********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 24 September 2026 Vol. XXXIX No. 039 ______________________________________________________________________ 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 18 61301 0.18904 .00009 0.32915 .00009 -0.008985 0.000023 26 9 19 61302 0.18765 .00009 0.32926 .00009 -0.009466 0.000024 26 9 20 61303 0.18621 .00009 0.32906 .00009 -0.009984 0.000023 26 9 21 61304 0.18501 .00009 0.32859 .00009 -0.010631 0.000024 26 9 22 61305 0.18376 .00009 0.32816 .00009 -0.011408 0.000022 26 9 23 61306 0.18249 .00009 0.32769 .00009 -0.012349 0.000022 26 9 24 61307 0.18147 .00009 0.32730 .00009 -0.013473 0.000022 _______________________________________________________________________ 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 = 0.1517 + 0.0763 cos A - 0.0904 sin A - 0.0536 cos C + 0.0214 sin C y = 0.3791 - 0.0757 cos A - 0.0713 sin A + 0.0214 cos C + 0.0536 sin C UT1-UTC = -0.0933 - 0.00030 (MJD - 61315) - (UT2-UT1) where A = 2*pi*(MJD-61307)/365.25 and C = 2*pi*(MJD-61307)/435. TAI-UTC(MJD 61308) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-61307)**0.80 S t = 0.00025 (MJD-61307)**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 25 61308 0.1805 0.3270 -0.01481 2026 9 26 61309 0.1795 0.3268 -0.01631 2026 9 27 61310 0.1784 0.3266 -0.01786 2026 9 28 61311 0.1774 0.3264 -0.01933 2026 9 29 61312 0.1764 0.3262 -0.02059 2026 9 30 61313 0.1753 0.3259 -0.02158 2026 10 1 61314 0.1742 0.3257 -0.02230 2026 10 2 61315 0.1731 0.3254 -0.02281 2026 10 3 61316 0.1721 0.3252 -0.02327 2026 10 4 61317 0.1710 0.3249 -0.02383 2026 10 5 61318 0.1700 0.3247 -0.02464 2026 10 6 61319 0.1689 0.3245 -0.02575 2026 10 7 61320 0.1678 0.3243 -0.02716 2026 10 8 61321 0.1668 0.3241 -0.02883 2026 10 9 61322 0.1657 0.3239 -0.03063 2026 10 10 61323 0.1647 0.3237 -0.03242 2026 10 11 61324 0.1636 0.3236 -0.03409 2026 10 12 61325 0.1625 0.3234 -0.03554 2026 10 13 61326 0.1614 0.3233 -0.03674 2026 10 14 61327 0.1603 0.3231 -0.03772 2026 10 15 61328 0.1592 0.3230 -0.03852 2026 10 16 61329 0.1582 0.3229 -0.03919 2026 10 17 61330 0.1571 0.3228 -0.03984 2026 10 18 61331 0.1559 0.3227 -0.04053 2026 10 19 61332 0.1548 0.3227 -0.04134 2026 10 20 61333 0.1537 0.3226 -0.04234 2026 10 21 61334 0.1526 0.3226 -0.04356 2026 10 22 61335 0.1515 0.3226 -0.04502 2026 10 23 61336 0.1504 0.3225 -0.04668 2026 10 24 61337 0.1492 0.3226 -0.04848 2026 10 25 61338 0.1481 0.3226 -0.05031 2026 10 26 61339 0.1470 0.3226 -0.05203 2026 10 27 61340 0.1458 0.3227 -0.05355 2026 10 28 61341 0.1447 0.3227 -0.05480 2026 10 29 61342 0.1435 0.3228 -0.05582 2026 10 30 61343 0.1424 0.3229 -0.05671 2026 10 31 61344 0.1412 0.3230 -0.05761 2026 11 1 61345 0.1401 0.3231 -0.05864 2026 11 2 61346 0.1389 