********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 8 November 2018 Vol. XXXI No. 045 ______________________________________________________________________ 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 11 2 58424 0.18324 .00009 0.29520 .00009 0.018350 0.000015 18 11 3 58425 0.18221 .00009 0.29363 .00009 0.017158 0.000016 18 11 4 58426 0.18122 .00009 0.29250 .00009 0.015904 0.000017 18 11 5 58427 0.18023 .00009 0.29168 .00009 0.014652 0.000016 18 11 6 58428 0.17930 .00009 0.29103 .00009 0.013422 0.000017 18 11 7 58429 0.17839 .00009 0.29033 .00009 0.012238 0.000019 18 11 8 58430 0.17763 .00009 0.28941 .00009 0.011198 0.000018 IERS Final Values MJD x y UT1-UTC " " s 18 9 2 58363 0.2116 0.3662 0.06294 18 9 3 58364 0.2117 0.3645 0.06270 18 9 4 58365 0.2116 0.3632 0.06255 18 9 5 58366 0.2116 0.3618 0.06246 18 9 6 58367 0.2120 0.3609 0.06235 18 9 7 58368 0.2125 0.3604 0.06214 18 9 8 58369 0.2127 0.3599 0.06175 18 9 9 58370 0.2126 0.3592 0.06112 18 9 10 58371 0.2130 0.3583 0.06028 18 9 11 58372 0.2137 0.3576 0.05933 18 9 12 58373 0.2141 0.3568 0.05836 18 9 13 58374 0.2140 0.3559 0.05750 18 9 14 58375 0.2134 0.3551 0.05681 18 9 15 58376 0.2128 0.3541 0.05635 18 9 16 58377 0.2122 0.3529 0.05607 18 9 17 58378 0.2120 0.3516 0.05595 18 9 18 58379 0.2121 0.3503 0.05590 18 9 19 58380 0.2121 0.3488 0.05586 18 9 20 58381 0.2119 0.3472 0.05577 18 9 21 58382 0.2118 0.3457 0.05561 18 9 22 58383 0.2118 0.3443 0.05532 18 9 23 58384 0.2116 0.3426 0.05486 18 9 24 58385 0.2119 0.3409 0.05425 18 9 25 58386 0.2120 0.3393 0.05352 18 9 26 58387 0.2113 0.3377 0.05269 18 9 27 58388 0.2105 0.3360 0.05182 18 9 28 58389 0.2104 0.3348 0.05093 18 9 29 58390 0.2105 0.3337 0.05000 18 9 30 58391 0.2105 0.3323 0.04915 18 10 1 58392 0.2105 0.3308 0.04839 _______________________________________________________________________ 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 = 0.1255 + 0.0097 cos A - 0.0907 sin A + 0.0361 cos C + 0.0142 sin C y = 0.3514 - 0.0813 cos A - 0.0117 sin A + 0.0142 cos C - 0.0361 sin C UT1-UTC = -0.0123 - 0.00066 (MJD - 58438) - (UT2-UT1) where A = 2*pi*(MJD-58430)/365.25 and C = 2*pi*(MJD-58430)/435. TAI-UTC(MJD 58431) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58430)**0.80 S t = 0.00025 (MJD-58430)**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 9 58431 0.1767 0.2886 0.01024 2018 11 10 58432 0.1759 0.2877 0.00939 2018 11 11 58433 0.1749 0.2870 0.00864 2018 11 12 58434 0.1739 0.2864 0.00796 2018 11 13 58435 0.1727 0.2858 0.00729 2018 11 14 58436 0.1715 0.2852 0.00658 2018 11 15 58437 0.1702 0.2846 0.00579 2018 11 16 58438 0.1689 0.2839 0.00490 2018 11 17 58439 0.1676 0.2833 