********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 14 April 2022 Vol. XXXV No. 015 ______________________________________________________________________ GENERAL INFORMATION: 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 *********************************************************************** * ANNOUNCEMENTS: * * * * There will NOT be a leap second introduced * * in UTC at the end of June 2022 * * * * We are pleased to announce the re-opening of the official * * IERS Rapid Service / Prediction Center website at: * * https://maia.usno.navy.mil * * * * Starting Feb 10, 2022, this site will be the primary public source * * for data products published by the IERS Rapid Service / Prediction * * Center, as well as the primary source for announcements and * * information concerning those products. The latest IERS Bulletin A * * can be accessed at https://maia.usno.navy.mil/ser7/ser7.dat * * * * In addition to the overhauled website design, we have also made * * our services more robust and secure: * * * * - We have moved to distributing our products via HTTPS for * * increased data integrity and security of data transmission. * * Please note that unsecured plain HTTP is no longer supported. * * - The website and data are now hosted on an Amazon Web Services * * Cloud environment, improving server up-time and reliability. * * - We have consolidated our publication servers to a single * * instance, removing any confusion over the "best" server to use. * * The former backup site (toshi.nofs.navy.mil) has been retired * * and will not be returning. * * - A new version of the EO Matrix Calculator web application * * with an improved interface is now available at * * https://maia.usno.navy.mil/matrix-calculator * * * * During the outage, we hope you were able to continue receiving * * our products through NASA CDDIS, which graciously provided a * * mirror for our data while our main site was down. While this * * was not ideal for some customers, we thank you for your patience * * and understanding while we made several improvements to * * our website. All data products will continue to be uploaded to * * the CDDIS mirrors at https://cddis.nasa.gov/archive/products/iers/ * * and ftps://gdc.cddis.eosdis.nasa.gov/products/iers/ , so users * * should not expect any of their current links or data retrieval * * scripts to break. However, we encourage users to review * * their options and begin transitioning to https://maia.usno.navy.mil * * as their primary source if it meets their needs, as it will * * receive our publications more promptly and directly, without * * any need to login to the NASA Earthdata system. * * 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. * * * * 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 22 4 8 59677 0.04943 .00009 0.44183 .00009 -0.098498 0.000012 22 4 9 59678 0.05119 .00009 0.44358 .00009 -0.097932 0.000011 22 4 10 59679 0.05253 .00009 0.44530 .00009 -0.097388 0.000011 22 4 11 59680 0.05346 .00009 0.44708 .00009 -0.096913 0.000011 22 4 12 59681 0.05432 .00009 0.44903 .00009 -0.096565 0.000010 22 4 13 59682 0.05534 .00009 0.45102 .00009 -0.096413 0.000010 22 4 14 59683 0.05649 .00009 0.45294 .00009 -0.096557 0.000008 _______________________________________________________________________ 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 = 0.1379 - 0.0858 cos A + 0.0601 sin A + 0.0054 cos C + 0.0384 sin C y = 0.3610 + 0.0557 cos A + 0.0798 sin A + 0.0384 cos C - 0.0054 sin C UT1-UTC = -0.0534 + 0.00026 (MJD - 59691) - (UT2-UT1) where A = 2*pi*(MJD-59683)/365.25 and C = 2*pi*(MJD-59683)/435. TAI-UTC(MJD 59684) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-59683)**0.80 S t = 0.00025 (MJD-59683)**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) 2022 4 15 59684 0.0577 0.4546 -0.09693 2022 4 16 59685 0.0590 0.4563 -0.09746 2022 4 17 59686 0.0604 0.4578 -0.09801 2022 4 18 59687 0.0620 0.4592 -0.09847 2022 4 19 59688 0.0636 0.4605 -0.09872 2022 4 20 59689 0.0653 0.4617 -0.09873 2022 4 21 59690 0.0670 0.4628 -0.09849 2022 4 22 59691 0.0688 0.4639 -0.09810 2022 4 23 59692 0.0706 0.4650 -0.09772 2022 4 24 59693 0.0724 0.4659 -0.09746 2022 4 25 59694 0.0742 0.4668 -0.09735 2022 4 26 59695 0.0760 0.4677 -0.09739 2022 4 27 59696 0.0778 0.4686 -0.09755 2022 4 28 59697 0.0795 0.4694 -0.09775 2022 4 29 59698 0.0813 0.4702 -0.09795 2022 4 30 59699 0.0831 0.4710 -0.09805 2022 5 1 59700 0.0849 0.4717 -0.09797 2022 5 2 59701 0.0868 0.4724 -0.09767 2022 5 3 59702 0.0887 0.4731 -0.09714 2022 5 4 59703 0.0906 0.4737 -0.09641 2022 5 5 59704 0.0925 0.4743 -0.09552 2022 5 6 59705 0.0945 0.4749 -0.09456 2022 5 7 59706 0.0964 0.4754 -0.09360 2022 5 8 59707 0.0984 0.4759 -0.09270 2022 5 9 59708 0.1004 0.4764 -0.09194 2022 5 10 59709 0.1023 0.4769 -0.09134 2022 5 11 59710 0.1043 0.4774 -0.09095 2022 5 12 59711 0.1063 0.4778 -0.09077 2022 5 13 59712 0.1083 0.4782 -0.09074 2022 5 14 59713 0.1103 0.4786 -0.09078 2022 5 15 59714 0.1123 0.4789 -0.09074 2022 5 16 59715 0.1143 0.4792 -0.09051 2022 5 17 59716 0.1164 0.4795 -0.09002 2022 5 18 59717 0.1184 0.4798 -0.08927 2022 5 19 59718 0.1205 0.4800 -0.08836 2022 5 20 59719 0.1225 0.4802 -0.08740 2022 5 21 59720 0.1246 0.4804 -0.08653 2022 5 22 59721 0.1267 0.4806 -0.08583 2022 5 23 59722 0.1288 0.4807 -0.08531 2022 5 24 59723 0.1308 0.4808 -0.08496 2022 5 25 59724 0.1329 0.4808 -0.08468 2022 5 26 59725 0.1350 0.4809 -0.08441 2022 5 27 59726 0.1371 0.4809 -0.08405 2022 5 28 59727 0.1391 0.4808 -0.08354 2022 5 29 59728 0.1412 0.4808 -0.08284 2022 5 30 59729 0.1433 0.4807 -0.08192 2022 5 31 59730 0.1454 0.4806 -0.08082 2022 6 1 59731 0.1475 0.4804 -0.07956 2022 6 2 59732 0.1496 0.4802 -0.07821 2022 6 3 59733 0.1516 0.4800 -0.07683 2022 6 4 59734 0.1537 0.4798 -0.07552 2022 6 5 59735 0.1558 0.4795 -0.07432 2022 6 6 59736 0.1579 0.4792 -0.07328 2022 6 7 59737 0.1599 0.4788 -0.07245 2022 6 8 59738 0.1620 0.4785 -0.07182 2022 6 9 59739 0.1640 0.4781 -0.07137 2022 6 10 59740 0.1661 0.4776 -0.07104 2022 6 11 59741 0.1681 0.4772 -0.07071 