********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 2 December 2021 Vol. XXXIV No. 048 ______________________________________________________________________ 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 26 59544 0.12528 .00009 0.24837 .00009 -0.105382 0.000009 21 11 27 59545 0.12393 .00009 0.24920 .00009 -0.105315 0.000010 21 11 28 59546 0.12249 .00009 0.25010 .00009 -0.105499 0.000010 21 11 29 59547 0.12097 .00009 0.25081 .00009 -0.105839 0.000025 21 11 30 59548 0.11944 .00009 0.25145 .00009 -0.106297 0.000030 21 12 1 59549 0.11796 .00009 0.25218 .00009 -0.106798 0.000029 21 12 2 59550 0.11658 .00010 0.25305 .00009 -0.107271 0.000030 IERS Final Values MJD x y UT1-UTC " " s 21 10 2 59489 0.2192 0.2784 -0.10466 21 10 3 59490 0.2181 0.2774 -0.10423 21 10 4 59491 0.2165 0.2764 -0.10404 21 10 5 59492 0.2150 0.2753 -0.10414 21 10 6 59493 0.2129 0.2741 -0.10451 21 10 7 59494 0.2107 0.2723 -0.10504 21 10 8 59495 0.2087 0.2704 -0.10556 21 10 9 59496 0.2070 0.2686 -0.10592 21 10 10 59497 0.2056 0.2670 -0.10605 21 10 11 59498 0.2043 0.2659 -0.10595 21 10 12 59499 0.2029 0.2653 -0.10570 21 10 13 59500 0.2013 0.2651 -0.10538 21 10 14 59501 0.1995 0.2645 -0.10506 21 10 15 59502 0.1971 0.2641 -0.10482 21 10 16 59503 0.1945 0.2633 -0.10473 21 10 17 59504 0.1925 0.2627 -0.10480 21 10 18 59505 0.1903 0.2621 -0.10498 21 10 19 59506 0.1884 0.2611 -0.10533 21 10 20 59507 0.1870 0.2604 -0.10569 21 10 21 59508 0.1859 0.2597 -0.10599 21 10 22 59509 0.1851 0.2589 -0.10617 21 10 23 59510 0.1840 0.2581 -0.10616 21 10 24 59511 0.1822 0.2569 -0.10595 21 10 25 59512 0.1808 0.2557 -0.10557 21 10 26 59513 0.1794 0.2551 -0.10507 21 10 27 59514 0.1775 0.2546 -0.10456 21 10 28 59515 0.1750 0.2542 -0.10409 21 10 29 59516 0.1729 0.2537 -0.10375 21 10 30 59517 0.1712 0.2535 -0.10359 21 10 31 59518 0.1692 0.2530 -0.10368 21 11 1 59519 0.1672 0.2526 -0.10406 _______________________________________________________________________ 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 = 0.1481 + 0.0102 cos A - 0.1007 sin A - 0.0377 cos C - 0.0168 sin C y = 0.3583 - 0.0897 cos A - 0.0149 sin A - 0.0168 cos C + 0.0377 sin C UT1-UTC = -0.1134 + 0.00021 (MJD - 59558) - (UT2-UT1) where A = 2*pi*(MJD-59550)/365.25 and C = 2*pi*(MJD-59550)/435. TAI-UTC(MJD 59551) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-59550)**0.80 S t = 0.00025 (MJD-59550)**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 12 3 59551 0.1150 0.2539 -0.10763 2021 12 4 59552 0.1135 0.2548 -0.10774 2021 12 5 59553 0.1119 0.2555 -0.10758 2021 12 6 59554 0.1102 0.2562 -0.10727 2021 12 7 59555 0.1084 0.2567 -0.10694 2021 12 8 59556 0.1067 0.2571 -0.10670 2021 12 9 59557 0.1050 0.2575 -0.10665 2021 12 10 59558 0.1033 0.2580 -0.10676 2021 12 11 59559 0.1016 0.2584 -0.10701 2021 12 12 59560 0.0999 0.2590 -0.10731 2021 12 13 59561 0.0982 0.2595 -0.10756 2021 12 14 59562 0.0964 0.2601 -0.10772 2021 12 15 59563 0.0946 0.2607 -0.10773 2021 12 16 59564 0.0928 0.2613 -0.10758 2021 12 17 59565 0.0910 0.2619 -0.10729 2021 12 18 59566 0.0892 0.2625 -0.10682 2021 12 19 59567 0.0874 0.2631 -0.10621 2021 12 20 59568 0.0857 0.2638 -0.10549 2021 12 21 59569 0.0839 0.2645 -0.10474 2021 12 22 59570 0.0821 0.2652 -0.10401 2021 12 23 59571 0.0803 0.2659 -0.10338 2021 12 24 59572 0.0786 0.2667 -0.10294 2021 12 25 59573 0.0769 0.2675 -0.10272 2021 12 26 59574 0.0753 0.2684 -0.10272 2021 12 27 59575 0.0736 0.2693 -0.10289 2021 12 28 59576 0.0720 0.2702 -0.10318 2021 12 29 59577 0.0703 0.2712 -0.10350 2021 12 30 59578 0.0687 0.2721 -0.10371 2021 12 31 59579 0.0671 0.2732 -0.10372 2022 1 1 59580 0.0656 0.2742 -0.10348 2022 1 2 59581 0.0640 0.2752 -0.10303 2022 1 3 59582 0.0625 0.2763 -0.10248 2022 1 4 59583 0.0610 0.2774 -0.10197 2022 1 5 59584 0.0595 0.2786 -0.10160 2022 1 6 59585 0.0581 0.2797 -0.10142 2022 1 7 59586 0.0566 0.2809 -0.10141 2022 1 8 59587 0.0552 0.2821 -0.10151 2022 1 9 59588 0.0538 0.2834 -0.10163 2022 1 10 59589 0.0525 0.2846 -0.10170 2022 1 11 59590 0.0511 0.2859 -0.10165 2022 1 12 59591 0.0498 0.2872 -0.10145 2022 1 13 59592 0.0485 0.2886 -0.10106 2022 1 14 59593 0.0472 0.2899 -0.10051 2022 1 15 59594 0.0460 0.2913 -0.09980 2022 1 16 59595 0.0448 0.2926 -0.09900 2022 1 17 59596 0.0436 0.2940 -0.09817 2022 1 18 59597 0.0424 0.2955 -0.09737 2022 1 19 59598 0.0412 0.2969 -0.09668 2022 1 20 59599 0.0401 0.2984 -0.09615 2022 1 21 59600 0.0390 0.2999 -0.09583 2022 1 22 59601 0.0380 0.3013 -0.09571 2022 1 23 59602 0.0369 0.3029 -0.09577 2022 1 24 59603 0.0359 0.3044 -0.09596 2022 1 25 59604 0.0349 0.3059 -0.09617 2022 1 26 59605 0.0339 0.3075 -0.09632 2022 1 27 59606 0.0330 0.3091 -0.09630 2022 1 28 59607 0.0321 0.3107 -0.09608 2022 1 29 59608 0.0312 0.3123 -0.09566 2022 1 30 59609 0.0304 0.3139 -0.09513 2022 1 31 59610 0.0295 0.3156 -0.09461 2022 2 1 59611 0.0287 0.3172 -0.09421 2022 2 2 59612 0.0280 0.3189 -0.09402 2022 2 3 59613 0.0272 0.3206 -0.09405 2022 2 4 59614 0.0265 0.3223 -0.09425 2022 2 5 59615 0.0259 0.3240 -0.09453 2022 2 6 59616 0.0252 0.3257 -0.09479 2022 2 7 59617 0.0246 0.3274 -0.09496 2022 2 8 59618 0.0240 0.3291 -0.09498 2022 2 9 59619 0.0235 0.3309 -0.09484 2022 2 10 59620 