********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 23 August 2018 Vol. XXXI No. 034 ______________________________________________________________________ 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 = +0.1 seconds beginning 15 Mar 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. * * * * We are currently not able to receive email at * * ser7@maia.usno.navy.mil. Questions and enquiries can now be * * directed to the following email account: navobsy_eop.fct@navy.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 8 17 58347 0.20479 .00009 0.38477 .00009 0.064744 0.000015 18 8 18 58348 0.20523 .00009 0.38330 .00009 0.064485 0.000019 18 8 19 58349 0.20577 .00009 0.38196 .00009 0.064405 0.000020 18 8 20 58350 0.20638 .00009 0.38097 .00009 0.064434 0.000009 18 8 21 58351 0.20717 .00009 0.38020 .00009 0.064546 0.000010 18 8 22 58352 0.20800 .00009 0.37940 .00009 0.064708 0.000010 18 8 23 58353 0.20870 .00009 0.37849 .00009 0.064870 0.000010 _______________________________________________________________________ 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 = 0.1133 + 0.1105 cos A + 0.0016 sin A - 0.0110 cos C + 0.0150 sin C y = 0.3553 + 0.0062 cos A - 0.1058 sin A + 0.0150 cos C + 0.0110 sin C UT1-UTC = 0.0305 - 0.00068 (MJD - 58361) - (UT2-UT1) where A = 2*pi*(MJD-58353)/365.25 and C = 2*pi*(MJD-58353)/435. TAI-UTC(MJD 58354) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58353)**0.80 S t = 0.00025 (MJD-58353)**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 8 24 58354 0.2092 0.3775 0.06503 2018 8 25 58355 0.2096 0.3765 0.06513 2018 8 26 58356 0.2098 0.3754 0.06512 2018 8 27 58357 0.2101 0.3743 0.06496 2018 8 28 58358 0.2103 0.3731 0.06467 2018 8 29 58359 0.2105 0.3719 0.06428 2018 8 30 58360 0.2106 0.3707 0.06384 2018 8 31 58361 0.2107 0.3694 0.06338 2018 9 1 58362 0.2108 0.3681 0.06293 2018 9 2 58363 0.2108 0.3667 0.06248 2018 9 3 58364 0.2108 0.3654 0.06209 2018 9 4 58365 0.2107 0.3641 0.06176 2018 9 5 58366 0.2106 0.3628 0.06145 2018 9 6 58367 0.2105 0.3615 0.06111 2018 9 7 58368 0.2103 0.3602 0.06068 2018 9 8 58369 0.2101 0.3588 0.06006 2018 9 9 58370 0.2100 0.3575 0.05925 2018 9 10 58371 0.2098 0.3562 0.05824 2018 9 11 58372 0.2097 0.3549 0.05712 2018 9 12 58373 0.2095 0.3535 0.05599 2018 9 13 58374 0.2093 0.3523 0.05495 2018 9 14 58375 0.2090 0.3510 0.05405 2018 9 15 58376 0.2087 0.3497 0.05330 2018 9 16 58377 0.2084 0.3484 0.05270 2018 9 17 58378 0.2080 0.3471 0.05220 2018 9 18 58379 0.2076 0.3458 0.05175 2018 9 19 58380 0.2072 0.3445 0.05131 2018 9 20 58381 0.2067 0.3432 0.05083 2018 9 21 58382 0.2063 0.3420 0.05027 2018 9 22 58383 0.2058 0.3407 0.04959 2018 9 23 58384 0.2052 0.3394 0.04877 2018 9 24 58385 0.2046 