********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 24 June 2021 Vol. XXXIV No. 025 ______________________________________________________________________ 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 = -0.2 seconds beginning 02 May 2019 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 June 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 * * * * 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 6 18 59383 0.18160 .00009 0.43208 .00009 -0.176264 0.000014 21 6 19 59384 0.18343 .00009 0.43127 .00009 -0.176205 0.000016 21 6 20 59385 0.18526 .00009 0.43074 .00009 -0.176241 0.000016 21 6 21 59386 0.18698 .00009 0.43031 .00009 -0.176202 0.000016 21 6 22 59387 0.18863 .00009 0.42966 .00009 -0.175950 0.000015 21 6 23 59388 0.19027 .00009 0.42869 .00009 -0.175470 0.000015 21 6 24 59389 0.19196 .00009 0.42759 .00009 -0.174699 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 = 0.1296 + 0.0601 cos A + 0.1055 sin A + 0.0070 cos C - 0.0400 sin C y = 0.3647 + 0.1015 cos A - 0.0503 sin A - 0.0400 cos C - 0.0070 sin C UT1-UTC = -0.1557 + 0.00025 (MJD - 59397) - (UT2-UT1) where A = 2*pi*(MJD-59389)/365.25 and C = 2*pi*(MJD-59389)/435. TAI-UTC(MJD 59390) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-59389)**0.80 S t = 0.00025 (MJD-59389)**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 6 25 59390 0.1937 0.4265 -0.17366 2021 6 26 59391 0.1954 0.4255 -0.17246 2021 6 27 59392 0.1971 0.4246 -0.17126 2021 6 28 59393 0.1986 0.4237 -0.17016 2021 6 29 59394 0.2000 0.4228 -0.16922 2021 6 30 59395 0.2014 0.4219 -0.16843 2021 7 1 59396 0.2027 0.4209 -0.16772 2021 7 2 59397 0.2040 0.4198 -0.16702 2021 7 3 59398 0.2053 0.4186 -0.16627 2021 7 4 59399 0.2067 0.4175 -0.16542 2021 7 5 59400 0.2080 0.4164 -0.16442 2021 7 6 59401 0.2093 0.4153 -0.16328 2021 7 7 59402 0.2106 0.4142 -0.16205 2021 7 8 59403 0.2117 0.4131 -0.16072 2021 7 9 59404 0.2129 0.4119 -0.15933 2021 7 10 59405 0.2140 0.4108 -0.15793 2021 7 11 59406 0.2150 0.4096 -0.15659 2021 7 12 59407 0.2161 0.4084 -0.15539 2021 7 13 59408 0.2171 0.4072 -0.15438 2021 7 14 59409 0.2181 0.4060 -0.15360 2021 7 15 59410 0.2191 0.4049 -0.15303 2021 7 16 59411 0.2200 0.4036 -0.15265 2021 7 17 59412 0.2209 0.4024 -0.15237 2021 7 18 59413 0.2218 0.4011 -0.15208 2021 7 19 59414 0.2227 0.3998 -0.15167 2021 7 20 59415 0.2236 0.3985 -0.15107 2021 7 21 59416 0.2245 0.3972 -0.15026 2021 7 22 59417 0.2253 0.3959 -0.14926 2021 7 23 59418 0.2261 0.3945 -0.14817 2021 7 24 59419 0.2269 0.3932 -0.14711 2021 7 25 59420 0.2276 0.3918 -0.14619 2021 7 26 59421 0.2284 0.3904 -0.14544 2021 7 27 59422 0.2291 0.3890 -0.14486 2021 7 28 59423 0.2297 0.3876 -0.14439 2021 7 29 59424 0.2304 0.3861 -0.14396 2021 7 30 59425 0.2310 