********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 14 October 2021 Vol. XXXIV No. 041 ______________________________________________________________________ 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 10 8 59495 0.20877 .00009 0.27040 .00009 -0.105547 0.000025 21 10 9 59496 0.20706 .00009 0.26864 .00009 -0.105927 0.000021 21 10 10 59497 0.20561 .00009 0.26713 .00009 -0.106058 0.000024 21 10 11 59498 0.20429 .00009 0.26602 .00009 -0.105959 0.000019 21 10 12 59499 0.20289 .00009 0.26539 .00009 -0.105697 0.000018 21 10 13 59500 0.20129 .00009 0.26499 .00009 -0.105351 0.000016 21 10 14 59501 0.19950 .00009 0.26454 .00009 -0.105061 0.000015 _______________________________________________________________________ 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 = 0.1378 + 0.0958 cos A - 0.0717 sin A - 0.0375 cos C - 0.0350 sin C y = 0.3579 - 0.0576 cos A - 0.0937 sin A - 0.0350 cos C + 0.0375 sin C UT1-UTC = -0.1313 + 0.00022 (MJD - 59509) - (UT2-UT1) where A = 2*pi*(MJD-59501)/365.25 and C = 2*pi*(MJD-59501)/435. TAI-UTC(MJD 59502) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-59501)**0.80 S t = 0.00025 (MJD-59501)**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 10 15 59502 0.1976 0.2639 -0.10482 2021 10 16 59503 0.1958 0.2631 -0.10471 2021 10 17 59504 0.1941 0.2623 -0.10476 2021 10 18 59505 0.1924 0.2614 -0.10495 2021 10 19 59506 0.1908 0.2606 -0.10523 2021 10 20 59507 0.1891 0.2599 -0.10553 2021 10 21 59508 0.1874 0.2591 -0.10576 2021 10 22 59509 0.1857 0.2584 -0.10587 2021 10 23 59510 0.1840 0.2576 -0.10582 2021 10 24 59511 0.1823 0.2569 -0.10559 2021 10 25 59512 0.1807 0.2561 -0.10519 2021 10 26 59513 0.1791 0.2555 -0.10469 2021 10 27 59514 0.1775 0.2549 -0.10418 2021 10 28 59515 0.1758 0.2543 -0.10371 2021 10 29 59516 0.1740 0.2538 -0.10335 2021 10 30 59517 0.1723 0.2532 -0.10315 2021 10 31 59518 0.1705 0.2527 -0.10315 2021 11 1 59519 0.1687 0.2521 -0.10339 2021 11 2 59520 0.1668 0.2515 -0.10387 2021 11 3 59521 0.1650 0.2509 -0.10451 2021 11 4 59522 0.1632 0.2504 -0.10519 2021 11 5 59523 0.1614 0.2499 -0.10575 2021 11 6 59524 0.1596 0.2495 -0.10608 2021 11 7 59525 0.1577 0.2491 -0.10612 2021 11 8 59526 0.1559 0.2487 -0.10591 2021 11 9 59527 0.1540 0.2483 -0.10556 2021 11 10 59528 0.1521 0.2480 -0.10521 2021 11 11 59529 0.1502 0.2477 -0.10495 2021 11 12 59530 0.1483 0.2474 -0.10486 2021 11 13 59531 0.1464 0.2472 -0.10492 2021 11 14 59532 0.1444 0.2470 -0.10512 2021 11 15 59533 0.1425 0.2468 -0.10539 2021 11 16 59534 0.1405 0.2467 -0.10568 2021 11 17 59535 0.1386 0.2465 -0.10591 2021 11 18 59536 0.1366 0.2464 -0.10603 2021 11 19 59537 0.1347 0.2464 -0.10599 2021 11 20 59538 0.1327 0.2463 -0.10577 2021 11 21 59539 0.1308 0.2464 -0.10539 2021 11 22 59540 0.1288 0.2464 -0.10487 2021 11 23 59541 0.1269 0.2465 -0.10428 2021 11 24 59542 0.1249 0.2466 -0.10368 2021 11 25 59543 0.1229 0.2467 -0.10315 2021 11 26 59544 0.1210 0.2468 -0.10277 2021 11 27 59545 0.1190 0.2470 -0.10258 2021 11 28 59546 0.1170 0.2472 -0.10262 2021 11 29 59547 0.1151 0.2475 -0.10291 2021 11 30 59548 0.1131 0.2478 -0.10342 2021 12 1 59549 0.1112 0.2481 -0.10403 2021 12 2 59550 0.1092 0.2484 -0.10463 2021 12 3 59551 0.1073 0.2487 -0.10507 2021 12 4 59552 0.1053 0.2491 -0.10526 2021 12 5 59553 0.1034 0.2496 -0.10520 2021 12 6 59554 0.1015 0.2500 -0.10498 2021 12 7 59555 0.0995 0.2505 -0.10471 2021 12 8 59556 0.0976 0.2510 -0.10452 2021 12 9 59557 0.0957 0.2515 -0.10450 2021 12 10 59558 0.0938 0.2521 -0.10465 2021 12 11 59559 0.0919 0.2527 -0.10493 2021 12 12 59560 0.0900 0.2533 -0.10529 2021 12 13 59561 0.0882 0.2539 -0.10566 2021 12 14 59562 0.0863 0.2546 -0.10595 2021 12 15 59563 0.0844 0.2553 -0.10613 2021 12 16 59564 0.0826 0.2560 -0.10615 2021 12 17 59565 0.0808 0.2568 -0.10599 2021 12 18 59566 0.0790 0.2576 -0.10566 2021 12 19 59567 0.0771 0.2584 -0.10518 2021 12 20 59568 0.0753 0.2592 -0.10461 2021 12 21 59569 0.0736 0.2601 -0.10400 2021 12 22 59570 0.0718 0.2610 -0.10344 2021 12 23 59571 0.0700 0.2619 -0.10299 2021 12 24 59572 0.0683 0.2629 -0.10272 2021 12 25 59573 0.0666 0.2638 -0.10265 2021 12 26 59574 0.0649 0.2648 -0.10280 2021 12 27 59575 0.0632 0.2659 -0.10314 2021 12 28 59576 0.0615 0.2669 -0.10360 2021 12 29 59577 0.0599 0.2680 -0.10408 2021 12 30 59578 0.0582 0.2691 -0.10446 2021 12 31 59579 0.0566 0.2702 -0.10464 2022 1 1 59580 0.0550 0.2714 -0.10458 2022 1 2 59581 0.0534 0.2726 -0.10432 2022 1 3 59582 0.0519 0.2738 -0.10396 2022 1 4 59583 0.0503 0.2750 -0.10365 2022 1 5 59584 0.0488 0.2762 -0.10350 2022 1 6 59585 0.0473 0.2775 -0.10354 2022 1 7 59586 0.0458 0.2788 -0.10375 2022 1 8 59587 0.0444 0.2801 -0.10409 2022 1 9 59588 0.0429 0.2815 -0.10445 2022 1 10 59589 0.0415 0.2828 -0.10476 2022 1 11 59590 0.0402 0.2842 -0.10497 2022 1 12 59591 0.0388 0.2856 -0.10502 2022 1 13 59592 0.0375 0.2870 -0.10490 2022 1 14 59593 0.0361 0.2885 -0.10461 2022 1 15 59594 0.0349 0.2900 -0.10417 2022 1 16 59595 0.0336 0.2914 -0.10363 2022 1 17 59596 0.0324 0.2929 -0.10306 2022 1 18 59597 0.0311 0.2945 -0.10251 2022 1 19 59598 0.0300 0.2960 -0.10208 2022 1 20 59599 0.0288 0.2976 -0.10181 2022 1 21 59600 0.0277 0.2991 -0.10174 2022 1 22 59601 0.0266 0.3007 -0.10189 2022 1 23 59602 0.0255 0.3024 -0.10222 2022 1 24 59603 0.0245 0.3040 -0.10267 2022 1 25 59604 0.0234 0.3056 -0.10315 2022 1 26 59605 0.0224 0.3073 -0.10356 2022 1 27 59606 0.0215 