0.3233 -0.05989 2026 11 3 61347 0.1378 0.3235 -0.06136 2026 11 4 61348 0.1366 0.3236 -0.06301 2026 11 5 61349 0.1354 0.3238 -0.06475 2026 11 6 61350 0.1343 0.3240 -0.06647 2026 11 7 61351 0.1331 0.3243 -0.06809 2026 11 8 61352 0.1320 0.3245 -0.06952 2026 11 9 61353 0.1308 0.3248 -0.07074 2026 11 10 61354 0.1296 0.3251 -0.07175 2026 11 11 61355 0.1285 0.3254 -0.07258 2026 11 12 61356 0.1273 0.3257 -0.07329 2026 11 13 61357 0.1262 0.3260 -0.07394 2026 11 14 61358 0.1250 0.3263 -0.07463 2026 11 15 61359 0.1239 0.3267 -0.07541 2026 11 16 61360 0.1227 0.3271 -0.07635 2026 11 17 61361 0.1216 0.3275 -0.07747 2026 11 18 61362 0.1204 0.3279 -0.07880 2026 11 19 61363 0.1193 0.3283 -0.08031 2026 11 20 61364 0.1182 0.3288 -0.08195 2026 11 21 61365 0.1170 0.3292 -0.08364 2026 11 22 61366 0.1159 0.3297 -0.08526 2026 11 23 61367 0.1148 0.3302 -0.08671 2026 11 24 61368 0.1137 0.3307 -0.08789 2026 11 25 61369 0.1126 0.3313 -0.08882 2026 11 26 61370 0.1115 0.3318 -0.08958 2026 11 27 61371 0.1104 0.3324 -0.09029 2026 11 28 61372 0.1093 0.3330 -0.09110 2026 11 29 61373 0.1082 0.3336 -0.09212 2026 11 30 61374 0.1071 0.3342 -0.09337 2026 12 1 61375 0.1061 0.3348 -0.09481 2026 12 2 61376 0.1050 0.3355 -0.09635 2026 12 3 61377 0.1040 0.3361 -0.09788 2026 12 4 61378 0.1029 0.3368 -0.09930 2026 12 5 61379 0.1019 0.3375 -0.10054 2026 12 6 61380 0.1009 0.3382 -0.10157 2026 12 7 61381 0.0999 0.3389 -0.10239 2026 12 8 61382 0.0989 0.3397 -0.10300 2026 12 9 61383 0.0979 0.3404 -0.10347 2026 12 10 61384 0.0969 0.3412 -0.10385 2026 12 11 61385 0.0959 0.3420 -0.10422 2026 12 12 61386 0.0950 0.3428 -0.10465 2026 12 13 61387 0.0940 0.3436 -0.10520 2026 12 14 61388 0.0931 0.3445 -0.10590 2026 12 15 61389 0.0922 0.3453 -0.10677 2026 12 16 61390 0.0913 0.3462 -0.10781 2026 12 17 61391 0.0904 0.3470 -0.10898 2026 12 18 61392 0.0895 0.3479 -0.11022 2026 12 19 61393 0.0886 0.3488 -0.11143 2026 12 20 61394 0.0878 0.3497 -0.11252 2026 12 21 61395 0.0870 0.3507 -0.11341 2026 12 22 61396 0.0861 0.3516 -0.11404 2026 12 23 61397 0.0853 0.3526 -0.11447 2026 12 24 61398 0.0845 0.3535 -0.11480 2026 12 25 61399 0.0838 0.3545 -0.11519 2026 12 26 61400 0.0830 0.3555 -0.11575 2026 12 27 61401 0.0823 0.3565 -0.11657 2026 12 28 61402 0.0816 0.3576 -0.11761 2026 12 29 61403 0.0808 0.3586 -0.11878 2026 12 30 61404 0.0802 0.3596 -0.11995 2026 12 31 61405 0.0795 0.3607 -0.12101 2027 1 1 61406 0.0788 0.3617 -0.12187 2027 1 2 61407 0.0782 0.3628 -0.12249 2027 1 3 61408 0.0776 0.3639 -0.12289 2027 1 4 61409 0.0770 0.3650 -0.12308 2027 1 5 61410 0.0764 0.3661 -0.12312 2027 1 6 61411 0.0758 0.3672 -0.12306 2027 1 7 61412 0.0753 0.3683 -0.12297 2027 1 8 61413 0.0748 0.3695 -0.12294 2027 1 9 61414 0.0743 0.3706 -0.12302 2027 1 10 61415 0.0738 0.3718 -0.12326 2027 1 11 61416 0.0733 0.3729 -0.12387 2027 1 12 61417 0.0729 0.3741 -0.12466 2027 1 13 61418 0.0725 0.3753 -0.12558 2027 1 14 61419 0.0721 0.3764 -0.12660 2027 1 15 61420 0.0717 0.3776 -0.12762 2027 1 16 61421 0.0713 0.3788 -0.12855 2027 1 17 61422 0.0710 0.3800 -0.12933 2027 1 18 61423 0.0707 0.3812 -0.12991 2027 1 19 61424 0.0704 0.3824 -0.13028 2027 1 20 61425 0.0701 0.3837 -0.13054 2027 1 21 61426 0.0699 0.3849 -0.13081 2027 1 22 61427 0.0697 0.3861 -0.13125 2027 1 23 61428 0.0695 0.3873 -0.13194 2027 1 24 61429 0.0693 0.3886 -0.13293 2027 1 25 61430 0.0691 0.3898 -0.13412 2027 1 26 61431 0.0690 0.3911 -0.13540 2027 1 27 61432 0.0689 0.3923 -0.13662 2027 1 28 61433 0.0688 0.3936 -0.13766 2027 1 29 61434 0.0687 0.3948 -0.13847 2027 1 30 61435 0.0687 0.3961 -0.13903 2027 1 31 61436 0.0687 0.3973 -0.13939 2027 2 1 61437 0.0687 0.3986 -0.13957 2027 2 2 61438 0.0687 0.3998 -0.13966 2027 2 3 61439 0.0688 0.4011 -0.13972 2027 2 4 61440 0.0688 0.4024 -0.13982 2027 2 5 61441 0.0689 0.4036 -0.14004 2027 2 6 61442 0.0691 0.4049 -0.14043 2027 2 7 61443 0.0692 0.4062 -0.14101 2027 2 8 61444 0.0694 0.4074 -0.14178 2027 2 9 61445 0.0696 0.4087 -0.14271 2027 2 10 61446 0.0698 0.4099 -0.14373 2027 2 11 61447 0.0701 0.4112 -0.14478 2027 2 12 61448 0.0703 0.4124 -0.14576 2027 2 13 61449 0.0706 0.4137 -0.14659 2027 2 14 61450 0.0709 0.4149 -0.14724 2027 2 15 61451 0.0713 0.4162 -0.14769 2027 2 16 61452 0.0716 0.4174 -0.14800 2027 2 17 61453 0.0720 0.4186 -0.14829 2027 2 18 61454 0.0725 0.4199 -0.14869 2027 2 19 61455 0.0729 0.4211 -0.14933 2027 2 20 61456 0.0734 0.4223 -0.15027 2027 2 21 61457 0.0738 0.4235 -0.15149 2027 2 22 61458 0.0744 0.4247 -0.15288 2027 2 23 61459 0.0749 0.4259 -0.15430 2027 2 24 61460 0.0755 0.4271 -0.15560 2027 2 25 61461 0.0760 0.4283 -0.15669 2027 2 26 61462 0.0766 0.4295 -0.15752 2027 2 27 61463 0.0773 0.4307 -0.15811 2027 2 28 61464 0.0779 0.4318 -0.15851 2027 3 1 61465 0.0786 0.4330 -0.15879 2027 3 2 61466 0.0793 0.4341 -0.15901 2027 3 3 61467 0.0800 0.4353 -0.15926 2027 3 4 61468 0.0808 0.4364 -0.15960 2027 3 5 61469 0.0816 0.4375 -0.16010 2027 3 6 61470 0.0823 0.4386 -0.16080 2027 3 7 61471 0.0832 0.4397 -0.16170 2027 3 8 61472 0.0840 0.4408 -0.16278 2027 3 9 61473 0.0849 0.4419 -0.16398 2027 3 10 61474 0.0857 0.4429 -0.16523 2027 3 11 61475 0.0867 0.4440 -0.16643 2027 3 12 61476 0.0876 0.4450 -0.16750 2027 3 13 61477 0.0885 0.4460 -0.16838 2027 3 14 61478 0.0895 0.4471 -0.16905 2027 3 15 61479 0.0905 0.4481 -0.16957 2027 3 16 61480 0.0915 0.4490 -0.17004 2027 3 17 61481 0.0925 0.4500 -0.17057 2027 3 18 61482 0.0936 0.4510 -0.17130 2027 3 19 61483 0.0947 0.4519 -0.17230 2027 3 20 61484 0.0957 0.4528 -0.17362 2027 3 21 61485 0.0969 0.4537 -0.17517 2027 3 22 61486 