********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 22 July 2021 Vol. XXXIV No. 029 ______________________________________________________________________ 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 * * * * 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 7 16 59411 0.23395 .00009 0.40315 .00009 -0.151979 0.000017 21 7 17 59412 0.23551 .00009 0.40230 .00009 -0.151741 0.000017 21 7 18 59413 0.23696 .00009 0.40146 .00009 -0.151533 0.000016 21 7 19 59414 0.23841 .00009 0.40030 .00009 -0.151199 0.000013 21 7 20 59415 0.23992 .00009 0.39895 .00009 -0.150703 0.000013 21 7 21 59416 0.24134 .00009 0.39763 .00009 -0.150085 0.000013 21 7 22 59417 0.24256 .00009 0.39639 .00009 -0.149329 0.000012 _______________________________________________________________________ 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 = 0.1431 + 0.0958 cos A + 0.0741 sin A + 0.0030 cos C - 0.0426 sin C y = 0.3624 + 0.0757 cos A - 0.0821 sin A - 0.0426 cos C - 0.0030 sin C UT1-UTC = -0.1609 + 0.00025 (MJD - 59425) - (UT2-UT1) where A = 2*pi*(MJD-59417)/365.25 and C = 2*pi*(MJD-59417)/435. TAI-UTC(MJD 59418) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-59417)**0.80 S t = 0.00025 (MJD-59417)**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 7 23 59418 0.2436 0.3951 -0.14844 2021 7 24 59419 0.2445 0.3938 -0.14754 2021 7 25 59420 0.2452 0.3925 -0.14674 2021 7 26 59421 0.2459 0.3911 -0.14608 2021 7 27 59422 0.2465 0.3897 -0.14555 2021 7 28 59423 0.2472 0.3881 -0.14511 2021 7 29 59424 0.2478 0.3866 -0.14468 2021 7 30 59425 0.2484 0.3851 -0.14424 2021 7 31 59426 0.2489 0.3836 -0.14372 2021 8 1 59427 0.2494 0.3821 -0.14311 2021 8 2 59428 0.2498 0.3805 -0.14239 2021 8 3 59429 0.2502 0.3789 -0.14157 2021 8 4 59430 0.2506 0.3772 -0.14066 2021 8 5 59431 0.2509 0.3756 -0.13963 2021 8 6 59432 0.2512 0.3739 -0.13854 2021 8 7 59433 0.2514 0.3722 -0.13744 2021 8 8 59434 0.2517 0.3706 -0.13641 2021 8 9 59435 0.2519 0.3689 -0.13554 2021 8 10 59436 0.2520 0.3673 -0.13488 2021 8 11 59437 0.2522 0.3656 -0.13443 2021 8 12 59438 0.2523 0.3639 -0.13414 2021 8 13 59439 0.2524 0.3621 -0.13395 2021 8 14 59440 0.2526 0.3604 -0.13373 2021 8 15 59441 0.2527 0.3587 -0.13339 2021 8 16 59442 0.2527 0.3570 -0.13284 2021 8 17 59443 0.2527 0.3553 -0.13207 2021 8 18 59444 0.2527 0.3536 -0.13113 2021 8 19 59445 0.2527 0.3518 -0.13008 2021 8 20 59446 0.2527 0.3501 -0.12906 2021 8 21 59447 0.2526 0.3484 -0.12815 2021 8 22 59448 0.2525 0.3466 -0.12743 2021 8 23 59449 0.2524 0.3449 -0.12692 2021 8 24 59450 0.2522 0.3432 -0.12659 2021 8 25 59451 0.2520 0.3414 -0.12637 2021 8 26 59452 0.2518 0.3397 -0.12618 2021 8 27 59453 0.2516 0.3380 -0.12595 2021 8 28 59454 0.2513 0.3362 -0.12562 2021 8 29 59455 0.2510 0.3345 -0.12517 2021 8 30 59456 0.2506 0.3328 -0.12457 2021 8 31 59457 0.2503 0.3310 -0.12385 2021 9 1 59458 0.2499 0.3293 -0.12303 2021 9 2 59459 0.2494 0.3276 -0.12218 2021 9 3 59460 0.2490 0.3259 -0.12136 2021 9 4 59461 0.2485 0.3242 -0.12064 2021 9 5 59462 0.2480 0.3225 -0.12010 2021 9 6 59463 0.2474 0.3208 -0.11982 2021 9 7 59464 0.2468 0.3191 -0.11981 2021 9 8 59465 0.2462 0.3175 -0.12003 2021 9 9 59466 0.2455 0.3158 -0.12042 2021 9 10 59467 0.2448 0.3141 -0.12083 2021 9 11 59468 0.2441 0.3125 -0.12114 2021 9 12 59469 0.2434 0.3108 -0.12125 2021 9 13 59470 0.2426 0.3092 -0.12112 2021 9 14 59471 0.2418 0.3076 -0.12077 2021 9 15 59472 0.2410 0.3059 -0.12030 2021 9 16 59473 0.2401 0.3043 -0.11980 2021 9 17 59474 0.2392 0.3027 -0.11937 2021 9 18 59475 0.2383 0.3012 -0.11910 2021 9 19 59476 0.2373 0.2996 -0.11903 2021 9 20 59477 0.2363 0.2980 -0.11914 2021 9 21 59478 0.2353 0.2965 -0.11938 2021 9 22 59479 0.2343 0.2950 -0.11968 2021 9 23 59480 0.2332 0.2934 -0.11995 2021 9 24 59481 0.2321 0.2919 -0.12013 2021 9 25 59482 0.2310 0.2904 -0.12016 2021 9 26 59483 0.2298 0.2890 -0.12004 2021 9 27 59484 0.2287 0.2875 -0.11977 2021 9 28 59485 0.2274 0.2861 -0.11936 2021 9 29 59486 0.2262 0.2846 -0.11887 2021 9 30 59487 0.2250 0.2832 -0.11835 2021 10 1 59488 0.2237 0.2818 -0.11789 2021 10 2 59489 0.2224 0.2804 -0.11757 2021 10 3 59490 0.2210 0.2791 -0.11744 2021 10 4 59491 0.2197 0.2777 -0.11758 2021 10 5 59492 0.2183 0.2764 -0.11797 2021 10 6 59493 0.2169 0.2751 -0.11857 2021 10 7 59494 0.2154 0.2738 -0.11927 2021 10 8 59495 0.2140 0.2726 -0.11991 2021 10 9 59496 0.2125 0.2713 -0.12037 2021 10 10 59497 0.2110 0.2701 -0.12058 2021 10 11 59498 0.2095 0.2689 -0.12052 2021 10 12 59499 0.2079 0.2677 -0.12029 2021 10 13 59500 0.2064 0.2666 -0.11997 2021 10 14 59501 0.2048 0.2654 -0.11970 2021 10 15 59502 0.2032 0.2643 -0.11954 2021 10 16 59503 0.2015 0.2632 -0.11956 2021 10 17 59504 0.1999 0.2621 -0.11974 2021 10 18 59505 0.1982 0.2611 -0.12005 2021 10 19 59506 0.1965 0.2601 -0.12044 2021 10 20 59507 0.1948 0.2591 -0.12083 2021 10 21 59508 0.1931 0.2581 -0.12115 2021 10 22 59509 0.1914 0.2571 -0.12135 2021 10 23 59510 0.1896 0.2562 -0.12139 2021 10 24 59511 0.1878 0.2553 -0.12128 2021 10 25 59512 0.1860 0.2544 -0.12101 2021 10 26 59513 0.1842 0.2536 -0.12065 2021 10 27 59514 0.1824 0.2528 -0.12024 2021 10 28 59515 0.1805 0.2520 -0.11986 2021 10 29 59516 0.1787 0.2512 -0.11958 2021 10 30 59517 0.1768 0.2505 -0.11946 2021 10 31 59518 0.1749 0.2497 -0.11958 2021 11 1 59519 0.1730 0.2491 -0.11994 2021 11 2 59520 0.1711 0.2484 -0.12055 2021 11 3 59521 0.1692 0.2478 -0.12132 2021 11 4 59522 0.1673 0.2472 -0.12211 2021 11 5 59523 