********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 30 November 2017 Vol. XXX No. 048 ______________________________________________________________________ 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 30 Nov 2017 at 0000 UTC Beginning 1 January 2017: TAI-UTC = 37.000 000 seconds *********************************************************************** * * * Please note that daily and Bulletin A EOP data can be obtained from * * the primary Earth Orientation (EO) servers at: * * http://maia.usno.navy.mil ftp://maia.usno.navy.mil * * and from the backup EO server at: * * http://toshi.nofs.navy.mil ftp://toshi.nofs.navy.mil * * * * An additional backup mirror of the daily and Bulletin A EOP data * * is now hosted by NASA's Archive of Space Geodesy Data server at: * * ftp://cddis.gsfc.nasa.gov/pub/products/iers * * Daily EOP data will be uploaded here at 18:00 UTC, and * * Bulletin A EOP data should be available by 20:00 UTC. * * * * We are currently not able to receive email at * * ser7@maia.usno.navy.mil. Questions and enquiries can now be * * directed to the following email account: navobsy_eop.fct@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 17 11 24 58081 0.13952 .00009 0.23828 .00009 0.256436 0.000017 17 11 25 58082 0.13706 .00009 0.23789 .00009 0.255710 0.000022 17 11 26 58083 0.13525 .00009 0.23744 .00009 0.254922 0.000018 17 11 27 58084 0.13343 .00009 0.23705 .00009 0.253974 0.000015 17 11 28 58085 0.13117 .00009 0.23684 .00009 0.252822 0.000018 17 11 29 58086 0.12878 .00009 0.23695 .00009 0.251478 0.000016 17 11 30 58087 0.12636 .00009 0.23714 .00009 0.250000 0.000014 _______________________________________________________________________ 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 = 0.1127 + 0.0450 cos A - 0.1261 sin A - 0.0299 cos C - 0.0030 sin C y = 0.3476 - 0.1134 cos A - 0.0448 sin A - 0.0030 cos C + 0.0299 sin C UT1-UTC = 0.2437 - 0.00104 (MJD - 58095) - (UT2-UT1) where A = 2*pi*(MJD-58087)/365.25 and C = 2*pi*(MJD-58087)/435. TAI-UTC(MJD 58088) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58087)**0.80 S t = 0.00025 (MJD-58087)**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) 2017 12 1 58088 0.1240 0.2373 0.24846 2017 12 2 58089 0.1216 0.2373 0.24694 2017 12 3 58090 0.1195 0.2372 0.24553 2017 12 4 58091 0.1173 0.2371 0.24426 2017 12 5 58092 0.1152 0.2371 0.24311 2017 12 6 58093 0.1131 0.2372 0.24202 2017 12 7 58094 0.1109 0.2374 0.24092 2017 12 8 58095 0.1087 0.2375 0.23978 2017 12 9 58096 0.1065 0.2377 0.23856 2017 12 10 58097 0.1043 0.2379 0.23727 2017 12 11 58098 0.1021 0.2381 0.23596 2017 12 12 58099 0.1000 0.2383 0.23468 2017 12 13 58100 0.0978 0.2386 0.23346 2017 12 14 58101 0.0957 0.2390 0.23237 2017 12 15 58102 0.0936 0.2393 0.23143 2017 12 16 58103 0.0915 0.2397 0.23064 2017 12 17 58104 0.0894 0.2401 0.22997 2017 12 18 58105 0.0873 0.2406 0.22941 2017 12 19 58106 0.0852 0.2412 0.22890 2017 12 20 58107 0.0831 0.2417 0.22841 2017 12 21 58108 0.0810 0.2423 0.22789 2017 12 22 58109 0.0789 0.2429 0.22731 2017 12 23 58110 0.0768 0.2435 0.22665 2017 12 24 58111 0.0748 0.2442 0.22587 2017 12 25 58112 0.0728 0.2449 0.22497 2017 12 26 58113 0.0707 0.2456 