********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 11 October 2018 Vol. XXXI No. 041 ______________________________________________________________________ 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 = +0.0 seconds beginning 21 Sep 2018 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. * * * * We are currently not able to receive email at * * ser7@maia.usno.navy.mil. Questions and enquiries can now be * * directed to the following email account: navobsy_eop.fct@navy.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 18 10 5 58396 0.20868 .00009 0.32647 .00009 0.045497 0.000013 18 10 6 58397 0.20791 .00009 0.32506 .00009 0.044409 0.000013 18 10 7 58398 0.20746 .00009 0.32373 .00009 0.043170 0.000017 18 10 8 58399 0.20702 .00009 0.32271 .00009 0.041797 0.000021 18 10 9 58400 0.20647 .00009 0.32189 .00009 0.040361 0.000023 18 10 10 58401 0.20583 .00009 0.32105 .00009 0.038978 0.000023 18 10 11 58402 0.20507 .00009 0.32005 .00009 0.037713 0.000027 _______________________________________________________________________ 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 = 0.1250 + 0.0576 cos A - 0.0802 sin A + 0.0183 cos C + 0.0268 sin C y = 0.3550 - 0.0700 cos A - 0.0569 sin A + 0.0268 cos C - 0.0183 sin C UT1-UTC = 0.0037 - 0.00066 (MJD - 58410) - (UT2-UT1) where A = 2*pi*(MJD-58402)/365.25 and C = 2*pi*(MJD-58402)/435. TAI-UTC(MJD 58403) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58402)**0.80 S t = 0.00025 (MJD-58402)**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) 2018 10 12 58403 0.2042 0.3189 0.03659 2018 10 13 58404 0.2033 0.3177 0.03567 2018 10 14 58405 0.2023 0.3165 0.03493 2018 10 15 58406 0.2014 0.3152 0.03433 2018 10 16 58407 0.2006 0.3140 0.03381 2018 10 17 58408 0.1997 0.3129 0.03333 2018 10 18 58409 0.1988 0.3118 0.03286 2018 10 19 58410 0.1978 0.3107 0.03232 2018 10 20 58411 0.1968 0.3095 0.03165 2018 10 21 58412 0.1957 0.3084 0.03080 2018 10 22 58413 0.1947 0.3073 0.02977 2018 10 23 58414 0.1936 0.3062 0.02859 2018 10 24 58415 0.1925 0.3052 0.02732 2018 10 25 58416 0.1914 0.3042 0.02604 2018 10 26 58417 0.1902 0.3032 0.02479 2018 10 27 58418 0.1891 0.3022 0.02365 2018 10 28 58419 0.1879 0.3012 0.02264 2018 10 29 58420 0.1867 0.3003 0.02173 2018 10 30 58421 0.1855 0.2993 0.02087 2018 10 31 58422 0.1843 0.2984 0.02002 2018 11 1 58423 0.1830 0.2975 0.01908 2018 11 2 58424 0.1817 0.2967 0.01802 2018 11 3 58425 0.1804 0.2958 0.01682 2018 11 4 58426 0.1791 0.2950 0.01550 2018 11 5 58427 0.1778 0.2942 0.01412 2018 11 6 58428 0.1764 0.2934 0.01275 2018 11 7 58429 0.1750 0.2926 0.01147 2018 11 8 58430 0.1737 0.2918 0.01034 2018 11 9 58431 0.1722 0.2911 0.00938 2018 11 10 58432 0.1708 0.2904 0.00860 2018 11 11 58433 0.1694 0.2897 0.00796 2018 11 12 58434 0.1679 0.2890 0.00741 2018 11 13 58435 0.1665 