********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 3 January 2019 Vol. XXXII No. 001 ______________________________________________________________________ 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 = -0.1 seconds beginning 17 Jan 2019 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 12 28 58480 0.09538 .00009 0.26888 .00009 -0.032018 0.000010 18 12 29 58481 0.09324 .00009 0.26962 .00009 -0.033089 0.000009 18 12 30 58482 0.09087 .00009 0.27020 .00009 -0.034165 0.000010 18 12 31 58483 0.08852 .00009 0.27071 .00009 -0.035193 0.000012 19 1 1 58484 0.08639 .00009 0.27124 .00009 -0.036151 0.000012 19 1 2 58485 0.08428 .00009 0.27189 .00009 -0.037026 0.000012 19 1 3 58486 0.08187 .00009 0.27253 .00009 -0.037760 0.000011 IERS Final Values MJD x y UT1-UTC " " s 18 11 2 58424 0.1831 0.2953 0.01831 18 11 3 58425 0.1822 0.2935 0.01712 18 11 4 58426 0.1812 0.2925 0.01585 18 11 5 58427 0.1801 0.2917 0.01458 18 11 6 58428 0.1793 0.2911 0.01335 18 11 7 58429 0.1782 0.2905 0.01221 18 11 8 58430 0.1776 0.2895 0.01117 18 11 9 58431 0.1775 0.2883 0.01025 18 11 10 58432 0.1769 0.2870 0.00944 18 11 11 58433 0.1759 0.2859 0.00873 18 11 12 58434 0.1747 0.2848 0.00807 18 11 13 58435 0.1736 0.2838 0.00740 18 11 14 58436 0.1724 0.2828 0.00669 18 11 15 58437 0.1712 0.2817 0.00593 18 11 16 58438 0.1695 0.2807 0.00508 18 11 17 58439 0.1680 0.2797 0.00411 18 11 18 58440 0.1670 0.2792 0.00305 18 11 19 58441 0.1660 0.2787 0.00183 18 11 20 58442 0.1649 0.2784 0.00046 18 11 21 58443 0.1638 0.2781 -0.00090 18 11 22 58444 0.1629 0.2777 -0.00231 18 11 23 58445 0.1619 0.2773 -0.00362 18 11 24 58446 0.1605 0.2773 -0.00482 18 11 25 58447 0.1592 0.2771 -0.00593 18 11 26 58448 0.1583 0.2769 -0.00690 18 11 27 58449 0.1567 0.2769 -0.00784 18 11 28 58450 0.1546 0.2767 -0.00884 18 11 29 58451 0.1524 0.2761 -0.00996 18 11 30 58452 0.1506 0.2752 -0.01120 18 12 1 58453 0.1485 0.2743 -0.01251 _______________________________________________________________________ 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 = 0.1136 - 0.0679 cos A - 0.0544 sin A + 0.0382 cos C - 0.0215 sin C y = 0.3514 - 0.0502 cos A + 0.0601 sin A - 0.0215 cos C - 0.0382 sin C UT1-UTC = -0.0515 - 0.00066 (MJD - 58494) - (UT2-UT1) where A = 2*pi*(MJD-58486)/365.25 and C = 2*pi*(MJD-58486)/435. TAI-UTC(MJD 58487) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58486)**0.80 S t = 0.00025 (MJD-58486)**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) 2019 1 4 58487 0.0796 0.2731 -0.03836 2019 1 5 58488 0.0774 0.2736 -0.03887 2019 1 6 58489 0.0754 0.2741 -0.03932 2019 1 7 58490 0.0735 0.2747 -0.03973 2019 1 8 58491 0.0717 