0.3847 -0.14349 2021 7 31 59426 0.2317 0.3832 -0.14293 2021 8 1 59427 0.2322 0.3817 -0.14222 2021 8 2 59428 0.2328 0.3802 -0.14136 2021 8 3 59429 0.2333 0.3787 -0.14033 2021 8 4 59430 0.2338 0.3772 -0.13917 2021 8 5 59431 0.2343 0.3757 -0.13791 2021 8 6 59432 0.2347 0.3742 -0.13660 2021 8 7 59433 0.2352 0.3726 -0.13532 2021 8 8 59434 0.2356 0.3711 -0.13416 2021 8 9 59435 0.2359 0.3695 -0.13318 2021 8 10 59436 0.2363 0.3679 -0.13243 2021 8 11 59437 0.2366 0.3663 -0.13193 2021 8 12 59438 0.2368 0.3648 -0.13161 2021 8 13 59439 0.2371 0.3632 -0.13139 2021 8 14 59440 0.2373 0.3616 -0.13117 2021 8 15 59441 0.2375 0.3600 -0.13085 2021 8 16 59442 0.2376 0.3583 -0.13033 2021 8 17 59443 0.2378 0.3567 -0.12959 2021 8 18 59444 0.2379 0.3551 -0.12866 2021 8 19 59445 0.2379 0.3535 -0.12760 2021 8 20 59446 0.2380 0.3519 -0.12653 2021 8 21 59447 0.2380 0.3502 -0.12556 2021 8 22 59448 0.2380 0.3486 -0.12475 2021 8 23 59449 0.2379 0.3470 -0.12413 2021 8 24 59450 0.2378 0.3454 -0.12367 2021 8 25 59451 0.2377 0.3437 -0.12329 2021 8 26 59452 0.2376 0.3421 -0.12292 2021 8 27 59453 0.2374 0.3405 -0.12250 2021 8 28 59454 0.2372 0.3388 -0.12197 2021 8 29 59455 0.2370 0.3372 -0.12130 2021 8 30 59456 0.2367 0.3356 -0.12047 2021 8 31 59457 0.2364 0.3339 -0.11951 2021 9 1 59458 0.2361 0.3323 -0.11844 2021 9 2 59459 0.2357 0.3307 -0.11732 2021 9 3 59460 0.2353 0.3291 -0.11621 2021 9 4 59461 0.2349 0.3275 -0.11519 2021 9 5 59462 0.2345 0.3259 -0.11434 2021 9 6 59463 0.2340 0.3243 -0.11373 2021 9 7 59464 0.2335 0.3227 -0.11339 2021 9 8 59465 0.2330 0.3211 -0.11329 2021 9 9 59466 0.2324 0.3195 -0.11337 2021 9 10 59467 0.2318 0.3179 -0.11349 2021 9 11 59468 0.2312 0.3163 -0.11353 2021 9 12 59469 0.2305 0.3148 -0.11340 2021 9 13 59470 0.2299 0.3132 -0.11304 2021 9 14 59471 0.2291 0.3116 -0.11247 2021 9 15 59472 0.2284 0.3101 -0.11179 2021 9 16 59473 0.2276 0.3086 -0.11108 2021 9 17 59474 0.2268 0.3071 -0.11046 2021 9 18 59475 0.2260 0.3055 -0.10999 2021 9 19 59476 0.2252 0.3040 -0.10972 2021 9 20 59477 0.2243 0.3026 -0.10963 2021 9 21 59478 0.2234 0.3011 -0.10967 2021 9 22 59479 0.2224 0.2996 -0.10976 2021 9 23 59480 0.2215 0.2982 -0.10983 2021 9 24 59481 0.2205 0.2967 -0.10981 2021 9 25 59482 0.2195 0.2953 -0.10966 2021 9 26 59483 0.2184 0.2939 -0.10935 2021 9 27 59484 0.2173 0.2925 -0.10889 2021 9 28 59485 0.2162 0.2911 -0.10830 2021 9 29 59486 0.2151 0.2897 -0.10764 2021 9 30 59487 0.2140 0.2884 -0.10698 2021 10 1 59488 0.2128 0.2871 -0.10637 2021 10 2 59489 0.2116 0.2857 -0.10591 2021 10 3 59490 0.2104 0.2844 -0.10566 2021 10 4 59491 0.2091 0.2832 -0.10568 2021 10 5 59492 0.2079 0.2819 -0.10597 2021 10 6 59493 0.2066 0.2806 -0.10648 2021 10 7 59494 0.2052 0.2794 -0.10710 2021 10 8 59495 0.2039 