0.22396 2017 12 27 58114 0.0687 0.2464 0.22284 2017 12 28 58115 0.0667 0.2472 0.22167 2017 12 29 58116 0.0648 0.2480 0.22049 2017 12 30 58117 0.0628 0.2489 0.21937 2017 12 31 58118 0.0608 0.2498 0.21835 2018 1 1 58119 0.0589 0.2507 0.21743 2018 1 2 58120 0.0570 0.2516 0.21658 2018 1 3 58121 0.0551 0.2526 0.21575 2018 1 4 58122 0.0532 0.2536 0.21486 2018 1 5 58123 0.0513 0.2546 0.21389 2018 1 6 58124 0.0494 0.2557 0.21284 2018 1 7 58125 0.0476 0.2568 0.21175 2018 1 8 58126 0.0458 0.2579 0.21067 2018 1 9 58127 0.0440 0.2590 0.20965 2018 1 10 58128 0.0422 0.2602 0.20874 2018 1 11 58129 0.0405 0.2614 0.20796 2018 1 12 58130 0.0387 0.2626 0.20730 2018 1 13 58131 0.0370 0.2639 0.20675 2018 1 14 58132 0.0353 0.2652 0.20630 2018 1 15 58133 0.0337 0.2665 0.20593 2018 1 16 58134 0.0320 0.2678 0.20558 2018 1 17 58135 0.0304 0.2692 0.20523 2018 1 18 58136 0.0288 0.2706 0.20481 2018 1 19 58137 0.0272 0.2720 0.20429 2018 1 20 58138 0.0257 0.2734 0.20365 2018 1 21 58139 0.0241 0.2749 0.20287 2018 1 22 58140 0.0226 0.2763 0.20196 2018 1 23 58141 0.0212 0.2778 0.20095 2018 1 24 58142 0.0197 0.2794 0.19986 2018 1 25 58143 0.0183 0.2809 0.19876 2018 1 26 58144 0.0169 0.2825 0.19768 2018 1 27 58145 0.0155 0.2841 0.19668 2018 1 28 58146 0.0142 0.2857 0.19576 2018 1 29 58147 0.0129 0.2873 0.19492 2018 1 30 58148 0.0116 0.2890 0.19409 2018 1 31 58149 0.0103 0.2907 0.19321 2018 2 1 58150 0.0091 0.2924 0.19221 2018 2 2 58151 0.0079 0.2941 0.19108 2018 2 3 58152 0.0068 0.2958 0.18984 2018 2 4 58153 0.0056 0.2976 0.18854 2018 2 5 58154 0.0045 0.2993 0.18726 2018 2 6 58155 0.0034 0.3011 0.18605 2018 2 7 58156 0.0024 0.3029 0.18494 2018 2 8 58157 0.0014 0.3048 0.18395 2018 2 9 58158 0.0004 0.3066 0.18307 2018 2 10 58159 -0.0005 0.3084 0.18229 2018 2 11 58160 -0.0014 0.3103 0.18158 2018 2 12 58161 -0.0023 0.3122 0.18090 2018 2 13 58162 -0.0032 0.3141 0.18020 2018 2 14 58163 -0.0040 0.3160 0.17944 2018 2 15 58164 -0.0048 0.3179 0.17858 2018 2 16 58165 -0.0055 0.3199 0.17759 2018 2 17 58166 -0.0062 0.3218 0.17645 2018 2 18 58167 -0.0069 0.3238 0.17517 2018 2 19 58168 -0.0075 0.3257 0.17377 2018 2 20 58169 -0.0081 0.3277 0.17229 2018 2 21 58170 -0.0087 0.3297 0.17078 2018 2 22 58171 -0.0093 0.3317 0.16929 2018 2 23 58172 -0.0098 0.3337 0.16787 2018 2 24 58173 -0.0102 0.3357 0.16653 2018 2 25 58174 -0.0107 0.3377 0.16526 2018 2 26 58175 -0.0111 0.3398 0.16402 2018 2 27 58176 -0.0114 0.3418 0.16274 2018 2 28 58177 -0.0117 0.3439 0.16136 2018 3 1 58178 -0.0120 0.3459 0.15983 2018 3 2 58179 -0.0123 0.3480 0.15815 2018 3 3 58180 -0.0125 0.3500 0.15637 2018 3 4 58181 -0.0127 0.3521 0.15456 2018 3 5 58182 -0.0128 0.3542 0.15280 2018 3 6 58183 -0.0129 0.3562 0.15113 2018 3 7 58184 -0.0130 0.3583 0.14960 2018 3 8 58185 -0.0130 0.3604 0.14821 2018 3 9 58186 -0.0130 0.3625 0.14694 2018 3 10 58187 -0.0130 0.3645 0.14576 2018 3 11 58188 -0.0129 0.3666 0.14464 2018 3 12 58189 -0.0128 0.3687 0.14352 2018 3 13 58190 -0.0127 0.3708 0.14237 2018 3 14 58191 -0.0125 0.3729 0.14113 2018 3 15 58192 -0.0123 0.3749 0.13976 2018 3 16 58193 -0.0120 0.3770 0.13826 2018 3 17 58194 -0.0117 0.3791 0.13660 2018 3 18 58195 -0.0114 0.3811 0.13480 2018 3 19 58196 -0.0110 0.3832 0.13303 2018 