0.2884 0.00691 2018 11 14 58436 0.1650 0.2878 0.00638 2018 11 15 58437 0.1635 0.2872 0.00579 2018 11 16 58438 0.1620 0.2866 0.00509 2018 11 17 58439 0.1605 0.2860 0.00427 2018 11 18 58440 0.1590 0.2855 0.00331 2018 11 19 58441 0.1575 0.2850 0.00223 2018 11 20 58442 0.1560 0.2845 0.00106 2018 11 21 58443 0.1544 0.2841 -0.00015 2018 11 22 58444 0.1529 0.2837 -0.00134 2018 11 23 58445 0.1513 0.2833 -0.00246 2018 11 24 58446 0.1497 0.2829 -0.00346 2018 11 25 58447 0.1481 0.2825 -0.00435 2018 11 26 58448 0.1466 0.2822 -0.00515 2018 11 27 58449 0.1450 0.2819 -0.00595 2018 11 28 58450 0.1434 0.2816 -0.00681 2018 11 29 58451 0.1418 0.2814 -0.00781 2018 11 30 58452 0.1402 0.2811 -0.00895 2018 12 1 58453 0.1386 0.2809 -0.01023 2018 12 2 58454 0.1369 0.2807 -0.01158 2018 12 3 58455 0.1353 0.2806 -0.01295 2018 12 4 58456 0.1337 0.2805 -0.01425 2018 12 5 58457 0.1321 0.2804 -0.01542 2018 12 6 58458 0.1304 0.2803 -0.01644 2018 12 7 58459 0.1288 0.2802 -0.01729 2018 12 8 58460 0.1272 0.2802 -0.01800 2018 12 9 58461 0.1256 0.2802 -0.01860 2018 12 10 58462 0.1239 0.2802 -0.01913 2018 12 11 58463 0.1223 0.2803 -0.01965 2018 12 12 58464 0.1207 0.2804 -0.02020 2018 12 13 58465 0.1191 0.2805 -0.02082 2018 12 14 58466 0.1174 0.2806 -0.02153 2018 12 15 58467 0.1158 0.2808 -0.02236 2018 12 16 58468 0.1142 0.2809 -0.02328 2018 12 17 58469 0.1126 0.2811 -0.02428 2018 12 18 58470 0.1110 0.2814 -0.02533 2018 12 19 58471 0.1094 0.2816 -0.02638 2018 12 20 58472 0.1078 0.2819 -0.02739 2018 12 21 58473 0.1062 0.2822 -0.02830 2018 12 22 58474 0.1046 0.2826 -0.02909 2018 12 23 58475 0.1030 0.2829 -0.02979 2018 12 24 58476 0.1015 0.2833 -0.03045 2018 12 25 58477 0.0999 0.2837 -0.03117 2018 12 26 58478 0.0983 0.2841 -0.03202 2018 12 27 58479 0.0968 0.2846 -0.03301 2018 12 28 58480 0.0953 0.2851 -0.03414 2018 12 29 58481 0.0937 0.2856 -0.03536 2018 12 30 58482 0.0922 0.2861 -0.03657 2018 12 31 58483 0.0907 0.2867 -0.03772 2019 1 1 58484 0.0892 0.2872 -0.03874 2019 1 2 58485 0.0877 0.2879 -0.03961 2019 1 3 58486 0.0863 0.2885 -0.04031 2019 1 4 58487 0.0848 0.2891 -0.04087 2019 1 5 58488 0.0833 0.2898 -0.04131 2019 1 6 58489 0.0819 0.2905 -0.04168 2019 1 7 58490 0.0805 0.2912 -0.04204 2019 1 8 58491 0.0791 0.2919 -0.04242 2019 1 9 58492 0.0777 0.2927 -0.04288 2019 1 10 58493 0.0763 0.2935 -0.04344 2019 1 11 58494 0.0750 0.2943 -0.04412 2019 1 12 58495 0.0736 0.2951 -0.04491 2019 1 13 58496 0.0723 0.2960 -0.04580 2019 1 14 58497 0.0710 0.2968 -0.04676 2019 1 15 58498 0.0697 0.2977 -0.04774 2019 1 16 58499 0.0684 0.2986 -0.04871 2019 1 17 58500 0.0672 0.2996 -0.04961 2019 1 18 58501 0.0659 0.3005 -0.05042 2019 1 19 58502 0.0647 0.3015 -0.05113 2019 1 20 58503 0.0635 0.3025 -0.05180 2019 1 21 58504 0.0623 0.3035 -0.05249 2019 1 22 58505 0.0611 0.3045 -0.05329 2019 1 23 58506 0.0600 0.3056 -0.05426 2019 1 24 58507 0.0589 0.3066 -0.05540 2019 1 25 58508 0.0578 0.3077 -0.05666 2019 1 26 58509 0.0567 0.3088 -0.05794 2019 1 27 58510 0.0556 0.3099 -0.05917 2019 1 28 58511 0.0546 0.3111 -0.06026 2019 1 29 58512 0.0536 0.3122 -0.06118 2019 1 30 58513 0.0526 0.3134 -0.06194 2019 1 31 58514 0.0516 0.3145 -0.06254 2019 2 1 58515 0.0507 0.3157 -0.06303 2019 2 2 58516 0.0498 0.3170 -0.06345 2019 2 3 58517 0.0489 0.3182 -0.06385 2019 2 4 58518 0.0480 0.3194 -0.06428 2019 2 5 58519 0.0472 0.3207 -0.06478 2019 2 6 58520 0.0463 0.3219 -0.06539 2019 2 7 58521 0.0455 0.3232 -0.06611 2019 2 8 58522 0.0448 0.3245 -0.06696 2019 2 9 58523 0.0440 0.3258 -0.06791 2019 2 10 58524 0.0433 0.3271 -0.06892 2019 2 11 58525 0.0426 0.3285 -0.06997 2019 2 12 58526 0.0419 0.3298 -0.07101 2019 2 13 58527 0.0413 0.3312 -0.07199 2019 2 14 58528 0.0407 0.3325 -0.07291 2019 2 15 58529 0.0401 0.3339 -0.07374 2019 2 16 58530 0.0395 0.3353 -0.07452 2019 2 17 58531 0.0390 0.3367 -0.07531 2019 2 18 58532 0.0385 0.3381 -0.07620 2019 2 19 58533 0.0380 0.3395 -0.07727 2019 2 20 58534 0.0375 0.3409 -0.07856 2019 2 21 58535 0.0371 0.3423 -0.08004 2019 2 22 58536 0.0367 0.3437 -0.08161 2019 2 23 58537 0.0363 0.3452 -0.08318 2019 2 24 58538 0.0360 0.3466 -0.08464 2019 2 25 58539 0.0357 0.3480 -0.08592 2019 2 26 58540 0.0354 0.3495 -0.08701 2019 2 27 58541 0.0351 0.3510 -0.08792 2019 2 28 58542 0.0349 0.3524 -0.08870 2019 3 1 58543 0.0347 0.3539 -0.08938 2019 3 2 58544 0.0345 0.3553 -0.09003 2019 3 3 58545 0.0344 0.3568 -0.09071 2019 3 4 58546 0.0342 0.3583 -0.09144 2019 3 5 58547 0.0342 0.3598 -0.09228 2019 3 6 58548 0.0341 0.3612 -0.09323 2019 3 7 58549 0.0341 0.3627 -0.09431 2019 3 8 58550 0.0341 0.3642 -0.09550 2019 3 9 58551 0.0341 0.3657 -0.09676 2019 3 10 58552 0.0341 0.3671 -0.09805 2019 3 11 58553 0.0342 0.3686 -0.09934 2019 3 12 58554 0.0343 0.3701 -0.10056 2019 3 13 58555 0.0345 0.3716 -0.10171 2019 3 14 58556 0.0347 0.3730 -0.10276 2019 3 15 58557 0.0349 0.3745 -0.10374 2019 3 16 58558 0.0351 0.3760 -0.10471 2019 3 17 58559 0.0354 0.3774 -0.10574 2019 3 18 58560 0.0356 0.3789 -0.10692 2019 3 19 58561 0.0360 0.3804 -0.10831 2019 3 20 58562 0.0363 0.3818 -0.10992 2019 3 21 58563 0.0367 0.3833 -0.11170 2019 3 22 58564 0.0371 0.3847 -0.11355 2019 3 23 58565 0.0375 0.3861 -0.11534 2019 3 24 58566 0.0380 0.3876 -0.11698 2019 3 25 58567 0.0384 0.3890 -0.11841 2019 3 26 58568 0.0389 0.3904 -0.11964 2019 3 27 58569 0.0395 0.3918 -0.12070 2019 3 28 58570 0.0401 0.3932 -0.12163 2019 3 29 58571 0.0406 0.3946 -0.12250 2019 3 30 58572 0.0413 0.3960 -0.12336 2019 3 31 58573 0.0419 0.3973 -0.12426 2019 4 1 58574 0.0426 0.3987 -0.12525 2019 4 2 58575 0.0433 0.4000 -0.12635 2019 4 3 58576 0.0440 0.4014 -0.12757 2019 4 4 58577 0.0448 0.4027 -0.12889 2019 4 5 58578 0.0455 0.4040 -0.13030 2019 4 