********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 11 November 2021 Vol. XXXIV No. 045 ______________________________________________________________________ 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. * * * * 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 5 59523 0.16141 .00009 0.24981 .00009 -0.107051 0.000014 21 11 6 59524 0.15899 .00009 0.24928 .00009 -0.107422 0.000012 21 11 7 59525 0.15654 .00009 0.24872 .00009 -0.107481 0.000007 21 11 8 59526 0.15440 .00009 0.24810 .00009 -0.107364 0.000005 21 11 9 59527 0.15252 .00009 0.24757 .00009 -0.107162 0.000004 21 11 10 59528 0.15088 .00009 0.24715 .00009 -0.106971 0.000004 21 11 11 59529 0.14951 .00009 0.24682 .00009 -0.106848 0.000055 _______________________________________________________________________ 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 = 0.1434 + 0.0499 cos A - 0.1009 sin A - 0.0414 cos C - 0.0218 sin C y = 0.3564 - 0.0873 cos A - 0.0526 sin A - 0.0218 cos C + 0.0414 sin C UT1-UTC = -0.1202 + 0.00021 (MJD - 59537) - (UT2-UT1) where A = 2*pi*(MJD-59529)/365.25 and C = 2*pi*(MJD-59529)/435. TAI-UTC(MJD 59530) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-59529)**0.80 S t = 0.00025 (MJD-59529)**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 12 59530 0.1481 0.2466 -0.10692 2021 11 13 59531 0.1465 0.2465 -0.10715 2021 11 14 59532 0.1447 0.2465 -0.10746 2021 11 15 59533 0.1428 0.2464 -0.10780 2021 11 16 59534 0.1410 0.2463 -0.10808 2021 11 17 59535 0.1391 0.2461 -0.10826 2021 11 18 59536 0.1372 0.2459 -0.10830 2021 11 19 59537 0.1353 0.2458 -0.10817 2021 11 20 59538 0.1335 0.2458 -0.10787 2021 11 21 59539 0.1316 0.2457 -0.10742 2021 11 22 59540 0.1296 0.2457 -0.10690 2021 11 23 59541 0.1277 0.2458 -0.10635 2021 11 24 59542 0.1258 0.2459 -0.10581 2021 11 25 59543 0.1239 0.2459 -0.10535 2021 11 26 59544 0.1220 0.2461 -0.10499 2021 11 27 59545 0.1201 0.2463 -0.10484 2021 11 28 59546 0.1182 0.2466 -0.10493 2021 11 29 59547 0.1163 0.2468 -0.10525 2021 11 30 59548 0.1143 0.2471 -0.10575 2021 12 1 59549 0.1124 0.2474 -0.10633 2021 12 2 59550 0.1104 0.2477 -0.10686 2021 12 3 59551 0.1084 0.2480 -0.10721 2021 12 4 59552 0.1065 0.2484 -0.10731 2021 12 5 59553 0.1046 0.2488 -0.10713 2021 12 6 59554 0.1027 0.2493 -0.10676 2021 12 7 59555 0.1008 0.2498 -0.10633 2021 12 8 59556 0.0989 0.2503 -0.10596 2021 12 9 59557 0.0970 0.2508 -0.10575 2021 12 10 59558 0.0951 0.2514 -0.10570 2021 12 11 59559 0.0932 0.2520 -0.10579 2021 12 12 59560 0.0913 0.2526 -0.10593 2021 12 13 59561 0.0895 0.2532 -0.10607 2021 12 14 59562 0.0876 0.2539 -0.10613 2021 12 15 59563 0.0858 0.2546 -0.10607 2021 12 16 59564 0.0840 0.2554 -0.10587 2021 12 17 59565 0.0822 0.2561 -0.10549 2021 12 18 59566 0.0803 0.2569 -0.10493 2021 12 19 59567 0.0786 0.2577 -0.10423 2021 12 20 59568 0.0768 0.2586 -0.10344 2021 12 21 59569 0.0750 0.2594 -0.10261 2021 12 22 59570 0.0733 0.2603 -0.10183 2021 12 23 59571 0.0716 0.2613 -0.10115 2021 12 24 59572 0.0698 0.2622 -0.10065 2021 12 25 59573 0.0681 0.2632 -0.10035 2021 12 26 59574 0.0665 0.2642 -0.10027 2021 12 27 59575 0.0648 0.2652 -0.10037 2021 12 28 59576 0.0631 0.2663 -0.10060 2021 12 29 59577 0.0615 0.2673 -0.10084 2021 12 30 59578 0.0599 0.2684 -0.10099 2021 12 31 59579 0.0583 0.2696 -0.10093 2022 1 1 59580 0.0567 0.2707 -0.10063 2022 1 2 59581 0.0552 0.2719 -0.10012 2022 1 3 59582 0.0536 0.2731 -0.09952 2022 1 4 59583 0.0521 0.2743 -0.09896 2022 1 5 59584 0.0506 0.2756 -0.09854 2022 1 6 59585 0.0491 0.2768 -0.09833 2022 1 7 59586 0.0477 0.2781 -0.09830 2022 1 8 59587 0.0462 0.2795 -0.09837 2022 1 9 59588 0.0448 0.2808 -0.09849 2022 1 10 59589 0.0434 0.2822 -0.09855 2022 1 11 59590 0.0421 0.2835 -0.09853 2022 1 12 59591 0.0407 0.2850 -0.09836 2022 1 13 59592 0.0394 0.2864 -0.09805 2022 1 14 59593 0.0381 0.2878 -0.09758 2022 1 15 59594 0.0369 0.2893 -0.09698 2022 1 16 59595 0.0356 0.2908 -0.09630 2022 1 17 59596 0.0344 0.2923 -0.09559 2022 1 18 59597 0.0332 0.2938 -0.09494 2022 1 19 59598 0.0320 0.2954 -0.09441 2022 1 20 59599 0.0309 0.2969 -0.09406 2022 1 21 59600 0.0298 0.2985 -0.09392 2022 1 22 59601 0.0287 0.3001 -0.09400 2022 1 23 59602 0.0277 0.3017 -0.09426 2022 1 24 59603 0.0266 0.3034 -0.09465 2022 1 25 59604 0.0256 0.3050 -0.09506 2022 1 26 59605 0.0247 0.3067 -0.09541 2022 1 27 59606 0.0237 0.3084 -0.09559 2022 1 28 59607 0.0228 0.3101 -0.09556 2022 1 29 59608 0.0219 0.3118 -0.09532 2022 1 30 59609 0.0211 0.3135 -0.09496 2022 1 31 59610 0.0202 0.3153 -0.09461 2022 2 1 59611 0.0195 0.3170 -0.09438 2022 2 2 59612 0.0187 0.3188 -0.09436 2022 2 3 59613 0.0180 0.3206 -0.09456 2022 2 4 59614 0.0173 0.3223 -0.09494 2022 2 5 59615 0.0166 0.3241 -0.09539 2022 2 6 59616 0.0160 0.3260 -0.09583 2022 2 7 59617 0.0153 0.3278 -0.09618 2022 2 8 59618 0.0148 0.3296 -0.09638 2022 2 9 59619 0.0142 0.3315 -0.09641 2022 2 10 59620 0.0137 0.3333 -0.09627 2022 2 11 59621 0.0132 0.3352 -0.09598 2022 2 12 59622 0.0128 0.3370 -0.09560 2022 2 13 59623 0.0124 0.3389 -0.09517 2022 2 14 59624 0.0120 0.3408 -0.09478 2022 2 15 59625 0.0117 0.3427 -0.09448 2022 2 16 59626 0.0113 0.3446 -0.09436 2022 2 17 59627 0.0111 0.3465 -0.09446 2022 2 18 59628 0.0108 0.3484 -0.09480 2022 2 19 59629 0.0106 0.3503 -0.09534 2022 2 20 59630 0.0104 0.3522 -0.09603 2022 2 21 59631 0.0103 0.3541 -0.09676 2022 2 22 59632 0.0102 0.3560 -0.09743 2022 2 23 59633 0.0101 0.3579 -0.09794 2022 2 24 59634 0.0101 0.3599 -0.09825 2022 2 25 59635 0.0100 0.3618 -0.09835 2022 2 26 59636 0.0101 0.3637 -0.09830 2022 2 27 59637 0.0101 0.3656 -0.09822 2022 2 28 59638 0.0102 0.3676 -0.09815 2022 3 1 59639 0.0103 0.3695 -0.09828 2022 3 2 59640 0.0105 0.3714 -0.09864 2022 3 3 59641 0.0107 0.3733 -0.09922 2022 3 4 59642 0.0109 0.3752 -0.09993 2022 3 5 59643 0.0112 0.3772 -0.10068 2022 3 6 59644 0.0115 0.3791 -0.10135 2022 3 7 59645 0.0118 0.3810 -0.10189 2022 3 8 59646 0.0122 0.3829 -0.10225 2022 3 9 59647 0.0126 0.3848 -0.10242 2022 3 10 59648 0.0130 0.3867 -0.10241 2022 3 11 59649 0.0135 0.3886 -0.10228 2022 3 12 59650 0.0140 0.3904 -0.10208 2022 3 13 59651 0.0145 0.3923 -0.10187 2022 3 14 59652 0.0150 0.3942 -0.10175 2022 3 15 59653 0.0156 0.3960 -0.10176 2022 3 16 59654 0.0163 0.3979 -0.10199 2022 3 17 59655 0.0169 0.3997 -0.10245 2022 3 18 59656 0.0176 0.4016 -0.10314 2022 3 19 59657 0.0184 0.4034 -0.10401 2022 3 20 59658 0.0191 0.4052 -0.10495 2022 3 21 59659 0.0199 0.4070 -0.10583 2022 3 22 59660 0.0207 0.4088 -0.10656 2022 3 23 59661 0.0216 0.4106 -0.10706 2022 3 24 59662 0.0225 0.4123 -0.10732 2022 3 25 59663 0.0234 0.4141 -0.10741 2022 3 26 59664 0.0243 0.4158 -0.10743 2022 3 27 59665 0.0253 0.4175 -0.10749 2022 3 28 59666 0.0263 0.4192 -0.10770 2022 3 29 59667 0.0274 0.4209 -0.10812 2022 3 30 59668 0.0284 0.4226 -0.10875 2022 3 31 59669 0.0295 0.4243 -0.10955 2022 4 1 59670 0.0307 0.4259 -0.11041 2022 4 2 59671 0.0318 0.4276 -0.11125 2022 4 3 59672 0.0330 0.4292 -0.11196 2022 4 4 59673 0.0342 0.4308 -0.11250 2022 4 5 59674 0.0355 0.4323 -0.11283 2022 4 6 59675 0.0367 0.4339 -0.11297 2022 4 7 59676 0.0380 0.4354 -0.11293 2022 4 8 59677 0.0394 0.4370 -0.11279 2022 4 9 59678 0.0407 0.4385 -0.11261 2022 4 10 59679 0.0421 0.4399 -0.11247 2022 4 11 59680 0.0435 0.4414 -0.11243 2022 4 12 59681 0.0450 0.4428 -0.11256 2022 4 13 59682 0.0464 0.4443 -0.11290 2022 4 14 59683 0.0479 0.4456 -0.11349 2022 4 15 59684 0.0494 0.4470 -0.11427 2022 4 16 59685 0.0509 0.4484 -0.11517 2022 4 17 59686 0.0525 0.4497 -0.11607 2022 4 18 59687 0.0541 0.4510 -0.11684 2022 4 19 59688 0.0557 0.4523 -0.11737 2022 4 20 59689 0.0573 0.4535 -0.11763 2022 4 21 59690 0.0590 0.4548 -0.11766 2022 4 22 59691 0.0606 0.4560 -0.11756 2022 4 23 59692 0.0623 0.4572 -0.11746 2022 4 24 59693 0.0640 0.4583 -0.11747 2022 4 25 59694 0.0658 0.4595 -0.11765 2022 4 26 59695 0.0675 0.4606 -0.11802 2022 4 27 59696 0.0693 0.4616 -0.11855 2022 4 28 59697 0.0711 0.4627 -0.11916 2022 4 29 59698 0.0729 0.4637 -0.11977 2022 4 30 59699 0.0747 0.4647 -0.12028 2022 5 1 59700 0.0766 0.4657 -0.12063 2022 5 