 11 13 58800 0.1538 0.2766 -0.16354 2019 11 14 58801 0.1524 0.2763 -0.16395 2019 11 15 58802 0.1510 0.2761 -0.16423 2019 11 16 58803 0.1495 0.2758 -0.16442 2019 11 17 58804 0.1480 0.2757 -0.16459 2019 11 18 58805 0.1465 0.2755 -0.16481 2019 11 19 58806 0.1450 0.2754 -0.16513 2019 11 20 58807 0.1434 0.2753 -0.16560 2019 11 21 58808 0.1418 0.2751 -0.16623 2019 11 22 58809 0.1402 0.2750 -0.16703 2019 11 23 58810 0.1386 0.2749 -0.16791 2019 11 24 58811 0.1370 0.2748 -0.16876 2019 11 25 58812 0.1354 0.2748 -0.16950 2019 11 26 58813 0.1338 0.2747 -0.17005 2019 11 27 58814 0.1322 0.2747 -0.17035 2019 11 28 58815 0.1306 0.2747 -0.17045 2019 11 29 58816 0.1289 0.2747 -0.17039 2019 11 30 58817 0.1273 0.2747 -0.17027 2019 12 1 58818 0.1257 0.2748 -0.17012 2019 12 2 58819 0.1241 0.2748 -0.17000 2019 12 3 58820 0.1225 0.2749 -0.16993 2019 12 4 58821 0.1209 0.2750 -0.16994 2019 12 5 58822 0.1193 0.2752 -0.17003 2019 12 6 58823 0.1177 0.2754 -0.17019 2019 12 7 58824 0.1161 0.2756 -0.17038 2019 12 8 58825 0.1145 0.2758 -0.17057 2019 12 9 58826 0.1129 0.2760 -0.17073 2019 12 10 58827 0.1113 0.2763 -0.17082 2019 12 11 58828 0.1097 0.2766 -0.17079 2019 12 12 58829 0.1081 0.2769 -0.17063 2019 12 13 58830 0.1066 0.2772 -0.17035 2019 12 14 58831 0.1050 0.2776 -0.17002 2019 12 15 58832 0.1035 0.2780 -0.16970 2019 12 16 58833 0.1019 0.2784 -0.16949 2019 12 17 58834 0.1004 0.2789 -0.16947 2019 12 18 58835 0.0989 0.2793 -0.16964 2019 12 19 58836 0.0973 0.2798 -0.17002 2019 12 20 58837 0.0958 0.2804 -0.17053 2019 12 21 58838 0.0943 0.2809 -0.17109 2019 12 22 58839 0.0928 0.2815 -0.17160 2019 12 23 58840 0.0914 0.2821 -0.17196 2019 12 24 58841 0.0899 0.2827 -0.17214 2019 12 25 58842 0.0884 0.2833 -0.17213 2019 12 26 58843 0.0870 0.2840 -0.17196 2019 12 27 58844 0.0855 0.2847 -0.17171 2019 12 28 58845 0.0841 0.2854 -0.17144 2019 12 29 58846 0.0827 0.2862 -0.17121 2019 12 30 58847 0.0813 0.2869 -0.17107 2019 12 31 58848 0.0799 0.2877 -0.17104 2020 1 1 58849 0.0785 0.2885 -0.17113 2020 1 2 58850 0.0772 0.2893 -0.17132 2020 1 3 58851 0.0758 0.2902 -0.17158 2020 1 4 58852 0.0745 0.2911 -0.17189 2020 1 5 58853 0.0732 0.2920 -0.17219 2020 1 6 58854 0.0719 0.2929 -0.17246 2020 1 7 58855 0.0706 0.2938 -0.17265 2020 1 8 58856 0.0693 0.2948 -0.17273 2020 1 9 58857 0.0681 0.2958 -0.17272 2020 1 10 58858 0.0669 0.2968 -0.17264 2020 1 11 58859 0.0657 0.2978 -0.17258 2020 1 12 58860 0.0645 0.2988 -0.17261 2020 1 13 58861 0.0633 0.2999 -0.17282 2020 1 14 58862 0.0621 0.3010 -0.17324 2020 1 15 58863 0.0610 0.3021 -0.17388 2020 1 16 58864 0.0599 0.3032 -0.17464 2020 1 17 58865 0.0588 0.3043 -0.17545 2020 1 18 58866 0.0577 0.3055 -0.17619 2020 1 19 58867 0.0567 0.3066 -0.17679 2020 1 20 58868 0.0557 0.3078 -0.17721 2020 1 21 58869 0.0546 0.3090 -0.17743 2020 1 22 58870 0.0537 0.3102 -0.17749 2020 1 23 58871 0.0527 0.3115 -0.17746 2020 1 24 58872 0.0518 0.3127 -0.17740 2020 1 25 58873 0.0508 0.3140 -0.17738 2020 1 26 58874 0.0499 0.3153 -0.17744 2020 1 27 58875 0.0491 0.3166 -0.17762 2020 1 28 58876 0.0482 0.3179 -0.17794 2020 1 29 58877 0.0474 0.3192 -0.17837 2020 1 30 58878 0.0466 0.3205 -0.17889 2020 1 31 58879 0.0458 0.3219 -0.17946 2020 2 1 58880 0.0451 0.3233 -0.18005 2020 2 2 58881 0.0444 0.3246 -0.18060 2020 2 3 58882 0.0437 0.3260 -0.18109 2020 2 4 58883 0.0430 0.3274 -0.18149 2020 2 5 58884 0.0424 0.3288 -0.18181 2020 2 6 58885 0.0418 0.3302 -0.18206 2020 2 7 58886 0.0412 0.3317 -0.18230 2020 2 8 58887 0.0406 0.3331 -0.18262 2020 2 9 58888 0.0401 0.3345 -0.18312 2020 2 10 58889 0.0396 0.3360 -0.18386 2020 2 11 58890 0.0391 0.3375 -0.18485 2020 2 12 58891 0.0386 0.3389 -0.18605 2020 2 13 58892 0.0382 0.3404 -0.18732 2020 2 14 58893 0.0378 0.3419 -0.18856 2020 2 15 58894 0.0375 0.3434 -0.18966 2020 2 16 58895 0.0371 0.3449 -0.19055 2020 2 17 58896 0.0368 0.3464 -0.19123 2020 2 18 58897 0.0365 0.3479 -0.19173 2020 2 19 58898 0.0363 0.3494 -0.19212 2020 2 20 58899 0.0360 0.3509 -0.19246 2020 2 21 58900 0.0359 0.3525 -0.19282 2020 2 22 58901 0.0357 0.3540 -0.19325 2020 2 23 58902 0.0355 0.3555 -0.19380 2020 2 24 58903 0.0354 0.3571 -0.19432 2020 2 25 58904 0.0354 0.3586 -0.19496 2020 2 26 58905 0.0353 0.3601 -0.19569 2020 2 27 58906 0.0353 0.3617 -0.19649 2020 2 28 58907 0.0353 0.3632 -0.19729 2020 2 29 58908 0.0353 0.3647 -0.19807 2020 3 1 58909 0.0354 0.3663 -0.19877 2020 3 2 58910 0.0355 0.3678 -0.19939 2020 3 3 58911 0.0356 0.3693 -0.19990 2020 3 4 58912 0.0358 0.3709 -0.20034 2020 3 5 58913 0.0360 0.3724 -0.20074 2020 3 6 58914 0.0362 0.3739 -0.20118 2020 3 7 58915 0.0364 0.3755 -0.20176 2020 3 8 58916 0.0367 0.3770 -0.20256 2020 3 9 58917 0.0370 0.3785 -0.20365 2020 3 10 58918 0.0373 0.3800 -0.20499 2020 3 11 58919 0.0377 0.3815 -0.20649 2020 3 12 58920 0.0381 0.3830 -0.20802 2020 3 13 58921 0.0385 0.3845 -0.20943 2020 3 14 58922 0.0390 0.3860 -0.21062 2020 3 15 58923 0.0394 0.3875 -0.21157 2020 3 16 58924 0.0400 0.3890 -0.21230 2020 3 17 58925 0.0405 0.3904 -0.21287 2020 3 18 58926 0.0411 0.3919 -0.21336 2020 3 19 58927 0.0416 0.3933 -0.21385 2020 3 20 58928 0.0423 0.3948 -0.21440 2020 3 21 58929 0.0429 0.3962 -0.21504 2020 3 22 58930 0.0436 0.3976 -0.21579 2020 3 23 58931 0.0443 0.3990 -0.21667 2020 3 24 58932 0.0450 0.4004 -0.21763 2020 3 25 58933 0.0458 0.4018 -0.21867 2020 3 26 58934 0.0466 