********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 24 October 2019 Vol. XXXII No. 043 ______________________________________________________________________ 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 Pending 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 will be offline starting about 20:00 UTC, * * Thursday, 24 October 2019. The expected completion of work and * * return of service is estimated as 30 April 2020. Please directly * * contact USNO Public Affairs Officer Geoff Chester at email address * * geoff.chester@navy.mil or phone number 1-202-762-1438. * * * * This shutdown may also 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. * * * * Until COB 24 October 2019: * * 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 * * * * After 24 October 2019, 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 at 18:00 UTC, and * * Bulletin A EOP data should be available by 20:00 UTC. * * Users should please verify results obtained from this site; * * integrity of the files are not as assured as would be via HTTPS. * * * * 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 10 18 58774 0.17830 .00009 0.29558 .00009 -0.153137 0.000016 19 10 19 58775 0.17674 .00009 0.29449 .00009 -0.153324 0.000012 19 10 20 58776 0.17520 .00009 0.29341 .00009 -0.153418 0.000012 19 10 21 58777 0.17373 .00009 0.29233 .00009 -0.153491 0.000010 19 10 22 58778 0.17247 .00009 0.29128 .00009 -0.153604 0.000010 19 10 23 58779 0.17133 .00009 0.29045 .00009 -0.153817 0.000008 19 10 24 58780 0.17013 .00009 0.28992 .00009 -0.154249 0.000007 _______________________________________________________________________ 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 = 0.1185 + 0.0787 cos A - 0.0863 sin A - 0.0282 cos C + 0.0102 sin C y = 0.3584 - 0.0789 cos A - 0.0725 sin A + 0.0102 cos C + 0.0282 sin C UT1-UTC = -0.1547 - 0.00047 (MJD - 58788) - (UT2-UT1) where A = 2*pi*(MJD-58780)/365.25 and C = 2*pi*(MJD-58780)/435. TAI-UTC(MJD 58781) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58780)**0.80 S t = 0.00025 (MJD-58780)**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 10 25 58781 0.1688 0.2894 -0.15499 2019 10 26 58782 0.1674 0.2890 -0.15596 2019 10 27 58783 0.1659 0.2884 -0.15703 2019 10 28 58784 0.1645 0.2878 -0.15805 2019 10 29 58785 0.1631 0.2872 -0.15888 2019 10 30 58786 0.1618 0.2866 -0.15946 2019 10 31 58787 0.1604 0.2861 -0.15980 2019 11 1 58788 0.1591 0.2855 -0.15995 2019 11 2 58789 0.1577 0.2851 -0.15998 2019 11 3 58790 0.1563 0.2846 -0.15995 2019 11 4 58791 0.1549 0.2842 -0.15997 2019 11 5 58792 0.1535 0.2838 -0.16006 2019 11 6 58793 0.1521 0.2833 -0.16022 2019 11 7 58794 0.1507 0.2830 -0.16050 2019 11 8 58795 0.1493 0.2826 -0.16090 2019 11 9 58796 0.1478 0.2822 -0.16139 2019 11 10 58797 0.1464 0.2819 -0.16192 2019 11 11 58798 0.1450 0.2817 -0.16240 2019 