0.0980 0.4546 -0.17685 2027 3 23 61487 0.0991 0.4555 -0.17852 2027 3 24 61488 0.1003 0.4564 -0.18005 2027 3 25 61489 0.1015 0.4572 -0.18137 2027 3 26 61490 0.1027 0.4581 -0.18248 2027 3 27 61491 0.1039 0.4589 -0.18341 2027 3 28 61492 0.1052 0.4597 -0.18424 2027 3 29 61493 0.1064 0.4605 -0.18502 2027 3 30 61494 0.1077 0.4612 -0.18584 2027 3 31 61495 0.1090 0.4620 -0.18676 2027 4 1 61496 0.1103 0.4627 -0.18781 2027 4 2 61497 0.1117 0.4634 -0.18901 2027 4 3 61498 0.1130 0.4641 -0.19034 2027 4 4 61499 0.1144 0.4648 -0.19177 2027 4 5 61500 0.1157 0.4654 -0.19323 2027 4 6 61501 0.1171 0.4660 -0.19466 2027 4 7 61502 0.1185 0.4666 -0.19596 2027 4 8 61503 0.1200 0.4672 -0.19707 2027 4 9 61504 0.1214 0.4678 -0.19791 2027 4 10 61505 0.1228 0.4683 -0.19848 2027 4 11 61506 0.1243 0.4689 -0.19882 2027 4 12 61507 0.1258 0.4694 -0.19902 2027 4 13 61508 0.1273 0.4699 -0.19919 2027 4 14 61509 0.1288 0.4703 -0.19948 2027 4 15 61510 0.1303 0.4708 -0.19997 2027 4 16 61511 0.1318 0.4712 -0.20071 2027 4 17 61512 0.1333 0.4716 -0.20165 2027 4 18 61513 0.1349 0.4720 -0.20273 2027 4 19 61514 0.1364 0.4723 -0.20382 2027 4 20 61515 0.1380 0.4727 -0.20481 2027 4 21 61516 0.1396 0.4730 -0.20561 2027 4 22 61517 0.1411 0.4732 -0.20619 2027 4 23 61518 0.1427 0.4735 -0.20654 2027 4 24 61519 0.1443 0.4737 -0.20670 2027 4 25 61520 0.1459 0.4740 -0.20674 2027 4 26 61521 0.1475 0.4742 -0.20670 2027 4 27 61522 0.1492 0.4743 -0.20665 2027 4 28 61523 0.1508 0.4745 -0.20664 2027 4 29 61524 0.1524 0.4746 -0.20671 2027 4 30 61525 0.1540 0.4747 -0.20694 2027 5 1 61526 0.1557 0.4748 -0.20734 2027 5 2 61527 0.1573 0.4748 -0.20786 2027 5 3 61528 0.1590 0.4749 -0.20842 2027 5 4 61529 0.1606 0.4749 -0.20895 2027 5 5 61530 0.1623 0.4748 -0.20936 2027 5 6 61531 0.1640 0.4748 -0.20958 2027 5 7 61532 0.1656 0.4747 -0.20959 2027 5 8 61533 0.1673 0.4746 -0.20935 2027 5 9 61534 0.1689 0.4745 -0.20900 2027 5 10 61535 0.1706 0.4744 -0.20874 2027 5 11 61536 0.1723 0.4742 -0.20859 2027 5 12 61537 0.1739 0.4740 -0.20859 2027 5 13 61538 0.1756 0.4738 -0.20873 2027 5 14 61539 0.1773 0.4735 -0.20909 2027 5 15 61540 0.1789 0.4733 -0.20954 2027 5 16 61541 0.1806 0.4730 -0.21002 2027 5 17 61542 0.1823 0.4727 -0.21038 2027 5 18 61543 0.1839 0.4723 -0.21048 2027 5 19 61544 0.1856 0.4720 -0.21034 2027 5 20 61545 0.1872 0.4716 -0.20996 2027 5 21 61546 0.1889 0.4712 -0.20942 2027 5 22 61547 0.1905 0.4707 -0.20873 2027 5 23 61548 0.1921 0.4703 -0.20803 2027 5 24 61549 0.1938 0.4698 -0.20731 2027 5 25 61550 0.1954 0.4693 -0.20671 2027 5 26 61551 0.1970 0.4687 -0.20623 2027 5 27 61552 0.1986 0.4682 -0.20595 2027 5 28 61553 0.2002 0.4676 -0.20586 2027 5 29 61554 0.2018 0.4670 -0.20591 2027 5 30 61555 0.2034 0.4664 -0.20612 2027 5 31 61556 0.2050 0.4657 -0.20640 