********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 25 November 2021 Vol. XXXIV No. 047 ______________________________________________________________________ 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 17 July 2021 at 0000 UTC Beginning 1 January 2017: TAI-UTC = 37.000 000 seconds *********************************************************************** * * * There will NOT be a leap second introduced * * in UTC at the end of Dec 2021 * * * * The US Naval Observatory's Rapid Service/Prediction Center website * * (maia.usno.navy.mil) must undergo modernization and has been * * offline since 24 October 2019. The expected completion of work and * * return of service will be no earlier than Summer of 2021. * * * * Although the Bulletin A makes several references to maia, the * * paragraph above supersedes any information contained in the * * Bulletin A text. * * * * Updated EOPs are available at NASA's Archive of Space Geodesy Data: * * https://cddis.nasa.gov/archive/products/iers * * ftps://gdc.cddis.eosdis.nasa.gov/products/iers * * Daily EOP data may be available here by 18:00 UTC, and Bulletin A * * EOP data may be available by 20:00 UTC. * * For additional information on accessing CDDIS, please refer to: * * https://cddis.nasa.gov/About/CDDIS_File_Download_FAQ.html * * * * Updated EOPs may also be available at IERS: * * https://datacenter.iers.org/eop.php * * EOP data files are uploaded directly from USNO to this site each * * day. For further information, contact the IERS directly. * * * * Users should verify results obtained from these sites; we cannot * * guarantee the integrity or timeliness of files provided at * * third-party sites. * * * * Questions and enquiries about EOPs can be emailed to the * * following address: * * usn.ncr.navobsydc.mbx.eopcp@mail.mil * * Due to ongoing email issues, please CC * * navobsy_eop.fct@navy.mil * * until further notice. * * * * Starting on the 18 Nov 2021, new versions of the USNO VLBI * * solutions (usn2021c.eoxy and usn2021c.eopi) are being used. * * The effect appears to be less than 0.1 mas in polar motion and * * 10 us in UT1-UTC. * * * * 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 21 11 19 59537 0.13778 .00009 0.24519 .00009 -0.108452 0.000008 21 11 20 59538 0.13557 .00009 0.24540 .00009 -0.108186 0.000014 21 11 21 59539 0.13348 .00009 0.24600 .00009 -0.107774 0.000013 21 11 22 59540 0.13155 .00009 0.24682 .00009 -0.107299 0.000011 21 11 23 59541 0.12962 .00009 0.24726 .00009 -0.106741 0.000010 21 11 24 59542 0.12791 .00009 0.24740 .00009 -0.106222 0.000010 21 11 25 59543 0.12657 .00009 0.24768 .00009 -0.105769 0.000008 _______________________________________________________________________ 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 = 0.1466 + 0.0236 cos A - 0.1033 sin A - 0.0398 cos C - 0.0177 sin C y = 0.3561 - 0.0913 cos A - 0.0278 sin A - 0.0177 cos C + 0.0398 sin C UT1-UTC = -0.1142 + 0.00021 (MJD - 59551) - (UT2-UT1) where A = 2*pi*(MJD-59543)/365.25 and C = 2*pi*(MJD-59543)/435. TAI-UTC(MJD 59544) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-59543)**0.80 S t = 0.00025 (MJD-59543)**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) 2021 11 26 59544 0.1252 0.2481 -0.10539 2021 11 27 59545 0.1239 0.2485 -0.10520 2021 11 28 59546 0.1223 0.2490 -0.10522 2021 11 29 59547 0.1205 0.2495 -0.10545 2021 11 30 59548 0.1185 0.2499 -0.10587 2021 12 1 59549 0.1166 0.2503 -0.10638 2021 12 2 59550 0.1146 0.2506 -0.10685 2021 12 3 59551 0.1126 0.2509 -0.10713 2021 12 4 59552 0.1108 0.2513 -0.10716 2021 12 5 59553 0.1089 0.2517 -0.10693 2021 12 6 59554 0.1071 0.2521 -0.10652 2021 12 7 59555 0.1053 0.2526 -0.10606 2021 12 8 59556 0.1035 0.2530 -0.10570 2021 12 9 59557 0.1017 0.2535 -0.10549 2021 12 10 59558 0.0999 0.2539 -0.10543 2021 12 11 59559 0.0980 0.2544 -0.10549 2021 12 12 59560 0.0961 0.2549 -0.10561 2021 12 13 59561 0.0943 0.2554 -0.10575 2021 12 14 59562 0.0924 0.2560 -0.10585 2021 12 15 59563 0.0905 0.2567 -0.10585 2021 12 16 59564 0.0886 0.2573 -0.10570 2021 12 17 59565 0.0867 0.2580 -0.10537 2021 12 18 59566 0.0849 0.2587 -0.10487 2021 12 19 59567 0.0831 0.2594 -0.10424 2021 12 20 59568 0.0813 0.2601 -0.10353 2021 12 21 59569 0.0796 0.2609 -0.10279 2021 12 22 59570 0.0779 0.2617 -0.10209 2021 12 23 59571 0.0761 0.2626 -0.10149 2021 12 24 59572 0.0744 0.2634 -0.10106 2021 12 25 59573 0.0727 0.2643 -0.10083 2021 12 26 59574 0.0710 0.2653 -0.10081 2021 12 27 59575 0.0694 0.2663 -0.10096 2021 12 28 59576 0.0677 0.2672 -0.10123 2021 12 29 59577 0.0661 0.2683 -0.10152 2021 12 30 59578 0.0645 0.2693 -0.10170 2021 12 31 59579 0.0629 0.2704 -0.10168 2022 1 1 59580 0.0613 0.2715 -0.10141 2022 1 2 59581 0.0598 0.2726 -0.10092 2022 1 3 59582 0.0582 0.2738 -0.10034 2022 1 4 59583 0.0567 0.2749 -0.09978 2022 1 5 59584 0.0553 0.2761 -0.09937 2022 1 6 59585 0.0538 0.2773 -0.09915 2022 1 7 59586 0.0524 0.2786 -0.09910 2022 1 8 59587 0.0509 0.2799 -0.09916 2022 1 9 59588 0.0495 0.2811 -0.09924 2022 1 10 59589 0.0482 0.2825 -0.09926 2022 1 11 59590 0.0468 0.2838 -0.09917 2022 1 12 59591 0.0455 0.2851 -0.09892 2022 1 13 59592 0.0442 0.2865 -0.09849 2022 1 14 59593 0.0429 0.2879 -0.09791 2022 1 15 59594 0.0416 0.2893 -0.09718 2022 1 16 59595 0.0404 0.2908 -0.09636 2022 1 