********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 10 September 2026 Vol. XXXIX No. 037 ______________________________________________________________________ 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 9 4 61287 0.20711 .00009 0.33796 .00009 0.000946 0.000012 26 9 5 61288 0.20524 .00009 0.33714 .00009 0.000921 0.000017 26 9 6 61289 0.20358 .00009 0.33620 .00009 0.000886 0.000016 26 9 7 61290 0.20246 .00009 0.33524 .00009 0.000688 0.000018 26 9 8 61291 0.20183 .00009 0.33449 .00009 0.000214 0.000019 26 9 9 61292 0.20118 .00009 0.33413 .00009 -0.000506 0.000018 26 9 10 61293 0.20025 .00009 0.33395 .00009 -0.001527 0.000018 _______________________________________________________________________ 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 = 0.1500 + 0.1014 cos A - 0.0630 sin A - 0.0594 cos C + 0.0017 sin C y = 0.3791 - 0.0515 cos A - 0.0941 sin A + 0.0017 cos C + 0.0594 sin C UT1-UTC = -0.0790 - 0.00026 (MJD - 61301) - (UT2-UT1) where A = 2*pi*(MJD-61293)/365.25 and C = 2*pi*(MJD-61293)/435. TAI-UTC(MJD 61294) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-61293)**0.80 S t = 0.00025 (MJD-61293)**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 9 11 61294 0.1993 0.3336 -0.00273 2026 9 12 61295 0.1981 0.3333 -0.00399 2026 9 13 61296 0.1969 0.3329 -0.00521 2026 9 14 61297 0.1958 0.3323 -0.00631 2026 9 15 61298 0.1947 0.3317 -0.00723 2026 9 16 61299 0.1937 0.3311 -0.00795 2026 9 17 61300 0.1927 0.3305 -0.00847 2026 9 18 61301 0.1917 0.3299 -0.00887 2026 9 19 61302 0.1907 0.3294 -0.00920 2026 9 20 61303 0.1897 0.3289 -0.00955 2026 9 21 61304 0.1887 0.3284 -0.00998 2026 9 22 61305 0.1877 0.3279 -0.01054 2026 9 23 61306 0.1867 0.3275 -0.01131 2026 9 24 61307 0.1857 0.3270 -0.01230 2026 9 25 61308 0.1846 0.3265 -0.01351 2026 9 26 61309 0.1836 0.3261 -0.01488 2026 9 27 61310 0.1826 0.3256 -0.01635 2026 9 28 61311 0.1815 0.3252 -0.01778 2026 9 29 61312 0.1805 0.3247 -0.01907 2026 9 30 61313 0.1794 0.3243 -0.02015 2026 10 1 61314 0.1784 0.3239 -0.02100 2026 10 2 61315 0.1773 0.3235 -0.02170 2026 10 3 61316 0.1762 0.3231 -0.02234 2026 10 4 61317 0.1751 0.3227 -0.02305 2026 10 5 61318 0.1741 0.3223 -0.02395 2026 10 6 61319 0.1730 0.3220 -0.02511 2026 10 7 61320 0.1719 0.3216 -0.02651 2026 10 8 61321 0.1707 0.3213 -0.02810 2026 10 9 61322 0.1696 0.3210 -0.02977 2026 10 10 61323 0.1685 0.3207 -0.03143 2026 10 11 61324 0.1673 0.3204 -0.03295 2026 10 12 61325 0.1662 0.3201 -0.03428 2026 10 13 61326 0.1650 0.3199 -0.03539 2026 10 14 61327 0.1639 0.3196 -0.03628 2026 10 15 61328 0.1627 0.3194 -0.03700 2026 10 16 61329 0.1615 0.3192 -0.03763 2026 10 17 61330 0.1603 0.3190 -0.03823 2026 10 18 