11 12 58799 0.1436 0.2815 -0.16281 2019 11 13 58800 0.1422 0.2812 -0.16308 2019 11 14 58801 0.1407 0.2810 -0.16320 2019 11 15 58802 0.1392 0.2809 -0.16317 2019 11 16 58803 0.1377 0.2807 -0.16302 2019 11 17 58804 0.1363 0.2806 -0.16283 2019 11 18 58805 0.1348 0.2804 -0.16268 2019 11 19 58806 0.1333 0.2804 -0.16267 2019 11 20 58807 0.1318 0.2803 -0.16284 2019 11 21 58808 0.1304 0.2803 -0.16322 2019 11 22 58809 0.1289 0.2803 -0.16378 2019 11 23 58810 0.1274 0.2803 -0.16447 2019 11 24 58811 0.1259 0.2803 -0.16517 2019 11 25 58812 0.1244 0.2804 -0.16577 2019 11 26 58813 0.1229 0.2805 -0.16621 2019 11 27 58814 0.1214 0.2806 -0.16643 2019 11 28 58815 0.1199 0.2807 -0.16646 2019 11 29 58816 0.1184 0.2809 -0.16636 2019 11 30 58817 0.1169 0.2811 -0.16620 2019 12 1 58818 0.1154 0.2813 -0.16604 2019 12 2 58819 0.1139 0.2815 -0.16595 2019 12 3 58820 0.1124 0.2818 -0.16596 2019 12 4 58821 0.1109 0.2820 -0.16608 2019 12 5 58822 0.1094 0.2823 -0.16632 2019 12 6 58823 0.1079 0.2827 -0.16666 2019 12 7 58824 0.1064 0.2830 -0.16707 2019 12 8 58825 0.1049 0.2834 -0.16749 2019 12 9 58826 0.1035 0.2838 -0.16789 2019 12 10 58827 0.1020 0.2842 -0.16823 2019 12 11 58828 0.1005 0.2847 -0.16847 2019 12 12 58829 0.0991 0.2851 -0.16858 2019 12 13 58830 0.0976 0.2856 -0.16860 2019 12 14 58831 0.0962 0.2861 -0.16857 2019 12 15 58832 0.0947 0.2867 -0.16858 2019 12 16 58833 0.0933 0.2872 -0.16869 2019 12 17 58834 0.0919 0.2878 -0.16899 2019 12 18 58835 0.0905 0.2884 -0.16948 2019 12 19 58836 0.0891 0.2890 -0.17016 2019 12 20 58837 0.0877 0.2897 -0.17097 2019 12 21 58838 0.0863 0.2903 -0.17180 2019 12 22 58839 0.0850 0.2910 -0.17257 2019 12 23 58840 0.0836 0.2917 -0.17318 2019 12 24 58841 0.0823 0.2925 -0.17360 2019 12 25 58842 0.0810 0.2932 -0.17382 2019 12 26 58843 0.0796 0.2940 -0.17387 2019 12 27 58844 0.0783 0.2948 -0.17382 2019 12 28 58845 0.0770 0.2956 -0.17375 2019 12 29 58846 0.0758 0.2965 -0.17371 2019 12 30 58847 0.0745 0.2973 -0.17375 2019 12 31 58848 0.0733 0.2982 -0.17390 2020 1 1 58849 0.0720 0.2991 -0.17416 2020 1 2 58850 0.0708 0.3000 -0.17452 2020 1 3 58851 0.0696 0.3009 -0.17496 2020 1 4 58852 0.0684 0.3019 -0.17543 2020 1 5 58853 0.0673 0.3029 -0.17589 2020 1 6 58854 0.0661 0.3038 -0.17631 2020 1 7 58855 0.0650 0.3049 -0.17666 2020 1 8 58856 0.0639 0.3059 -0.17691 2020 1 9 58857 0.0628 0.3069 -0.17706 2020 1 10 58858 0.0617 0.3080 -0.17716 2020 1 11 58859 0.0607 0.3091 -0.17726 2020 1 12 58860 0.0596 0.3102 -0.17746 2020 1 13 58861 0.0586 0.3113 -0.17784 2020 1 14 58862 0.0576 0.3124 -0.17844 2020 1 15 58863 0.0566 0.3135 -0.17924 2020 1 16 58864 0.0557 0.3147 -0.18019 2020 1 17 58865 0.0548 0.3159 -0.18118 2020 1 18 58866 0.0538 0.3171 -0.18211 2020 1 19 58867 0.0529 0.3183 -0.18290 2020 1 20 58868 0.0521 0.3195 -0.18350 2020 1 21 58869 0.0512 0.3207 -0.18390 2020 1 22 58870 0.0504 0.3220 -0.18416 