0.2753 -0.04015 2019 1 9 58492 0.0701 0.2759 -0.04065 2019 1 10 58493 0.0685 0.2766 -0.04126 2019 1 11 58494 0.0669 0.2775 -0.04199 2019 1 12 58495 0.0653 0.2783 -0.04283 2019 1 13 58496 0.0637 0.2792 -0.04376 2019 1 14 58497 0.0623 0.2802 -0.04477 2019 1 15 58498 0.0609 0.2811 -0.04581 2019 1 16 58499 0.0595 0.2822 -0.04683 2019 1 17 58500 0.0582 0.2832 -0.04776 2019 1 18 58501 0.0569 0.2844 -0.04856 2019 1 19 58502 0.0557 0.2855 -0.04923 2019 1 20 58503 0.0544 0.2867 -0.04982 2019 1 21 58504 0.0531 0.2879 -0.05041 2019 1 22 58505 0.0518 0.2892 -0.05110 2019 1 23 58506 0.0506 0.2904 -0.05197 2019 1 24 58507 0.0494 0.2917 -0.05302 2019 1 25 58508 0.0482 0.2930 -0.05420 2019 1 26 58509 0.0470 0.2943 -0.05541 2019 1 27 58510 0.0458 0.2957 -0.05657 2019 1 28 58511 0.0447 0.2970 -0.05760 2019 1 29 58512 0.0436 0.2983 -0.05845 2019 1 30 58513 0.0425 0.2997 -0.05912 2019 1 31 58514 0.0415 0.3010 -0.05964 2019 2 1 58515 0.0405 0.3024 -0.06005 2019 2 2 58516 0.0395 0.3038 -0.06041 2019 2 3 58517 0.0386 0.3052 -0.06077 2019 2 4 58518 0.0377 0.3066 -0.06118 2019 2 5 58519 0.0368 0.3080 -0.06168 2019 2 6 58520 0.0360 0.3095 -0.06229 2019 2 7 58521 0.0352 0.3109 -0.06303 2019 2 8 58522 0.0345 0.3124 -0.06390 2019 2 9 58523 0.0337 0.3139 -0.06487 2019 2 10 58524 0.0330 0.3154 -0.06592 2019 2 11 58525 0.0324 0.3169 -0.06699 2019 2 12 58526 0.0317 0.3184 -0.06805 2019 2 13 58527 0.0311 0.3200 -0.06905 2019 2 14 58528 0.0305 0.3215 -0.06996 2019 2 15 58529 0.0300 0.3231 -0.07079 2019 2 16 58530 0.0294 0.3246 -0.07155 2019 2 17 58531 0.0290 0.3262 -0.07234 2019 2 18 58532 0.0285 0.3278 -0.07322 2019 2 19 58533 0.0281 0.3294 -0.07429 2019 2 20 58534 0.0276 0.3310 -0.07557 2019 2 21 58535 0.0273 0.3326 -0.07704 2019 2 22 58536 0.0269 0.3343 -0.07859 2019 2 23 58537 0.0266 0.3359 -0.08014 2019 2 24 58538 0.0263 0.3375 -0.08156 2019 2 25 58539 0.0261 0.3391 -0.08282 2019 2 26 58540 0.0259 0.3408 -0.08387 2019 2 27 58541 0.0257 0.3424 -0.08475 2019 2 28 58542 0.0255 0.3441 -0.08550 2019 3 1 58543 0.0254 0.3457 -0.08616 2019 3 2 58544 0.0253 0.3474 -0.08679 2019 3 3 58545 0.0253 0.3490 -0.08744 2019 3 4 58546 0.0252 0.3507 -0.08815 2019 3 5 58547 0.0252 0.3523 -0.08897 2019 3 6 58548 0.0253 0.3540 -0.08990 2019 3 7 58549 0.0254 0.3556 -0.09095 2019 3 8 58550 0.0255 0.3573 -0.09210 2019 3 9 58551 0.0256 0.3590 -0.09333 2019 3 10 58552 0.0258 0.3606 -0.09459 2019 3 11 58553 0.0260 0.3623 -0.09582 2019 3 12 58554 0.0262 0.3639 -0.09700 2019 3 13 58555 0.0264 0.3656 -0.09810 2019 3 14 58556 0.0267 0.3672 -0.09910 2019 3 15 58557 0.0271 0.3689 -0.10003 2019 3 16 58558 0.0274 0.3705 -0.10094 2019 3 17 58559 