********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 3 August 2023 Vol. XXXVI No. 031 ______________________________________________________________________ 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 = 0.0 seconds beginning 28 July 2022 at 0000 UTC Beginning 1 January 2017: TAI-UTC = 37.000 000 seconds *********************************************************************** * ANNOUNCEMENTS: * * * * NO leap second will be introduced at the end of December 2023. * * * * The primary source for IERS Rapid Service/Prediction Center (RS/PC) * * data products is the official IERS RS/PC website: * * https://maia.usno.navy.mil * * * * IERS RS/PC products are also available from: * * NASA CDDIS: https://cddis.nasa.gov/archive/products/iers/ * * NASA CDDIS: ftps://gdc.cddis.eosdis.nasa.gov/products/iers/ * * IERS Central Bureau: https://datacenter.iers.org/eop.php * * * * Questions about IERS RS/PC products can be emailed to: * * eopcp@us.navy.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 23 7 28 60153 0.25229 .00009 0.48081 .00009 -0.018138 0.000014 23 7 29 60154 0.25450 .00009 0.47915 .00009 -0.017390 0.000014 23 7 30 60155 0.25627 .00009 0.47732 .00009 -0.016505 0.000015 23 7 31 60156 0.25779 .00009 0.47532 .00009 -0.015589 0.000021 23 8 1 60157 0.25955 .00009 0.47337 .00009 -0.014789 0.000025 23 8 2 60158 0.26151 .00009 0.47168 .00009 -0.014194 0.000025 23 8 3 60159 0.26348 .00009 0.47011 .00009 -0.013916 0.000024 IERS Final Values MJD x y UT1-UTC " " s 23 6 2 60097 0.0993 0.5087 -0.04623 23 6 3 60098 0.1022 0.5093 -0.04621 23 6 4 60099 0.1052 0.5101 -0.04596 23 6 5 60100 0.1080 0.5104 -0.04550 23 6 6 60101 0.1112 0.5108 -0.04497 23 6 7 60102 0.1142 0.5113 -0.04448 23 6 8 60103 0.1165 0.5115 -0.04412 23 6 9 60104 0.1192 0.5118 -0.04398 23 6 10 60105 0.1217 0.5121 -0.04407 23 6 11 60106 0.1238 0.5126 -0.04433 23 6 12 60107 0.1261 0.5129 -0.04462 23 6 13 60108 0.1287 0.5130 -0.04483 23 6 14 60109 0.1313 0.5132 -0.04489 23 6 15 60110 0.1338 0.5130 -0.04471 23 6 16 60111 0.1365 0.5129 -0.04428 23 6 17 60112 0.1395 0.5129 -0.04367 23 6 18 60113 0.1424 0.5128 -0.04291 23 6 19 60114 0.1457 0.5125 -0.04205 23 6 20 60115 0.1487 0.5124 -0.04118 23 6 21 60116 0.1520 0.5120 -0.04039 23 6 22 60117 0.1555 0.5116 -0.03966 23 6 23 60118 0.1583 0.5112 -0.03903 23 6 24 60119 0.1614 0.5108 -0.03850 23 6 25 60120 0.1642 0.5107 -0.03807 23 6 26 60121 0.1672 0.5103 -0.03776 23 6 27 60122 0.1704 0.5100 -0.03752 23 6 28 60123 0.1740 0.5100 -0.03731 23 6 29 60124 0.1770 0.5096 -0.03704 23 6 30 60125 0.1803 0.5091 -0.03667 23 7 1 60126 0.1836 0.5085 -0.03613 _______________________________________________________________________ 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 = 0.1409 + 0.0762 cos A + 0.0676 sin A + 0.0468 cos C + 0.0570 sin C y = 0.3501 + 0.0653 cos A - 0.0685 sin A + 0.0570 cos C - 0.0468 sin C UT1-UTC = -0.0397 + 0.00009 (MJD - 60167) - (UT2-UT1) where A = 2*pi*(MJD-60159)/365.25 and C = 2*pi*(MJD-60159)/435. TAI-UTC(MJD 60160) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-60159)**0.80 S t = 0.00025 (MJD-60159)**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) 2023 8 4 60160 0.2654 0.4685 -0.01381 2023 8 5 60161 0.2672 0.4669 -0.01388 2023 8 6 60162 0.2690 0.4652 -0.01397 2023 8 7 60163 0.2708 0.4634 -0.01390 2023 8 8 60164 0.2724 0.4615 -0.01357 2023 8 9 60165 0.2741 0.4594 -0.01295 2023 8 10 60166 0.2757 0.4573 -0.01206 2023 8 11 60167 0.2773 0.4552 -0.01098 2023 8 12 60168 0.2788 0.4531 -0.00977 2023 8 13 60169 0.2803 0.4509 -0.00855 2023 8 14 60170 0.2817 0.4488 -0.00739 2023 8 15 60171 0.2831 0.4466 -0.00638 2023 8 16 60172 0.2844 0.4444 -0.00559 2023 8 17 60173 0.2857 0.4422 -0.00504 2023 8 18 60174 0.2870 0.4400 -0.00470 2023 8 19 60175 0.2883 0.4378 -0.00453 2023 8 20 60176 0.2895 0.4355 -0.00449 2023 8 21 60177 0.2906 0.4332 -0.00449 2023 8 22 60178 0.2918 0.4309 -0.00449 2023 8 23 60179 0.2929 0.4286 -0.00440 2023 8 24 60180 0.2939 0.4262 -0.00414 2023 8 25 60181 0.2949 0.4238 -0.00368 2023 8 26 60182 0.2958 0.4214 -0.00304 2023 8 27 60183 0.2967 0.4190 -0.00231 2023 8 28 60184 0.2976 0.4166 -0.00160 2023 8 29 60185 0.2985 0.4142 -0.00107 2023 8 30 60186 0.2992 0.4118 -0.00086 2023 8 31 60187 0.3000 0.4093 -0.00101 2023 9 1 60188 0.3007 0.4069 -0.00146 2023 9 2 60189 0.3014 0.4044 -0.00206 2023 9 3 60190 0.3020 0.4019 -0.00261 2023 9 4 60191 0.3026 0.3995 -0.00296 2023 9 5 60192 0.3031 0.3970 -0.00305 2023 9 6 60193 0.3036 0.3945 -0.00285 2023 9 7 60194 0.3041 0.3920 -0.00244 2023 9 8 60195 0.3045 0.3895 -0.00188 2023 9 9 60196 0.3048 0.3870 -0.00126 2023 9 10 60197 0.3052 0.3844 -0.00067 2023 9 11 60198 0.3054 0.3819 -0.00017 2023 9 12 60199 0.3057 0.3794 0.00017 2023 9 13 60200 0.3059 0.3769 0.00032 2023 9 14 60201 0.3060 0.3744 0.00028 2023 9 15 60202 0.3061 0.3718 0.00006 2023 9 16 60203 0.3062 0.3693 -0.00029 2023 9 17 60204 0.3062 0.3668 -0.00069 2023 9 18 60205 0.3062 0.3643 -0.00107 2023 9 19 60206 0.3061 0.3617 -0.00137 2023 9 20 60207 0.3060 0.3592 -0.00152 2023 9 21 60208 0.3059 0.3567 -0.00151 2023 9 22 60209 0.3057 0.3542 -0.00134 2023 9 23 60210 0.3055 0.3517 -0.00110 2023 9 24 60211 0.3052 0.3492 -0.00087 2023 9 25 60212 0.3049 0.3467 -0.00081 2023 9 26 60213 0.3045 0.3442 -0.00102 2023 9 27 60214 0.3041 0.3417 -0.00159 2023 9 28 60215 0.3037 0.3392 -0.00249 2023 9 29 60216 0.3032 0.3368 -0.00362 2023 9 30 60217 0.3026 0.3343 -0.00480 2023 10 1 60218 0.3021 0.3319 -0.00584 2023 10 2 60219 0.3015 0.3294 -0.00663 2023 10 3 60220 0.3008 