2022 6 12 59742 0.1702 0.4767 -0.07026 2022 6 13 59743 0.1722 0.4762 -0.06959 2022 6 14 59744 0.1742 0.4756 -0.06867 2022 6 15 59745 0.1762 0.4750 -0.06755 2022 6 16 59746 0.1782 0.4744 -0.06635 2022 6 17 59747 0.1802 0.4738 -0.06520 2022 6 18 59748 0.1822 0.4731 -0.06421 2022 6 19 59749 0.1841 0.4724 -0.06344 2022 6 20 59750 0.1861 0.4717 -0.06286 2022 6 21 59751 0.1880 0.4709 -0.06239 2022 6 22 59752 0.1900 0.4702 -0.06194 2022 6 23 59753 0.1919 0.4693 -0.06141 2022 6 24 59754 0.1938 0.4685 -0.06074 2022 6 25 59755 0.1957 0.4676 -0.05989 2022 6 26 59756 0.1975 0.4667 -0.05885 2022 6 27 59757 0.1994 0.4658 -0.05761 2022 6 28 59758 0.2012 0.4648 -0.05622 2022 6 29 59759 0.2031 0.4639 -0.05473 2022 6 30 59760 0.2049 0.4629 -0.05320 2022 7 1 59761 0.2067 0.4618 -0.05170 2022 7 2 59762 0.2084 0.4608 -0.05030 2022 7 3 59763 0.2102 0.4597 -0.04905 2022 7 4 59764 0.2119 0.4586 -0.04798 2022 7 5 59765 0.2136 0.4574 -0.04711 2022 7 6 59766 0.2153 0.4562 -0.04640 2022 7 7 59767 0.2170 0.4551 -0.04580 2022 7 8 59768 0.2187 0.4538 -0.04523 2022 7 9 59769 0.2203 0.4526 -0.04458 2022 7 10 59770 0.2219 0.4513 -0.04376 2022 7 11 59771 0.2235 0.4500 -0.04271 2022 7 12 59772 0.2251 0.4487 -0.04144 2022 7 13 59773 0.2266 0.4474 -0.04004 2022 7 14 59774 0.2282 0.4460 -0.03866 2022 7 15 59775 0.2297 0.4447 -0.03741 2022 7 16 59776 0.2311 0.4433 -0.03639 2022 7 17 59777 0.2326 0.4418 -0.03560 2022 7 18 59778 0.2340 0.4404 -0.03498 2022 7 19 59779 0.2354 0.4389 -0.03440 2022 7 20 59780 0.2368 0.4374 -0.03376 2022 7 21 59781 0.2381 0.4359 -0.03298 2022 7 22 59782 0.2394 0.4344 -0.03201 2022 7 23 59783 0.2407 0.4328 -0.03085 2022 7 24 59784 0.2420 0.4313 -0.02949 2022 7 25 59785 0.2432 0.4297 -0.02797 2022 7 26 59786 0.2445 0.4281 -0.02634 2022 7 27 59787 0.2456 0.4265 -0.02467 2022 7 28 59788 0.2468 0.4248 -0.02304 2022 7 29 59789 0.2479 0.4232 -0.02150 2022 7 30 59790 0.2490 0.4215 -0.02013 2022 7 31 59791 0.2501 0.4198 -0.01894 2022 8 1 59792 0.2511 0.4181 -0.01788 2022 8 2 59793 0.2521 0.4164 -0.01700 2022 8 3 59794 0.2531 0.4146 -0.01625 2022 8 4 59795 0.2540 0.4129 -0.01555 2022 8 5 59796 0.2550 0.4111 -0.01480 2022 8 6 59797 0.2558 0.4094 -0.01393 2022 8 7 59798 0.2567 0.4076 -0.01288 2022 8 8 59799 0.2575 0.4058 -0.01162 2022 8 9 59800 0.2583 0.4040 -0.01023 2022 8 10 59801 0.2591 0.4021 -0.00881 2022 8 11 59802 0.2598 0.4003 -0.00751 2022 8 12 59803 0.2605 0.3984 -0.00645 2022 8 13 59804 0.2611 0.3966 -0.00565 2022 8 14 59805 0.2617 0.3947 -0.00510 2022 8 15 59806 0.2623 0.3928 -0.00467 2022 8 16 59807 0.2629 0.3910 -0.00425 2022 8 17 59808 0.2634 0.3891 -0.00372 2022 8 18 59809 0.2639 0.3872 -0.00301 2022 8 19 59810 0.2644 0.3853 -0.00209 2022 8 20 59811 0.2648 0.3833 -0.00098 2022 8 21 59812 0.2652 0.3814 0.00029 2022 8 22 59813 0.2655 0.3795 0.00167 2022 8 23 59814 0.2659 0.3776 0.00310 2022 8 24 59815 0.2661 0.3756 0.00449 2022 8 25 59816 0.2664 0.3737 0.00579 2022 8 26 59817 0.2666 0.3718 0.00692 2022 8 27 59818 0.2668 0.3698 0.00784 2022 8 28 59819 0.2669 0.3679 