********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 6 July 2023 Vol. XXXVI No. 027 ______________________________________________________________________ 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 6 30 60125 0.18027 .00009 0.50910 .00009 -0.036634 0.000009 23 7 1 60126 0.18370 .00009 0.50847 .00009 -0.036144 0.000011 23 7 2 60127 0.18722 .00009 0.50791 .00009 -0.035424 0.000014 23 7 3 60128 0.19045 .00009 0.50758 .00009 -0.034466 0.000017 23 7 4 60129 0.19327 .00009 0.50736 .00009 -0.033502 0.000022 23 7 5 60130 0.19589 .00009 0.50702 .00009 -0.032619 0.000028 23 7 6 60131 0.19845 .00009 0.50643 .00009 -0.031855 0.000027 IERS Final Values MJD x y UT1-UTC " " s 23 5 2 60066 0.0288 0.4746 -0.03479 23 5 3 60067 0.0302 0.4757 -0.03547 23 5 4 60068 0.0319 0.4766 -0.03617 23 5 5 60069 0.0338 0.4776 -0.03682 23 5 6 60070 0.0357 0.4787 -0.03737 23 5 7 60071 0.0379 0.4798 -0.03777 23 5 8 60072 0.0398 0.4813 -0.03800 23 5 9 60073 0.0417 0.4827 -0.03810 23 5 10 60074 0.0435 0.4843 -0.03820 23 5 11 60075 0.0453 0.4855 -0.03839 23 5 12 60076 0.0473 0.4866 -0.03882 23 5 13 60077 0.0495 0.4878 -0.03954 23 5 14 60078 0.0523 0.4891 -0.04054 23 5 15 60079 0.0559 0.4906 -0.04178 23 5 16 60080 0.0592 0.4923 -0.04310 23 5 17 60081 0.0621 0.4935 -0.04429 23 5 18 60082 0.0645 0.4946 -0.04525 23 5 19 60083 0.0669 0.4957 -0.04591 23 5 20 60084 0.0694 0.4966 -0.04626 23 5 21 60085 0.0717 0.4976 -0.04639 23 5 22 60086 0.0737 0.4982 -0.04625 23 5 23 60087 0.0762 0.4990 -0.04599 23 5 24 60088 0.0792 0.5000 -0.04567 23 5 25 60089 0.0822 0.5010 -0.04536 23 5 26 60090 0.0849 0.5025 -0.04510 23 5 27 60091 0.0867 0.5037 -0.04495 23 5 28 60092 0.0887 0.5044 -0.04499 23 5 29 60093 0.0903 0.5053 -0.04521 23 5 30 60094 0.0919 0.5060 -0.04550 23 5 31 60095 0.0938 0.5070 -0.04578 23 6 1 60096 0.0964 0.5078 -0.04604 _______________________________________________________________________ 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 = 0.1367 + 0.0408 cos A + 0.1062 sin A + 0.0204 cos C + 0.0589 sin C y = 0.3498 + 0.0979 cos A - 0.0367 sin A + 0.0589 cos C - 0.0204 sin C UT1-UTC = -0.0293 + 0.00011 (MJD - 60139) - (UT2-UT1) where A = 2*pi*(MJD-60131)/365.25 and C = 2*pi*(MJD-60131)/435. TAI-UTC(MJD 60132) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-60131)**0.80 S t = 0.00025 (MJD-60131)**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 7 7 60132 0.2010 0.5057 -0.03138 2023 7 8 60133 0.2034 0.5048 -0.03113 2023 7 9 60134 0.2059 0.5038 -0.03096 2023 7 10 60135 0.2085 0.5027 -0.03075 2023 7 11 60136 0.2110 0.5016 -0.03036 2023 7 12 60137 0.2135 0.5005 -0.02976 2023 7 