0.3270 -0.00710 2023 10 4 60221 0.3001 0.3246 -0.00728 2023 10 5 60222 0.2994 0.3222 -0.00725 2023 10 6 60223 0.2986 0.3198 -0.00710 2023 10 7 60224 0.2978 0.3174 -0.00693 2023 10 8 60225 0.2970 0.3151 -0.00682 2023 10 9 60226 0.2961 0.3127 -0.00683 2023 10 10 60227 0.2951 0.3104 -0.00701 2023 10 11 60228 0.2942 0.3081 -0.00737 2023 10 12 60229 0.2932 0.3058 -0.00789 2023 10 13 60230 0.2921 0.3035 -0.00855 2023 10 14 60231 0.2910 0.3012 -0.00926 2023 10 15 60232 0.2899 0.2990 -0.00997 2023 10 16 60233 0.2888 0.2967 -0.01058 2023 10 17 60234 0.2876 0.2945 -0.01103 2023 10 18 60235 0.2863 0.2923 -0.01127 2023 10 19 60236 0.2851 0.2902 -0.01133 2023 10 20 60237 0.2838 0.2880 -0.01123 2023 10 21 60238 0.2824 0.2859 -0.01110 2023 10 22 60239 0.2811 0.2838 -0.01103 2023 10 23 60240 0.2797 0.2817 -0.01117 2023 10 24 60241 0.2782 0.2797 -0.01159 2023 10 25 60242 0.2768 0.2776 -0.01233 2023 10 26 60243 0.2753 0.2756 -0.01332 2023 10 27 60244 0.2737 0.2736 -0.01444 2023 10 28 60245 0.2722 0.2717 -0.01552 2023 10 29 60246 0.2706 0.2697 -0.01640 2023 10 30 60247 0.2689 0.2678 -0.01699 2023 10 31 60248 0.2673 0.2659 -0.01728 2023 11 1 60249 0.2656 0.2641 -0.01732 2023 11 2 60250 0.2639 0.2623 -0.01719 2023 11 3 60251 0.2621 0.2605 -0.01701 2023 11 4 60252 0.2603 0.2587 -0.01685 2023 11 5 60253 0.2585 0.2569 -0.01679 2023 11 6 60254 0.2567 0.2552 -0.01687 2023 11 7 60255 0.2549 0.2535 -0.01712 2023 11 8 60256 0.2530 0.2519 -0.01754 2023 11 9 60257 0.2511 0.2503 -0.01809 2023 11 10 60258 0.2491 0.2487 -0.01872 2023 11 11 60259 0.2472 0.2471 -0.01936 2023 11 12 60260 0.2452 0.2456 -0.01992 2023 11 13 60261 0.2432 0.2441 -0.02035 2023 11 14 60262 0.2412 0.2426 -0.02057 2023 11 15 60263 0.2391 0.2412 -0.02058 2023 11 16 60264 0.2370 0.2398 -0.02042 2023 11 17 60265 0.2349 0.2384 -0.02017 2023 11 18 60266 0.2328 0.2370 -0.01995 2023 11 19 60267 0.2307 0.2357 -0.01988 2023 11 20 60268 0.2285 0.2345 -0.02017 2023 11 21 60269 0.2264 0.2332 -0.02073 2023 11 22 60270 0.2242 0.2320 -0.02153 2023 11 23 60271 0.2220 0.2309 -0.02248 2023 11 24 60272 0.2197 0.2297 -0.02343 2023 11 25 60273 0.2175 0.2287 -0.02423 2023 11 26 60274 0.2153 0.2276 -0.02479 2023 11 27 60275 0.2130 0.2266 -0.02506 2023 11 28 60276 0.2107 0.2256 -0.02505 2023 11 29 60277 0.2084 0.2246 -0.02485 2023 11 30 60278 0.2061 0.2237 -0.02455 2023 12 1 60279 0.2038 0.2228 -0.02423 2023 12 2 60280 0.2014 0.2220 -0.02400 2023 12 3 60281 0.1991 0.2212 -0.02389 2023 12 4 60282 0.1968 0.2204 -0.02394 2023 12 5 60283 0.1944 0.2197 -0.02415 2023 12 6 60284 0.1920 0.2190 -0.02450 2023 12 7 60285 0.1896 0.2183 -0.02494 2023 12 8 60286 0.1873 0.2177 -0.02541 2023 12 9 60287 0.1849 0.2171 -0.02584 2023 12 10 60288 0.1825 0.2166 -0.02616 2023 12 11 60289 0.1801 0.2161 -0.02630 