********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 16 August 2018 Vol. XXXI No. 033 ______________________________________________________________________ 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 10 58340 0.20133 .00009 0.39462 .00009 0.068199 0.000014 18 8 11 58341 0.20210 .00009 0.39302 .00009 0.067973 0.000014 18 8 12 58342 0.20307 .00009 0.39148 .00009 0.067539 0.000014 18 8 13 58343 0.20384 .00009 0.39009 .00009 0.066958 0.000016 18 8 14 58344 0.20422 .00009 0.38881 .00009 0.066339 0.000017 18 8 15 58345 0.20436 .00009 0.38750 .00009 0.065722 0.000017 18 8 16 58346 0.20446 .00009 0.38617 .00009 0.065119 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 = 0.1115 + 0.1116 cos A + 0.0163 sin A - 0.0137 cos C + 0.0116 sin C y = 0.3540 + 0.0199 cos A - 0.1066 sin A + 0.0116 cos C + 0.0137 sin C UT1-UTC = 0.0347 - 0.00069 (MJD - 58354) - (UT2-UT1) where A = 2*pi*(MJD-58346)/365.25 and C = 2*pi*(MJD-58346)/435. TAI-UTC(MJD 58347) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58346)**0.80 S t = 0.00025 (MJD-58346)**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 17 58347 0.2046 0.3848 0.06463 2018 8 18 58348 0.2047 0.3834 0.06430 2018 8 19 58349 0.2049 0.3820 0.06415 2018 8 20 58350 0.2052 0.3806 0.06412 2018 8 21 58351 0.2054 0.3792 0.06417 2018 8 22 58352 0.2056 0.3779 0.06426 2018 8 23 58353 0.2057 0.3767 0.06435 2018 8 24 58354 0.2058 0.3754 0.06441 2018 8 25 58355 0.2059 0.3741 0.06438 2018 8 26 58356 0.2060 0.3728 0.06424 2018 8 27 58357 0.2060 0.3715 0.06398 2018 8 28 58358 0.2060 0.3703 0.06357 2018 8 29 58359 0.2060 0.3690 0.06305 2018 8 30 58360 0.2060 0.3676 0.06244 2018 8 31 58361 0.2060 0.3663 0.06177 2018 9 1 58362 0.2059 0.3650 0.06111 2018 9 2 58363 0.2059 0.3636 0.06051 2018 9 3 58364 0.2058 0.3623 0.05998 2018 9 4 58365 0.2057 0.3610 0.05951 2018 9 5 58366 0.2055 0.3597 0.05909 2018 9 6 58367 0.2053 0.3584 0.05863 2018 9 7 58368 0.2051 0.3571 0.05805 2018 9 8 58369 0.2048 0.3558 0.05728 2018 9 9 58370 0.2046 0.3545 0.05630 2018 9 10 58371 0.2043 0.3532 0.05515 2018 9 11 58372 0.2040 0.3519 0.05389 2018 9 12 58373 0.2036 0.3507 0.05263 2018 9 13 58374 0.2033 0.3494 0.05147 2018 9 14 58375 0.2029 0.3481 0.05045 2018 9 15 58376 0.2025 0.3469 0.04961 2018 9 16 58377 0.2020 0.3457 0.04892 2018 9 17 58378 0.2016 0.3444 0.04837 2018 9 18 58379 0.2011 0.3432 0.04791 2018 9 19 58380 0.2006 0.3420 0.04752 2018 9 20 58381 0.2001 0.3407 0.04712 2018 9 21 58382 0.1995 0.3395 0.04667 2018 9 22 58383 0.1989 0.3383 0.04613 2018 9 23 58384 0.1983 0.3371 0.04548 2018 9 24 58385 0.1977 0.3359 0.04471 2018 9 25 58386 0.1970 0.3348 0.04381 2018 9 26 58387 0.1963 