0.3382 0.04782 2018 9 25 58386 0.2040 0.3369 0.04673 2018 9 26 58387 0.2034 0.3357 0.04555 2018 9 27 58388 0.2028 0.3345 0.04433 2018 9 28 58389 0.2021 0.3332 0.04313 2018 9 29 58390 0.2014 0.3320 0.04202 2018 9 30 58391 0.2007 0.3308 0.04102 2018 10 1 58392 0.1999 0.3296 0.04014 2018 10 2 58393 0.1991 0.3284 0.03935 2018 10 3 58394 0.1983 0.3272 0.03858 2018 10 4 58395 0.1975 0.3261 0.03778 2018 10 5 58396 0.1967 0.3249 0.03685 2018 10 6 58397 0.1958 0.3238 0.03576 2018 10 7 58398 0.1949 0.3226 0.03448 2018 10 8 58399 0.1940 0.3215 0.03306 2018 10 9 58400 0.1931 0.3204 0.03159 2018 10 10 58401 0.1921 0.3193 0.03016 2018 10 11 58402 0.1911 0.3183 0.02884 2018 10 12 58403 0.1901 0.3172 0.02767 2018 10 13 58404 0.1891 0.3161 0.02667 2018 10 14 58405 0.1881 0.3151 0.02581 2018 10 15 58406 0.1870 0.3141 0.02504 2018 10 16 58407 0.1859 0.3131 0.02433 2018 10 17 58408 0.1848 0.3121 0.02362 2018 10 18 58409 0.1837 0.3112 0.02286 2018 10 19 58410 0.1825 0.3102 0.02200 2018 10 20 58411 0.1813 0.3093 0.02102 2018 10 21 58412 0.1801 0.3084 0.01991 2018 10 22 58413 0.1789 0.3075 0.01868 2018 10 23 58414 0.1777 0.3066 0.01734 2018 10 24 58415 0.1765 0.3057 0.01594 2018 10 25 58416 0.1752 0.3049 0.01454 2018 10 26 58417 0.1739 0.3040 0.01320 2018 10 27 58418 0.1726 0.3032 0.01197 2018 10 28 58419 0.1713 0.3025 0.01086 2018 10 29 58420 0.1700 0.3017 0.00986 2018 10 30 58421 0.1686 0.3009 0.00890 2018 10 31 58422 0.1673 0.3002 0.00793 2018 11 1 58423 0.1659 0.2995 0.00687 2018 11 2 58424 0.1645 0.2988 0.00567 2018 11 3 58425 0.1631 0.2982 0.00430 2018 11 4 58426 0.1617 0.2975 0.00281 2018 11 5 58427 0.1603 0.2969 0.00125 2018 11 6 58428 0.1588 0.2963 -0.00030 2018 11 7 58429 0.1574 0.2957 -0.00176 2018 11 8 58430 0.1559 0.2952 -0.00305 2018 11 9 58431 0.1544 0.2946 -0.00416 2018 11 10 58432 0.1529 0.2941 -0.00509 2018 11 11 58433 0.1514 0.2936 -0.00587 2018 11 12 58434 0.1499 0.2932 -0.00655 2018 11 13 58435 0.1484 0.2927 -0.00719 2018 11 14 58436 0.1469 0.2923 -0.00783 2018 11 15 58437 0.1453 0.2919 -0.00853 2018 11 16 58438 0.1438 0.2915 -0.00932 2018 11 17 58439 0.1422 0.2912 -0.01022 2018 11 18 58440 0.1407 0.2909 -0.01124 2018 11 19 58441 0.1391 0.2905 -0.01236 2018 11 20 58442 0.1375 0.2903 -0.01356 2018 11 21 58443 0.1359 0.2900 -0.01479 2018 11 22 58444 0.1344 0.2898 -0.01598 2018 11 23 58445 0.1328 0.2896 -0.01708 2018 11 24 58446 0.1312 0.2894 -0.01805 2018 11 25 58447 0.1296 0.2892 -0.01888 2018 11 26 58448 0.1280 0.2891 -0.01963 2018 11 27 58449 0.1264 0.2890 -0.02036 2018 11 28 58450 0.1248 0.2889 -0.02115 2018 11 29 58451 0.1232 0.2888 -0.02205 2018 11 30 58452 0.1215 0.2888 -0.02308 2018 12 1 58453 0.1199 0.2888 -0.02422 2018 12 2 58454 0.1183 0.2888 -0.02543 