********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 31 October 2019 Vol. XXXII No. 044 ______________________________________________________________________ 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 visit * * https://www.usno.navy.mil and submit fill out 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 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 25 58781 0.16888 .00009 0.28902 .00009 -0.154905 0.000012 19 10 26 58782 0.16792 .00009 0.28781 .00009 -0.155814 0.000012 19 10 27 58783 0.16736 .00009 0.28656 .00009 -0.156813 0.000011 19 10 28 58784 0.16711 .00009 0.28542 .00009 -0.157753 0.000010 19 10 29 58785 0.16699 .00009 0.28427 .00009 -0.158446 0.000010 19 10 30 58786 0.16690 .00009 0.28311 .00009 -0.158888 0.000065 19 10 31 58787 0.16667 .00009 0.28206 .00009 -0.159108 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 = 0.1267 + 0.0670 cos A - 0.0975 sin A - 0.0274 cos C + 0.0152 sin C y = 0.3560 - 0.0887 cos A - 0.0618 sin A + 0.0152 cos C + 0.0274 sin C UT1-UTC = -0.1521 - 0.00045 (MJD - 58795) - (UT2-UT1) where A = 2*pi*(MJD-58787)/365.25 and C = 2*pi*(MJD-58787)/435. TAI-UTC(MJD 58788) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58787)**0.80 S t = 0.00025 (MJD-58787)**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 1 58788 0.1662 0.2813 -0.15917 2019 11 2 58789 0.1655 0.2805 -0.15912 2019 11 3 58790 0.1646 0.2799 -0.15904 2019 11 4 58791 0.1635 0.2793 -0.15900 2019 11 5 58792 0.1624 0.2787 -0.15905 2019 11 6 58793 0.1613 0.2782 -0.15920 2019 11 7 58794 0.1601 0.2777 -0.15948 2019 11 8 58795 0.1588 0.2772 -0.15987 2019 11 9 58796 0.1576 0.2768 -0.16033 2019 11 10 58797 0.1563 0.2764 -0.16083 2019 11 11 58798 0.1550 0.2761 -0.16131 2019 11 12 58799 0.1536 0.2758 -0.16171 2019 11 13 58800 0.1521 0.2754 -0.16199 2019 11 14 58801 0.1507 0.2751 -0.16214 2019 11 15 58802 0.1492 0.2748 -0.16217 2019 11 16 58803 0.1477 0.2746 -0.16212 2019 11 17 58804 0.1462 0.2743 -0.16204 2019 11 18 58805 0.1446 0.2741 -0.16202 2019 11 19 58806 0.1431 0.2740 -0.16214 2019 11 20 58807 0.1415 0.2739 -0.16246 2019 11 21 58808 0.1399 0.2737 -0.16297 2019 11 22 58809 0.1383 0.2737 -0.16364 2019 11 23 58810 0.1367 0.2736 -0.16441 2019 11 24 58811 0.1351 0.2735 -0.16516 2019 11 25 58812 0.1334 0.2734 -0.16579 2019 11 26 58813 0.1318 0.2734 -0.16621 2019 11 27 58814 0.1302 0.2734 -0.16638 2019 11 28 58815 0.1286 0.2734 -0.16633 2019 11 29 58816 0.1269 0.2735 -0.16614 2019 11 30 58817 0.1253 0.2735 -0.16586 2019 12 1 58818 0.1237 0.2736 -0.16556 2019 12 2 58819 0.1220 0.2738 -0.16530 2019 12 3 58820 0.1204 0.2739 -0.16512 2019 12 4 58821 0.1187 0.2740 -0.16505 2019 12 5 58822 0.1171 0.2742 -0.16508 2019 12 6 58823 0.1155 0.2744 -0.16521 2019 12 7 58824 0.1139 0.2747 -0.16541 2019 12 8 58825 0.1123 0.2749 -0.16564 2019 12 9 58826 0.1107 0.2752 -0.16585 2019 12 10 58827 0.1090 0.2755 -0.16602 2019 12 11 58828 0.1074 0.2759 -0.16609 2019 12 12 58829 0.1058 0.2762 -0.16606 2019 12 13 58830 0.1043 0.2766 -0.16593 2019 12 14 58831 0.1027 0.2770 -0.16576 2019 12 15 58832 0.1011 0.2775 -0.16561 2019 12 16 58833 0.0995 0.2779 -0.16559 2019 12 17 58834 0.0980 0.2784 -0.16574 2019 12 18 58835 0.0964 0.2789 -0.16610 2019 12 19 58836 0.0949 0.2795 -0.16665 2019 12 20 58837 0.0933 0.2800 -0.16732 2019 12 21 58838 0.0918 0.2806 -0.16803 2019 12 22 58839 0.0903 0.2812 -0.16868 2019 12 23 58840 0.0888 0.2819 -0.16918 2019 12 24 58841 0.0873 0.2825 -0.16949 2019 12 25 58842 0.0858 0.2832 -0.16961 2019 12 26 58843 0.0844 0.2839 -0.16958 2019 12 27 58844 0.0829 0.2847 -0.16946 2019 12 28 58845 0.0815 0.2854 -0.16932 2019 12 29 58846 0.0800 0.2862 -0.16922 2019 12 30 58847 0.0786 0.2870 -0.16920 2019 12 31 58848 0.0772 0.2878 -0.16929 2020 1 1 58849 0.0758 0.2887 -0.16949 2020 1 2 58850 0.0745 0.2895 -0.16979 2020 1 3 58851 0.0731 0.2904 -0.17016 2020 1 4 58852 0.0718 0.2913 -0.17056 2020 1 5 58853 0.0704 0.2923 -0.17096 2020 1 6 58854 0.0691 0.2932 -0.17130 2020 1 7 58855 0.0678 0.2942 -0.17155 2020 1 8 58856 0.0666 0.2952 -0.17170 2020 1 9 58857 0.0653 0.2962 -0.17175 2020 1 10 58858 0.0641 0.2973 -0.17173 2020 1 11 58859 0.0629 0.2983 -0.17172 2020 1 12 58860 0.0617 0.2994 -0.17181 2020 1 13 58861 0.0605 0.3005 -0.17208 2020 1 14 58862 0.0593 0.3016 -0.17257 2020 1 15 58863 0.0582 0.3028 -0.17327 2020 1 16 58864 0.0571 0.3039 -0.17411 2020 1 17 58865 0.0560 0.3051 -0.17500 2020 1 18 58866 0.0549 0.3063 -0.17584 2020 1 19 58867 0.0539 0.3075 -0.17654 2020 1 20 58868 0.0528 0.3087 -0.17706 2020 1 21 58869 0.0518 0.3100 -0.17739 2020 1 22 58870 0.0508 0.3112 -0.17756 2020 1 23 58871 0.0499 0.3125 -0.17764 2020 1 24 58872 0.0489 0.3138 -0.17768 2020 1 25 58873 0.0480 0.3151 -0.17777 2020 1 26 58874 0.0471 0.3164 -0.17793 2020 1 27 58875 0.0463 0.3177 -0.17822 2020 1 28 58876 0.0454 0.3191 -0.17862 2020 1 29 58877 0.0446 0.3204 -0.17914 2020 1 30 58878 0.0438 0.3218 -0.17974 2020 1 31 58879 0.0431 0.3232 -0.18040 2020 2 1 58880 0.0423 0.3246 -0.18106 2020 2 2 58881 0.0416 0.3260 -0.18169 2020 2 3 58882 0.0409 0.3274 -0.18225 2020 2 4 58883 0.0403 0.3289 -0.18273 2020 2 5 58884 0.0396 0.3303 -0.18311 2020 2 6 58885 0.0390 0.3317 -0.18343 2020 2 7 58886 0.0385 0.3332 -0.18373 2020 2 8 58887 0.0379 0.3347 -0.18412 2020 2 9 58888 0.0374 0.3362 -0.18467 2020 2 10 58889 0.0369 0.3376 -0.18546 2020 2 11 58890 0.0364 0.3391 -0.18650 2020 2 12 58891 0.0360 0.3407 -0.18774 2020 2 13 58892 0.0356 0.3422 -0.18906 2020 2 14 58893 0.0352 0.3437 -0.19033 2020 2 15 58894 0.0349 0.3452 -0.19146 2020 2 16 58895 0.0345 0.3467 -0.19237 2020 2 17 58896 0.0342 0.3483 -0.19293 2020 2 18 58897 0.0340 0.3498 -0.19330 2020 2 19 58898 0.0337 0.3514 -0.19356 2020 2 20 58899 0.0335 0.3529 -0.19377 2020 2 21 58900 0.0334 0.3545 -0.19400 2020 2 22 58901 0.0332 0.3560 -0.19431 2020 2 23 58902 0.0331 0.3576 -0.19473 2020 2 24 58903 0.0330 0.3591 -0.19527 2020 2 25 58904 0.0330 0.3607 -0.19593 2020 2 26 58905 0.0329 0.3623 -0.19669 2020 2 27 58906 0.0329 0.3638 -0.19751 2020 2 28 58907 0.0330 0.3654 -0.19834 2020 2 29 58908 0.0330 0.3669 -0.19914 2020 3 1 58909 0.0331 0.3685 -0.19988 2020 3 2 58910 0.0333 0.3701 -0.20052 2020 3 3 58911 0.0334 0.3716 -0.20108 2020 3 4 58912 0.0336 0.3732 -0.20155 2020 3 5 58913 0.0338 0.3747 -0.20199 2020 3 6 58914 0.0340 0.3763 -0.20247 2020 3 7 58915 0.0343 0.3778 -0.20309 2020 3 8 58916 0.0346 0.3794 -0.20393 2020 3 9 58917 0.0350 0.3809 -0.20506 2020 3 10 58918 0.0353 0.3824 -0.20644 2020 3 11 58919 0.0357 0.3840 -0.20798 2020 3 12 58920 0.0361 0.3855 -0.20954 2020 3 13 58921 0.0366 0.3870 -0.21099 2020 3 14 58922 0.0371 0.3885 -0.21223 2020 3 15 58923 0.0376 0.3900 -0.21321 2020 3 16 58924 0.0381 0.3915 -0.21398 2020 3 17 58925 0.0387 0.3930 -0.21459 2020 3 18 58926 0.0393 0.3944 -0.21513 2020 3 19 58927 0.0399 0.3959 -0.21566 2020 3 20 58928 0.0406 0.3974 -0.21625 2020 3 21 58929 0.0412 0.3988 -0.21693 2020 3 22 58930 0.0419 0.4002 -0.21773 2020 3 23 58931 0.0427 0.4017 -0.21865 2020 3 24 58932 0.0435 0.4031 -0.21967 2020 3 25 58933 0.0442 0.4045 -0.22076 2020 3 26 58934 0.0451 0.4059 -0.22186 2020 3 27 58935 0.0459 0.4072 -0.22293 2020 3 28 58936 0.0468 0.4086 -0.22392 2020 3 29 58937 0.0477 0.4099 -0.22482 2020 3 30 58938 0.0486 0.4113 -0.22560 2020 3 31 58939 0.0496 0.4126 -0.22628 2020 4 1 58940 0.0506 0.4139 -0.22689 2020 4 2 58941 0.0516 0.4152 -0.22750 2020 4 3 58942 0.0526 0.4165 -0.22819 2020 4 4 58943 0.0537 0.4177 -0.22906 2020 4 5 58944 0.0548 0.4189 -0.23019 2020 4 6 58945 0.0559 0.4202 -0.23159 2020 4 7 58946 0.0570 0.4214 -0.23321 2020 4 8 58947 0.0581 0.4226 -0.23494 2020 4 9 58948 0.0593 0.4237 -0.23663 2020 4 10 58949 0.0605 0.4249 -0.23813 2020 4 11 58950 0.0618 0.4260 -0.23937 2020 4 12 58951 0.0630 0.4271 -0.24034 2020 4 13 58952 0.0643 0.4282 -0.24110 2020 4 14 58953 0.0656 0.4293 -0.24173 2020 4 15 58954 0.0669 0.4303 -0.24232 2020 4 16 58955 0.0682 0.4314 -0.24293 2020 4 17 58956 0.0696 0.4324 -0.24361 2020 4 18 58957 0.0710 0.4334 -0.24439 2020 4 19 58958 0.0724 0.4343 -0.24527 2020 4 20 58959 0.0738 0.4353 -0.24625 2020 4 21 58960 0.0752 0.4362 -0.24728 2020 4 22 58961 0.0767 0.4371 -0.24833 2020 4 23 58962 0.0781 