2023 12 12 60290 0.1776 0.2156 -0.02624 2023 12 13 60291 0.1752 0.2152 -0.02598 2023 12 14 60292 0.1728 0.2148 -0.02561 2023 12 15 60293 0.1704 0.2145 -0.02524 2023 12 16 60294 0.1680 0.2141 -0.02501 2023 12 17 60295 0.1655 0.2139 -0.02502 2023 12 18 60296 0.1631 0.2136 -0.02530 2023 12 19 60297 0.1607 0.2134 -0.02583 2023 12 20 60298 0.1583 0.2133 -0.02650 2023 12 21 60299 0.1558 0.2131 -0.02719 2023 12 22 60300 0.1534 0.2130 -0.02776 2023 12 23 60301 0.1510 0.2130 -0.02811 2023 12 24 60302 0.1486 0.2130 -0.02819 2023 12 25 60303 0.1462 0.2130 -0.02800 2023 12 26 60304 0.1438 0.2131 -0.02762 2023 12 27 60305 0.1414 0.2132 -0.02711 2023 12 28 60306 0.1390 0.2133 -0.02657 2023 12 29 60307 0.1366 0.2135 -0.02609 2023 12 30 60308 0.1342 0.2137 -0.02573 2023 12 31 60309 0.1318 0.2140 -0.02553 2024 1 1 60310 0.1294 0.2142 -0.02549 2024 1 2 60311 0.1271 0.2146 -0.02559 2024 1 3 60312 0.1247 0.2149 -0.02580 2024 1 4 60313 0.1224 0.2153 -0.02606 2024 1 5 60314 0.1201 0.2158 -0.02631 2024 1 6 60315 0.1178 0.2162 -0.02647 2024 1 7 60316 0.1155 0.2167 -0.02649 2024 1 8 60317 0.1132 0.2173 -0.02633 2024 1 9 60318 0.1109 0.2179 -0.02598 2024 1 10 60319 0.1086 0.2185 -0.02549 2024 1 11 60320 0.1064 0.2191 -0.02498 2024 1 12 60321 0.1041 0.2198 -0.02457 2024 1 13 60322 0.1019 0.2205 -0.02440 2024 1 14 60323 0.0997 0.2213 -0.02453 2024 1 15 60324 0.0975 0.2221 -0.02496 2024 1 16 60325 0.0954 0.2229 -0.02557 2024 1 17 60326 0.0932 0.2237 -0.02622 2024 1 18 60327 0.0911 0.2246 -0.02677 2024 1 19 60328 0.0890 0.2255 -0.02710 2024 1 20 60329 0.0869 0.2265 -0.02716 2024 1 21 60330 0.0848 0.2275 -0.02696 2024 1 22 60331 0.0827 0.2285 -0.02655 2024 1 23 60332 0.0807 0.2296 -0.02601 2024 1 24 60333 0.0787 0.2306 -0.02544 2024 1 25 60334 0.0767 0.2317 -0.02492 2024 1 26 60335 0.0747 0.2329 -0.02452 2024 1 27 60336 0.0728 0.2341 -0.02429 2024 1 28 60337 0.0709 0.2353 -0.02423 2024 1 29 60338 0.0690 0.2365 -0.02434 2024 1 30 60339 0.0671 0.2377 -0.02458 2024 1 31 60340 0.0653 0.2390 -0.02488 2024 2 1 60341 0.0635 0.2403 -0.02519 2024 2 2 60342 0.0617 0.2417 -0.02544 2024 2 3 60343 0.0599 0.2431 -0.02557 2024 2 4 60344 0.0582 0.2445 -0.02553 2024 2 5 60345 0.0565 0.2459 -0.02532 2024 2 6 60346 0.0548 0.2473 -0.02495 2024 2 7 60347 0.0531 0.2488 -0.02450 2024 2 8 60348 0.0515 0.2503 -0.02410 2024 2 9 60349 0.0499 0.2518 -0.02390 2024 2 10 60350 0.0483 0.2534 -0.02400 2024 2 11 60351 0.0468 0.2550 -0.02444 2024 2 12 60352 0.0453 0.2566 -0.02516 2024 2 13 60353 0.0438 0.2582 -0.02598 2024 2 14 60354 0.0424 0.2598 -0.02674 2024 2 15 60355 0.0410 0.2615 -0.02729 2024 2 16 60356 0.0396 0.2632 -0.02753 2024 2 17 60357 0.0382 0.2649 -0.02746 2024 2 18 60358 0.0369 0.2666 -0.02713 2024 2 19 60359 0.0356 0.2683 -0.02663 2024 2 20 60360 