0.3090 -0.10380 2022 1 28 59607 0.0206 0.3107 -0.10382 2022 1 29 59608 0.0197 0.3124 -0.10365 2022 1 30 59609 0.0188 0.3141 -0.10335 2022 1 31 59610 0.0179 0.3158 -0.10300 2022 2 1 59611 0.0171 0.3176 -0.10279 2022 2 2 59612 0.0164 0.3193 -0.10278 2022 2 3 59613 0.0156 0.3211 -0.10299 2022 2 4 59614 0.0149 0.3229 -0.10337 2022 2 5 59615 0.0142 0.3247 -0.10383 2022 2 6 59616 0.0136 0.3265 -0.10427 2022 2 7 59617 0.0129 0.3283 -0.10460 2022 2 8 59618 0.0123 0.3301 -0.10479 2022 2 9 59619 0.0118 0.3319 -0.10480 2022 2 10 59620 0.0113 0.3338 -0.10463 2022 2 11 59621 0.0108 0.3356 -0.10432 2022 2 12 59622 0.0103 0.3375 -0.10390 2022 2 13 59623 0.0099 0.3394 -0.10343 2022 2 14 59624 0.0095 0.3412 -0.10298 2022 2 15 59625 0.0091 0.3431 -0.10264 2022 2 16 59626 0.0088 0.3450 -0.10246 2022 2 17 59627 0.0085 0.3469 -0.10250 2022 2 18 59628 0.0083 0.3488 -0.10277 2022 2 19 59629 0.0080 0.3507 -0.10324 2022 2 20 59630 0.0078 0.3526 -0.10385 2022 2 21 59631 0.0077 0.3545 -0.10449 2022 2 22 59632 0.0076 0.3564 -0.10508 2022 2 23 59633 0.0075 0.3583 -0.10550 2022 2 24 59634 0.0074 0.3602 -0.10572 2022 2 25 59635 0.0074 0.3621 -0.10573 2022 2 26 59636 0.0074 0.3641 -0.10560 2022 2 27 59637 0.0075 0.3660 -0.10545 2022 2 28 59638 0.0075 0.3679 -0.10538 2022 3 1 59639 0.0077 0.3698 -0.10550 2022 3 2 59640 0.0078 0.3717 -0.10586 2022 3 3 59641 0.0080 0.3736 -0.10643 2022 3 4 59642 0.0082 0.3755 -0.10714 2022 3 5 59643 0.0085 0.3775 -0.10787 2022 3 6 59644 0.0088 0.3794 -0.10854 2022 3 7 59645 0.0091 0.3813 -0.10907 2022 3 8 59646 0.0094 0.3832 -0.10942 2022 3 9 59647 0.0098 0.3850 -0.10958 2022 3 10 59648 0.0102 0.3869 -0.10956 2022 3 11 59649 0.0107 0.3888 -0.10942 2022 3 12 59650 0.0112 0.3907 -0.10920 2022 3 13 59651 0.0117 0.3926 -0.10898 2022 3 14 59652 0.0123 0.3944 -0.10883 2022 3 15 59653 0.0129 0.3963 -0.10883 2022 3 16 59654 0.0135 0.3981 -0.10904 2022 3 17 59655 0.0141 0.3999 -0.10948 2022 3 18 59656 0.0148 0.4018 -0.11016 2022 3 19 59657 0.0156 0.4036 -0.11101 2022 3 20 59658 0.0163 0.4054 -0.11193 2022 3 21 59659 0.0171 0.4072 -0.11280 2022 3 22 59660 0.0179 0.4090 -0.11351 2022 3 23 59661 0.0188 0.4107 -0.11400 2022 3 24 59662 0.0197 0.4125 -0.11426 2022 3 25 59663 0.0206 0.4142 -0.11434 2022 3 26 59664 0.0215 0.4160 -0.11435 2022 3 27 59665 0.0225 0.4177 -0.11440 2022 3 28 59666 0.0235 0.4194 -0.11461 2022 3 29 59667 0.0246 0.4211 -0.11502 2022 3 30 59668 0.0256 0.4228 -0.11566 2022 3 31 59669 0.0267 0.4244 -0.11646 2022 4 1 59670 0.0279 0.4261 -0.11733 2022 4 2 59671 0.0290 0.4277 -0.11818 2022 4 3 59672 0.0302 0.4293 -0.11892 2022 4 4 59673 0.0314 0.4309 -0.11948 2022 4 5 59674 0.0327 0.4325 -0.11984 2022 4 6 59675 0.0339 