17 59596 0.0392 0.2922 -0.09550 2022 1 18 59597 0.0380 0.2937 -0.09469 2022 1 19 59598 0.0369 0.2952 -0.09400 2022 1 20 59599 0.0357 0.2967 -0.09347 2022 1 21 59600 0.0346 0.2982 -0.09316 2022 1 22 59601 0.0335 0.2998 -0.09305 2022 1 23 59602 0.0325 0.3013 -0.09313 2022 1 24 59603 0.0314 0.3029 -0.09332 2022 1 25 59604 0.0304 0.3045 -0.09355 2022 1 26 59605 0.0295 0.3061 -0.09371 2022 1 27 59606 0.0285 0.3078 -0.09371 2022 1 28 59607 0.0276 0.3094 -0.09351 2022 1 29 59608 0.0267 0.3111 -0.09311 2022 1 30 59609 0.0259 0.3128 -0.09260 2022 1 31 59610 0.0251 0.3144 -0.09211 2022 2 1 59611 0.0243 0.3161 -0.09176 2022 2 2 59612 0.0235 0.3179 -0.09163 2022 2 3 59613 0.0228 0.3196 -0.09174 2022 2 4 59614 0.0221 0.3213 -0.09203 2022 2 5 59615 0.0214 0.3231 -0.09241 2022 2 6 59616 0.0207 0.3249 -0.09278 2022 2 7 59617 0.0201 0.3266 -0.09306 2022 2 8 59618 0.0195 0.3284 -0.09320 2022 2 9 59619 0.0190 0.3302 -0.09318 2022 2 10 59620 0.0185 0.3320 -0.09300 2022 2 11 59621 0.0180 0.3338 -0.09267 2022 2 12 59622 0.0175 0.3357 -0.09224 2022 2 13 59623 0.0171 0.3375 -0.09177 2022 2 14 59624 0.0167 0.3393 -0.09133 2022 2 15 59625 0.0164 0.3412 -0.09099 2022 2 16 59626 0.0161 0.3430 -0.09081 2022 2 17 59627 0.0158 0.3449 -0.09085 2022 2 18 59628 0.0155 0.3467 -0.09112 2022 2 19 59629 0.0153 0.3486 -0.09159 2022 2 20 59630 0.0151 0.3505 -0.09219 2022 2 21 59631 0.0149 0.3523 -0.09283 2022 2 22 59632 0.0148 0.3542 -0.09340 2022 2 23 59633 0.0147 0.3561 -0.09382 2022 2 24 59634 0.0147 0.3580 -0.09403 2022 2 25 59635 0.0146 0.3599 -0.09404 2022 2 26 59636 0.0147 0.3617 -0.09392 2022 2 27 59637 0.0147 0.3636 -0.09377 2022 2 28 59638 0.0148 0.3655 -0.09371 2022 3 1 59639 0.0149 0.3674 -0.09385 2022 3 2 59640 0.0150 0.3693 -0.09423 2022 3 3 59641 0.0152 0.3712 -0.09483 2022 3 4 59642 0.0154 0.3730 -0.09556 2022 3 5 59643 0.0157 0.3749 -0.09633 2022 3 6 59644 0.0159 0.3768 -0.09704 2022 3 7 59645 0.0163 0.3787 -0.09761 2022 3 8 59646 0.0166 0.3805 -0.09800 2022 3 9 59647 0.0170 0.3824 -0.09822 2022 3 10 59648 0.0174 0.3843 -0.09826 2022 3 11 59649 0.0178 0.3861 -0.09818 2022 3 12 59650 0.0183 0.3880 -0.09803 2022 3 13 59651 0.0188 0.3898 -0.09788 2022 3 14 59652 0.0194 0.3916 -0.09773 2022 3 15 59653 0.0199 0.3935 -0.09773 2022 3 16 59654 0.0205 0.3953 -0.09794 2022 3 17 59655 0.0212 0.3971 -0.09839 2022 3 18 59656 0.0219 0.3989 -0.09906 2022 3 19 59657 0.0226 0.4007 -0.09992 2022 3 20 59658 0.0233 0.4024 -0.10084 2022 3 21 59659 0.0241 0.4042 -0.10172 2022 3 22 59660 0.0249 0.4060 -0.10243 2022 3 23 59661 0.0257 0.4077 -0.10292 2022 3 24 59662 0.0266 0.4095 -0.10317 2022 3 25 59663 0.0274 0.4112 -0.10325 