13 60138 0.2160 0.4994 -0.02890 2023 7 14 60139 0.2184 0.4982 -0.02782 2023 7 15 60140 0.2208 0.4969 -0.02655 2023 7 16 60141 0.2232 0.4956 -0.02515 2023 7 17 60142 0.2255 0.4943 -0.02371 2023 7 18 60143 0.2278 0.4929 -0.02234 2023 7 19 60144 0.2300 0.4915 -0.02109 2023 7 20 60145 0.2322 0.4901 -0.02005 2023 7 21 60146 0.2344 0.4886 -0.01924 2023 7 22 60147 0.2366 0.4871 -0.01862 2023 7 23 60148 0.2387 0.4856 -0.01814 2023 7 24 60149 0.2408 0.4840 -0.01773 2023 7 25 60150 0.2428 0.4823 -0.01736 2023 7 26 60151 0.2449 0.4807 -0.01696 2023 7 27 60152 0.2469 0.4790 -0.01646 2023 7 28 60153 0.2489 0.4772 -0.01580 2023 7 29 60154 0.2509 0.4755 -0.01494 2023 7 30 60155 0.2528 0.4737 -0.01392 2023 7 31 60156 0.2548 0.4719 -0.01285 2023 8 1 60157 0.2566 0.4701 -0.01189 2023 8 2 60158 0.2585 0.4682 -0.01118 2023 8 3 60159 0.2603 0.4663 -0.01079 2023 8 4 60160 0.2620 0.4644 -0.01071 2023 8 5 60161 0.2638 0.4624 -0.01082 2023 8 6 60162 0.2655 0.4605 -0.01096 2023 8 7 60163 0.2672 0.4585 -0.01098 2023 8 8 60164 0.2688 0.4564 -0.01078 2023 8 9 60165 0.2704 0.4544 -0.01032 2023 8 10 60166 0.2720 0.4523 -0.00961 2023 8 11 60167 0.2735 0.4502 -0.00873 2023 8 12 60168 0.2750 0.4481 -0.00775 2023 8 13 60169 0.2764 0.4460 -0.00674 2023 8 14 60170 0.2779 0.4438 -0.00580 2023 8 15 60171 0.2792 0.4416 -0.00498 2023 8 16 60172 0.2806 0.4395 -0.00433 2023 8 17 60173 0.2819 0.4372 -0.00387 2023 8 18 60174 0.2832 0.4350 -0.00358 2023 8 19 60175 0.2844 0.4328 -0.00344 2023 8 20 60176 0.2856 0.4305 -0.00338 2023 8 21 60177 0.2867 0.4282 -0.00336 2023 8 22 60178 0.2878 0.4259 -0.00329 2023 8 23 60179 0.2889 0.4236 -0.00312 2023 8 24 60180 0.2899 0.4213 -0.00278 2023 8 25 60181 0.2909 0.4189 -0.00225 2023 8 26 60182 0.2918 0.4166 -0.00156 2023 8 27 60183 0.2927 0.4142 -0.00078 2023 8 28 60184 0.2936 0.4118 -0.00004 2023 8 29 60185 0.2944 0.4094 0.00051 2023 8 30 60186 0.2952 0.4070 0.00075 2023 8 31 60187 0.2959 0.4046 0.00064 2023 9 1 60188 0.2966 0.4022 0.00025 2023 9 2 60189 0.2973 0.3997 -0.00026 2023 9 3 60190 0.2979 0.3973 -0.00073 2023 9 4 60191 0.2984 0.3948 -0.00098 2023 9 5 60192 0.2989 0.3924 -0.00095 2023 9 6 60193 0.2994 0.3899 -0.00063 2023 9 7 60194 0.2999 0.3874 -0.00006 2023 9 8 60195 0.3003 0.3850 0.00067 2023 9 9 60196 0.3006 0.3825 0.00147 2023 9 10 60197 0.3009 0.3800 0.00225 2023 9 11 60198 0.3012 0.3775 0.00294 2023 9 12 60199 0.3014 0.3750 0.00348 2023 9 13 60200 0.3016 0.3725 0.00383 2023 9 14 60201 0.3017 0.3700 0.00399 2023 9 15 60202 0.3018 0.3676 0.00398 2023 9 16 60203 0.3019 0.3651 0.00384 2023 9 17 60204 0.3019 0.3626 0.00365 2023 9 18 60205 0.3019 0.3601 0.00347 