0.3336 0.04281 2018 9 27 58388 0.1956 0.3324 0.04177 2018 9 28 58389 0.1949 0.3313 0.04073 2018 9 29 58390 0.1942 0.3302 0.03974 2018 9 30 58391 0.1934 0.3290 0.03883 2018 10 1 58392 0.1926 0.3279 0.03801 2018 10 2 58393 0.1918 0.3268 0.03725 2018 10 3 58394 0.1909 0.3257 0.03648 2018 10 4 58395 0.1901 0.3247 0.03565 2018 10 5 58396 0.1892 0.3236 0.03467 2018 10 6 58397 0.1883 0.3225 0.03351 2018 10 7 58398 0.1873 0.3215 0.03216 2018 10 8 58399 0.1864 0.3205 0.03067 2018 10 9 58400 0.1854 0.3195 0.02913 2018 10 10 58401 0.1844 0.3185 0.02763 2018 10 11 58402 0.1834 0.3175 0.02625 2018 10 12 58403 0.1824 0.3166 0.02504 2018 10 13 58404 0.1813 0.3156 0.02402 2018 10 14 58405 0.1803 0.3147 0.02315 2018 10 15 58406 0.1792 0.3138 0.02240 2018 10 16 58407 0.1781 0.3129 0.02171 2018 10 17 58408 0.1769 0.3120 0.02103 2018 10 18 58409 0.1758 0.3111 0.02030 2018 10 19 58410 0.1746 0.3103 0.01948 2018 10 20 58411 0.1734 0.3094 0.01854 2018 10 21 58412 0.1722 0.3086 0.01746 2018 10 22 58413 0.1710 0.3078 0.01626 2018 10 23 58414 0.1698 0.3070 0.01494 2018 10 24 58415 0.1685 0.3063 0.01355 2018 10 25 58416 0.1673 0.3055 0.01216 2018 10 26 58417 0.1660 0.3048 0.01083 2018 10 27 58418 0.1647 0.3041 0.00961 2018 10 28 58419 0.1634 0.3034 0.00853 2018 10 29 58420 0.1621 0.3028 0.00755 2018 10 30 58421 0.1607 0.3021 0.00664 2018 10 31 58422 0.1594 0.3015 0.00572 2018 11 1 58423 0.1580 0.3009 0.00472 2018 11 2 58424 0.1566 0.3003 0.00358 2018 11 3 58425 0.1552 0.2997 0.00229 2018 11 4 58426 0.1538 0.2992 0.00088 2018 11 5 58427 0.1524 0.2987 -0.00060 2018 11 6 58428 0.1510 0.2982 -0.00206 2018 11 7 58429 0.1496 0.2977 -0.00343 2018 11 8 58430 0.1481 0.2973 -0.00464 2018 11 9 58431 0.1467 0.2968 -0.00566 2018 11 10 58432 0.1452 0.2964 -0.00652 2018 11 11 58433 0.1437 0.2960 -0.00723 2018 11 12 58434 0.1423 0.2956 -0.00784 2018 11 13 58435 0.1408 0.2953 -0.00840 2018 11 14 58436 0.1393 0.2950 -0.00898 2018 11 15 58437 0.1378 0.2947 -0.00962 2018 11 16 58438 0.1363 0.2944 -0.01035 2018 11 17 58439 0.1348 0.2941 -0.01121 2018 11 18 58440 0.1332 0.2939 -0.01217 2018 11 19 58441 0.1317 0.2937 -0.01325 2018 11 20 58442 0.1302 0.2935 -0.01440 2018 11 21 58443 0.1286 0.2933 -0.01558 2018 11 22 58444 0.1271 0.2932 -0.01673 2018 11 23 58445 0.1256 0.2931 -0.01779 2018 11 24 58446 0.1240 0.2930 -0.01871 2018 11 25 58447 0.1225 0.2929 -0.01951 2018 11 26 58448 0.1209 0.2929 -0.02022 2018 11 27 58449 0.1194 0.2928 -0.02092 2018 11 28 58450 0.1178 0.2928 -0.02169 2018 11 29 58451 0.1163 0.2928 -0.02257 2018 11 30 58452 0.1147 0.2929 -0.02360 2018 12 1 58453 0.1132 0.2930 -0.02476 2018 12 2 58454 0.1116 0.2931 -0.02598 2018 12 