********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 27 August 2026 Vol. XXXIX No. 035 ______________________________________________________________________ GENERAL INFORMATION: 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 09 April 2026 at 0000 UTC Beginning 1 January 2017: TAI-UTC = 37.000 000 seconds *********************************************************************** * ANNOUNCEMENTS: * * * * There will NOT be a leap second introduced in UTC * * at the end of December 2026. * * * * The primary source for IERS Rapid Service/Prediction Center (RS/PC) * * data products is the official IERS RS/PC website: * * https://maia.usno.navy.mil * * * * IERS RS/PC products are also available from: * * NASA CDDIS: https://cddis.nasa.gov/archive/products/iers/ * * NASA CDDIS: ftps://gdc.cddis.eosdis.nasa.gov/products/iers/ * * IERS Central Bureau: https://datacenter.iers.org/eop.php * * * * Questions about IERS RS/PC products can be emailed to: * * eopcp@us.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 26 8 21 61273 0.21855 .00009 0.34875 .00009 0.006786 0.000020 26 8 22 61274 0.21753 .00009 0.34781 .00009 0.006856 0.000020 26 8 23 61275 0.21643 .00009 0.34673 .00009 0.006987 0.000017 26 8 24 61276 0.21529 .00009 0.34566 .00009 0.007090 0.000016 26 8 25 61277 0.21422 .00009 0.34466 .00009 0.007078 0.000017 26 8 26 61278 0.21339 .00009 0.34360 .00009 0.006892 0.000015 26 8 27 61279 0.21299 .00009 0.34243 .00009 0.006462 0.000011 _______________________________________________________________________ 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 = 0.1492 + 0.1185 cos A - 0.0329 sin A - 0.0616 cos C - 0.0163 sin C y = 0.3773 - 0.0246 cos A - 0.1095 sin A - 0.0163 cos C + 0.0616 sin C UT1-UTC = -0.0660 - 0.00022 (MJD - 61287) - (UT2-UT1) where A = 2*pi*(MJD-61279)/365.25 and C = 2*pi*(MJD-61279)/435. TAI-UTC(MJD 61280) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-61279)**0.80 S t = 0.00025 (MJD-61279)**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) 2026 8 28 61280 0.2126 0.3415 0.00586 2026 8 29 61281 0.2123 0.3405 0.00506 2026 8 30 61282 0.2119 0.3396 0.00413 2026 8 31 61283 0.2113 0.3387 0.00317 2026 9 1 61284 0.2106 0.3378 0.00228 2026 9 2 61285 0.2098 0.3369 0.00157 2026 9 3 61286 0.2090 0.3361 0.00109 2026 9 4 61287 0.2082 0.3352 0.00083 2026 9 5 61288 0.2075 0.3343 0.00070 2026 9 6 61289 0.2067 0.3335 0.00059 2026 9 7 61290 0.2059 0.3326 