********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 14 November 2019 Vol. XXXII No. 046 ______________________________________________________________________ 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 8 58795 0.16043 .00009 0.27722 .00009 -0.160255 0.000008 19 11 9 58796 0.15924 .00009 0.27655 .00009 -0.160868 0.000010 19 11 10 58797 0.15794 .00009 0.27588 .00009 -0.161559 0.000009 19 11 11 58798 0.15673 .00009 0.27529 .00009 -0.162267 0.000008 19 11 12 58799 0.15557 .00009 0.27500 .00009 -0.162902 0.000008 19 11 13 58800 0.15433 .00009 0.27496 .00009 -0.163430 0.000007 19 11 14 58801 0.15310 .00009 0.27495 .00009 -0.163857 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 = 0.1347 + 0.0416 cos A - 0.1105 sin A - 0.0227 cos C + 0.0206 sin C y = 0.3560 - 0.1000 cos A - 0.0380 sin A + 0.0206 cos C + 0.0227 sin C UT1-UTC = -0.1551 - 0.00043 (MJD - 58809) - (UT2-UT1) where A = 2*pi*(MJD-58801)/365.25 and C = 2*pi*(MJD-58801)/435. TAI-UTC(MJD 58802) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58801)**0.80 S t = 0.00025 (MJD-58801)**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 15 58802 0.1518 0.2749 -0.16417 2019 11 16 58803 0.1504 0.2749 -0.16436 2019 11 17 58804 0.1489 0.2748 -0.16445 2019 11 18 58805 0.1474 0.2747 -0.16454 2019 11 19 58806 0.1459 0.2745 -0.16473 2019 11 20 58807 0.1443 0.2744 -0.16510 2019 11 21 58808 0.1428 0.2743 -0.16569 2019 11 22 58809 0.1412 0.2742 -0.16646 2019 11 23 58810 0.1396 0.2741 -0.16735 2019 11 24 58811 0.1381 0.2741 -0.16825 2019 11 25 58812 0.1365 0.2740 -0.16906 2019 11 26 58813 0.1348 0.2740 -0.16973 2019 11 27 58814 0.1332 0.2740 -0.17019 2019 11 28 58815 0.1315 0.2740 -0.17046 2019 11 29 58816 0.1299 0.2740 -0.17057 2019 11 30 58817 0.1283 0.2740 -0.17059 2019 12 1 58818 0.1267 0.2740 -0.17056 2019 12 2 58819 0.1251 0.2741 -0.17055 2019 12 3 58820 0.1235 0.2742 -0.17060 2019 12 4 58821 0.1218 0.2743 -0.17072 2019 12 5 58822 0.1202 0.2745 -0.17092 2019 12 6 58823 0.1186 0.2746 -0.17120 2019 12 7 58824 0.1170 0.2748 -0.17152 2019 12 8 58825 0.1154 0.2750 -0.17184 2019 12 9 58826 0.1138 0.2752 -0.17214 2019 12 10 58827 0.1122 0.2755 -0.17237 2019 12 11 58828 0.1106 0.2757 -0.17249 2019 12 12 58829 0.1090 0.2760 -0.17247 2019 12 13 58830 0.1074 0.2764 -0.17231 2019 12 14 58831 0.1059 0.2767 -0.17208 2019 12 15 58832 0.1043 0.2771 -0.17184 2019 12 16 58833 0.1028 0.2775 -0.17168 2019 12 17 58834 0.1012 0.2779 -0.17167 2019 12 18 58835 0.0997 0.2784 -0.17184 2019 12 19 58836 0.0982 0.2789 -0.17219 2019 12 20 58837 0.0967 0.2794 -0.17265 2019 12 21 58838 0.0952 0.2799 -0.17313 2019 12 22 58839 0.0937 0.2805 -0.17355 2019 12 23 58840 0.0922 0.2811 -0.17379 2019 12 24 58841 