********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 6 December 2018 Vol. XXXI No. 049 ______________________________________________________________________ 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 30 58452 0.15061 .00009 0.27516 .00009 -0.011162 0.000012 18 12 1 58453 0.14851 .00009 0.27429 .00009 -0.012457 0.000014 18 12 2 58454 0.14619 .00009 0.27349 .00009 -0.013743 0.000019 18 12 3 58455 0.14391 .00009 0.27284 .00009 -0.014980 0.000021 18 12 4 58456 0.14187 .00009 0.27233 .00009 -0.016079 0.000020 18 12 5 58457 0.13971 .00009 0.27203 .00009 -0.017011 0.000019 18 12 6 58458 0.13721 .00009 0.27182 .00009 -0.017795 0.000055 IERS Final Values MJD x y UT1-UTC " " s 18 10 2 58393 0.2106 0.3298 0.04771 18 10 3 58394 0.2104 0.3286 0.04705 18 10 4 58395 0.2097 0.3277 0.04634 18 10 5 58396 0.2086 0.3267 0.04549 18 10 6 58397 0.2078 0.3250 0.04442 18 10 7 58398 0.2074 0.3237 0.04316 18 10 8 58399 0.2070 0.3227 0.04175 18 10 9 58400 0.2064 0.3219 0.04030 18 10 10 58401 0.2058 0.3211 0.03892 18 10 11 58402 0.2050 0.3201 0.03768 18 10 12 58403 0.2041 0.3187 0.03663 18 10 13 58404 0.2031 0.3169 0.03576 18 10 14 58405 0.2022 0.3154 0.03505 18 10 15 58406 0.2017 0.3143 0.03448 18 10 16 58407 0.2016 0.3134 0.03401 18 10 17 58408 0.2011 0.3125 0.03359 18 10 18 58409 0.2002 0.3111 0.03316 18 10 19 58410 0.1991 0.3099 0.03264 18 10 20 58411 0.1979 0.3086 0.03195 18 10 21 58412 0.1968 0.3075 0.03116 18 10 22 58413 0.1955 0.3063 0.03019 18 10 23 58414 0.1947 0.3050 0.02905 18 10 24 58415 0.1938 0.3042 0.02782 18 10 25 58416 0.1932 0.3037 0.02653 18 10 26 58417 0.1925 0.3032 0.02525 18 10 27 58418 0.1921 0.3025 0.02406 18 10 28 58419 0.1916 0.3021 0.02300 18 10 29 58420 0.1902 0.3014 0.02205 18 10 30 58421 0.1881 0.3001 0.02117 18 10 31 58422 0.1863 0.2988 0.02031 18 11 1 58423 0.1845 0.2970 0.01937 _______________________________________________________________________ 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 = 0.1237 - 0.0348 cos A - 0.0794 sin A + 0.0442 cos C - 0.0046 sin C y = 0.3501 - 0.0720 cos A + 0.0305 sin A - 0.0046 cos C - 0.0442 sin C UT1-UTC = -0.0325 - 0.00066 (MJD - 58466) - (UT2-UT1) where A = 2*pi*(MJD-58458)/365.25 and C = 2*pi*(MJD-58458)/435. TAI-UTC(MJD 58459) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58458)**0.80 S t = 0.00025 (MJD-58458)**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 12 7 58459 0.1348 0.2715 -0.01837 2018 12 8 58460 0.1324 0.2710 -0.01882 2018 12 9 58461 0.1302 0.2706 -0.01919 2018 12 10 58462 0.1281 0.2702 -0.01955 2018 12 11 58463 0.1263 0.2700 -0.01992 2018 12 12 58464 0.1245 0.2698 -0.02035 2018 12 13 58465 0.1228 0.2698 -0.02085 2018 12 14 58466 0.1212 