********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 18 October 2018 Vol. XXXI No. 042 ______________________________________________________________________ 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. * * * * Questions and enquiries can be emailed to the following address: * * navobsy_eop.fct@navy.mil * * This address will be replaced on Nov 8, 2018 by the following: * * 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 18 10 12 58403 0.20410 .00009 0.31855 .00009 0.036687 0.000017 18 10 13 58404 0.20317 .00009 0.31693 .00009 0.035810 0.000017 18 10 14 58405 0.20241 .00009 0.31545 .00009 0.035103 0.000021 18 10 15 58406 0.20192 .00009 0.31428 .00009 0.034508 0.000019 18 10 16 58407 0.20158 .00009 0.31333 .00009 0.034025 0.000019 18 10 17 58408 0.20102 .00009 0.31232 .00009 0.033586 0.000018 18 10 18 58409 0.20014 .00009 0.31112 .00009 0.033104 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 = 0.1253 + 0.0466 cos A - 0.0846 sin A + 0.0230 cos C + 0.0238 sin C y = 0.3539 - 0.0745 cos A - 0.0467 sin A + 0.0238 cos C - 0.0230 sin C UT1-UTC = 0.0010 - 0.00066 (MJD - 58417) - (UT2-UT1) where A = 2*pi*(MJD-58409)/365.25 and C = 2*pi*(MJD-58409)/435. TAI-UTC(MJD 58410) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58409)**0.80 S t = 0.00025 (MJD-58409)**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 19 58410 0.1991 0.3098 0.03257 2018 10 20 58411 0.1981 0.3085 0.03193 2018 10 21 58412 0.1970 0.3072 0.03115 2018 10 22 58413 0.1961 0.3060 0.03021 2018 10 23 58414 0.1951 0.3048 0.02911 2018 10 24 58415 0.1941 0.3037 0.02791 2018 10 25 58416 0.1930 0.3027 0.02666 2018 10 26 58417 0.1919 0.3017 0.02547 2018 10 27 58418 0.1907 0.3007 0.02439 2018 10 28 58419 0.1895 0.2996 0.02346 2018 10 29 58420 0.1883 0.2986 0.02268 2018 10 30 58421 0.1871 0.2976 0.02198 2018 10 31 58422 0.1859 0.2967 0.02127 2018 11 1 58423 0.1846 0.2958 0.02045 2018 11 2 58424 0.1833 0.2949 0.01946 2018 11 3 58425 0.1820 0.2940 0.01829 2018 11 4 58426 0.1807 0.2931 0.01697 2018 11 5 58427 0.1794 0.2922 0.01556 2018 11 6 58428 0.1780 0.2914 0.01414 2018 11 7 58429 0.1767 0.2906 0.01281 2018 11 8 58430 0.1753 0.2898 0.01162 2018 11 9 58431 0.1738 0.2891 0.01060 2018 11 10 58432 0.1724 0.2883 0.00976 2018 11 11 58433 0.1710 0.2876 0.00906 2018 11 12 58434 0.1695 0.2869 0.00846 2018 11 13 58435 0.1680 0.2862 0.00792 2018 11 14 58436 0.1666 0.2856 0.00737 2018 11 15 58437 0.1651 0.2850 0.00677 2018 11 16 58438 0.1636 0.2844 0.00609 2018 11 17 58439 0.1621 0.2838 0.00528 2018 11 18 58440 0.1605 0.2832 0.00435 2018 11 19 58441 0.1590 0.2827 0.00330 2018 11 20 58442 0.1574 0.2822 0.00218 2018 11 21 58443 0.1559 0.2817 0.00102 2018 11 22 