********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 1 October 2026 Vol. XXXIX No. 040 ______________________________________________________________________ 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 25 61308 0.18080 .00009 0.32698 .00009 -0.014841 0.000026 26 9 26 61309 0.18001 .00009 0.32660 .00009 -0.016314 0.000026 26 9 27 61310 0.17916 .00009 0.32613 .00009 -0.017853 0.000024 26 9 28 61311 0.17840 .00009 0.32585 .00009 -0.019331 0.000024 26 9 29 61312 0.17744 .00009 0.32593 .00009 -0.020636 0.000021 26 9 30 61313 0.17612 .00009 0.32582 .00009 -0.021714 0.000021 26 10 1 61314 0.17460 .00009 0.32534 .00009 -0.022532 0.000021 IERS Final Values MJD x y UT1-UTC " " s 26 8 2 61254 0.2224 0.3647 0.01230 26 8 3 61255 0.2227 0.3639 0.01177 26 8 4 61256 0.2226 0.3629 0.01126 26 8 5 61257 0.2227 0.3617 0.01084 26 8 6 61258 0.2229 0.3608 0.01061 26 8 7 61259 0.2231 0.3600 0.01059 26 8 8 61260 0.2235 0.3595 0.01078 26 8 9 61261 0.2236 0.3591 0.01114 26 8 10 61262 0.2233 0.3587 0.01151 26 8 11 61263 0.2228 0.3578 0.01172 26 8 12 61264 0.2228 0.3570 0.01162 26 8 13 61265 0.2230 0.3562 0.01116 26 8 14 61266 0.2231 0.3551 0.01039 26 8 15 61267 0.2232 0.3541 0.00945 26 8 16 61268 0.2230 0.3530 0.00855 26 8 17 61269 0.2226 0.3520 0.00781 26 8 18 61270 0.2216 0.3512 0.00723 26 8 19 61271 0.2207 0.3503 0.00687 26 8 20 61272 0.2196 0.3495 0.00674 26 8 21 61273 0.2186 0.3488 0.00675 26 8 22 61274 0.2175 0.3478 0.00685 26 8 23 61275 0.2165 0.3467 0.00701 26 8 24 61276 0.2153 0.3457 0.00708 26 8 25 61277 0.2142 0.3447 0.00705 26 8 26 61278 0.2133 0.3437 0.00688 26 8 27 61279 0.2130 0.3424 0.00650 26 8 28 61280 0.2129 0.3415 0.00589 26 8 29 61281 0.2125 0.3406 0.00509 26 8 30 61282 0.2121 0.3399 0.00417 26 8 31 61283 0.2114 0.3396 0.00327 26 9 1 61284 0.2109 0.3393 0.00245 _______________________________________________________________________ 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 = 0.1557 + 0.0618 cos A - 0.1004 sin A - 0.0487 cos C + 0.0295 sin C y = 0.3788 - 0.0845 cos A - 0.0581 sin A + 0.0295 cos C + 0.0487 sin C UT1-UTC = -0.0965 - 0.00033 (MJD - 61322) - (UT2-UT1) where A = 2*pi*(MJD-61314)/365.25 and C = 2*pi*(MJD-61314)/435. TAI-UTC(MJD 61315) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-61314)**0.80 S t = 0.00025 (MJD-61314)**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 10 2 61315 0.1733 0.3248 -0.02312 2026 10 3 61316 0.1719 0.3243 -0.02360 2026 10 4 61317 0.1707 0.3238 -0.02412 2026 10 5 61318 0.1696 0.3233 -0.02480 2026 10 6 61319 0.1686 0.3230 -0.02570 2026 