2023 9 19 60206 0.3018 0.3576 0.00338 2023 9 20 60207 0.3017 0.3551 0.00344 2023 9 21 60208 0.3015 0.3526 0.00368 2023 9 22 60209 0.3013 0.3502 0.00408 2023 9 23 60210 0.3011 0.3477 0.00458 2023 9 24 60211 0.3008 0.3452 0.00507 2023 9 25 60212 0.3005 0.3428 0.00543 2023 9 26 60213 0.3001 0.3403 0.00553 2023 9 27 60214 0.2997 0.3379 0.00529 2023 9 28 60215 0.2993 0.3354 0.00471 2023 9 29 60216 0.2988 0.3330 0.00391 2023 9 30 60217 0.2983 0.3306 0.00306 2023 10 1 60218 0.2977 0.3282 0.00234 2023 10 2 60219 0.2971 0.3258 0.00187 2023 10 3 60220 0.2964 0.3234 0.00171 2023 10 4 60221 0.2957 0.3210 0.00183 2023 10 5 60222 0.2950 0.3186 0.00216 2023 10 6 60223 0.2942 0.3163 0.00260 2023 10 7 60224 0.2934 0.3139 0.00306 2023 10 8 60225 0.2926 0.3116 0.00346 2023 10 9 60226 0.2917 0.3093 0.00372 2023 10 10 60227 0.2908 0.3070 0.00382 2023 10 11 60228 0.2898 0.3047 0.00373 2023 10 12 60229 0.2888 0.3025 0.00347 2023 10 13 60230 0.2878 0.3002 0.00308 2023 10 14 60231 0.2867 0.2980 0.00261 2023 10 15 60232 0.2856 0.2958 0.00214 2023 10 16 60233 0.2844 0.2936 0.00174 2023 10 17 60234 0.2833 0.2914 0.00150 2023 10 18 60235 0.2820 0.2893 0.00145 2023 10 19 60236 0.2808 0.2872 0.00158 2023 10 20 60237 0.2795 0.2851 0.00184 2023 10 21 60238 0.2782 0.2830 0.00214 2023 10 22 60239 0.2768 0.2809 0.00235 2023 10 23 60240 0.2754 0.2789 0.00226 2023 10 24 60241 0.2740 0.2768 0.00188 2023 10 25 60242 0.2726 0.2748 0.00119 2023 10 26 60243 0.2711 0.2729 0.00024 2023 10 27 60244 0.2695 0.2709 -0.00083 2023 10 28 60245 0.2680 0.2690 -0.00187 2023 10 29 60246 0.2664 0.2671 -0.00271 2023 10 30 60247 0.2648 0.2652 -0.00326 2023 10 31 60248 0.2632 0.2634 -0.00351 2023 11 1 60249 0.2615 0.2616 -0.00350 2023 11 2 60250 0.2598 0.2598 -0.00334 2023 11 3 60251 0.2581 0.2580 -0.00311 2023 11 4 60252 0.2563 0.2563 -0.00291 2023 11 5 60253 0.2545 0.2546 -0.00282 2023 11 6 60254 0.2527 0.2529 -0.00287 2023 11 7 60255 0.2509 0.2512 -0.00309 2023 11 8 60256 0.2490 0.2496 -0.00348 2023 11 9 60257 0.2471 0.2480 -0.00400 2023 11 10 60258 0.2452 0.2465 -0.00461 2023 11 11 60259 0.2433 0.2449 -0.00523 2023 11 12 60260 0.2414 0.2434 -0.00578 2023 11 13 60261 0.2394 0.2420 -0.00619 2023 11 14 60262 0.2374 0.2405 -0.00640 2023 11 15 60263 0.2353 0.2391 -0.00640 2023 11 16 60264 0.2333 0.2378 -0.00623 2023 11 17 60265 0.2312 0.2364 -0.00598 2023 11 18 60266 0.2292 0.2351 -0.00576 2023 11 19 60267 0.2270 0.2339 -0.00570 2023 11 20 60268 0.2249 0.2326 -0.00589 2023 11 21 60269 0.2228 0.2314 -0.00636 2023 11 22 60270 0.2206 0.2303 -0.00707 2023 11 23 60271 0.2185 0.2291 -0.00793 2023 11 24 60272 0.2163 0.2280 -0.00878 