0.00035 2026 9 8 61291 0.2052 0.3318 -0.00012 2026 9 9 61292 0.2044 0.3310 -0.00091 2026 9 10 61293 0.2036 0.3302 -0.00198 2026 9 11 61294 0.2028 0.3294 -0.00326 2026 9 12 61295 0.2020 0.3286 -0.00461 2026 9 13 61296 0.2011 0.3278 -0.00590 2026 9 14 61297 0.2003 0.3270 -0.00703 2026 9 15 61298 0.1994 0.3263 -0.00796 2026 9 16 61299 0.1985 0.3255 -0.00867 2026 9 17 61300 0.1976 0.3248 -0.00916 2026 9 18 61301 0.1966 0.3240 -0.00951 2026 9 19 61302 0.1957 0.3233 -0.00978 2026 9 20 61303 0.1947 0.3226 -0.01007 2026 9 21 61304 0.1938 0.3220 -0.01044 2026 9 22 61305 0.1928 0.3213 -0.01098 2026 9 23 61306 0.1918 0.3206 -0.01173 2026 9 24 61307 0.1908 0.3200 -0.01271 2026 9 25 61308 0.1897 0.3194 -0.01392 2026 9 26 61309 0.1887 0.3187 -0.01531 2026 9 27 61310 0.1876 0.3181 -0.01678 2026 9 28 61311 0.1865 0.3175 -0.01822 2026 9 29 61312 0.1854 0.3170 -0.01951 2026 9 30 61313 0.1843 0.3164 -0.02059 2026 10 1 61314 0.1832 0.3159 -0.02145 2026 10 2 61315 0.1821 0.3153 -0.02213 2026 10 3 61316 0.1809 0.3148 -0.02275 2026 10 4 61317 0.1798 0.3143 -0.02345 2026 10 5 61318 0.1786 0.3138 -0.02434 2026 10 6 61319 0.1774 0.3134 -0.02548 2026 10 7 61320 0.1762 0.3129 -0.02686 2026 10 8 61321 0.1750 0.3125 -0.02843 2026 10 9 61322 0.1738 0.3120 -0.03008 2026 10 10 61323 0.1726 0.3116 -0.03170 2026 10 11 61324 0.1713 0.3113 -0.03317 2026 10 12 61325 0.1701 0.3109 -0.03443 2026 10 13 61326 0.1688 0.3105 -0.03546 2026 10 14 61327 0.1675 0.3102 -0.03627 2026 10 15 61328 0.1662 0.3099 -0.03691 2026 10 16 61329 0.1650 0.3096 -0.03745 2026 10 17 61330 0.1636 0.3093 -0.03798 2026 10 18 61331 0.1623 0.3091 -0.03856 2026 10 19 61332 0.1610 0.3088 -0.03927 2026 10 20 61333 0.1597 0.3086 -0.04017 2026 10 21 61334 0.1583 0.3084 -0.04130 2026 10 22 61335 0.1570 0.3082 -0.04266 2026 10 23 61336 0.1556 0.3080 -0.04422 2026 10 24 61337 0.1543 0.3079 -0.04591 2026 10 25 61338 0.1529 0.3078 -0.04761 2026 10 26 61339 0.1515 0.3077 -0.04921 2026 10 27 61340 0.1502 0.3076 -0.05059 2026 10 28 61341 0.1488 0.3075 -0.05170 2026 10 29 61342 0.1474 0.3075 -0.05258 2026 10 30 61343 0.1460 0.3074 -0.05332 2026 10 31 61344 0.1446 0.3074 -0.05406 2026 11 1 61345 0.1432 0.3074 -0.05492 2026 11 2 61346 0.1418 0.3075 -0.05599 2026 11 3 61347 0.1404 0.3075 -0.05728 2026 11 4 61348 0.1389 0.3076 -0.05872 2026 11 5 61349 0.1375 0.3077 -0.06026 2026 11 6 61350 0.1361 0.3078 -0.06176 2026 11 7 61351 0.1347 0.3079 -0.06315 2026 11 8 61352 