0.2698 -0.02145 2018 12 15 58467 0.1195 0.2700 -0.02217 2018 12 16 58468 0.1179 0.2702 -0.02300 2018 12 17 58469 0.1162 0.2704 -0.02390 2018 12 18 58470 0.1146 0.2707 -0.02482 2018 12 19 58471 0.1130 0.2710 -0.02573 2018 12 20 58472 0.1114 0.2713 -0.02660 2018 12 21 58473 0.1097 0.2716 -0.02739 2018 12 22 58474 0.1080 0.2719 -0.02812 2018 12 23 58475 0.1064 0.2722 -0.02878 2018 12 24 58476 0.1047 0.2726 -0.02944 2018 12 25 58477 0.1030 0.2730 -0.03017 2018 12 26 58478 0.1013 0.2733 -0.03104 2018 12 27 58479 0.0996 0.2737 -0.03205 2018 12 28 58480 0.0979 0.2742 -0.03319 2018 12 29 58481 0.0962 0.2746 -0.03440 2018 12 30 58482 0.0946 0.2751 -0.03561 2018 12 31 58483 0.0929 0.2757 -0.03674 2019 1 1 58484 0.0913 0.2763 -0.03773 2019 1 2 58485 0.0897 0.2769 -0.03853 2019 1 3 58486 0.0881 0.2775 -0.03915 2019 1 4 58487 0.0866 0.2781 -0.03961 2019 1 5 58488 0.0852 0.2788 -0.03995 2019 1 6 58489 0.0838 0.2795 -0.04023 2019 1 7 58490 0.0824 0.2803 -0.04050 2019 1 8 58491 0.0810 0.2811 -0.04081 2019 1 9 58492 0.0796 0.2819 -0.04119 2019 1 10 58493 0.0783 0.2828 -0.04166 2019 1 11 58494 0.0769 0.2837 -0.04224 2019 1 12 58495 0.0756 0.2846 -0.04293 2019 1 13 58496 0.0742 0.2855 -0.04369 2019 1 14 58497 0.0729 0.2864 -0.04452 2019 1 15 58498 0.0716 0.2873 -0.04538 2019 1 16 58499 0.0704 0.2883 -0.04622 2019 1 17 58500 0.0691 0.2893 -0.04701 2019 1 18 58501 0.0678 0.2903 -0.04770 2019 1 19 58502 0.0666 0.2913 -0.04831 2019 1 20 58503 0.0654 0.2923 -0.04888 2019 1 21 58504 0.0641 0.2934 -0.04948 2019 1 22 58505 0.0630 0.2944 -0.05019 2019 1 23 58506 0.0618 0.2955 -0.05109 2019 1 24 58507 0.0607 0.2966 -0.05215 2019 1 25 58508 0.0595 0.2977 -0.05333 2019 1 26 58509 0.0585 0.2989 -0.05454 2019 1 27 58510 0.0574 0.3000 -0.05568 2019 1 28 58511 0.0564 0.3012 -0.05669 2019 1 29 58512 0.0554 0.3024 -0.05753 2019 1 30 58513 0.0544 0.3036 -0.05819 2019 1 31 58514 0.0534 0.3049 -0.05871 2019 2 1 58515 0.0525 0.3061 -0.05912 2019 2 2 58516 0.0516 0.3074 -0.05945 2019 2 3 58517 0.0507 0.3087 -0.05976 2019 2 4 58518 0.0499 0.3100 -0.06010 2019 2 5 58519 0.0491 0.3113 -0.06051 2019 2 6 58520 0.0482 0.3126 -0.06103 2019 2 7 58521 0.0475 0.3139 -0.06167 2019 2 8 58522 0.0467 0.3153 -0.06244 2019 2 9 58523 0.0460 0.3167 -0.06331 2019 2 10 58524 0.0453 0.3180 -0.06426 2019 2 11 58525 0.0446 0.3194 -0.06524 2019 2 12 58526 0.0439 0.3208 -0.06622 2019 2 13 58527 0.0433 0.3222 -0.06716 2019 2 14 58528 0.0427 0.3236 -0.06803 2019 2 15 58529 0.0421 0.3251 -0.06883 2019 2 16 58530 0.0415 0.3265 -0.06958 2019 2 17 58531 0.0410 0.3280 -0.07035 2019 2 18 58532 0.0405 0.3294 -0.07123 2019 2 19 58533 0.0401 0.3309 -0.07229 2019 2 20 58534 0.0396 0.3323 -0.07358 2019 2 21 58535 