3 58455 0.1101 0.2932 -0.02728 2018 12 4 58456 0.1085 0.2933 -0.02849 2018 12 5 58457 0.1070 0.2935 -0.02958 2018 12 6 58458 0.1055 0.2937 -0.03051 2018 12 7 58459 0.1039 0.2939 -0.03126 2018 12 8 58460 0.1024 0.2941 -0.03188 2018 12 9 58461 0.1009 0.2943 -0.03238 2018 12 10 58462 0.0993 0.2946 -0.03282 2018 12 11 58463 0.0978 0.2949 -0.03325 2018 12 12 58464 0.0963 0.2953 -0.03372 2018 12 13 58465 0.0948 0.2956 -0.03428 2018 12 14 58466 0.0933 0.2960 -0.03493 2018 12 15 58467 0.0918 0.2964 -0.03571 2018 12 16 58468 0.0903 0.2968 -0.03658 2018 12 17 58469 0.0889 0.2972 -0.03755 2018 12 18 58470 0.0874 0.2977 -0.03857 2018 12 19 58471 0.0859 0.2982 -0.03959 2018 12 20 58472 0.0845 0.2987 -0.04057 2018 12 21 58473 0.0831 0.2992 -0.04144 2018 12 22 58474 0.0816 0.2997 -0.04219 2018 12 23 58475 0.0802 0.3003 -0.04283 2018 12 24 58476 0.0788 0.3009 -0.04344 2018 12 25 58477 0.0774 0.3015 -0.04410 2018 12 26 58478 0.0760 0.3022 -0.04486 2018 12 27 58479 0.0747 0.3028 -0.04577 2018 12 28 58480 0.0733 0.3035 -0.04681 2018 12 29 58481 0.0720 0.3042 -0.04792 2018 12 30 58482 0.0706 0.3049 -0.04903 2018 12 31 58483 0.0693 0.3057 -0.05006 2019 1 1 58484 0.0680 0.3064 -0.05096 2019 1 2 58485 0.0667 0.3072 -0.05171 2019 1 3 58486 0.0655 0.3080 -0.05229 2019 1 4 58487 0.0642 0.3088 -0.05272 2019 1 5 58488 0.0630 0.3097 -0.05304 2019 1 6 58489 0.0617 0.3105 -0.05330 2019 1 7 58490 0.0605 0.3114 -0.05354 2019 1 8 58491 0.0594 0.3123 -0.05381 2019 1 9 58492 0.0582 0.3132 -0.05416 2019 1 10 58493 0.0570 0.3141 -0.05461 2019 1 11 58494 0.0559 0.3151 -0.05517 2019 1 12 58495 0.0548 0.3161 -0.05585 2019 1 13 58496 0.0537 0.3170 -0.05662 2019 1 14 58497 0.0526 0.3180 -0.05745 2019 1 15 58498 0.0516 0.3191 -0.05832 2019 1 16 58499 0.0505 0.3201 -0.05916 2019 1 17 58500 0.0495 0.3211 -0.05995 2019 1 18 58501 0.0485 0.3222 -0.06064 2019 1 19 58502 0.0476 0.3233 -0.06124 2019 1 20 58503 0.0466 0.3244 -0.06180 2019 1 21 58504 0.0457 0.3255 -0.06239 2019 1 22 58505 0.0448 0.3266 -0.06310 2019 1 23 58506 0.0439 0.3278 -0.06400 2019 1 24 58507 0.0430 0.3289 -0.06507 2019 1 25 58508 0.0422 0.3301 -0.06626 2019 1 26 58509 0.0414 0.3313 -0.06749 2019 1 27 58510 0.0406 0.3325 -0.06866 2019 1 28 58511 0.0398 0.3337 -0.06971 2019 1 29 58512 0.0391 0.3349 -0.07060 2019 1 30 58513 0.0384 0.3361 -0.07131 2019 1 31 58514 0.0377 0.3374 -0.07188 2019 2 1 58515 0.0370 0.3386 -0.07234 2019 2 2 58516 0.0364 0.3399 -0.07273 2019 2 3 58517 0.0358 0.3412 -0.07311 2019 2 4 58518 0.0352 0.3424 -0.07352 2019 2 5 58519 0.0346 0.3437 -0.07400 2019 2 6 58520 0.0341 0.3450 -0.07458 2019 2 7 58521 0.0336 0.3463 -0.07529 2019 2 8 58522 0.0331 0.3477 -0.07611 2019 2 9 58523 0.0326 0.3490 -0.07703 2019 2 10 58524 0.0322 0.3503 -0.07802 2019 2 11 58525 0.0318 0.3517 -0.07903 2019 2 12 58526 0.0314 0.3530 -0.08002 2019 2 13 58527 0.0310 0.3544 -0.08095 2019 2 14 58528 0.0307 0.3557 -0.08180 2019 2 15 58529 0.0304 0.3571 -0.08254 2019 2 16 58530 0.0301 0.3585 -0.08321 2019 2 17 58531 0.0299 0.3598 -0.08386 2019 2 18 58532 0.0297 0.3612 -0.08458 2019 2 19 58533 0.0295 0.3626 -0.08545 2019 2 20 58534 0.0293 0.3640 -0.08650 2019 2 21 58535 0.0292 0.3654 -0.08770 2019 2 22 58536 0.0291 0.3668 -0.08897 2019 2 23 58537 0.0290 0.3682 -0.09021 2019 2 24 58538 0.0290 0.3696 -0.09133 2019 2 25 58539 0.0289 0.3710 -0.09228 2019 2 26 58540 0.0289 0.3724 -0.09306 2019 2 27 58541 0.0290 0.3738 -0.09368 2019 2 28 58542 0.0290 0.3752 -0.09419 2019 3 1 58543 0.0291 0.3766 -0.09465 2019 3 2 58544 0.0293 0.3780 -0.09510 2019 3 3 58545 0.0294 0.3794 -0.09561 2019 3 4 58546 0.0296 0.3808 -0.09622 2019 3 5 58547 0.0298 0.3822 -0.09698 2019 3 6 58548 0.0300 0.3836 -0.09791 2019 3 7 58549 0.0303 0.3850 -0.09902 2019 3 8 58550 0.0306 0.3863 -0.10031 2019 3 9 58551 0.0309 0.3877 -0.10174 2019 3 10 58552 0.0312 0.3891 -0.10326 2019 3 11 58553 0.0316 0.3905 -0.10482 2019 3 12 58554 0.0320 0.3918 -0.10637 2019 3 13 58555 0.0324 0.3932 -0.10787 2019 3 14 58556 0.0329 0.3946 -0.10930 2019 3 15 58557 0.0333 0.3959 -0.11065 2019 3 16 58558 0.0338 0.3973 -0.11197 2019 3 17 58559 0.0344 0.3986 -0.11331 2019 3 18 58560 0.0349 0.3999 -0.11474 2019 3 19 58561 0.0355 0.4013 -0.11631 2019 3 20 58562 0.0361 0.4026 -0.11804 2019 3 21 58563 0.0368 0.4039 -0.11988 2019 3 22 58564 0.0375 0.4052 -0.12173 2019 3 23 58565 0.0381 0.4065 -0.12348 2019 3 24 58566 0.0389 0.4077 -0.12502 2019 3 25 58567 0.0396 0.4090 -0.12631 2019 3 26 58568 0.0404 0.4103 -0.12734 2019 3 27 58569 0.0412 0.4115 -0.12818 2019 3 28 58570 0.0420 0.4127 -0.12887 2019 3 29 58571 0.0428 0.4140 -0.12945 2019 3 30 58572 0.0437 0.4152 -0.12999 2019 3 31 58573 0.0446 0.4164 -0.13061 2019 4 1 58574 0.0455 0.4176 -0.13133 2019 4 2 58575 0.0465 0.4187 -0.13207 2019 4 3 58576 0.0474 0.4199 -0.13297 2019 4 4 58577 0.0484 0.4210 -0.13393 2019 4 5 58578 0.0494 0.4222 -0.13500 2019 4 6 58579 0.0505 0.4233 -0.13614 2019 4 7 58580 0.0515 0.4244 -0.13719 2019 4 8 58581 0.0526 0.4255 -0.13818 2019 4 9 58582 0.0537 0.4265 -0.13909 2019 4 10 58583 0.0548 0.4276 -0.13998 2019 4 11 58584 0.0560 0.4286 -0.14082 2019 4 12 58585 0.0571 0.4296 -0.14168 2019 4 13 58586 0.0583 0.4306 -0.14261 2019 4 14 58587 0.0595 0.4316 -0.14369 2019 4 15 58588 0.0607 0.4326 -0.14490 2019 4 16 58589 0.0620 0.4335 -0.14634 2019 4 17 58590 0.0632 0.4344 -0.14801 