0.4380 -0.24934 2020 4 24 58963 0.0796 0.4388 -0.25028 2020 4 25 58964 0.0811 0.4397 -0.25110 2020 4 26 58965 0.0827 0.4405 -0.25179 2020 4 27 58966 0.0842 0.4413 -0.25236 2020 4 28 58967 0.0858 0.4420 -0.25282 2020 4 29 58968 0.0874 0.4428 -0.25325 2020 4 30 58969 0.0889 0.4435 -0.25371 2020 5 1 58970 0.0905 0.4442 -0.25429 2020 5 2 58971 0.0922 0.4448 -0.25507 2020 5 3 58972 0.0938 0.4454 -0.25611 2020 5 4 58973 0.0955 0.4461 -0.25739 2020 5 5 58974 0.0971 0.4466 -0.25884 2020 5 6 58975 0.0988 0.4472 -0.26034 2020 5 7 58976 0.1005 0.4477 -0.26175 2020 5 8 58977 0.1022 0.4482 -0.26296 2020 5 9 58978 0.1039 0.4487 -0.26391 2020 5 10 58979 0.1056 0.4492 -0.26464 2020 5 11 58980 0.1073 0.4496 -0.26520 2020 5 12 58981 0.1091 0.4500 -0.26568 2020 5 13 58982 0.1108 0.4504 -0.26614 2020 5 14 58983 0.1126 0.4507 -0.26663 2020 5 15 58984 0.1143 0.4510 -0.26718 2020 5 16 58985 0.1161 0.4513 -0.26781 2020 5 17 58986 0.1179 0.4516 -0.26849 2020 5 18 58987 0.1197 0.4518 -0.26920 2020 5 19 58988 0.1215 0.4520 -0.26991 2020 5 20 58989 0.1233 0.4522 -0.27056 2020 5 21 58990 0.1251 0.4523 -0.27112 2020 5 22 58991 0.1269 0.4524 -0.27153 2020 5 23 58992 0.1287 0.4525 -0.27179 2020 5 24 58993 0.1305 0.4526 -0.27189 2020 5 25 58994 0.1323 0.4526 -0.27184 2020 5 26 58995 0.1341 0.4526 -0.27169 2020 5 27 58996 0.1360 0.4526 -0.27152 2020 5 28 58997 0.1378 0.4526 -0.27142 2020 5 29 58998 0.1396 0.4525 -0.27145 2020 5 30 58999 0.1414 0.4524 -0.27168 2020 5 31 59000 0.1433 0.4523 -0.27213 2020 6 1 59001 0.1451 0.4521 -0.27276 2020 6 2 59002 0.1469 0.4519 -0.27348 2020 6 3 59003 0.1487 0.4517 -0.27416 2020 6 4 59004 0.1505 0.4514 -0.27469 2020 6 5 59005 0.1523 0.4511 -0.27500 2020 6 6 59006 0.1542 0.4508 -0.27506 2020 6 7 59007 0.1560 0.4505 -0.27496 2020 6 8 59008 0.1578 0.4501 -0.27478 2020 6 9 59009 0.1596 0.4498 -0.27457 2020 6 10 59010 0.1613 0.4493 -0.27439 2020 6 11 59011 0.1631 0.4489 -0.27426 2020 6 12 59012 0.1649 0.4484 -0.27420 2020 6 13 59013 0.1667 0.4479 -0.27426 2020 6 14 59014 0.1684 0.4474 -0.27442 2020 6 15 59015 0.1702 0.4468 -0.27456 2020 6 16 59016 0.1719 0.4462 -0.27470 2020 6 17 59017 0.1737 0.4456 -0.27478 2020 6 18 59018 0.1754 0.4450 -0.27475 2020 6 19 59019 0.1771 0.4443 -0.27458 2020 6 20 59020 0.1788 0.4436 -0.27425 2020 6 21 59021 0.1805 0.4429 -0.27379 2020 6 22 59022 0.1822 0.4422 -0.27321 2020 6 23 59023 0.1838 0.4414 -0.27262 2020 6 24 59024 0.1855 0.4406 -0.27213 2020 6 25 59025 0.1871 0.4398 -0.27178 2020 6 26 59026 0.1887 0.4389 -0.27161 2020 6 27 59027 0.1903 0.4381 -0.27165 2020 6 28 59028 0.1919 0.4372 -0.27180 2020 6 29 59029 0.1935 0.4362 -0.27205 2020 6 30 59030 0.1951 0.4353 -0.27229 2020 7 1 59031 0.1966 0.4343 -0.27240 2020 7 2 59032 