0.0230 0.3326 -0.09452 2022 2 11 59621 0.0225 0.3344 -0.09407 2022 2 12 59622 0.0220 0.3362 -0.09353 2022 2 13 59623 0.0216 0.3380 -0.09296 2022 2 14 59624 0.0212 0.3398 -0.09242 2022 2 15 59625 0.0209 0.3415 -0.09200 2022 2 16 59626 0.0205 0.3434 -0.09175 2022 2 17 59627 0.0202 0.3452 -0.09173 2022 2 18 59628 0.0200 0.3470 -0.09196 2022 2 19 59629 0.0197 0.3488 -0.09240 2022 2 20 59630 0.0196 0.3506 -0.09298 2022 2 21 59631 0.0194 0.3524 -0.09362 2022 2 22 59632 0.0193 0.3543 -0.09419 2022 2 23 59633 0.0192 0.3561 -0.09461 2022 2 24 59634 0.0191 0.3580 -0.09483 2022 2 25 59635 0.0191 0.3598 -0.09484 2022 2 26 59636 0.0191 0.3616 -0.09472 2022 2 27 59637 0.0191 0.3635 -0.09456 2022 2 28 59638 0.0192 0.3653 -0.09449 2022 3 1 59639 0.0193 0.3672 -0.09461 2022 3 2 59640 0.0194 0.3690 -0.09497 2022 3 3 59641 0.0196 0.3708 -0.09553 2022 3 4 59642 0.0198 0.3727 -0.09622 2022 3 5 59643 0.0200 0.3745 -0.09695 2022 3 6 59644 0.0203 0.3764 -0.09761 2022 3 7 59645 0.0206 0.3782 -0.09813 2022 3 8 59646 0.0209 0.3800 -0.09848 2022 3 9 59647 0.0213 0.3818 -0.09864 2022 3 10 59648 0.0217 0.3837 -0.09863 2022 3 11 59649 0.0221 0.3855 -0.09850 2022 3 12 59650 0.0226 0.3873 -0.09830 2022 3 13 59651 0.0231 0.3891 -0.09810 2022 3 14 59652 0.0236 0.3909 -0.09798 2022 3 15 59653 0.0242 0.3927 -0.09802 2022 3 16 59654 0.0248 0.3944 -0.09826 2022 3 17 59655 0.0254 0.3962 -0.09874 2022 3 18 59656 0.0260 0.3980 -0.09946 2022 3 19 59657 0.0267 0.3997 -0.10035 2022 3 20 59658 0.0275 0.4015 -0.10132 2022 3 21 59659 0.0282 0.4032 -0.10218 2022 3 22 59660 0.0290 0.4049 -0.10287 2022 3 23 59661 0.0298 0.4066 -0.10334 2022 3 24 59662 0.0306 0.4083 -0.10358 2022 3 25 59663 0.0315 0.4100 -0.10364 2022 3 26 59664 0.0324 0.4117 -0.10363 2022 3 27 59665 0.0334 0.4133 -0.10367 2022 3 28 59666 0.0343 0.4150 -0.10385 2022 3 29 59667 0.0353 0.4166 -0.10425 2022 3 30 59668 0.0364 0.4182 -0.10486 2022 3 31 59669 0.0374 0.4198 -0.10564 2022 4 1 59670 0.0385 0.4214 -0.10649 2022 4 2 59671 0.0396 0.4230 -0.10732 2022 4 3 59672 0.0407 0.4245 -0.10802 2022 4 4 59673 0.0419 0.4261 -0.10855 2022 4 5 59674 0.0431 0.4276 -0.10887 2022 4 6 59675 0.0443 0.4291 -0.10900 2022 4 7 59676 0.0456 0.4306 -0.10896 2022 4 8 59677 0.0468 0.4320 -0.10881 2022 4 9 59678 0.0482 0.4335 -0.10863 2022 4 10 59679 0.0495 0.4349 -0.10848 2022 4 11 59680 0.0508 0.4363 -0.10843 2022 4 12 59681 0.0522 0.4377 -0.10856 2022 4 13 59682 0.0536 0.4391 -0.10891 2022 4 14 59683 0.0550 0.4404 -0.10949 2022 4 15 59684 0.0565 0.4418 -0.11028 2022 4 16 59685 0.0580 0.4431 -0.11119 2022 4 17 59686 0.0595 