58444 0.1543 0.2813 -0.00010 2018 11 23 58445 0.1527 0.2809 -0.00113 2018 11 24 58446 0.1511 0.2805 -0.00203 2018 11 25 58447 0.1495 0.2801 -0.00281 2018 11 26 58448 0.1479 0.2797 -0.00351 2018 11 27 58449 0.1463 0.2794 -0.00420 2018 11 28 58450 0.1447 0.2791 -0.00496 2018 11 29 58451 0.1431 0.2789 -0.00585 2018 11 30 58452 0.1415 0.2786 -0.00688 2018 12 1 58453 0.1398 0.2784 -0.00804 2018 12 2 58454 0.1382 0.2782 -0.00927 2018 12 3 58455 0.1366 0.2780 -0.01052 2018 12 4 58456 0.1349 0.2779 -0.01170 2018 12 5 58457 0.1333 0.2778 -0.01276 2018 12 6 58458 0.1316 0.2777 -0.01366 2018 12 7 58459 0.1300 0.2776 -0.01441 2018 12 8 58460 0.1283 0.2776 -0.01501 2018 12 9 58461 0.1267 0.2776 -0.01552 2018 12 10 58462 0.1250 0.2776 -0.01597 2018 12 11 58463 0.1234 0.2777 -0.01643 2018 12 12 58464 0.1217 0.2777 -0.01695 2018 12 13 58465 0.1201 0.2778 -0.01756 2018 12 14 58466 0.1185 0.2779 -0.01828 2018 12 15 58467 0.1168 0.2781 -0.01913 2018 12 16 58468 0.1152 0.2783 -0.02009 2018 12 17 58469 0.1136 0.2785 -0.02115 2018 12 18 58470 0.1119 0.2787 -0.02226 2018 12 19 58471 0.1103 0.2789 -0.02338 2018 12 20 58472 0.1087 0.2792 -0.02446 2018 12 21 58473 0.1071 0.2795 -0.02543 2018 12 22 58474 0.1055 0.2799 -0.02627 2018 12 23 58475 0.1039 0.2802 -0.02700 2018 12 24 58476 0.1023 0.2806 -0.02769 2018 12 25 58477 0.1007 0.2810 -0.02841 2018 12 26 58478 0.0991 0.2814 -0.02924 2018 12 27 58479 0.0975 0.2819 -0.03020 2018 12 28 58480 0.0960 0.2824 -0.03129 2018 12 29 58481 0.0944 0.2829 -0.03246 2018 12 30 58482 0.0929 0.2834 -0.03362 2018 12 31 58483 0.0914 0.2839 -0.03471 2019 1 1 58484 0.0898 0.2845 -0.03568 2019 1 2 58485 0.0883 0.2851 -0.03649 2019 1 3 58486 0.0868 0.2858 -0.03715 2019 1 4 58487 0.0854 0.2864 -0.03767 2019 1 5 58488 0.0839 0.2871 -0.03808 2019 1 6 58489 0.0824 0.2878 -0.03844 2019 1 7 58490 0.0810 0.2885 -0.03879 2019 1 8 58491 0.0796 0.2892 -0.03918 2019 1 9 58492 0.0782 0.2900 -0.03964 2019 1 10 58493 0.0768 0.2908 -0.04021 2019 1 11 58494 0.0754 0.2916 -0.04091 2019 1 12 58495 0.0740 0.2924 -0.04172 2019 1 13 58496 0.0727 0.2933 -0.04262 2019 1 14 58497 0.0713 0.2942 -0.04358 2019 1 15 58498 0.0700 0.2951 -0.04457 2019 1 16 58499 0.0687 0.2960 -0.04554 2019 1 17 58500 0.0675 0.2969 -0.04644 2019 1 18 58501 0.0662 0.2979 -0.04725 2019 1 19 58502 0.0649 0.2988 -0.04797 2019 1 20 58503 0.0637 0.2998 -0.04864 2019 1 21 58504 0.0625 0.3009 -0.04934 2019 1 22 58505 0.0613 0.3019 -0.05017 2019 1 23 58506 0.0602 0.3030 -0.05117 2019 1 24 58507 0.0590 0.3040 -0.05235 2019 1 25 58508 0.0579 0.3051 -0.05365 2019 1 26 58509 0.0568 0.3062 -0.05498 2019 1 27 58510 0.0557 0.3074 -0.05626 2019 1 28 58511 0.0547 0.3085 -0.05740 2019 1 29 58512 