0.0907 0.2817 -0.17384 2019 12 25 58842 0.0892 0.2823 -0.17367 2019 12 26 58843 0.0878 0.2830 -0.17335 2019 12 27 58844 0.0863 0.2836 -0.17294 2019 12 28 58845 0.0849 0.2843 -0.17250 2019 12 29 58846 0.0835 0.2851 -0.17211 2019 12 30 58847 0.0821 0.2858 -0.17182 2019 12 31 58848 0.0807 0.2866 -0.17164 2020 1 1 58849 0.0793 0.2874 -0.17159 2020 1 2 58850 0.0780 0.2882 -0.17166 2020 1 3 58851 0.0766 0.2891 -0.17180 2020 1 4 58852 0.0753 0.2899 -0.17198 2020 1 5 58853 0.0740 0.2908 -0.17216 2020 1 6 58854 0.0727 0.2917 -0.17230 2020 1 7 58855 0.0714 0.2927 -0.17236 2020 1 8 58856 0.0701 0.2936 -0.17233 2020 1 9 58857 0.0689 0.2946 -0.17220 2020 1 10 58858 0.0676 0.2956 -0.17200 2020 1 11 58859 0.0664 0.2966 -0.17182 2020 1 12 58860 0.0652 0.2976 -0.17174 2020 1 13 58861 0.0640 0.2987 -0.17185 2020 1 14 58862 0.0629 0.2998 -0.17218 2020 1 15 58863 0.0617 0.3009 -0.17272 2020 1 16 58864 0.0606 0.3020 -0.17341 2020 1 17 58865 0.0595 0.3031 -0.17414 2020 1 18 58866 0.0584 0.3043 -0.17482 2020 1 19 58867 0.0574 0.3054 -0.17536 2020 1 20 58868 0.0564 0.3066 -0.17572 2020 1 21 58869 0.0553 0.3078 -0.17588 2020 1 22 58870 0.0543 0.3090 -0.17589 2020 1 23 58871 0.0534 0.3103 -0.17580 2020 1 24 58872 0.0524 0.3115 -0.17568 2020 1 25 58873 0.0515 0.3128 -0.17559 2020 1 26 58874 0.0506 0.3141 -0.17559 2020 1 27 58875 0.0497 0.3153 -0.17569 2020 1 28 58876 0.0489 0.3167 -0.17591 2020 1 29 58877 0.0481 0.3180 -0.17625 2020 1 30 58878 0.0473 0.3193 -0.17667 2020 1 31 58879 0.0465 0.3207 -0.17715 2020 2 1 58880 0.0457 0.3220 -0.17762 2020 2 2 58881 0.0450 0.3234 -0.17807 2020 2 3 58882 0.0443 0.3248 -0.17845 2020 2 4 58883 0.0436 0.3262 -0.17875 2020 2 5 58884 0.0430 0.3276 -0.17897 2020 2 6 58885 0.0424 0.3290 -0.17912 2020 2 7 58886 0.0418 0.3305 -0.17926 2020 2 8 58887 0.0412 0.3319 -0.17950 2020 2 9 58888 0.0407 0.3333 -0.17991 2020 2 10 58889 0.0402 0.3348 -0.18057 2020 2 11 58890 0.0397 0.3363 -0.18149 2020 2 12 58891 0.0392 0.3377 -0.18260 2020 2 13 58892 0.0388 0.3392 -0.18381 2020 2 14 58893 0.0384 0.3407 -0.18497 2020 2 15 58894 0.0380 0.3422 -0.18600 2020 2 16 58895 0.0377 0.3437 -0.18682 2020 2 17 58896 0.0373 0.3452 -0.18744 2020 2 18 58897 0.0371 0.3468 -0.18788 2020 2 19 58898 0.0368 0.3483 -0.18821 2020 2 20 58899 0.0366 0.3498 -0.18849 2020 2 21 58900 0.0364 0.3513 -0.18880 2020 2 22 58901 0.0362 0.3529 -0.18919 2020 2 23 58902 0.0361 0.3544 -0.18969 2020 2 24 58903 0.0359 0.3559 -0.19032 2020 2 25 58904 0.0359 0.3575 -0.19107 2020 2 26 58905 0.0358 0.3590 -0.19192 2020 2 27 58906 0.0358 0.3606 -0.19283 2020 2 28 58907 0.0358 0.3621 -0.19375 2020 2 29 58908 0.0358 0.3637 -0.19464 2020 3 1 58909 0.0359 0.3652 -0.19547 2020 3 2 58910 0.0360 0.3668 -0.19606 