2022 3 26 59664 0.0284 0.4129 -0.10325 2022 3 27 59665 0.0293 0.4146 -0.10330 2022 3 28 59666 0.0303 0.4163 -0.10349 2022 3 29 59667 0.0313 0.4179 -0.10390 2022 3 30 59668 0.0324 0.4196 -0.10452 2022 3 31 59669 0.0334 0.4212 -0.10530 2022 4 1 59670 0.0345 0.4228 -0.10616 2022 4 2 59671 0.0357 0.4244 -0.10699 2022 4 3 59672 0.0368 0.4260 -0.10770 2022 4 4 59673 0.0380 0.4276 -0.10823 2022 4 5 59674 0.0392 0.4291 -0.10856 2022 4 6 59675 0.0405 0.4307 -0.10869 2022 4 7 59676 0.0417 0.4322 -0.10866 2022 4 8 59677 0.0430 0.4337 -0.10852 2022 4 9 59678 0.0444 0.4352 -0.10834 2022 4 10 59679 0.0457 0.4366 -0.10820 2022 4 11 59680 0.0471 0.4381 -0.10816 2022 4 12 59681 0.0485 0.4395 -0.10830 2022 4 13 59682 0.0499 0.4409 -0.10866 2022 4 14 59683 0.0514 0.4422 -0.10925 2022 4 15 59684 0.0529 0.4436 -0.11005 2022 4 16 59685 0.0544 0.4449 -0.11096 2022 4 17 59686 0.0559 0.4462 -0.11187 2022 4 18 59687 0.0574 0.4475 -0.11265 2022 4 19 59688 0.0590 0.4488 -0.11319 2022 4 20 59689 0.0606 0.4500 -0.11346 2022 4 21 59690 0.0622 0.4512 -0.11351 2022 4 22 59691 0.0638 0.4524 -0.11342 2022 4 23 59692 0.0655 0.4536 -0.11334 2022 4 24 59693 0.0672 0.4547 -0.11336 2022 4 25 59694 0.0689 0.4558 -0.11355 2022 4 26 59695 0.0706 0.4569 -0.11394 2022 4 27 59696 0.0723 0.4580 -0.11448 2022 4 28 59697 0.0741 0.4590 -0.11510 2022 4 29 59698 0.0759 0.4600 -0.11571 2022 4 30 59699 0.0777 0.4610 -0.11623 2022 5 1 59700 0.0795 0.4620 -0.11658 2022 5 2 59701 0.0813 0.4629 -0.11672 2022 5 3 59702 0.0831 0.4638 -0.11665 2022 5 4 59703 0.0850 0.4647 -0.11639 2022 5 5 59704 0.0869 0.4655 -0.11599 2022 5 6 59705 0.0888 0.4663 -0.11550 2022 5 7 59706 0.0907 0.4671 -0.11501 2022 5 8 59707 0.0926 0.4679 -0.11459 2022 5 9 59708 0.0945 0.4686 -0.11430 2022 5 10 59709 0.0965 0.4693 -0.11420 2022 5 11 59710 0.0984 0.4700 -0.11430 2022 5 12 59711 0.1004 0.4706 -0.11462 2022 5 13 59712 0.1024 0.4712 -0.11509 2022 5 14 59713 0.1044 0.4718 -0.11561 2022 5 15 59714 0.1064 0.4724 -0.11607 2022 5 16 59715 0.1084 0.4729 -0.11632 2022 5 17 59716 0.1104 0.4734 -0.11630 2022 5 18 59717 0.1124 0.4738 -0.11601 2022 5 19 59718 0.1145 0.4743 -0.11555 2022 5 20 59719 0.1165 0.4747 -0.11504 2022 5 21 59720 0.1185 0.4750 -0.11460 2022 5 22 59721 0.1206 0.4754 -0.11433 2022 5 23 59722 0.1227 0.4757 -0.11425 2022 5 24 59723 0.1247 0.4760 -0.11432 2022 5 25 59724 0.1268 0.4762 -0.11449 2022 5 26 59725 0.1289 0.4764 -0.11467 2022 5 27 59726 0.1310 0.4766 -0.11479 2022 5 28 59727 0.1330 0.4767 -0.11477 2022 5 29 59728 0.1351 0.4768 -0.11459 2022 5 30 59729 0.1372 0.4769 -0.11422 2022 5 31 59730 0.1393 0.4770 -0.11369 2022 6 1 59731 0.1414 0.4770 -0.11303 2022 6 2 59732 0.1435 0.4770 -0.11229 2022 6 3 59733 0.1456 0.4769 -0.11153 2022 6 4 59734 0.1476 0.4769 -0.11081 2022 6 5 59735 0.1497 0.4768 -0.11019 2022 6 6 59736 0.1518 0.4766 -0.10969 2022 6 7 59737 0.1539 0.4765 -0.10936 2022 6 8 59738 0.1560 0.4763 -0.10920 2022 6 9 59739 0.1580 0.4760 -0.10921 2022 6 10 59740 0.1601 0.4758 -0.10932 2022 6 11 59741 0.1622 0.4755 -0.10944 2022 6 12 59742 0.1642 0.4751 -0.10946 2022 6 13 59743 0.1663 0.4748 -0.10925 2022 6 14 59744 0.1683 0.4744 -0.10880 2022 6 15 59745 0.1704 0.4740 -0.10813 2022 6 16 59746 0.1724 0.4735 -0.10737 2022 6 17 59747 0.1744 0.4730 -0.10665 2022 6 18 59748 0.1764 0.4725 -0.10610 2022 6 19 59749 0.1784 0.4720 -0.10575 2022 6 20 59750 0.1804 0.4714 -0.10558 2022 6 21 59751 0.1824 0.4708 -0.10550 2022 6 22 59752 0.1843 0.4701 -0.10543 2022 6 23 59753 0.1863 0.4695 -0.10526 2022 6 24 59754 0.1882 0.4688 -0.10492 2022 6 25 59755 0.1902 0.4681 -0.10435 2022 6 26 59756 0.1921 0.4673 -0.10353 2022 6 27 59757 0.1940 0.4665 -0.10245 2022 6 28 59758 0.1959 0.4657 -0.10117 2022 6 29 59759 0.1978 0.4649 -0.09972 2022 6 30 59760 0.1996 0.4640 -0.09819 2022 7 1 59761 0.2015 0.4631 -0.09668 2022 7 2 59762 0.2033 0.4622 -0.09523 2022 7 3 59763 0.2051 0.4612 -0.09390 2022 7 4 59764 0.2069 0.4602 -0.09271 2022 7 5 59765 0.2087 0.4592 -0.09170 2022 7 6 59766 0.2104 0.4582 -0.09090 2022 7 7 59767 0.2122 0.4571 -0.09028 2022 7 8 59768 0.2139 0.4560 -0.08974 2022 7 9 59769 0.2156 0.4549 -0.08915 2022 7 10 59770 0.2173 0.4538 -0.08843 2022 7 11 59771 0.2189 0.4526 -0.08750 2022 7 12 59772 0.2205 0.4514 -0.08636 2022 7 13 59773 0.2222 0.4502 -0.08496 2022 7 14 59774 0.2237 0.4489 -0.08356 2022 7 15 59775 0.2253 0.4477 -0.08235 2022 7 16 59776 0.2269 0.4464 -0.08147 2022 7 17 59777 0.2284 0.4451 -0.08080 2022 7 18 59778 0.2299 0.4437 -0.08031 2022 7 19 59779 0.2313 0.4424 -0.07991 2022 7 20 59780 0.2328 0.4410 -0.07942 2022 7 21 59781 0.2342 0.4396 -0.07879 2022 7 22 59782 0.2356 0.4382 -0.07793 2022 7 23 59783 0.2370 0.4367 -0.07684 2022 7 24 59784 0.2383 0.4352 -0.07552 2022 7 25 59785 0.2396 0.4338 -0.07400 2022 7 26 59786 0.2409 0.4323 -0.07233 2022 7 27 59787 0.2422 0.4307 -0.07066 2022 7 28 59788 0.2434 0.4292 -0.06901 2022 7 29 59789 0.2446 0.4276 -0.06745 2022 7 30 59790 0.2458 0.4260 -0.06609 2022 7 31 59791 0.2470 0.4244 -0.06491 2022 8 1 59792 0.2481 0.4228 -0.06399 2022 8 2 59793 0.2492 0.4212 -0.06321 2022 8 3 59794 0.2502 0.4195 -0.06246 2022 8 4 59795 0.2513 0.4178 -0.06173 2022 8 5 59796 0.2523 0.4162 -0.06094 2022 8 6 59797 0.2533 0.4145 -0.05997 2022 8 7 59798 0.2542 0.4127 -0.05878 2022 8 8 59799 0.2551 