0.1333 0.3081 -0.06435 2026 11 9 61353 0.1318 0.3083 -0.06532 2026 11 10 61354 0.1304 0.3085 -0.06606 2026 11 11 61355 0.1290 0.3087 -0.06661 2026 11 12 61356 0.1276 0.3089 -0.06701 2026 11 13 61357 0.1261 0.3092 -0.06734 2026 11 14 61358 0.1247 0.3095 -0.06769 2026 11 15 61359 0.1233 0.3098 -0.06811 2026 11 16 61360 0.1219 0.3101 -0.06867 2026 11 17 61361 0.1205 0.3105 -0.06941 2026 11 18 61362 0.1191 0.3108 -0.07034 2026 11 19 61363 0.1177 0.3112 -0.07144 2026 11 20 61364 0.1163 0.3116 -0.07268 2026 11 21 61365 0.1149 0.3120 -0.07397 2026 11 22 61366 0.1135 0.3125 -0.07519 2026 11 23 61367 0.1121 0.3130 -0.07624 2026 11 24 61368 0.1107 0.3135 -0.07704 2026 11 25 61369 0.1093 0.3140 -0.07757 2026 11 26 61370 0.1079 0.3145 -0.07792 2026 11 27 61371 0.1066 0.3151 -0.07822 2026 11 28 61372 0.1052 0.3156 -0.07861 2026 11 29 61373 0.1039 0.3162 -0.07920 2026 11 30 61374 0.1025 0.3168 -0.08002 2026 12 1 61375 0.1012 0.3175 -0.08102 2026 12 2 61376 0.0998 0.3181 -0.08210 2026 12 3 61377 0.0985 0.3188 -0.08317 2026 12 4 61378 0.0972 0.3195 -0.08412 2026 12 5 61379 0.0959 0.3202 -0.08488 2026 12 6 61380 0.0946 0.3210 -0.08542 2026 12 7 61381 0.0934 0.3217 -0.08573 2026 12 8 61382 0.0921 0.3225 -0.08585 2026 12 9 61383 0.0908 0.3233 -0.08581 2026 12 10 61384 0.0896 0.3241 -0.08568 2026 12 11 61385 0.0884 0.3249 -0.08555 2026 12 12 61386 0.0872 0.3258 -0.08547 2026 12 13 61387 0.0859 0.3267 -0.08552 2026 12 14 61388 0.0848 0.3275 -0.08595 2026 12 15 61389 0.0836 0.3285 -0.08656 2026 12 16 61390 0.0824 0.3294 -0.08734 2026 12 17 61391 0.0813 0.3303 -0.08825 2026 12 18 61392 0.0801 0.3313 -0.08924 2026 12 19 61393 0.0790 0.3323 -0.09022 2026 12 20 61394 0.0779 0.3333 -0.09108 2026 12 21 61395 0.0768 0.3343 -0.09174 2026 12 22 61396 0.0758 0.3353 -0.09216 2026 12 23 61397 0.0747 0.3363 -0.09239 2026 12 24 61398 0.0737 0.3374 -0.09252 2026 12 25 61399 0.0727 0.3385 -0.09271 2026 12 26 61400 0.0717 0.3396 -0.09310 2026 12 27 61401 0.0707 0.3407 -0.09374 2026 12 28 61402 0.0697 0.3418 -0.09461 2026 12 29 61403 0.0688 0.3430 -0.09561 2026 12 30 61404 0.0679 0.3441 -0.09662 2026 12 31 61405 0.0670 0.3453 -0.09752 2027 1 1 61406 0.0661 0.3465 -0.09824 2027 1 2 61407 0.0652 0.3477 -0.09873 2027 1 3 61408 0.0644 0.3489 -0.09900 2027 1 4 61409 0.0636 0.3501 -0.09907 2027 1 5 61410 0.0628 0.3514 -0.09899 2027 1 6 61411 0.0620 0.3526 -0.09882 2027 1 7 61412 0.0613 0.3539 -0.09864 2027 1 8 61413 0.0605 