0.0278 0.3721 -0.10190 2019 3 18 58560 0.0282 0.3738 -0.10301 2019 3 19 58561 0.0287 0.3754 -0.10433 2019 3 20 58562 0.0291 0.3770 -0.10587 2019 3 21 58563 0.0296 0.3786 -0.10758 2019 3 22 58564 0.0302 0.3802 -0.10935 2019 3 23 58565 0.0308 0.3818 -0.11107 2019 3 24 58566 0.0314 0.3834 -0.11264 2019 3 25 58567 0.0320 0.3850 -0.11400 2019 3 26 58568 0.0326 0.3866 -0.11516 2019 3 27 58569 0.0333 0.3881 -0.11614 2019 3 28 58570 0.0340 0.3897 -0.11701 2019 3 29 58571 0.0348 0.3912 -0.11782 2019 3 30 58572 0.0356 0.3927 -0.11862 2019 3 31 58573 0.0364 0.3943 -0.11947 2019 4 1 58574 0.0372 0.3958 -0.12040 2019 4 2 58575 0.0381 0.3973 -0.12145 2019 4 3 58576 0.0390 0.3987 -0.12262 2019 4 4 58577 0.0399 0.4002 -0.12390 2019 4 5 58578 0.0408 0.4017 -0.12527 2019 4 6 58579 0.0418 0.4031 -0.12668 2019 4 7 58580 0.0428 0.4045 -0.12809 2019 4 8 58581 0.0438 0.4060 -0.12944 2019 4 9 58582 0.0449 0.4074 -0.13069 2019 4 10 58583 0.0460 0.4087 -0.13183 2019 4 11 58584 0.0471 0.4101 -0.13287 2019 4 12 58585 0.0482 0.4115 -0.13386 2019 4 13 58586 0.0494 0.4128 -0.13487 2019 4 14 58587 0.0505 0.4141 -0.13597 2019 4 15 58588 0.0518 0.4154 -0.13724 2019 4 16 58589 0.0530 0.4167 -0.13871 2019 4 17 58590 0.0542 0.4179 -0.14036 2019 4 18 58591 0.0555 0.4192 -0.14211 2019 4 19 58592 0.0568 0.4204 -0.14386 2019 4 20 58593 0.0581 0.4216 -0.14550 2019 4 21 58594 0.0595 0.4228 -0.14694 2019 4 22 58595 0.0609 0.4240 -0.14814 2019 4 23 58596 0.0623 0.4251 -0.14913 2019 4 24 58597 0.0637 0.4262 -0.14995 2019 4 25 58598 0.0651 0.4273 -0.15067 2019 4 26 58599 0.0666 0.4284 -0.15134 2019 4 27 58600 0.0680 0.4295 -0.15202 2019 4 28 58601 0.0695 0.4305 -0.15275 2019 4 29 58602 0.0710 0.4315 -0.15357 2019 4 30 58603 0.0726 0.4325 -0.15450 2019 5 1 58604 0.0741 0.4335 -0.15552 2019 5 2 58605 0.0757 0.4344 -0.15663 2019 5 3 58606 0.0773 0.4353 -0.15778 2019 5 4 58607 0.0789 0.4362 -0.15893 2019 5 5 58608 0.0805 0.4371 -0.16002 2019 5 6 58609 0.0821 0.4380 -0.16100 2019 5 7 58610 0.0838 0.4388 -0.16184 2019 5 8 58611 0.0854 0.4396 -0.16256 2019 5 9 58612 0.0871 0.4403 -0.16319 2019 5 10 58613 0.0888 0.4411 -0.16380 2019 5 11 58614 0.0905 0.4418 -0.16446 2019 5 12 58615 0.0922 0.4425 -0.16525 2019 5 13 58616 0.0939 0.4432 -0.16620 2019 5 14 58617 0.0957 0.4438 -0.16732 2019 5 15 58618 0.0974 0.4444 -0.16857 2019 5 16 58619 0.0992 0.4450 -0.16985 2019 5 17 58620 0.1010 0.4456 -0.17107 2019 5 18 58621 0.1027 0.4461 -0.17213 2019 5 19 58622 0.1045 0.4466 -0.17299 2019 5 20 58623 0.1063 0.4471 -0.17363 2019 5 21 58624 0.1081 0.4475 -0.17408 2019 5 22 58625 0.1100 0.4480 -0.17439 2019 5 23 58626 0.1118 0.4484 -0.17463 2019 5 