0.2782 -0.10767 2021 10 9 59496 0.2025 0.2770 -0.10806 2021 10 10 59497 0.2011 0.2758 -0.10821 2021 10 11 59498 0.1997 0.2747 -0.10816 2021 10 12 59499 0.1983 0.2736 -0.10793 2021 10 13 59500 0.1968 0.2725 -0.10763 2021 10 14 59501 0.1954 0.2714 -0.10737 2021 10 15 59502 0.1939 0.2703 -0.10725 2021 10 16 59503 0.1924 0.2693 -0.10729 2021 10 17 59504 0.1908 0.2682 -0.10752 2021 10 18 59505 0.1893 0.2672 -0.10788 2021 10 19 59506 0.1877 0.2663 -0.10832 2021 10 20 59507 0.1861 0.2653 -0.10875 2021 10 21 59508 0.1845 0.2644 -0.10911 2021 10 22 59509 0.1829 0.2635 -0.10935 2021 10 23 59510 0.1812 0.2626 -0.10942 2021 10 24 59511 0.1795 0.2617 -0.10932 2021 10 25 59512 0.1779 0.2609 -0.10907 2021 10 26 59513 0.1762 0.2601 -0.10872 2021 10 27 59514 0.1745 0.2593 -0.10832 2021 10 28 59515 0.1727 0.2585 -0.10794 2021 10 29 59516 0.1710 0.2578 -0.10766 2021 10 30 59517 0.1692 0.2571 -0.10755 2021 10 31 59518 0.1675 0.2564 -0.10767 2021 11 1 59519 0.1657 0.2558 -0.10804 2021 11 2 59520 0.1639 0.2551 -0.10866 2021 11 3 59521 0.1621 0.2545 -0.10944 2021 11 4 59522 0.1603 0.2540 -0.11024 2021 11 5 59523 0.1584 0.2534 -0.11093 2021 11 6 59524 0.1566 0.2529 -0.11138 2021 11 7 59525 0.1547 0.2524 -0.11154 2021 11 8 59526 0.1529 0.2519 -0.11146 2021 11 9 59527 0.1510 0.2515 -0.11125 2021 11 10 59528 0.1491 0.2511 -0.11103 2021 11 11 59529 0.1472 0.2507 -0.11091 2021 11 12 59530 0.1453 0.2504 -0.11093 2021 11 13 59531 0.1434 0.2500 -0.11112 2021 11 14 59532 0.1415 0.2497 -0.11143 2021 11 15 59533 0.1396 0.2495 -0.11181 2021 11 16 59534 0.1377 0.2492 -0.11219 2021 11 17 59535 0.1357 0.2490 -0.11250 2021 11 18 59536 0.1338 0.2489 -0.11269 2021 11 19 59537 0.1319 0.2487 -0.11272 2021 11 20 59538 0.1299 0.2486 -0.11257 2021 11 21 59539 0.1280 0.2485 -0.11226 2021 11 22 59540 0.1261 0.2485 -0.11181 2021 11 23 59541 0.1241 0.2484 -0.11128 2021 11 24 59542 0.1222 0.2484 -0.11074 2021 11 25 59543 0.1202 0.2485 -0.11026 2021 11 26 59544 0.1183 0.2485 -0.10991 2021 11 27 59545 0.1163 0.2486 -0.10975 2021 11 28 59546 0.1144 0.2487 -0.10981 2021 11 29 59547 0.1124 0.2489 -0.11010 2021 11 30 59548 0.1105 0.2491 -0.11058 2021 12 1 59549 0.1085 0.2493 -0.11115 2021 12 2 59550 0.1066 0.2495 -0.11168 2021 12 3 59551 0.1046 0.2498 -0.11204 2021 12 4 59552 0.1027 0.2501 -0.11214 2021 12 5 59553 0.1008 0.2504 -0.11197 2021 12 6 59554 0.0989 0.2508 -0.11162 2021 12 7 59555 0.0969 0.2512 -0.11121 2021 12 8 59556 0.0950 0.2516 -0.11086 2021 12 9 59557 0.0931 0.2520 -0.11066 2021 12 10 59558 0.0912 0.2525 -0.11063 2021 12 11 59559 0.0893 0.2530 -0.11073 2021 12 12 59560 0.0875 0.2536 -0.11090 2021 12 13 59561 0.0856 0.2541 -0.11107 2021 12 14 59562 0.0837 0.2547 -0.11117 2021 12 15 59563 0.0819 0.2553 -0.11116 2021 12 16 59564 0.0800 0.2560 -0.11098 2021 12 17 59565 0.0782 0.2567 -0.11062 2021 12 18 59566 0.0764 0.2574 -0.11010 2021 12 19 59567 0.0746 0.2581 -0.10942 2021 12 20 59568 0.0728 0.2589 -0.10865 2021 12 21 59569 0.0710 0.2597 -0.10784 2021 12 22 59570 0.0692 0.2605 -0.10707 2021 12 23 59571 0.0675 0.2614 -0.10640 2021 12 24 59572 0.0657 0.2623 -0.10589 2021 12 25 59573 0.0640 0.2632 -0.10557 2021 12 26 59574 0.0623 0.2641 -0.10546 2021 12 27 59575 0.0606 0.2651 -0.10552 2021 12 28 59576 0.0589 0.2660 -0.10569 2021 12 29 59577 0.0572 0.2671 -0.10588 2021 12 30 59578 0.0556 0.2681 -0.10596 2021 12 31 59579 0.0540 0.2692 -0.10584 2022 1 1 59580 0.0524 0.2702 -0.10548 2022 1 2 59581 0.0508 0.2714 -0.10494 2022 1 3 59582 0.0492 0.2725 -0.10430 2022 1 4 59583 0.0477 0.2737 -0.10371 2022 1 5 59584 0.0461 0.2749 -0.10325 2022 1 6 59585 0.0446 0.2761 -0.10298 2022 1 7 59586 0.0431 0.2773 -0.10288 2022 1 8 59587 0.0417 0.2786 -0.10289 2022 1 9 59588 0.0402 0.2799 -0.10294 2022 1 10 59589 0.0388 0.2812 -0.10295 2022 1 11 59590 0.0374 0.2825 -0.10287 2022 1 12 59591 0.0360 0.2839 -0.10266 2022 1 13 59592 0.0347 0.2852 -0.10230 2022 1 14 59593 0.0334 0.2866 -0.10179 2022 1 15 59594 0.0321 0.2881 -0.10114 2022 1 16 59595 0.0308 0.2895 -0.10041 2022 1 17 59596 0.0295 0.2910 -0.09963 2022 1 18 59597 0.0283 0.2924 -0.09889 2022 1 19 59598 0.0271 0.2939 -0.09825 2022 1 20 59599 0.0259 0.2955 -0.09779 2022 1 21 59600 0.0248 0.2970 -0.09754 2022 1 22 59601 0.0236 0.2986 -0.09753 2022 1 23 59602 0.0226 0.3001 -0.09774 2022 1 24 59603 0.0215 0.3017 -0.09810 2022 1 25 59604 0.0204 0.3033 -0.09852 2022 1 26 59605 0.0194 0.3050 -0.09889 2022 1 27 59606 0.0185 0.3066 -0.09910 2022 1 28 59607 0.0175 0.3083 -0.09908 2022 1 29 59608 0.0166 0.3099 -0.09883 2022 1 30 59609 0.0157 0.3116 -0.09845 2022 1 31 59610 0.0148 0.3133 -0.09808 2022 2 1 59611 0.0140 0.3151 -0.09784 2022 2 2 59612 0.0132 0.3168 -0.09776 2022 2 3 59613 0.0124 0.3186 -0.09789 2022 2 4 59614 0.0117 0.3203 -0.09818 2022 2 5 59615 0.0110 0.3221 -0.09851 2022 2 6 59616 0.0103 0.3239 -0.09892 2022 2 7 59617 0.0096 0.3257 -0.09922 2022 2 8 59618 0.0090 0.3275 -0.09936 2022 2 9 59619 0.0084 0.3293 -0.09928 2022 2 10 59620 0.0079 0.3311 -0.09894 2022 2 11 59621 0.0074 0.3330 -0.09843 2022 2 12 59622 0.0069 0.3348 -0.09784 2022 2 13 59623 0.0064 0.3367 -0.09721 2022 2 14 59624 0.0060 0.3385 -0.09667 2022 2 15 59625 0.0056 0.3404 -0.09623 2022 2 16 59626 0.0052 0.3423 -0.09595 2022 2 17 59627 0.0049 0.3442 -0.09590 2022 2 18 59628 0.0046 0.3461 -0.09608 2022 2 19 59629 0.0044 0.3480 -0.09649 2022 2 20 59630 0.0041 0.3499 -0.09704 2022 2 21 59631 0.0039 0.3518 -0.09766 2022 2 22 59632 0.0038 0.3537 -0.09826 2022 2 23 59633 