2018 12 3 58455 0.1167 0.2888 -0.02663 2018 12 4 58456 0.1151 0.2889 -0.02776 2018 12 5 58457 0.1135 0.2890 -0.02875 2018 12 6 58458 0.1119 0.2891 -0.02958 2018 12 7 58459 0.1103 0.2892 -0.03024 2018 12 8 58460 0.1087 0.2894 -0.03076 2018 12 9 58461 0.1071 0.2895 -0.03117 2018 12 10 58462 0.1055 0.2898 -0.03159 2018 12 11 58463 0.1039 0.2900 -0.03201 2018 12 12 58464 0.1023 0.2902 -0.03247 2018 12 13 58465 0.1007 0.2905 -0.03301 2018 12 14 58466 0.0991 0.2908 -0.03365 2018 12 15 58467 0.0976 0.2911 -0.03442 2018 12 16 58468 0.0960 0.2915 -0.03530 2018 12 17 58469 0.0945 0.2919 -0.03626 2018 12 18 58470 0.0929 0.2923 -0.03729 2018 12 19 58471 0.0914 0.2927 -0.03832 2018 12 20 58472 0.0898 0.2931 -0.03931 2018 12 21 58473 0.0883 0.2936 -0.04019 2018 12 22 58474 0.0868 0.2941 -0.04096 2018 12 23 58475 0.0853 0.2946 -0.04163 2018 12 24 58476 0.0838 0.2952 -0.04226 2018 12 25 58477 0.0823 0.2957 -0.04294 2018 12 26 58478 0.0808 0.2963 -0.04373 2018 12 27 58479 0.0794 0.2969 -0.04467 2018 12 28 58480 0.0779 0.2975 -0.04574 2018 12 29 58481 0.0765 0.2982 -0.04688 2018 12 30 58482 0.0751 0.2989 -0.04802 2018 12 31 58483 0.0736 0.2996 -0.04909 2019 1 1 58484 0.0723 0.3003 -0.05003 2019 1 2 58485 0.0709 0.3010 -0.05081 2019 1 3 58486 0.0695 0.3018 -0.05142 2019 1 4 58487 0.0682 0.3026 -0.05189 2019 1 5 58488 0.0668 0.3034 -0.05224 2019 1 6 58489 0.0655 0.3042 -0.05253 2019 1 7 58490 0.0642 0.3050 -0.05281 2019 1 8 58491 0.0629 0.3059 -0.05311 2019 1 9 58492 0.0616 0.3068 -0.05348 2019 1 10 58493 0.0604 0.3077 -0.05396 2019 1 11 58494 0.0591 0.3086 -0.05455 2019 1 12 58495 0.0579 0.3095 -0.05525 2019 1 13 58496 0.0567 0.3105 -0.05604 2019 1 14 58497 0.0556 0.3115 -0.05690 2019 1 15 58498 0.0544 0.3125 -0.05778 2019 1 16 58499 0.0533 0.3135 -0.05864 2019 1 17 58500 0.0521 0.3145 -0.05943 2019 1 18 58501 0.0510 0.3156 -0.06014 2019 1 19 58502 0.0500 0.3166 -0.06075 2019 1 20 58503 0.0489 0.3177 -0.06131 2019 1 21 58504 0.0479 0.3188 -0.06191 2019 1 22 58505 0.0469 0.3199 -0.06263 2019 1 23 58506 0.0459 0.3211 -0.06352 2019 1 24 58507 0.0449 0.3222 -0.06458 2019 1 25 58508 0.0440 0.3234 -0.06577 2019 1 26 58509 0.0430 0.3245 -0.06699 2019 1 27 58510 0.0422 0.3257 -0.06815 2019 1 28 58511 0.0413 0.3269 -0.06918 2019 1 29 58512 0.0404 0.3282 -0.07005 2019 1 30 58513 0.0396 0.3294 -0.07074 2019 1 31 58514 0.0388 0.3306 -0.07128 2019 2 1 58515 0.0380 0.3319 -0.07171 2019 2 2 58516 0.0373 0.3332 -0.07207 2019 2 3 58517 0.0366 0.3344 -0.07242 2019 2 4 58518 0.0359 0.3357 -0.07280 2019 2 5 58519 0.0352 0.3370 -0.07325 2019 2 6 58520 0.0345 0.3384 -0.07381 2019 2 7 58521 0.0339 0.3397 -0.07450 2019 2 8 58522 0.0333 0.3410 -0.07530 2019 2 9 58523 0.0328 0.3424 -0.07622 2019 2 10 58524 