0.4032 -0.21972 2020 3 27 58935 0.0474 0.4046 -0.22074 2020 3 28 58936 0.0482 0.4059 -0.22168 2020 3 29 58937 0.0491 0.4072 -0.22253 2020 3 30 58938 0.0500 0.4086 -0.22326 2020 3 31 58939 0.0509 0.4099 -0.22389 2020 4 1 58940 0.0519 0.4112 -0.22446 2020 4 2 58941 0.0528 0.4125 -0.22503 2020 4 3 58942 0.0538 0.4137 -0.22568 2020 4 4 58943 0.0548 0.4150 -0.22650 2020 4 5 58944 0.0559 0.4162 -0.22758 2020 4 6 58945 0.0570 0.4174 -0.22894 2020 4 7 58946 0.0581 0.4186 -0.23053 2020 4 8 58947 0.0592 0.4198 -0.23222 2020 4 9 58948 0.0603 0.4210 -0.23387 2020 4 10 58949 0.0615 0.4221 -0.23533 2020 4 11 58950 0.0627 0.4233 -0.23653 2020 4 12 58951 0.0639 0.4244 -0.23747 2020 4 13 58952 0.0651 0.4255 -0.23820 2020 4 14 58953 0.0664 0.4265 -0.23879 2020 4 15 58954 0.0676 0.4276 -0.23934 2020 4 16 58955 0.0689 0.4286 -0.23991 2020 4 17 58956 0.0703 0.4296 -0.24056 2020 4 18 58957 0.0716 0.4306 -0.24130 2020 4 19 58958 0.0730 0.4316 -0.24215 2020 4 20 58959 0.0743 0.4326 -0.24309 2020 4 21 58960 0.0757 0.4335 -0.24409 2020 4 22 58961 0.0772 0.4344 -0.24510 2020 4 23 58962 0.0786 0.4353 -0.24609 2020 4 24 58963 0.0800 0.4361 -0.24699 2020 4 25 58964 0.0815 0.4370 -0.24778 2020 4 26 58965 0.0830 0.4378 -0.24844 2020 4 27 58966 0.0845 0.4386 -0.24897 2020 4 28 58967 0.0860 0.4394 -0.24940 2020 4 29 58968 0.0876 0.4401 -0.24978 2020 4 30 58969 0.0891 0.4408 -0.25020 2020 5 1 58970 0.0907 0.4415 -0.25074 2020 5 2 58971 0.0923 0.4422 -0.25148 2020 5 3 58972 0.0939 0.4428 -0.25246 2020 5 4 58973 0.0955 0.4435 -0.25368 2020 5 5 58974 0.0971 0.4441 -0.25505 2020 5 6 58975 0.0987 0.4446 -0.25646 2020 5 7 58976 0.1004 0.4452 -0.25775 2020 5 8 58977 0.1020 0.4457 -0.25882 2020 5 9 58978 0.1037 0.4462 -0.25961 2020 5 10 58979 0.1054 0.4467 -0.26016 2020 5 11 58980 0.1071 0.4471 -0.26053 2020 5 12 58981 0.1088 0.4475 -0.26082 2020 5 13 58982 0.1105 0.4479 -0.26112 2020 5 14 58983 0.1122 0.4483 -0.26149 2020 5 15 58984 0.1139 0.4486 -0.26197 2020 5 16 58985 0.1157 0.4489 -0.26258 2020 5 17 58986 0.1174 0.4492 -0.26330 2020 5 18 58987 0.1192 0.4494 -0.26410 2020 5 19 58988 0.1209 0.4497 -0.26493 2020 5 20 58989 0.1227 0.4499 -0.26575 2020 5 21 58990 0.1245 0.4500 -0.26649 2020 5 22 58991 0.1262 0.4502 -0.26710 2020 5 23 58992 0.1280 0.4503 -0.26755 2020 5 24 58993 0.1298 0.4504 -0.26784 2020 5 25 58994 0.1316 0.4504 -0.26800 2020 5 26 58995 0.1334 0.4505 -0.26806 2020 5 27 58996 0.1351 0.4505 -0.26811 2020 5 28 58997 0.1369 0.4504 -0.26822 2020 5 29 58998 0.1387 0.4504 -0.26847 2020 5 30 58999 0.1405 0.4503 -0.26890 2020 5 31 59000 0.1423 0.4502 -0.26952 2020 6 1 59001 0.1441 0.4500 -0.27030 2020 6 2 59002 0.1459 