0.0537 0.3097 -0.05838 2019 1 30 58513 0.0526 0.3108 -0.05918 2019 1 31 58514 0.0517 0.3120 -0.05982 2019 2 1 58515 0.0507 0.3132 -0.06035 2019 2 2 58516 0.0498 0.3145 -0.06080 2019 2 3 58517 0.0488 0.3157 -0.06122 2019 2 4 58518 0.0479 0.3170 -0.06166 2019 2 5 58519 0.0471 0.3182 -0.06217 2019 2 6 58520 0.0462 0.3195 -0.06279 2019 2 7 58521 0.0454 0.3208 -0.06352 2019 2 8 58522 0.0446 0.3221 -0.06438 2019 2 9 58523 0.0439 0.3234 -0.06534 2019 2 10 58524 0.0431 0.3248 -0.06637 2019 2 11 58525 0.0424 0.3261 -0.06743 2019 2 12 58526 0.0417 0.3275 -0.06848 2019 2 13 58527 0.0411 0.3288 -0.06949 2019 2 14 58528 0.0404 0.3302 -0.07041 2019 2 15 58529 0.0398 0.3316 -0.07126 2019 2 16 58530 0.0392 0.3330 -0.07206 2019 2 17 58531 0.0387 0.3344 -0.07286 2019 2 18 58532 0.0382 0.3358 -0.07377 2019 2 19 58533 0.0377 0.3373 -0.07486 2019 2 20 58534 0.0372 0.3387 -0.07616 2019 2 21 58535 0.0367 0.3401 -0.07764 2019 2 22 58536 0.0363 0.3416 -0.07923 2019 2 23 58537 0.0359 0.3430 -0.08081 2019 2 24 58538 0.0356 0.3445 -0.08227 2019 2 25 58539 0.0352 0.3460 -0.08357 2019 2 26 58540 0.0349 0.3474 -0.08466 2019 2 27 58541 0.0347 0.3489 -0.08558 2019 2 28 58542 0.0344 0.3504 -0.08636 2019 3 1 58543 0.0342 0.3519 -0.08705 2019 3 2 58544 0.0340 0.3534 -0.08771 2019 3 3 58545 0.0339 0.3548 -0.08839 2019 3 4 58546 0.0337 0.3563 -0.08913 2019 3 5 58547 0.0336 0.3578 -0.08997 2019 3 6 58548 0.0336 0.3593 -0.09093 2019 3 7 58549 0.0335 0.3608 -0.09202 2019 3 8 58550 0.0335 0.3623 -0.09321 2019 3 9 58551 0.0335 0.3638 -0.09448 2019 3 10 58552 0.0336 0.3653 -0.09578 2019 3 11 58553 0.0336 0.3668 -0.09706 2019 3 12 58554 0.0338 0.3683 -0.09829 2019 3 13 58555 0.0339 0.3698 -0.09944 2019 3 14 58556 0.0340 0.3713 -0.10049 2019 3 15 58557 0.0342 0.3728 -0.10147 2019 3 16 58558 0.0345 0.3743 -0.10244 2019 3 17 58559 0.0347 0.3758 -0.10346 2019 3 18 58560 0.0350 0.3773 -0.10463 2019 3 19 58561 0.0353 0.3788 -0.10601 2019 3 20 58562 0.0356 0.3803 -0.10761 2019 3 21 58563 0.0360 0.3817 -0.10938 2019 3 22 58564 0.0364 0.3832 -0.11120 2019 3 23 58565 0.0368 0.3846 -0.11297 2019 3 24 58566 0.0372 0.3861 -0.11459 2019 3 25 58567 0.0377 0.3875 -0.11600 2019 3 26 58568 0.0382 0.3890 -0.11720 2019 3 27 58569 0.0388 0.3904 -0.11822 2019 3 28 58570 0.0393 0.3918 -0.11913 2019 3 29 58571 0.0399 0.3932 -0.11997 2019 3 30 58572 0.0405 0.3947 -0.12080 2019 3 31 58573 0.0412 0.3960 -0.12167 2019 4 1 58574 0.0418 0.3974 -0.12263 2019 4 2 58575 0.0425 0.3988 -0.12370 2019 4 3 58576 0.0432 0.4002 -0.12489 2019 4 4 58577 0.0440 0.4015 -0.12619 2019 4 5 58578 0.0448 0.4029 -0.12757 2019 4 6 58579 0.0456 0.4042 -0.12900 2019 4 7 58580 0.0464 0.4055 -0.13041 2019 4 8 58581 0.0472 