0.00855 2022 8 29 59820 0.2671 0.3659 0.00905 2022 8 30 59821 0.2671 0.3640 0.00939 2022 8 31 59822 0.2672 0.3620 0.00967 2022 9 1 59823 0.2672 0.3601 0.00998 2022 9 2 59824 0.2672 0.3581 0.01040 2022 9 3 59825 0.2671 0.3562 0.01100 2022 9 4 59826 0.2670 0.3542 0.01178 2022 9 5 59827 0.2669 0.3523 0.01271 2022 9 6 59828 0.2667 0.3503 0.01370 2022 9 7 59829 0.2665 0.3484 0.01460 2022 9 8 59830 0.2663 0.3464 0.01531 2022 9 9 59831 0.2660 0.3445 0.01573 2022 9 10 59832 0.2657 0.3426 0.01588 2022 9 11 59833 0.2654 0.3407 0.01583 2022 9 12 59834 0.2650 0.3387 0.01569 2022 9 13 59835 0.2646 0.3368 0.01561 2022 9 14 59836 0.2642 0.3349 0.01568 2022 9 15 59837 0.2637 0.3330 0.01596 2022 9 16 59838 0.2632 0.3311 0.01645 2022 9 17 59839 0.2626 0.3292 0.01713 2022 9 18 59840 0.2621 0.3274 0.01794 2022 9 19 59841 0.2615 0.3255 0.01882 2022 9 20 59842 0.2608 0.3236 0.01969 2022 9 21 59843 0.2602 0.3218 0.02049 2022 9 22 59844 0.2594 0.3200 0.02113 2022 9 23 59845 0.2587 0.3181 0.02158 2022 9 24 59846 0.2579 0.3163 0.02179 2022 9 25 59847 0.2571 0.3145 0.02179 2022 9 26 59848 0.2563 0.3127 0.02161 2022 9 27 59849 0.2554 0.3110 0.02132 2022 9 28 59850 0.2545 0.3092 0.02104 2022 9 29 59851 0.2536 0.3074 0.02087 2022 9 30 59852 0.2526 0.3057 0.02088 2022 10 1 59853 0.2517 0.3040 0.02110 2022 10 2 59854 0.2506 0.3023 0.02150 2022 10 3 59855 0.2496 0.3006 0.02198 2022 10 4 59856 0.2485 0.2989 0.02242 2022 10 5 59857 0.2474 0.2973 0.02271 2022 10 6 59858 0.2462 0.2956 0.02275 2022 10 7 59859 0.2451 0.2940 0.02252 2022 10 8 59860 0.2439 0.2924 0.02205 2022 10 9 59861 0.2426 0.2908 0.02144 2022 10 10 59862 0.2414 0.2893 0.02082 2022 10 11 59863 0.2401 0.2877 0.02030 2022 10 12 59864 0.2388 0.2862 0.01996 2022 10 13 59865 0.2375 0.2847 0.01983 2022 10 14 59866 0.2361 0.2832 0.01991 2022 10 15 59867 0.2347 0.2817 0.02015 2022 10 16 59868 0.2333 0.2803 0.02048 2022 10 17 59869 0.2319 0.2789 0.02084 2022 10 18 59870 0.2304 0.2775 0.02114 2022 10 19 59871 0.2289 0.2761 0.02133 2022 10 20 59872 0.2274 0.2747 0.02134 2022 10 21 59873 0.2259 0.2734 0.02116 2022 10 22 59874 0.2243 0.2721 0.02078 2022 10 23 59875 0.2227 0.2708 0.02024 2022 10 24 59876 0.2211 0.2696 0.01960 2022 10 25 59877 0.2195 0.2683 0.01897 2022 10 26 59878 0.2178 0.2671 0.01844 2022 10 27 59879 0.2162 0.2659 0.01811 2022 10 28 59880 0.2145 0.2648 0.01804 2022 10 29 59881 0.2128 0.2637 0.01821 2022 10 30 59882 0.2110 0.2626 0.01853 2022 10 31 59883 0.2093 0.2615 0.01888 2022 11 1 59884 0.2075 0.2604 0.01914 2022 11 2 59885 0.2057 0.2594 0.01921 2022 11 3 59886 0.2039 0.2584 0.01906 2022 11 4 59887 0.2021 0.2574 0.01869 2022 11 5 59888 0.2002 0.2565 0.01819 2022 11 6 59889 0.1984 0.2556 0.01767 2022 11 7 59890 0.1965 0.2547 0.01724 2022 11 8 59891 0.1946 0.2538 0.01700 2022 11 9 59892 0.1927 0.2530 0.01699 2022 11 10 59893 0.1908 0.2522 0.01724 2022 11 11 59894 0.1889 0.2514 0.01769 2022 11 12 59895 0.1870 0.2507 0.01828 2022 11 13 59896 0.1850 0.2500 0.01892 2022 11 14 59897 0.1830 0.2493 0.01952 2022 11 15 59898 