2 59701 0.0784 0.4666 -0.12077 2022 5 3 59702 0.0803 0.4675 -0.12071 2022 5 4 59703 0.0822 0.4684 -0.12046 2022 5 5 59704 0.0841 0.4693 -0.12007 2022 5 6 59705 0.0861 0.4701 -0.11961 2022 5 7 59706 0.0880 0.4709 -0.11916 2022 5 8 59707 0.0900 0.4717 -0.11879 2022 5 9 59708 0.0919 0.4724 -0.11856 2022 5 10 59709 0.0939 0.4732 -0.11853 2022 5 11 59710 0.0959 0.4738 -0.11874 2022 5 12 59711 0.0979 0.4745 -0.11918 2022 5 13 59712 0.0999 0.4751 -0.11980 2022 5 14 59713 0.1020 0.4757 -0.12052 2022 5 15 59714 0.1040 0.4763 -0.12120 2022 5 16 59715 0.1060 0.4768 -0.12172 2022 5 17 59716 0.1081 0.4773 -0.12201 2022 5 18 59717 0.1102 0.4778 -0.12208 2022 5 19 59718 0.1123 0.4782 -0.12199 2022 5 20 59719 0.1143 0.4786 -0.12187 2022 5 21 59720 0.1164 0.4790 -0.12182 2022 5 22 59721 0.1185 0.4793 -0.12192 2022 5 23 59722 0.1206 0.4796 -0.12217 2022 5 24 59723 0.1227 0.4799 -0.12255 2022 5 25 59724 0.1248 0.4802 -0.12300 2022 5 26 59725 0.1270 0.4804 -0.12343 2022 5 27 59726 0.1291 0.4806 -0.12377 2022 5 28 59727 0.1312 0.4807 -0.12395 2022 5 29 59728 0.1333 0.4809 -0.12392 2022 5 30 59729 0.1355 0.4809 -0.12365 2022 5 31 59730 0.1376 0.4810 -0.12316 2022 6 1 59731 0.1397 0.4810 -0.12247 2022 6 2 59732 0.1418 0.4810 -0.12165 2022 6 3 59733 0.1440 0.4810 -0.12074 2022 6 4 59734 0.1461 0.4809 -0.11983 2022 6 5 59735 0.1482 0.4808 -0.11897 2022 6 6 59736 0.1504 0.4807 -0.11822 2022 6 7 59737 0.1525 0.4805 -0.11762 2022 6 8 59738 0.1546 0.4803 -0.11719 2022 6 9 59739 0.1567 0.4801 -0.11692 2022 6 10 59740 0.1588 0.4798 -0.11676 2022 6 11 59741 0.1609 0.4795 -0.11662 2022 6 12 59742 0.1630 0.4792 -0.11639 2022 6 13 59743 0.1651 0.4788 -0.11594 2022 6 14 59744 0.1672 0.4784 -0.11523 2022 6 15 59745 0.1693 0.4780 -0.11428 2022 6 16 59746 0.1714 0.4776 -0.11321 2022 6 17 59747 0.1734 0.4771 -0.11220 2022 6 18 59748 0.1755 0.4766 -0.11138 2022 6 19 59749 0.1775 0.4760 -0.11080 2022 6 20 59750 0.1795 0.4755 -0.11041 2022 6 21 59751 0.1816 0.4749 -0.11014 2022 6 22 59752 0.1836 0.4742 -0.10986 2022 6 23 59753 0.1856 0.4735 -0.10948 2022 6 24 59754 0.1876 0.4729 -0.10893 2022 6 25 59755 0.1895 0.4721 -0.10816 2022 6 26 59756 0.1915 0.4714 -0.10713 2022 6 27 59757 0.1934 0.4706 -0.10587 2022 6 28 59758 0.1954 0.4698 -0.10441 2022 6 29 59759 0.1973 0.4689 -0.10287 2022 6 30 59760 0.1992 0.4680 -0.10128 2022 7 1 59761 0.2011 0.4671 -0.09972 2022 7 2 59762 0.2030 0.4662 -0.09829 2022 7 3 59763 0.2048 0.4653 -0.09701 2022 7 4 59764 0.2066 0.4643 -0.09597 2022 7 5 59765 0.2085 0.4633 -0.09507 2022 7 6 59766 0.2103 0.4622 -0.09425 2022 7 7 59767 0.2120 0.4611 -0.09350 2022 7 8 59768 0.2138 0.4601 -0.09278 2022 7 9 59769 0.2155 0.4589 -0.09193 2022 7 10 59770 0.2173 0.4578 -0.09087 2022 7 11 59771 0.2190 0.4566 -0.08953 2022 7 12 59772 0.2206 0.4554 -0.08797 2022 7 13 59773 0.2223 0.4542 -0.08628 2022 7 14 59774 0.2239 0.4529 -0.08456 2022 7 15 59775 0.2255 0.4517 -0.08303 2022 7 16 59776 0.2271 0.4504 -0.08173 2022 7 17 59777 0.2287 0.4491 -0.08069 2022 7 18 59778 0.2302 0.4477 -0.07983 2022 7 19 59779 0.2317 0.4463 -0.07903 2022 7 20 59780 0.2332 0.4450 -0.07815 2022 7 21 59781 0.2347 0.4435 -0.07706 2022 7 22 59782 0.2361 0.4421 -0.07576 2022 7 23 59783 0.2375 0.4407 -0.07428 2022 7 24 59784 0.2389 0.4392 -0.07258 2022 7 25 59785 0.2403 0.4377 -0.07074 2022 7 26 59786 0.2416 0.4362 -0.06887 2022 7 27 59787 0.2429 0.4346 -0.06699 2022 7 28 59788 0.2442 0.4331 -0.06517 2022 7 29 59789 0.2454 0.4315 -0.06344 2022 7 30 59790 0.2466 0.4299 -0.06185 2022 7 31 59791 0.2478 0.4283 -0.06048 2022 8 1 59792 0.2490 0.4267 -0.05933 2022 8 2 59793 0.2501 0.4250 -0.05835 2022 8 3 59794 0.2512 0.4234 -0.05754 2022 8 4 59795 0.2523 0.4217 -0.05678 2022 8 5 59796 0.2533 0.4200 -0.05596 2022 8 6 59797 0.2543 0.4183 -0.05506 2022 8 7 59798 0.2553 0.4165 -0.05397 2022 8 8 59799 0.2563 0.4148 -0.05257 2022 8 9 59800 0.2572 0.4131 -0.05102 2022 8 10 59801 0.2581 0.4113 -0.04943 2022 8 11 59802 0.2589 0.4095 -0.04792 2022 8 12 59803 0.2597 0.4077 -0.04665 2022 8 13 59804 0.2605 0.4059 -0.04564 2022 8 14 59805 0.2613 0.4041 -0.04485 2022 8 15 59806 0.2620 0.4023 -0.04416 2022 8 16 59807 0.2627 0.4004 -0.04355 2022 8 17 59808 0.2633 0.3986 -0.04285 2022 8 18 59809 0.2640 0.3967 -0.04206 2022 8 19 59810 0.2646 0.3949 -0.04117 2022 8 20 59811 0.2651 0.3930 -0.04012 2022 8 21 59812 0.2656 0.3911 -0.03901 2022 8 22 59813 0.2661 0.3892 -0.03786 2022 8 23 59814 0.2666 0.3873 -0.03669 2022 8 24 59815 0.2670 0.3854 -0.03562 2022 8 25 59816 0.2674 0.3835 -0.03464 2022 8 26 59817 0.2677 0.3816 -0.03381 2022 8 27 59818 0.2680 0.3797 -0.03317 2022 8 28 59819 0.2683 0.3778 -0.03276 2022 8 29 59820 0.2686 0.3759 -0.03257 2022 8 30 59821 0.2688 0.3739 -0.03247 2022 8 31 59822 0.2690 0.3720 -0.03241 2022 9 1 59823 0.2691 0.3701 -0.03230 2022 9 2 59824 0.2692 0.3681 -0.03207 2022 9 3 59825 0.2693 0.3662 -0.03166 2022 9 4 59826 0.2693 0.3643 -0.03106 2022 9 5 59827 0.2693 0.3623 -0.03030 2022 9 6 59828 0.2693 0.3604 -0.02945 2022 9 7 59829 0.2692 0.3585 -0.02860 2022 9 8 59830 0.2691 0.3565 -0.02787 2022 9 9 59831 0.2690 0.3546 -0.02743 2022 9 10 59832 0.2688 0.3527 -0.02729 2022 9 11 59833 0.2686 0.3508 -0.02724 2022 9 12 59834 0.2683 0.3488 -0.02720 2022 9 13 59835 0.2681 0.3469 -0.02715 2022 9 14 59836 0.2678 0.3450 -0.02696 2022 9 15 59837 0.2674 0.3431 -0.02657 2022 9 