0.4443 -0.11210 2022 4 18 59687 0.0610 0.4456 -0.11287 2022 4 19 59688 0.0626 0.4468 -0.11340 2022 4 20 59689 0.0641 0.4480 -0.11366 2022 4 21 59690 0.0657 0.4492 -0.11370 2022 4 22 59691 0.0673 0.4504 -0.11361 2022 4 23 59692 0.0690 0.4515 -0.11352 2022 4 24 59693 0.0706 0.4526 -0.11354 2022 4 25 59694 0.0723 0.4537 -0.11373 2022 4 26 59695 0.0740 0.4548 -0.11411 2022 4 27 59696 0.0757 0.4558 -0.11465 2022 4 28 59697 0.0774 0.4568 -0.11527 2022 4 29 59698 0.0792 0.4578 -0.11588 2022 4 30 59699 0.0809 0.4588 -0.11640 2022 5 1 59700 0.0827 0.4597 -0.11675 2022 5 2 59701 0.0845 0.4606 -0.11689 2022 5 3 59702 0.0863 0.4615 -0.11682 2022 5 4 59703 0.0882 0.4624 -0.11657 2022 5 5 59704 0.0900 0.4632 -0.11617 2022 5 6 59705 0.0919 0.4640 -0.11569 2022 5 7 59706 0.0937 0.4647 -0.11521 2022 5 8 59707 0.0956 0.4655 -0.11480 2022 5 9 59708 0.0975 0.4662 -0.11452 2022 5 10 59709 0.0994 0.4669 -0.11443 2022 5 11 59710 0.1014 0.4675 -0.11454 2022 5 12 59711 0.1033 0.4682 -0.11487 2022 5 13 59712 0.1053 0.4687 -0.11535 2022 5 14 59713 0.1072 0.4693 -0.11588 2022 5 15 59714 0.1092 0.4698 -0.11634 2022 5 16 59715 0.1112 0.4703 -0.11659 2022 5 17 59716 0.1132 0.4708 -0.11657 2022 5 18 59717 0.1152 0.4713 -0.11629 2022 5 19 59718 0.1172 0.4717 -0.11582 2022 5 20 59719 0.1192 0.4721 -0.11529 2022 5 21 59720 0.1212 0.4724 -0.11484 2022 5 22 59721 0.1232 0.4727 -0.11455 2022 5 23 59722 0.1253 0.4730 -0.11444 2022 5 24 59723 0.1273 0.4733 -0.11447 2022 5 25 59724 0.1293 0.4735 -0.11458 2022 5 26 59725 0.1314 0.4737 -0.11469 2022 5 27 59726 0.1334 0.4739 -0.11472 2022 5 28 59727 0.1355 0.4740 -0.11459 2022 5 29 59728 0.1375 0.4741 -0.11427 2022 5 30 59729 0.1396 0.4742 -0.11374 2022 5 31 59730 0.1416 0.4742 -0.11302 2022 6 1 59731 0.1437 0.4742 -0.11214 2022 6 2 59732 0.1457 0.4742 -0.11118 2022 6 3 59733 0.1478 0.4741 -0.11020 2022 6 4 59734 0.1499 0.4740 -0.10928 2022 6 5 59735 0.1519 0.4739 -0.10849 2022 6 6 59736 0.1540 0.4738 -0.10788 2022 6 7 59737 0.1560 0.4736 -0.10749 2022 6 8 59738 0.1580 0.4734 -0.10732 2022 6 9 59739 0.1601 0.4731 -0.10733 2022 6 10 59740 0.1621 0.4729 -0.10746 2022 6 11 59741 0.1641 0.4726 -0.10758 2022 6 12 59742 0.1662 0.4722 -0.10756 2022 6 13 59743 0.1682 0.4719 -0.10727 2022 6 14 59744 0.1702 0.4715 -0.10669 2022 6 15 59745 0.1722 0.4710 -0.10587 2022 6 16 59746 0.1742 0.4706 -0.10493 2022 6 17 59747 0.1762 0.4701 -0.10403 2022 6 18 59748 0.1782 0.4695 -0.10330 2022 6 19 59749 0.1801 0.4690 -0.10280 2022 6 20 59750 0.1821 0.4684 -0.10249 2022 6 21 59751 0.1840 0.4678 -0.10231 2022 6 22 59752 0.1860 0.4672 -0.10216 2022 6 23 59753 0.1879 0.4665 -0.10193 2022 6 24 59754 0.1898 0.4658 -0.10156 2022 6 25 59755 0.1917 0.4651 -0.10101 2022 6 26 59756 0.1936 0.4643 -0.10027 2022 6 27 59757 0.1954 0.4635 -0.09934 2022 6 28 59758 0.1973 0.4627 -0.09826 2022 6 29 59759 0.1991 0.4618 -0.09708 2022 6 30 59760 0.2010 0.4610 -0.09587 2022 7 1 59761 0.2028 0.4601 -0.09470 2022 7 2 59762 0.2046 0.4591 -0.09365 2022 7 3 59763 0.2063 0.4582 -0.09275 2022 7 4 59764 0.2081 0.4572 -0.09205 2022 7 5 59765 0.2098 0.4562 -0.09154 2022 7 6 59766 0.2116 0.4551 -0.09119 2022 7 7 59767 0.2133 0.4541 -0.09092 2022 7 8 59768 0.2149 0.4530 -0.09065 2022 7 9 59769 0.2166 0.4519 -0.09024 2022 7 10 59770 0.2182 0.4507 -0.08960 2022 7 11 59771 0.2199 0.4495 -0.08871 2022 7 12 59772 0.2215 0.4483 -0.08755 2022 7 13 59773 0.2230 0.4471 -0.08618 2022 7 14 59774 0.2246 0.4459 -0.08479 2022 7 15 59775 0.2261 0.4446 -0.08357 2022 7 16 59776 0.2277 0.4433 -0.08253 2022 7 17 59777 0.2291 0.4420 -0.08166 2022 7 18 59778 0.2306 0.4407 -0.08093 2022 7 19 59779 0.2320 0.4393 -0.08022 2022 7 20 59780 0.2335 0.4379 -0.07951 2022 7 21 59781 0.2348 0.4365 -0.07874 2022 7 22 59782 0.2362 0.4351 -0.07783 2022 7 23 59783 0.2375 0.4337 -0.07673 2022 7 24 59784 0.2389 0.4322 -0.07548 2022 7 25 59785 0.2401 0.4307 -0.07410 2022 7 26 59786 0.2414 0.4292 -0.07262 2022 7 27 59787 0.2426 0.4277 -0.07097 2022 7 28 59788 0.2438 0.4261 -0.06934 2022 7 29 59789 0.2450 0.4246 -0.06786 2022 7 30 59790 0.2462 0.4230 -0.06664 2022 7 31 59791 0.2473 0.4214 -0.06560 2022 8 1 59792 0.2484 0.4198 -0.06478 2022 8 2 59793 0.2494 0.4181 -0.06418 2022 8 3 59794 0.2505 0.4165 -0.06366 2022 8 4 59795 0.2515 0.4148 -0.06320 2022 8 5 59796 0.2524 0.4132 -0.06266 2022 8 6 59797 0.2534 0.4115 -0.06196 2022 8 7 59798 0.2543 0.4097 -0.06102 2022 8 8 59799 0.2551 0.4080 -0.05985 2022 8 9 59800 0.2560 0.4063 -0.05849 2022 8 10 59801 0.2568 0.4045 -0.05715 2022 8 11 59802 0.2576 0.4028 -0.05591 2022 8 12 59803 0.2583 0.4010 -0.05489 2022 8 13 59804 0.2591 0.3992 -0.05419 2022 8 14 59805 0.2598 0.3974 -0.05371 2022 8 15 59806 0.2604 0.3956 -0.05341 2022 8 16 59807 0.2610 0.3938 -0.05307 2022 8 17 59808 0.2616 0.3920 -0.05253 2022 8 18 59809 0.2622 0.3901 -0.05178 2022 8 19 59810 0.2627 0.3883 -0.05081 2022 8 20 59811 0.2632 0.3864 -0.04959 2022 8 21 59812 0.2636 0.3846 -0.04816 2022 8 22 59813 0.2641 0.3827 -0.04657 2022 8 23 59814 0.2645 0.3808 -0.04494 2022 8 24 59815 0.2648 0.3789 -0.04333 2022 8 25 59816 0.2651 0.3771 -0.04178 2022 8 26 59817 0.2654 0.3752 -0.04044 2022 8 27 59818 0.2657 0.3733 -0.03930 