10 7 61320 0.1675 0.3228 -0.02678 2026 10 8 61321 0.1665 0.3226 -0.02802 2026 10 9 61322 0.1654 0.3224 -0.02934 2026 10 10 61323 0.1643 0.3222 -0.03065 2026 10 11 61324 0.1631 0.3220 -0.03188 2026 10 12 61325 0.1620 0.3218 -0.03298 2026 10 13 61326 0.1608 0.3216 -0.03390 2026 10 14 61327 0.1597 0.3215 -0.03466 2026 10 15 61328 0.1585 0.3213 -0.03530 2026 10 16 61329 0.1574 0.3212 -0.03587 2026 10 17 61330 0.1562 0.3211 -0.03647 2026 10 18 61331 0.1551 0.3210 -0.03716 2026 10 19 61332 0.1539 0.3210 -0.03804 2026 10 20 61333 0.1528 0.3209 -0.03911 2026 10 21 61334 0.1516 0.3209 -0.04043 2026 10 22 61335 0.1505 0.3209 -0.04197 2026 10 23 61336 0.1493 0.3209 -0.04370 2026 10 24 61337 0.1482 0.3209 -0.04553 2026 10 25 61338 0.1470 0.3210 -0.04737 2026 10 26 61339 0.1458 0.3210 -0.04910 2026 10 27 61340 0.1447 0.3211 -0.05059 2026 10 28 61341 0.1435 0.3212 -0.05182 2026 10 29 61342 0.1423 0.3213 -0.05281 2026 10 30 61343 0.1412 0.3214 -0.05368 2026 10 31 61344 0.1400 0.3216 -0.05456 2026 11 1 61345 0.1388 0.3217 -0.05559 2026 11 2 61346 0.1377 0.3219 -0.05685 2026 11 3 61347 0.1365 0.3221 -0.05834 2026 11 4 61348 0.1353 0.3223 -0.06002 2026 11 5 61349 0.1341 0.3226 -0.06179 2026 11 6 61350 0.1330 0.3228 -0.06357 2026 11 7 61351 0.1318 0.3231 -0.06524 2026 11 8 61352 0.1306 0.3234 -0.06673 2026 11 9 61353 0.1295 0.3236 -0.06800 2026 11 10 61354 0.1283 0.3240 -0.06904 2026 11 11 61355 0.1271 0.3243 -0.06990 2026 11 12 61356 0.1260 0.3247 -0.07062 2026 11 13 61357 0.1248 0.3250 -0.07129 2026 11 14 61358 0.1237 0.3254 -0.07197 2026 11 15 61359 0.1225 0.3258 -0.07275 2026 11 16 61360 0.1214 0.3262 -0.07366 2026 11 17 61361 0.1202 0.3267 -0.07476 2026 11 18 61362 0.1191 0.3271 -0.07605 2026 11 19 61363 0.1179 0.3276 -0.07754 2026 11 20 61364 0.1168 0.3281 -0.07916 2026 11 21 61365 0.1157 0.3286 -0.08085 2026 11 22 61366 0.1146 0.3291 -0.08250 2026 11 23 61367 0.1134 0.3296 -0.08399 2026 11 24 61368 0.1123 0.3302 -0.08524 2026 11 25 61369 0.1112 0.3308 -0.08625 2026 11 26 61370 0.1101 0.3314 -0.08709 2026 11 27 61371 0.1090 0.3320 -0.08790 2026 11 28 61372 0.1080 0.3326 -0.08880 2026 11 29 61373 0.1069 0.3332 -0.08991 2026 11 30 61374 0.1058 0.3339 -0.09124 2026 12 1 61375 0.1048 0.3345 -0.09275 2026 12 2 61376 0.1037 0.3352 -0.09434 2026 12 3 61377 0.1027 0.3359 -0.09589 2026 12 4 61378 0.1017 0.3366 -0.09733 2026 12 5 61379 0.1006 0.3374 -0.09858 2026 12 6 61380 0.0996 0.3381 -0.09961 2026 12 7 61381 0.0986 0.3389 -0.10043 2026 12 8 61382 0.0976 0.3397 -0.10105 2026 12 9 61383 0.0967 0.3405 -0.10152 2026 12 10 61384 