********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 25 October 2018 Vol. XXXI No. 043 ______________________________________________________________________ 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 19 58410 0.19914 .00009 0.30981 .00009 0.032662 0.000019 18 10 20 58411 0.19797 .00009 0.30863 .00009 0.032000 0.000017 18 10 21 58412 0.19676 .00009 0.30748 .00009 0.031196 0.000011 18 10 22 58413 0.19562 .00009 0.30625 .00009 0.030219 0.000006 18 10 23 58414 0.19467 .00009 0.30508 .00009 0.029083 0.000005 18 10 24 58415 0.19388 .00009 0.30426 .00009 0.027842 0.000004 18 10 25 58416 0.19320 .00009 0.30368 .00009 0.026568 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 = 0.1248 + 0.0346 cos A - 0.0877 sin A + 0.0279 cos C + 0.0208 sin C y = 0.3535 - 0.0778 cos A - 0.0353 sin A + 0.0208 cos C - 0.0279 sin C UT1-UTC = -0.0034 - 0.00066 (MJD - 58424) - (UT2-UT1) where A = 2*pi*(MJD-58416)/365.25 and C = 2*pi*(MJD-58416)/435. TAI-UTC(MJD 58417) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58416)**0.80 S t = 0.00025 (MJD-58416)**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 26 58417 0.1923 0.3031 0.02533 2018 10 27 58418 0.1915 0.3026 0.02419 2018 10 28 58419 0.1905 0.3019 0.02316 2018 10 29 58420 0.1893 0.3012 0.02226 2018 10 30 58421 0.1881 0.3004 0.02143 2018 10 31 58422 0.1869 0.2995 0.02063 2018 11 1 58423 0.1857 0.2987 0.01979 2018 11 2 58424 0.1845 0.2979 0.01882 2018 11 3 58425 0.1833 0.2970 0.01769 2018 11 4 58426 0.1821 0.2962 0.01638 2018 11 5 58427 0.1809 0.2953 0.01495 2018 11 6 58428 0.1796 0.2945 0.01351 2018 11 7 58429 0.1782 0.2937 0.01216 2018 11 8 58430 0.1769 0.2929 0.01098 2018 11 9 58431 0.1755 0.2922 0.01001 2018 11 10 58432 0.1741 0.2914 0.00923 2018 11 11 58433 0.1727 0.2907 0.00861 2018 11 12 58434 0.1714 0.2900 0.00808 2018 11 13 58435 0.1700 0.2893 0.00757 2018 11 14 58436 0.1686 0.2886 0.00703 2018 11 15 58437 0.1672 0.2879 0.00641 2018 11 16 58438 0.1658 0.2873 0.00569 2018 11 17 58439 0.1644 0.2868 0.00484 2018 11 18 58440 0.1630 0.2862 0.00386 2018 11 19 58441 0.1615 0.2857 0.00276 2018 11 20 58442 0.1600 0.2852 0.00159 2018 11 21 58443 0.1585 0.2847 0.00038 2018 11 22 58444 0.1570 0.2842 -0.00079 2018 11 23 58445 0.1555 0.2837 -0.00187 2018 11 24 58446 0.1540 0.2833 -0.00280 2018 11 25 58447 0.1525 0.2829 -0.00360 2018 11 26 58448 0.1510 0.2825 -0.00430 2018 11 27 58449 0.1494 0.2821 -0.00498 2018 11 28 58450 0.1479 0.2818 -0.00573 2018 11 29 58451 0.1463 0.2815 -0.00659 2018 11 30 58452 0.1448 0.2812 -0.00759 2018 12 1 58453 0.1432 0.2809 -0.00870 2018 12 2 58454 0.1416 0.2807 -0.00988 2018 12 3 