2022 8 28 59819 0.2659 0.3714 -0.03842 2022 8 29 59820 0.2661 0.3695 -0.03775 2022 8 30 59821 0.2662 0.3676 -0.03725 2022 8 31 59822 0.2664 0.3657 -0.03678 2022 9 1 59823 0.2664 0.3638 -0.03623 2022 9 2 59824 0.2665 0.3618 -0.03552 2022 9 3 59825 0.2665 0.3599 -0.03466 2022 9 4 59826 0.2665 0.3580 -0.03359 2022 9 5 59827 0.2664 0.3561 -0.03238 2022 9 6 59828 0.2663 0.3542 -0.03118 2022 9 7 59829 0.2662 0.3523 -0.03010 2022 9 8 59830 0.2661 0.3504 -0.02925 2022 9 9 59831 0.2659 0.3485 -0.02865 2022 9 10 59832 0.2656 0.3466 -0.02831 2022 9 11 59833 0.2654 0.3447 -0.02820 2022 9 12 59834 0.2651 0.3428 -0.02818 2022 9 13 59835 0.2648 0.3409 -0.02811 2022 9 14 59836 0.2644 0.3390 -0.02792 2022 9 15 59837 0.2640 0.3372 -0.02752 2022 9 16 59838 0.2636 0.3353 -0.02689 2022 9 17 59839 0.2631 0.3334 -0.02611 2022 9 18 59840 0.2626 0.3316 -0.02521 2022 9 19 59841 0.2621 0.3297 -0.02412 2022 9 20 59842 0.2615 0.3279 -0.02302 2022 9 21 59843 0.2609 0.3261 -0.02198 2022 9 22 59844 0.2603 0.3242 -0.02106 2022 9 23 59845 0.2596 0.3224 -0.02034 2022 9 24 59846 0.2590 0.3206 -0.01984 2022 9 25 59847 0.2582 0.3188 -0.01954 2022 9 26 59848 0.2575 0.3170 -0.01939 2022 9 27 59849 0.2567 0.3153 -0.01940 2022 9 28 59850 0.2559 0.3135 -0.01944 2022 9 29 59851 0.2550 0.3118 -0.01945 2022 9 30 59852 0.2541 0.3101 -0.01938 2022 10 1 59853 0.2532 0.3083 -0.01913 2022 10 2 59854 0.2523 0.3066 -0.01880 2022 10 3 59855 0.2513 0.3050 -0.01846 2022 10 4 59856 0.2503 0.3033 -0.01817 2022 10 5 59857 0.2493 0.3016 -0.01811 2022 10 6 59858 0.2482 0.3000 -0.01828 2022 10 7 59859 0.2471 0.2984 -0.01870 2022 10 8 59860 0.2460 0.2968 -0.01934 2022 10 9 59861 0.2449 0.2952 -0.02011 2022 10 10 59862 0.2437 0.2936 -0.02090 2022 10 11 59863 0.2425 0.2921 -0.02154 2022 10 12 59864 0.2412 0.2905 -0.02194 2022 10 13 59865 0.2400 0.2890 -0.02210 2022 10 14 59866 0.2387 0.2875 -0.02203 2022 10 15 59867 0.2374 0.2860 -0.02179 2022 10 16 59868 0.2360 0.2846 -0.02145 2022 10 17 59869 0.2347 0.2832 -0.02105 2022 10 18 59870 0.2333 0.2818 -0.02066 2022 10 19 59871 0.2319 0.2804 -0.02032 2022 10 20 59872 0.2304 0.2790 -0.02007 2022 10 21 59873 0.2290 0.2777 -0.02003 2022 10 22 59874 0.2275 0.2763 -0.02024 2022 10 23 59875 0.2260 0.2750 -0.02053 2022 10 24 59876 0.2244 0.2738 -0.02088 2022 10 25 59877 0.2229 0.2725 -0.02130 2022 10 26 59878 0.2213 0.2713 -0.02166 2022 10 27 59879 0.2197 0.2701 -0.02183 2022 10 28 59880 0.2181 0.2689 -0.02179 2022 10 29 59881 0.2165 0.2678 -0.02144 2022 10 30 59882 0.2148 0.2666 -0.02095 2022 10 31 59883 0.2131 0.2655 -0.02043 2022 11 1 