0.0957 0.3413 -0.10193 2026 12 11 61385 0.0948 0.3421 -0.10233 2026 12 12 61386 0.0938 0.3429 -0.10281 2026 12 13 61387 0.0929 0.3438 -0.10342 2026 12 14 61388 0.0920 0.3446 -0.10420 2026 12 15 61389 0.0911 0.3455 -0.10517 2026 12 16 61390 0.0902 0.3464 -0.10631 2026 12 17 61391 0.0893 0.3473 -0.10759 2026 12 18 61392 0.0885 0.3483 -0.10894 2026 12 19 61393 0.0876 0.3492 -0.11029 2026 12 20 61394 0.0868 0.3501 -0.11151 2026 12 21 61395 0.0860 0.3511 -0.11253 2026 12 22 61396 0.0852 0.3521 -0.11330 2026 12 23 61397 0.0844 0.3531 -0.11387 2026 12 24 61398 0.0836 0.3541 -0.11434 2026 12 25 61399 0.0829 0.3551 -0.11486 2026 12 26 61400 0.0821 0.3561 -0.11556 2026 12 27 61401 0.0814 0.3571 -0.11651 2026 12 28 61402 0.0807 0.3582 -0.11769 2026 12 29 61403 0.0800 0.3592 -0.11899 2026 12 30 61404 0.0794 0.3603 -0.12029 2026 12 31 61405 0.0787 0.3614 -0.12147 2027 1 1 61406 0.0781 0.3625 -0.12246 2027 1 2 61407 0.0775 0.3636 -0.12322 2027 1 3 61408 0.0769 0.3647 -0.12374 2027 1 4 61409 0.0763 0.3658 -0.12406 2027 1 5 61410 0.0758 0.3669 -0.12422 2027 1 6 61411 0.0752 0.3681 -0.12428 2027 1 7 61412 0.0747 0.3692 -0.12432 2027 1 8 61413 0.0742 0.3704 -0.12441 2027 1 9 61414 0.0737 0.3715 -0.12462 2027 1 10 61415 0.0733 0.3727 -0.12499 2027 1 11 61416 0.0729 0.3739 -0.12553 2027 1 12 61417 0.0724 0.3751 -0.12625 2027 1 13 61418 0.0720 0.3763 -0.12709 2027 1 14 61419 0.0717 0.3775 -0.12802 2027 1 15 61420 0.0713 0.3787 -0.12894 2027 1 16 61421 0.0710 0.3799 -0.12977 2027 1 17 61422 0.0707 0.3811 -0.13044 2027 1 18 61423 0.0704 0.3823 -0.13106 2027 1 19 61424 0.0702 0.3836 -0.13149 2027 1 20 61425 0.0699 0.3848 -0.13180 2027 1 21 61426 0.0697 0.3860 -0.13213 2027 1 22 61427 0.0695 0.3873 -0.13262 2027 1 23 61428 0.0693 0.3885 -0.13338 2027 1 24 61429 0.0692 0.3898 -0.13443 2027 1 25 61430 0.0691 0.3910 -0.13570 2027 1 26 61431 0.0690 0.3923 -0.13705 2027 1 27 61432 0.0689 0.3936 -0.13834 2027 1 28 61433 0.0688 0.3948 -0.13946 2027 1 29 61434 0.0688 0.3961 -0.14035 2027 1 30 61435 0.0688 0.3973 -0.14100 2027 1 31 61436 0.0688 0.3986 -0.14143 2027 2 1 61437 0.0688 0.3999 -0.14170 2027 2 2 61438 0.0689 0.4012 -0.14187 2027 2 3 61439 0.0690 0.4024 -0.14201 2027 2 4 61440 0.0691 0.4037 -0.14219 2027 2 5 61441 0.0692 0.4050 -0.14249 2027 2 6 61442 0.0694 0.4062 -0.14295 2027 2 7 61443 0.0695 0.4075 -0.14361 2027 2 8 61444 0.0697 0.4088 -0.14445 2027 2 9 61445 0.0700 0.4100 -0.14545 2027 2 10 61446 0.0702 0.4113 -0.14655 2027 2 11 61447 0.0705 0.4125 -0.14767 2027 2 12 61448 0.0708 0.4138 -0.14872 2027 2 13 61449 0.0711 0.4150 -0.14962 2027 2 14 61450 0.0715 0.4163 -0.15034 2027 2 15 61451 0.0718 0.4175 -0.15086 2027 2 16 61452 0.0722 0.4188 -0.15124 2027 2 17 61453 0.0727 0.4200 -0.15160 2027 2 18 61454 0.0731 0.4212 -0.15206 2027 2 19 61455 0.0736 0.4225 -0.15277 2027 2 20 61456 0.0741 0.4237 -0.15378 2027 2 21 61457 0.0746 0.4249 -0.15506 2027 2 22 61458 0.0751 0.4261 -0.15652 2027 2 23 61459 0.0757 0.4273 -0.15800 2027 2 24 61460 0.0763 0.4285 -0.15937 2027 2 25 61461 0.0769 0.4297 -0.16051 2027 2 26 61462 0.0775 0.4308 -0.16140 2027 2 27 61463 0.0782 0.4320 -0.16205 2027 2 28 61464 0.0789 0.4332 -0.16251 2027 3 1 61465 0.0796 0.4343 -0.16284 2027 3 2 61466 0.0803 0.4355 -0.16312 2027 3 3 61467 0.0810 0.4366 -0.16343 2027 3 4 61468 0.0818 0.4377 -0.16382 2027 3 5 61469 0.0826 0.4388 -0.16437 2027 3 6 61470 0.0834 0.4399 -0.16512 2027 3 7 61471 0.0843 0.4410 -0.16606 2027 3 8 61472 0.0851 0.4421 -0.16718 2027 3 9 61473 0.0860 0.4431 -0.16843 2027 3 10 61474 0.0869 0.4442 -0.16972 2027 3 11 61475 0.0878 0.4452 -0.17096 2027 3 12 61476 0.0888 0.4463 -0.17206 2027 3 13 61477 0.0898 0.4473 -0.17297 2027 3 14 61478 0.0907 0.4483 -0.17368 2027 3 15 61479 0.0918 0.4493 -0.17422 2027 3 16 61480 0.0928 0.4502 -0.17470 2027 3 17 61481 0.0938 0.4512 -0.17524 2027 3 18 61482 0.0949 0.4521 -0.17596 2027 3 19 61483 0.0960 0.4531 -0.17696 2027 3 20 61484 0.0971 0.4540 -0.17825 2027 3 21 61485 0.0982 0.4549 -0.17976 2027 3 22 61486 0.0994 0.4558 -0.18138 2027 3 23 61487 0.1006 0.4566 -0.18297 2027 3 24 61488 0.1018 0.4575 -0.18439 2027 3 25 61489 0.1030 0.4583 -0.18558 2027 3 26 61490 0.1042 0.4591 -0.18653 2027 3 27 61491 0.1054 0.4599 -0.18728 2027 3 28 61492 0.1067 0.4607 -0.18788 2027 3 29 61493 0.1080 0.4615 -0.18842 2027 3 30 61494 0.1093 0.4622 -0.18899 2027 3 31 61495 0.1106 0.4629 -0.18965 2027 4 1 61496 0.1119 0.4636 -0.19049 2027 4 2 61497 0.1132 0.4643 -0.19155 2027 4 3 61498 0.1146 0.4650 -0.19286 2027 4 4 61499 0.1160 0.4656 -0.19442 2027 4 5 61500 0.1174 0.4663 -0.19619 2027 4 6 61501 0.1188 0.4669 -0.19808 2027 4 7 61502 0.1202 0.4675 -0.20000 2027 4 8 61503 0.1216 0.4680 -0.20182 2027 4 9 61504 0.1231 0.4686 -0.20343 2027 4 10 61505 0.1245 0.4691 -0.20475 2027 4 11 61506 0.1260 0.4696 -0.20579 2027 4 12 61507 0.1275 0.4701 -0.20660 2027 4 13 61508 0.1290 0.4706 -0.20729 2027 4 14 61509 0.1305 0.4710 -0.20800 2027 4 15 61510 0.1320 0.4714 -0.20882 2027 4 16 61511 0.1335 0.4718 -0.20981 2027 4 17 61512 0.1351 0.4722 -0.21095 2027 4 18 61513 0.1366 0.4726 -0.21218 2027 4 19 61514 0.1382 0.4729 -0.21337 2027 4 20 61515 0.1397 