0.4068 -0.13176 2019 4 9 58582 0.0481 0.4081 -0.13302 2019 4 10 58583 0.0490 0.4094 -0.13416 2019 4 11 58584 0.0499 0.4106 -0.13520 2019 4 12 58585 0.0509 0.4119 -0.13620 2019 4 13 58586 0.0519 0.4131 -0.13721 2019 4 14 58587 0.0529 0.4144 -0.13833 2019 4 15 58588 0.0539 0.4156 -0.13963 2019 4 16 58589 0.0549 0.4167 -0.14113 2019 4 17 58590 0.0560 0.4179 -0.14284 2019 4 18 58591 0.0571 0.4191 -0.14466 2019 4 19 58592 0.0582 0.4202 -0.14651 2019 4 20 58593 0.0593 0.4213 -0.14827 2019 4 21 58594 0.0605 0.4224 -0.14985 2019 4 22 58595 0.0617 0.4235 -0.15124 2019 4 23 58596 0.0629 0.4246 -0.15245 2019 4 24 58597 0.0641 0.4256 -0.15351 2019 4 25 58598 0.0653 0.4267 -0.15450 2019 4 26 58599 0.0666 0.4277 -0.15546 2019 4 27 58600 0.0679 0.4287 -0.15645 2019 4 28 58601 0.0692 0.4296 -0.15750 2019 4 29 58602 0.0705 0.4306 -0.15863 2019 4 30 58603 0.0718 0.4315 -0.15984 2019 5 1 58604 0.0731 0.4324 -0.16111 2019 5 2 58605 0.0745 0.4333 -0.16243 2019 5 3 58606 0.0759 0.4342 -0.16375 2019 5 4 58607 0.0773 0.4350 -0.16502 2019 5 5 58608 0.0787 0.4358 -0.16621 2019 5 6 58609 0.0801 0.4366 -0.16725 2019 5 7 58610 0.0816 0.4374 -0.16812 2019 5 8 58611 0.0831 0.4382 -0.16882 2019 5 9 58612 0.0845 0.4389 -0.16938 2019 5 10 58613 0.0860 0.4396 -0.16987 2019 5 11 58614 0.0875 0.4403 -0.17036 2019 5 12 58615 0.0891 0.4410 -0.17094 2019 5 13 58616 0.0906 0.4416 -0.17164 2019 5 14 58617 0.0921 0.4422 -0.17249 2019 5 15 58618 0.0937 0.4428 -0.17345 2019 5 16 58619 0.0952 0.4434 -0.17445 2019 5 17 58620 0.0968 0.4439 -0.17541 2019 5 18 58621 0.0984 0.4444 -0.17621 2019 5 19 58622 0.1000 0.4449 -0.17681 2019 5 20 58623 0.1016 0.4454 -0.17719 2019 5 21 58624 0.1032 0.4459 -0.17738 2019 5 22 58625 0.1048 0.4463 -0.17742 2019 5 23 58626 0.1065 0.4467 -0.17738 2019 5 24 58627 0.1081 0.4470 -0.17731 2019 5 25 58628 0.1098 0.4474 -0.17726 2019 5 26 58629 0.1114 0.4477 -0.17728 2019 5 27 58630 0.1131 0.4480 -0.17742 2019 5 28 58631 0.1147 0.4482 -0.17766 2019 5 29 58632 0.1164 0.4485 -0.17795 2019 5 30 58633 0.1181 0.4487 -0.17830 2019 5 31 58634 0.1197 0.4489 -0.17869 2019 6 1 58635 0.1214 0.4490 -0.17908 2019 6 2 58636 0.1231 0.4492 -0.17935 2019 6 3 58637 0.1248 0.4493 -0.17946 2019 6 4 58638 0.1265 0.4494 -0.17939 2019 6 5 58639 0.1281 0.4494 -0.17919 2019 6 6 58640 0.1298 0.4495 -0.17897 2019 6 7 58641 0.1315 0.4495 -0.17884 2019 6 8 58642 0.1332 0.4494 -0.17889 2019 6 9 58643 0.1349 0.4494 -0.17914 2019 6 10 58644 0.1366 0.4493 -0.17957 2019 6 11 58645 0.1382 0.4492 -0.18013 2019 6 12 58646 0.1399 0.4491 -0.18070 2019 6 13 58647 0.1416 0.4489 -0.18120 2019 6 14 58648 0.1433 0.4487 -0.18154 2019 6 15 58649 0.1449 0.4485 -0.18170 2019 6 16 58650 0.1466 0.4483 -0.18161 2019 6 17 58651 0.1483 0.4480 -0.18123 2019 6 18 58652 0.1499 0.4477 -0.18073 2019 6 19 58653 0.1516 0.4474 -0.18014 2019 6 20 58654 0.1532 0.4471 -0.17951 2019 6 21 58655 0.1548 0.4467 -0.17895 2019 6 22 58656 0.1565 0.4463 -0.17846 2019 6 23 58657 0.1581 0.4459 -0.17799 2019 6 24 58658 0.1597 0.4455 -0.17766 2019 6 25 58659 0.1613 0.4450 -0.17748 2019 6 26 58660 0.1629 0.4445 -0.17738 2019 6 27 58661 0.1645 0.4440 -0.17731 2019 6 28 58662 0.1661 0.4435 -0.17725 2019 6 29 58663 0.1676 0.4429 -0.17717 2019 6 30 58664 0.1692 0.4423 -0.17698 2019 7 1 58665 0.1707 0.4417 -0.17669 2019 7 2 58666 0.1722 0.4411 -0.17633 2019 7 3 58667 0.1737 0.4404 -0.17595 2019 7 4 58668 0.1752 0.4397 -0.17562 2019 7 5 58669 0.1767 0.4390 -0.17545 2019 7 6 58670 0.1782 0.4383 -0.17550 2019 7 7 58671 0.1797 0.4375 -0.17579 2019 7 8 58672 0.1811 0.4368 -0.17626 2019 7 9 58673 0.1825 0.4360 -0.17682 2019 7 10 58674 0.1839 0.4351 -0.17735 2019 7 11 58675 0.1853 0.4343 -0.17774 2019 7 12 58676 0.1867 0.4334 -0.17800 2019 7 13 58677 0.1881 0.4325 -0.17817 2019 7 14 58678 0.1894 0.4316 -0.17820 2019 7 15 58679 0.1908 0.4307 -0.17811 2019 7 16 58680 0.1921 0.4297 -0.17798 2019 7 17 58681 0.1933 0.4288 -0.17784 2019 7 18 58682 0.1946 0.4278 -0.17771 2019 7 19 58683 0.1959 0.4268 -0.17761 2019 7 20 58684 0.1971 0.4257 -0.17750 2019 7 21 58685 0.1983 0.4247 -0.17747 2019 7 22 58686 0.1995 0.4236 -0.17753 2019 7 23 58687 0.2007 0.4225 -0.17758 2019 7 24 58688 0.2018 0.4214 -0.17763 2019 7 25 58689 0.2029 0.4203 -0.17761 2019 7 26 58690 0.2040 0.4192 -0.17755 2019 7 27 58691 0.2051 0.4180 -0.17741 2019 7 28 58692 0.2062 0.4168 -0.17709 2019 7 29 58693 0.2072 0.4156 -0.17665 2019 7 30 58694 0.2082 0.4144 -0.17611 2019 7 31 58695 0.2092 0.4132 -0.17555 2019 8 1 58696 0.2101 0.4120 -0.17506 2019 8 2 58697 0.2111 0.4107 -0.17471 2019 8 3 58698 0.2120 0.4094 -0.17455 2019 8 4 58699 0.2129 0.4082 -0.17463 2019 8 5 58700 0.2137 0.4069 -0.17485 2019 8 6 58701 0.2146 0.4055 -0.17499 2019 8 7 58702 0.2154 0.4042 -0.17505 2019 8 8 58703 0.2162 0.4029 -0.17491 2019 8 9 58704 0.2169 0.4015 -0.17460 2019 8 10 58705 0.2177 0.4002 -0.17414 2019 8 11 58706 0.2184 0.3988 -0.17348 2019 8 12 58707 0.2190 0.3974 -0.17273 2019 8 13 58708 0.2197 0.3960 -0.17198 2019 8 14 58709 0.2203 0.3946 -0.17136 2019 8 15 58710 0.2209 0.3932 -0.17085 2019 8 16 58711 0.2215 0.3918 -0.17054 2019 8 17 58712 0.2220 0.3904 -0.17041 2019 8 18 58713 0.2225 0.3889 -0.17044 2019 8 19 58714 0.2230 0.3875 -0.17055 2019 8 20 58715 0.2234 0.3860 -0.17075 2019 8 21 58716 0.2239 0.3846 -0.17103 2019 8 22 58717 0.2243 0.3831 -0.17130 2019 8 23 58718 0.2246 0.3816 -0.17148 2019 8 24 58719 0.2250 0.3801 -0.17162 