0.0322 0.3437 -0.07720 2019 2 11 58525 0.0317 0.3451 -0.07822 2019 2 12 58526 0.0312 0.3465 -0.07924 2019 2 13 58527 0.0308 0.3478 -0.08021 2019 2 14 58528 0.0303 0.3492 -0.08110 2019 2 15 58529 0.0299 0.3506 -0.08192 2019 2 16 58530 0.0295 0.3520 -0.08268 2019 2 17 58531 0.0292 0.3534 -0.08346 2019 2 18 58532 0.0289 0.3548 -0.08433 2019 2 19 58533 0.0286 0.3562 -0.08539 2019 2 20 58534 0.0283 0.3577 -0.08664 2019 2 21 58535 0.0281 0.3591 -0.08808 2019 2 22 58536 0.0279 0.3605 -0.08961 2019 2 23 58537 0.0277 0.3620 -0.09110 2019 2 24 58538 0.0275 0.3634 -0.09247 2019 2 25 58539 0.0274 0.3648 -0.09364 2019 2 26 58540 0.0273 0.3663 -0.09458 2019 2 27 58541 0.0273 0.3677 -0.09530 2019 2 28 58542 0.0272 0.3692 -0.09585 2019 3 1 58543 0.0272 0.3706 -0.09627 2019 3 2 58544 0.0273 0.3721 -0.09662 2019 3 3 58545 0.0273 0.3735 -0.09696 2019 3 4 58546 0.0274 0.3750 -0.09735 2019 3 5 58547 0.0275 0.3764 -0.09782 2019 3 6 58548 0.0276 0.3778 -0.09842 2019 3 7 58549 0.0278 0.3793 -0.09915 2019 3 8 58550 0.0280 0.3807 -0.10000 2019 3 9 58551 0.0282 0.3822 -0.10095 2019 3 10 58552 0.0285 0.3836 -0.10195 2019 3 11 58553 0.0288 0.3850 -0.10296 2019 3 12 58554 0.0291 0.3865 -0.10394 2019 3 13 58555 0.0294 0.3879 -0.10486 2019 3 14 58556 0.0298 0.3893 -0.10573 2019 3 15 58557 0.0302 0.3907 -0.10657 2019 3 16 58558 0.0306 0.3921 -0.10745 2019 3 17 58559 0.0310 0.3936 -0.10845 2019 3 18 58560 0.0315 0.3949 -0.10965 2019 3 19 58561 0.0320 0.3963 -0.11113 2019 3 20 58562 0.0326 0.3977 -0.11288 2019 3 21 58563 0.0331 0.3991 -0.11485 2019 3 22 58564 0.0337 0.4005 -0.11692 2019 3 23 58565 0.0343 0.4018 -0.11898 2019 3 24 58566 0.0350 0.4032 -0.12093 2019 3 25 58567 0.0357 0.4045 -0.12272 2019 3 26 58568 0.0364 0.4059 -0.12433 2019 3 27 58569 0.0371 0.4072 -0.12579 2019 3 28 58570 0.0378 0.4085 -0.12712 2019 3 29 58571 0.0386 0.4098 -0.12835 2019 3 30 58572 0.0394 0.4111 -0.12951 2019 3 31 58573 0.0402 0.4124 -0.13066 2019 4 1 58574 0.0411 0.4136 -0.13185 2019 4 2 58575 0.0420 0.4149 -0.13308 2019 4 3 58576 0.0429 0.4161 -0.13436 2019 4 4 58577 0.0438 0.4173 -0.13568 2019 4 5 58578 0.0448 0.4186 -0.13705 2019 4 6 58579 0.0457 0.4197 -0.13843 2019 4 7 58580 0.0467 0.4209 -0.13971 2019 4 8 58581 0.0478 0.4221 -0.14091 2019 4 9 58582 0.0488 0.4233 -0.14196 2019 4 10 58583 0.0499 0.4244 -0.14287 2019 4 11 58584 0.0510 0.4255 -0.14365 2019 4 12 58585 0.0521 0.4266 -0.14432 2019 4 13 58586 0.0532 0.4277 -0.14498 2019 4 14 58587 0.0544 0.4288 -0.14578 2019 4 15 58588 0.0556 0.4298 -0.14676 2019 4 16 58589 0.0568 0.4309 -0.14788 2019 4 17 58590 0.0580 0.4319 -0.14920 2019 4 18 58591 0.0592 0.4329 -0.15059 2019 4 19 58592 0.0605 0.4339 -0.15200 2019 4 20 58593 0.0618 0.4349 -0.15335 2019 4 21 58594 