0.4732 -0.21441 2027 4 21 61516 0.1413 0.4735 -0.21521 2027 4 22 61517 0.1429 0.4738 -0.21573 2027 4 23 61518 0.1445 0.4740 -0.21599 2027 4 24 61519 0.1461 0.4742 -0.21603 2027 4 25 61520 0.1477 0.4744 -0.21593 2027 4 26 61521 0.1493 0.4746 -0.21578 2027 4 27 61522 0.1509 0.4747 -0.21565 2027 4 28 61523 0.1526 0.4749 -0.21561 2027 4 29 61524 0.1542 0.4750 -0.21570 2027 4 30 61525 0.1558 0.4750 -0.21596 2027 5 1 61526 0.1575 0.4751 -0.21642 2027 5 2 61527 0.1591 0.4751 -0.21704 2027 5 3 61528 0.1608 0.4751 -0.21780 2027 5 4 61529 0.1624 0.4751 -0.21860 2027 5 5 61530 0.1641 0.4751 -0.21936 2027 5 6 61531 0.1657 0.4750 -0.21996 2027 5 7 61532 0.1674 0.4749 -0.22034 2027 5 8 61533 0.1691 0.4748 -0.22047 2027 5 9 61534 0.1707 0.4747 -0.22045 2027 5 10 61535 0.1724 0.4745 -0.22039 2027 5 11 61536 0.1741 0.4743 -0.22034 2027 5 12 61537 0.1757 0.4741 -0.22037 2027 5 13 61538 0.1774 0.4738 -0.22061 2027 5 14 61539 0.1790 0.4736 -0.22107 2027 5 15 61540 0.1807 0.4733 -0.22164 2027 5 16 61541 0.1824 0.4730 -0.22220 2027 5 17 61542 0.1840 0.4726 -0.22259 2027 5 18 61543 0.1857 0.4723 -0.22274 2027 5 19 61544 0.1873 0.4719 -0.22263 2027 5 20 61545 0.1890 0.4715 -0.22225 2027 5 21 61546 0.1906 0.4710 -0.22168 2027 5 22 61547 0.1922 0.4706 -0.22092 2027 5 23 61548 0.1939 0.4701 -0.22014 2027 5 24 61549 0.1955 0.4696 -0.21947 2027 5 25 61550 0.1971 0.4691 -0.21890 2027 5 26 61551 0.1987 0.4685 -0.21839 2027 5 27 61552 0.2003 0.4679 -0.21796 2027 5 28 61553 0.2019 0.4673 -0.21770 2027 5 29 61554 0.2035 0.4667 -0.21755 2027 5 30 61555 0.2051 0.4661 -0.21753 2027 5 31 61556 0.2066 0.4654 -0.21752 2027 6 1 61557 0.2082 0.4647 -0.21739 2027 6 2 61558 0.2097 0.4640 -0.21714 2027 6 3 61559 0.2113 0.4632 -0.21669 2027 6 4 61560 0.2128 0.4625 -0.21606 2027 6 5 61561 0.2143 0.4617 -0.21525 2027 6 6 61562 0.2158 0.4609 -0.21444 2027 6 7 61563 0.2173 0.4600 -0.21367 2027 6 8 61564 0.2188 0.4592 -0.21312 2027 6 9 61565 0.2202 0.4583 -0.21282 2027 6 10 61566 0.2217 0.4574 -0.21279 2027 6 11 61567 0.2231 0.4565 -0.21291 2027 6 12 61568 0.2246 0.4555 -0.21306 2027 6 13 61569 0.2260 0.4546 -0.21317 2027 6 14 61570 0.2273 0.4536 -0.21311 2027 6 15 61571 0.2287 0.4526 -0.21283 2027 6 16 61572 0.2301 0.4515 -0.21237 2027 6 17 61573 0.2314 0.4505 -0.21166 2027 6 18 61574 0.2328 0.4494 -0.21085 2027 6 19 61575 0.2341 0.4483 -0.20990 2027 6 20 61576 0.2353 0.4472 -0.20901 2027 6 21 61577 0.2366 0.4461 -0.20812 2027 6 22 61578 0.2379 0.4450 -0.20732 2027 6 23 61579 0.2391 0.4438 -0.20665 2027 6 24 61580 0.2403 0.4426 -0.20617 2027 6 25 61581 