2023 11 25 60273 0.2141 0.2270 -0.00949 2023 11 26 60274 0.2118 0.2259 -0.00996 2023 11 27 60275 0.2096 0.2249 -0.01014 2023 11 28 60276 0.2074 0.2240 -0.01005 2023 11 29 60277 0.2051 0.2231 -0.00976 2023 11 30 60278 0.2028 0.2222 -0.00936 2023 12 1 60279 0.2005 0.2213 -0.00896 2023 12 2 60280 0.1982 0.2205 -0.00864 2023 12 3 60281 0.1959 0.2197 -0.00845 2023 12 4 60282 0.1936 0.2190 -0.00841 2023 12 5 60283 0.1913 0.2183 -0.00854 2023 12 6 60284 0.1889 0.2176 -0.00880 2023 12 7 60285 0.1866 0.2170 -0.00916 2023 12 8 60286 0.1842 0.2164 -0.00955 2023 12 9 60287 0.1819 0.2158 -0.00990 2023 12 10 60288 0.1795 0.2153 -0.01013 2023 12 11 60289 0.1772 0.2148 -0.01020 2023 12 12 60290 0.1748 0.2144 -0.01006 2023 12 13 60291 0.1724 0.2140 -0.00973 2023 12 14 60292 0.1700 0.2136 -0.00928 2023 12 15 60293 0.1676 0.2133 -0.00884 2023 12 16 60294 0.1653 0.2130 -0.00853 2023 12 17 60295 0.1629 0.2127 -0.00845 2023 12 18 60296 0.1605 0.2125 -0.00866 2023 12 19 60297 0.1581 0.2123 -0.00910 2023 12 20 60298 0.1557 0.2122 -0.00968 2023 12 21 60299 0.1533 0.2120 -0.01027 2023 12 22 60300 0.1510 0.2120 -0.01075 2023 12 23 60301 0.1486 0.2119 -0.01100 2023 12 24 60302 0.1462 0.2119 -0.01098 2023 12 25 60303 0.1438 0.2120 -0.01069 2023 12 26 60304 0.1415 0.2121 -0.01020 2023 12 27 60305 0.1391 0.2122 -0.00959 2023 12 28 60306 0.1367 0.2123 -0.00894 2023 12 29 60307 0.1344 0.2125 -0.00835 2023 12 30 60308 0.1320 0.2127 -0.00788 2023 12 31 60309 0.1297 0.2130 -0.00757 2024 1 1 60310 0.1274 0.2133 -0.00741 2024 1 2 60311 0.1251 0.2136 -0.00740 2024 1 3 60312 0.1228 0.2140 -0.00748 2024 1 4 60313 0.1205 0.2144 -0.00760 2024 1 5 60314 0.1182 0.2148 -0.00770 2024 1 6 60315 0.1159 0.2153 -0.00771 2024 1 7 60316 0.1136 0.2158 -0.00756 2024 1 8 60317 0.1114 0.2164 -0.00721 2024 1 9 60318 0.1091 0.2170 -0.00667 2024 1 10 60319 0.1069 0.2176 -0.00596 2024 1 11 60320 0.1047 0.2182 -0.00522 2024 1 12 60321 0.1025 0.2189 -0.00458 2024 1 13 60322 0.1003 0.2196 -0.00417 2024 1 14 60323 0.0982 0.2204 -0.00407 2024 1 15 60324 0.0960 0.2212 -0.00425 2024 1 16 60325 0.0939 0.2220 -0.00463 2024 1 17 60326 0.0918 0.2228 -0.00505 2024 1 18 60327 0.0897 0.2237 -0.00538 2024 1 19 60328 0.0876 0.2246 -0.00552 2024 1 20 60329 0.0856 0.2256 -0.00541 2024 1 21 60330 0.0835 0.2265 -0.00507 2024 1 22 60331 0.0815 0.2276 -0.00457 2024 1 23 60332 0.0795 0.2286 -0.00399 2024 1 24 60333 0.0775 0.2297 -0.00341 2024 1 25 60334 0.0756 0.2308 -0.00291 2024 1 26 60335 0.0737 0.2319 -0.00255 2024 1 27 60336 0.0718 0.2331 -0.00237 2024 1 28 60337 0.0699 0.2343 -0.00236 2024 1 29 60338 0.0680 0.2355 -0.00252 2024 1 30 60339 