0.00390 2018 11 18 58440 0.1662 0.2827 0.00279 2018 11 19 58441 0.1647 0.2822 0.00160 2018 11 20 58442 0.1632 0.2816 0.00036 2018 11 21 58443 0.1616 0.2811 -0.00084 2018 11 22 58444 0.1600 0.2805 -0.00196 2018 11 23 58445 0.1584 0.2800 -0.00298 2018 11 24 58446 0.1569 0.2795 -0.00388 2018 11 25 58447 0.1553 0.2790 -0.00468 2018 11 26 58448 0.1538 0.2786 -0.00541 2018 11 27 58449 0.1523 0.2781 -0.00614 2018 11 28 58450 0.1507 0.2777 -0.00694 2018 11 29 58451 0.1491 0.2773 -0.00785 2018 11 30 58452 0.1475 0.2770 -0.00887 2018 12 1 58453 0.1460 0.2766 -0.01000 2018 12 2 58454 0.1444 0.2763 -0.01118 2018 12 3 58455 0.1428 0.2761 -0.01237 2018 12 4 58456 0.1412 0.2758 -0.01348 2018 12 5 58457 0.1396 0.2756 -0.01447 2018 12 6 58458 0.1380 0.2754 -0.01530 2018 12 7 58459 0.1364 0.2753 -0.01598 2018 12 8 58460 0.1348 0.2751 -0.01651 2018 12 9 58461 0.1332 0.2750 -0.01694 2018 12 10 58462 0.1315 0.2750 -0.01731 2018 12 11 58463 0.1299 0.2749 -0.01767 2018 12 12 58464 0.1283 0.2749 -0.01807 2018 12 13 58465 0.1266 0.2749 -0.01855 2018 12 14 58466 0.1250 0.2749 -0.01913 2018 12 15 58467 0.1234 0.2750 -0.01981 2018 12 16 58468 0.1218 0.2751 -0.02060 2018 12 17 58469 0.1201 0.2752 -0.02147 2018 12 18 58470 0.1185 0.2753 -0.02239 2018 12 19 58471 0.1169 0.2755 -0.02332 2018 12 20 58472 0.1153 0.2757 -0.02420 2018 12 21 58473 0.1137 0.2759 -0.02498 2018 12 22 58474 0.1121 0.2761 -0.02564 2018 12 23 58475 0.1105 0.2764 -0.02619 2018 12 24 58476 0.1089 0.2767 -0.02671 2018 12 25 58477 0.1073 0.2770 -0.02727 2018 12 26 58478 0.1057 0.2773 -0.02795 2018 12 27 58479 0.1041 0.2777 -0.02878 2018 12 28 58480 0.1026 0.2781 -0.02974 2018 12 29 58481 0.1010 0.2785 -0.03079 2018 12 30 58482 0.0994 0.2790 -0.03184 2018 12 31 58483 0.0979 0.2794 -0.03283 2019 1 1 58484 0.0964 0.2799 -0.03370 2019 1 2 58485 0.0949 0.2804 -0.03441 2019 1 3 58486 0.0934 0.2810 -0.03498 2019 1 4 58487 0.0919 0.2816 -0.03541 2019 1 5 58488 0.0904 0.2821 -0.03574 2019 1 6 58489 0.0889 0.2828 -0.03601 2019 1 7 58490 0.0874 0.2834 -0.03627 2019 1 8 58491 0.0860 0.2841 -0.03657 2019 1 9 58492 0.0846 0.2848 -0.03696 2019 1 10 58493 0.0831 0.2855 -0.03746 2019 1 11 58494 0.0817 0.2862 -0.03808 2019 1 12 58495 0.0803 0.2870 -0.03884 2019 1 13 58496 0.0790 0.2877 -0.03969 2019 1 14 58497 0.0776 0.2885 -0.04063 2019 1 15 58498 0.0763 0.2894 -0.04159 2019 1 16 58499 0.0749 0.2902 -0.04255 2019 1 17 58500 0.0736 0.2911 -0.04345 2019 1 18 58501 0.0723 0.2920 -0.04426 2019 1 19 58502 0.0711 0.2929 -0.04499 2019 1 20 58503 0.0698 0.2938 -0.04567 2019 1 21 58504 0.0686 0.2948 -0.04638 2019 1 22 58505 0.0673 0.2957 -0.04721 2019 1 23 58506 0.0662 0.2967 -0.04821 