0.2415 0.4414 -0.20590 2027 6 26 61582 0.2427 0.4402 -0.20566 2027 6 27 61583 0.2438 0.4390 -0.20542 2027 6 28 61584 0.2450 0.4377 -0.20512 2027 6 29 61585 0.2461 0.4364 -0.20470 2027 6 30 61586 0.2472 0.4352 -0.20406 2027 7 1 61587 0.2483 0.4339 -0.20319 2027 7 2 61588 0.2493 0.4325 -0.20214 2027 7 3 61589 0.2503 0.4312 -0.20103 2027 7 4 61590 0.2513 0.4299 -0.19994 2027 7 5 61591 0.2523 0.4285 -0.19907 2027 7 6 61592 0.2532 0.4271 -0.19842 2027 7 7 61593 0.2542 0.4257 -0.19806 2027 7 8 61594 0.2551 0.4243 -0.19795 2027 7 9 61595 0.2560 0.4229 -0.19791 2027 7 10 61596 0.2568 0.4214 -0.19785 2027 7 11 61597 0.2576 0.4200 -0.19762 2027 7 12 61598 0.2585 0.4185 -0.19722 2027 7 13 61599 0.2592 0.4170 -0.19655 2027 7 14 61600 0.2600 0.4156 -0.19569 2027 7 15 61601 0.2607 0.4141 -0.19461 2027 7 16 61602 0.2614 0.4126 -0.19344 2027 7 17 61603 0.2621 0.4110 -0.19228 2027 7 18 61604 0.2627 0.4095 -0.19116 2027 7 19 61605 0.2634 0.4080 -0.19007 2027 7 20 61606 0.2639 0.4064 -0.18908 2027 7 21 61607 0.2645 0.4049 -0.18825 2027 7 22 61608 0.2650 0.4033 -0.18762 2027 7 23 61609 0.2656 0.4017 -0.18713 2027 7 24 61610 0.2660 0.4001 -0.18670 2027 7 25 61611 0.2665 0.3985 -0.18630 2027 7 26 61612 0.2669 0.3969 -0.18574 2027 7 27 61613 0.2673 0.3953 -0.18505 2027 7 28 61614 0.2677 0.3937 -0.18412 2027 7 29 61615 0.2680 0.3921 -0.18303 2027 7 30 61616 0.2683 0.3905 -0.18184 2027 7 31 61617 0.2686 0.3889 -0.18059 2027 8 1 61618 0.2688 0.3872 -0.17955 2027 8 2 61619 0.2690 0.3856 -0.17876 2027 8 3 61620 0.2692 0.3839 -0.17825 2027 8 4 61621 0.2694 0.3823 -0.17803 2027 8 5 61622 0.2695 0.3807 -0.17795 2027 8 6 61623 0.2696 0.3790 -0.17784 2027 8 7 61624 0.2697 0.3774 -0.17764 2027 8 8 61625 0.2697 0.3757 -0.17727 2027 8 9 61626 0.2697 0.3741 -0.17672 2027 8 10 61627 0.2697 0.3724 -0.17592 2027 8 11 61628 0.2697 0.3708 -0.17491 2027 8 12 61629 0.2696 0.3691 -0.17379 2027 8 13 61630 0.2695 0.3675 -0.17270 2027 8 14 61631 0.2693 0.3658 -0.17170 2027 8 15 61632 0.2691 0.3642 -0.17088 2027 8 16 61633 0.2689 0.3625 -0.17018 2027 8 17 61634 0.2687 0.3609 -0.16972 2027 8 18 61635 0.2684 0.3592 -0.16944 2027 8 19 61636 0.2681 0.3576 -0.16935 2027 8 20 61637 0.2678 0.3560 -0.16939 2027 8 21 61638 0.2674 0.3543 -0.16944 2027 8 22 61639 0.2670 0.3527 -0.16943 2027 8 23 61640 0.2666 0.3511 -0.16921 2027 8 24 61641 0.2662 0.3495 -0.16881 2027 8 25 61642 0.2657 0.3479 -0.16820 2027 8 26 61643 0.2652 0.3463 -0.16747 2027 8 27 61644 0.2646 0.3447 -0.16669 2027 8 28 61645 0.2640 0.3431 -0.16596 2027 8 29 61646 0.2634 0.3416 -0.16543 2027 8 30 