0.0662 0.2367 -0.00280 2024 1 31 60340 0.0644 0.2380 -0.00316 2024 2 1 60341 0.0626 0.2393 -0.00353 2024 2 2 60342 0.0608 0.2406 -0.00383 2024 2 3 60343 0.0591 0.2420 -0.00399 2024 2 4 60344 0.0574 0.2434 -0.00396 2024 2 5 60345 0.0557 0.2448 -0.00371 2024 2 6 60346 0.0541 0.2462 -0.00325 2024 2 7 60347 0.0525 0.2476 -0.00268 2024 2 8 60348 0.0509 0.2491 -0.00215 2024 2 9 60349 0.0493 0.2506 -0.00183 2024 2 10 60350 0.0478 0.2522 -0.00183 2024 2 11 60351 0.0463 0.2537 -0.00218 2024 2 12 60352 0.0448 0.2553 -0.00282 2024 2 13 60353 0.0434 0.2569 -0.00361 2024 2 14 60354 0.0419 0.2585 -0.00433 2024 2 15 60355 0.0406 0.2601 -0.00484 2024 2 16 60356 0.0392 0.2618 -0.00507 2024 2 17 60357 0.0379 0.2635 -0.00503 2024 2 18 60358 0.0366 0.2652 -0.00471 2024 2 19 60359 0.0353 0.2669 -0.00422 2024 2 20 60360 0.0341 0.2686 -0.00367 2024 2 21 60361 0.0329 0.2704 -0.00314 2024 2 22 60362 0.0318 0.2721 -0.00275 2024 2 23 60363 0.0306 0.2739 -0.00246 2024 2 24 60364 0.0295 0.2757 -0.00243 2024 2 25 60365 0.0285 0.2775 -0.00254 2024 2 26 60366 0.0274 0.2794 -0.00282 2024 2 27 60367 0.0265 0.2812 -0.00324 2024 2 28 60368 0.0255 0.2831 -0.00372 2024 2 29 60369 0.0246 0.2850 -0.00420 2024 3 1 60370 0.0237 0.2869 -0.00466 2024 3 2 60371 0.0228 0.2888 -0.00497 2024 3 3 60372 0.0220 0.2907 -0.00515 2024 3 4 60373 0.0212 0.2926 -0.00514 2024 3 5 60374 0.0205 0.2945 -0.00505 2024 3 6 60375 0.0198 0.2965 -0.00499 2024 3 7 60376 0.0191 0.2985 -0.00501 2024 3 8 60377 0.0184 0.3004 -0.00536 2024 3 9 60378 0.0178 0.3024 -0.00609 2024 3 10 60379 0.0173 0.3044 -0.00713 2024 3 11 60380 0.0167 0.3064 -0.00839 2024 3 12 60381 0.0162 0.3084 -0.00968 2024 3 13 60382 0.0158 0.3104 -0.01081 2024 3 14 60383 0.0153 0.3124 -0.01165 2024 3 15 60384 0.0149 0.3144 -0.01217 2024 3 16 60385 0.0146 0.3164 -0.01242 2024 3 17 60386 0.0143 0.3184 -0.01259 2024 3 18 60387 0.0140 0.3205 -0.01263 2024 3 19 60388 0.0137 0.3225 -0.01268 2024 3 20 60389 0.0135 0.3245 -0.01284 2024 3 21 60390 0.0134 0.3266 -0.01314 2024 3 22 60391 0.0132 0.3286 -0.01368 2024 3 23 60392 0.0131 0.3306 -0.01436 2024 3 24 60393 0.0131 0.3327 -0.01508 2024 3 25 60394 0.0130 0.3347 -0.01583 2024 3 26 60395 0.0130 0.3367 -0.01657 2024 3 27 60396 0.0131 0.3388 -0.01727 2024 3 28 60397 0.0132 0.3408 -0.01794 2024 3 29 60398 0.0133 0.3428 -0.01844 2024 3 30 60399 0.0134 0.3448 -0.01875 2024 3 31 60400 0.0136 0.3469 -0.01895 2024 4 1 60401 0.0138 0.3489 -0.01905 2024 4 2 60402 0.0141 0.3509 -0.01912 2024 4 3 60403 0.0144 0.3529 -0.01932 2024 4 4 60404 0.0147 0.3549 -0.01971 2024 4 5 60405 0.0151 0.3569 -0.02038 2024 4 6 60406 0.0155 0.3589 -0.02143 