0.1653 0.2466 -0.12278 2021 11 6 59524 0.1634 0.2460 -0.12321 2021 11 7 59525 0.1614 0.2455 -0.12336 2021 11 8 59526 0.1594 0.2450 -0.12335 2021 11 9 59527 0.1574 0.2446 -0.12320 2021 11 10 59528 0.1554 0.2441 -0.12304 2021 11 11 59529 0.1534 0.2437 -0.12297 2021 11 12 59530 0.1514 0.2433 -0.12306 2021 11 13 59531 0.1494 0.2430 -0.12330 2021 11 14 59532 0.1474 0.2427 -0.12367 2021 11 15 59533 0.1453 0.2424 -0.12410 2021 11 16 59534 0.1433 0.2421 -0.12454 2021 11 17 59535 0.1413 0.2419 -0.12490 2021 11 18 59536 0.1392 0.2417 -0.12514 2021 11 19 59537 0.1372 0.2415 -0.12522 2021 11 20 59538 0.1351 0.2414 -0.12512 2021 11 21 59539 0.1331 0.2413 -0.12485 2021 11 22 59540 0.1310 0.2412 -0.12445 2021 11 23 59541 0.1290 0.2412 -0.12397 2021 11 24 59542 0.1269 0.2412 -0.12348 2021 11 25 59543 0.1248 0.2412 -0.12306 2021 11 26 59544 0.1228 0.2412 -0.12276 2021 11 27 59545 0.1207 0.2413 -0.12265 2021 11 28 59546 0.1187 0.2414 -0.12277 2021 11 29 59547 0.1166 0.2415 -0.12312 2021 11 30 59548 0.1146 0.2417 -0.12366 2021 12 1 59549 0.1125 0.2419 -0.12428 2021 12 2 59550 0.1105 0.2421 -0.12487 2021 12 3 59551 0.1084 0.2424 -0.12528 2021 12 4 59552 0.1064 0.2427 -0.12544 2021 12 5 59553 0.1043 0.2430 -0.12533 2021 12 6 59554 0.1023 0.2434 -0.12503 2021 12 7 59555 0.1003 0.2438 -0.12467 2021 12 8 59556 0.0983 0.2442 -0.12439 2021 12 9 59557 0.0963 0.2446 -0.12425 2021 12 10 59558 0.0943 0.2451 -0.12427 2021 12 11 59559 0.0923 0.2456 -0.12444 2021 12 12 59560 0.0903 0.2461 -0.12468 2021 12 13 59561 0.0883 0.2467 -0.12492 2021 12 14 59562 0.0864 0.2473 -0.12509 2021 12 15 59563 0.0844 0.2479 -0.12515 2021 12 16 59564 0.0825 0.2485 -0.12506 2021 12 17 59565 0.0805 0.2492 -0.12479 2021 12 18 59566 0.0786 0.2499 -0.12435 2021 12 19 59567 0.0767 0.2507 -0.12377 2021 12 20 59568 0.0748 0.2514 -0.12310 2021 12 21 59569 0.0730 0.2522 -0.12240 2021 12 22 59570 0.0711 0.2531 -0.12174 2021 12 23 59571 0.0692 0.2539 -0.12119 2021 12 24 59572 0.0674 0.2548 -0.12082 2021 12 25 59573 0.0656 0.2557 -0.12064 2021 12 26 59574 0.0638 0.2567 -0.12067 2021 12 27 59575 0.0620 0.2576 -0.12089 2021 12 28 59576 0.0602 0.2586 -0.12122 2021 12 29 59577 0.0585 0.2596 -0.12157 2021 12 30 59578 0.0568 0.2607 -0.12181 2021 12 31 59579 0.0550 0.2618 -0.12184 2022 1 1 59580 0.0533 0.2629 -0.12163 2022 1 2 59581 0.0517 0.2640 -0.12121 2022 1 3 59582 0.0500 0.2651 -0.12069 2022 1 4 59583 0.0484 0.2663 -0.12021 2022 1 5 59584 0.0468 0.2675 -0.11987 2022 1 6 59585 0.0452 0.2687 -0.11973 2022 1 7 59586 0.0436 0.2700 -0.11976 2022 1 8 59587 0.0421 0.2713 -0.11990 2022 1 9 59588 0.0405 0.2726 -0.12005 2022 1 10 59589 0.0390 0.2739 -0.12016 2022 1 11 59590 0.0376 0.2752 -0.12014 2022 1 12 59591 