59884 0.2114 0.2645 -0.02000 2022 11 2 59885 0.2097 0.2634 -0.01979 2022 11 3 59886 0.2080 0.2624 -0.01983 2022 11 4 59887 0.2062 0.2614 -0.02006 2022 11 5 59888 0.2045 0.2604 -0.02058 2022 11 6 59889 0.2027 0.2595 -0.02112 2022 11 7 59890 0.2009 0.2586 -0.02161 2022 11 8 59891 0.1990 0.2577 -0.02192 2022 11 9 59892 0.1972 0.2569 -0.02194 2022 11 10 59893 0.1954 0.2560 -0.02170 2022 11 11 59894 0.1935 0.2553 -0.02128 2022 11 12 59895 0.1916 0.2545 -0.02075 2022 11 13 59896 0.1897 0.2538 -0.02013 2022 11 14 59897 0.1878 0.2530 -0.01949 2022 11 15 59898 0.1859 0.2524 -0.01893 2022 11 16 59899 0.1840 0.2517 -0.01851 2022 11 17 59900 0.1821 0.2511 -0.01831 2022 11 18 59901 0.1801 0.2505 -0.01831 2022 11 19 59902 0.1782 0.2500 -0.01852 2022 11 20 59903 0.1762 0.2494 -0.01892 2022 11 21 59904 0.1742 0.2489 -0.01944 2022 11 22 59905 0.1723 0.2485 -0.01991 2022 11 23 59906 0.1703 0.2480 -0.02021 2022 11 24 59907 0.1683 0.2476 -0.02029 2022 11 25 59908 0.1663 0.2473 -0.02014 2022 11 26 59909 0.1643 0.2469 -0.01983 2022 11 27 59910 0.1622 0.2466 -0.01946 2022 11 28 59911 0.1602 0.2464 -0.01923 2022 11 29 59912 0.1582 0.2461 -0.01912 2022 11 30 59913 0.1562 0.2459 -0.01921 2022 12 1 59914 0.1542 0.2457 -0.01946 2022 12 2 59915 0.1521 0.2456 -0.01982 These predictions are based on all announced leap seconds. IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 59489 -116.4 -9.0 59490 -116.1 -8.9 59491 -116.1 -8.6 59492 -116.2 -8.4 59493 -116.5 -8.3 59494 -116.8 -8.4 59495 -117.1 -8.6 59496 -117.1 -8.8 59497 -117.0 -8.7 59498 -116.8 -8.5 59499 -116.7 -8.3 59500 -116.5 -8.2 59501 -116.4 -8.2 59502 -116.2 -8.3 59503 -115.9 -8.4 59504 -115.7 -8.3 59505 -115.6 -8.2 59506 -115.6 -7.9 59507 -115.5 -7.6 59508 -115.4 -7.5 59509 -115.3 -7.7 59510 -115.2 -7.9 59511 -115.1 -8.0 59512 -115.0 -8.0 59513 -114.8 -8.0 59514 -114.8 -8.1 59515 -114.6 -8.2 59516 -114.2 -8.1 59517 -113.7 -7.9 59518 -113.5 -7.6 59519 -113.6 -7.5 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 59489 0.29 -0.13 59490 0.30 -0.14 59491 0.31 -0.16 59492 0.33 -0.17 59493 0.26 -0.17 59494 0.16 -0.17 59495 0.07 -0.17 59496 0.08 -0.14 59497 0.12 -0.10 59498 0.16 -0.07 59499 0.21 -0.04 59500 0.25 -0.00 59501 0.25 -0.03 59502 0.25 -0.08 59503 0.24 -0.08 59504 0.23 -0.07 59505 0.22 -0.06 59506 0.21 -0.04 59507 0.23 -0.07 59508 0.25 -0.10 59509 0.28 -0.13 59510 0.28 -0.11 59511 0.28 -0.07 59512 0.27 -0.04 59513 0.26 0.00 59514 0.24 -0.03 59515 0.23 -0.08 59516 0.21 -0.12 59517 0.21 -0.12 59518 0.22 -0.10 59519 0.23 -0.09 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).