2019 1 24 58507 0.0650 0.2977 -0.04937 2019 1 25 58508 0.0638 0.2988 -0.05065 2019 1 26 58509 0.0627 0.2998 -0.05196 2019 1 27 58510 0.0616 0.3009 -0.05320 2019 1 28 58511 0.0605 0.3020 -0.05430 2019 1 29 58512 0.0594 0.3031 -0.05523 2019 1 30 58513 0.0583 0.3042 -0.05599 2019 1 31 58514 0.0573 0.3053 -0.05661 2019 2 1 58515 0.0563 0.3065 -0.05710 2019 2 2 58516 0.0553 0.3077 -0.05754 2019 2 3 58517 0.0543 0.3088 -0.05796 2019 2 4 58518 0.0534 0.3100 -0.05842 2019 2 5 58519 0.0525 0.3113 -0.05896 2019 2 6 58520 0.0516 0.3125 -0.05961 2019 2 7 58521 0.0507 0.3137 -0.06038 2019 2 8 58522 0.0499 0.3150 -0.06129 2019 2 9 58523 0.0491 0.3163 -0.06229 2019 2 10 58524 0.0483 0.3176 -0.06338 2019 2 11 58525 0.0475 0.3189 -0.06450 2019 2 12 58526 0.0468 0.3202 -0.06561 2019 2 13 58527 0.0461 0.3215 -0.06668 2019 2 14 58528 0.0454 0.3229 -0.06767 2019 2 15 58529 0.0447 0.3242 -0.06857 2019 2 16 58530 0.0441 0.3256 -0.06943 2019 2 17 58531 0.0435 0.3269 -0.07029 2019 2 18 58532 0.0429 0.3283 -0.07125 2019 2 19 58533 0.0423 0.3297 -0.07238 2019 2 20 58534 0.0418 0.3311 -0.07374 2019 2 21 58535 0.0413 0.3325 -0.07528 2019 2 22 58536 0.0408 0.3340 -0.07692 2019 2 23 58537 0.0403 0.3354 -0.07856 2019 2 24 58538 0.0399 0.3368 -0.08008 2019 2 25 58539 0.0395 0.3383 -0.08140 2019 2 26 58540 0.0392 0.3397 -0.08253 2019 2 27 58541 0.0388 0.3412 -0.08348 2019 2 28 58542 0.0385 0.3426 -0.08429 2019 3 1 58543 0.0382 0.3441 -0.08501 2019 3 2 58544 0.0380 0.3456 -0.08570 2019 3 3 58545 0.0378 0.3471 -0.08641 2019 3 4 58546 0.0376 0.3485 -0.08719 2019 3 5 58547 0.0374 0.3500 -0.08806 2019 3 6 58548 0.0373 0.3515 -0.08906 2019 3 7 58549 0.0371 0.3530 -0.09018 2019 3 8 58550 0.0371 0.3545 -0.09140 2019 3 9 58551 0.0370 0.3560 -0.09271 2019 3 10 58552 0.0370 0.3575 -0.09405 2019 3 11 58553 0.0370 0.3590 -0.09537 2019 3 12 58554 0.0370 0.3605 -0.09663 2019 3 13 58555 0.0371 0.3620 -0.09781 2019 3 14 58556 0.0372 0.3635 -0.09890 2019 3 15 58557 0.0373 0.3650 -0.09992 2019 3 16 58558 0.0375 0.3664 -0.10091 2019 3 17 58559 0.0376 0.3679 -0.10196 2019 3 18 58560 0.0378 0.3694 -0.10316 2019 3 19 58561 0.0381 0.3709 -0.10457 2019 3 20 58562 0.0383 0.3724 -0.10620 2019 3 21 58563 0.0386 0.3739 -0.10799 2019 3 22 58564 0.0390 0.3753 -0.10984 2019 3 23 58565 0.0393 0.3768 -0.11164 2019 3 24 58566 0.0397 0.3783 -0.11328 2019 3 25 58567 0.0401 0.3797 -0.11472 2019 3 26 58568 0.0405 0.3812 -0.11594 2019 3 27 58569 0.0410 0.3826 -0.11699 2019 3 28 58570 0.0415 0.3841 -0.11791 2019 3 29 58571 0.0420 0.3855 -0.11877 2019 3 30 58572 0.0425 0.3869 -0.11961 2019 3 31 58573 0.0431 0.3883 -0.12050 2019 4 1 58574 0.0437 0.3898 -0.12147 2019 4 