24 58627 0.1136 0.4487 -0.17486 2019 5 25 58628 0.1154 0.4491 -0.17511 2019 5 26 58629 0.1173 0.4494 -0.17544 2019 5 27 58630 0.1191 0.4496 -0.17587 2019 5 28 58631 0.1210 0.4499 -0.17639 2019 5 29 58632 0.1228 0.4501 -0.17699 2019 5 30 58633 0.1247 0.4503 -0.17765 2019 5 31 58634 0.1266 0.4505 -0.17832 2019 6 1 58635 0.1284 0.4506 -0.17895 2019 6 2 58636 0.1303 0.4507 -0.17949 2019 6 3 58637 0.1322 0.4508 -0.17990 2019 6 4 58638 0.1340 0.4508 -0.18017 2019 6 5 58639 0.1359 0.4509 -0.18033 2019 6 6 58640 0.1378 0.4509 -0.18044 2019 6 7 58641 0.1396 0.4508 -0.18057 2019 6 8 58642 0.1415 0.4508 -0.18082 2019 6 9 58643 0.1433 0.4507 -0.18121 2019 6 10 58644 0.1452 0.4505 -0.18175 2019 6 11 58645 0.1471 0.4504 -0.18241 2019 6 12 58646 0.1489 0.4502 -0.18311 2019 6 13 58647 0.1508 0.4500 -0.18377 2019 6 14 58648 0.1526 0.4497 -0.18430 2019 6 15 58649 0.1544 0.4495 -0.18465 2019 6 16 58650 0.1563 0.4492 -0.18479 2019 6 17 58651 0.1581 0.4489 -0.18474 2019 6 18 58652 0.1599 0.4485 -0.18455 2019 6 19 58653 0.1617 0.4481 -0.18427 2019 6 20 58654 0.1635 0.4477 -0.18396 2019 6 21 58655 0.1653 0.4473 -0.18367 2019 6 22 58656 0.1671 0.4468 -0.18344 2019 6 23 58657 0.1689 0.4463 -0.18331 2019 6 24 58658 0.1706 0.4458 -0.18327 2019 6 25 58659 0.1724 0.4452 -0.18332 2019 6 26 58660 0.1741 0.4446 -0.18344 2019 6 27 58661 0.1758 0.4440 -0.18359 2019 6 28 58662 0.1776 0.4434 -0.18373 2019 6 29 58663 0.1793 0.4427 -0.18382 2019 6 30 58664 0.1809 0.4421 -0.18380 2019 7 1 58665 0.1826 0.4413 -0.18365 2019 7 2 58666 0.1843 0.4406 -0.18339 2019 7 3 58667 0.1859 0.4398 -0.18306 2019 7 4 58668 0.1876 0.4390 -0.18275 2019 7 5 58669 0.1892 0.4382 -0.18254 2019 7 6 58670 0.1908 0.4374 -0.18249 2019 7 7 58671 0.1924 0.4365 -0.18261 2019 7 8 58672 0.1939 0.4356 -0.18288 2019 7 9 58673 0.1955 0.4347 -0.18320 2019 7 10 58674 0.1970 0.4338 -0.18351 2019 7 11 58675 0.1985 0.4328 -0.18371 2019 7 12 58676 0.2000 0.4318 -0.18378 2019 7 13 58677 0.2015 0.4308 -0.18368 2019 7 14 58678 0.2029 0.4297 -0.18345 2019 7 15 58679 0.2043 0.4287 -0.18311 2019 7 16 58680 0.2057 0.4276 -0.18272 2019 7 17 58681 0.2071 0.4265 -0.18232 2019 7 18 58682 0.2085 0.4254 -0.18196 2019 7 19 58683 0.2098 0.4242 -0.18167 2019 7 20 58684 0.2112 0.4230 -0.18146 2019 7 21 58685 0.2125 0.4219 -0.18133 2019 7 22 58686 0.2137 0.4206 -0.18127 2019 7 23 58687 0.2150 0.4194 -0.18125 2019 7 24 58688 0.2162 0.4181 -0.18122 2019 7 25 58689 0.2174 0.4169 -0.18114 2019 7 26 58690 0.2186 0.4156 -0.18099 2019 7 27 58691 0.2197 0.4143 -0.18072 2019 7 28 58692 0.2209 0.4129 -0.18034 2019 7 29 58693 0.2220 0.4116 -0.17983 2019 7 30 58694 0.2230 0.4102 -0.17926 