0.4110 -0.05733 2022 8 9 59800 0.2560 0.4093 -0.05574 2022 8 10 59801 0.2568 0.4075 -0.05413 2022 8 11 59802 0.2576 0.4058 -0.05259 2022 8 12 59803 0.2584 0.4040 -0.05133 2022 8 13 59804 0.2592 0.4022 -0.05035 2022 8 14 59805 0.2599 0.4004 -0.04963 2022 8 15 59806 0.2606 0.3986 -0.04906 2022 8 16 59807 0.2612 0.3967 -0.04850 2022 8 17 59808 0.2619 0.3949 -0.04781 2022 8 18 59809 0.2624 0.3931 -0.04688 2022 8 19 59810 0.2630 0.3912 -0.04570 2022 8 20 59811 0.2635 0.3893 -0.04435 2022 8 21 59812 0.2640 0.3875 -0.04282 2022 8 22 59813 0.2645 0.3856 -0.04119 2022 8 23 59814 0.2649 0.3837 -0.03958 2022 8 24 59815 0.2653 0.3818 -0.03803 2022 8 25 59816 0.2656 0.3799 -0.03661 2022 8 26 59817 0.2659 0.3780 -0.03534 2022 8 27 59818 0.2662 0.3761 -0.03426 2022 8 28 59819 0.2665 0.3742 -0.03341 2022 8 29 59820 0.2667 0.3723 -0.03278 2022 8 30 59821 0.2669 0.3704 -0.03231 2022 8 31 59822 0.2670 0.3685 -0.03193 2022 9 1 59823 0.2671 0.3666 -0.03153 2022 9 2 59824 0.2672 0.3647 -0.03100 2022 9 3 59825 0.2672 0.3627 -0.03033 2022 9 4 59826 0.2672 0.3608 -0.02947 2022 9 5 59827 0.2672 0.3589 -0.02836 2022 9 6 59828 0.2671 0.3570 -0.02717 2022 9 7 59829 0.2670 0.3551 -0.02604 2022 9 8 59830 0.2669 0.3531 -0.02508 2022 9 9 59831 0.2668 0.3512 -0.02441 2022 9 10 59832 0.2666 0.3493 -0.02400 2022 9 11 59833 0.2663 0.3474 -0.02377 2022 9 12 59834 0.2660 0.3455 -0.02360 2022 9 13 59835 0.2657 0.3436 -0.02344 2022 9 14 59836 0.2654 0.3417 -0.02316 2022 9 15 59837 0.2650 0.3398 -0.02275 2022 9 16 59838 0.2646 0.3380 -0.02223 2022 9 17 59839 0.2642 0.3361 -0.02156 2022 9 18 59840 0.2637 0.3342 -0.02086 2022 9 19 59841 0.2632 0.3323 -0.02016 2022 9 20 59842 0.2627 0.3305 -0.01950 2022 9 21 59843 0.2621 0.3287 -0.01897 2022 9 22 59844 0.2615 0.3268 -0.01860 2022 9 23 59845 0.2609 0.3250 -0.01841 2022 9 24 59846 0.2602 0.3232 -0.01842 2022 9 25 59847 0.2595 0.3214 -0.01867 2022 9 26 59848 0.2588 0.3196 -0.01910 2022 9 27 59849 0.2580 0.3178 -0.01959 2022 9 28 59850 0.2572 0.3160 -0.02003 2022 9 29 59851 0.2564 0.3143 -0.02034 2022 9 30 59852 0.2555 0.3125 -0.02046 2022 10 1 59853 0.2546 0.3108 -0.02036 2022 10 2 59854 0.2537 0.3091 -0.02009 2022 10 3 59855 0.2527 0.3074 -0.01971 2022 10 4 59856 0.2518 0.3057 -0.01932 2022 10 5 59857 0.2507 0.3040 -0.01902 2022 10 6 59858 0.2497 0.3024 -0.01887 2022 10 7 59859 0.2486 0.3008 -0.01900 2022 10 8 59860 0.2475 0.2991 -0.01939 2022 10 9 59861 0.2464 0.2975 -0.01980 2022 10 10 59862 0.2452 0.2960 -0.02014 2022 10 11 59863 0.2441 0.2944 -0.02041 2022 10 12 59864 0.2428 0.2928 -0.02050 2022 10 13 59865 0.2416 0.2913 -0.02038 2022 10 14 59866 0.2403 0.2898 -0.02005 2022 