6 58579 0.0463 0.4053 -0.13175 2019 4 7 58580 0.0472 0.4066 -0.13320 2019 4 8 58581 0.0480 0.4079 -0.13457 2019 4 9 58582 0.0489 0.4091 -0.13586 2019 4 10 58583 0.0498 0.4104 -0.13703 2019 4 11 58584 0.0507 0.4116 -0.13811 2019 4 12 58585 0.0517 0.4129 -0.13915 2019 4 13 58586 0.0527 0.4141 -0.14022 2019 4 14 58587 0.0537 0.4153 -0.14140 2019 4 15 58588 0.0547 0.4164 -0.14277 2019 4 16 58589 0.0557 0.4176 -0.14436 2019 4 17 58590 0.0568 0.4187 -0.14617 2019 4 18 58591 0.0579 0.4199 -0.14811 2019 4 19 58592 0.0590 0.4210 -0.15007 2019 4 20 58593 0.0601 0.4221 -0.15193 2019 4 21 58594 0.0613 0.4232 -0.15361 2019 4 22 58595 0.0625 0.4242 -0.15505 2019 4 23 58596 0.0637 0.4253 -0.15625 2019 4 24 58597 0.0649 0.4263 -0.15725 2019 4 25 58598 0.0661 0.4273 -0.15810 2019 4 26 58599 0.0674 0.4283 -0.15886 2019 4 27 58600 0.0686 0.4292 -0.15958 2019 4 28 58601 0.0699 0.4302 -0.16032 2019 4 29 58602 0.0712 0.4311 -0.16111 2019 4 30 58603 0.0726 0.4320 -0.16194 2019 5 1 58604 0.0739 0.4329 -0.16283 2019 5 2 58605 0.0753 0.4337 -0.16376 2019 5 3 58606 0.0767 0.4346 -0.16469 2019 5 4 58607 0.0781 0.4354 -0.16560 2019 5 5 58608 0.0795 0.4362 -0.16644 2019 5 6 58609 0.0809 0.4370 -0.16718 2019 5 7 58610 0.0823 0.4377 -0.16778 2019 5 8 58611 0.0838 0.4385 -0.16825 2019 5 9 58612 0.0853 0.4392 -0.16862 2019 5 10 58613 0.0867 0.4399 -0.16897 2019 5 11 58614 0.0882 0.4405 -0.16936 2019 5 12 58615 0.0898 0.4412 -0.16987 2019 5 13 58616 0.0913 0.4418 -0.17054 2019 5 14 58617 0.0928 0.4424 -0.17138 2019 5 15 58618 0.0944 0.4429 -0.17235 2019 5 16 58619 0.0959 0.4435 -0.17334 2019 5 17 58620 0.0975 0.4440 -0.17429 2019 5 18 58621 0.0991 0.4445 -0.17510 2019 5 19 58622 0.1006 0.4450 -0.17569 2019 5 20 58623 0.1022 0.4454 -0.17604 2019 5 21 58624 0.1038 0.4458 -0.17616 2019 5 22 58625 0.1055 0.4462 -0.17612 2019 5 23 58626 0.1071 0.4466 -0.17603 2019 5 24 58627 0.1087 0.4470 -0.17599 2019 5 25 58628 0.1103 0.4473 -0.17605 2019 5 26 58629 0.1120 0.4476 -0.17622 2019 5 27 58630 0.1136 0.4479 -0.17653 2019 5 28 58631 0.1153 0.4481 -0.17695 2019 5 29 58632 0.1169 0.4483 -0.17741 2019 5 30 58633 0.1186 0.4485 -0.17790 2019 5 31 58634 0.1202 0.4487 -0.17837 2019 6 1 58635 0.1219 0.4488 -0.17880 2019 6 2 58636 0.1236 0.4489 -0.17911 2019 6 3 58637 0.1252 0.4490 -0.17918 2019 6 4 58638 0.1269 0.4491 -0.17913 2019 6 5 58639 0.1286 0.4491 -0.17898 2019 6 6 58640 0.1303 0.4491 -0.17875 2019 6 7 58641 0.1319 0.4491 -0.17862 2019 6 8 58642 0.1336 0.4491 -0.17859 2019 6 9 58643 0.1353 0.4490 -0.17864 2019 6 10 58644 0.1369 0.4489 -0.17889 2019 6 11 58645 0.1386 0.4488 -0.17931 2019 6 12 58646 0.1403 0.4487 -0.17978 2019 6 13 58647 0.1419 0.4485 -0.18021 2019 6 14 58648 0.1436 0.4483 -0.18053 2019 6 15 58649 0.1452 0.4481 -0.18069 2019 6 16 58650 0.1469 0.4478 -0.18065 2019 6 17 58651 0.1485 