0.0392 0.3338 -0.07506 2019 2 22 58536 0.0388 0.3353 -0.07665 2019 2 23 58537 0.0385 0.3368 -0.07824 2019 2 24 58538 0.0382 0.3383 -0.07974 2019 2 25 58539 0.0379 0.3398 -0.08106 2019 2 26 58540 0.0376 0.3413 -0.08220 2019 2 27 58541 0.0374 0.3429 -0.08317 2019 2 28 58542 0.0372 0.3444 -0.08401 2019 3 1 58543 0.0370 0.3459 -0.08476 2019 3 2 58544 0.0369 0.3475 -0.08548 2019 3 3 58545 0.0368 0.3490 -0.08623 2019 3 4 58546 0.0367 0.3505 -0.08703 2019 3 5 58547 0.0366 0.3521 -0.08794 2019 3 6 58548 0.0366 0.3536 -0.08895 2019 3 7 58549 0.0366 0.3552 -0.09009 2019 3 8 58550 0.0366 0.3567 -0.09132 2019 3 9 58551 0.0367 0.3582 -0.09263 2019 3 10 58552 0.0368 0.3598 -0.09397 2019 3 11 58553 0.0369 0.3613 -0.09528 2019 3 12 58554 0.0370 0.3629 -0.09654 2019 3 13 58555 0.0372 0.3644 -0.09771 2019 3 14 58556 0.0374 0.3660 -0.09879 2019 3 15 58557 0.0376 0.3675 -0.09980 2019 3 16 58558 0.0379 0.3690 -0.10079 2019 3 17 58559 0.0382 0.3706 -0.10185 2019 3 18 58560 0.0385 0.3721 -0.10306 2019 3 19 58561 0.0389 0.3736 -0.10449 2019 3 20 58562 0.0392 0.3751 -0.10614 2019 3 21 58563 0.0397 0.3766 -0.10796 2019 3 22 58564 0.0401 0.3781 -0.10985 2019 3 23 58565 0.0406 0.3796 -0.11169 2019 3 24 58566 0.0411 0.3811 -0.11337 2019 3 25 58567 0.0416 0.3826 -0.11482 2019 3 26 58568 0.0421 0.3841 -0.11606 2019 3 27 58569 0.0427 0.3856 -0.11712 2019 3 28 58570 0.0433 0.3870 -0.11806 2019 3 29 58571 0.0440 0.3885 -0.11893 2019 3 30 58572 0.0446 0.3899 -0.11980 2019 3 31 58573 0.0453 0.3914 -0.12070 2019 4 1 58574 0.0460 0.3928 -0.12169 2019 4 2 58575 0.0468 0.3942 -0.12279 2019 4 3 58576 0.0475 0.3956 -0.12400 2019 4 4 58577 0.0483 0.3970 -0.12532 2019 4 5 58578 0.0492 0.3984 -0.12673 2019 4 6 58579 0.0500 0.3998 -0.12817 2019 4 7 58580 0.0509 0.4011 -0.12959 2019 4 8 58581 0.0518 0.4025 -0.13095 2019 4 9 58582 0.0527 0.4038 -0.13220 2019 4 10 58583 0.0537 0.4051 -0.13333 2019 4 11 58584 0.0546 0.4064 -0.13436 2019 4 12 58585 0.0556 0.4077 -0.13533 2019 4 13 58586 0.0567 0.4090 -0.13632 2019 4 14 58587 0.0577 0.4102 -0.13740 2019 4 15 58588 0.0588 0.4115 -0.13865 2019 4 16 58589 0.0599 0.4127 -0.14010 2019 4 17 58590 0.0610 0.4139 -0.14173 2019 4 18 58591 0.0621 0.4151 -0.14348 2019 4 19 58592 0.0633 0.4162 -0.14523 2019 4 20 58593 0.0645 0.4174 -0.14686 2019 4 21 58594 0.0657 0.4185 -0.14831 2019 4 22 58595 0.0669 0.4197 -0.14954 2019 4 23 58596 0.0681 0.4208 -0.15055 2019 4 24 58597 0.0694 0.4218 -0.15140 2019 4 25 58598 0.0707 0.4229 -0.15215 2019 4 26 58599 0.0720 0.4239 -0.15284 2019 4 27 58600 0.0733 0.4250 -0.15355 2019 4 28 58601 0.0747 0.4260 -0.15432 2019 4 29 58602 0.0760 0.4269 -0.15517 2019 4 30 58603 0.0774 0.4279 -0.15613 2019 5 1 58604 0.0788 0.4288 -0.15719 2019 5 2 58605 0.0802 0.4297 -0.15833 2019 5 3 58606 0.0817 0.4306 -0.15951 2019 5 4 58607 0.0831 0.4315 -0.16069 2019 5 5 58608 0.0846 0.4324 -0.16181 2019 5 6 58609 0.0860 0.4332 -0.16282 2019 5 7 58610 0.0875 0.4340 -0.16369 2019 5 8 58611 0.0890 0.4348 -0.16443 2019 5 9 58612 0.0906 0.4355 -0.16507 2019 5 10 58613 0.0921 0.4362 -0.16569 2019 5 11 58614 0.0937 0.4370 -0.16636 2019 5 12 58615 0.0952 0.4376 -0.16716 2019 5 13 58616 0.0968 0.4383 -0.16811 2019 5 14 58617 0.0984 0.4389 -0.16924 2019 5 15 58618 0.1000 0.4395 -0.17048 2019 5 16 58619 0.1016 0.4401 -0.17175 2019 5 17 58620 0.1032 0.4407 -0.17296 2019 5 18 58621 0.1048 0.4412 -0.17402 2019 5 19 58622 0.1065 0.4417 -0.17486 2019 5 20 58623 0.1081 0.4422 -0.17549 2019 5 21 58624 0.1098 0.4427 -0.17593 2019 5 22 58625 0.1114 0.4431 -0.17623 2019 5 23 58626 0.1131 0.4435 -0.17645 2019 5 24 58627 0.1148 0.4439 -0.17666 2019 5 25 58628 0.1165 0.4442 -0.17690 2019 5 26 58629 0.1182 0.4446 -0.17722 2019 5 27 58630 0.1199 0.4449 -0.17762 2019 5 28 58631 0.1216 0.4451 -0.17812 2019 5 29 58632 0.1233 0.4454 -0.17871 2019 5 30 58633 0.1250 0.4456 -0.17935 2019 5 31 58634 0.1267 0.4458 -0.18000 2019 6 1 58635 0.1284 0.4460 -0.18062 2019 6 2 58636 0.1301 0.4461 -0.18115 2019 6 3 58637 0.1318 0.4462 -0.18156 2019 6 4 58638 0.1336 0.4463 -0.18184 2019 6 5 58639 0.1353 0.4464 -0.18201 2019 6 6 58640 0.1370 0.4464 -0.18214 2019 6 7 58641 0.1387 0.4464 -0.18233 2019 6 8 58642 0.1405 0.4464 -0.18263 2019 6 9 58643 0.1422 0.4463 -0.18312 2019 6 10 58644 0.1439 0.4462 -0.18377 2019 6 11 58645 0.1456 0.4461 -0.18457 2019 6 12 58646 0.1473 0.4460 -0.18544 2019 6 13 58647 0.1490 0.4458 -0.18628 2019 6 14 58648 0.1507 0.4457 -0.18700 2019 6 15 58649 0.1524 0.4454 -0.18753 2019 6 16 58650 0.1541 0.4452 -0.18783 2019 6 17 58651 0.1558 0.4449 -0.18790 2019 6 18 58652 0.1575 0.4446 -0.18779 2019 6 19 58653 0.1592 0.4443 -0.18754 2019 6 20 58654 0.1609 0.4440 -0.18723 2019 6 21 58655 0.1625 0.4436 -0.18693 2019 6 22 58656 0.1642 0.4432 -0.18669 2019 6 23 58657 0.1658 0.4428 -0.18658 2019 6 24 58658 0.1675 0.4423 -0.18661 2019 6 25 58659 0.1691 0.4418 -0.18678 2019 6 26 58660 0.1707 0.4413 -0.18707 2019 6 27 58661 0.1723 0.4408 -0.18742 2019 6 28 58662 0.1739 0.4402 -0.18780 2019 6 29 58663 0.1755 0.4397 -0.18813 2019 6 30 58664 0.1771 0.4391 -0.18837 2019 7 1 58665 0.1787 0.4384 -0.18848 2019 7 2 58666 0.1802 0.4378 -0.18846 2019 7 3 58667 0.1818 0.4371 -0.18836 2019 7 4 58668 0.1833 0.4364 -0.18826 2019 7 5 58669 0.1848 0.4356 -0.18825 2019 7 6 58670 0.1863 0.4349 -0.18838 2019 7 7 58671 0.1878 0.4341 -0.18865 2019 7 8 58672 0.1892 0.4333 -0.18903 2019 7 9 58673 0.1907 0.4325 -0.18943 2019 7 