0.1811 0.2487 0.02003 2022 11 16 59899 0.1791 0.2480 0.02039 2022 11 17 59900 0.1771 0.2475 0.02057 2022 11 18 59901 0.1751 0.2469 0.02057 2022 11 19 59902 0.1731 0.2464 0.02041 2022 11 20 59903 0.1710 0.2459 0.02014 2022 11 21 59904 0.1690 0.2454 0.01985 2022 11 22 59905 0.1670 0.2450 0.01957 2022 11 23 59906 0.1649 0.2446 0.01943 2022 11 24 59907 0.1629 0.2442 0.01944 2022 11 25 59908 0.1608 0.2438 0.01975 2022 11 26 59909 0.1587 0.2435 0.02026 2022 11 27 59910 0.1567 0.2433 0.02083 2022 11 28 59911 0.1546 0.2430 0.02129 2022 11 29 59912 0.1525 0.2428 0.02159 2022 11 30 59913 0.1504 0.2426 0.02158 2022 12 1 59914 0.1484 0.2425 0.02139 2022 12 2 59915 0.1463 0.2423 0.02105 2022 12 3 59916 0.1442 0.2422 0.02073 2022 12 4 59917 0.1421 0.2422 0.02046 2022 12 5 59918 0.1400 0.2422 0.02034 2022 12 6 59919 0.1379 0.2422 0.02040 2022 12 7 59920 0.1358 0.2422 0.02066 2022 12 8 59921 0.1338 0.2423 0.02109 2022 12 9 59922 0.1317 0.2424 0.02158 2022 12 10 59923 0.1296 0.2425 0.02224 2022 12 11 59924 0.1275 0.2427 0.02291 2022 12 12 59925 0.1255 0.2429 0.02352 2022 12 13 59926 0.1234 0.2431 0.02407 2022 12 14 59927 0.1213 0.2434 0.02445 2022 12 15 59928 0.1193 0.2436 0.02477 2022 12 16 59929 0.1172 0.2440 0.02486 2022 12 17 59930 0.1152 0.2443 0.02481 2022 12 18 59931 0.1132 0.2447 0.02465 2022 12 19 59932 0.1112 0.2451 0.02450 2022 12 20 59933 0.1091 0.2456 0.02444 2022 12 21 59934 0.1071 0.2460 0.02453 2022 12 22 59935 0.1051 0.2465 0.02483 2022 12 23 59936 0.1031 0.2471 0.02537 2022 12 24 59937 0.1012 0.2476 0.02599 2022 12 25 59938 0.0992 0.2482 0.02653 2022 12 26 59939 0.0973 0.2489 0.02691 2022 12 27 59940 0.0953 0.2495 0.02699 2022 12 28 59941 0.0934 0.2502 0.02681 2022 12 29 59942 0.0915 0.2509 0.02646 2022 12 30 59943 0.0896 0.2517 0.02611 2022 12 31 59944 0.0877 0.2524 0.02575 2023 1 1 59945 0.0858 0.2532 0.02557 2023 1 2 59946 0.0840 0.2541 0.02556 2023 1 3 59947 0.0821 0.2549 0.02571 2023 1 4 59948 0.0803 0.2558 0.02599 2023 1 5 59949 0.0785 0.2567 0.02634 2023 1 6 59950 0.0767 0.2577 0.02670 2023 1 7 59951 0.0750 0.2586 0.02711 2023 1 8 59952 0.0732 0.2596 0.02747 2023 1 9 59953 0.0715 0.2606 0.02773 2023 1 10 59954 0.0698 0.2617 0.02784 2023 1 11 59955 0.0681 0.2628 0.02778 2023 1 12 59956 0.0664 0.2639 0.02759 2023 1 13 59957 0.0648 0.2650 0.02722 2023 1 14 59958 0.0631 0.2661 0.02676 2023 1 15 59959 0.0615 0.2673 0.02625 2023 1 16 59960 0.0599 0.2685 0.02580 2023 1 17 59961 0.0584 0.2697 0.02549 2023 1 18 59962 0.0568 0.2710 0.02525 2023 1 19 59963 0.0553 0.2722 0.02522 2023 1 20 59964 0.0538 0.2735 0.02534 2023 1 21 59965 0.0524 0.2748 0.02546 2023 1 22 59966 0.0509 0.2762 0.02540 2023 1 23 59967 0.0495 0.2775 0.02513 2023 1 24 59968 0.0481 0.2789 0.02465 2023 1 25 59969 0.0468 0.2803 0.02400 2023 1 26 59970 0.0454 0.2817 0.02323 2023 1 27 59971 0.0441 0.2832 0.02253 2023 1 28 59972 0.0428 0.2846 0.02203 2023 1 29 59973 0.0416 0.2861 0.02179 2023 1 30 59974 0.0404 0.2876 0.02184 2023 1 31 59975 0.0392 0.2891 0.02208 2023 2 1 59976 0.0380 0.2906 