2 58575 0.0443 0.3911 -0.12254 2019 4 3 58576 0.0450 0.3925 -0.12373 2019 4 4 58577 0.0457 0.3939 -0.12502 2019 4 5 58578 0.0464 0.3953 -0.12640 2019 4 6 58579 0.0471 0.3966 -0.12780 2019 4 7 58580 0.0479 0.3980 -0.12920 2019 4 8 58581 0.0486 0.3993 -0.13052 2019 4 9 58582 0.0494 0.4006 -0.13174 2019 4 10 58583 0.0503 0.4020 -0.13284 2019 4 11 58584 0.0511 0.4032 -0.13384 2019 4 12 58585 0.0520 0.4045 -0.13478 2019 4 13 58586 0.0529 0.4058 -0.13574 2019 4 14 58587 0.0539 0.4071 -0.13679 2019 4 15 58588 0.0548 0.4083 -0.13801 2019 4 16 58589 0.0558 0.4095 -0.13943 2019 4 17 58590 0.0568 0.4107 -0.14103 2019 4 18 58591 0.0578 0.4119 -0.14275 2019 4 19 58592 0.0589 0.4131 -0.14447 2019 4 20 58593 0.0599 0.4143 -0.14607 2019 4 21 58594 0.0610 0.4154 -0.14749 2019 4 22 58595 0.0621 0.4166 -0.14869 2019 4 23 58596 0.0633 0.4177 -0.14967 2019 4 24 58597 0.0644 0.4188 -0.15050 2019 4 25 58598 0.0656 0.4198 -0.15121 2019 4 26 58599 0.0668 0.4209 -0.15188 2019 4 27 58600 0.0680 0.4219 -0.15256 2019 4 28 58601 0.0692 0.4230 -0.15331 2019 4 29 58602 0.0705 0.4240 -0.15414 2019 4 30 58603 0.0718 0.4249 -0.15508 2019 5 1 58604 0.0731 0.4259 -0.15612 2019 5 2 58605 0.0744 0.4268 -0.15726 2019 5 3 58606 0.0757 0.4278 -0.15844 2019 5 4 58607 0.0770 0.4287 -0.15962 2019 5 5 58608 0.0784 0.4295 -0.16076 2019 5 6 58609 0.0798 0.4304 -0.16180 2019 5 7 58610 0.0812 0.4312 -0.16272 2019 5 8 58611 0.0826 0.4321 -0.16353 2019 5 9 58612 0.0840 0.4328 -0.16427 2019 5 10 58613 0.0854 0.4336 -0.16502 2019 5 11 58614 0.0869 0.4344 -0.16585 2019 5 12 58615 0.0884 0.4351 -0.16683 2019 5 13 58616 0.0898 0.4358 -0.16802 2019 5 14 58617 0.0913 0.4365 -0.16940 2019 5 15 58618 0.0928 0.4371 -0.17094 2019 5 16 58619 0.0943 0.4378 -0.17253 2019 5 17 58620 0.0959 0.4384 -0.17406 2019 5 18 58621 0.0974 0.4389 -0.17544 2019 5 19 58622 0.0990 0.4395 -0.17659 2019 5 20 58623 0.1005 0.4400 -0.17751 2019 5 21 58624 0.1021 0.4405 -0.17822 2019 5 22 58625 0.1037 0.4410 -0.17878 2019 5 23 58626 0.1053 0.4415 -0.17924 2019 5 24 58627 0.1069 0.4419 -0.17966 2019 5 25 58628 0.1085 0.4423 -0.18008 2019 5 26 58629 0.1101 0.4427 -0.18054 2019 5 27 58630 0.1117 0.4431 -0.18104 2019 5 28 58631 0.1133 0.4434 -0.18160 2019 5 29 58632 0.1149 0.4437 -0.18221 2019 5 30 58633 0.1166 0.4440 -0.18287 2019 5 31 58634 0.1182 0.4443 -0.18353 2019 6 1 58635 0.1199 0.4445 -0.18418 2019 6 2 58636 0.1215 0.4447 -0.18475 2019 6 3 58637 0.1231 0.4449 -0.18521 2019 6 4 58638 0.1248 0.4450 -0.18554 2019 6 5 58639 0.1265 0.4452 -0.18576 2019 6 6 58640 0.1281 0.4453 -0.18594 2019 6 7 58641 0.1298 0.4453 -0.18615 2019 6 8 58642 0.1314 0.4454 -0.18645 2019 6 9 58643 0.1331 