0.0361 0.2766 -0.11997 2022 1 13 59592 0.0347 0.2780 -0.11963 2022 1 14 59593 0.0333 0.2794 -0.11911 2022 1 15 59594 0.0319 0.2808 -0.11846 2022 1 16 59595 0.0306 0.2823 -0.11770 2022 1 17 59596 0.0292 0.2838 -0.11690 2022 1 18 59597 0.0279 0.2853 -0.11613 2022 1 19 59598 0.0267 0.2868 -0.11546 2022 1 20 59599 0.0254 0.2883 -0.11494 2022 1 21 59600 0.0242 0.2899 -0.11463 2022 1 22 59601 0.0230 0.2915 -0.11451 2022 1 23 59602 0.0218 0.2930 -0.11455 2022 1 24 59603 0.0207 0.2947 -0.11470 2022 1 25 59604 0.0196 0.2963 -0.11487 2022 1 26 59605 0.0185 0.2979 -0.11494 2022 1 27 59606 0.0175 0.2996 -0.11484 2022 1 28 59607 0.0165 0.3013 -0.11452 2022 1 29 59608 0.0155 0.3030 -0.11401 2022 1 30 59609 0.0145 0.3047 -0.11340 2022 1 31 59610 0.0136 0.3064 -0.11284 2022 2 1 59611 0.0127 0.3082 -0.11244 2022 2 2 59612 0.0118 0.3099 -0.11229 2022 2 3 59613 0.0110 0.3117 -0.11241 2022 2 4 59614 0.0102 0.3135 -0.11271 2022 2 5 59615 0.0094 0.3153 -0.11311 2022 2 6 59616 0.0087 0.3171 -0.11348 2022 2 7 59617 0.0080 0.3189 -0.11372 2022 2 8 59618 0.0073 0.3208 -0.11377 2022 2 9 59619 0.0067 0.3226 -0.11361 2022 2 10 59620 0.0061 0.3245 -0.11324 2022 2 11 59621 0.0055 0.3263 -0.11270 2022 2 12 59622 0.0050 0.3282 -0.11203 2022 2 13 59623 0.0045 0.3301 -0.11132 2022 2 14 59624 0.0040 0.3320 -0.11064 2022 2 15 59625 0.0035 0.3339 -0.11007 2022 2 16 59626 0.0031 0.3358 -0.10969 2022 2 17 59627 0.0028 0.3377 -0.10952 2022 2 18 59628 0.0024 0.3397 -0.10959 2022 2 19 59629 0.0021 0.3416 -0.10985 2022 2 20 59630 0.0019 0.3435 -0.11024 2022 2 21 59631 0.0016 0.3455 -0.11068 2022 2 22 59632 0.0014 0.3474 -0.11104 2022 2 23 59633 0.0013 0.3494 -0.11125 2022 2 24 59634 0.0011 0.3513 -0.11127 2022 2 25 59635 0.0010 0.3533 -0.11111 2022 2 26 59636 0.0010 0.3552 -0.11082 2022 2 27 59637 0.0009 0.3572 -0.11054 2022 2 28 59638 0.0009 0.3591 -0.11038 2022 3 1 59639 0.0010 0.3611 -0.11041 2022 3 2 59640 0.0011 0.3631 -0.11066 2022 3 3 59641 0.0012 0.3650 -0.11112 2022 3 4 59642 0.0013 0.3670 -0.11173 2022 3 5 59643 0.0015 0.3690 -0.11240 2022 3 6 59644 0.0017 0.3709 -0.11302 2022 3 7 59645 0.0020 0.3729 -0.11357 2022 3 8 59646 0.0023 0.3748 -0.11390 2022 3 9 59647 0.0026 0.3768 -0.11399 2022 3 10 59648 0.0029 0.3787 -0.11388 2022 3 11 59649 0.0033 0.3807 -0.11361 2022 3 12 59650 0.0037 0.3826 -0.11327 2022 3 13 59651 0.0042 0.3845 -0.11287 2022 3 14 59652 0.0047 0.3865 -0.11258 2022 3 15 59653 0.0052 0.3884 -0.11246 2022 3 16 59654 0.0058 0.3903 -0.11256 2022 3 17 59655 0.0063 0.3922 -0.11287 2022 3 18 59656 0.0070 0.3941 -0.11344 2022 3 19 59657 0.0076 0.3960 -0.11426 2022 3 20 59658 0.0083 0.3978 -0.11516 2022 3 21 59659 0.0090 0.3997 -0.11607 2022 3 22 59660 0.0098 0.4016 -0.11683 