0.0344 0.2701 -0.02606 2024 2 21 60361 0.0331 0.2719 -0.02551 2024 2 22 60362 0.0320 0.2737 -0.02505 2024 2 23 60363 0.0308 0.2755 -0.02474 2024 2 24 60364 0.0297 0.2773 -0.02459 2024 2 25 60365 0.0286 0.2792 -0.02461 2024 2 26 60366 0.0275 0.2811 -0.02475 2024 2 27 60367 0.0265 0.2829 -0.02497 2024 2 28 60368 0.0255 0.2848 -0.02522 2024 2 29 60369 0.0246 0.2867 -0.02544 2024 3 1 60370 0.0237 0.2887 -0.02558 2024 3 2 60371 0.0228 0.2906 -0.02561 2024 3 3 60372 0.0220 0.2926 -0.02551 2024 3 4 60373 0.0212 0.2945 -0.02528 2024 3 5 60374 0.0204 0.2965 -0.02497 2024 3 6 60375 0.0197 0.2985 -0.02467 2024 3 7 60376 0.0190 0.3005 -0.02452 2024 3 8 60377 0.0183 0.3025 -0.02469 2024 3 9 60378 0.0177 0.3045 -0.02528 2024 3 10 60379 0.0171 0.3065 -0.02632 2024 3 11 60380 0.0165 0.3086 -0.02765 2024 3 12 60381 0.0160 0.3106 -0.02904 2024 3 13 60382 0.0155 0.3127 -0.03026 2024 3 14 60383 0.0151 0.3147 -0.03118 2024 3 15 60384 0.0147 0.3168 -0.03174 2024 3 16 60385 0.0143 0.3188 -0.03201 2024 3 17 60386 0.0140 0.3209 -0.03200 2024 3 18 60387 0.0137 0.3230 -0.03189 2024 3 19 60388 0.0134 0.3250 -0.03182 2024 3 20 60389 0.0132 0.3271 -0.03179 2024 3 21 60390 0.0130 0.3292 -0.03198 2024 3 22 60391 0.0129 0.3313 -0.03231 2024 3 23 60392 0.0128 0.3334 -0.03282 2024 3 24 60393 0.0127 0.3354 -0.03350 2024 3 25 60394 0.0127 0.3375 -0.03436 2024 3 26 60395 0.0127 0.3396 -0.03527 2024 3 27 60396 0.0127 0.3417 -0.03604 2024 3 28 60397 0.0128 0.3438 -0.03673 2024 3 29 60398 0.0129 0.3459 -0.03723 2024 3 30 60399 0.0130 0.3479 -0.03754 2024 3 31 60400 0.0132 0.3500 -0.03767 2024 4 1 60401 0.0134 0.3521 -0.03755 2024 4 2 60402 0.0137 0.3541 -0.03727 2024 4 3 60403 0.0140 0.3562 -0.03705 2024 4 4 60404 0.0143 0.3582 -0.03708 2024 4 5 60405 0.0147 0.3603 -0.03747 2024 4 6 60406 0.0151 0.3623 -0.03813 2024 4 7 60407 0.0155 0.3643 -0.03911 2024 4 8 60408 0.0159 0.3664 -0.04022 2024 4 9 60409 0.0164 0.3684 -0.04133 2024 4 10 60410 0.0170 0.3704 -0.04218 2024 4 11 60411 0.0175 0.3724 -0.04269 2024 4 12 60412 0.0182 0.3744 -0.04288 2024 4 13 60413 0.0188 0.3763 -0.04282 2024 4 14 60414 0.0195 0.3783 -0.04257 2024 4 15 60415 0.0202 0.3802 -0.04226 2024 4 16 60416 0.0209 0.3822 -0.04199 2024 4 17 60417 0.0217 0.3841 -0.04182 2024 4 18 60418 0.0225 0.3860 -0.04183 2024 4 19 60419 0.0233 0.3879 -0.04195 2024 4 20 60420 0.0242 0.3898 -0.04227 2024 4 21 60421 0.0251 0.3917 -0.04266 2024 4 22 60422 0.0260 0.3935 -0.04312 2024 4 23 60423 0.0269 0.3954 -0.04361 2024 4 24 60424 0.0279 0.3972 -0.04402 2024 4 25 60425 0.0289 0.3990 -0.04432 2024 4 26 60426 0.0300 0.4008 -0.04451 2024 4 27 60427 0.0311 0.4025 -0.04451 2024 4 28 60428 0.0322 0.4043 -0.04439 2024 4 29 60429 0.0333 0.4060 -0.04416 2024 4 30 60430 0.0345 0.4077 -0.04398 2024 5 1 60431 