58455 0.1400 0.2805 -0.01105 2018 12 4 58456 0.1385 0.2803 -0.01215 2018 12 5 58457 0.1369 0.2801 -0.01312 2018 12 6 58458 0.1353 0.2800 -0.01393 2018 12 7 58459 0.1337 0.2799 -0.01458 2018 12 8 58460 0.1321 0.2798 -0.01508 2018 12 9 58461 0.1305 0.2797 -0.01549 2018 12 10 58462 0.1289 0.2797 -0.01585 2018 12 11 58463 0.1273 0.2797 -0.01620 2018 12 12 58464 0.1257 0.2797 -0.01661 2018 12 13 58465 0.1242 0.2797 -0.01710 2018 12 14 58466 0.1226 0.2798 -0.01771 2018 12 15 58467 0.1210 0.2799 -0.01845 2018 12 16 58468 0.1194 0.2800 -0.01930 2018 12 17 58469 0.1178 0.2802 -0.02025 2018 12 18 58470 0.1162 0.2803 -0.02126 2018 12 19 58471 0.1147 0.2805 -0.02229 2018 12 20 58472 0.1131 0.2807 -0.02328 2018 12 21 58473 0.1115 0.2810 -0.02418 2018 12 22 58474 0.1100 0.2812 -0.02498 2018 12 23 58475 0.1084 0.2815 -0.02569 2018 12 24 58476 0.1068 0.2819 -0.02637 2018 12 25 58477 0.1053 0.2822 -0.02711 2018 12 26 58478 0.1038 0.2826 -0.02797 2018 12 27 58479 0.1022 0.2830 -0.02898 2018 12 28 58480 0.1007 0.2834 -0.03013 2018 12 29 58481 0.0992 0.2838 -0.03135 2018 12 30 58482 0.0977 0.2843 -0.03257 2018 12 31 58483 0.0962 0.2848 -0.03373 2019 1 1 58484 0.0947 0.2853 -0.03474 2019 1 2 58485 0.0933 0.2858 -0.03560 2019 1 3 58486 0.0918 0.2864 -0.03627 2019 1 4 58487 0.0903 0.2870 -0.03680 2019 1 5 58488 0.0889 0.2876 -0.03721 2019 1 6 58489 0.0875 0.2882 -0.03755 2019 1 7 58490 0.0861 0.2889 -0.03786 2019 1 8 58491 0.0847 0.2895 -0.03820 2019 1 9 58492 0.0833 0.2902 -0.03862 2019 1 10 58493 0.0819 0.2910 -0.03914 2019 1 11 58494 0.0806 0.2917 -0.03978 2019 1 12 58495 0.0792 0.2925 -0.04053 2019 1 13 58496 0.0779 0.2932 -0.04138 2019 1 14 58497 0.0766 0.2941 -0.04231 2019 1 15 58498 0.0753 0.2949 -0.04327 2019 1 16 58499 0.0740 0.2957 -0.04421 2019 1 17 58500 0.0727 0.2966 -0.04511 2019 1 18 58501 0.0715 0.2975 -0.04591 2019 1 19 58502 0.0703 0.2984 -0.04663 2019 1 20 58503 0.0691 0.2993 -0.04731 2019 1 21 58504 0.0679 0.3003 -0.04803 2019 1 22 58505 0.0667 0.3013 -0.04887 2019 1 23 58506 0.0656 0.3022 -0.04988 2019 1 24 58507 0.0644 0.3032 -0.05107 2019 1 25 58508 0.0633 0.3043 -0.05238 2019 1 26 58509 0.0622 0.3053 -0.05372 2019 1 27 58510 0.0611 0.3064 -0.05499 2019 1 28 58511 0.0601 0.3074 -0.05614 2019 1 29 58512 0.0591 0.3085 -0.05711 2019 1 30 58513 0.0581 0.3097 -0.05792 2019 1 31 58514 0.0571 0.3108 -0.05857 2019 2 1 58515 0.0561 0.3119 -0.05911 2019 2 2 58516 0.0552 0.3131 -0.05958 2019 2 3 58517 0.0543 0.3143 -0.06004 2019 2 4 58518 0.0534 0.3154 -0.06053 2019 2 5 58519 0.0525 0.3166 -0.06109 2019 2 6 58520 0.0516 0.3179 -0.06176 2019 2 7 58521 0.0508 0.3191 -0.06255 