2020 1 23 58871 0.0496 0.3232 -0.18431 2020 1 24 58872 0.0488 0.3245 -0.18443 2020 1 25 58873 0.0481 0.3258 -0.18458 2020 1 26 58874 0.0474 0.3271 -0.18482 2020 1 27 58875 0.0466 0.3284 -0.18517 2020 1 28 58876 0.0460 0.3297 -0.18563 2020 1 29 58877 0.0453 0.3310 -0.18621 2020 1 30 58878 0.0447 0.3323 -0.18687 2020 1 31 58879 0.0441 0.3337 -0.18757 2020 2 1 58880 0.0435 0.3350 -0.18828 2020 2 2 58881 0.0429 0.3364 -0.18895 2020 2 3 58882 0.0424 0.3378 -0.18955 2020 2 4 58883 0.0419 0.3392 -0.19006 2020 2 5 58884 0.0414 0.3406 -0.19047 2020 2 6 58885 0.0410 0.3419 -0.19081 2020 2 7 58886 0.0405 0.3434 -0.19113 2020 2 8 58887 0.0401 0.3448 -0.19153 2020 2 9 58888 0.0398 0.3462 -0.19209 2020 2 10 58889 0.0394 0.3476 -0.19275 2020 2 11 58890 0.0391 0.3490 -0.19367 2020 2 12 58891 0.0388 0.3505 -0.19478 2020 2 13 58892 0.0385 0.3519 -0.19597 2020 2 14 58893 0.0383 0.3533 -0.19712 2020 2 15 58894 0.0381 0.3548 -0.19813 2020 2 16 58895 0.0379 0.3562 -0.19893 2020 2 17 58896 0.0378 0.3577 -0.19952 2020 2 18 58897 0.0376 0.3591 -0.19993 2020 2 19 58898 0.0375 0.3606 -0.20022 2020 2 20 58899 0.0375 0.3621 -0.20048 2020 2 21 58900 0.0374 0.3635 -0.20075 2020 2 22 58901 0.0374 0.3650 -0.20110 2020 2 23 58902 0.0374 0.3664 -0.20155 2020 2 24 58903 0.0375 0.3679 -0.20214 2020 2 25 58904 0.0375 0.3694 -0.20284 2020 2 26 58905 0.0376 0.3708 -0.20363 2020 2 27 58906 0.0378 0.3723 -0.20449 2020 2 28 58907 0.0379 0.3737 -0.20536 2020 2 29 58908 0.0381 0.3752 -0.20620 2020 3 1 58909 0.0383 0.3766 -0.20698 2020 3 2 58910 0.0386 0.3781 -0.20767 2020 3 3 58911 0.0388 0.3795 -0.20826 2020 3 4 58912 0.0391 0.3809 -0.20878 2020 3 5 58913 0.0394 0.3824 -0.20926 2020 3 6 58914 0.0398 0.3838 -0.20978 2020 3 7 58915 0.0402 0.3852 -0.21044 2020 3 8 58916 0.0406 0.3867 -0.21133 2020 3 9 58917 0.0410 0.3881 -0.21251 2020 3 10 58918 0.0415 0.3895 -0.21393 2020 3 11 58919 0.0420 0.3909 -0.21553 2020 3 12 58920 0.0425 0.3922 -0.21714 2020 3 13 58921 0.0430 0.3936 -0.21864 2020 3 14 58922 0.0436 0.3950 -0.21993 2020 3 15 58923 0.0442 0.3964 -0.22096 2020 3 16 58924 0.0448 0.3977 -0.22178 2020 3 17 58925 0.0455 0.3991 -0.22244 2020 3 18 58926 0.0462 0.4004 -0.22302 2020 3 19 58927 0.0469 0.4017 -0.22359 2020 3 20 58928 0.0476 0.4030 -0.22422 2020 3 21 58929 0.0484 0.4043 -0.22495 2020 3 22 58930 0.0492 0.4056 -0.22580 2020 3 23 58931 0.0500 0.4069 -0.22676 2020 3 24 58932 0.0508 0.4082 -0.22782 2020 3 25 58933 0.0517 0.4094 -0.22894 2020 3 26 58934 0.0526 0.4107 -0.23008 2020 3 27 58935 0.0535 0.4119 -0.23119 2020 3 28 58936 0.0544 0.4131 -0.23222 2020 3 29 58937 0.0554 0.4143 -0.23315 2020 3 30 58938 0.0563 0.4155 -0.23397 2020 3 31 58939 0.0574 0.4166 -0.23469 2020 4 1 58940 0.0584 0.4178 -0.23534 2020 4 2 58941 0.0594 0.4189 -0.23598 2020 4 3 58942 0.0605 0.4200 -0.23671 2020 4 4 58943 0.0616 0.4211 -0.23761 