0.4340 -0.12001 2022 4 7 59676 0.0352 0.4356 -0.12003 2022 4 8 59677 0.0366 0.4371 -0.11994 2022 4 9 59678 0.0379 0.4386 -0.11982 2022 4 10 59679 0.0393 0.4400 -0.11975 2022 4 11 59680 0.0407 0.4415 -0.11980 2022 4 12 59681 0.0422 0.4429 -0.12003 2022 4 13 59682 0.0436 0.4444 -0.12051 2022 4 14 59683 0.0451 0.4458 -0.12124 2022 4 15 59684 0.0466 0.4471 -0.12220 2022 4 16 59685 0.0482 0.4485 -0.12331 2022 4 17 59686 0.0497 0.4498 -0.12446 2022 4 18 59687 0.0513 0.4511 -0.12551 2022 4 19 59688 0.0529 0.4524 -0.12637 2022 4 20 59689 0.0545 0.4536 -0.12701 2022 4 21 59690 0.0562 0.4549 -0.12746 2022 4 22 59691 0.0579 0.4561 -0.12782 2022 4 23 59692 0.0596 0.4573 -0.12818 2022 4 24 59693 0.0613 0.4584 -0.12865 2022 4 25 59694 0.0630 0.4596 -0.12926 2022 4 26 59695 0.0648 0.4607 -0.13002 2022 4 27 59696 0.0666 0.4618 -0.13088 2022 4 28 59697 0.0684 0.4628 -0.13175 2022 4 29 59698 0.0702 0.4638 -0.13256 2022 4 30 59699 0.0720 0.4648 -0.13321 2022 5 1 59700 0.0739 0.4658 -0.13365 2022 5 2 59701 0.0758 0.4668 -0.13386 2022 5 3 59702 0.0776 0.4677 -0.13383 2022 5 4 59703 0.0796 0.4686 -0.13360 2022 5 5 59704 0.0815 0.4694 -0.13320 2022 5 6 59705 0.0834 0.4703 -0.13271 2022 5 7 59706 0.0854 0.4711 -0.13219 2022 5 8 59707 0.0873 0.4719 -0.13172 2022 5 9 59708 0.0893 0.4726 -0.13135 2022 5 10 59709 0.0913 0.4733 -0.13114 2022 5 11 59710 0.0933 0.4740 -0.13112 2022 5 12 59711 0.0953 0.4747 -0.13128 2022 5 13 59712 0.0974 0.4753 -0.13157 2022 5 14 59713 0.0994 0.4759 -0.13187 2022 5 15 59714 0.1014 0.4765 -0.13205 2022 5 16 59715 0.1035 0.4770 -0.13199 2022 5 17 59716 0.1056 0.4775 -0.13163 2022 5 18 59717 0.1077 0.4780 -0.13097 2022 5 19 59718 0.1097 0.4784 -0.13013 2022 5 20 59719 0.1118 0.4788 -0.12925 2022 5 21 59720 0.1139 0.4792 -0.12845 2022 5 22 59721 0.1160 0.4796 -0.12783 2022 5 23 59722 0.1182 0.4799 -0.12740 2022 5 24 59723 0.1203 0.4802 -0.12713 2022 5 25 59724 0.1224 0.4805 -0.12693 2022 5 26 59725 0.1245 0.4807 -0.12666 2022 5 27 59726 0.1267 0.4809 -0.12627 2022 5 28 59727 0.1288 0.4810 -0.12574 2022 5 29 59728 0.1309 0.4812 -0.12500 2022 5 30 59729 0.1331 0.4813 -0.12405 2022 5 31 59730 0.1352 0.4813 -0.12298 2022 6 1 59731 0.1374 0.4814 -0.12178 2022 6 2 59732 0.1395 0.4814 -0.12051 2022 6 3 59733 0.1417 0.4814 -0.11919 2022 6 4 59734 0.1438 0.4813 -0.11789 2022 6 5 59735 0.1459 0.4812 -0.11673 2022 6 6 59736 0.1481 0.4811 -0.11574 2022 6 7 59737 0.1502 0.4809 -0.11494 2022 6 8 59738 0.1524 0.4807 -0.11437 2022 6 9 59739 0.1545 0.4805 -0.11396 2022 6 10 59740 0.1566 0.4803 -0.11364 2022 6 11 59741 0.1587 0.4800 -0.11335 2022 6 12 59742 0.1608 0.4797 -0.11294 2022 6 13 59743 0.1629 0.4793 -0.11218 2022 6 14 59744 0.1650 