2019 2 8 58522 0.0500 0.3203 -0.06346 2019 2 9 58523 0.0492 0.3216 -0.06446 2019 2 10 58524 0.0485 0.3229 -0.06554 2019 2 11 58525 0.0478 0.3241 -0.06661 2019 2 12 58526 0.0471 0.3254 -0.06767 2019 2 13 58527 0.0464 0.3267 -0.06869 2019 2 14 58528 0.0457 0.3281 -0.06963 2019 2 15 58529 0.0451 0.3294 -0.07049 2019 2 16 58530 0.0445 0.3307 -0.07129 2019 2 17 58531 0.0439 0.3321 -0.07211 2019 2 18 58532 0.0434 0.3334 -0.07302 2019 2 19 58533 0.0429 0.3348 -0.07412 2019 2 20 58534 0.0424 0.3362 -0.07543 2019 2 21 58535 0.0419 0.3375 -0.07692 2019 2 22 58536 0.0415 0.3389 -0.07852 2019 2 23 58537 0.0411 0.3403 -0.08011 2019 2 24 58538 0.0407 0.3417 -0.08159 2019 2 25 58539 0.0403 0.3431 -0.08289 2019 2 26 58540 0.0400 0.3445 -0.08401 2019 2 27 58541 0.0397 0.3460 -0.08494 2019 2 28 58542 0.0394 0.3474 -0.08574 2019 3 1 58543 0.0392 0.3488 -0.08644 2019 3 2 58544 0.0390 0.3503 -0.08712 2019 3 3 58545 0.0388 0.3517 -0.08781 2019 3 4 58546 0.0386 0.3531 -0.08857 2019 3 5 58547 0.0385 0.3546 -0.08942 2019 3 6 58548 0.0384 0.3560 -0.09040 2019 3 7 58549 0.0383 0.3575 -0.09149 2019 3 8 58550 0.0383 0.3589 -0.09269 2019 3 9 58551 0.0382 0.3604 -0.09397 2019 3 10 58552 0.0383 0.3618 -0.09528 2019 3 11 58553 0.0383 0.3633 -0.09658 2019 3 12 58554 0.0384 0.3647 -0.09781 2019 3 13 58555 0.0384 0.3662 -0.09896 2019 3 14 58556 0.0386 0.3676 -0.10002 2019 3 15 58557 0.0387 0.3691 -0.10101 2019 3 16 58558 0.0389 0.3705 -0.10198 2019 3 17 58559 0.0391 0.3720 -0.10301 2019 3 18 58560 0.0393 0.3734 -0.10418 2019 3 19 58561 0.0396 0.3748 -0.10557 2019 3 20 58562 0.0399 0.3763 -0.10718 2019 3 21 58563 0.0402 0.3777 -0.10895 2019 3 22 58564 0.0406 0.3791 -0.11078 2019 3 23 58565 0.0409 0.3805 -0.11255 2019 3 24 58566 0.0413 0.3819 -0.11417 2019 3 25 58567 0.0418 0.3834 -0.11559 2019 3 26 58568 0.0422 0.3848 -0.11679 2019 3 27 58569 0.0427 0.3861 -0.11782 2019 3 28 58570 0.0432 0.3875 -0.11872 2019 3 29 58571 0.0437 0.3889 -0.11955 2019 3 30 58572 0.0443 0.3903 -0.12038 2019 3 31 58573 0.0449 0.3916 -0.12124 2019 4 1 58574 0.0455 0.3930 -0.12219 2019 4 2 58575 0.0462 0.3943 -0.12325 2019 4 3 58576 0.0468 0.3957 -0.12442 2019 4 4 58577 0.0475 0.3970 -0.12570 2019 4 5 58578 0.0482 0.3983 -0.12706 2019 4 6 58579 0.0490 0.3996 -0.12845 2019 4 7 58580 0.0497 0.4009 -0.12984 2019 4 8 58581 0.0505 0.4022 -0.13115 2019 4 9 58582 0.0514 0.4034 -0.13237 2019 4 10 58583 0.0522 0.4047 -0.13347 2019 4 11 58584 0.0531 0.4059 -0.13447 2019 4 12 58585 0.0540 0.4072 -0.13542 2019 4 13 58586 0.0549 0.4084 -0.13639 2019 4 14 58587 0.0558 0.4096 -0.13745 2019 4 15 58588 0.0568 0.4107 -0.13869 2019 4 16 58589 