2020 4 5 58944 0.0628 0.4222 -0.23877 2020 4 6 58945 0.0639 0.4233 -0.24020 2020 4 7 58946 0.0651 0.4243 -0.24186 2020 4 8 58947 0.0663 0.4254 -0.24363 2020 4 9 58948 0.0675 0.4264 -0.24534 2020 4 10 58949 0.0687 0.4274 -0.24688 2020 4 11 58950 0.0700 0.4283 -0.24815 2020 4 12 58951 0.0712 0.4293 -0.24916 2020 4 13 58952 0.0725 0.4302 -0.24995 2020 4 14 58953 0.0738 0.4311 -0.25062 2020 4 15 58954 0.0752 0.4320 -0.25124 2020 4 16 58955 0.0765 0.4329 -0.25188 2020 4 17 58956 0.0779 0.4338 -0.25260 2020 4 18 58957 0.0793 0.4346 -0.25342 2020 4 19 58958 0.0807 0.4354 -0.25433 2020 4 20 58959 0.0821 0.4362 -0.25534 2020 4 21 58960 0.0835 0.4370 -0.25641 2020 4 22 58961 0.0850 0.4377 -0.25750 2020 4 23 58962 0.0864 0.4384 -0.25855 2020 4 24 58963 0.0879 0.4391 -0.25953 2020 4 25 58964 0.0894 0.4398 -0.26040 2020 4 26 58965 0.0910 0.4404 -0.26114 2020 4 27 58966 0.0925 0.4411 -0.26176 2020 4 28 58967 0.0940 0.4417 -0.26230 2020 4 29 58968 0.0956 0.4423 -0.26281 2020 4 30 58969 0.0972 0.4428 -0.26337 2020 5 1 58970 0.0987 0.4433 -0.26408 2020 5 2 58971 0.1003 0.4439 -0.26500 2020 5 3 58972 0.1019 0.4443 -0.26619 2020 5 4 58973 0.1036 0.4448 -0.26762 2020 5 5 58974 0.1052 0.4452 -0.26920 2020 5 6 58975 0.1068 0.4456 -0.27079 2020 5 7 58976 0.1085 0.4460 -0.27224 2020 5 8 58977 0.1101 0.4464 -0.27343 2020 5 9 58978 0.1118 0.4467 -0.27431 2020 5 10 58979 0.1135 0.4470 -0.27491 2020 5 11 58980 0.1151 0.4473 -0.27529 2020 5 12 58981 0.1168 0.4475 -0.27556 2020 5 13 58982 0.1185 0.4478 -0.27578 2020 5 14 58983 0.1202 0.4480 -0.27604 2020 5 15 58984 0.1219 0.4481 -0.27635 2020 5 16 58985 0.1237 0.4483 -0.27674 2020 5 17 58986 0.1254 0.4484 -0.27719 2020 5 18 58987 0.1271 0.4485 -0.27769 2020 5 19 58988 0.1288 0.4486 -0.27821 2020 5 20 58989 0.1306 0.4486 -0.27871 2020 5 21 58990 0.1323 0.4486 -0.27915 2020 5 22 58991 0.1340 0.4486 -0.27950 2020 5 23 58992 0.1358 0.4486 -0.27973 2020 5 24 58993 0.1375 0.4485 -0.27985 2020 5 25 58994 0.1392 0.4484 -0.27987 2020 5 26 58995 0.1410 0.4483 -0.27985 2020 5 27 58996 0.1427 0.4482 -0.27983 2020 5 28 58997 0.1445 0.4480 -0.27989 2020 5 29 58998 0.1462 0.4478 -0.28010 2020 5 30 58999 0.1479 0.4476 -0.28052 2020 5 31 59000 0.1497 0.4473 -0.28117 2020 6 1 59001 0.1514 0.4470 -0.28197 2020 6 2 59002 0.1531 0.4467 -0.28284 2020 6 3 59003 0.1549 0.4464 -0.28366 2020 6 4 59004 0.1566 0.4461 -0.28431 2020 6 5 59005 0.1583 0.4457 -0.28469 2020 6 6 59006 0.1600 0.4453 -0.28479 2020 6 7 59007 0.1617 0.4448 -0.28469 2020 6 8 59008 0.1634 0.4444 -0.28442 2020 6 9 59009 0.1651 0.4439 -0.28412 2020 6 10 59010 0.1668 0.4433 -0.28387 2020 6 11 59011 0.1684 0.4428 -0.28370 2020 6 12 59012 0.1701 0.4422 -0.28361 2020 6 13 59013 0.1718 0.4416 -0.28359 2020 6 14 59014 0.1734 0.4410 -0.28361 2020 6 15 59015 0.1751 0.4404 -0.28365 2020 6 16 59016 0.1767 0.4397 -0.28370 2020 6 17 