0.1981 0.4333 -0.27232 2020 7 3 59033 0.1997 0.4323 -0.27201 2020 7 4 59034 0.2011 0.4313 -0.27144 2020 7 5 59035 0.2026 0.4302 -0.27072 2020 7 6 59036 0.2041 0.4291 -0.26995 2020 7 7 59037 0.2055 0.4280 -0.26923 2020 7 8 59038 0.2069 0.4269 -0.26859 2020 7 9 59039 0.2083 0.4257 -0.26801 2020 7 10 59040 0.2097 0.4245 -0.26752 2020 7 11 59041 0.2111 0.4233 -0.26715 2020 7 12 59042 0.2124 0.4221 -0.26683 2020 7 13 59043 0.2137 0.4209 -0.26651 2020 7 14 59044 0.2150 0.4196 -0.26618 2020 7 15 59045 0.2163 0.4183 -0.26577 2020 7 16 59046 0.2175 0.4170 -0.26530 2020 7 17 59047 0.2187 0.4157 -0.26467 2020 7 18 59048 0.2199 0.4144 -0.26393 2020 7 19 59049 0.2211 0.4130 -0.26314 2020 7 20 59050 0.2222 0.4117 -0.26232 2020 7 21 59051 0.2233 0.4103 -0.26162 2020 7 22 59052 0.2244 0.4089 -0.26107 2020 7 23 59053 0.2255 0.4074 -0.26081 2020 7 24 59054 0.2266 0.4060 -0.26078 2020 7 25 59055 0.2276 0.4045 -0.26098 2020 7 26 59056 0.2286 0.4030 -0.26133 2020 7 27 59057 0.2295 0.4016 -0.26174 2020 7 28 59058 0.2305 0.4001 -0.26207 2020 7 29 59059 0.2314 0.3985 -0.26223 2020 7 30 59060 0.2322 0.3970 -0.26223 2020 7 31 59061 0.2331 0.3955 -0.26208 2020 8 1 59062 0.2339 0.3939 -0.26179 2020 8 2 59063 0.2347 0.3923 -0.26147 2020 8 3 59064 0.2355 0.3907 -0.26114 2020 8 4 59065 0.2362 0.3891 -0.26086 2020 8 5 59066 0.2369 0.3875 -0.26071 2020 8 6 59067 0.2376 0.3859 -0.26068 2020 8 7 59068 0.2383 0.3843 -0.26077 2020 8 8 59069 0.2389 0.3827 -0.26093 2020 8 9 59070 0.2395 0.3810 -0.26116 2020 8 10 59071 0.2400 0.3794 -0.26137 2020 8 11 59072 0.2405 0.3777 -0.26154 2020 8 12 59073 0.2410 0.3760 -0.26154 2020 8 13 59074 0.2415 0.3743 -0.26140 2020 8 14 59075 0.2419 0.3727 -0.26119 2020 8 15 59076 0.2423 0.3710 -0.26090 2020 8 16 59077 0.2427 0.3693 -0.26064 2020 8 17 59078 0.2430 0.3676 -0.26047 2020 8 18 59079 0.2433 0.3659 -0.26043 2020 8 19 59080 0.2436 0.3641 -0.26069 2020 8 20 59081 0.2438 0.3624 -0.26118 2020 8 21 59082 0.2441 0.3607 -0.26188 2020 8 22 59083 0.2442 0.3590 -0.26275 2020 8 23 59084 0.2444 0.3573 -0.26362 2020 8 24 59085 0.2445 0.3555 -0.26439 2020 8 25 59086 0.2446 0.3538 -0.26500 2020 8 26 59087 0.2446 0.3521 -0.26539 2020 8 27 59088 0.2446 0.3503 -0.26555 2020 8 28 59089 0.2446 0.3486 -0.26554 2020 8 29 59090 0.2445 0.3469 -0.26543 2020 8 30 59091 0.2445 0.3452 -0.26530 2020 8 31 59092 0.2443 0.3434 -0.26524 2020 9 1 59093 0.2442 0.3417 -0.26526 2020 9 2 59094 0.2440 0.3400 -0.26538 2020 9 3 59095 0.2438 0.3383 -0.26562 2020 9 4 59096 0.2435 0.3366 -0.26596 2020 9 5 59097 0.2433 0.3348 -0.26635 2020 9 6 59098 0.2429 0.3331 -0.26680 2020 9 7 59099 0.2426 0.3314 -0.26722 2020 9 8 59100 0.2422 0.3297 -0.26760 2020 9 9 59101 0.2418 0.3281 -0.26791 2020 9 10 