0.0578 0.4119 -0.14014 2019 4 17 58590 0.0588 0.4131 -0.14177 2019 4 18 58591 0.0598 0.4142 -0.14353 2019 4 19 58592 0.0609 0.4153 -0.14529 2019 4 20 58593 0.0619 0.4164 -0.14696 2019 4 21 58594 0.0630 0.4175 -0.14845 2019 4 22 58595 0.0641 0.4186 -0.14972 2019 4 23 58596 0.0653 0.4196 -0.15080 2019 4 24 58597 0.0664 0.4207 -0.15174 2019 4 25 58598 0.0676 0.4217 -0.15258 2019 4 26 58599 0.0688 0.4227 -0.15340 2019 4 27 58600 0.0700 0.4237 -0.15425 2019 4 28 58601 0.0712 0.4246 -0.15518 2019 4 29 58602 0.0725 0.4256 -0.15623 2019 4 30 58603 0.0738 0.4265 -0.15742 2019 5 1 58604 0.0751 0.4274 -0.15873 2019 5 2 58605 0.0764 0.4283 -0.16014 2019 5 3 58606 0.0777 0.4291 -0.16163 2019 5 4 58607 0.0790 0.4300 -0.16311 2019 5 5 58608 0.0804 0.4308 -0.16455 2019 5 6 58609 0.0817 0.4316 -0.16586 2019 5 7 58610 0.0831 0.4324 -0.16702 2019 5 8 58611 0.0845 0.4331 -0.16802 2019 5 9 58612 0.0859 0.4339 -0.16889 2019 5 10 58613 0.0874 0.4346 -0.16969 2019 5 11 58614 0.0888 0.4353 -0.17051 2019 5 12 58615 0.0903 0.4359 -0.17142 2019 5 13 58616 0.0917 0.4366 -0.17248 2019 5 14 58617 0.0932 0.4372 -0.17368 2019 5 15 58618 0.0947 0.4378 -0.17499 2019 5 16 58619 0.0962 0.4384 -0.17632 2019 5 17 58620 0.0977 0.4389 -0.17756 2019 5 18 58621 0.0992 0.4395 -0.17861 2019 5 19 58622 0.1008 0.4400 -0.17940 2019 5 20 58623 0.1023 0.4405 -0.17994 2019 5 21 58624 0.1039 0.4409 -0.18023 2019 5 22 58625 0.1054 0.4413 -0.18034 2019 5 23 58626 0.1070 0.4417 -0.18033 2019 5 24 58627 0.1086 0.4421 -0.18027 2019 5 25 58628 0.1101 0.4425 -0.18022 2019 5 26 58629 0.1117 0.4428 -0.18022 2019 5 27 58630 0.1133 0.4431 -0.18032 2019 5 28 58631 0.1149 0.4434 -0.18054 2019 5 29 58632 0.1165 0.4437 -0.18088 2019 5 30 58633 0.1181 0.4439 -0.18129 2019 5 31 58634 0.1198 0.4441 -0.18170 2019 6 1 58635 0.1214 0.4443 -0.18206 2019 6 2 58636 0.1230 0.4444 -0.18232 2019 6 3 58637 0.1246 0.4446 -0.18247 2019 6 4 58638 0.1263 0.4447 -0.18249 2019 6 5 58639 0.1279 0.4448 -0.18238 2019 6 6 58640 0.1295 0.4448 -0.18221 2019 6 7 58641 0.1311 0.4448 -0.18205 2019 6 8 58642 0.1328 0.4448 -0.18196 2019 6 9 58643 0.1344 0.4448 -0.18205 2019 6 10 58644 0.1360 0.4448 -0.18233 2019 6 11 58645 0.1376 0.4447 -0.18272 2019 6 12 58646 0.1393 0.4446 -0.18311 2019 6 13 58647 0.1409 0.4445 -0.18347 2019 6 14 58648 0.1425 0.4443 -0.18373 2019 6 15 58649 0.1441 0.4441 -0.18384 2019 6 16 58650 0.1457 0.4439 -0.18373 2019 6 17 58651 0.1473 0.4437 -0.18339 2019 6 18 58652 0.1489 0.4435 -0.18286 2019 6 19 58653 0.1505 0.4432 -0.18223 2019 6 20 58654 0.1521 0.4429 -0.18159 2019 6 21 58655 0.1537 0.4425 -0.18104 2019 6 22 58656 0.1553 0.4422 -0.18063 2019 6 23 58657 0.1569 0.4418 -0.18035 2019 6 24 58658 0.1584 0.4414 -0.18021 2019 6 25 58659 0.1600 0.4410 -0.18018 2019 6 26 58660 0.1615 0.4405 -0.18017 2019 6 27 58661 0.1631 0.4401 -0.18018 2019 6 28 58662 0.1646 0.4396 -0.18014 2019 6 29 58663 0.1661 0.4390 -0.18004 2019 6 30 58664 0.1676 0.4385 -0.17981 2019 7 1 58665 0.1691 0.4379 -0.17935 2019 7 2 58666 0.1706 0.4373 -0.17880 2019 7 3 58667 0.1721 0.4367 -0.17819 2019 7 4 58668 0.1735 0.4361 -0.17759 2019 7 5 58669 0.1750 0.4354 -0.17715 2019 7 6 58670 0.1764 0.4347 -0.17687 2019 7 7 58671 0.1778 0.4340 -0.17671 2019 7 8 58672 0.1792 0.4333 -0.17672 2019 7 9 58673 0.1806 0.4325 -0.17684 2019 7 10 58674 0.1820 0.4317 -0.17695 2019 7 11 58675 0.1834 0.4309 -0.17694 2019 7 12 58676 0.1847 0.4301 -0.17678 2019 7 13 58677 0.1860 0.4293 -0.17646 2019 7 14 58678 0.1873 0.4284 -0.17596 2019 7 15 58679 0.1886 0.4275 -0.17534 2019 7 16 58680 0.1899 0.4266 -0.17467 2019 7 17 58681 0.1912 0.4257 -0.17402 2019 7 18 58682 0.1924 0.4248 -0.17342 2019 7 19 58683 0.1936 0.4238 -0.17295 2019 7 20 58684 0.1948 0.4228 -0.17262 2019 7 21 58685 0.1960 0.4218 -0.17247 2019 7 22 58686 0.1972 0.4208 -0.17247 2019 7 23 58687 0.1983 0.4198 -0.17258 2019 7 24 58688 0.1994 0.4187 -0.17275 2019 7 25 58689 0.2005 0.4176 -0.17292 2019 7 26 58690 0.2016 0.4165 -0.17309 2019 7 27 58691 0.2026 0.4154 -0.17329 2019 7 28 58692 0.2037 0.4143 -0.17345 2019 7 29 58693 0.2047 0.4132 -0.17353 2019 7 30 58694 0.2057 0.4120 -0.17360 2019 7 31 58695 0.2066 0.4108 -0.17369 2019 8 1 58696 0.2076 0.4096 -0.17387 2019 8 2 58697 0.2085 0.4084 -0.17419 2019 8 3 58698 0.2094 0.4072 -0.17463 2019 8 4 58699 0.2103 0.4060 -0.17523 2019 8 5 58700 0.2111 0.4048 -0.17593 2019 8 6 58701 0.2119 0.4035 -0.17653 2019 8 7 58702 0.2127 0.4022 -0.17698 2019 8 8 58703 0.2135 0.4009 -0.17719 2019 8 9 58704 0.2143 0.3996 -0.17719 2019 8 10 58705 0.2150 0.3983 -0.17697 2019 8 11 58706 0.2157 0.3970 -0.17654 2019 8 12 58707 0.2163 0.3957 -0.17600 2019 8 13 58708 0.2170 0.3943 -0.17539 2019 8 14 58709 0.2176 0.3930 -0.17478 2019 8 15 58710 0.2182 0.3916 -0.17422 2019 8 16 58711 0.2187 0.3903 -0.17372 2019 8 17 58712 0.2193 0.3889 -0.17331 2019 8 18 58713 0.2198 0.3875 -0.17307 2019 8 19 58714 0.2203 0.3861 -0.17295 2019 8 20 58715 0.2207 0.3847 -0.17282 2019 8 21 58716 0.2211 0.3833 -0.17275 2019 8 22 58717 0.2215 0.3819 -0.17262 2019 8 23 58718 0.2219 0.3805 -0.17247 2019 8 24 58719 0.2222 0.3790 -0.17229 2019 8 25 58720 0.2226 0.3776 -0.17196 2019 8 26 58721 0.2228 0.3762 -0.17157 2019 8 27 58722 0.2231 0.3747 -0.17120 2019 8 28 58723 0.2233 0.3733 -0.17101 2019 