0.4454 -0.18690 2019 6 10 58644 0.1347 0.4454 -0.18749 2019 6 11 58645 0.1364 0.4454 -0.18816 2019 6 12 58646 0.1381 0.4453 -0.18883 2019 6 13 58647 0.1397 0.4452 -0.18941 2019 6 14 58648 0.1414 0.4451 -0.18983 2019 6 15 58649 0.1430 0.4450 -0.19003 2019 6 16 58650 0.1447 0.4448 -0.18998 2019 6 17 58651 0.1463 0.4446 -0.18974 2019 6 18 58652 0.1479 0.4444 -0.18935 2019 6 19 58653 0.1496 0.4442 -0.18882 2019 6 20 58654 0.1512 0.4439 -0.18818 2019 6 21 58655 0.1528 0.4436 -0.18751 2019 6 22 58656 0.1544 0.4433 -0.18692 2019 6 23 58657 0.1560 0.4430 -0.18644 2019 6 24 58658 0.1576 0.4426 -0.18609 2019 6 25 58659 0.1592 0.4422 -0.18590 2019 6 26 58660 0.1608 0.4418 -0.18580 2019 6 27 58661 0.1624 0.4414 -0.18573 2019 6 28 58662 0.1640 0.4409 -0.18564 2019 6 29 58663 0.1655 0.4404 -0.18546 2019 6 30 58664 0.1671 0.4399 -0.18517 2019 7 1 58665 0.1686 0.4393 -0.18480 2019 7 2 58666 0.1701 0.4388 -0.18432 2019 7 3 58667 0.1716 0.4382 -0.18376 2019 7 4 58668 0.1731 0.4376 -0.18320 2019 7 5 58669 0.1746 0.4369 -0.18274 2019 7 6 58670 0.1761 0.4363 -0.18241 2019 7 7 58671 0.1776 0.4356 -0.18227 2019 7 8 58672 0.1790 0.4349 -0.18231 2019 7 9 58673 0.1805 0.4341 -0.18241 2019 7 10 58674 0.1819 0.4334 -0.18244 2019 7 11 58675 0.1833 0.4326 -0.18236 2019 7 12 58676 0.1847 0.4318 -0.18214 2019 7 13 58677 0.1860 0.4310 -0.18176 2019 7 14 58678 0.1874 0.4301 -0.18119 2019 7 15 58679 0.1887 0.4293 -0.18044 2019 7 16 58680 0.1901 0.4284 -0.17956 2019 7 17 58681 0.1914 0.4275 -0.17864 2019 7 18 58682 0.1926 0.4266 -0.17776 2019 7 19 58683 0.1939 0.4256 -0.17703 2019 7 20 58684 0.1952 0.4246 -0.17645 2019 7 21 58685 0.1964 0.4237 -0.17604 2019 7 22 58686 0.1976 0.4227 -0.17577 2019 7 23 58687 0.1988 0.4216 -0.17559 2019 7 24 58688 0.1999 0.4206 -0.17544 2019 7 25 58689 0.2011 0.4195 -0.17527 2019 7 26 58690 0.2022 0.4184 -0.17504 2019 7 27 58691 0.2033 0.4173 -0.17475 2019 7 28 58692 0.2044 0.4162 -0.17433 2019 7 29 58693 0.2055 0.4151 -0.17371 2019 7 30 58694 0.2065 0.4139 -0.17305 2019 7 31 58695 0.2075 0.4128 -0.17240 2019 8 1 58696 0.2085 0.4116 -0.17184 2019 8 2 58697 0.2095 0.4104 -0.17152 2019 8 3 58698 0.2104 0.4092 -0.17141 2019 8 4 58699 0.2113 0.4079 -0.17144 2019 8 5 58700 0.2122 0.4067 -0.17161 2019 8 6 58701 0.2131 0.4054 -0.17185 2019 8 7 58702 0.2139 0.4041 -0.17200 2019 8 8 58703 0.2148 0.4029 -0.17198 2019 8 9 58704 0.2156 0.4016 -0.17179 2019 8 10 58705 0.2163 0.4002 -0.17144 2019 8 11 58706 0.2171 0.3989 -0.17096 2019 8 12 58707 0.2178 0.3976 -0.17040 2019 8 13 58708 0.2185 0.3962 -0.16986 2019 8 14 58709 0.2192 0.3949 -0.16940 2019 8 15 58710 0.2198 0.3935 -0.16903 2019 8 16 58711 0.2204 0.3921 -0.16883 2019 8 17 58712 0.2210 0.3907 -0.16880 2019 8 18 58713 0.2215 0.3893 -0.16896 2019 8 19 58714 0.2221 0.3879 -0.16926 2019 8 20 58715 0.2226 0.3865 -0.16966 2019 8 21 58716 0.2230 0.3851 -0.17009 2019 8 22 58717 0.2235 0.3836 -0.17050 2019 8 23 58718 0.2239 0.3822 -0.17089 2019 8 24 58719 0.2243 0.3808 -0.17130 2019 8 25 58720 0.2247 0.3793 -0.17168 2019 8 26 58721 0.2250 0.3779 -0.17201 2019 8 27 58722 0.2253 0.3764 -0.17239 2019 8 28 58723 0.2256 0.3749 -0.17286 2019 8 29 58724 0.2258 0.3734 -0.17350 2019 8 30 58725 0.2260 0.3720 -0.17432 2019 8 31 58726 0.2262 0.3705 -0.17531 2019 9 1 58727 0.2264 0.3690 -0.17644 2019 9 2 58728 0.2265 0.3675 -0.17764 2019 9 3 58729 0.2266 0.3660 -0.17869 2019 9 4 58730 0.2267 0.3645 -0.17953 2019 9 5 58731 0.2267 0.3630 -0.18009 2019 9 6 58732 0.2267 0.3616 -0.18042 2019 9 7 58733 0.2267 0.3601 -0.18056 2019 9 8 58734 0.2267 0.3586 -0.18051 2019 9 9 58735 0.2266 0.3571 -0.18040 2019 9 10 58736 0.2265 0.3556 -0.18027 2019 9 11 58737 0.2263 0.3541 -0.18019 2019 9 12 58738 0.2262 0.3526 -0.18018 2019 9 13 58739 0.2260 0.3511 -0.18025 2019 9 14 58740 0.2258 0.3497 -0.18041 2019 9 15 58741 0.2255 0.3482 -0.18074 2019 9 16 58742 0.2252 0.3467 -0.18117 2019 9 17 58743 0.2249 0.3452 -0.18155 2019 9 18 58744 0.2246 0.3438 -0.18195 2019 9 19 58745 0.2242 0.3423 -0.18226 2019 9 20 58746 0.2238 0.3409 -0.18252 2019 9 21 58747 0.2234 0.3394 -0.18273 2019 9 22 58748 0.2230 0.3380 -0.18280 2019 9 23 58749 0.2225 0.3365 -0.18284 2019 9 24 58750 0.2220 0.3351 -0.18296 2019 9 25 58751 0.2214 0.3337 -0.18330 2019 9 26 58752 0.2209 0.3323 -0.18390 2019 9 27 58753 0.2203 0.3309 -0.18485 2019 9 28 58754 0.2197 0.3295 -0.18610 2019 9 29 58755 0.2190 0.3281 -0.18755 2019 9 30 58756 0.2183 0.3267 -0.18900 2019 10 1 58757 0.2176 0.3254 -0.19037 2019 10 2 58758 0.2169 0.3240 -0.19158 2019 10 3 58759 0.2162 0.3227 -0.19257 2019 10 4 58760 0.2154 0.3214 -0.19330 2019 10 5 58761 0.2146 0.3201 -0.19390 2019 10 6 58762 0.2137 0.3188 -0.19444 2019 10 7 58763 0.2129 0.3175 -0.19494 2019 10 8 58764 0.2120 0.3162 -0.19550 2019 10 9 58765 0.2111 0.3149 -0.19618 2019 10 10 58766 0.2102 0.3137 -0.19699 2019 10 11 58767 0.2092 0.3125 -0.19789 2019 10 12 58768 0.2082 0.3113 -0.19895 2019 10 13 58769 0.2072 0.3101 -0.20015 2019 10 14 58770 0.2062 0.3089 -0.20136 2019 10 15 58771 0.2052 0.3077 -0.20256 2019 10 16 58772 0.2041 0.3066 -0.20372 2019 10 17 58773 0.2030 0.3054 -0.20480 2019 10 18 58774 0.2019 0.3043 -0.20577 2019 10 19 58775 0.2007 0.3032 -0.20672 2019 10 20 58776 0.1996 0.3021 -0.20764 2019 10 21 58777 0.1984 0.3011 -0.20862 2019 10 22 58778 0.1972 0.3000 -0.20970 2019 10 23 58779 0.1960 