2019 4 18 58591 0.0645 0.4354 -0.14980 2019 4 19 58592 0.0658 0.4363 -0.15155 2019 4 20 58593 0.0671 0.4371 -0.15322 2019 4 21 58594 0.0685 0.4380 -0.15469 2019 4 22 58595 0.0698 0.4388 -0.15592 2019 4 23 58596 0.0712 0.4396 -0.15694 2019 4 24 58597 0.0726 0.4404 -0.15783 2019 4 25 58598 0.0740 0.4412 -0.15863 2019 4 26 58599 0.0754 0.4419 -0.15936 2019 4 27 58600 0.0768 0.4427 -0.16014 2019 4 28 58601 0.0783 0.4434 -0.16103 2019 4 29 58602 0.0797 0.4441 -0.16199 2019 4 30 58603 0.0812 0.4447 -0.16303 2019 5 1 58604 0.0827 0.4454 -0.16421 2019 5 2 58605 0.0842 0.4460 -0.16546 2019 5 3 58606 0.0857 0.4466 -0.16676 2019 5 4 58607 0.0872 0.4472 -0.16814 2019 5 5 58608 0.0888 0.4477 -0.16949 2019 5 6 58609 0.0903 0.4483 -0.17078 2019 5 7 58610 0.0919 0.4488 -0.17196 2019 5 8 58611 0.0935 0.4492 -0.17304 2019 5 9 58612 0.0950 0.4497 -0.17403 2019 5 10 58613 0.0966 0.4501 -0.17496 2019 5 11 58614 0.0982 0.4506 -0.17595 2019 5 12 58615 0.0998 0.4509 -0.17708 2019 5 13 58616 0.1014 0.4513 -0.17833 2019 5 14 58617 0.1031 0.4516 -0.17970 2019 5 15 58618 0.1047 0.4520 -0.18114 2019 5 16 58619 0.1063 0.4523 -0.18260 2019 5 17 58620 0.1080 0.4525 -0.18401 2019 5 18 58621 0.1096 0.4528 -0.18521 2019 5 19 58622 0.1113 0.4530 -0.18618 2019 5 20 58623 0.1129 0.4532 -0.18693 2019 5 21 58624 0.1146 0.4533 -0.18743 2019 5 22 58625 0.1162 0.4535 -0.18773 2019 5 23 58626 0.1179 0.4536 -0.18792 2019 5 24 58627 0.1196 0.4537 -0.18815 2019 5 25 58628 0.1212 0.4538 -0.18844 2019 5 26 58629 0.1229 0.4538 -0.18880 2019 5 27 58630 0.1246 0.4538 -0.18922 2019 5 28 58631 0.1263 0.4538 -0.18973 2019 5 29 58632 0.1279 0.4538 -0.19040 2019 5 30 58633 0.1296 0.4537 -0.19118 2019 5 31 58634 0.1313 0.4536 -0.19197 2019 6 1 58635 0.1329 0.4535 -0.19272 2019 6 2 58636 0.1346 0.4534 -0.19343 2019 6 3 58637 0.1363 0.4532 -0.19404 2019 6 4 58638 0.1379 0.4531 -0.19451 2019 6 5 58639 0.1396 0.4528 -0.19483 2019 6 6 58640 0.1412 0.4526 -0.19506 2019 6 7 58641 0.1429 0.4523 -0.19528 2019 6 8 58642 0.1445 0.4521 -0.19557 2019 6 9 58643 0.1462 0.4518 -0.19601 2019 6 10 58644 0.1478 0.4514 -0.19653 2019 6 11 58645 0.1494 0.4511 -0.19717 2019 6 12 58646 0.1510 0.4507 -0.19787 2019 6 13 58647 0.1527 0.4503 -0.19854 2019 6 14 58648 0.1543 0.4498 -0.19908 2019 6 15 58649 0.1558 0.4494 -0.19940 2019 6 16 58650 0.1574 0.4489 -0.19952 2019 6 17 58651 0.1590 0.4484 -0.19946 2019 6 18 58652 0.1606 0.4478 -0.19924 2019 6 19 58653 0.1621 0.4473 -0.19901 2019 6 20 58654 0.1637 0.4467 -0.19876 2019 6 21 58655 0.1652 0.4461 -0.19855 2019 6 22 58656 0.1667 0.4455 -0.19843 2019 6 23 58657 0.1682 0.4448 -0.19841 2019 6 24 58658 0.1697 0.4442 -0.19848 2019 