0.4475 -0.18044 2019 6 18 58652 0.1502 0.4472 -0.18013 2019 6 19 58653 0.1518 0.4469 -0.17977 2019 6 20 58654 0.1534 0.4466 -0.17941 2019 6 21 58655 0.1550 0.4462 -0.17912 2019 6 22 58656 0.1567 0.4458 -0.17895 2019 6 23 58657 0.1583 0.4454 -0.17894 2019 6 24 58658 0.1599 0.4449 -0.17907 2019 6 25 58659 0.1614 0.4444 -0.17933 2019 6 26 58660 0.1630 0.4439 -0.17965 2019 6 27 58661 0.1646 0.4434 -0.17998 2019 6 28 58662 0.1661 0.4429 -0.18034 2019 6 29 58663 0.1677 0.4423 -0.18074 2019 6 30 58664 0.1692 0.4417 -0.18109 2019 7 1 58665 0.1707 0.4411 -0.18133 2019 7 2 58666 0.1722 0.4404 -0.18151 2019 7 3 58667 0.1737 0.4398 -0.18164 2019 7 4 58668 0.1752 0.4391 -0.18178 2019 7 5 58669 0.1767 0.4383 -0.18198 2019 7 6 58670 0.1781 0.4376 -0.18225 2019 7 7 58671 0.1796 0.4368 -0.18266 2019 7 8 58672 0.1810 0.4361 -0.18319 2019 7 9 58673 0.1824 0.4353 -0.18368 2019 7 10 58674 0.1838 0.4344 -0.18409 2019 7 11 58675 0.1852 0.4336 -0.18431 2019 7 12 58676 0.1865 0.4327 -0.18434 2019 7 13 58677 0.1879 0.4318 -0.18415 2019 7 14 58678 0.1892 0.4309 -0.18370 2019 7 15 58679 0.1905 0.4300 -0.18310 2019 7 16 58680 0.1918 0.4290 -0.18236 2019 7 17 58681 0.1930 0.4280 -0.18157 2019 7 18 58682 0.1943 0.4271 -0.18077 2019 7 19 58683 0.1955 0.4260 -0.17999 2019 7 20 58684 0.1967 0.4250 -0.17929 2019 7 21 58685 0.1979 0.4240 -0.17874 2019 7 22 58686 0.1991 0.4229 -0.17832 2019 7 23 58687 0.2002 0.4218 -0.17791 2019 7 24 58688 0.2014 0.4207 -0.17757 2019 7 25 58689 0.2025 0.4196 -0.17720 2019 7 26 58690 0.2035 0.4184 -0.17684 2019 7 27 58691 0.2046 0.4173 -0.17644 2019 7 28 58692 0.2056 0.4161 -0.17589 2019 7 29 58693 0.2066 0.4149 -0.17525 2019 7 30 58694 0.2076 0.4137 -0.17457 2019 7 31 58695 0.2086 0.4125 -0.17400 2019 8 1 58696 0.2095 0.4112 -0.17356 2019 8 2 58697 0.2104 0.4100 -0.17339 2019 8 3 58698 0.2113 0.4087 -0.17351 2019 8 4 58699 0.2122 0.4075 -0.17387 2019 8 5 58700 0.2130 0.4062 -0.17431 2019 8 6 58701 0.2138 0.4049 -0.17479 2019 8 7 58702 0.2146 0.4035 -0.17520 2019 8 8 58703 0.2154 0.4022 -0.17546 2019 8 9 58704 0.2161 0.4009 -0.17547 2019 8 10 58705 0.2168 0.3995 -0.17534 2019 8 11 58706 0.2175 0.3981 -0.17506 2019 8 12 58707 0.2182 0.3968 -0.17468 2019 8 13 58708 0.2188 0.3954 -0.17428 2019 8 14 58709 0.2194 0.3940 -0.17394 2019 8 15 58710 0.2200 0.3926 -0.17368 2019 8 16 58711 0.2205 0.3912 -0.17350 2019 8 17 58712 0.2210 0.3898 -0.17349 2019 8 18 58713 0.2215 0.3883 -0.17366 2019 8 19 58714 0.2220 0.3869 -0.17391 2019 8 20 58715 0.2224 0.3854 -0.17421 2019 8 21 58716 0.2228 0.3840 -0.17457 2019 8 22 58717 0.2232 0.3825 -0.17491 2019 8 23 58718 0.2235 0.3811 -0.17522 2019 8 24 58719 0.2239 0.3796 -0.17553 2019 8 25 58720 0.2241 0.3781 -0.17580 2019 8 26 58721 0.2244 0.3767 -0.17606 2019 8 27 58722 0.2246 0.3752 -0.17633 2019 8 28 58723 0.2248 0.3737 -0.17671 2019 8 29 58724 0.2250 0.3722 -0.17727 2019 8 30 58725 0.2251 0.3707 -0.17803 2019 8 31 58726 0.2252 0.3692 -0.17906 2019 9 1 58727 0.2253 0.3677 -0.18028 2019 9 2 58728 0.2254 0.3662 -0.18155 2019 9 3 58729 0.2254 0.3647 -0.18271 2019 9 4 58730 0.2254 0.3632 -0.18367 2019 9 5 58731 0.2254 0.3617 -0.18440 2019 9 6 58732 0.2253 0.3602 -0.18494 2019 9 7 58733 0.2252 0.3587 -0.18526 2019 9 8 58734 0.2251 0.3573 -0.18547 2019 9 9 58735 0.2249 0.3558 -0.18562 2019 9 10 58736 0.2247 0.3543 -0.18574 2019 9 11 58737 0.2245 0.3528 -0.18586 2019 9 12 58738 0.2243 0.3513 -0.18606 2019 9 13 58739 0.2240 0.3498 -0.18643 2019 9 14 58740 0.2237 0.3484 -0.18697 2019 9 15 58741 0.2233 0.3469 -0.18761 2019 9 16 58742 0.2230 0.3454 -0.18829 2019 9 17 58743 0.2226 0.3440 -0.18901 2019 9 18 58744 0.2222 0.3425 -0.18980 2019 9 19 58745 0.2217 0.3411 -0.19060 2019 9 20 58746 0.2212 0.3396 -0.19131 2019 9 21 58747 0.2207 0.3382 -0.19194 2019 9 22 58748 0.2202 0.3368 -0.19255 2019 9 23 58749 0.2196 0.3354 -0.19315 2019 9 24 58750 0.2190 0.3340 -0.19381 2019 9 25 58751 0.2184 0.3326 -0.19455 2019 9 26 58752 0.2178 0.3312 -0.19547 2019 9 27 58753 0.2171 0.3298 -0.19661 2019 9 28 58754 0.2164 0.3284 -0.19797 2019 9 29 58755 0.2156 0.3271 -0.19947 2019 9 30 58756 0.2149 0.3258 -0.20093 2019 10 1 58757 0.2141 0.3244 -0.20229 2019 10 2 58758 0.2133 0.3231 -0.20346 2019 10 3 58759 0.2124 0.3218 -0.20441 2019 10 4 58760 0.2116 0.3205 -0.20515 2019 10 5 58761 0.2107 0.3192 -0.20571 2019 10 6 58762 0.2098 0.3180 -0.20618 2019 10 7 58763 0.2088 0.3167 -0.20667 2019 10 8 58764 0.2079 0.3155 -0.20719 2019 10 9 58765 0.2069 0.3143 -0.20788 2019 10 10 58766 0.2059 0.3131 -0.20869 2019 10 11 58767 0.2048 0.3119 -0.20963 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) 58373 -115.41 0.28 -10.86 0.30 58374 -115.67 0.28 -10.71 0.30 58375 -115.79 0.28 -10.60 0.30 58376 -115.63 0.30 -10.73 0.11 58377 -115.29 0.35 -11.04 0.31 58378 -115.01 0.35 -11.32 0.31 58379 -114.87 0.38 -11.39 0.36 58380 -114.77 0.33 -11.30 0.33 58381 -114.66 0.33 -11.19 0.33 58382 -114.55 0.33 -11.14 0.33 58383 -114.47 0.17 -11.09 0.26 58384 -114.34 0.17 -10.95 0.26 58385 -114.16 0.29 -10.72 0.26 58386 -114.03 0.33 -10.50 0.26 58387 -114.02 0.33 -10.39 0.26 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58373 -0.038 0.110 0.279 0.299 58374 -0.026 0.110 0.282 0.299 58375 -0.010 0.110 0.285 0.299 58376 0.009 0.118 0.289 0.108 58377 0.028 0.141 0.294 0.311 58378 0.048 0.141 0.299 0.311 58379 0.065 0.150 0.302 0.355 58380 0.079 0.130 0.300 0.329 58381 0.090 0.130 0.296 0.329 58382 0.099 0.130 0.289 0.329 58383 0.107 0.068 0.282 0.256 58384 0.114 0.068 0.276 0.256 58385 0.121 0.116 0.269 0.257 58386 0.128 0.132 0.263 0.257 58387 0.134 0.132 0.257 0.257 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).