0.0631 0.4358 -0.15443 2019 4 22 58595 0.0644 0.4367 -0.15530 2019 4 23 58596 0.0657 0.4376 -0.15598 2019 4 24 58597 0.0671 0.4385 -0.15659 2019 4 25 58598 0.0685 0.4394 -0.15714 2019 4 26 58599 0.0699 0.4402 -0.15772 2019 4 27 58600 0.0713 0.4411 -0.15838 2019 4 28 58601 0.0727 0.4419 -0.15914 2019 4 29 58602 0.0741 0.4427 -0.15995 2019 4 30 58603 0.0756 0.4434 -0.16091 2019 5 1 58604 0.0771 0.4442 -0.16200 2019 5 2 58605 0.0786 0.4449 -0.16318 2019 5 3 58606 0.0801 0.4456 -0.16436 2019 5 4 58607 0.0816 0.4463 -0.16556 2019 5 5 58608 0.0831 0.4469 -0.16670 2019 5 6 58609 0.0846 0.4475 -0.16771 2019 5 7 58610 0.0862 0.4481 -0.16859 2019 5 8 58611 0.0877 0.4487 -0.16937 2019 5 9 58612 0.0893 0.4493 -0.17007 2019 5 10 58613 0.0909 0.4498 -0.17072 2019 5 11 58614 0.0925 0.4503 -0.17147 2019 5 12 58615 0.0941 0.4508 -0.17240 2019 5 13 58616 0.0957 0.4513 -0.17347 2019 5 14 58617 0.0974 0.4517 -0.17469 2019 5 15 58618 0.0990 0.4521 -0.17606 2019 5 16 58619 0.1006 0.4525 -0.17747 2019 5 17 58620 0.1023 0.4529 -0.17881 2019 5 18 58621 0.1039 0.4532 -0.18007 2019 5 19 58622 0.1056 0.4535 -0.18117 2019 5 20 58623 0.1073 0.4538 -0.18210 2019 5 21 58624 0.1089 0.4541 -0.18286 2019 5 22 58625 0.1106 0.4543 -0.18351 2019 5 23 58626 0.1123 0.4545 -0.18408 2019 5 24 58627 0.1140 0.4547 -0.18461 2019 5 25 58628 0.1157 0.4549 -0.18518 2019 5 26 58629 0.1174 0.4550 -0.18583 2019 5 27 58630 0.1191 0.4551 -0.18654 2019 5 28 58631 0.1208 0.4552 -0.18729 2019 5 29 58632 0.1225 0.4553 -0.18808 2019 5 30 58633 0.1242 0.4553 -0.18890 2019 5 31 58634 0.1259 0.4553 -0.18975 2019 6 1 58635 0.1276 0.4553 -0.19051 2019 6 2 58636 0.1293 0.4553 -0.19116 2019 6 3 58637 0.1310 0.4552 -0.19168 2019 6 4 58638 0.1327 0.4551 -0.19199 2019 6 5 58639 0.1344 0.4550 -0.19213 2019 6 6 58640 0.1361 0.4548 -0.19219 2019 6 7 58641 0.1378 0.4546 -0.19233 2019 6 8 58642 0.1395 0.4545 -0.19262 2019 6 9 58643 0.1411 0.4542 -0.19304 2019 6 10 58644 0.1428 0.4540 -0.19359 2019 6 11 58645 0.1445 0.4537 -0.19425 2019 6 12 58646 0.1462 0.4534 -0.19502 2019 6 13 58647 0.1478 0.4531 -0.19581 2019 6 14 58648 0.1495 0.4527 -0.19647 2019 6 15 58649 0.1511 0.4523 -0.19694 2019 6 16 58650 0.1528 0.4519 -0.19726 2019 6 17 58651 0.1544 0.4515 -0.19742 2019 6 18 58652 0.1560 0.4511 -0.19744 2019 6 19 58653 0.1576 0.4506 -0.19733 2019 6 20 58654 0.1592 0.4501 -0.19714 2019 6 21 58655 0.1608 0.4496 -0.19694 2019 6 22 58656 0.1624 0.4490 -0.19677 2019 6 23 58657 0.1640 0.4484 -0.19668 2019 6 24 58658 0.1655 0.4478 -0.19663 2019 6 25 58659 0.1671 0.4472 -0.19667 2019 6 26 58660 0.1686 0.4466 -0.19680 2019 6 27 58661 0.1701 0.4459 -0.19697 2019 6 28 58662 0.1716 0.4452 -0.19713 2019 6 29 58663 0.1731 0.4445 -0.19720 2019 6 30 58664 