10 58674 0.1921 0.4316 -0.18975 2019 7 11 58675 0.1935 0.4308 -0.18992 2019 7 12 58676 0.1949 0.4299 -0.18990 2019 7 13 58677 0.1963 0.4290 -0.18966 2019 7 14 58678 0.1977 0.4280 -0.18922 2019 7 15 58679 0.1990 0.4271 -0.18864 2019 7 16 58680 0.2003 0.4261 -0.18799 2019 7 17 58681 0.2016 0.4251 -0.18733 2019 7 18 58682 0.2029 0.4240 -0.18672 2019 7 19 58683 0.2042 0.4230 -0.18617 2019 7 20 58684 0.2054 0.4219 -0.18574 2019 7 21 58685 0.2066 0.4208 -0.18550 2019 7 22 58686 0.2078 0.4197 -0.18536 2019 7 23 58687 0.2090 0.4186 -0.18531 2019 7 24 58688 0.2102 0.4175 -0.18534 2019 7 25 58689 0.2113 0.4163 -0.18544 2019 7 26 58690 0.2124 0.4151 -0.18549 2019 7 27 58691 0.2135 0.4139 -0.18546 2019 7 28 58692 0.2146 0.4127 -0.18536 2019 7 29 58693 0.2156 0.4115 -0.18516 2019 7 30 58694 0.2167 0.4102 -0.18486 2019 7 31 58695 0.2176 0.4090 -0.18456 2019 8 1 58696 0.2186 0.4077 -0.18443 2019 8 2 58697 0.2196 0.4064 -0.18447 2019 8 3 58698 0.2205 0.4051 -0.18471 2019 8 4 58699 0.2214 0.4037 -0.18514 2019 8 5 58700 0.2222 0.4024 -0.18568 2019 8 6 58701 0.2231 0.4010 -0.18615 2019 8 7 58702 0.2239 0.3997 -0.18648 2019 8 8 58703 0.2247 0.3983 -0.18661 2019 8 9 58704 0.2254 0.3969 -0.18650 2019 8 10 58705 0.2262 0.3955 -0.18619 2019 8 11 58706 0.2269 0.3941 -0.18567 2019 8 12 58707 0.2276 0.3926 -0.18508 2019 8 13 58708 0.2282 0.3912 -0.18448 2019 8 14 58709 0.2288 0.3897 -0.18385 2019 8 15 58710 0.2294 0.3883 -0.18319 2019 8 16 58711 0.2300 0.3868 -0.18260 2019 8 17 58712 0.2306 0.3853 -0.18216 2019 8 18 58713 0.2311 0.3838 -0.18185 2019 8 19 58714 0.2315 0.3823 -0.18166 2019 8 20 58715 0.2320 0.3808 -0.18162 2019 8 21 58716 0.2324 0.3793 -0.18163 2019 8 22 58717 0.2328 0.3778 -0.18163 2019 8 23 58718 0.2332 0.3762 -0.18157 2019 8 24 58719 0.2335 0.3747 -0.18140 2019 8 25 58720 0.2338 0.3731 -0.18115 2019 8 26 58721 0.2341 0.3716 -0.18087 2019 8 27 58722 0.2343 0.3700 -0.18059 2019 8 28 58723 0.2346 0.3685 -0.18037 2019 8 29 58724 0.2347 0.3669 -0.18031 2019 8 30 58725 0.2349 0.3654 -0.18048 2019 8 31 58726 0.2350 0.3638 -0.18085 2019 9 1 58727 0.2351 0.3622 -0.18145 2019 9 2 58728 0.2352 0.3606 -0.18215 2019 9 3 58729 0.2352 0.3591 -0.18281 2019 9 4 58730 0.2352 0.3575 -0.18327 2019 9 5 58731 0.2352 0.3559 -0.18353 2019 9 6 58732 0.2351 0.3544 -0.18362 2019 9 7 58733 0.2351 0.3528 -0.18356 2019 9 8 58734 0.2349 0.3512 -0.18339 2019 9 9 58735 0.2348 0.3496 -0.18313 2019 9 10 58736 0.2346 0.3481 -0.18287 2019 9 11 58737 0.2344 0.3465 -0.18265 2019 9 12 58738 0.2342 0.3449 -0.18256 2019 9 13 58739 0.2339 0.3434 -0.18267 2019 9 14 58740 0.2336 0.3418 -0.18297 2019 9 15 58741 0.2333 0.3403 -0.18343 2019 9 16 58742 0.2329 0.3387 -0.18400 2019 9 17 58743 