0.0037 0.3556 -0.09865 2022 2 24 59634 0.0036 0.3575 -0.09875 2022 2 25 59635 0.0035 0.3595 -0.09865 2022 2 26 59636 0.0035 0.3614 -0.09846 2022 2 27 59637 0.0035 0.3633 -0.09829 2022 2 28 59638 0.0035 0.3652 -0.09824 2022 3 1 59639 0.0036 0.3672 -0.09836 2022 3 2 59640 0.0037 0.3691 -0.09869 2022 3 3 59641 0.0039 0.3710 -0.09920 2022 3 4 59642 0.0041 0.3729 -0.09980 2022 3 5 59643 0.0043 0.3749 -0.10042 2022 3 6 59644 0.0045 0.3768 -0.10103 2022 3 7 59645 0.0048 0.3787 -0.10156 2022 3 8 59646 0.0051 0.3806 -0.10192 2022 3 9 59647 0.0055 0.3825 -0.10213 2022 3 10 59648 0.0059 0.3844 -0.10224 2022 3 11 59649 0.0063 0.3864 -0.10225 2022 3 12 59650 0.0067 0.3883 -0.10219 2022 3 13 59651 0.0072 0.3901 -0.10202 2022 3 14 59652 0.0077 0.3920 -0.10186 2022 3 15 59653 0.0083 0.3939 -0.10180 2022 3 16 59654 0.0089 0.3958 -0.10191 2022 3 17 59655 0.0095 0.3976 -0.10228 2022 3 18 59656 0.0101 0.3995 -0.10279 2022 3 19 59657 0.0108 0.4013 -0.10342 2022 3 20 59658 0.0115 0.4032 -0.10406 2022 3 21 59659 0.0123 0.4050 -0.10467 2022 3 22 59660 0.0130 0.4068 -0.10508 2022 3 23 59661 0.0138 0.4086 -0.10524 2022 3 24 59662 0.0147 0.4104 -0.10520 2022 3 25 59663 0.0156 0.4122 -0.10496 2022 3 26 59664 0.0165 0.4140 -0.10460 2022 3 27 59665 0.0174 0.4157 -0.10434 2022 3 28 59666 0.0184 0.4175 -0.10424 2022 3 29 59667 0.0194 0.4192 -0.10436 2022 3 30 59668 0.0204 0.4209 -0.10468 2022 3 31 59669 0.0214 0.4226 -0.10512 2022 4 1 59670 0.0225 0.4243 -0.10557 2022 4 2 59671 0.0236 0.4260 -0.10594 2022 4 3 59672 0.0248 0.4277 -0.10624 2022 4 4 59673 0.0259 0.4293 -0.10638 2022 4 5 59674 0.0271 0.4309 -0.10636 2022 4 6 59675 0.0284 0.4325 -0.10615 2022 4 7 59676 0.0296 0.4341 -0.10592 2022 4 8 59677 0.0309 0.4357 -0.10573 2022 4 9 59678 0.0322 0.4372 -0.10548 2022 4 10 59679 0.0336 0.4387 -0.10527 2022 4 11 59680 0.0349 0.4403 -0.10512 2022 4 12 59681 0.0363 0.4417 -0.10512 2022 4 13 59682 0.0377 0.4432 -0.10530 2022 4 14 59683 0.0392 0.4447 -0.10571 2022 4 15 59684 0.0407 0.4461 -0.10633 2022 4 16 59685 0.0421 0.4475 -0.10705 2022 4 17 59686 0.0437 0.4489 -0.10783 2022 4 18 59687 0.0452 0.4502 -0.10849 2022 4 19 59688 0.0468 0.4516 -0.10895 2022 4 20 59689 0.0484 0.4529 -0.10911 2022 4 21 59690 0.0500 0.4542 -0.10900 2022 4 22 59691 0.0516 0.4555 -0.10875 2022 4 23 59692 0.0532 0.4567 -0.10848 2022 4 24 59693 0.0549 0.4579 -0.10822 2022 4 25 59694 0.0566 0.4591 -0.10812 2022 4 26 59695 0.0583 0.4603 -0.10820 2022 4 27 59696 0.0601 0.4614 -0.10843 2022 4 28 59697 0.0618 0.4625 -0.10868 2022 4 29 59698 0.0636 0.4636 -0.10894 2022 4 30 59699 0.0654 0.4647 -0.10909 2022 5 1 59700 0.0672 0.4657 -0.10903 2022 5 2 59701 0.0690 0.4667 -0.10875 2022 5 3 59702 0.0709 0.4677 -0.10828 2022 5 4 59703 