2024 4 7 60407 0.0159 0.3608 -0.02277 2024 4 8 60408 0.0163 0.3628 -0.02427 2024 4 9 60409 0.0168 0.3648 -0.02569 2024 4 10 60410 0.0174 0.3667 -0.02676 2024 4 11 60411 0.0179 0.3687 -0.02745 2024 4 12 60412 0.0185 0.3706 -0.02773 2024 4 13 60413 0.0192 0.3725 -0.02765 2024 4 14 60414 0.0198 0.3744 -0.02744 2024 4 15 60415 0.0205 0.3763 -0.02719 2024 4 16 60416 0.0213 0.3782 -0.02700 2024 4 17 60417 0.0220 0.3801 -0.02689 2024 4 18 60418 0.0228 0.3819 -0.02691 2024 4 19 60419 0.0236 0.3838 -0.02702 2024 4 20 60420 0.0245 0.3856 -0.02724 2024 4 21 60421 0.0254 0.3874 -0.02756 2024 4 22 60422 0.0263 0.3892 -0.02796 2024 4 23 60423 0.0272 0.3910 -0.02837 2024 4 24 60424 0.0282 0.3927 -0.02866 2024 4 25 60425 0.0292 0.3945 -0.02872 2024 4 26 60426 0.0302 0.3962 -0.02862 2024 4 27 60427 0.0313 0.3979 -0.02832 2024 4 28 60428 0.0324 0.3996 -0.02782 2024 4 29 60429 0.0335 0.4013 -0.02727 2024 4 30 60430 0.0346 0.4030 -0.02665 2024 5 1 60431 0.0358 0.4046 -0.02614 2024 5 2 60432 0.0370 0.4062 -0.02594 2024 5 3 60433 0.0382 0.4078 -0.02605 2024 5 4 60434 0.0395 0.4094 -0.02648 2024 5 5 60435 0.0408 0.4109 -0.02711 2024 5 6 60436 0.0421 0.4125 -0.02773 2024 5 7 60437 0.0434 0.4140 -0.02828 2024 5 8 60438 0.0447 0.4155 -0.02861 2024 5 9 60439 0.0461 0.4170 -0.02861 2024 5 10 60440 0.0475 0.4184 -0.02837 2024 5 11 60441 0.0489 0.4198 -0.02788 2024 5 12 60442 0.0504 0.4212 -0.02737 2024 5 13 60443 0.0519 0.4226 -0.02687 2024 5 14 60444 0.0533 0.4239 -0.02651 2024 5 15 60445 0.0548 0.4253 -0.02627 2024 5 16 60446 0.0564 0.4266 -0.02620 2024 5 17 60447 0.0579 0.4278 -0.02627 2024 5 18 60448 0.0595 0.4291 -0.02645 2024 5 19 60449 0.0611 0.4303 -0.02664 2024 5 20 60450 0.0627 0.4315 -0.02690 2024 5 21 60451 0.0643 0.4327 -0.02702 2024 5 22 60452 0.0659 0.4338 -0.02696 2024 5 23 60453 0.0676 0.4349 -0.02673 2024 5 24 60454 0.0693 0.4360 -0.02625 2024 5 25 60455 0.0710 0.4371 -0.02555 2024 5 26 60456 0.0727 0.4381 -0.02469 2024 5 27 60457 0.0744 0.4391 -0.02378 2024 5 28 60458 0.0761 0.4401 -0.02289 2024 5 29 60459 0.0779 0.4411 -0.02219 2024 5 30 60460 0.0796 0.4420 -0.02176 2024 5 31 60461 0.0814 0.4429 -0.02159 2024 6 1 60462 0.0832 0.4437 -0.02158 2024 6 2 60463 0.0850 0.4446 -0.02169 2024 6 3 60464 0.0868 0.4454 -0.02177 2024 6 4 60465 0.0886 0.4461 -0.02152 2024 6 5 60466 0.0905 0.4469 -0.02092 2024 6 6 60467 0.0923 0.4476 -0.01992 2024 6 7 60468 0.0941 0.4483 -0.01875 2024 6 8 60469 0.0960 0.4489 -0.01740 2024 6 9 60470 0.0979 0.4496 -0.01610 2024 6 10 60471 0.0997 0.4502 -0.01489 2024 6 11 60472 0.1016 0.4507 -0.01384 2024 6 12 60473 0.1035 0.4513 -0.01303 2024 6 13 60474 