0.2325 0.3372 -0.18463 2019 9 18 58744 0.2321 0.3356 -0.18521 2019 9 19 58745 0.2317 0.3341 -0.18572 2019 9 20 58746 0.2312 0.3326 -0.18612 2019 9 21 58747 0.2307 0.3311 -0.18643 2019 9 22 58748 0.2302 0.3296 -0.18663 2019 9 23 58749 0.2296 0.3281 -0.18670 2019 9 24 58750 0.2290 0.3266 -0.18682 2019 9 25 58751 0.2284 0.3251 -0.18710 2019 9 26 58752 0.2278 0.3236 -0.18757 2019 9 27 58753 0.2271 0.3222 -0.18836 2019 9 28 58754 0.2264 0.3207 -0.18939 2019 9 29 58755 0.2257 0.3193 -0.19051 2019 9 30 58756 0.2249 0.3178 -0.19169 2019 10 1 58757 0.2241 0.3164 -0.19283 2019 10 2 58758 0.2233 0.3150 -0.19377 2019 10 3 58759 0.2225 0.3136 -0.19448 2019 10 4 58760 0.2216 0.3123 -0.19500 2019 10 5 58761 0.2207 0.3109 -0.19540 2019 10 6 58762 0.2198 0.3095 -0.19572 2019 10 7 58763 0.2188 0.3082 -0.19605 2019 10 8 58764 0.2179 0.3069 -0.19647 2019 10 9 58765 0.2169 0.3056 -0.19703 2019 10 10 58766 0.2159 0.3043 -0.19773 2019 10 11 58767 0.2148 0.3030 -0.19861 2019 10 12 58768 0.2137 0.3017 -0.19965 2019 10 13 58769 0.2127 0.3005 -0.20083 2019 10 14 58770 0.2115 0.2993 -0.20210 2019 10 15 58771 0.2104 0.2981 -0.20340 2019 10 16 58772 0.2092 0.2969 -0.20464 2019 10 17 58773 0.2081 0.2957 -0.20577 2019 10 18 58774 0.2068 0.2946 -0.20682 2019 10 19 58775 0.2056 0.2934 -0.20788 2019 10 20 58776 0.2044 0.2923 -0.20891 2019 10 21 58777 0.2031 0.2912 -0.20996 2019 10 22 58778 0.2018 0.2901 -0.21114 2019 10 23 58779 0.2005 0.2891 -0.21251 2019 10 24 58780 0.1992 0.2881 -0.21409 2019 10 25 58781 0.1978 0.2870 -0.21587 2019 10 26 58782 0.1964 0.2861 -0.21775 2019 10 27 58783 0.1950 0.2851 -0.21968 2019 10 28 58784 0.1936 0.2841 -0.22156 2019 10 29 58785 0.1922 0.2832 -0.22318 2019 10 30 58786 0.1908 0.2823 -0.22452 2019 10 31 58787 0.1893 0.2814 -0.22555 2019 11 1 58788 0.1878 0.2806 -0.22636 2019 11 2 58789 0.1863 0.2798 -0.22702 2019 11 3 58790 0.1848 0.2790 -0.22755 2019 11 4 58791 0.1833 0.2782 -0.22807 2019 11 5 58792 0.1817 0.2774 -0.22861 2019 11 6 58793 0.1802 0.2767 -0.22923 2019 11 7 58794 0.1786 0.2760 -0.22993 2019 11 8 58795 0.1770 0.2753 -0.23068 2019 11 9 58796 0.1754 0.2746 -0.23148 2019 11 10 58797 0.1738 0.2740 -0.23238 2019 11 11 58798 0.1722 0.2734 -0.23330 2019 11 12 58799 0.1706 0.2728 -0.23409 2019 11 13 58800 0.1689 0.2723 -0.23481 2019 11 14 58801 0.1673 0.2717 -0.23536 2019 11 15 58802 0.1656 0.2712 -0.23582 2019 11 16 58803 0.1639 0.2708 -0.23622 2019 11 17 58804 0.1623 0.2703 -0.23650 2019 11 18 58805 0.1606 0.2699 -0.23684 2019 11 19 58806 0.1589 0.2695 -0.23732 2019 11 20 58807 0.1572 0.2691 -0.23809 2019 11 21 58808 0.1554 0.2688 -0.23910 2019 11 22 58809 0.1537 0.2685 -0.24039 2019 11 23 58810 0.1520 0.2682 -0.24186 2019 11 24 