0.0727 0.4687 -0.10758 2022 5 5 59704 0.0746 0.4696 -0.10674 2022 5 6 59705 0.0765 0.4705 -0.10591 2022 5 7 59706 0.0784 0.4713 -0.10516 2022 5 8 59707 0.0803 0.4722 -0.10452 2022 5 9 59708 0.0823 0.4730 -0.10410 2022 5 10 59709 0.0842 0.4738 -0.10391 2022 5 11 59710 0.0862 0.4745 -0.10393 2022 5 12 59711 0.0882 0.4753 -0.10416 2022 5 13 59712 0.0902 0.4759 -0.10453 2022 5 14 59713 0.0922 0.4766 -0.10491 2022 5 15 59714 0.0942 0.4772 -0.10516 2022 5 16 59715 0.0962 0.4778 -0.10529 2022 5 17 59716 0.0982 0.4784 -0.10518 2022 5 18 59717 0.1003 0.4790 -0.10479 2022 5 19 59718 0.1023 0.4795 -0.10426 2022 5 20 59719 0.1044 0.4799 -0.10379 2022 5 21 59720 0.1064 0.4804 -0.10345 2022 5 22 59721 0.1085 0.4808 -0.10326 2022 5 23 59722 0.1106 0.4812 -0.10332 2022 5 24 59723 0.1127 0.4815 -0.10357 2022 5 25 59724 0.1148 0.4819 -0.10396 2022 5 26 59725 0.1169 0.4821 -0.10440 2022 5 27 59726 0.1190 0.4824 -0.10473 2022 5 28 59727 0.1211 0.4826 -0.10490 2022 5 29 59728 0.1232 0.4828 -0.10486 2022 5 30 59729 0.1253 0.4830 -0.10457 2022 5 31 59730 0.1274 0.4831 -0.10411 2022 6 1 59731 0.1295 0.4832 -0.10345 2022 6 2 59732 0.1316 0.4833 -0.10262 2022 6 3 59733 0.1337 0.4833 -0.10172 2022 6 4 59734 0.1358 0.4833 -0.10078 2022 6 5 59735 0.1379 0.4833 -0.09986 2022 6 6 59736 0.1400 0.4832 -0.09905 2022 6 7 59737 0.1421 0.4831 -0.09836 2022 6 8 59738 0.1442 0.4830 -0.09787 2022 6 9 59739 0.1463 0.4828 -0.09758 2022 6 10 59740 0.1484 0.4826 -0.09741 2022 6 11 59741 0.1505 0.4824 -0.09723 2022 6 12 59742 0.1526 0.4821 -0.09694 2022 6 13 59743 0.1547 0.4818 -0.09643 2022 6 14 59744 0.1568 0.4815 -0.09561 2022 6 15 59745 0.1588 0.4811 -0.09452 2022 6 16 59746 0.1609 0.4808 -0.09337 2022 6 17 59747 0.1629 0.4803 -0.09225 2022 6 18 59748 0.1650 0.4799 -0.09123 2022 6 19 59749 0.1670 0.4794 -0.09037 2022 6 20 59750 0.1690 0.4789 -0.08963 2022 6 21 59751 0.1711 0.4783 -0.08900 2022 6 22 59752 0.1731 0.4778 -0.08836 2022 6 23 59753 0.1750 0.4772 -0.08769 2022 6 24 59754 0.1770 0.4765 -0.08695 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) 59367 -107.21 0.58 -10.25 0.16 59368 -107.38 0.58 -9.94 0.16 59369 -107.39 0.58 -9.70 0.16 59370 -107.46 0.32 -9.55 0.16 59371 -107.78 0.61 -9.39 0.13 59372 -108.24 0.61 -9.30 0.13 59373 -108.60 0.52 -9.41 0.14 59374 -108.73 0.52 -9.73 0.14 59375 -108.71 0.52 -10.09 0.14 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 59367 0.238 0.229 -0.140 0.165 59368 0.244 0.229 -0.141 0.165 59369 0.246 0.229 -0.141 0.165 59370 0.245 0.128 -0.141 0.160 59371 0.241 0.242 -0.141 0.128 59372 0.234 0.242 -0.140 0.128 59373 0.225 0.208 -0.139 0.137 59374 0.213 0.208 -0.139 0.137 59375 0.200 0.208 -0.139 0.137 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).