0.4499 -0.27113 2020 6 3 59003 0.1477 0.4497 -0.27191 2020 6 4 59004 0.1495 0.4495 -0.27250 2020 6 5 59005 0.1512 0.4492 -0.27284 2020 6 6 59006 0.1530 0.4489 -0.27290 2020 6 7 59007 0.1548 0.4486 -0.27271 2020 6 8 59008 0.1566 0.4483 -0.27237 2020 6 9 59009 0.1583 0.4479 -0.27196 2020 6 10 59010 0.1601 0.4475 -0.27155 2020 6 11 59011 0.1619 0.4471 -0.27122 2020 6 12 59012 0.1636 0.4467 -0.27098 2020 6 13 59013 0.1653 0.4462 -0.27084 2020 6 14 59014 0.1671 0.4457 -0.27079 2020 6 15 59015 0.1688 0.4452 -0.27079 2020 6 16 59016 0.1705 0.4446 -0.27079 2020 6 17 59017 0.1722 0.4440 -0.27072 2020 6 18 59018 0.1739 0.4434 -0.27058 2020 6 19 59019 0.1756 0.4428 -0.27035 2020 6 20 59020 0.1773 0.4421 -0.26995 2020 6 21 59021 0.1790 0.4414 -0.26951 2020 6 22 59022 0.1806 0.4407 -0.26902 2020 6 23 59023 0.1823 0.4400 -0.26854 2020 6 24 59024 0.1839 0.4392 -0.26811 2020 6 25 59025 0.1855 0.4384 -0.26780 2020 6 26 59026 0.1871 0.4376 -0.26767 2020 6 27 59027 0.1887 0.4368 -0.26777 2020 6 28 59028 0.1903 0.4359 -0.26807 2020 6 29 59029 0.1918 0.4350 -0.26842 2020 6 30 59030 0.1934 0.4341 -0.26875 2020 7 1 59031 0.1949 0.4332 -0.26896 2020 7 2 59032 0.1964 0.4322 -0.26896 2020 7 3 59033 0.1979 0.4312 -0.26871 2020 7 4 59034 0.1994 0.4302 -0.26823 2020 7 5 59035 0.2009 0.4292 -0.26762 2020 7 6 59036 0.2023 0.4281 -0.26693 2020 7 7 59037 0.2037 0.4270 -0.26626 2020 7 8 59038 0.2051 0.4259 -0.26570 2020 7 9 59039 0.2065 0.4248 -0.26525 2020 7 10 59040 0.2079 0.4237 -0.26489 2020 7 11 59041 0.2092 0.4225 -0.26460 2020 7 12 59042 0.2105 0.4213 -0.26433 2020 7 13 59043 0.2118 0.4201 -0.26407 2020 7 14 59044 0.2131 0.4189 -0.26379 2020 7 15 59045 0.2144 0.4176 -0.26343 2020 7 16 59046 0.2156 0.4164 -0.26298 2020 7 17 59047 0.2168 0.4151 -0.26240 2020 7 18 59048 0.2180 0.4138 -0.26166 2020 7 19 59049 0.2192 0.4125 -0.26081 2020 7 20 59050 0.2203 0.4111 -0.25996 2020 7 21 59051 0.2214 0.4098 -0.25918 2020 7 22 59052 0.2225 0.4084 -0.25856 2020 7 23 59053 0.2236 0.4070 -0.25811 2020 7 24 59054 0.2246 0.4056 -0.25787 2020 7 25 59055 0.2256 0.4042 -0.25786 2020 7 26 59056 0.2266 0.4027 -0.25795 2020 7 27 59057 0.2276 0.4013 -0.25804 2020 7 28 59058 0.2285 0.3998 -0.25803 2020 7 29 59059 0.2294 0.3983 -0.25785 2020 7 30 59060 0.2303 0.3968 -0.25750 2020 7 31 59061 0.2312 0.3953 -0.25692 2020 8 1 59062 0.2320 0.3938 -0.25621 2020 8 2 59063 0.2328 0.3922 -0.25547 2020 8 3 59064 0.2335 0.3907 -0.25477 2020 8 4 59065 0.2343 0.3891 -0.25419 2020 8 5 59066 0.2350 0.3875 -0.25375 2020 8 6 59067 0.2357 0.3859 -0.25350 2020 8 7 59068 0.2363 0.3843 -0.25336 2020 8 8 59069 0.2370 0.3827 -0.25334 2020 8 9 59070 0.2375 