********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 22 November 2018 Vol. XXXI No. 047 ______________________________________________________________________ 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: * * 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 11 16 58438 0.16956 .00009 0.28064 .00009 0.005113 0.000014 18 11 17 58439 0.16815 .00009 0.27976 .00009 0.004150 0.000012 18 11 18 58440 0.16704 .00009 0.27912 .00009 0.003082 0.000012 18 11 19 58441 0.16602 .00009 0.27865 .00009 0.001866 0.000008 18 11 20 58442 0.16497 .00009 0.27830 .00009 0.000538 0.000008 18 11 21 58443 0.16391 .00009 0.27801 .00009 -0.000851 0.000007 18 11 22 58444 0.16287 .00009 0.27767 .00009 -0.002244 0.000006 _______________________________________________________________________ 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 = 0.1289 - 0.0131 cos A - 0.0873 sin A + 0.0412 cos C + 0.0048 sin C y = 0.3500 - 0.0788 cos A + 0.0099 sin A + 0.0048 cos C - 0.0412 sin C UT1-UTC = -0.0251 - 0.00066 (MJD - 58452) - (UT2-UT1) where A = 2*pi*(MJD-58444)/365.25 and C = 2*pi*(MJD-58444)/435. TAI-UTC(MJD 58445) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58444)**0.80 S t = 0.00025 (MJD-58444)**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 11 23 58445 0.1617 0.2774 -0.00358 2018 11 24 58446 0.1604 0.2770 -0.00479 2018 11 25 58447 0.1590 0.2767 -0.00585 2018 11 26 58448 0.1576 0.2764 -0.00682 2018 11 27 58449 0.1562 0.2760 -0.00778 2018 11 28 58450 0.1547 0.2756 -0.00878 2018 11 29 58451 0.1532 0.2752 -0.00989 2018 11 30 58452 0.1517 0.2748 -0.01113 2018 12 1 58453 0.1502 0.2745 -0.01249 2018 12 2 58454 0.1486 0.2741 -0.01393 2018 12 3 58455 0.1470 0.2738 -0.01537 2018 12 4 58456 0.1454 0.2736 -0.01676 2018 12 5 58457 0.1437 0.2733 -0.01800 2018 12 6 58458 0.1421 0.2730 -0.01906 2018 12 7 58459 0.1405 0.2728 -0.01993 2018 12 8 58460 0.1388 0.2726 -0.02063 2018 12 9 58461 0.1372 0.2724 -0.02122 2018 12 10 58462 0.1356 0.2723 -0.02173 2018 12 11 58463 0.1340 0.2722 -0.02220 2018 12 12 58464 0.1324 0.2721 -0.02267 2018 12 13 58465 0.1308 0.2720 -0.02319 2018 12 14 58466 0.1292 0.2720 -0.02380 2018 12 15 58467 0.1276 0.2720 -0.02451 2018 12 16 58468 0.1259 0.2720 -0.02534 2018 12 17 58469 0.1243 0.2721 -0.02627 2018 12 18 58470 0.1227 0.2722 -0.02726 2018 12 19 58471 0.1211 0.2723 -0.02826 2018 12 20 58472 0.1194 0.2724 -0.02920 2018 12 21 58473 0.1178 0.2726 -0.03002 2018 12 22 58474 0.1162 0.2728 -0.03072 2018 12 23 58475 0.1146 0.2730 -0.03130 2018 12 24 58476 0.1130 0.2732 -0.03185 2018 12 25 58477 0.1114 0.2735 -0.03244 2018 12 26 58478 0.1098 0.2738 -0.03315 2018 12 27 58479 0.1082 0.2741 -0.03402 2018 12 28 58480 0.1066 