6 25 58659 0.1712 0.4435 -0.19869 2019 6 26 58660 0.1727 0.4427 -0.19900 2019 6 27 58661 0.1741 0.4420 -0.19929 2019 6 28 58662 0.1756 0.4412 -0.19957 2019 6 29 58663 0.1770 0.4405 -0.19979 2019 6 30 58664 0.1784 0.4397 -0.19988 2019 7 1 58665 0.1798 0.4388 -0.19980 2019 7 2 58666 0.1811 0.4380 -0.19956 2019 7 3 58667 0.1825 0.4371 -0.19919 2019 7 4 58668 0.1838 0.4362 -0.19882 2019 7 5 58669 0.1852 0.4353 -0.19855 2019 7 6 58670 0.1865 0.4344 -0.19838 2019 7 7 58671 0.1878 0.4334 -0.19838 2019 7 8 58672 0.1890 0.4324 -0.19847 2019 7 9 58673 0.1903 0.4314 -0.19862 2019 7 10 58674 0.1915 0.4304 -0.19876 2019 7 11 58675 0.1927 0.4294 -0.19879 2019 7 12 58676 0.1939 0.4284 -0.19861 2019 7 13 58677 0.1950 0.4273 -0.19826 2019 7 14 58678 0.1962 0.4262 -0.19773 2019 7 15 58679 0.1973 0.4251 -0.19705 2019 7 16 58680 0.1984 0.4240 -0.19633 2019 7 17 58681 0.1995 0.4228 -0.19564 2019 7 18 58682 0.2005 0.4217 -0.19512 2019 7 19 58683 0.2016 0.4205 -0.19471 2019 7 20 58684 0.2026 0.4193 -0.19443 2019 7 21 58685 0.2035 0.4181 -0.19418 2019 7 22 58686 0.2045 0.4169 -0.19401 2019 7 23 58687 0.2054 0.4157 -0.19389 2019 7 24 58688 0.2063 0.4144 -0.19386 2019 7 25 58689 0.2072 0.4132 -0.19389 2019 7 26 58690 0.2081 0.4119 -0.19389 2019 7 27 58691 0.2089 0.4106 -0.19388 2019 7 28 58692 0.2097 0.4093 -0.19377 2019 7 29 58693 0.2105 0.4080 -0.19361 2019 7 30 58694 0.2113 0.4066 -0.19344 2019 7 31 58695 0.2120 0.4053 -0.19324 2019 8 1 58696 0.2127 0.4040 -0.19311 2019 8 2 58697 0.2134 0.4026 -0.19308 2019 8 3 58698 0.2140 0.4012 -0.19330 2019 8 4 58699 0.2146 0.3998 -0.19371 2019 8 5 58700 0.2152 0.3984 -0.19423 2019 8 6 58701 0.2158 0.3970 -0.19477 2019 8 7 58702 0.2163 0.3956 -0.19521 2019 8 8 58703 0.2168 0.3942 -0.19550 2019 8 9 58704 0.2173 0.3928 -0.19558 2019 8 10 58705 0.2177 0.3913 -0.19548 2019 8 11 58706 0.2182 0.3899 -0.19526 2019 8 12 58707 0.2186 0.3884 -0.19493 2019 8 13 58708 0.2189 0.3870 -0.19454 2019 8 14 58709 0.2192 0.3855 -0.19418 2019 8 15 58710 0.2195 0.3840 -0.19395 2019 8 16 58711 0.2198 0.3826 -0.19385 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) 58324 -112.63 0.35 -11.86 0.08 58325 -112.59 0.35 -11.96 0.08 58326 -112.42 0.35 -11.96 0.08 58327 -112.31 0.45 -11.80 0.05 58328 -112.36 0.36 -11.60 0.07 58329 -112.51 0.36 -11.49 0.07 58330 -112.65 0.04 -11.48 0.11 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58324 -0.131 0.139 0.077 0.080 58325 -0.120 0.139 0.075 0.080 58326 -0.106 0.139 0.075 0.080 58327 -0.089 0.179 0.077 0.047 58328 -0.069 0.142 0.081 0.075 58329 -0.047 0.142 0.087 0.075 58330 -0.024 0.014 0.094 0.105 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).