0.3811 -0.25340 2020 8 10 59071 0.2381 0.3795 -0.25350 2020 8 11 59072 0.2386 0.3778 -0.25358 2020 8 12 59073 0.2391 0.3762 -0.25359 2020 8 13 59074 0.2396 0.3746 -0.25355 2020 8 14 59075 0.2401 0.3729 -0.25345 2020 8 15 59076 0.2405 0.3712 -0.25326 2020 8 16 59077 0.2408 0.3696 -0.25306 2020 8 17 59078 0.2412 0.3679 -0.25289 2020 8 18 59079 0.2415 0.3662 -0.25281 2020 8 19 59080 0.2418 0.3645 -0.25297 2020 8 20 59081 0.2420 0.3628 -0.25340 2020 8 21 59082 0.2423 0.3611 -0.25407 2020 8 22 59083 0.2425 0.3594 -0.25491 2020 8 23 59084 0.2426 0.3577 -0.25582 2020 8 24 59085 0.2427 0.3560 -0.25664 2020 8 25 59086 0.2428 0.3543 -0.25727 2020 8 26 59087 0.2429 0.3526 -0.25760 2020 8 27 59088 0.2429 0.3509 -0.25770 2020 8 28 59089 0.2429 0.3492 -0.25768 2020 8 29 59090 0.2429 0.3475 -0.25760 2020 8 30 59091 0.2428 0.3458 -0.25759 2020 8 31 59092 0.2427 0.3441 -0.25770 2020 9 1 59093 0.2426 0.3424 -0.25794 2020 9 2 59094 0.2424 0.3407 -0.25839 2020 9 3 59095 0.2422 0.3390 -0.25893 2020 9 4 59096 0.2420 0.3373 -0.25952 2020 9 5 59097 0.2417 0.3356 -0.26018 2020 9 6 59098 0.2414 0.3339 -0.26081 2020 9 7 59099 0.2411 0.3323 -0.26138 2020 9 8 59100 0.2408 0.3306 -0.26190 2020 9 9 59101 0.2404 0.3289 -0.26232 2020 9 10 59102 0.2399 0.3273 -0.26262 2020 9 11 59103 0.2395 0.3256 -0.26281 2020 9 12 59104 0.2390 0.3239 -0.26292 2020 9 13 59105 0.2385 0.3223 -0.26302 2020 9 14 59106 0.2379 0.3207 -0.26320 2020 9 15 59107 0.2374 0.3191 -0.26355 2020 9 16 59108 0.2368 0.3174 -0.26412 2020 9 17 59109 0.2361 0.3158 -0.26498 2020 9 18 59110 0.2355 0.3142 -0.26609 2020 9 19 59111 0.2347 0.3127 -0.26729 2020 9 20 59112 0.2340 0.3111 -0.26852 2020 9 21 59113 0.2333 0.3095 -0.26959 2020 9 22 59114 0.2325 0.3080 -0.27045 2020 9 23 59115 0.2316 0.3065 -0.27109 2020 9 24 59116 0.2308 0.3049 -0.27160 2020 9 25 59117 0.2299 0.3034 -0.27200 2020 9 26 59118 0.2290 0.3019 -0.27235 2020 9 27 59119 0.2281 0.3005 -0.27283 2020 9 28 59120 0.2271 0.2990 -0.27342 2020 9 29 59121 0.2261 0.2975 -0.27408 2020 9 30 59122 0.2251 0.2961 -0.27481 2020 10 1 59123 0.2240 0.2947 -0.27562 2020 10 2 59124 0.2229 0.2933 -0.27650 2020 10 3 59125 0.2218 0.2919 -0.27733 2020 10 4 59126 0.2207 0.2906 -0.27809 2020 10 5 59127 0.2195 0.2892 -0.27877 2020 10 6 59128 0.2183 0.2879 -0.27935 2020 10 7 59129 0.2171 0.2866 -0.27980 2020 10 8 59130 0.2159 0.2853 -0.28011 2020 10 9 59131 0.2146 0.2840 -0.28036 2020 10 10 59132 0.2133 0.2828 -0.28064 2020 10 11 59133 0.2120 0.2815 -0.28105 2020 10 12 59134 0.2107 0.2803 -0.28170 2020 10 13 59135 0.2093 0.2792 -0.28258 2020 10 14 59136 0.2079 0.2780 -0.28372 2020 10 15 59137 0.2065 0.2769 -0.28510 2020 10 