0.2745 -0.03502 2018 12 29 58481 0.1050 0.2748 -0.03610 2018 12 30 58482 0.1034 0.2752 -0.03718 2018 12 31 58483 0.1019 0.2757 -0.03819 2019 1 1 58484 0.1003 0.2761 -0.03908 2019 1 2 58485 0.0988 0.2766 -0.03980 2019 1 3 58486 0.0972 0.2771 -0.04036 2019 1 4 58487 0.0957 0.2776 -0.04077 2019 1 5 58488 0.0942 0.2782 -0.04107 2019 1 6 58489 0.0927 0.2787 -0.04129 2019 1 7 58490 0.0912 0.2793 -0.04149 2019 1 8 58491 0.0897 0.2800 -0.04172 2019 1 9 58492 0.0883 0.2806 -0.04202 2019 1 10 58493 0.0868 0.2813 -0.04243 2019 1 11 58494 0.0854 0.2820 -0.04296 2019 1 12 58495 0.0840 0.2827 -0.04359 2019 1 13 58496 0.0826 0.2835 -0.04432 2019 1 14 58497 0.0812 0.2842 -0.04511 2019 1 15 58498 0.0798 0.2850 -0.04593 2019 1 16 58499 0.0784 0.2858 -0.04673 2019 1 17 58500 0.0771 0.2867 -0.04747 2019 1 18 58501 0.0758 0.2875 -0.04812 2019 1 19 58502 0.0745 0.2884 -0.04869 2019 1 20 58503 0.0732 0.2893 -0.04922 2019 1 21 58504 0.0719 0.2902 -0.04979 2019 1 22 58505 0.0706 0.2912 -0.05049 2019 1 23 58506 0.0694 0.2921 -0.05136 2019 1 24 58507 0.0682 0.2931 -0.05242 2019 1 25 58508 0.0670 0.2941 -0.05361 2019 1 26 58509 0.0658 0.2951 -0.05484 2019 1 27 58510 0.0647 0.2962 -0.05602 2019 1 28 58511 0.0635 0.2972 -0.05708 2019 1 29 58512 0.0624 0.2983 -0.05797 2019 1 30 58513 0.0613 0.2994 -0.05870 2019 1 31 58514 0.0603 0.3005 -0.05929 2019 2 1 58515 0.0592 0.3017 -0.05978 2019 2 2 58516 0.0582 0.3028 -0.06021 2019 2 3 58517 0.0572 0.3040 -0.06064 2019 2 4 58518 0.0562 0.3052 -0.06110 2019 2 5 58519 0.0553 0.3064 -0.06164 2019 2 6 58520 0.0543 0.3076 -0.06229 2019 2 7 58521 0.0534 0.3088 -0.06307 2019 2 8 58522 0.0525 0.3101 -0.06398 2019 2 9 58523 0.0517 0.3113 -0.06499 2019 2 10 58524 0.0509 0.3126 -0.06607 2019 2 11 58525 0.0500 0.3139 -0.06719 2019 2 12 58526 0.0493 0.3152 -0.06829 2019 2 13 58527 0.0485 0.3165 -0.06934 2019 2 14 58528 0.0478 0.3178 -0.07030 2019 2 15 58529 0.0471 0.3192 -0.07118 2019 2 16 58530 0.0464 0.3205 -0.07200 2019 2 17 58531 0.0457 0.3219 -0.07283 2019 2 18 58532 0.0451 0.3233 -0.07375 2019 2 19 58533 0.0445 0.3247 -0.07485 2019 2 20 58534 0.0439 0.3261 -0.07616 2019 2 21 58535 0.0434 0.3275 -0.07766 2019 2 22 58536 0.0429 0.3289 -0.07926 2019 2 23 58537 0.0424 0.3303 -0.08086 2019 2 24 58538 0.0419 0.3317 -0.08236 2019 2 25 58539 0.0415 0.3332 -0.08368 2019 2 26 58540 0.0411 0.3346 -0.08482 2019 2 27 58541 0.0407 0.3361 -0.08578 2019 2 28 58542 0.0404 0.3376 -0.08661 2019 3 1 58543 0.0400 0.3390 -0.08737 2019 3 2 58544 0.0398 0.3405 -0.08809 2019 3 3 58545 0.0395 0.3420 -0.08883 2019 3 4 58546 0.0393 0.3435 -0.08965 2019 3 5 58547 0.0390 0.3450 -0.09056 2019 3 6 58548 0.0389 0.3464 -0.09159 2019 3 7 58549 0.0387 0.3479 -0.09275 2019 3 8 58550 0.0386 0.3494 -0.09402 2019 3 9 58551 0.0385 0.3509 -0.09536 2019 3 10 58552 0.0384 0.3525 -0.09672 2019 3 11 58553 0.0384 0.3540 -0.09805 2019 3 12 58554 0.0384 0.3555 -0.09932 2019 3 13 58555 0.0384 0.3570 -0.10050 2019 3 14 58556 0.0385 0.3585 -0.10159 2019 3 15 58557 0.0386 0.3600 -0.10261 2019 3 16 58558 0.0387 0.3615 -0.10361 2019 3 17 58559 0.0388 0.3630 -0.10467 2019 3 18 58560 0.0390 0.3645 -0.10588 2019 3 19 58561 0.0392 0.3660 -0.10730 2019 3 20 58562 0.0394 0.3675 -0.10893 2019 3 21 58563 0.0397 0.3690 -0.11074 2019 3 22 58564 0.0399 0.3705 -0.11260 2019 3 23 58565 0.0403 0.3720 -0.11441 2019 3 24 58566 0.0406 0.3735 -0.11606 2019 3 25 58567 0.0410 0.3750 -0.11751 2019 3 26 58568 0.0414 0.3764 -0.11875 2019 3 27 58569 0.0418 0.3779 -0.11981 2019 3 28 58570 0.0422 0.3794 -0.12074 2019 3 29 58571 0.0427 0.3808 -0.12161 2019 3 30 58572 0.0432 0.3823 -0.12247 2019 3 31 58573 0.0438 0.3837 -0.12338 2019 4 1 58574 0.0443 0.3851 -0.12436 2019 4 2 58575 0.0449 0.3866 -0.12546 2019 4 3 58576 0.0455 0.3880 -0.12666 2019 4 4 58577 0.0462 0.3894 -0.12798 2019 4 5 58578 0.0468 0.3908 -0.12938 2019 4 6 58579 0.0475 0.3922 -0.13082 2019 4 7 58580 0.0483 0.3936 -0.13224 2019 4 8 58581 0.0490 0.3949 -0.13359 2019 4 9 58582 0.0498 0.3963 -0.13484 2019 4 10 58583 0.0506 0.3976 -0.13597 2019 4 11 58584 0.0514 0.3989 -0.13699 2019 4 12 58585 0.0523 0.4003 -0.13796 2019 4 13 58586 0.0531 0.4016 -0.13894 2019 4 14 58587 0.0540 0.4029 -0.14002 2019 4 15 58588 0.0550 0.4041 -0.14126 2019 4 16 58589 0.0559 0.4054 -0.14270 2019 4 17 58590 0.0569 0.4066 -0.14432 2019 4 18 58591 0.0579 0.4079 -0.14606 2019 4 19 58592 0.0589 0.4091 -0.14779 2019 4 20 58593 0.0599 0.4103 -0.14942 2019 4 21 58594 0.0610 0.4115 -0.15086 2019 4 22 58595 0.0621 0.4127 -0.15207 2019 4 23 58596 0.0632 0.4138 -0.15307 2019 4 24 58597 0.0643 0.4149 -0.15391 2019 4 25 58598 0.0655 0.4161 -0.15464 2019 4 26 58599 0.0666 0.4172 -0.15532 2019 4 27 58600 0.0678 0.4182 -0.15602 2019 4 28 58601 0.0690 0.4193 -0.15677 2019 4 29 58602 0.0703 0.4203 -0.15760 2019 4 30 58603 0.0715 0.4214 -0.15854 2019 5 1 58604 0.0728 0.4224 -0.15958 2019 5 2 58605 0.0741 0.4234 -0.16069 2019 5 3 58606 0.0754 0.4243 -0.16185 2019 5 4 58607 0.0767 0.4253 -0.16301 2019 5 5 58608 0.0780 0.4262 -0.16410 2019 5 6 58609 0.0794 0.4271 -0.16508 2019 5 7 58610 0.0808 0.4280 -0.16593 2019 5 8 58611 0.0822 0.4288 -0.16664 2019 5 9 58612 0.0836 0.4297 -0.16726 2019 5 10 58613 0.0850 0.4305 -0.16786 2019 5 11 58614 0.0864 0.4313 -0.16852 2019 5 12 58615 0.0879 0.4321 -0.16930 2019 5 13 58616 0.0893 0.4328 -0.17024 2019 5 14 58617 0.0908 0.4335 -0.17136 2019 5 15 58618 0.0923 0.4342 -0.17260 