61331 0.1591 0.3188 -0.03887 2026 10 19 61332 0.1579 0.3186 -0.03965 2026 10 20 61333 0.1567 0.3185 -0.04061 2026 10 21 61334 0.1555 0.3184 -0.04181 2026 10 22 61335 0.1543 0.3182 -0.04324 2026 10 23 61336 0.1531 0.3182 -0.04488 2026 10 24 61337 0.1518 0.3181 -0.04665 2026 10 25 61338 0.1506 0.3180 -0.04845 2026 10 26 61339 0.1493 0.3180 -0.05015 2026 10 27 61340 0.1481 0.3179 -0.05164 2026 10 28 61341 0.1468 0.3179 -0.05286 2026 10 29 61342 0.1456 0.3179 -0.05386 2026 10 30 61343 0.1443 0.3180 -0.05471 2026 10 31 61344 0.1431 0.3180 -0.05557 2026 11 1 61345 0.1418 0.3181 -0.05655 2026 11 2 61346 0.1405 0.3182 -0.05773 2026 11 3 61347 0.1392 0.3183 -0.05912 2026 11 4 61348 0.1380 0.3184 -0.06069 2026 11 5 61349 0.1367 0.3185 -0.06235 2026 11 6 61350 0.1354 0.3187 -0.06399 2026 11 7 61351 0.1341 0.3189 -0.06553 2026 11 8 61352 0.1329 0.3191 -0.06690 2026 11 9 61353 0.1316 0.3193 -0.06805 2026 11 10 61354 0.1303 0.3195 -0.06899 2026 11 11 61355 0.1290 0.3198 -0.06975 2026 11 12 61356 0.1277 0.3200 -0.07039 2026 11 13 61357 0.1265 0.3203 -0.07097 2026 11 14 61358 0.1252 0.3207 -0.07158 2026 11 15 61359 0.1239 0.3210 -0.07227 2026 11 16 61360 0.1226 0.3213 -0.07311 2026 11 17 61361 0.1214 0.3217 -0.07413 2026 11 18 61362 0.1201 0.3221 -0.07535 2026 11 19 61363 0.1188 0.3225 -0.07675 2026 11 20 61364 0.1176 0.3229 -0.07828 2026 11 21 61365 0.1163 0.3234 -0.07986 2026 11 22 61366 0.1151 0.3238 -0.08137 2026 11 23 61367 0.1138 0.3243 -0.08270 2026 11 24 61368 0.1126 0.3248 -0.08378 2026 11 25 61369 0.1113 0.3253 -0.08460 2026 11 26 61370 0.1101 0.3259 -0.08523 2026 11 27 61371 0.1089 0.3264 -0.08581 2026 11 28 61372 0.1077 0.3270 -0.08648 2026 11 29 61373 0.1065 0.3276 -0.08734 2026 11 30 61374 0.1053 0.3282 -0.08842 2026 12 1 61375 0.1041 0.3288 -0.08967 2026 12 2 61376 0.1029 0.3295 -0.09100 2026 12 3 61377 0.1017 0.3302 -0.09231 2026 12 4 61378 0.1006 0.3309 -0.09349 2026 12 5 61379 0.0994 0.3316 -0.09449 2026 12 6 61380 0.0983 0.3323 -0.09527 2026 12 7 61381 0.0971 0.3330 -0.09582 2026 12 8 61382 0.0960 0.3338 -0.09616 2026 12 9 61383 0.0949 0.3346 -0.09636 2026 12 10 61384 0.0938 0.3353 -0.09647 2026 12 11 61385 0.0927 0.3362 -0.09656 2026 12 12 61386 0.0917 0.3370 -0.09671 2026 12 13 61387 0.0906 0.3378 -0.09698 2026 12 14 61388 0.0895 0.3387 -0.09741 2026 12 15 61389 0.0885 0.3396 -0.09801 2026 12 16 61390 0.0875 0.3405 -0.09878 2026 12 17 61391 0.0865 0.3414 -0.09968 2026 12 18 61392 0.0855 0.3423 -0.10065 2026 12 19 61393 0.0845 0.3432 -0.10160 2026 12 20 61394 0.0836 0.3442 -0.10243 2026 12 21 61395 0.0826 0.3452 -0.10306 2026 12 22 61396 0.0817 0.3461 -0.10345 2026 12 23 61397 0.0808 0.3471 -0.10364 2026 12 24 