16 59138 0.2051 0.2757 -0.28667 2020 10 17 59139 0.2036 0.2746 -0.28831 2020 10 18 59140 0.2022 0.2736 -0.28987 2020 10 19 59141 0.2007 0.2725 -0.29122 2020 10 20 59142 0.1992 0.2715 -0.29225 2020 10 21 59143 0.1976 0.2705 -0.29299 2020 10 22 59144 0.1961 0.2695 -0.29355 2020 10 23 59145 0.1945 0.2686 -0.29405 2020 10 24 59146 0.1929 0.2676 -0.29448 2020 10 25 59147 0.1913 0.2667 -0.29498 2020 10 26 59148 0.1896 0.2659 -0.29562 2020 10 27 59149 0.1880 0.2650 -0.29649 2020 10 28 59150 0.1863 0.2642 -0.29753 2020 10 29 59151 0.1846 0.2634 -0.29868 2020 10 30 59152 0.1829 0.2626 -0.29989 2020 10 31 59153 0.1812 0.2619 -0.30112 2020 11 1 59154 0.1794 0.2612 -0.30229 2020 11 2 59155 0.1777 0.2605 -0.30334 2020 11 3 59156 0.1759 0.2598 -0.30429 2020 11 4 59157 0.1741 0.2592 -0.30509 2020 11 5 59158 0.1723 0.2586 -0.30583 2020 11 6 59159 0.1705 0.2580 -0.30653 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) 58775 -114.76 0.14 -9.27 0.19 58776 -114.85 0.14 -9.31 0.18 58777 -114.73 0.14 -9.27 0.18 58778 -114.36 0.13 -9.13 0.14 58779 -113.88 0.22 -8.86 0.18 58780 -113.52 0.22 -8.46 0.18 58781 -113.46 0.22 -8.03 0.18 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 58728 -117.9 -10.7 58729 -118.3 -10.7 58730 -118.6 -10.5 58731 -118.5 -10.6 58732 -118.1 -10.9 58733 -117.9 -11.2 58734 -117.9 -11.4 58735 -118.0 -11.3 58736 -117.9 -11.2 58737 -117.7 -11.1 58738 -117.5 -10.9 58739 -117.4 -10.6 58740 -117.3 -10.3 58741 -117.2 -10.2 58742 -117.0 -10.2 58743 -116.7 -10.3 58744 -116.5 -10.3 58745 -116.5 -10.3 58746 -116.9 -10.4 58747 -117.3 -10.6 58748 -117.5 -10.7 58749 -117.3 -10.6 58750 -117.0 -10.5 58751 -116.6 -10.3 58752 -116.2 -10.1 58753 -115.9 -9.7 58754 -116.1 -9.4 58755 -116.5 -9.5 58756 -116.8 -9.7 58757 -117.0 -9.8 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58775 0.073 0.056 0.153 0.188 58776 0.071 0.055 0.158 0.175 58777 0.069 0.055 0.163 0.175 58778 0.069 0.053 0.170 0.139 58779 0.073 0.087 0.180 0.175 58780 0.081 0.087 0.192 0.175 58781 0.092 0.087 0.204 0.175 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 58728 -0.20 0.06 58729 -0.22 0.07 58730 -0.24 0.14 58731 -0.22 0.11 58732 -0.18 0.05 58733 -0.15 0.02 58734 -0.13 0.01 58735 -0.10 -0.00 58736 -0.08 -0.02 58737 -0.10 0.02 58738 -0.12 0.06 58739 -0.15 0.10 58740 -0.14 0.10 58741 -0.11 0.08 58742 -0.08 0.05 58743 -0.05 0.06 58744 -0.03 0.06 58745 -0.02 0.08 58746 -0.01 0.09 58747 -0.01 0.10 58748 -0.02 0.11 58749 -0.03 0.12 58750 -0.04 0.12 58751 0.00 0.11 58752 0.05 0.10 58753 0.09 0.08 58754 0.06 0.09 58755 0.00 0.10 58756 -0.06 0.12 58757 -0.12 0.14 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).