2019 5 16 58619 0.0938 0.4349 -0.17387 2019 5 17 58620 0.0953 0.4356 -0.17509 2019 5 18 58621 0.0968 0.4362 -0.17616 2019 5 19 58622 0.0984 0.4368 -0.17703 2019 5 20 58623 0.0999 0.4374 -0.17769 2019 5 21 58624 0.1015 0.4379 -0.17818 2019 5 22 58625 0.1030 0.4385 -0.17854 2019 5 23 58626 0.1046 0.4390 -0.17884 2019 5 24 58627 0.1062 0.4395 -0.17916 2019 5 25 58628 0.1078 0.4399 -0.17953 2019 5 26 58629 0.1094 0.4404 -0.18001 2019 5 27 58630 0.1110 0.4408 -0.18061 2019 5 28 58631 0.1126 0.4411 -0.18133 2019 5 29 58632 0.1142 0.4415 -0.18217 2019 5 30 58633 0.1159 0.4418 -0.18308 2019 5 31 58634 0.1175 0.4421 -0.18400 2019 6 1 58635 0.1191 0.4424 -0.18488 2019 6 2 58636 0.1208 0.4427 -0.18563 2019 6 3 58637 0.1224 0.4429 -0.18622 2019 6 4 58638 0.1241 0.4431 -0.18664 2019 6 5 58639 0.1257 0.4433 -0.18693 2019 6 6 58640 0.1274 0.4434 -0.18716 2019 6 7 58641 0.1290 0.4436 -0.18744 2019 6 8 58642 0.1307 0.4437 -0.18784 2019 6 9 58643 0.1324 0.4437 -0.18841 2019 6 10 58644 0.1340 0.4438 -0.18914 2019 6 11 58645 0.1357 0.4438 -0.18997 2019 6 12 58646 0.1373 0.4438 -0.19083 2019 6 13 58647 0.1390 0.4437 -0.19161 2019 6 14 58648 0.1407 0.4437 -0.19222 2019 6 15 58649 0.1423 0.4436 -0.19261 2019 6 16 58650 0.1440 0.4435 -0.19275 2019 6 17 58651 0.1456 0.4433 -0.19268 2019 6 18 58652 0.1472 0.4432 -0.19242 2019 6 19 58653 0.1489 0.4430 -0.19207 2019 6 20 58654 0.1505 0.4428 -0.19168 2019 6 21 58655 0.1521 0.4425 -0.19133 2019 6 22 58656 0.1538 0.4422 -0.19106 2019 6 23 58657 0.1554 0.4419 -0.19091 2019 6 24 58658 0.1570 0.4416 -0.19088 2019 6 25 58659 0.1586 0.4413 -0.19097 2019 6 26 58660 0.1602 0.4409 -0.19116 2019 6 27 58661 0.1618 0.4405 -0.19139 2019 6 28 58662 0.1634 0.4401 -0.19162 2019 6 29 58663 0.1649 0.4396 -0.19180 2019 6 30 58664 0.1665 0.4392 -0.19188 2019 7 1 58665 0.1680 0.4387 -0.19184 2019 7 2 58666 0.1696 0.4381 -0.19166 2019 7 3 58667 0.1711 0.4376 -0.19141 2019 7 4 58668 0.1726 0.4370 -0.19123 2019 7 5 58669 0.1741 0.4364 -0.19115 2019 7 6 58670 0.1756 0.4358 -0.19122 2019 7 7 58671 0.1771 0.4351 -0.19146 2019 7 8 58672 0.1786 0.4345 -0.19183 2019 7 9 58673 0.1800 0.4338 -0.19219 2019 7 10 58674 0.1814 0.4331 -0.19247 2019 7 11 58675 0.1829 0.4323 -0.19261 2019 7 12 58676 0.1843 0.4316 -0.19254 2019 7 13 58677 0.1857 0.4308 -0.19225 2019 7 14 58678 0.1870 0.4300 -0.19172 2019 7 15 58679 0.1884 0.4292 -0.19107 2019 7 16 58680 0.1897 0.4283 -0.19034 2019 7 17 58681 0.1911 0.4274 -0.18953 2019 7 18 58682 0.1924 0.4265 -0.18863 2019 7 19 58683 0.1937 0.4256 -0.18777 2019 7 20 58684 0.1949 0.4247 -0.18703 2019 7 21 58685 0.1962 0.4237 -0.18641 2019 7 22 58686 0.1974 0.4228 -0.18592 2019 7 23 58687 0.1986 0.4218 -0.18559 