2020 3 3 58911 0.0361 0.3683 -0.19656 2020 3 4 58912 0.0362 0.3698 -0.19697 2020 3 5 58913 0.0364 0.3714 -0.19735 2020 3 6 58914 0.0366 0.3729 -0.19777 2020 3 7 58915 0.0369 0.3744 -0.19833 2020 3 8 58916 0.0372 0.3760 -0.19911 2020 3 9 58917 0.0375 0.3775 -0.20018 2020 3 10 58918 0.0378 0.3790 -0.20149 2020 3 11 58919 0.0381 0.3805 -0.20297 2020 3 12 58920 0.0385 0.3821 -0.20448 2020 3 13 58921 0.0389 0.3836 -0.20586 2020 3 14 58922 0.0394 0.3851 -0.20702 2020 3 15 58923 0.0399 0.3866 -0.20794 2020 3 16 58924 0.0404 0.3880 -0.20863 2020 3 17 58925 0.0409 0.3895 -0.20917 2020 3 18 58926 0.0415 0.3910 -0.20962 2020 3 19 58927 0.0420 0.3925 -0.21008 2020 3 20 58928 0.0427 0.3939 -0.21058 2020 3 21 58929 0.0433 0.3954 -0.21118 2020 3 22 58930 0.0440 0.3968 -0.21190 2020 3 23 58931 0.0447 0.3982 -0.21273 2020 3 24 58932 0.0454 0.3996 -0.21366 2020 3 25 58933 0.0462 0.4010 -0.21466 2020 3 26 58934 0.0470 0.4024 -0.21567 2020 3 27 58935 0.0478 0.4038 -0.21665 2020 3 28 58936 0.0486 0.4052 -0.21756 2020 3 29 58937 0.0495 0.4065 -0.21836 2020 3 30 58938 0.0504 0.4078 -0.21905 2020 3 31 58939 0.0513 0.4092 -0.21964 2020 4 1 58940 0.0522 0.4105 -0.22017 2020 4 2 58941 0.0532 0.4118 -0.22069 2020 4 3 58942 0.0542 0.4130 -0.22130 2020 4 4 58943 0.0552 0.4143 -0.22208 2020 4 5 58944 0.0562 0.4156 -0.22312 2020 4 6 58945 0.0573 0.4168 -0.22443 2020 4 7 58946 0.0584 0.4180 -0.22597 2020 4 8 58947 0.0595 0.4192 -0.22761 2020 4 9 58948 0.0607 0.4204 -0.22920 2020 4 10 58949 0.0618 0.4215 -0.23062 2020 4 11 58950 0.0630 0.4227 -0.23177 2020 4 12 58951 0.0642 0.4238 -0.23266 2020 4 13 58952 0.0655 0.4249 -0.23333 2020 4 14 58953 0.0667 0.4260 -0.23388 2020 4 15 58954 0.0680 0.4271 -0.23438 2020 4 16 58955 0.0693 0.4281 -0.23491 2020 4 17 58956 0.0706 0.4292 -0.23552 2020 4 18 58957 0.0719 0.4302 -0.23622 2020 4 19 58958 0.0733 0.4311 -0.23703 2020 4 20 58959 0.0747 0.4321 -0.23793 2020 4 21 58960 0.0761 0.4330 -0.23889 2020 4 22 58961 0.0775 0.4340 -0.23986 2020 4 23 58962 0.0789 0.4349 -0.24081 2020 4 24 58963 0.0804 0.4357 -0.24168 2020 4 25 58964 0.0818 0.4366 -0.24243 2020 4 26 58965 0.0833 0.4374 -0.24305 2020 4 27 58966 0.0848 0.4382 -0.24354 2020 4 28 58967 0.0864 0.4390 -0.24393 2020 4 29 58968 0.0879 0.4398 -0.24428 2020 4 30 58969 0.0894 0.4405 -0.24467 2020 5 1 58970 0.0910 0.4412 -0.24517 2020 5 2 58971 0.0926 0.4419 -0.24588 2020 5 3 58972 0.0942 0.4426 -0.24682 2020 5 4 58973 0.0958 0.4432 -0.24801 2020 5 5 58974 0.0974 0.4438 -0.24935 2020 5 6 58975 0.0991 0.4444 -0.25072 2020 5 7 58976 0.1007 0.4449 -0.25198 2020 5 8 58977 0.1024 0.4455 -0.25301 2020 5 9 58978 0.1041 0.4460 -0.25376 2020 5 10 58979 0.1057 0.4465 -0.25425 2020 5 11 58980 0.1074 