2022 3 23 59661 0.0106 0.4034 -0.11739 2022 3 24 59662 0.0114 0.4053 -0.11771 2022 3 25 59663 0.0123 0.4071 -0.11780 2022 3 26 59664 0.0131 0.4089 -0.11779 2022 3 27 59665 0.0141 0.4107 -0.11781 2022 3 28 59666 0.0150 0.4125 -0.11799 2022 3 29 59667 0.0160 0.4143 -0.11839 2022 3 30 59668 0.0170 0.4160 -0.11895 2022 3 31 59669 0.0180 0.4178 -0.11965 2022 4 1 59670 0.0191 0.4195 -0.12043 2022 4 2 59671 0.0202 0.4212 -0.12113 2022 4 3 59672 0.0213 0.4229 -0.12183 2022 4 4 59673 0.0225 0.4246 -0.12233 2022 4 5 59674 0.0237 0.4263 -0.12261 2022 4 6 59675 0.0249 0.4279 -0.12265 2022 4 7 59676 0.0261 0.4296 -0.12246 2022 4 8 59677 0.0274 0.4312 -0.12212 2022 4 9 59678 0.0287 0.4328 -0.12177 2022 4 10 59679 0.0300 0.4343 -0.12146 2022 4 11 59680 0.0314 0.4359 -0.12133 2022 4 12 59681 0.0328 0.4374 -0.12135 2022 4 13 59682 0.0342 0.4390 -0.12160 2022 4 14 59683 0.0356 0.4404 -0.12210 2022 4 15 59684 0.0371 0.4419 -0.12280 2022 4 16 59685 0.0386 0.4434 -0.12364 2022 4 17 59686 0.0401 0.4448 -0.12448 2022 4 18 59687 0.0416 0.4462 -0.12521 2022 4 19 59688 0.0432 0.4476 -0.12576 2022 4 20 59689 0.0448 0.4490 -0.12598 2022 4 21 59690 0.0464 0.4503 -0.12590 2022 4 22 59691 0.0480 0.4516 -0.12569 2022 4 23 59692 0.0496 0.4529 -0.12552 2022 4 24 59693 0.0513 0.4542 -0.12552 2022 4 25 59694 0.0530 0.4554 -0.12571 2022 4 26 59695 0.0547 0.4566 -0.12607 2022 4 27 59696 0.0565 0.4578 -0.12657 2022 4 28 59697 0.0582 0.4590 -0.12712 2022 4 29 59698 0.0600 0.4601 -0.12761 2022 4 30 59699 0.0618 0.4613 -0.12799 2022 5 1 59700 0.0636 0.4624 -0.12827 2022 5 2 59701 0.0654 0.4634 -0.12840 2022 5 3 59702 0.0673 0.4644 -0.12833 2022 5 4 59703 0.0691 0.4655 -0.12811 2022 5 5 59704 0.0710 0.4664 -0.12781 2022 5 6 59705 0.0729 0.4674 -0.12748 2022 5 7 59706 0.0748 0.4683 -0.12713 2022 5 8 59707 0.0768 0.4692 -0.12676 2022 5 9 59708 0.0787 0.4701 -0.12644 2022 5 10 59709 0.0806 0.4709 -0.12626 2022 5 11 59710 0.0826 0.4717 -0.12627 2022 5 12 59711 0.0846 0.4725 -0.12649 2022 5 13 59712 0.0866 0.4732 -0.12679 2022 5 14 59713 0.0886 0.4739 -0.12709 2022 5 15 59714 0.0906 0.4746 -0.12726 2022 5 16 59715 0.0926 0.4753 -0.12724 2022 5 17 59716 0.0947 0.4759 -0.12691 2022 5 18 59717 0.0967 0.4765 -0.12629 2022 5 19 59718 0.0988 0.4771 -0.12552 2022 5 20 59719 0.1008 0.4776 -0.12468 2022 5 21 59720 0.1029 0.4781 -0.12386 2022 5 22 59721 0.1050 0.4786 -0.12325 2022 5 23 59722 0.1071 0.4790 -0.12284 2022 5 24 59723 0.1092 0.4794 -0.12259 2022 5 25 59724 0.1112 0.4798 -0.12241 2022 5 26 59725 0.1133 0.4801 -0.12217 2022 5 27 59726 0.1155 0.4804 -0.12179 2022 5 28 59727 0.1176 0.4807 -0.12120 2022 5 29 59728 0.1197 0.4810 -0.12047 2022 5 30 59729 0.1218 0.4812 -0.11953 2022 5 31 