61398 0.0799 0.3482 -0.10374 2026 12 25 61399 0.0790 0.3492 -0.10389 2026 12 26 61400 0.0781 0.3502 -0.10423 2026 12 27 61401 0.0773 0.3513 -0.10482 2026 12 28 61402 0.0765 0.3524 -0.10583 2026 12 29 61403 0.0757 0.3534 -0.10697 2026 12 30 61404 0.0749 0.3545 -0.10812 2026 12 31 61405 0.0741 0.3556 -0.10915 2027 1 1 61406 0.0733 0.3568 -0.11000 2027 1 2 61407 0.0726 0.3579 -0.11063 2027 1 3 61408 0.0719 0.3590 -0.11103 2027 1 4 61409 0.0712 0.3602 -0.11123 2027 1 5 61410 0.0705 0.3614 -0.11127 2027 1 6 61411 0.0699 0.3626 -0.11123 2027 1 7 61412 0.0693 0.3637 -0.11117 2027 1 8 61413 0.0687 0.3649 -0.11117 2027 1 9 61414 0.0681 0.3662 -0.11129 2027 1 10 61415 0.0675 0.3674 -0.11157 2027 1 11 61416 0.0670 0.3686 -0.11204 2027 1 12 61417 0.0664 0.3699 -0.11268 2027 1 13 61418 0.0659 0.3711 -0.11346 2027 1 14 61419 0.0655 0.3724 -0.11432 2027 1 15 61420 0.0650 0.3736 -0.11519 2027 1 16 61421 0.0646 0.3749 -0.11598 2027 1 17 61422 0.0642 0.3762 -0.11660 2027 1 18 61423 0.0638 0.3775 -0.11703 2027 1 19 61424 0.0634 0.3788 -0.11725 2027 1 20 61425 0.0631 0.3801 -0.11736 2027 1 21 61426 0.0628 0.3814 -0.11748 2027 1 22 61427 0.0625 0.3827 -0.11777 2027 1 23 61428 0.0622 0.3840 -0.11832 2027 1 24 61429 0.0620 0.3854 -0.11916 2027 1 25 61430 0.0618 0.3867 -0.12022 2027 1 26 61431 0.0616 0.3880 -0.12136 2027 1 27 61432 0.0614 0.3894 -0.12244 2027 1 28 61433 0.0613 0.3907 -0.12335 2027 1 29 61434 0.0612 0.3921 -0.12403 2027 1 30 61435 0.0611 0.3934 -0.12446 2027 1 31 61436 0.0610 0.3948 -0.12468 2027 2 1 61437 0.0610 0.3961 -0.12474 2027 2 2 61438 0.0610 0.3975 -0.12470 2027 2 3 61439 0.0610 0.3989 -0.12463 2027 2 4 61440 0.0610 0.4002 -0.12461 2027 2 5 61441 0.0611 0.4016 -0.12471 2027 2 6 61442 0.0612 0.4029 -0.12497 2027 2 7 61443 0.0613 0.4043 -0.12543 2027 2 8 61444 0.0614 0.4057 -0.12608 2027 2 9 61445 0.0616 0.4070 -0.12690 2027 2 10 61446 0.0618 0.4084 -0.12781 2027 2 11 61447 0.0620 0.4097 -0.12874 2027 2 12 61448 0.0623 0.4111 -0.12960 2027 2 13 61449 0.0626 0.4124 -0.13032 2027 2 14 61450 0.0629 0.4138 -0.13085 2027 2 15 61451 0.0632 0.4151 -0.13119 2027 2 16 61452 0.0635 0.4165 -0.13140 2027 2 17 61453 0.0639 0.4178 -0.13158 2027 2 18 61454 0.0643 0.4192 -0.13187 2027 2 19 61455 0.0647 0.4205 -0.13241 2027 2 20 61456 0.0652 0.4218 -0.13325 2027 2 21 61457 0.0657 0.4231 -0.13437 2027 2 22 61458 0.0662 0.4245 -0.13567 2027 2 23 61459 0.0667 0.4258 -0.13700 2027 2 24 61460 0.0673 0.4271 -0.13821 2027 2 25 61461 0.0679 0.4284 -0.13921 2027 2 26 61462 0.0685 0.4297 -0.13997 2027 2 27 61463 0.0691 0.4309 -0.14048 2027 2 28 61464 0.0698 0.4322 -0.14081 2027 3 1 61465 0.0705 0.4335 -0.14102 2027 3 2 61466 0.0712 0.4347 -0.14118 2027 3 3 61467 0.0719 0.4360 -0.14137 2027 3 4 61468 0.0727 0.4372 -0.14166 2027 3 5 61469 0.0735 0.4384 -0.14212 2027 3 6 61470 0.0743 0.4396 -0.14279 2027 3 7 61471 0.0751 0.4408 -0.14367 2027 3 8 61472 0.0760 0.4420 -0.14474 2027 3 9 61473 0.0769 0.4432 -0.14596 2027 3 10 61474 0.0778 0.4444 -0.14724 2027 3 11 61475 0.0787 0.4455 -0.14850 2027 3 12 61476 0.0797 0.4467 -0.14965 2027 3 13 61477 0.0807 0.4478 -0.15064 2027 3 14 61478 0.0817 0.4489 -0.15145 2027 3 15 61479 0.0827 0.4500 -0.15212 2027 3 16 61480 0.0838 0.4511 -0.15276 2027 3 17 61481 0.0848 0.4522 -0.15346 2027 3 18 61482 0.0859 0.4532 -0.15434 2027 3 19 61483 0.0870 0.4543 -0.15545 2027 3 20 61484 0.0882 0.4553 -0.15678 2027 3 21 61485 0.0893 0.4563 -0.15827 2027 3 22 61486 0.0905 0.4573 -0.15979 2027 3 23 61487 0.0917 0.4583 -0.16119 2027 3 24 61488 0.0930 0.4593 -0.16237 2027 3 25 61489 0.0942 0.4602 -0.16327 2027 3 26 61490 0.0955 0.4611 -0.16388 2027 3 27 61491 0.0968 0.4620 -0.16425 2027 3 28 61492 0.0981 0.4629 -0.16444 2027 3 29 61493 0.0994 0.4638 -0.16454 2027 3 30 61494 0.1007 0.4647 -0.16462 2027 3 31 61495 0.1021 0.4655 -0.16477 2027 4 1 61496 0.1035 0.4663 -0.16504 2027 4 2 61497 0.1049 0.4671 -0.16546 2027 4 3 61498 0.1063 0.4679 -0.16606 2027 4 4 61499 0.1077 0.4686 -0.16682 2027 4 5 61500 0.1092 0.4694 -0.16768 2027 4 6 61501 0.1106 0.4701 -0.16857 2027 4 7 61502 0.1121 0.4708 -0.16940 2027 4 8 61503 0.1136 0.4715 -0.17009 2027 4 9 61504 0.1151 0.4721 -0.17056 2027 4 10 61505 0.1166 0.4727 -0.17080 2027 4 11 61506 0.1182 0.4734 -0.17085 2027 4 12 61507 0.1197 0.4739 -0.17082 2027 4 13 61508 0.1213 0.4745 -0.17083 2027 4 14 61509 0.1229 0.4750 -0.17098 2027 4 15 61510 0.1245 0.4756 -0.17132 2027 4 16 61511 0.1261 0.4761 -0.17190 2027 4 17 61512 0.1277 0.4765 -0.17267 2027 4 18 61513 0.1293 0.4770 -0.17358 2027 4 19 61514 0.1310 0.4774 -0.17447 2027 4 20 61515 0.1326 0.4778 -0.17519 2027 4 21 61516 0.1343 0.4782 -0.17569 2027 4 22 61517 0.1360 0.4785 -0.17594 2027 4 23 61518 0.1377 0.4789 -0.17599 2027 4 24 61519 0.1393 0.4792 -0.17586 2027 4 25 61520 0.1410 0.4794 -0.17566 2027 4 26 61521 0.1428 0.4797 -0.17540 2027 4 27 61522 0.1445 0.4799 -0.17522 2027 4 28 61523 0.1462 0.4801 -0.17513 2027 4 29 61524 0.1479 0.4803 -0.17524 2027 4 30 61525 0.1497 0.4804 -0.17554 2027 5 1 61526 0.1514 0.4806 -0.17603 2027 5 2 61527 0.1532 0.4807 -0.17671 2027 5 3 61528 0.1549 0.4808 -0.17752 2027 5 4 61529 0.1567 0.4808 -0.17835 2027 5 5 61530 0.1584 0.4808 -0.17916 2027 5 6 61531 0.1602 0.4808 -0.17975 2027 5 7 61532 0.1620 0.4808 -0.18019 2027 5 8 61533 0.1637 0.4807 -0.18034 2027 5 9 61534 0.1655 0.4807 -0.18042 2027 5 10 61535 0.1673 