0.3552 -0.09851 2027 1 9 61414 0.0598 0.3564 -0.09851 2027 1 10 61415 0.0591 0.3577 -0.09867 2027 1 11 61416 0.0585 0.3591 -0.09902 2027 1 12 61417 0.0578 0.3604 -0.09954 2027 1 13 61418 0.0572 0.3617 -0.10020 2027 1 14 61419 0.0566 0.3631 -0.10095 2027 1 15 61420 0.0561 0.3644 -0.10170 2027 1 16 61421 0.0555 0.3658 -0.10237 2027 1 17 61422 0.0550 0.3671 -0.10288 2027 1 18 61423 0.0545 0.3685 -0.10319 2027 1 19 61424 0.0540 0.3699 -0.10330 2027 1 20 61425 0.0536 0.3713 -0.10330 2027 1 21 61426 0.0532 0.3727 -0.10331 2027 1 22 61427 0.0528 0.3741 -0.10349 2027 1 23 61428 0.0524 0.3756 -0.10394 2027 1 24 61429 0.0521 0.3770 -0.10467 2027 1 25 61430 0.0517 0.3784 -0.10563 2027 1 26 61431 0.0515 0.3799 -0.10666 2027 1 27 61432 0.0512 0.3813 -0.10764 2027 1 28 61433 0.0510 0.3828 -0.10845 2027 1 29 61434 0.0507 0.3842 -0.10903 2027 1 30 61435 0.0506 0.3857 -0.10937 2027 1 31 61436 0.0504 0.3871 -0.10949 2027 2 1 61437 0.0503 0.3886 -0.10945 2027 2 2 61438 0.0502 0.3901 -0.10931 2027 2 3 61439 0.0501 0.3916 -0.10915 2027 2 4 61440 0.0501 0.3930 -0.10903 2027 2 5 61441 0.0500 0.3945 -0.10903 2027 2 6 61442 0.0500 0.3960 -0.10919 2027 2 7 61443 0.0501 0.3975 -0.10955 2027 2 8 61444 0.0501 0.3990 -0.11010 2027 2 9 61445 0.0502 0.4004 -0.11082 2027 2 10 61446 0.0504 0.4019 -0.11163 2027 2 11 61447 0.0505 0.4034 -0.11246 2027 2 12 61448 0.0507 0.4049 -0.11323 2027 2 13 61449 0.0509 0.4064 -0.11386 2027 2 14 61450 0.0511 0.4079 -0.11429 2027 2 15 61451 0.0514 0.4093 -0.11454 2027 2 16 61452 0.0517 0.4108 -0.11466 2027 2 17 61453 0.0520 0.4123 -0.11475 2027 2 18 61454 0.0523 0.4137 -0.11497 2027 2 19 61455 0.0527 0.4152 -0.11543 2027 2 20 61456 0.0531 0.4167 -0.11620 2027 2 21 61457 0.0535 0.4181 -0.11726 2027 2 22 61458 0.0540 0.4196 -0.11851 2027 2 23 61459 0.0544 0.4210 -0.11980 2027 2 24 61460 0.0550 0.4225 -0.12099 2027 2 25 61461 0.0555 0.4239 -0.12197 2027 2 26 61462 0.0561 0.4253 -0.12272 2027 2 27 61463 0.0567 0.4267 -0.12324 2027 2 28 61464 0.0573 0.4282 -0.12358 2027 3 1 61465 0.0579 0.4296 -0.12380 2027 3 2 61466 0.0586 0.4310 -0.12397 2027 3 3 61467 0.0593 0.4323 -0.12415 2027 3 4 61468 0.0600 0.4337 -0.12439 2027 3 5 61469 0.0608 0.4351 -0.12475 2027 3 6 61470 0.0616 0.4364 -0.12526 2027 3 7 61471 0.0624 0.4378 -0.12591 2027 3 8 61472 0.0632 0.4391 -0.12670 2027 3 9 61473 0.0641 0.4405 -0.12757 2027 3 10 61474 0.0649 0.4418 -0.12847 2027 3 11 61475 0.0659 0.4431 -0.12929 2027 3 