0.4790 -0.11113 2022 6 15 59745 0.1671 0.4786 -0.10985 2022 6 16 59746 0.1692 0.4781 -0.10844 2022 6 17 59747 0.1713 0.4776 -0.10709 2022 6 18 59748 0.1734 0.4771 -0.10587 2022 6 19 59749 0.1754 0.4766 -0.10485 2022 6 20 59750 0.1775 0.4761 -0.10396 2022 6 21 59751 0.1795 0.4755 -0.10325 2022 6 22 59752 0.1815 0.4748 -0.10256 2022 6 23 59753 0.1836 0.4742 -0.10188 2022 6 24 59754 0.1856 0.4735 -0.10117 2022 6 25 59755 0.1875 0.4728 -0.10030 2022 6 26 59756 0.1895 0.4721 -0.09932 2022 6 27 59757 0.1915 0.4713 -0.09822 2022 6 28 59758 0.1934 0.4705 -0.09700 2022 6 29 59759 0.1954 0.4697 -0.09573 2022 6 30 59760 0.1973 0.4688 -0.09442 2022 7 1 59761 0.1992 0.4679 -0.09312 2022 7 2 59762 0.2011 0.4670 -0.09192 2022 7 3 59763 0.2029 0.4661 -0.09087 2022 7 4 59764 0.2048 0.4651 -0.09002 2022 7 5 59765 0.2066 0.4641 -0.08932 2022 7 6 59766 0.2084 0.4631 -0.08874 2022 7 7 59767 0.2102 0.4620 -0.08827 2022 7 8 59768 0.2120 0.4609 -0.08781 2022 7 9 59769 0.2137 0.4598 -0.08728 2022 7 10 59770 0.2155 0.4587 -0.08659 2022 7 11 59771 0.2172 0.4576 -0.08566 2022 7 12 59772 0.2189 0.4564 -0.08446 2022 7 13 59773 0.2205 0.4552 -0.08308 2022 7 14 59774 0.2222 0.4539 -0.08161 2022 7 15 59775 0.2238 0.4527 -0.08030 2022 7 16 59776 0.2254 0.4514 -0.07925 2022 7 17 59777 0.2270 0.4501 -0.07832 2022 7 18 59778 0.2285 0.4488 -0.07747 2022 7 19 59779 0.2301 0.4474 -0.07672 2022 7 20 59780 0.2316 0.4461 -0.07592 2022 7 21 59781 0.2330 0.4447 -0.07500 2022 7 22 59782 0.2345 0.4433 -0.07391 2022 7 23 59783 0.2359 0.4418 -0.07253 2022 7 24 59784 0.2373 0.4404 -0.07097 2022 7 25 59785 0.2387 0.4389 -0.06923 2022 7 26 59786 0.2400 0.4374 -0.06737 2022 7 27 59787 0.2414 0.4359 -0.06550 2022 7 28 59788 0.2426 0.4343 -0.06367 2022 7 29 59789 0.2439 0.4328 -0.06193 2022 7 30 59790 0.2451 0.4312 -0.06049 2022 7 31 59791 0.2463 0.4296 -0.05924 2022 8 1 59792 0.2475 0.4280 -0.05821 2022 8 2 59793 0.2486 0.4264 -0.05735 2022 8 3 59794 0.2498 0.4247 -0.05655 2022 8 4 59795 0.2508 0.4231 -0.05576 2022 8 5 59796 0.2519 0.4214 -0.05496 2022 8 6 59797 0.2529 0.4197 -0.05407 2022 8 7 59798 0.2539 0.4180 -0.05297 2022 8 8 59799 0.2549 0.4163 -0.05165 2022 8 9 59800 0.2558 0.4145 -0.05019 2022 8 10 59801 0.2567 0.4128 -0.04871 2022 8 11 59802 0.2575 0.4110 -0.04738 2022 8 12 59803 0.2584 0.4093 -0.04630 2022 8 13 59804 0.2592 0.4075 -0.04550 2022 8 14 59805 0.2599 0.4057 -0.04497 2022 8 15 59806 0.2606 0.4039 -0.04462 2022 8 16 59807 0.2613 0.4021 -0.04426 2022 8 17 59808 0.2620 0.4002 -0.04377 2022 8 18 59809 0.2626 0.3984 -0.04309 2022 8 19 59810 0.2632 0.3965 -0.04224 2022 8 20 59811 0.2638 0.3947 -0.04122 2022 8 21 59812 0.2643 0.3928 -0.04004 2022 8 22 59813 