59017 0.1783 0.4390 -0.28368 2020 6 18 59018 0.1799 0.4383 -0.28358 2020 6 19 59019 0.1815 0.4376 -0.28335 2020 6 20 59020 0.1831 0.4368 -0.28292 2020 6 21 59021 0.1846 0.4360 -0.28234 2020 6 22 59022 0.1862 0.4352 -0.28169 2020 6 23 59023 0.1877 0.4343 -0.28105 2020 6 24 59024 0.1893 0.4335 -0.28048 2020 6 25 59025 0.1908 0.4326 -0.28001 2020 6 26 59026 0.1923 0.4317 -0.27971 2020 6 27 59027 0.1938 0.4307 -0.27966 2020 6 28 59028 0.1952 0.4298 -0.27976 2020 6 29 59029 0.1967 0.4288 -0.27995 2020 6 30 59030 0.1981 0.4278 -0.28014 2020 7 1 59031 0.1995 0.4268 -0.28020 2020 7 2 59032 0.2009 0.4257 -0.28011 2020 7 3 59033 0.2023 0.4247 -0.27974 2020 7 4 59034 0.2037 0.4236 -0.27917 2020 7 5 59035 0.2050 0.4225 -0.27850 2020 7 6 59036 0.2063 0.4214 -0.27777 2020 7 7 59037 0.2076 0.4202 -0.27712 2020 7 8 59038 0.2089 0.4190 -0.27657 2020 7 9 59039 0.2102 0.4178 -0.27617 2020 7 10 59040 0.2114 0.4166 -0.27589 2020 7 11 59041 0.2126 0.4154 -0.27573 2020 7 12 59042 0.2138 0.4142 -0.27567 2020 7 13 59043 0.2150 0.4129 -0.27567 2020 7 14 59044 0.2161 0.4116 -0.27567 2020 7 15 59045 0.2173 0.4103 -0.27561 2020 7 16 59046 0.2184 0.4090 -0.27549 2020 7 17 59047 0.2194 0.4077 -0.27529 2020 7 18 59048 0.2205 0.4063 -0.27497 2020 7 19 59049 0.2215 0.4050 -0.27459 2020 7 20 59050 0.2225 0.4036 -0.27416 2020 7 21 59051 0.2235 0.4022 -0.27374 2020 7 22 59052 0.2245 0.4008 -0.27350 2020 7 23 59053 0.2254 0.3994 -0.27345 2020 7 24 59054 0.2263 0.3979 -0.27364 2020 7 25 59055 0.2272 0.3965 -0.27403 2020 7 26 59056 0.2280 0.3950 -0.27456 2020 7 27 59057 0.2289 0.3935 -0.27507 2020 7 28 59058 0.2297 0.3921 -0.27548 2020 7 29 59059 0.2304 0.3906 -0.27563 2020 7 30 59060 0.2312 0.3890 -0.27554 2020 7 31 59061 0.2319 0.3875 -0.27528 2020 8 1 59062 0.2326 0.3860 -0.27489 2020 8 2 59063 0.2332 0.3844 -0.27451 2020 8 3 59064 0.2339 0.3829 -0.27418 2020 8 4 59065 0.2345 0.3813 -0.27394 2020 8 5 59066 0.2350 0.3797 -0.27389 2020 8 6 59067 0.2356 0.3782 -0.27393 2020 8 7 59068 0.2361 0.3766 -0.27403 2020 8 8 59069 0.2366 0.3750 -0.27422 2020 8 9 59070 0.2370 0.3734 -0.27442 2020 8 10 59071 0.2374 0.3718 -0.27459 2020 8 11 59072 0.2378 0.3701 -0.27473 2020 8 12 59073 0.2382 0.3685 -0.27478 2020 8 13 59074 0.2385 0.3669 -0.27471 2020 8 14 59075 0.2388 0.3653 -0.27451 2020 8 15 59076 0.2391 0.3636 -0.27419 2020 8 16 59077 0.2393 0.3620 -0.27381 2020 8 17 59078 0.2396 0.3603 -0.27347 2020 8 18 59079 0.2397 0.3587 -0.27321 2020 8 19 59080 0.2399 0.3570 -0.27314 2020 8 20 59081 0.2400 0.3554 -0.27333 2020 8 21 59082 0.2401 0.3537 -0.27378 2020 8 22 59083 0.2401 0.3521 -0.27438 2020 8 23 59084 0.2402 0.3504 -0.27508 2020 8 24 59085 0.2401 0.3488 -0.27569 2020 8 25 59086 0.2401 0.3471 -0.27616 2020 8 26 59087 0.2400 0.3455 -0.27644 2020 8 27 59088 0.2399 0.3438 -0.27656 2020 8 28 59089 0.2398 0.3422 -0.27653 2020 8 29 