12 61476 0.0668 0.4444 -0.12996 2027 3 13 61477 0.0678 0.4456 -0.13043 2027 3 14 61478 0.0687 0.4469 -0.13068 2027 3 15 61479 0.0698 0.4482 -0.13076 2027 3 16 61480 0.0708 0.4494 -0.13075 2027 3 17 61481 0.0719 0.4506 -0.13078 2027 3 18 61482 0.0730 0.4518 -0.13097 2027 3 19 61483 0.0741 0.4530 -0.13141 2027 3 20 61484 0.0752 0.4542 -0.13213 2027 3 21 61485 0.0764 0.4554 -0.13306 2027 3 22 61486 0.0775 0.4565 -0.13410 2027 3 23 61487 0.0787 0.4576 -0.13509 2027 3 24 61488 0.0800 0.4588 -0.13591 2027 3 25 61489 0.0812 0.4599 -0.13648 2027 3 26 61490 0.0825 0.4609 -0.13679 2027 3 27 61491 0.0838 0.4620 -0.13689 2027 3 28 61492 0.0851 0.4630 -0.13686 2027 3 29 61493 0.0864 0.4641 -0.13676 2027 3 30 61494 0.0878 0.4651 -0.13669 2027 3 31 61495 0.0892 0.4661 -0.13671 2027 4 1 61496 0.0906 0.4670 -0.13689 2027 4 2 61497 0.0920 0.4680 -0.13727 2027 4 3 61498 0.0934 0.4689 -0.13788 2027 4 4 61499 0.0949 0.4698 -0.13871 2027 4 5 61500 0.0963 0.4707 -0.13972 2027 4 6 61501 0.0978 0.4716 -0.14082 2027 4 7 61502 0.0994 0.4724 -0.14195 2027 4 8 61503 0.1009 0.4732 -0.14294 2027 4 9 61504 0.1024 0.4740 -0.14379 2027 4 10 61505 0.1040 0.4748 -0.14438 2027 4 11 61506 0.1056 0.4756 -0.14483 2027 4 12 61507 0.1072 0.4763 -0.14513 2027 4 13 61508 0.1088 0.4770 -0.14542 2027 4 14 61509 0.1104 0.4777 -0.14583 2027 4 15 61510 0.1120 0.4783 -0.14648 2027 4 16 61511 0.1137 0.4790 -0.14745 2027 4 17 61512 0.1154 0.4796 -0.14857 2027 4 18 61513 0.1170 0.4802 -0.14976 2027 4 19 61514 0.1187 0.4808 -0.15090 2027 4 20 61515 0.1205 0.4813 -0.15190 2027 4 21 61516 0.1222 0.4818 -0.15264 2027 4 22 61517 0.1239 0.4823 -0.15308 2027 4 23 61518 0.1256 0.4828 -0.15329 2027 4 24 61519 0.1274 0.4832 -0.15334 2027 4 25 61520 0.1292 0.4837 -0.15326 2027 4 26 61521 0.1309 0.4840 -0.15320 2027 4 27 61522 0.1327 0.4844 -0.15312 2027 4 28 61523 0.1345 0.4848 -0.15315 2027 4 29 61524 0.1363 0.4851 -0.15338 2027 4 30 61525 0.1381 0.4854 -0.15378 2027 5 1 61526 0.1399 0.4856 -0.15441 2027 5 2 61527 0.1418 0.4859 -0.15520 2027 5 3 61528 0.1436 0.4861 -0.15615 2027 5 4 61529 0.1454 0.4863 -0.15710 2027 5 5 61530 0.1473 0.4864 -0.15798 2027 5 6 61531 0.1491 0.4865 -0.15863 2027 5 7 61532 0.1510 0.4866 -0.15905 2027 5 8 61533 0.1528 0.4867 -0.15927 2027 5 9 61534 0.1547 0.4868 -0.15932 2027 5 10 61535 0.1565 0.4868 -0.15927 2027 5 11 61536 0.1584 0.4868 -0.15925 2027 5 12 61537 0.1603 0.4867 -0.15940 2027 5 13 61538 0.1621 0.4867 -0.15984 2027 5 14 61539 0.1640 0.4866 -0.16048 2027 5 15 61540 0.1659 0.4865 -0.16122 2027 5 16 61541 0.1677 0.4863 -0.16199 2027 5 17 61542 0.1696 0.4862 -0.16257 2027 5 18 61543 0.1715 0.4860 -0.16295 2027 5 19 61544 0.1733 0.4857 -0.16302 2027 5 20 61545 0.1752 0.4855 -0.16284 2027 5 21 61546 0.1771 0.4852 -0.16248 2027 5 22 61547 0.1789 0.4849 -0.16190 2027 5 23 61548 0.1808 0.4845 -0.16133 2027 5 24 61549 0.1826 0.4842 -0.16075 2027 5 25 61550 0.1845 0.4838 -0.16021 2027 5 26 61551 0.1863 0.4834 -0.15980 2027 5 27 61552 0.1881 0.4829 -0.15951 2027 5 28 61553 0.1900 0.4825 -0.15936 2027 5 29 61554 0.1918 0.4820 -0.15939 2027 5 30 61555 0.1936 0.4814 -0.15959 2027 5 31 61556 0.1954 0.4809 -0.15991 2027 6 1 61557 0.1972 0.4803 -0.16016 2027 6 2 61558 0.1990 0.4797 -0.16024 2027 6 3 61559 0.2007 0.4791 -0.16010 2027 6 4 61560 0.2025 0.4784 -0.15979 2027 6 5 61561 0.2043 0.4777 -0.15933 2027 6 6 61562 0.2060 0.4770 -0.15886 2027 6 7 61563 0.2077 0.4763 -0.15841 2027 6 8 61564 0.2095 0.4755 -0.15820 2027 6 9 61565 0.2112 0.4747 -0.15824 2027 6 10 61566 0.2129 0.4739 -0.15852 2027 6 11 61567 0.2145 0.4730 -0.15897 2027 6 12 61568 0.2162 0.4722 -0.15942 2027 6 13 61569 0.2179 0.4713 -0.15974 2027 6 14 61570 0.2195 0.4704 -0.15978 2027 6 15 61571 0.2211 0.4694 -0.15954 2027 6 16 61572 0.2227 0.4685 -0.15901 2027 6 17 61573 0.2243 0.4675 -0.15827 2027 6 18 61574 0.2259 0.4665 -0.15735 2027 6 19 61575 0.2275 0.4654 -0.15630 2027 6 20 61576 0.2290 0.4644 -0.15523 2027 6 21 61577 0.2305 0.4633 -0.15414 2027 6 22 61578 0.2320 0.4622 -0.15319 2027 6 23 61579 0.2335 0.4610 -0.15241 2027 6 24 61580 0.2350 0.4599 -0.15186 2027 6 25 61581 0.2364 0.4587 -0.15148 2027 6 26 61582 0.2378 0.4575 -0.15112 2027 6 27 61583 0.2392 0.4563 -0.15081 2027 6 28 61584 0.2406 0.4551 -0.15056 2027 6 29 61585 0.2420 0.4538 -0.15018 2027 6 30 61586 0.2433 0.4525 -0.14960 2027 7 1 61587 0.2446 0.4512 -0.14880 2027 7 2 61588 0.2459 0.4499 -0.14782 2027 7 3 61589 0.2472 0.4486 -0.14669 2027 7 4 61590 0.2484 0.4472 -0.14559 2027 7 5 61591 0.2496 0.4458 -0.14467 2027 7 6 61592 0.2508 0.4444 -0.14399 2027 7 7 61593 0.2520 0.4430 -0.14356 2027 7 8 61594 0.2531 0.4416 -0.14338 2027 7 9 61595 0.2543 0.4401 -0.14334 2027 7 10 61596 0.2553 0.4387 -0.14317 2027 7 11 61597 0.2564 0.4372 -0.14283 2027 7 12 61598 0.2575 0.4357 -0.14217 2027 7 13 61599 0.2585 0.4342 -0.14119 2027 7 14 61600 0.2595 0.4326 -0.14002 2027 7 15 