0.0357 0.4094 -0.04398 2024 5 2 60432 0.0369 0.4111 -0.04413 2024 5 3 60433 0.0381 0.4128 -0.04463 2024 5 4 60434 0.0394 0.4144 -0.04545 2024 5 5 60435 0.0407 0.4160 -0.04639 2024 5 6 60436 0.0420 0.4176 -0.04737 2024 5 7 60437 0.0434 0.4192 -0.04818 2024 5 8 60438 0.0447 0.4207 -0.04869 2024 5 9 60439 0.0461 0.4222 -0.04886 2024 5 10 60440 0.0476 0.4237 -0.04873 2024 5 11 60441 0.0490 0.4252 -0.04841 2024 5 12 60442 0.0505 0.4267 -0.04811 2024 5 13 60443 0.0520 0.4281 -0.04779 2024 5 14 60444 0.0535 0.4295 -0.04756 2024 5 15 60445 0.0550 0.4309 -0.04751 2024 5 16 60446 0.0566 0.4322 -0.04759 2024 5 17 60447 0.0582 0.4336 -0.04787 2024 5 18 60448 0.0598 0.4349 -0.04823 2024 5 19 60449 0.0614 0.4362 -0.04851 2024 5 20 60450 0.0630 0.4374 -0.04871 2024 5 21 60451 0.0647 0.4386 -0.04879 2024 5 22 60452 0.0663 0.4398 -0.04870 2024 5 23 60453 0.0680 0.4410 -0.04850 2024 5 24 60454 0.0697 0.4421 -0.04809 2024 5 25 60455 0.0715 0.4433 -0.04748 2024 5 26 60456 0.0732 0.4443 -0.04684 2024 5 27 60457 0.0750 0.4454 -0.04622 2024 5 28 60458 0.0767 0.4464 -0.04571 2024 5 29 60459 0.0785 0.4474 -0.04548 2024 5 30 60460 0.0803 0.4484 -0.04549 2024 5 31 60461 0.0821 0.4493 -0.04573 2024 6 1 60462 0.0839 0.4503 -0.04617 2024 6 2 60463 0.0858 0.4511 -0.04668 2024 6 3 60464 0.0876 0.4520 -0.04712 2024 6 4 60465 0.0895 0.4528 -0.04731 2024 6 5 60466 0.0914 0.4536 -0.04707 2024 6 6 60467 0.0932 0.4544 -0.04647 2024 6 7 60468 0.0951 0.4551 -0.04555 2024 6 8 60469 0.0970 0.4558 -0.04441 2024 6 9 60470 0.0989 0.4565 -0.04327 2024 6 10 60471 0.1009 0.4571 -0.04220 2024 6 11 60472 0.1028 0.4577 -0.04127 2024 6 12 60473 0.1047 0.4583 -0.04045 2024 6 13 60474 0.1066 0.4589 -0.03975 2024 6 14 60475 0.1086 0.4594 -0.03910 2024 6 15 60476 0.1105 0.4599 -0.03848 2024 6 16 60477 0.1125 0.4603 -0.03786 2024 6 17 60478 0.1144 0.4608 -0.03720 2024 6 18 60479 0.1164 0.4611 -0.03646 2024 6 19 60480 0.1183 0.4615 -0.03553 2024 6 20 60481 0.1203 0.4618 -0.03433 2024 6 21 60482 0.1223 0.4621 -0.03298 2024 6 22 60483 0.1242 0.4624 -0.03151 2024 6 23 60484 0.1262 0.4626 -0.02996 2024 6 24 60485 0.1281 0.4628 -0.02854 2024 6 25 60486 0.1301 0.4630 -0.02724 2024 6 26 60487 0.1321 0.4632 -0.02617 2024 6 27 60488 0.1340 0.4633 -0.02543 2024 6 28 60489 0.1360 0.4634 -0.02488 2024 6 29 60490 0.1379 0.4634 -0.02444 2024 6 30 60491 0.1399 0.4634 -0.02395 2024 7 1 60492 0.1418 0.4634 -0.02323 2024 7 2 60493 0.1438 0.4634 -0.02232 2024 7 3 60494 0.1457 0.4633 -0.02119 2024 7 4 60495 0.1476 0.4632 -0.01982 2024 7 5 60496 0.1495 0.4631 -0.01839 2024 7 6 60497 0.1515 0.4629 -0.01686 2024 7 7 60498 0.1534 0.4627 -0.01548 2024 7 8 60499 0.1553 0.4625 -0.01422 2024 7 9 60500 0.1572 0.4622 -0.01317 2024 7 10 60501 0.1590 0.4619 -0.01226 2024 7 11 60502 0.1609 