2019 7 24 58688 0.1998 0.4208 -0.18534 2019 7 25 58689 0.2010 0.4197 -0.18510 2019 7 26 58690 0.2021 0.4187 -0.18482 2019 7 27 58691 0.2033 0.4176 -0.18444 2019 7 28 58692 0.2044 0.4165 -0.18397 2019 7 29 58693 0.2055 0.4154 -0.18344 2019 7 30 58694 0.2065 0.4143 -0.18285 2019 7 31 58695 0.2076 0.4131 -0.18225 2019 8 1 58696 0.2086 0.4120 -0.18173 2019 8 2 58697 0.2096 0.4108 -0.18139 2019 8 3 58698 0.2106 0.4096 -0.18122 2019 8 4 58699 0.2115 0.4084 -0.18128 2019 8 5 58700 0.2125 0.4072 -0.18149 2019 8 6 58701 0.2134 0.4060 -0.18170 2019 8 7 58702 0.2142 0.4047 -0.18176 2019 8 8 58703 0.2151 0.4034 -0.18168 2019 8 9 58704 0.2159 0.4022 -0.18143 2019 8 10 58705 0.2167 0.4009 -0.18102 2019 8 11 58706 0.2175 0.3996 -0.18046 2019 8 12 58707 0.2182 0.3982 -0.17978 2019 8 13 58708 0.2190 0.3969 -0.17903 2019 8 14 58709 0.2197 0.3956 -0.17829 2019 8 15 58710 0.2203 0.3942 -0.17765 2019 8 16 58711 0.2210 0.3929 -0.17719 2019 8 17 58712 0.2216 0.3915 -0.17691 2019 8 18 58713 0.2222 0.3901 -0.17680 2019 8 19 58714 0.2228 0.3887 -0.17684 2019 8 20 58715 0.2233 0.3873 -0.17694 2019 8 21 58716 0.2238 0.3859 -0.17705 2019 8 22 58717 0.2243 0.3845 -0.17712 2019 8 23 58718 0.2247 0.3830 -0.17711 2019 8 24 58719 0.2252 0.3816 -0.17703 2019 8 25 58720 0.2256 0.3802 -0.17683 2019 8 26 58721 0.2259 0.3787 -0.17647 2019 8 27 58722 0.2263 0.3773 -0.17611 2019 8 28 58723 0.2266 0.3758 -0.17585 2019 8 29 58724 0.2269 0.3743 -0.17574 2019 8 30 58725 0.2271 0.3729 -0.17593 2019 8 31 58726 0.2273 0.3714 -0.17637 2019 9 1 58727 0.2275 0.3699 -0.17693 2019 9 2 58728 0.2277 0.3684 -0.17761 2019 9 3 58729 0.2278 0.3669 -0.17829 2019 9 4 58730 0.2280 0.3655 -0.17883 2019 9 5 58731 0.2280 0.3640 -0.17916 2019 9 6 58732 0.2281 0.3625 -0.17930 2019 9 7 58733 0.2281 0.3610 -0.17930 2019 9 8 58734 0.2281 0.3595 -0.17920 2019 9 9 58735 0.2281 0.3580 -0.17908 2019 9 10 58736 0.2280 0.3565 -0.17902 2019 9 11 58737 0.2279 0.3550 -0.17908 2019 9 12 58738 0.2278 0.3535 -0.17927 2019 9 13 58739 0.2276 0.3520 -0.17964 2019 9 14 58740 0.2275 0.3506 -0.18019 2019 9 15 58741 0.2272 0.3491 -0.18091 2019 9 16 58742 0.2270 0.3476 -0.18175 2019 9 17 58743 0.2267 0.3461 -0.18267 2019 9 18 58744 0.2264 0.3446 -0.18358 2019 9 19 58745 0.2261 0.3432 -0.18441 2019 9 20 58746 0.2258 0.3417 -0.18521 2019 9 21 58747 0.2254 0.3403 -0.18602 2019 9 22 58748 0.2250 0.3388 -0.18679 2019 9 23 58749 0.2245 0.3374 -0.18756 2019 9 24 58750 0.2241 0.3359 -0.18842 2019 9 25 58751 0.2236 0.3345 -0.18943 2019 9 26 58752 0.2230 0.3331 -0.19064 2019 9 27 58753 0.2225 0.3317 -0.19207 2019 9 28 58754 0.2219 0.3303 -0.19365 2019 9 29 58755 0.2213 0.3289 -0.19535 2019 9 30 58756 0.2207 0.3275 -0.19705 2019 10 