61601 0.2604 0.4311 -0.13873 2027 7 16 61602 0.2613 0.4295 -0.13728 2027 7 17 61603 0.2622 0.4279 -0.13590 2027 7 18 61604 0.2631 0.4264 -0.13442 2027 7 19 61605 0.2640 0.4248 -0.13295 2027 7 20 61606 0.2648 0.4231 -0.13161 2027 7 21 61607 0.2656 0.4215 -0.13041 2027 7 22 61608 0.2663 0.4199 -0.12931 2027 7 23 61609 0.2670 0.4182 -0.12829 2027 7 24 61610 0.2677 0.4165 -0.12728 2027 7 25 61611 0.2684 0.4149 -0.12623 2027 7 26 61612 0.2690 0.4132 -0.12508 2027 7 27 61613 0.2696 0.4115 -0.12384 2027 7 28 61614 0.2702 0.4098 -0.12244 2027 7 29 61615 0.2708 0.4081 -0.12090 2027 7 30 61616 0.2713 0.4063 -0.11924 2027 7 31 61617 0.2718 0.4046 -0.11762 2027 8 1 61618 0.2722 0.4029 -0.11615 2027 8 2 61619 0.2726 0.4011 -0.11488 2027 8 3 61620 0.2730 0.3994 -0.11394 2027 8 4 61621 0.2734 0.3976 -0.11337 2027 8 5 61622 0.2737 0.3959 -0.11303 2027 8 6 61623 0.2740 0.3941 -0.11271 2027 8 7 61624 0.2742 0.3923 -0.11231 2027 8 8 61625 0.2744 0.3905 -0.11172 2027 8 9 61626 0.2746 0.3887 -0.11074 2027 8 10 61627 0.2748 0.3870 -0.10956 2027 8 11 61628 0.2749 0.3852 -0.10825 2027 8 12 61629 0.2750 0.3834 -0.10685 2027 8 13 61630 0.2750 0.3816 -0.10553 2027 8 14 61631 0.2751 0.3798 -0.10418 2027 8 15 61632 0.2751 0.3780 -0.10292 2027 8 16 61633 0.2750 0.3762 -0.10184 2027 8 17 61634 0.2749 0.3744 -0.10097 2027 8 18 61635 0.2748 0.3726 -0.10036 2027 8 19 61636 0.2747 0.3708 -0.09994 2027 8 20 61637 0.2745 0.3690 -0.09957 2027 8 21 61638 0.2743 0.3672 -0.09928 2027 8 22 61639 0.2740 0.3654 -0.09890 2027 8 23 61640 0.2738 0.3636 -0.09844 2027 8 24 61641 0.2735 0.3619 -0.09783 2027 8 25 61642 0.2731 0.3601 -0.09708 2027 8 26 61643 0.2727 0.3583 -0.09622 2027 8 27 61644 0.2723 0.3565 -0.09541 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) 61257 -122.07 1.10 -11.88 0.26 61258 -122.25 1.10 -11.91 0.26 61259 -122.40 1.10 -11.96 0.26 61260 -122.41 0.32 -12.04 0.16 61261 -122.22 0.32 -12.13 0.16 61262 -121.97 0.32 -12.11 0.16 61263 -121.89 0.32 -11.92 0.16 61264 -122.00 1.23 -11.68 0.25 61265 -122.11 1.23 -11.56 0.25 61266 -122.10 1.23 -11.59 0.25 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 61257 0.438 0.437 -0.240 0.261 61258 0.446 0.437 -0.240 0.261 61259 0.454 0.437 -0.241 0.261 61260 0.461 0.128 -0.241 0.160 61261 0.467 0.128 -0.241 0.160 61262 0.473 0.128 -0.241 0.160 61263 0.478 0.128 -0.242 0.160 61264 0.483 0.488 -0.242 0.245 61265 0.487 0.488 -0.242 0.245 61266 0.492 0.488 -0.243 0.245