2027 6 1 61557 0.2066 0.4650 -0.20664 2027 6 2 61558 0.2081 0.4643 -0.20681 2027 6 3 61559 0.2097 0.4636 -0.20673 2027 6 4 61560 0.2112 0.4629 -0.20649 2027 6 5 61561 0.2127 0.4621 -0.20602 2027 6 6 61562 0.2142 0.4613 -0.20554 2027 6 7 61563 0.2157 0.4605 -0.20507 2027 6 8 61564 0.2172 0.4597 -0.20477 2027 6 9 61565 0.2187 0.4588 -0.20468 2027 6 10 61566 0.2202 0.4579 -0.20484 2027 6 11 61567 0.2216 0.4570 -0.20520 2027 6 12 61568 0.2231 0.4561 -0.20550 2027 6 13 61569 0.2245 0.4552 -0.20565 2027 6 14 61570 0.2259 0.4542 -0.20555 2027 6 15 61571 0.2273 0.4532 -0.20520 2027 6 16 61572 0.2286 0.4522 -0.20456 2027 6 17 61573 0.2300 0.4512 -0.20365 2027 6 18 61574 0.2313 0.4501 -0.20261 2027 6 19 61575 0.2327 0.4490 -0.20151 2027 6 20 61576 0.2340 0.4480 -0.20040 2027 6 21 61577 0.2353 0.4468 -0.19940 2027 6 22 61578 0.2365 0.4457 -0.19847 2027 6 23 61579 0.2378 0.4446 -0.19770 2027 6 24 61580 0.2390 0.4434 -0.19715 2027 6 25 61581 0.2402 0.4422 -0.19675 2027 6 26 61582 0.2414 0.4410 -0.19650 2027 6 27 61583 0.2426 0.4398 -0.19633 2027 6 28 61584 0.2437 0.4385 -0.19621 2027 6 29 61585 0.2449 0.4373 -0.19597 2027 6 30 61586 0.2460 0.4360 -0.19559 2027 7 1 61587 0.2470 0.4347 -0.19496 2027 7 2 61588 0.2481 0.4334 -0.19414 2027 7 3 61589 0.2491 0.4321 -0.19325 2027 7 4 61590 0.2502 0.4308 -0.19235 2027 7 5 61591 0.2512 0.4294 -0.19155 2027 7 6 61592 0.2521 0.4280 -0.19095 2027 7 7 61593 0.2531 0.4267 -0.19061 2027 7 8 61594 0.2540 0.4253 -0.19051 2027 7 9 61595 0.2549 0.4238 -0.19048 2027 7 10 61596 0.2558 0.4224 -0.19037 2027 7 11 61597 0.2566 0.4210 -0.19009 2027 7 12 61598 0.2574 0.4195 -0.18948 2027 7 13 61599 0.2582 0.4181 -0.18861 2027 7 14 61600 0.2590 0.4166 -0.18746 2027 7 15 61601 0.2597 0.4151 -0.18615 2027 7 16 61602 0.2605 0.4136 -0.18478 2027 7 17 61603 0.2612 0.4121 -0.18334 2027 7 18 61604 0.2618 0.4106 -0.18202 2027 7 19 61605 0.2625 0.4090 -0.18082 2027 7 20 61606 0.2631 0.4075 -0.17974 2027 7 21 61607 0.2636 0.4059 -0.17884 2027 7 22 61608 0.2642 0.4044 -0.17807 2027 7 23 61609 0.2647 0.4028 -0.17740 2027 7 24 61610 0.2652 0.4012 -0.17685 2027 7 25 61611 0.2657 0.3996 -0.17639 2027 7 26 61612 0.2661 0.3980 -0.17594 2027 7 27 61613 0.2665 0.3964 -0.17535 2027 7 28 61614 0.2669 0.3948 -0.17454 2027 7 29 61615 0.2673 0.3932 -0.17357 2027 7 30 61616 0.2676 0.3916 -0.17252 2027 7 31 61617 0.2679 0.3900 -0.17150 2027 8 1 61618 0.2682 0.3883 -0.17067 2027 8 2 61619 0.2684 0.3867 -0.17007 2027 8 3 61620 0.2686 0.3851 -0.16983 2027 8 4 61621 0.2688 0.3834 -0.16988 2027 8 5 61622 0.2689 0.3818 -0.17013 2027 8 6 61623 0.2690 0.3801 -0.17040 2027 8 7 61624 0.2691 0.3785 -0.17052 2027 8 8 61625 0.2692 0.3768 -0.17037 2027 8 9 61626 0.2692 0.3752 -0.16988 2027 8 10 61627 0.2692 0.3735 -0.16911 2027 8 11 61628 0.2691 0.3719 -0.16811 2027 8 12 61629 0.2691 0.3702 -0.16703 2027 8 13 61630 0.2690 0.3686 -0.16590 2027 8 14 61631 0.2688 0.3669 -0.16479 2027 8 15 61632 0.2687 0.3653 -0.16379 2027 8 16 61633 0.2685 0.3636 -0.16286 2027 8 17 61634 0.2683 0.3620 -0.16215 2027 8 18 61635 0.2680 0.3603 -0.16165 2027 8 19 61636 0.2677 0.3587 -0.16136 2027 8 20 61637 0.2674 0.3571 -0.16120 2027 8 21 61638 0.2670 0.3554 -0.16099 2027 8 22 61639 0.2667 0.3538 -0.16072 2027 8 23 61640 0.2663 0.3522 -0.16043 2027 8 24 61641 0.2658 0.3506 -0.15995 2027 8 25 61642 0.2654 0.3490 -0.15928 2027 8 26 61643 0.2649 0.3474 -0.15846 2027 8 27 61644 0.2643 0.3458 -0.15763 2027 8 28 61645 0.2638 0.3442 -0.15683 2027 8 29 61646 0.2632 0.3426 -0.15624 2027 8 30 61647 0.2626 0.3410 -0.15599 2027 8 31 61648 0.2619 0.3395 -0.15604 2027 9 1 61649 0.2612 0.3379 -0.15632 2027 9 2 61650 0.2605 0.3364 -0.15676 2027 9 3 61651 0.2598 0.3349 -0.15720 2027 9 4 61652 0.2590 0.3333 -0.15741 2027 9 5 61653 0.2582 0.3318 -0.15736 2027 9 6 61654 0.2574 0.3303 -0.15697 2027 9 7 61655 0.2565 0.3288 -0.15632 2027 9 8 61656 0.2556 0.3274 -0.15556 2027 9 9 61657 0.2547 0.3259 -0.15480 2027 9 10 61658 0.2538 0.3245 -0.15400 2027 9 11 61659 0.2528 0.3230 -0.15339 2027 9 12 61660 0.2518 0.3216 -0.15279 2027 9 13 61661 0.2508 0.3202 -0.15226 2027 9 14 61662 0.2497 0.3188 -0.15189 2027 9 15 61663 0.2486 0.3174 -0.15166 2027 9 16 61664 0.2475 0.3161 -0.15149 2027 9 17 61665 0.2464 0.3147 -0.15132 2027 9 18 61666 0.2452 0.3134 -0.15107 2027 9 19 61667 0.2441 0.3121 -0.15067 2027 9 20 61668 0.2429 0.3108 -0.15010 2027 9 21 61669 0.2416 0.3095 -0.14939 2027 9 22 61670 0.2403 0.3083 -0.14854 2027 9 23 61671 0.2391 0.3070 -0.14767 2027 9 24 61672 0.2377 0.3058 -0.14684 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) 61278 -123.67 1.07 -11.64 0.35 61279 -123.73 1.07 -11.47 0.35 61280 -123.72 1.07 -11.37 0.35 61281 -123.74 0.32 -11.40 0.16 61282 -123.88 0.91 -11.50 0.32 61283 -124.09 0.91 -11.59 0.32 61284 -124.27 0.91 -11.62 0.32 61285 -124.35 0.91 -11.61 0.32 61286 -124.30 0.91 -11.60 0.32 61287 -124.13 0.91 -11.62 0.32 61288 -123.85 0.32 -11.67 0.16 61289 -123.52 1.24 -11.72 0.12 61290 -123.27 1.24 -11.72 0.12 61291 -123.18 1.24 -11.63 0.12 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 61278 0.417 0.427 -0.288 0.353 61279 0.421 0.427 -0.289 0.353 61280 0.424 0.427 -0.288 0.353 61281 0.427 0.128 -0.286 0.160 61282 0.429 0.362 -0.282 0.322 61283 0.431 0.362 -0.277 0.322 61284 0.434 0.362 -0.270 0.322 61285 0.438 0.362 -0.261 0.322 61286 0.443 0.362 -0.252 0.322 61287 0.448 0.362 -0.242 0.322 61288 0.454 0.128 -0.230 0.160 61289 0.461 0.492 -0.218 0.116 61290 0.468 0.492 -0.206 0.116 61291 0.475 0.492 -0.193 0.116