0.4469 -0.25457 2020 5 12 58981 0.1091 0.4473 -0.25479 2020 5 13 58982 0.1108 0.4477 -0.25500 2020 5 14 58983 0.1126 0.4481 -0.25526 2020 5 15 58984 0.1143 0.4485 -0.25560 2020 5 16 58985 0.1160 0.4488 -0.25604 2020 5 17 58986 0.1178 0.4491 -0.25656 2020 5 18 58987 0.1195 0.4493 -0.25714 2020 5 19 58988 0.1213 0.4496 -0.25776 2020 5 20 58989 0.1231 0.4498 -0.25835 2020 5 21 58990 0.1248 0.4499 -0.25889 2020 5 22 58991 0.1266 0.4501 -0.25934 2020 5 23 58992 0.1284 0.4502 -0.25969 2020 5 24 58993 0.1302 0.4503 -0.25992 2020 5 25 58994 0.1320 0.4504 -0.26006 2020 5 26 58995 0.1337 0.4504 -0.26016 2020 5 27 58996 0.1355 0.4504 -0.26029 2020 5 28 58997 0.1373 0.4504 -0.26051 2020 5 29 58998 0.1391 0.4504 -0.26089 2020 5 30 58999 0.1409 0.4503 -0.26147 2020 5 31 59000 0.1427 0.4502 -0.26224 2020 6 1 59001 0.1445 0.4501 -0.26317 2020 6 2 59002 0.1463 0.4499 -0.26416 2020 6 3 59003 0.1481 0.4497 -0.26508 2020 6 4 59004 0.1499 0.4495 -0.26581 2020 6 5 59005 0.1517 0.4493 -0.26629 2020 6 6 59006 0.1534 0.4490 -0.26649 2020 6 7 59007 0.1552 0.4487 -0.26646 2020 6 8 59008 0.1570 0.4484 -0.26629 2020 6 9 59009 0.1588 0.4480 -0.26607 2020 6 10 59010 0.1605 0.4476 -0.26586 2020 6 11 59011 0.1623 0.4472 -0.26572 2020 6 12 59012 0.1640 0.4468 -0.26566 2020 6 13 59013 0.1658 0.4463 -0.26568 2020 6 14 59014 0.1675 0.4458 -0.26577 2020 6 15 59015 0.1693 0.4453 -0.26590 2020 6 16 59016 0.1710 0.4447 -0.26600 2020 6 17 59017 0.1727 0.4442 -0.26604 2020 6 18 59018 0.1744 0.4435 -0.26597 2020 6 19 59019 0.1761 0.4429 -0.26576 2020 6 20 59020 0.1778 0.4423 -0.26538 2020 6 21 59021 0.1794 0.4416 -0.26483 2020 6 22 59022 0.1811 0.4409 -0.26414 2020 6 23 59023 0.1827 0.4401 -0.26340 2020 6 24 59024 0.1844 0.4394 -0.26273 2020 6 25 59025 0.1860 0.4386 -0.26223 2020 6 26 59026 0.1876 0.4378 -0.26192 2020 6 27 59027 0.1892 0.4369 -0.26181 2020 6 28 59028 0.1908 0.4361 -0.26192 2020 6 29 59029 0.1923 0.4352 -0.26212 2020 6 30 59030 0.1939 0.4343 -0.26231 2020 7 1 59031 0.1954 0.4333 -0.26236 2020 7 2 59032 0.1969 0.4324 -0.26225 2020 7 3 59033 0.1984 0.4314 -0.26195 2020 7 4 59034 0.1999 0.4304 -0.26141 2020 7 5 59035 0.2014 0.4293 -0.26082 2020 7 6 59036 0.2028 0.4283 -0.26022 2020 7 7 59037 0.2043 0.4272 -0.25966 2020 7 8 59038 0.2057 0.4261 -0.25915 2020 7 9 59039 0.2070 0.4250 -0.25874 2020 7 10 59040 0.2084 0.4238 -0.25841 2020 7 11 59041 0.2098 0.4227 -0.25820 2020 7 12 59042 0.2111 0.4215 -0.25807 2020 7 13 59043 0.2124 0.4203 -0.25792 2020 7 14 59044 0.2137 0.4190 -0.25772 2020 7 15 59045 0.2149 0.4178 -0.25746 2020 7 16 59046 0.2162 0.4165 -0.25709 2020 7 17 59047 0.2174 0.4152 -0.25658 2020 7 18 59048 0.2186 0.4139 -0.25592 2020 7 19 59049 0.2197 0.4126 -0.25519 2020 