59102 0.2414 0.3264 -0.26817 2020 9 11 59103 0.2409 0.3247 -0.26834 2020 9 12 59104 0.2404 0.3230 -0.26843 2020 9 13 59105 0.2398 0.3214 -0.26859 2020 9 14 59106 0.2393 0.3197 -0.26887 2020 9 15 59107 0.2387 0.3181 -0.26928 2020 9 16 59108 0.2380 0.3165 -0.26990 2020 9 17 59109 0.2374 0.3148 -0.27080 2020 9 18 59110 0.2367 0.3132 -0.27192 2020 9 19 59111 0.2359 0.3116 -0.27311 2020 9 20 59112 0.2352 0.3101 -0.27422 2020 9 21 59113 0.2344 0.3085 -0.27516 2020 9 22 59114 0.2336 0.3069 -0.27588 2020 9 23 59115 0.2327 0.3054 -0.27632 2020 9 24 59116 0.2318 0.3039 -0.27655 2020 9 25 59117 0.2309 0.3023 -0.27669 2020 9 26 59118 0.2300 0.3008 -0.27685 2020 9 27 59119 0.2290 0.2993 -0.27715 2020 9 28 59120 0.2280 0.2979 -0.27766 2020 9 29 59121 0.2270 0.2964 -0.27829 2020 9 30 59122 0.2259 0.2950 -0.27903 2020 10 1 59123 0.2248 0.2935 -0.27984 2020 10 2 59124 0.2237 0.2921 -0.28071 2020 10 3 59125 0.2226 0.2908 -0.28161 2020 10 4 59126 0.2214 0.2894 -0.28252 2020 10 5 59127 0.2202 0.2880 -0.28336 2020 10 6 59128 0.2190 0.2867 -0.28406 2020 10 7 59129 0.2178 0.2854 -0.28459 2020 10 8 59130 0.2165 0.2841 -0.28500 2020 10 9 59131 0.2152 0.2828 -0.28533 2020 10 10 59132 0.2139 0.2816 -0.28557 2020 10 11 59133 0.2125 0.2803 -0.28582 2020 10 12 59134 0.2112 0.2791 -0.28626 2020 10 13 59135 0.2098 0.2779 -0.28705 2020 10 14 59136 0.2083 0.2768 -0.28819 2020 10 15 59137 0.2069 0.2756 -0.28966 2020 10 16 59138 0.2054 0.2745 -0.29136 2020 10 17 59139 0.2039 0.2734 -0.29316 2020 10 18 59140 0.2024 0.2723 -0.29487 2020 10 19 59141 0.2009 0.2713 -0.29636 2020 10 20 59142 0.1993 0.2703 -0.29759 2020 10 21 59143 0.1978 0.2693 -0.29856 2020 10 22 59144 0.1962 0.2683 -0.29941 2020 10 23 59145 0.1945 0.2673 -0.30022 2020 10 24 59146 0.1929 0.2664 -0.30102 2020 10 25 59147 0.1913 0.2655 -0.30189 2020 10 26 59148 0.1896 0.2647 -0.30287 2020 10 27 59149 0.1879 0.2638 -0.30395 2020 10 28 59150 0.1862 0.2630 -0.30507 2020 10 29 59151 0.1845 0.2622 -0.30622 2020 10 30 59152 0.1827 0.2614 -0.30741 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) 58766 -115.45 0.14 -9.62 0.20 58767 -115.18 0.14 -9.46 0.20 58768 -114.98 0.14 -9.24 0.20 58769 -114.80 0.29 -9.04 0.18 58770 -114.65 0.29 -8.95 0.18 58771 -114.58 0.34 -8.97 0.15 58772 -114.58 0.13 -9.04 0.18 58773 -114.63 0.13 -9.10 0.18 58774 -114.74 0.13 -9.16 0.18 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58766 0.052 0.055 0.165 0.196 58767 0.071 0.055 0.168 0.196 58768 0.088 0.055 0.169 0.196 58769 0.099 0.117 0.169 0.175 58770 0.104 0.117 0.168 0.175 58771 0.100 0.135 0.169 0.147 58772 0.087 0.050 0.173 0.183 58773 0.066 0.050 0.179 0.183 58774 0.040 0.050 0.187 0.183 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).