10 15 59867 0.2390 0.2883 -0.01946 2022 10 16 59868 0.2377 0.2869 -0.01877 2022 10 17 59869 0.2364 0.2854 -0.01803 2022 10 18 59870 0.2350 0.2840 -0.01732 2022 10 19 59871 0.2336 0.2826 -0.01675 2022 10 20 59872 0.2322 0.2812 -0.01635 2022 10 21 59873 0.2307 0.2798 -0.01615 2022 10 22 59874 0.2293 0.2785 -0.01630 2022 10 23 59875 0.2278 0.2772 -0.01665 2022 10 24 59876 0.2262 0.2759 -0.01715 2022 10 25 59877 0.2247 0.2746 -0.01767 2022 10 26 59878 0.2231 0.2734 -0.01803 2022 10 27 59879 0.2216 0.2722 -0.01818 2022 10 28 59880 0.2200 0.2710 -0.01812 2022 10 29 59881 0.2183 0.2698 -0.01787 2022 10 30 59882 0.2167 0.2687 -0.01745 2022 10 31 59883 0.2150 0.2676 -0.01700 2022 11 1 59884 0.2133 0.2665 -0.01665 2022 11 2 59885 0.2116 0.2654 -0.01651 2022 11 3 59886 0.2099 0.2644 -0.01663 2022 11 4 59887 0.2082 0.2634 -0.01698 2022 11 5 59888 0.2064 0.2624 -0.01748 2022 11 6 59889 0.2046 0.2614 -0.01806 2022 11 7 59890 0.2028 0.2605 -0.01861 2022 11 8 59891 0.2010 0.2596 -0.01897 2022 11 9 59892 0.1992 0.2588 -0.01909 2022 11 10 59893 0.1974 0.2579 -0.01898 2022 11 11 59894 0.1955 0.2571 -0.01870 2022 11 12 59895 0.1936 0.2563 -0.01829 2022 11 13 59896 0.1918 0.2556 -0.01782 2022 11 14 59897 0.1899 0.2549 -0.01743 2022 11 15 59898 0.1880 0.2542 -0.01707 2022 11 16 59899 0.1861 0.2535 -0.01681 2022 11 17 59900 0.1841 0.2529 -0.01669 2022 11 18 59901 0.1822 0.2523 -0.01674 2022 11 19 59902 0.1802 0.2517 -0.01699 2022 11 20 59903 0.1783 0.2511 -0.01732 2022 11 21 59904 0.1763 0.2506 -0.01777 2022 11 22 59905 0.1743 0.2502 -0.01821 2022 11 23 59906 0.1724 0.2497 -0.01852 2022 11 24 59907 0.1704 0.2493 -0.01858 2022 11 25 59908 0.1684 0.2489 -0.01840 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) 59522 -114.09 0.65 -6.96 0.05 59523 -114.07 0.65 -7.06 0.05 59524 -113.86 0.65 -7.26 0.05 59525 -113.51 0.64 -7.28 0.07 59526 -113.26 0.64 -7.09 0.07 59527 -113.24 0.93 -6.95 0.12 59528 -113.30 0.93 -7.03 0.12 59529 -113.28 0.93 -7.21 0.12 59530 -113.13 0.93 -7.27 0.12 59531 -112.95 0.32 -7.16 0.16 59532 -112.79 0.75 -7.00 0.10 59533 -112.72 0.75 -6.84 0.10 59534 -112.75 0.75 -6.63 0.10 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 59522 0.279 0.259 -0.058 0.050 59523 0.281 0.259 -0.056 0.050 59524 0.286 0.259 -0.059 0.050 59525 0.295 0.253 -0.066 0.071 59526 0.304 0.253 -0.074 0.071 59527 0.313 0.369 -0.082 0.122 59528 0.319 0.369 -0.089 0.122 59529 0.322 0.369 -0.094 0.122 59530 0.322 0.369 -0.098 0.122 59531 0.320 0.128 -0.101 0.160 59532 0.317 0.298 -0.102 0.100 59533 0.313 0.298 -0.103 0.100 59534 0.307 0.298 -0.104 0.100 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).