7 20 59050 0.2209 0.4112 -0.25441 2020 7 21 59051 0.2220 0.4099 -0.25369 2020 7 22 59052 0.2231 0.4085 -0.25314 2020 7 23 59053 0.2242 0.4071 -0.25281 2020 7 24 59054 0.2252 0.4057 -0.25271 2020 7 25 59055 0.2262 0.4042 -0.25278 2020 7 26 59056 0.2272 0.4028 -0.25293 2020 7 27 59057 0.2282 0.4013 -0.25307 2020 7 28 59058 0.2291 0.3999 -0.25312 2020 7 29 59059 0.2300 0.3984 -0.25299 2020 7 30 59060 0.2309 0.3969 -0.25266 2020 7 31 59061 0.2318 0.3953 -0.25213 2020 8 1 59062 0.2326 0.3938 -0.25141 2020 8 2 59063 0.2334 0.3923 -0.25063 2020 8 3 59064 0.2342 0.3907 -0.24988 2020 8 4 59065 0.2349 0.3891 -0.24923 2020 8 5 59066 0.2356 0.3875 -0.24871 2020 8 6 59067 0.2363 0.3859 -0.24827 2020 8 7 59068 0.2370 0.3843 -0.24793 2020 8 8 59069 0.2376 0.3827 -0.24769 2020 8 9 59070 0.2382 0.3811 -0.24749 2020 8 10 59071 0.2388 0.3795 -0.24728 2020 8 11 59072 0.2393 0.3778 -0.24702 2020 8 12 59073 0.2398 0.3762 -0.24669 2020 8 13 59074 0.2403 0.3745 -0.24629 2020 8 14 59075 0.2407 0.3728 -0.24576 2020 8 15 59076 0.2411 0.3712 -0.24515 2020 8 16 59077 0.2415 0.3695 -0.24454 2020 8 17 59078 0.2419 0.3678 -0.24399 2020 8 18 59079 0.2422 0.3661 -0.24362 2020 8 19 59080 0.2425 0.3644 -0.24349 2020 8 20 59081 0.2427 0.3627 -0.24368 2020 8 21 59082 0.2430 0.3610 -0.24414 2020 8 22 59083 0.2431 0.3593 -0.24479 2020 8 23 59084 0.2433 0.3576 -0.24553 2020 8 24 59085 0.2434 0.3559 -0.24624 2020 8 25 59086 0.2435 0.3542 -0.24679 2020 8 26 59087 0.2436 0.3525 -0.24713 2020 8 27 59088 0.2436 0.3507 -0.24733 2020 8 28 59089 0.2436 0.3490 -0.24741 2020 8 29 59090 0.2436 0.3473 -0.24743 2020 8 30 59091 0.2435 0.3456 -0.24748 2020 8 31 59092 0.2434 0.3439 -0.24760 2020 9 1 59093 0.2433 0.3422 -0.24779 2020 9 2 59094 0.2431 0.3405 -0.24815 2020 9 3 59095 0.2429 0.3387 -0.24862 2020 9 4 59096 0.2427 0.3370 -0.24919 2020 9 5 59097 0.2425 0.3353 -0.24982 2020 9 6 59098 0.2422 0.3336 -0.25048 2020 9 7 59099 0.2418 0.3319 -0.25110 2020 9 8 59100 0.2415 0.3303 -0.25164 2020 9 9 59101 0.2411 0.3286 -0.25201 2020 9 10 59102 0.2407 0.3269 -0.25224 2020 9 11 59103 0.2402 0.3252 -0.25242 2020 9 12 59104 0.2397 0.3236 -0.25256 2020 9 13 59105 0.2392 0.3219 -0.25278 2020 9 14 59106 0.2387 0.3203 -0.25314 2020 9 15 59107 0.2381 0.3186 -0.25370 2020 9 16 59108 0.2375 0.3170 -0.25460 2020 9 17 59109 0.2369 0.3154 -0.25576 2020 9 18 59110 0.2362 0.3138 -0.25712 2020 9 19 59111 0.2355 0.3122 -0.25859 2020 9 20 59112 0.2348 0.3106 -0.26000 2020 9 21 59113 0.2340 0.3091 -0.26122 2020 9 22 59114 0.2332 0.3075 -0.26222 2020 9 23 59115 0.2324 0.3059 -0.26297 2020 9 24 59116 0.2315 0.3044 -0.26352 2020 9 25 59117 0.2306 0.3029 -0.26394 2020 9 26 59118 0.2297 0.3014 -0.26432 2020 9 27 59119 0.2288 0.2999 -0.26473 2020 9 28 59120 0.2278 0.2984 -0.26523 2020 9 29 59121 0.2268 0.2970 -0.26583 2020 9 30 59122 0.2258 0.2955 -0.26650 2020 10 1 59123 0.2248 0.2941 -0.26729 2020 10 2 59124 0.2237 0.2927 -0.26814 2020 10 3 59125 0.2226 0.2913 -0.26898 2020 10 4 59126 0.2214 0.2899 -0.26986 2020 10 5 59127 0.2203 0.2885 -0.27067 2020 10 6 59128 0.2191 0.2872 -0.27140 2020 10 7 59129 0.2179 0.2859 -0.27204 2020 10 8 59130 0.2166 0.2846 -0.27263 2020 10 9 59131 0.2154 0.2833 -0.27315 2020 10 10 59132 0.2141 0.2820 -0.27362 2020 10 11 59133 0.2128 0.2808 -0.27420 2020 10 12 59134 0.2114 0.2796 -0.27494 2020 10 13 59135 0.2101 0.2784 -0.27585 2020 10 14 59136 0.2087 0.2772 -0.27698 2020 10 15 59137 0.2073 0.2761 -0.27837 2020 10 16 59138 0.2058 0.2749 -0.27994 2020 10 17 59139 0.2044 0.2738 -0.28150 2020 10 18 59140 0.2029 0.2727 -0.28292 2020 10 19 59141 0.2014 0.2717 -0.28410 2020 10 20 59142 0.1999 0.2706 -0.28502 2020 10 21 59143 0.1983 0.2696 -0.28567 2020 10 22 59144 0.1968 0.2686 -0.28613 2020 10 23 59145 0.1952 0.2677 -0.28655 2020 10 24 59146 0.1936 0.2667 -0.28703 2020 10 25 59147 0.1920 0.2658 -0.28768 2020 10 26 59148 0.1903 0.2649 -0.28853 2020 10 27 59149 0.1887 0.2641 -0.28950 2020 10 28 59150 0.1870 0.2632 -0.29053 2020 10 29 59151 0.1853 0.2624 -0.29160 2020 10 30 59152 0.1836 0.2617 -0.29268 2020 10 31 59153 0.1819 0.2609 -0.29374 2020 11 1 59154 0.1802 0.2602 -0.29476 2020 11 2 59155 0.1784 0.2595 -0.29568 2020 11 3 59156 0.1766 0.2588 -0.29642 2020 11 4 59157 0.1748 0.2582 -0.29699 2020 11 5 59158 0.1731 0.2576 -0.29745 2020 11 6 59159 0.1712 0.2570 -0.29784 2020 11 7 59160 0.1694 0.2564 -0.29817 2020 11 8 59161 0.1676 0.2559 -0.29856 2020 11 9 59162 0.1657 0.2554 -0.29916 2020 11 10 59163 0.1639 0.2549 -0.30012 2020 11 11 59164 0.1620 0.2545 -0.30141 2020 11 12 59165 0.1601 0.2541 -0.30297 2020 11 13 59166 0.1583 0.2537 -0.30469 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) 58782 -113.73 0.36 -7.82 0.23 58783 -114.03 0.33 -7.94 0.22 58784 -114.12 0.33 -8.29 0.22 58785 -113.97 0.27 -8.54 0.18 58786 -113.74 0.27 -8.51 0.18 58787 -113.53 0.27 -8.39 0.18 58788 -113.29 0.27 -8.42 0.18 58789 -113.02 0.32 -8.57 0.16 58790 -112.82 0.58 -8.64 0.22 58791 -112.70 0.58 -8.49 0.22 58792 -112.58 0.58 -8.22 0.22 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58782 0.093 0.145 0.192 0.232 58783 0.101 0.133 0.195 0.217 58784 0.110 0.133 0.197 0.217 58785 0.119 0.106 0.199 0.181 58786 0.131 0.106 0.200 0.181 58787 0.144 0.106 0.202 0.181 58788 0.158 0.106 0.205 0.181 58789 0.173 0.128 0.207 0.160 58790 0.189 0.230 0.210 0.218 58791 0.205 0.230 0.212 0.218 58792 0.222 0.230 0.215 0.218 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).