0.4616 -0.01152 2024 7 12 60503 0.1628 0.4613 -0.01087 2024 7 13 60504 0.1646 0.4609 -0.01025 2024 7 14 60505 0.1665 0.4605 -0.00955 2024 7 15 60506 0.1683 0.4600 -0.00885 2024 7 16 60507 0.1701 0.4596 -0.00795 2024 7 17 60508 0.1719 0.4591 -0.00685 2024 7 18 60509 0.1737 0.4586 -0.00559 2024 7 19 60510 0.1755 0.4580 -0.00417 2024 7 20 60511 0.1772 0.4574 -0.00265 2024 7 21 60512 0.1790 0.4568 -0.00115 2024 7 22 60513 0.1807 0.4562 0.00017 2024 7 23 60514 0.1824 0.4556 0.00130 2024 7 24 60515 0.1841 0.4549 0.00214 2024 7 25 60516 0.1858 0.4542 0.00272 2024 7 26 60517 0.1875 0.4534 0.00319 2024 7 27 60518 0.1891 0.4527 0.00372 2024 7 28 60519 0.1908 0.4519 0.00438 2024 7 29 60520 0.1924 0.4511 0.00524 2024 7 30 60521 0.1940 0.4502 0.00647 2024 7 31 60522 0.1955 0.4493 0.00798 2024 8 1 60523 0.1971 0.4485 0.00977 2024 8 2 60524 0.1986 0.4475 0.01150 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) 60137 -113.78 0.93 -9.01 0.12 60138 -114.09 0.93 -9.00 0.12 60139 -114.43 0.93 -9.09 0.12 60140 -114.63 0.84 -9.32 0.19 60141 -114.65 1.06 -9.69 0.17 60142 -114.62 1.06 -10.00 0.17 60143 -114.63 1.22 -10.04 0.15 60144 -114.74 1.13 -9.79 0.21 60145 -114.88 1.13 -9.45 0.21 60146 -114.99 1.13 -9.24 0.21 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 60097 -108.8 -9.3 60098 -109.2 -9.4 60099 -109.5 -9.6 60100 -109.6 -9.9 60101 -109.5 -10.1 60102 -108.9 -10.2 60103 -108.5 -10.1 60104 -108.2 -10.0 60105 -108.3 -9.9 60106 -108.5 -9.8 60107 -108.7 -9.7 60108 -108.9 -9.6 60109 -109.2 -9.3 60110 -109.5 -9.1 60111 -109.8 -9.0 60112 -109.9 -9.2 60113 -109.9 -9.6 60114 -109.8 -10.0 60115 -109.9 -10.1 60116 -110.1 -10.0 60117 -110.4 -9.8 60118 -110.6 -9.7 60119 -110.5 -9.7 60120 -110.2 -9.6 60121 -110.1 -9.4 60122 -110.4 -9.3 60123 -111.3 -9.2 60124 -112.2 -9.2 60125 -112.7 -9.1 60126 -113.0 -9.1 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 60137 0.380 0.371 -0.120 0.122 60138 0.384 0.371 -0.119 0.122 60139 0.389 0.371 -0.125 0.122 60140 0.396 0.332 -0.134 0.190 60141 0.404 0.422 -0.145 0.170 60142 0.411 0.422 -0.160 0.170 60143 0.415 0.485 -0.179 0.149 60144 0.416 0.449 -0.204 0.207 60145 0.414 0.449 -0.233 0.207 60146 0.410 0.449 -0.264 0.207 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 60097 0.34 -0.13 60098 0.28 -0.13 60099 0.24 -0.13 60100 0.23 -0.13 60101 0.24 -0.14 60102 0.29 -0.18 60103 0.34 -0.23 60104 0.40 -0.27 60105 0.40 -0.30 60106 0.38 -0.32 60107 0.36 -0.32 60108 0.34 -0.29 60109 0.35 -0.20 60110 0.36 -0.11 60111 0.35 -0.06 60112 0.34 -0.04 60113 0.35 -0.06 60114 0.40 -0.10 60115 0.44 -0.15 60116 0.42 -0.15 60117 0.37 -0.12 60118 0.33 -0.10 60119 0.32 -0.12 60120 0.34 -0.17 60121 0.36 -0.23 60122 0.39 -0.26 60123 0.40 -0.22 60124 0.39 -0.16 60125 0.38 -0.10 60126 0.37 -0.08