59090 0.2396 0.3405 -0.27640 2020 8 30 59091 0.2394 0.3389 -0.27633 2020 8 31 59092 0.2392 0.3373 -0.27637 2020 9 1 59093 0.2389 0.3356 -0.27645 2020 9 2 59094 0.2387 0.3340 -0.27662 2020 9 3 59095 0.2383 0.3324 -0.27689 2020 9 4 59096 0.2380 0.3308 -0.27726 2020 9 5 59097 0.2376 0.3291 -0.27762 2020 9 6 59098 0.2372 0.3275 -0.27797 2020 9 7 59099 0.2367 0.3259 -0.27826 2020 9 8 59100 0.2362 0.3243 -0.27849 2020 9 9 59101 0.2357 0.3228 -0.27860 2020 9 10 59102 0.2352 0.3212 -0.27858 2020 9 11 59103 0.2346 0.3196 -0.27849 2020 9 12 59104 0.2340 0.3181 -0.27838 2020 9 13 59105 0.2334 0.3165 -0.27837 2020 9 14 59106 0.2327 0.3150 -0.27856 2020 9 15 59107 0.2320 0.3134 -0.27895 2020 9 16 59108 0.2313 0.3119 -0.27958 2020 9 17 59109 0.2306 0.3104 -0.28047 2020 9 18 59110 0.2298 0.3089 -0.28159 2020 9 19 59111 0.2290 0.3074 -0.28285 2020 9 20 59112 0.2281 0.3060 -0.28411 2020 9 21 59113 0.2273 0.3045 -0.28522 2020 9 22 59114 0.2264 0.3031 -0.28604 2020 9 23 59115 0.2255 0.3017 -0.28657 2020 9 24 59116 0.2245 0.3002 -0.28690 2020 9 25 59117 0.2235 0.2989 -0.28712 2020 9 26 59118 0.2225 0.2975 -0.28723 2020 9 27 59119 0.2215 0.2961 -0.28738 2020 9 28 59120 0.2204 0.2948 -0.28768 2020 9 29 59121 0.2193 0.2934 -0.28822 2020 9 30 59122 0.2182 0.2921 -0.28896 2020 10 1 59123 0.2171 0.2908 -0.28986 2020 10 2 59124 0.2159 0.2895 -0.29086 2020 10 3 59125 0.2147 0.2883 -0.29192 2020 10 4 59126 0.2135 0.2870 -0.29298 2020 10 5 59127 0.2123 0.2858 -0.29396 2020 10 6 59128 0.2110 0.2846 -0.29485 2020 10 7 59129 0.2097 0.2834 -0.29563 2020 10 8 59130 0.2084 0.2823 -0.29632 2020 10 9 59131 0.2070 0.2811 -0.29696 2020 10 10 59132 0.2057 0.2800 -0.29756 2020 10 11 59133 0.2043 0.2789 -0.29820 2020 10 12 59134 0.2029 0.2778 -0.29898 2020 10 13 59135 0.2015 0.2768 -0.29997 2020 10 14 59136 0.2000 0.2758 -0.30119 2020 10 15 59137 0.1985 0.2748 -0.30266 2020 10 16 59138 0.1970 0.2738 -0.30434 2020 10 17 59139 0.1955 0.2728 -0.30609 2020 10 18 59140 0.1940 0.2719 -0.30773 2020 10 19 59141 0.1924 0.2710 -0.30914 2020 10 20 59142 0.1909 0.2701 -0.31023 2020 10 21 59143 0.1893 0.2692 -0.31105 2020 10 22 59144 0.1877 0.2684 -0.31166 2020 10 23 59145 0.1860 0.2675 -0.31215 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) 58758 -116.98 0.31 -9.73 0.11 58759 -117.04 0.31 -9.70 0.11 58760 -116.96 0.31 -9.91 0.11 58761 -116.90 0.13 -10.24 0.13 58762 -117.04 0.32 -10.39 0.16 58763 -117.35 0.55 -10.28 0.02 58764 -117.62 0.55 -10.06 0.02 58765 -117.79 0.55 -9.90 0.02 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58758 -0.103 0.124 0.107 0.107 58759 -0.155 0.124 0.109 0.107 58760 -0.212 0.124 0.109 0.107 58761 -0.278 0.054 0.106 0.129 58762 -0.361 0.128 0.098 0.160 58763 -0.465 0.219 0.081 0.018 58764 -0.598 0.219 0.055 0.018 58765 -0.764 0.219 0.018 0.018 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).