58811 0.1503 0.2680 -0.24338 2019 11 25 58812 0.1485 0.2677 -0.24476 2019 11 26 58813 0.1468 0.2675 -0.24600 2019 11 27 58814 0.1450 0.2674 -0.24703 2019 11 28 58815 0.1433 0.2672 -0.24786 2019 11 29 58816 0.1415 0.2671 -0.24849 2019 11 30 58817 0.1398 0.2670 -0.24906 2019 12 1 58818 0.1380 0.2670 -0.24961 2019 12 2 58819 0.1363 0.2669 -0.25019 2019 12 3 58820 0.1345 0.2669 -0.25084 2019 12 4 58821 0.1328 0.2670 -0.25164 2019 12 5 58822 0.1310 0.2670 -0.25255 2019 12 6 58823 0.1293 0.2671 -0.25351 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) 58429 -110.43 0.92 -8.94 0.14 58430 -110.30 0.92 -9.00 0.14 58431 -110.10 0.92 -9.00 0.14 58432 -109.92 0.32 -9.00 0.16 58433 -109.71 0.73 -9.03 0.24 58434 -109.42 0.73 -9.03 0.24 58435 -109.08 0.73 -8.93 0.24 58436 -108.83 0.73 -8.77 0.21 58437 -108.73 0.73 -8.65 0.21 58438 -108.71 0.73 -8.62 0.21 58439 -108.65 0.72 -8.65 0.19 58440 -108.59 0.80 -8.63 0.13 58441 -108.59 0.80 -8.45 0.13 58442 -108.67 0.87 -8.13 0.05 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 58393 -114.5 -10.7 58394 -114.4 -10.7 58395 -113.9 -10.7 58396 -113.3 -10.4 58397 -113.1 -10.1 58398 -113.1 -9.8 58399 -113.3 -9.7 58400 -113.4 -9.8 58401 -113.3 -10.0 58402 -113.1 -10.0 58403 -112.9 -10.0 58404 -112.8 -10.1 58405 -112.7 -10.2 58406 -112.5 -10.4 58407 -112.3 -10.4 58408 -112.0 -10.2 58409 -111.7 -10.1 58410 -111.6 -10.1 58411 -111.4 -10.1 58412 -111.2 -10.0 58413 -111.0 -9.7 58414 -110.9 -9.4 58415 -110.9 -9.1 58416 -111.0 -9.1 58417 -111.1 -9.3 58418 -111.0 -9.5 58419 -111.0 -9.6 58420 -111.0 -9.5 58421 -111.0 -9.4 58422 -110.9 -9.2 58423 -110.6 -9.2 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58429 0.342 0.367 0.159 0.141 58430 0.341 0.367 0.166 0.141 58431 0.337 0.367 0.176 0.141 58432 0.331 0.128 0.186 0.160 58433 0.324 0.291 0.194 0.237 58434 0.317 0.291 0.200 0.237 58435 0.311 0.291 0.201 0.237 58436 0.307 0.289 0.197 0.207 58437 0.306 0.289 0.186 0.207 58438 0.307 0.289 0.169 0.207 58439 0.310 0.288 0.147 0.188 58440 0.316 0.320 0.121 0.134 58441 0.323 0.320 0.091 0.134 58442 0.331 0.347 0.060 0.046 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 58393 0.11 0.22 58394 0.15 0.24 58395 0.19 0.26 58396 0.23 0.27 58397 0.23 0.28 58398 0.21 0.29 58399 0.18 0.29 58400 0.16 0.30 58401 0.21 0.29 58402 0.27 0.28 58403 0.34 0.28 58404 0.32 0.28 58405 0.27 0.28 58406 0.22 0.29 58407 0.17 0.29 58408 0.18 0.28 58409 0.22 0.28 58410 0.25 0.27 58411 0.29 0.26 58412 0.32 0.25 58413 0.35 0.24 58414 0.39 0.23 58415 0.38 0.23 58416 0.37 0.22 58417 0.36 0.22 58418 0.35 0.21 58419 0.34 0.20 58420 0.33 0.20 58421 0.32 0.20 58422 0.32 0.18 58423 0.33 0.17 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).