2019 8 25 58720 0.2253 0.3786 -0.17168 2019 8 26 58721 0.2256 0.3772 -0.17166 2019 8 27 58722 0.2258 0.3757 -0.17163 2019 8 28 58723 0.2260 0.3742 -0.17172 2019 8 29 58724 0.2262 0.3727 -0.17198 2019 8 30 58725 0.2264 0.3712 -0.17247 2019 8 31 58726 0.2265 0.3697 -0.17325 2019 9 1 58727 0.2266 0.3681 -0.17428 2019 9 2 58728 0.2267 0.3666 -0.17536 2019 9 3 58729 0.2267 0.3651 -0.17638 2019 9 4 58730 0.2267 0.3636 -0.17726 2019 9 5 58731 0.2267 0.3621 -0.17794 2019 9 6 58732 0.2267 0.3606 -0.17842 2019 9 7 58733 0.2266 0.3591 -0.17880 2019 9 8 58734 0.2265 0.3576 -0.17913 2019 9 9 58735 0.2263 0.3561 -0.17946 2019 9 10 58736 0.2262 0.3546 -0.17984 2019 9 11 58737 0.2260 0.3530 -0.18031 2019 9 12 58738 0.2257 0.3515 -0.18089 2019 9 13 58739 0.2255 0.3501 -0.18157 2019 9 14 58740 0.2252 0.3486 -0.18238 2019 9 15 58741 0.2249 0.3471 -0.18331 2019 9 16 58742 0.2245 0.3456 -0.18429 2019 9 17 58743 0.2242 0.3441 -0.18525 2019 9 18 58744 0.2238 0.3426 -0.18615 2019 9 19 58745 0.2233 0.3412 -0.18699 2019 9 20 58746 0.2229 0.3397 -0.18776 2019 9 21 58747 0.2224 0.3383 -0.18840 2019 9 22 58748 0.2219 0.3368 -0.18895 2019 9 23 58749 0.2213 0.3354 -0.18947 2019 9 24 58750 0.2207 0.3340 -0.18996 2019 9 25 58751 0.2201 0.3326 -0.19052 2019 9 26 58752 0.2195 0.3311 -0.19127 2019 9 27 58753 0.2188 0.3298 -0.19234 2019 9 28 58754 0.2182 0.3284 -0.19369 2019 9 29 58755 0.2174 0.3270 -0.19518 2019 9 30 58756 0.2167 0.3256 -0.19666 2019 10 1 58757 0.2159 0.3243 -0.19804 2019 10 2 58758 0.2151 0.3229 -0.19928 2019 10 3 58759 0.2143 0.3216 -0.20036 2019 10 4 58760 0.2135 0.3203 -0.20121 2019 10 5 58761 0.2126 0.3190 -0.20192 2019 10 6 58762 0.2117 0.3177 -0.20260 2019 10 7 58763 0.2107 0.3164 -0.20330 2019 10 8 58764 0.2098 0.3152 -0.20405 2019 10 9 58765 0.2088 0.3139 -0.20486 2019 10 10 58766 0.2078 0.3127 -0.20574 2019 10 11 58767 0.2068 0.3115 -0.20670 2019 10 12 58768 0.2057 0.3103 -0.20774 2019 10 13 58769 0.2047 0.3091 -0.20884 2019 10 14 58770 0.2036 0.3080 -0.20993 2019 10 15 58771 0.2024 0.3068 -0.21102 2019 10 16 58772 0.2013 0.3057 -0.21206 2019 10 17 58773 0.2001 0.3046 -0.21303 2019 10 18 58774 0.1989 0.3035 -0.21388 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) 58388 -114.15 0.33 -10.43 0.26 58389 -114.20 0.33 -10.55 0.26 58390 -114.20 0.33 -10.64 0.26 58391 -114.28 0.19 -10.65 0.24 58392 -114.47 0.19 -10.64 0.24 58393 -114.63 0.19 -10.66 0.24 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58388 0.118 0.132 0.254 0.257 58389 0.114 0.132 0.252 0.257 58390 0.109 0.132 0.249 0.257 58391 0.102 0.076 0.247 0.244 58392 0.095 0.076 0.245 0.244 58393 0.087 0.076 0.243 0.244 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).