2019 7 31 58695 0.2241 0.4088 -0.17871 2019 8 1 58696 0.2251 0.4074 -0.17827 2019 8 2 58697 0.2261 0.4060 -0.17804 2019 8 3 58698 0.2271 0.4046 -0.17808 2019 8 4 58699 0.2280 0.4031 -0.17836 2019 8 5 58700 0.2289 0.4017 -0.17881 2019 8 6 58701 0.2298 0.4002 -0.17929 2019 8 7 58702 0.2306 0.3987 -0.17970 2019 8 8 58703 0.2315 0.3972 -0.17996 2019 8 9 58704 0.2323 0.3957 -0.18006 2019 8 10 58705 0.2330 0.3942 -0.18001 2019 8 11 58706 0.2338 0.3926 -0.17986 2019 8 12 58707 0.2345 0.3910 -0.17964 2019 8 13 58708 0.2351 0.3895 -0.17943 2019 8 14 58709 0.2358 0.3879 -0.17928 2019 8 15 58710 0.2364 0.3863 -0.17923 2019 8 16 58711 0.2370 0.3847 -0.17925 2019 8 17 58712 0.2375 0.3831 -0.17939 2019 8 18 58713 0.2381 0.3815 -0.17968 2019 8 19 58714 0.2385 0.3798 -0.18006 2019 8 20 58715 0.2390 0.3782 -0.18055 2019 8 21 58716 0.2394 0.3766 -0.18107 2019 8 22 58717 0.2398 0.3749 -0.18158 2019 8 23 58718 0.2402 0.3733 -0.18202 2019 8 24 58719 0.2405 0.3716 -0.18237 2019 8 25 58720 0.2408 0.3699 -0.18259 2019 8 26 58721 0.2411 0.3682 -0.18271 2019 8 27 58722 0.2413 0.3666 -0.18287 2019 8 28 58723 0.2415 0.3649 -0.18314 2019 8 29 58724 0.2417 0.3632 -0.18353 2019 8 30 58725 0.2418 0.3615 -0.18411 2019 8 31 58726 0.2419 0.3598 -0.18493 2019 9 1 58727 0.2420 0.3581 -0.18594 2019 9 2 58728 0.2421 0.3564 -0.18699 2019 9 3 58729 0.2421 0.3547 -0.18790 2019 9 4 58730 0.2420 0.3530 -0.18862 2019 9 5 58731 0.2420 0.3513 -0.18914 2019 9 6 58732 0.2419 0.3496 -0.18940 2019 9 7 58733 0.2418 0.3479 -0.18950 2019 9 8 58734 0.2416 0.3462 -0.18944 2019 9 9 58735 0.2414 0.3445 -0.18936 2019 9 10 58736 0.2412 0.3428 -0.18931 2019 9 11 58737 0.2410 0.3411 -0.18936 2019 9 12 58738 0.2407 0.3394 -0.18955 2019 9 13 58739 0.2404 0.3377 -0.18984 2019 9 14 58740 0.2400 0.3361 -0.19029 2019 9 15 58741 0.2396 0.3344 -0.19091 2019 9 16 58742 0.2392 0.3327 -0.19163 2019 9 17 58743 0.2388 0.3310 -0.19237 2019 9 18 58744 0.2383 0.3294 -0.19315 2019 9 19 58745 0.2378 0.3277 -0.19391 2019 9 20 58746 0.2373 0.3261 -0.19459 2019 9 21 58747 0.2367 0.3245 -0.19517 2019 9 22 58748 0.2361 0.3228 -0.19569 2019 9 23 58749 0.2355 0.3212 -0.19617 2019 9 24 58750 0.2348 0.3196 -0.19666 2019 9 25 58751 0.2341 0.3180 -0.19728 2019 9 26 58752 0.2334 0.3164 -0.19819 2019 9 27 58753 0.2326 0.3148 -0.19933 2019 9 28 58754 0.2319 0.3133 -0.20071 2019 9 29 58755 0.2310 0.3117 -0.20224 2019 9 30 58756 0.2302 0.3102 -0.20378 2019 10 1 58757 0.2293 0.3086 -0.20515 2019 10 2 58758 0.2284 0.3071 -0.20627 2019 10 3 58759 0.2275 0.3056 -0.20713 2019 10 4 58760 0.2265 0.3041 -0.20774 2019 10 5 58761 0.2256 0.3026 -0.20817 2019 10 6 58762 0.2245 0.3012 -0.20846 2019 10 7 58763 0.2235 0.2997 -0.20876 2019 10 8 58764 0.2224 0.2983 -0.20912 2019 10 9 58765 0.2213 0.2969 -0.20951 2019 10 10 58766 0.2202 0.2955 -0.20992 2019 10 11 58767 0.2191 0.2941 -0.21041 2019 10 12 58768 0.2179 0.2928 -0.21103 2019 10 13 58769 0.2167 0.2914 -0.21175 2019 10 14 58770 0.2155 0.2901 -0.21253 2019 10 15 58771 0.2142 0.2888 -0.21338 2019 10 16 58772 0.2129 0.2875 -0.21420 2019 10 17 58773 0.2116 0.2862 -0.21493 2019 10 18 58774 0.2103 0.2850 -0.21553 2019 10 19 58775 0.2090 0.2838 -0.21600 2019 10 20 58776 0.2076 0.2826 -0.21641 2019 10 21 58777 0.2062 0.2814 -0.21685 2019 10 22 58778 0.2048 0.2802 -0.21737 2019 10 23 58779 0.2034 0.2791 -0.21805 2019 10 24 58780 0.2019 0.2780 -0.21893 2019 10 25 58781 0.2004 0.2769 -0.22005 2019 10 26 58782 0.1989 0.2758 -0.22132 2019 10 27 58783 0.1974 0.2747 -0.22271 2019 10 28 58784 0.1959 0.2737 -0.22410 2019 10 29 58785 0.1943 0.2727 -0.22533 2019 10 30 58786 0.1928 0.2717 -0.22628 2019 10 31 58787 0.1912 0.2708 -0.22702 2019 11 1 58788 0.1895 0.2699 -0.22758 2019 11 2 58789 0.1879 0.2689 -0.22805 2019 11 3 58790 0.1863 0.2681 -0.22845 2019 11 4 58791 0.1846 0.2672 -0.22883 2019 11 5 58792 0.1829 0.2664 -0.22923 2019 11 6 58793 0.1812 0.2656 -0.22971 2019 11 7 58794 0.1795 0.2648 -0.23033 2019 11 8 58795 0.1778 0.2641 -0.23113 2019 11 9 58796 0.1761 0.2634 -0.23207 2019 11 10 58797 0.1743 0.2627 -0.23309 2019 11 11 58798 0.1726 0.2620 -0.23416 2019 11 12 58799 0.1708 0.2614 -0.23519 2019 11 13 58800 0.1690 0.2607 -0.23609 2019 11 14 58801 0.1672 0.2602 -0.23684 2019 11 15 58802 0.1654 0.2596 -0.23744 2019 11 16 58803 0.1636 0.2591 -0.23793 2019 11 17 58804 0.1618 0.2586 -0.23836 2019 11 18 58805 0.1599 0.2581 -0.23872 2019 11 19 58806 0.1581 0.2577 -0.23922 2019 11 20 58807 0.1562 0.2573 -0.23991 2019 11 21 58808 0.1544 0.2569 -0.24080 2019 11 22 58809 0.1525 0.2565 -0.24193 2019 11 23 58810 0.1506 0.2562 -0.24317 2019 11 24 58811 0.1487 0.2559 -0.24436 2019 11 25 58812 0.1469 0.2557 -0.24548 2019 11 26 58813 0.1450 0.2554 -0.24648 2019 11 27 58814 0.1431 0.2552 -0.24725 2019 11 28 58815 0.1412 0.2551 -0.24780 2019 11 29 58816 0.1393 0.2549 -0.24822 2019 11 30 58817 0.1374 0.2548 -0.24858 2019 12 1 58818 0.1355 0.2547 -0.24892 2019 12 2 58819 0.1336 0.2547 -0.24932 2019 12 3 58820 0.1317 0.2547 -0.24985 2019 12 4 58821 0.1298 0.2547 -0.25051 2019 12 5 58822 0.1279 0.2547 -0.25132 2019 12 6 58823 0.1260 0.2548 -0.25225 2019 12 7 58824 0.1241 0.2549 -0.25329 2019 12 8 58825 0.1222 0.2550 -0.25441 2019 12 9 58826 0.1203 0.2552 -0.25553 2019 12 10 58827 0.1184 0.2554 -0.25661 2019 12 11 58828 0.1165 0.2556 -0.25758 