8 29 58724 0.2235 0.3718 -0.17102 2019 8 30 58725 0.2237 0.3704 -0.17137 2019 8 31 58726 0.2238 0.3689 -0.17203 2019 9 1 58727 0.2239 0.3675 -0.17292 2019 9 2 58728 0.2240 0.3660 -0.17387 2019 9 3 58729 0.2241 0.3645 -0.17479 2019 9 4 58730 0.2241 0.3631 -0.17559 2019 9 5 58731 0.2241 0.3616 -0.17620 2019 9 6 58732 0.2241 0.3601 -0.17655 2019 9 7 58733 0.2240 0.3587 -0.17676 2019 9 8 58734 0.2239 0.3572 -0.17687 2019 9 9 58735 0.2238 0.3558 -0.17693 2019 9 10 58736 0.2236 0.3543 -0.17701 2019 9 11 58737 0.2235 0.3528 -0.17719 2019 9 12 58738 0.2233 0.3514 -0.17748 2019 9 13 58739 0.2230 0.3499 -0.17788 2019 9 14 58740 0.2228 0.3485 -0.17844 2019 9 15 58741 0.2225 0.3471 -0.17918 2019 9 16 58742 0.2221 0.3456 -0.17997 2019 9 17 58743 0.2218 0.3442 -0.18078 2019 9 18 58744 0.2214 0.3428 -0.18161 2019 9 19 58745 0.2210 0.3413 -0.18239 2019 9 20 58746 0.2206 0.3399 -0.18311 2019 9 21 58747 0.2201 0.3385 -0.18381 2019 9 22 58748 0.2196 0.3371 -0.18448 2019 9 23 58749 0.2191 0.3357 -0.18517 2019 9 24 58750 0.2186 0.3344 -0.18593 2019 9 25 58751 0.2180 0.3330 -0.18684 2019 9 26 58752 0.2174 0.3316 -0.18798 2019 9 27 58753 0.2168 0.3303 -0.18935 2019 9 28 58754 0.2161 0.3289 -0.19097 2019 9 29 58755 0.2154 0.3276 -0.19275 2019 9 30 58756 0.2147 0.3263 -0.19453 2019 10 1 58757 0.2140 0.3249 -0.19614 2019 10 2 58758 0.2132 0.3236 -0.19750 2019 10 3 58759 0.2124 0.3224 -0.19861 2019 10 4 58760 0.2116 0.3211 -0.19953 2019 10 5 58761 0.2108 0.3198 -0.20025 2019 10 6 58762 0.2099 0.3186 -0.20087 2019 10 7 58763 0.2090 0.3173 -0.20148 2019 10 8 58764 0.2081 0.3161 -0.20207 2019 10 9 58765 0.2072 0.3149 -0.20270 2019 10 10 58766 0.2062 0.3137 -0.20341 2019 10 11 58767 0.2052 0.3125 -0.20429 2019 10 12 58768 0.2042 0.3114 -0.20532 2019 10 13 58769 0.2032 0.3102 -0.20642 2019 10 14 58770 0.2021 0.3091 -0.20753 2019 10 15 58771 0.2010 0.3080 -0.20863 2019 10 16 58772 0.1999 0.3069 -0.20975 2019 10 17 58773 0.1988 0.3058 -0.21084 2019 10 18 58774 0.1977 0.3047 -0.21181 2019 10 19 58775 0.1965 0.3037 -0.21269 2019 10 20 58776 0.1953 0.3027 -0.21355 2019 10 21 58777 0.1941 0.3017 -0.21444 2019 10 22 58778 0.1929 0.3007 -0.21542 2019 10 23 58779 0.1917 0.2997 -0.21653 2019 10 24 58780 0.1904 0.2988 -0.21781 2019 10 25 58781 0.1891 0.2979 -0.21930 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) 58394 -114.51 0.29 -10.68 0.26 58395 -114.10 0.29 -10.63 0.26 58396 -113.61 0.29 -10.40 0.26 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58394 0.098 0.114 0.261 0.259 58395 0.112 0.114 0.268 0.259 58396 0.129 0.114 0.275 0.259 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).