0.2648 0.3910 -0.03883 2022 8 23 59814 0.2653 0.3891 -0.03752 2022 8 24 59815 0.2657 0.3872 -0.03620 2022 8 25 59816 0.2661 0.3853 -0.03495 2022 8 26 59817 0.2664 0.3834 -0.03383 2022 8 27 59818 0.2668 0.3815 -0.03293 2022 8 28 59819 0.2670 0.3796 -0.03217 2022 8 29 59820 0.2673 0.3777 -0.03165 2022 8 30 59821 0.2675 0.3758 -0.03131 2022 8 31 59822 0.2677 0.3739 -0.03104 2022 9 1 59823 0.2678 0.3720 -0.03073 2022 9 2 59824 0.2679 0.3700 -0.03033 2022 9 3 59825 0.2680 0.3681 -0.02983 2022 9 4 59826 0.2681 0.3662 -0.02914 2022 9 5 59827 0.2681 0.3643 -0.02836 2022 9 6 59828 0.2680 0.3624 -0.02755 2022 9 7 59829 0.2680 0.3605 -0.02682 2022 9 8 59830 0.2679 0.3585 -0.02631 2022 9 9 59831 0.2677 0.3566 -0.02601 2022 9 10 59832 0.2676 0.3547 -0.02595 2022 9 11 59833 0.2673 0.3528 -0.02609 2022 9 12 59834 0.2671 0.3509 -0.02633 2022 9 13 59835 0.2668 0.3490 -0.02651 2022 9 14 59836 0.2665 0.3471 -0.02649 2022 9 15 59837 0.2662 0.3452 -0.02623 2022 9 16 59838 0.2658 0.3433 -0.02578 2022 9 17 59839 0.2654 0.3415 -0.02507 2022 9 18 59840 0.2649 0.3396 -0.02436 2022 9 19 59841 0.2645 0.3377 -0.02355 2022 9 20 59842 0.2639 0.3359 -0.02273 2022 9 21 59843 0.2634 0.3340 -0.02195 2022 9 22 59844 0.2628 0.3322 -0.02124 2022 9 23 59845 0.2622 0.3304 -0.02069 2022 9 24 59846 0.2615 0.3286 -0.02040 2022 9 25 59847 0.2608 0.3267 -0.02033 2022 9 26 59848 0.2601 0.3249 -0.02051 2022 9 27 59849 0.2594 0.3232 -0.02077 2022 9 28 59850 0.2586 0.3214 -0.02103 2022 9 29 59851 0.2578 0.3196 -0.02120 2022 9 30 59852 0.2569 0.3179 -0.02116 2022 10 1 59853 0.2561 0.3161 -0.02095 2022 10 2 59854 0.2552 0.3144 -0.02056 2022 10 3 59855 0.2542 0.3127 -0.02009 2022 10 4 59856 0.2532 0.3110 -0.01972 2022 10 5 59857 0.2522 0.3094 -0.01943 2022 10 6 59858 0.2512 0.3077 -0.01931 2022 10 7 59859 0.2501 0.3060 -0.01946 2022 10 8 59860 0.2490 0.3044 -0.01988 2022 10 9 59861 0.2479 0.3028 -0.02049 2022 10 10 59862 0.2468 0.3012 -0.02113 2022 10 11 59863 0.2456 0.2996 -0.02163 2022 10 12 59864 0.2444 0.2981 -0.02192 2022 10 13 59865 0.2431 0.2966 -0.02196 2022 10 14 59866 0.2419 0.2950 -0.02172 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) 59479 -117.73 0.60 -8.47 0.04 59480 -117.82 0.60 -8.35 0.04 59481 -117.97 0.60 -8.41 0.04 59482 -118.07 0.32 -8.55 0.16 59483 -118.00 0.67 -8.64 0.00 59484 -117.82 0.67 -8.66 0.00 59485 -117.67 0.67 -8.66 0.00 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 59479 0.243 0.237 -0.026 0.037 59480 0.233 0.237 -0.007 0.037 59481 0.228 0.237 0.007 0.037 59482 0.228 0.128 0.016 0.160 59483 0.231 0.265 0.021 0.001 59484 0.237 0.265 0.024 0.001 59485 0.243 0.265 0.025 0.001 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).