59730 0.1239 0.4814 -0.11844 2022 6 1 59731 0.1260 0.4815 -0.11720 2022 6 2 59732 0.1281 0.4816 -0.11600 2022 6 3 59733 0.1303 0.4817 -0.11492 2022 6 4 59734 0.1324 0.4818 -0.11387 2022 6 5 59735 0.1345 0.4818 -0.11292 2022 6 6 59736 0.1366 0.4818 -0.11209 2022 6 7 59737 0.1387 0.4818 -0.11143 2022 6 8 59738 0.1408 0.4817 -0.11092 2022 6 9 59739 0.1429 0.4816 -0.11057 2022 6 10 59740 0.1450 0.4814 -0.11032 2022 6 11 59741 0.1471 0.4813 -0.11005 2022 6 12 59742 0.1492 0.4811 -0.10971 2022 6 13 59743 0.1513 0.4808 -0.10915 2022 6 14 59744 0.1534 0.4806 -0.10836 2022 6 15 59745 0.1555 0.4803 -0.10732 2022 6 16 59746 0.1576 0.4799 -0.10613 2022 6 17 59747 0.1596 0.4796 -0.10499 2022 6 18 59748 0.1617 0.4792 -0.10398 2022 6 19 59749 0.1637 0.4788 -0.10307 2022 6 20 59750 0.1658 0.4783 -0.10233 2022 6 21 59751 0.1678 0.4778 -0.10167 2022 6 22 59752 0.1698 0.4773 -0.10101 2022 6 23 59753 0.1718 0.4768 -0.10021 2022 6 24 59754 0.1738 0.4762 -0.09928 2022 6 25 59755 0.1758 0.4756 -0.09814 2022 6 26 59756 0.1777 0.4749 -0.09676 2022 6 27 59757 0.1797 0.4743 -0.09517 2022 6 28 59758 0.1816 0.4736 -0.09345 2022 6 29 59759 0.1835 0.4728 -0.09156 2022 6 30 59760 0.1855 0.4721 -0.08965 2022 7 1 59761 0.1873 0.4713 -0.08785 2022 7 2 59762 0.1892 0.4705 -0.08624 2022 7 3 59763 0.1911 0.4696 -0.08483 2022 7 4 59764 0.1929 0.4688 -0.08368 2022 7 5 59765 0.1948 0.4679 -0.08278 2022 7 6 59766 0.1966 0.4669 -0.08203 2022 7 7 59767 0.1983 0.4660 -0.08140 2022 7 8 59768 0.2001 0.4650 -0.08079 2022 7 9 59769 0.2019 0.4640 -0.08006 2022 7 10 59770 0.2036 0.4629 -0.07911 2022 7 11 59771 0.2053 0.4618 -0.07801 2022 7 12 59772 0.2070 0.4608 -0.07673 2022 7 13 59773 0.2087 0.4596 -0.07530 2022 7 14 59774 0.2103 0.4585 -0.07392 2022 7 15 59775 0.2119 0.4573 -0.07280 2022 7 16 59776 0.2135 0.4561 -0.07196 2022 7 17 59777 0.2151 0.4549 -0.07135 2022 7 18 59778 0.2167 0.4536 -0.07096 2022 7 19 59779 0.2182 0.4524 -0.07067 2022 7 20 59780 0.2197 0.4511 -0.07038 2022 7 21 59781 0.2212 0.4498 -0.07001 2022 7 22 59782 0.2226 0.4484 -0.06943 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) 59395 -111.25 0.46 -10.02 0.16 59396 -111.68 0.46 -9.67 0.16 59397 -111.93 0.46 -9.45 0.16 59398 -112.08 0.57 -9.39 0.15 59399 -112.32 0.57 -9.37 0.15 59400 -112.67 0.67 -9.34 0.16 59401 -112.98 0.77 -9.38 0.16 59402 -113.13 0.77 -9.60 0.16 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 59395 0.211 0.184 -0.168 0.157 59396 0.221 0.184 -0.159 0.157 59397 0.231 0.184 -0.152 0.157 59398 0.243 0.228 -0.149 0.152 59399 0.256 0.228 -0.147 0.152 59400 0.269 0.267 -0.147 0.155 59401 0.283 0.305 -0.147 0.158 59402 0.298 0.305 -0.149 0.158 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).