2019 12 12 58829 0.1146 0.2558 -0.25840 2019 12 13 58830 0.1127 0.2561 -0.25915 2019 12 14 58831 0.1109 0.2564 -0.25993 2019 12 15 58832 0.1090 0.2568 -0.26076 2019 12 16 58833 0.1071 0.2571 -0.26172 2019 12 17 58834 0.1053 0.2575 -0.26289 2019 12 18 58835 0.1035 0.2580 -0.26428 2019 12 19 58836 0.1016 0.2584 -0.26582 2019 12 20 58837 0.0998 0.2589 -0.26744 2019 12 21 58838 0.0980 0.2594 -0.26899 2019 12 22 58839 0.0962 0.2600 -0.27042 2019 12 23 58840 0.0944 0.2606 -0.27169 2019 12 24 58841 0.0926 0.2612 -0.27265 2019 12 25 58842 0.0908 0.2618 -0.27336 2019 12 26 58843 0.0891 0.2625 -0.27382 2019 12 27 58844 0.0873 0.2632 -0.27417 2019 12 28 58845 0.0856 0.2639 -0.27446 2019 12 29 58846 0.0839 0.2646 -0.27469 2019 12 30 58847 0.0822 0.2654 -0.27499 2019 12 31 58848 0.0805 0.2662 -0.27533 2020 1 1 58849 0.0788 0.2670 -0.27577 2020 1 2 58850 0.0771 0.2679 -0.27626 2020 1 3 58851 0.0755 0.2688 -0.27678 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) 58460 -107.83 0.58 -7.87 0.12 58461 -107.59 0.83 -7.91 0.09 58462 -107.33 0.83 -7.89 0.09 58463 -107.07 0.99 -7.79 0.06 58464 -106.91 1.03 -7.68 0.06 58465 -106.91 1.03 -7.63 0.06 58466 -106.92 1.03 -7.66 0.06 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 58424 -110.2 -9.1 58425 -109.8 -8.9 58426 -109.8 -8.8 58427 -110.0 -8.8 58428 -110.2 -8.9 58429 -111.3 -9.1 58430 -111.1 -9.2 58431 -110.9 -9.2 58432 -110.7 -9.2 58433 -110.5 -9.3 58434 -110.2 -9.3 58435 -109.8 -9.2 58436 -109.6 -9.0 58437 -109.5 -8.9 58438 -109.5 -8.8 58439 -109.4 -8.8 58440 -109.4 -8.8 58441 -109.4 -8.6 58442 -109.5 -8.2 58443 -109.6 -7.9 58444 -109.6 -7.8 58445 -109.5 -7.9 58446 -109.4 -8.2 58447 -109.3 -8.4 58448 -109.1 -8.3 58449 -108.9 -8.0 58450 -108.8 -7.8 58451 -108.6 -7.7 58452 -108.5 -7.7 58453 -108.4 -7.8 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58460 0.321 0.229 0.128 0.121 58461 0.331 0.329 0.114 0.093 58462 0.346 0.329 0.099 0.093 58463 0.364 0.394 0.085 0.062 58464 0.383 0.410 0.072 0.063 58465 0.402 0.410 0.060 0.063 58466 0.422 0.410 0.049 0.063 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 58424 0.35 0.16 58425 0.36 0.15 58426 0.37 0.14 58427 0.38 0.13 58428 0.40 0.12 58429 0.00 0.00 58430 0.00 0.00 58431 0.00 0.00 58432 0.00 0.00 58433 0.00 0.00 58434 0.00 0.00 58435 0.00 0.00 58436 0.00 0.00 58437 0.00 0.00 58438 0.00 0.00 58439 0.00 0.00 58440 0.00 0.00 58441 0.00 0.00 58442 0.00 0.00 58443 0.00 0.00 58444 0.00 0.00 58445 0.00 0.00 58446 0.00 0.00 58447 0.00 0.00 58448 0.00 0.00 58449 0.00 0.00 58450 0.00 0.00 58451 0.00 0.00 58452 0.00 0.00 58453 0.00 0.00 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).