0.2990 -0.21097 2019 10 24 58780 0.1947 0.2980 -0.21248 2019 10 25 58781 0.1935 0.2970 -0.21419 2019 10 26 58782 0.1922 0.2961 -0.21611 2019 10 27 58783 0.1909 0.2951 -0.21813 2019 10 28 58784 0.1896 0.2942 -0.22008 2019 10 29 58785 0.1882 0.2933 -0.22181 2019 10 30 58786 0.1869 0.2924 -0.22327 2019 10 31 58787 0.1855 0.2916 -0.22448 2019 11 1 58788 0.1841 0.2907 -0.22550 2019 11 2 58789 0.1827 0.2899 -0.22634 2019 11 3 58790 0.1813 0.2891 -0.22712 2019 11 4 58791 0.1798 0.2884 -0.22790 2019 11 5 58792 0.1784 0.2876 -0.22869 2019 11 6 58793 0.1769 0.2869 -0.22952 2019 11 7 58794 0.1754 0.2862 -0.23042 2019 11 8 58795 0.1739 0.2855 -0.23147 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) 58404 -113.12 0.83 -9.98 0.30 58405 -112.86 0.69 -10.17 0.30 58406 -112.51 0.69 -10.33 0.30 58407 -112.18 0.35 -10.34 0.28 58408 -111.90 0.43 -10.20 0.29 58409 -111.72 0.43 -10.05 0.29 58410 -111.61 0.43 -9.99 0.29 58411 -111.51 0.56 -9.99 0.30 58412 -111.36 0.81 -9.89 0.30 58413 -111.18 0.81 -9.62 0.30 58414 -111.04 0.94 -9.26 0.29 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 58363 -115.4 -11.5 58364 -115.7 -11.6 58365 -115.8 -11.7 58366 -115.8 -11.8 58367 -115.6 -11.8 58368 -115.3 -11.7 58369 -115.1 -11.3 58370 -115.1 -11.1 58371 -115.0 -11.0 58372 -115.1 -11.2 58373 -115.3 -11.2 58374 -115.6 -11.0 58375 -115.7 -10.8 58376 -115.6 -10.9 58377 -115.3 -11.2 58378 -115.0 -11.5 58379 -114.9 -11.6 58380 -114.8 -11.5 58381 -114.7 -11.3 58382 -114.6 -11.2 58383 -114.6 -11.2 58384 -114.6 -11.0 58385 -114.6 -10.8 58386 -114.6 -10.5 58387 -114.8 -10.4 58388 -114.8 -10.5 58389 -114.7 -10.6 58390 -114.6 -10.7 58391 -114.5 -10.7 58392 -114.6 -10.7 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58404 0.210 0.331 0.310 0.305 58405 0.212 0.276 0.304 0.295 58406 0.212 0.276 0.299 0.295 58407 0.212 0.137 0.295 0.281 58408 0.215 0.171 0.292 0.287 58409 0.224 0.171 0.291 0.287 58410 0.237 0.171 0.290 0.287 58411 0.255 0.221 0.290 0.300 58412 0.278 0.321 0.291 0.296 58413 0.304 0.321 0.291 0.296 58414 0.331 0.373 0.292 0.294 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 58363 0.00 0.00 58364 0.00 0.00 58365 0.00 0.00 58366 0.00 0.00 58367 0.00 0.00 58368 0.00 0.00 58369 0.00 0.00 58370 0.00 0.00 58371 0.00 0.00 58372 0.00 0.00 58373 0.00 0.00 58374 0.00 0.00 58375 0.00 0.10 58376 0.01 0.11 58377 0.02 0.13 58378 0.03 0.15 58379 0.04 0.16 58380 0.06 0.18 58381 0.07 0.20 58382 0.07 0.23 58383 0.04 0.23 58384 -0.01 0.24 58385 -0.06 0.25 58386 -0.11 0.26 58387 -0.17 0.28 58388 -0.14 0.27 58389 -0.09 0.26 58390 -0.04 0.25 58391 0.01 0.24 58392 0.05 0.23 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).