1 58757 0.2200 0.3261 -0.19855 2019 10 2 58758 0.2193 0.3247 -0.19980 2019 10 3 58759 0.2186 0.3234 -0.20074 2019 10 4 58760 0.2179 0.3220 -0.20144 2019 10 5 58761 0.2171 0.3207 -0.20198 2019 10 6 58762 0.2163 0.3194 -0.20235 2019 10 7 58763 0.2155 0.3181 -0.20269 2019 10 8 58764 0.2147 0.3168 -0.20304 2019 10 9 58765 0.2138 0.3155 -0.20346 2019 10 10 58766 0.2129 0.3142 -0.20397 2019 10 11 58767 0.2120 0.3130 -0.20454 2019 10 12 58768 0.2111 0.3117 -0.20520 2019 10 13 58769 0.2101 0.3105 -0.20599 2019 10 14 58770 0.2091 0.3093 -0.20684 2019 10 15 58771 0.2081 0.3081 -0.20761 2019 10 16 58772 0.2071 0.3069 -0.20834 2019 10 17 58773 0.2060 0.3058 -0.20894 2019 10 18 58774 0.2049 0.3046 -0.20946 2019 10 19 58775 0.2038 0.3035 -0.20992 2019 10 20 58776 0.2027 0.3024 -0.21024 2019 10 21 58777 0.2016 0.3013 -0.21057 2019 10 22 58778 0.2004 0.3002 -0.21101 2019 10 23 58779 0.1992 0.2992 -0.21171 2019 10 24 58780 0.1980 0.2982 -0.21267 2019 10 25 58781 0.1968 0.2971 -0.21397 2019 10 26 58782 0.1955 0.2961 -0.21552 2019 10 27 58783 0.1943 0.2952 -0.21721 2019 10 28 58784 0.1930 0.2942 -0.21883 2019 10 29 58785 0.1917 0.2933 -0.22033 2019 10 30 58786 0.1903 0.2924 -0.22163 2019 10 31 58787 0.1890 0.2915 -0.22271 2019 11 1 58788 0.1876 0.2906 -0.22354 2019 11 2 58789 0.1863 0.2898 -0.22427 2019 11 3 58790 0.1849 0.2889 -0.22496 2019 11 4 58791 0.1835 0.2881 -0.22564 2019 11 5 58792 0.1821 0.2874 -0.22639 2019 11 6 58793 0.1806 0.2866 -0.22727 2019 11 7 58794 0.1792 0.2859 -0.22827 2019 11 8 58795 0.1777 0.2851 -0.22935 2019 11 9 58796 0.1762 0.2845 -0.23055 2019 11 10 58797 0.1747 0.2838 -0.23186 2019 11 11 58798 0.1732 0.2832 -0.23314 2019 11 12 58799 0.1717 0.2825 -0.23436 2019 11 13 58800 0.1702 0.2820 -0.23552 2019 11 14 58801 0.1686 0.2814 -0.23654 2019 11 15 58802 0.1671 0.2808 -0.23745 2019 11 16 58803 0.1655 0.2803 -0.23834 2019 11 17 58804 0.1640 0.2798 -0.23923 2019 11 18 58805 0.1624 0.2794 -0.24021 2019 11 19 58806 0.1608 0.2789 -0.24134 2019 11 20 58807 0.1592 0.2785 -0.24268 2019 11 21 58808 0.1576 0.2781 -0.24423 2019 11 22 58809 0.1560 0.2778 -0.24594 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) 58422 -111.04 0.70 -9.18 0.21 58423 -110.72 0.70 -9.11 0.21 58424 -110.31 0.70 -9.01 0.21 58425 -110.01 0.77 -8.85 0.24 58426 -109.99 0.83 -8.71 0.15 58427 -110.19 0.83 -8.69 0.15 58428 -110.42 0.83 -8.81 0.15 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58422 0.282 0.278 0.214 0.214 58423 0.286 0.278 0.205 0.214 58424 0.291 0.278 0.195 0.214 58425 0.298 0.305 0.185 0.240 58426 0.306 0.332 0.175 0.151 58427 0.314 0.332 0.165 0.151 58428 0.323 0.332 0.154 0.151 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).