0.4806 -0.18040 2027 5 11 61536 0.1690 0.4804 -0.18047 2027 5 12 61537 0.1708 0.4803 -0.18071 2027 5 13 61538 0.1726 0.4801 -0.18119 2027 5 14 61539 0.1744 0.4799 -0.18195 2027 5 15 61540 0.1761 0.4796 -0.18275 2027 5 16 61541 0.1779 0.4794 -0.18352 2027 5 17 61542 0.1797 0.4791 -0.18412 2027 5 18 61543 0.1814 0.4788 -0.18451 2027 5 19 61544 0.1832 0.4784 -0.18461 2027 5 20 61545 0.1850 0.4781 -0.18442 2027 5 21 61546 0.1867 0.4777 -0.18403 2027 5 22 61547 0.1885 0.4773 -0.18353 2027 5 23 61548 0.1902 0.4768 -0.18295 2027 5 24 61549 0.1920 0.4763 -0.18242 2027 5 25 61550 0.1937 0.4758 -0.18193 2027 5 26 61551 0.1954 0.4753 -0.18156 2027 5 27 61552 0.1971 0.4748 -0.18140 2027 5 28 61553 0.1989 0.4742 -0.18141 2027 5 29 61554 0.2006 0.4736 -0.18161 2027 5 30 61555 0.2023 0.4730 -0.18193 2027 5 31 61556 0.2039 0.4723 -0.18235 2027 6 1 61557 0.2056 0.4716 -0.18270 2027 6 2 61558 0.2073 0.4709 -0.18294 2027 6 3 61559 0.2089 0.4702 -0.18292 2027 6 4 61560 0.2106 0.4695 -0.18267 2027 6 5 61561 0.2122 0.4687 -0.18227 2027 6 6 61562 0.2138 0.4679 -0.18177 2027 6 7 61563 0.2155 0.4671 -0.18126 2027 6 8 61564 0.2171 0.4662 -0.18086 2027 6 9 61565 0.2186 0.4654 -0.18070 2027 6 10 61566 0.2202 0.4645 -0.18080 2027 6 11 61567 0.2218 0.4635 -0.18104 2027 6 12 61568 0.2233 0.4626 -0.18128 2027 6 13 61569 0.2248 0.4616 -0.18144 2027 6 14 61570 0.2263 0.4606 -0.18132 2027 6 15 61571 0.2278 0.4596 -0.18095 2027 6 16 61572 0.2293 0.4586 -0.18028 2027 6 17 61573 0.2308 0.4575 -0.17939 2027 6 18 61574 0.2322 0.4565 -0.17837 2027 6 19 61575 0.2336 0.4554 -0.17720 2027 6 20 61576 0.2350 0.4542 -0.17610 2027 6 21 61577 0.2364 0.4531 -0.17504 2027 6 22 61578 0.2378 0.4519 -0.17407 2027 6 23 61579 0.2391 0.4507 -0.17326 2027 6 24 61580 0.2405 0.4495 -0.17257 2027 6 25 61581 0.2418 0.4483 -0.17201 2027 6 26 61582 0.2431 0.4471 -0.17159 2027 6 27 61583 0.2443 0.4458 -0.17131 2027 6 28 61584 0.2456 0.4445 -0.17108 2027 6 29 61585 0.2468 0.4432 -0.17075 2027 6 30 61586 0.2480 0.4419 -0.17021 2027 7 1 61587 0.2492 0.4406 -0.16946 2027 7 2 61588 0.2503 0.4392 -0.16858 2027 7 3 61589 0.2514 0.4378 -0.16762 2027 7 4 61590 0.2526 0.4364 -0.16676 2027 7 5 61591 0.2536 0.4350 -0.16602 2027 7 6 61592 0.2547 0.4336 -0.16560 2027 7 7 61593 0.2557 0.4322 -0.16546 2027 7 8 61594 0.2567 0.4307 -0.16555 2027 7 9 61595 0.2577 0.4292 -0.16573 2027 7 10 61596 0.2587 0.4277 -0.16582 2027 7 11 61597 0.2596 0.4262 -0.16570 2027 7 12 61598 0.2605 0.4247 -0.16525 2027 7 13 61599 0.2614 0.4232 -0.16451 2027 7 14 61600 0.2622 0.4216 -0.16351 2027 7 15 61601 0.2630 0.4201 -0.16234 2027 7 16 61602 0.2638 0.4185 -0.16108 2027 7 17 61603 0.2646 0.4169 -0.15975 2027 7 18 