0.1746 0.4438 -0.19717 2019 7 1 58665 0.1761 0.4430 -0.19704 2019 7 2 58666 0.1775 0.4422 -0.19678 2019 7 3 58667 0.1790 0.4414 -0.19653 2019 7 4 58668 0.1804 0.4406 -0.19631 2019 7 5 58669 0.1818 0.4397 -0.19621 2019 7 6 58670 0.1832 0.4389 -0.19630 2019 7 7 58671 0.1845 0.4380 -0.19659 2019 7 8 58672 0.1859 0.4371 -0.19700 2019 7 9 58673 0.1872 0.4361 -0.19752 2019 7 10 58674 0.1885 0.4352 -0.19804 2019 7 11 58675 0.1898 0.4342 -0.19839 2019 7 12 58676 0.1911 0.4332 -0.19855 2019 7 13 58677 0.1923 0.4322 -0.19854 2019 7 14 58678 0.1936 0.4311 -0.19831 2019 7 15 58679 0.1948 0.4301 -0.19790 2019 7 16 58680 0.1960 0.4290 -0.19737 2019 7 17 58681 0.1971 0.4279 -0.19673 2019 7 18 58682 0.1983 0.4268 -0.19609 2019 7 19 58683 0.1994 0.4257 -0.19550 2019 7 20 58684 0.2005 0.4246 -0.19496 2019 7 21 58685 0.2016 0.4234 -0.19451 2019 7 22 58686 0.2026 0.4222 -0.19414 2019 7 23 58687 0.2036 0.4210 -0.19386 2019 7 24 58688 0.2046 0.4198 -0.19364 2019 7 25 58689 0.2056 0.4186 -0.19343 2019 7 26 58690 0.2066 0.4173 -0.19316 2019 7 27 58691 0.2075 0.4161 -0.19285 2019 7 28 58692 0.2084 0.4148 -0.19244 2019 7 29 58693 0.2093 0.4135 -0.19194 2019 7 30 58694 0.2101 0.4122 -0.19142 2019 7 31 58695 0.2110 0.4109 -0.19096 2019 8 1 58696 0.2118 0.4096 -0.19074 2019 8 2 58697 0.2125 0.4083 -0.19075 2019 8 3 58698 0.2133 0.4069 -0.19102 2019 8 4 58699 0.2140 0.4056 -0.19140 2019 8 5 58700 0.2147 0.4042 -0.19187 2019 8 6 58701 0.2154 0.4028 -0.19231 2019 8 7 58702 0.2160 0.4014 -0.19269 2019 8 8 58703 0.2166 0.4000 -0.19293 2019 8 9 58704 0.2172 0.3986 -0.19298 2019 8 10 58705 0.2177 0.3972 -0.19290 2019 8 11 58706 0.2183 0.3957 -0.19268 2019 8 12 58707 0.2187 0.3943 -0.19242 2019 8 13 58708 0.2192 0.3928 -0.19219 2019 8 14 58709 0.2196 0.3914 -0.19194 2019 8 15 58710 0.2201 0.3899 -0.19174 2019 8 16 58711 0.2204 0.3885 -0.19156 2019 8 17 58712 0.2208 0.3870 -0.19153 2019 8 18 58713 0.2211 0.3855 -0.19161 2019 8 19 58714 0.2214 0.3840 -0.19180 2019 8 20 58715 0.2216 0.3825 -0.19208 2019 8 21 58716 0.2219 0.3810 -0.19238 2019 8 22 58717 0.2221 0.3795 -0.19267 2019 8 23 58718 0.2222 0.3780 -0.19291 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) 58331 -112.88 0.26 -11.54 0.08 58332 -112.90 0.26 -11.49 0.08 58333 -113.09 0.26 -11.43 0.08 58334 -113.57 0.38 -11.46 0.07 58335 -114.13 0.32 -11.56 0.09 58336 -114.48 0.32 -11.62 0.09 58337 -114.60 0.26 -11.64 0.10 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58331 -0.091 0.104 0.033 0.082 58332 -0.091 0.104 0.026 0.082 58333 -0.093 0.104 0.023 0.082 58334 -0.094 0.150 0.027 0.067 58335 -0.096 0.127 0.037 0.085 58336 -0.097 0.127 0.051 0.085 58337 -0.098 0.105 0.068 0.097 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).