0.1054 0.4518 -0.01246 2024 6 14 60475 0.1073 0.4522 -0.01207 2024 6 15 60476 0.1092 0.4527 -0.01178 2024 6 16 60477 0.1111 0.4531 -0.01150 2024 6 17 60478 0.1130 0.4535 -0.01113 2024 6 18 60479 0.1149 0.4538 -0.01059 2024 6 19 60480 0.1168 0.4542 -0.00987 2024 6 20 60481 0.1187 0.4544 -0.00893 2024 6 21 60482 0.1206 0.4547 -0.00784 2024 6 22 60483 0.1226 0.4549 -0.00655 2024 6 23 60484 0.1245 0.4551 -0.00526 2024 6 24 60485 0.1264 0.4553 -0.00408 2024 6 25 60486 0.1283 0.4554 -0.00312 2024 6 26 60487 0.1302 0.4555 -0.00237 2024 6 27 60488 0.1321 0.4556 -0.00194 2024 6 28 60489 0.1340 0.4557 -0.00165 2024 6 29 60490 0.1359 0.4557 -0.00141 2024 6 30 60491 0.1378 0.4557 -0.00119 2024 7 1 60492 0.1397 0.4556 -0.00081 2024 7 2 60493 0.1416 0.4555 -0.00009 2024 7 3 60494 0.1435 0.4554 0.00098 2024 7 4 60495 0.1454 0.4553 0.00230 2024 7 5 60496 0.1472 0.4551 0.00383 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) 60109 -109.08 0.99 -9.23 0.20 60110 -109.40 0.99 -9.08 0.20 60111 -109.62 0.99 -9.09 0.20 60112 -109.67 1.03 -9.32 0.09 60113 -109.65 1.12 -9.70 0.14 60114 -109.68 1.24 -10.00 0.19 60115 -109.79 1.24 -10.08 0.19 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 60066 -105.9 -9.7 60067 -106.4 -9.4 60068 -106.8 -9.2 60069 -107.2 -9.2 60070 -107.4 -9.4 60071 -107.6 -9.6 60072 -107.7 -9.9 60073 -107.6 -10.1 60074 -107.3 -10.2 60075 -106.8 -10.2 60076 -106.3 -10.2 60077 -105.9 -10.1 60078 -105.8 -10.0 60079 -105.9 -9.9 60080 -106.2 -9.7 60081 -106.6 -9.5 60082 -107.0 -9.4 60083 -107.2 -9.3 60084 -107.3 -9.5 60085 -107.3 -9.7 60086 -107.4 -9.9 60087 -107.5 -10.0 60088 -107.5 -10.0 60089 -107.4 -10.0 60090 -107.1 -10.1 60091 -106.8 -10.2 60092 -106.5 -10.2 60093 -106.5 -10.0 60094 -106.9 -9.7 60095 -107.6 -9.5 60096 -108.3 -9.4 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 60109 0.392 0.394 -0.187 0.201 60110 0.404 0.394 -0.178 0.201 60111 0.418 0.394 -0.173 0.201 60112 0.433 0.408 -0.171 0.090 60113 0.449 0.446 -0.171 0.138 60114 0.466 0.493 -0.174 0.189 60115 0.483 0.493 -0.177 0.189 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 60066 0.45 -0.14 60067 0.44 -0.09 60068 0.39 -0.07 60069 0.34 -0.07 60070 0.32 -0.09 60071 0.31 -0.14 60072 0.32 -0.18 60073 0.34 -0.22 60074 0.36 -0.21 60075 0.38 -0.17 60076 0.41 -0.14 60077 0.42 -0.15 60078 0.44 -0.17 60079 0.45 -0.20 60080 0.44 -0.22 60081 0.41 -0.19 60082 0.36 -0.15 60083 0.32 -0.10 60084 0.30 -0.08 60085 0.29 -0.07 60086 0.29 -0.06 60087 0.30 -0.06 60088 0.32 -0.04 60089 0.35 -0.02 60090 0.38 0.00 60091 0.40 0.00 60092 0.41 -0.01 60093 0.42 -0.04 60094 0.42 -0.07 60095 0.41 -0.10 60096 0.40 -0.12