0.02248 2023 2 2 59977 0.0368 0.2922 0.02298 2023 2 3 59978 0.0357 0.2938 0.02359 2023 2 4 59979 0.0346 0.2953 0.02417 2023 2 5 59980 0.0336 0.2969 0.02468 2023 2 6 59981 0.0326 0.2986 0.02501 2023 2 7 59982 0.0316 0.3002 0.02529 2023 2 8 59983 0.0306 0.3018 0.02532 2023 2 9 59984 0.0297 0.3035 0.02518 2023 2 10 59985 0.0288 0.3052 0.02493 2023 2 11 59986 0.0279 0.3069 0.02464 2023 2 12 59987 0.0271 0.3086 0.02444 2023 2 13 59988 0.0263 0.3103 0.02430 2023 2 14 59989 0.0255 0.3120 0.02440 2023 2 15 59990 0.0247 0.3137 0.02472 2023 2 16 59991 0.0240 0.3155 0.02516 2023 2 17 59992 0.0233 0.3172 0.02556 2023 2 18 59993 0.0227 0.3190 0.02584 2023 2 19 59994 0.0221 0.3208 0.02581 2023 2 20 59995 0.0215 0.3226 0.02540 2023 2 21 59996 0.0210 0.3244 0.02471 2023 2 22 59997 0.0204 0.3262 0.02377 2023 2 23 59998 0.0200 0.3280 0.02277 2023 2 24 59999 0.0195 0.3298 0.02188 2023 2 25 60000 0.0191 0.3316 0.02119 2023 2 26 60001 0.0187 0.3334 0.02078 2023 2 27 60002 0.0184 0.3353 0.02053 2023 2 28 60003 0.0181 0.3371 0.02048 2023 3 1 60004 0.0178 0.3390 0.02060 2023 3 2 60005 0.0175 0.3408 0.02072 2023 3 3 60006 0.0173 0.3427 0.02088 2023 3 4 60007 0.0172 0.3445 0.02092 2023 3 5 60008 0.0170 0.3464 0.02082 2023 3 6 60009 0.0169 0.3482 0.02059 2023 3 7 60010 0.0168 0.3501 0.02012 2023 3 8 60011 0.0168 0.3519 0.01946 2023 3 9 60012 0.0168 0.3538 0.01866 2023 3 10 60013 0.0168 0.3557 0.01776 2023 3 11 60014 0.0169 0.3575 0.01687 2023 3 12 60015 0.0170 0.3594 0.01614 2023 3 13 60016 0.0171 0.3612 0.01559 2023 3 14 60017 0.0173 0.3631 0.01527 2023 3 15 60018 0.0175 0.3649 0.01513 2023 3 16 60019 0.0177 0.3668 0.01506 2023 3 17 60020 0.0180 0.3686 0.01490 2023 3 18 60021 0.0183 0.3705 0.01452 2023 3 19 60022 0.0186 0.3723 0.01386 2023 3 20 60023 0.0190 0.3741 0.01293 2023 3 21 60024 0.0194 0.3759 0.01175 2023 3 22 60025 0.0198 0.3778 0.01043 2023 3 23 60026 0.0203 0.3796 0.00913 2023 3 24 60027 0.0208 0.3814 0.00801 2023 3 25 60028 0.0213 0.3832 0.00701 2023 3 26 60029 0.0219 0.3849 0.00636 2023 3 27 60030 0.0225 0.3867 0.00591 2023 3 28 60031 0.0231 0.3885 0.00569 2023 3 29 60032 0.0238 0.3902 0.00555 2023 3 30 60033 0.0245 0.3920 0.00545 2023 3 31 60034 0.0252 0.3937 0.00536 2023 4 1 60035 0.0260 0.3954 0.00521 2023 4 2 60036 0.0268 0.3971 0.00499 2023 4 3 60037 0.0276 0.3988 0.00452 2023 4 4 60038 0.0284 0.4005 0.00398 2023 4 5 60039 0.0293 0.4022 0.00336 2023 4 6 60040 0.0302 0.4038 0.00268 2023 4 7 60041 0.0312 0.4055 0.00198 2023 4 8 60042 0.0322 0.4071 0.00144 2023 4 9 60043 0.0332 0.4087 0.00114 2023 4 10 60044 0.0342 0.4103 0.00108 2023 4 11 60045 0.0353 0.4119 0.00125 2023 4 12 60046 0.0363 0.4135 0.00150 2023 4 13 60047 0.0375 0.4150 0.00170 2023 4 14 60048 0.0386 0.4165 0.00175 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) 59668 -106.27 0.66 -8.42 0.10 59669 -106.36 0.66 -8.39 0.10 59670 -106.40 0.66 -8.32 0.10 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 59668 0.256 0.263 -0.092 0.097 59669 0.273 0.263 -0.098 0.097 59670 0.290 0.263 -0.105 0.097