61604 0.2653 0.4153 -0.15847 2027 7 19 61605 0.2660 0.4137 -0.15723 2027 7 20 61606 0.2667 0.4121 -0.15617 2027 7 21 61607 0.2673 0.4105 -0.15531 2027 7 22 61608 0.2680 0.4088 -0.15467 2027 7 23 61609 0.2685 0.4072 -0.15419 2027 7 24 61610 0.2691 0.4055 -0.15370 2027 7 25 61611 0.2696 0.4039 -0.15321 2027 7 26 61612 0.2701 0.4022 -0.15273 2027 7 27 61613 0.2706 0.4005 -0.15209 2027 7 28 61614 0.2710 0.3988 -0.15125 2027 7 29 61615 0.2714 0.3971 -0.15021 2027 7 30 61616 0.2718 0.3954 -0.14908 2027 7 31 61617 0.2722 0.3937 -0.14788 2027 8 1 61618 0.2725 0.3920 -0.14681 2027 8 2 61619 0.2728 0.3903 -0.14602 2027 8 3 61620 0.2730 0.3886 -0.14553 2027 8 4 61621 0.2732 0.3868 -0.14529 2027 8 5 61622 0.2734 0.3851 -0.14528 2027 8 6 61623 0.2736 0.3834 -0.14532 2027 8 7 61624 0.2737 0.3816 -0.14519 2027 8 8 61625 0.2738 0.3799 -0.14481 2027 8 9 61626 0.2738 0.3781 -0.14411 2027 8 10 61627 0.2739 0.3764 -0.14310 2027 8 11 61628 0.2739 0.3746 -0.14194 2027 8 12 61629 0.2738 0.3729 -0.14073 2027 8 13 61630 0.2737 0.3711 -0.13942 2027 8 14 61631 0.2736 0.3694 -0.13825 2027 8 15 61632 0.2735 0.3676 -0.13705 2027 8 16 61633 0.2733 0.3659 -0.13590 2027 8 17 61634 0.2731 0.3642 -0.13491 2027 8 18 61635 0.2729 0.3624 -0.13407 2027 8 19 61636 0.2726 0.3607 -0.13331 2027 8 20 61637 0.2723 0.3590 -0.13261 2027 8 21 61638 0.2720 0.3572 -0.13188 2027 8 22 61639 0.2716 0.3555 -0.13106 2027 8 23 61640 0.2712 0.3538 -0.13009 2027 8 24 61641 0.2708 0.3521 -0.12901 2027 8 25 61642 0.2704 0.3504 -0.12778 2027 8 26 61643 0.2699 0.3486 -0.12646 2027 8 27 61644 0.2693 0.3470 -0.12510 2027 8 28 61645 0.2688 0.3453 -0.12388 2027 8 29 61646 0.2682 0.3436 -0.12289 2027 8 30 61647 0.2676 0.3419 -0.12216 2027 8 31 61648 0.2669 0.3402 -0.12177 2027 9 1 61649 0.2662 0.3386 -0.12170 2027 9 2 61650 0.2655 0.3369 -0.12183 2027 9 3 61651 0.2648 0.3353 -0.12190 2027 9 4 61652 0.2640 0.3337 -0.12185 2027 9 5 61653 0.2632 0.3321 -0.12158 2027 9 6 61654 0.2623 0.3305 -0.12092 2027 9 7 61655 0.2615 0.3289 -0.12009 2027 9 8 61656 0.2606 0.3273 -0.11918 2027 9 9 61657 0.2596 0.3257 -0.11823 2027 9 10 61658 0.2587 0.3242 -0.11742 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) 61271 -124.55 0.83 -11.83 0.21 61272 -124.30 0.83 -11.82 0.21 61273 -123.93 0.83 -11.69 0.21 61274 -123.64 1.02 -11.58 0.12 61275 -123.47 1.08 -11.59 0.27 61276 -123.44 1.08 -11.68 0.27 61277 -123.53 1.11 -11.72 0.33 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 61271 0.358 0.328 -0.234 0.213 61272 0.360 0.328 -0.237 0.213 61273 0.366 0.328 -0.241 0.213 61274 0.375 0.408 -0.246 0.117 61275 0.386 0.430 -0.252 0.266 61276 0.398 0.430 -0.258 0.266 61277 0.411 0.444 -0.265 0.332