16 59838 0.2670 0.3412 -0.02598 2022 9 17 59839 0.2666 0.3393 -0.02512 2022 9 18 59840 0.2662 0.3374 -0.02412 2022 9 19 59841 0.2657 0.3356 -0.02303 2022 9 20 59842 0.2652 0.3337 -0.02194 2022 9 21 59843 0.2646 0.3318 -0.02096 2022 9 22 59844 0.2641 0.3300 -0.02013 2022 9 23 59845 0.2634 0.3281 -0.01948 2022 9 24 59846 0.2628 0.3263 -0.01920 2022 9 25 59847 0.2621 0.3245 -0.01913 2022 9 26 59848 0.2614 0.3227 -0.01926 2022 9 27 59849 0.2607 0.3209 -0.01948 2022 9 28 59850 0.2599 0.3191 -0.01962 2022 9 29 59851 0.2591 0.3173 -0.01961 2022 9 30 59852 0.2582 0.3156 -0.01945 2022 10 1 59853 0.2574 0.3138 -0.01910 2022 10 2 59854 0.2564 0.3121 -0.01856 2022 10 3 59855 0.2555 0.3104 -0.01790 2022 10 4 59856 0.2545 0.3087 -0.01727 2022 10 5 59857 0.2536 0.3070 -0.01681 2022 10 6 59858 0.2525 0.3053 -0.01661 2022 10 7 59859 0.2515 0.3037 -0.01669 2022 10 8 59860 0.2504 0.3020 -0.01702 2022 10 9 59861 0.2493 0.3004 -0.01751 2022 10 10 59862 0.2481 0.2988 -0.01806 2022 10 11 59863 0.2470 0.2972 -0.01848 2022 10 12 59864 0.2458 0.2957 -0.01868 2022 10 13 59865 0.2445 0.2941 -0.01865 2022 10 14 59866 0.2433 0.2926 -0.01844 2022 10 15 59867 0.2420 0.2911 -0.01807 2022 10 16 59868 0.2407 0.2896 -0.01761 2022 10 17 59869 0.2393 0.2881 -0.01718 2022 10 18 59870 0.2380 0.2867 -0.01676 2022 10 19 59871 0.2366 0.2853 -0.01641 2022 10 20 59872 0.2352 0.2839 -0.01619 2022 10 21 59873 0.2338 0.2825 -0.01615 2022 10 22 59874 0.2323 0.2811 -0.01634 2022 10 23 59875 0.2308 0.2798 -0.01665 2022 10 24 59876 0.2293 0.2785 -0.01713 2022 10 25 59877 0.2278 0.2772 -0.01767 2022 10 26 59878 0.2262 0.2760 -0.01814 2022 10 27 59879 0.2246 0.2747 -0.01840 2022 10 28 59880 0.2230 0.2735 -0.01845 2022 10 29 59881 0.2214 0.2723 -0.01835 2022 10 30 59882 0.2198 0.2712 -0.01812 2022 10 31 59883 0.2181 0.2700 -0.01793 2022 11 1 59884 0.2164 0.2689 -0.01786 2022 11 2 59885 0.2147 0.2678 -0.01800 2022 11 3 59886 0.2130 0.2668 -0.01839 2022 11 4 59887 0.2113 0.2658 -0.01893 2022 11 5 59888 0.2095 0.2648 -0.01958 2022 11 6 59889 0.2078 0.2638 -0.02026 2022 11 7 59890 0.2060 0.2628 -0.02088 2022 11 8 59891 0.2042 0.2619 -0.02133 2022 11 9 59892 0.2023 0.2610 -0.02151 2022 11 10 59893 0.2005 0.2602 -0.02143 2022 11 11 59894 0.1987 0.2593 -0.02117 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) 59510 -115.22 0.74 -7.83 0.16 59511 -115.09 0.74 -7.98 0.14 59512 -114.91 0.74 -8.01 0.14 59513 -114.78 0.72 -8.00 0.01 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 59510 0.286 0.296 -0.132 0.158 59511 0.287 0.295 -0.116 0.143 59512 0.288 0.295 -0.093 0.143 59513 0.288 0.286 -0.066 0.006 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).