61647 0.2628 0.3400 -0.16513 2027 8 31 61648 0.2622 0.3384 -0.16519 2027 9 1 61649 0.2615 0.3369 -0.16553 2027 9 2 61650 0.2607 0.3354 -0.16603 2027 9 3 61651 0.2600 0.3338 -0.16651 2027 9 4 61652 0.2592 0.3323 -0.16671 2027 9 5 61653 0.2584 0.3308 -0.16663 2027 9 6 61654 0.2576 0.3293 -0.16638 2027 9 7 61655 0.2567 0.3279 -0.16589 2027 9 8 61656 0.2558 0.3264 -0.16523 2027 9 9 61657 0.2549 0.3249 -0.16451 2027 9 10 61658 0.2539 0.3235 -0.16385 2027 9 11 61659 0.2529 0.3221 -0.16323 2027 9 12 61660 0.2519 0.3207 -0.16276 2027 9 13 61661 0.2509 0.3193 -0.16250 2027 9 14 61662 0.2498 0.3179 -0.16241 2027 9 15 61663 0.2488 0.3165 -0.16245 2027 9 16 61664 0.2476 0.3152 -0.16268 2027 9 17 61665 0.2465 0.3138 -0.16302 2027 9 18 61666 0.2453 0.3125 -0.16330 2027 9 19 61667 0.2441 0.3112 -0.16348 2027 9 20 61668 0.2429 0.3100 -0.16344 2027 9 21 61669 0.2417 0.3087 -0.16318 2027 9 22 61670 0.2404 0.3075 -0.16279 2027 9 23 61671 0.2391 0.3062 -0.16238 2027 9 24 61672 0.2378 0.3050 -0.16194 2027 9 25 61673 0.2365 0.3038 -0.16175 2027 9 26 61674 0.2351 0.3027 -0.16167 2027 9 27 61675 0.2337 0.3015 -0.16180 2027 9 28 61676 0.2323 0.3004 -0.16218 2027 9 29 61677 0.2309 0.2993 -0.16271 2027 9 30 61678 0.2294 0.2982 -0.16320 2027 10 1 61679 0.2279 0.2972 -0.16352 These predictions are based on all announced leap seconds. IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 61254 -121.7 -11.8 61255 -121.9 -11.9 61256 -122.0 -11.9 61257 -122.1 -11.9 61258 -122.3 -11.8 61259 -122.5 -11.8 61260 -122.5 -11.9 61261 -122.4 -12.0 61262 -122.1 -12.0 61263 -122.1 -11.9 61264 -122.2 -11.7 61265 -122.4 -11.6 61266 -122.5 -11.7 61267 -122.6 -11.7 61268 -123.2 -11.8 61269 -123.9 -11.7 61270 -124.5 -11.8 61271 -124.6 -11.8 61272 -124.3 -11.7 61273 -123.9 -11.5 61274 -123.5 -11.4 61275 -123.4 -11.5 61276 -123.4 -11.7 61277 -123.5 -11.8 61278 -123.6 -11.8 61279 -123.7 -11.6 61280 -123.7 -11.6 61281 -123.7 -11.6 61282 -123.9 -11.7 61283 -124.1 -11.7 61284 -124.2 -11.7 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 61254 0.39 -0.32 61255 0.40 -0.30 61256 0.41 -0.27 61257 0.41 -0.20 61258 0.41 -0.12 61259 0.41 -0.06 61260 0.41 -0.05 61261 0.41 -0.08 61262 0.41 -0.12 61263 0.40 -0.18 61264 0.38 -0.21 61265 0.36 -0.24 61266 0.33 -0.27 61267 0.31 -0.28 61268 0.30 -0.28 61269 0.29 -0.26 61270 0.29 -0.23 61271 0.32 -0.17 61272 0.36 -0.10 61273 0.39 -0.04 61274 0.41 -0.07 61275 0.42 -0.15 61276 0.42 -0.25 61277 0.42 -0.35 61278 0.42 -0.40 61279 0.42 -0.43 61280 0.42 -0.44 61281 0.42 -0.43 61282 0.43 -0.41 61283 0.43 -0.38 61284 0.44 -0.34