3 20 58197 -0.0106 0.3853 0.13122 2018 3 21 58198 -0.0102 0.3873 0.12946 2018 3 22 58199 -0.0097 0.3894 0.12779 2018 3 23 58200 -0.0092 0.3914 0.12622 2018 3 24 58201 -0.0087 0.3934 0.12476 2018 3 25 58202 -0.0081 0.3955 0.12336 2018 3 26 58203 -0.0075 0.3975 0.12196 2018 3 27 58204 -0.0068 0.3995 0.12049 2018 3 28 58205 -0.0062 0.4015 0.11890 2018 3 29 58206 -0.0054 0.4035 0.11717 2018 3 30 58207 -0.0047 0.4055 0.11531 2018 3 31 58208 -0.0039 0.4074 0.11339 2018 4 1 58209 -0.0031 0.4094 0.11147 2018 4 2 58210 -0.0022 0.4113 0.10964 2018 4 3 58211 -0.0013 0.4133 0.10793 2018 4 4 58212 -0.0004 0.4152 0.10636 2018 4 5 58213 0.0005 0.4171 0.10495 2018 4 6 58214 0.0015 0.4190 0.10367 2018 4 7 58215 0.0026 0.4209 0.10247 2018 4 8 58216 0.0036 0.4227 0.10133 2018 4 9 58217 0.0047 0.4246 0.10018 2018 4 10 58218 0.0058 0.4264 0.09899 2018 4 11 58219 0.0070 0.4282 0.09770 2018 4 12 58220 0.0082 0.4301 0.09628 2018 4 13 58221 0.0094 0.4318 0.09473 2018 4 14 58222 0.0106 0.4336 0.09304 2018 4 15 58223 0.0119 0.4354 0.09125 2018 4 16 58224 0.0132 0.4371 0.08940 2018 4 17 58225 0.0145 0.4388 0.08758 2018 4 18 58226 0.0159 0.4405 0.08584 2018 4 19 58227 0.0173 0.4422 0.08424 2018 4 20 58228 0.0187 0.4438 0.08277 2018 4 21 58229 0.0202 0.4455 0.08140 2018 4 22 58230 0.0217 0.4471 0.08008 2018 4 23 58231 0.0232 0.4487 0.07872 2018 4 24 58232 0.0247 0.4502 0.07729 2018 4 25 58233 0.0263 0.4518 0.07574 2018 4 26 58234 0.0279 0.4533 0.07408 2018 4 27 58235 0.0295 0.4548 0.07235 2018 4 28 58236 0.0311 0.4563 0.07061 2018 4 29 58237 0.0328 0.4577 0.06893 2018 4 30 58238 0.0345 0.4591 0.06736 2018 5 1 58239 0.0362 0.4605 0.06595 2018 5 2 58240 0.0379 0.4619 0.06469 2018 5 3 58241 0.0397 0.4633 0.06359 2018 5 4 58242 0.0415 0.4646 0.06260 2018 5 5 58243 0.0433 0.4659 0.06170 2018 5 6 58244 0.0451 0.4672 0.06083 2018 5 7 58245 0.0470 0.4684 0.05994 2018 5 8 58246 0.0489 0.4696 0.05899 2018 5 9 58247 0.0508 0.4708 0.05794 2018 5 10 58248 0.0527 0.4720 0.05678 2018 5 11 58249 0.0546 0.4731 0.05548 2018 5 12 58250 0.0566 0.4742 0.05407 2018 5 13 58251 0.0585 0.4753 0.05259 2018 5 14 58252 0.0605 0.4764 0.05109 2018 5 15 58253 0.0625 0.4774 0.04966 2018 5 16 58254 0.0645 0.4784 0.04835 2018 5 17 58255 0.0666 0.4793 0.04719 2018 5 18 58256 0.0686 0.4803 0.04617 2018 5 19 58257 0.0707 0.4812 0.04522 2018 5 20 58258 0.0728 0.4820 0.04428 2018 5 21 58259 0.0749 0.4829 0.04328 2018 5 22 58260 0.0770 0.4837 0.04219 2018 5 23 58261 0.0791 0.4844 0.04102 2018 5 24 58262 0.0813 0.4852 0.03978 2018 5 25 58263 0.0834 0.4859 0.03854 2018 5 26 58264 0.0856 0.4866 0.03735 2018 5 27 58265 0.0878 0.4872 0.03626 2018 5 28 58266 0.0899 0.4878 0.03532 2018 5 29 58267 0.0921 0.4884 0.03454 2018 5 30 58268 0.0943 0.4890 0.03392 2018 5 31 58269 0.0965 0.4895 0.03342 2018 6 1 58270 0.0988 0.4900 0.03303 2018 6 2 58271 0.1010 0.4904 0.03269 2018 6 3 58272 0.1032 0.4908 0.03234 2018 6 4 58273 0.1055 0.4912 0.03195 2018 6 5 58274 0.1077 0.4916 0.03146 2018 6 6 58275 0.1099 0.4919 0.03085 2018 6 7 58276 0.1122 0.4922 0.03011 2018 6 8 58277 0.1145 0.4924 0.02924 2018 6 9 58278 0.1167 0.4927 0.02826 2018 6 10 58279 0.1190 0.4928 0.02722 2018 6 11 58280 0.1212 0.4930 0.02618 2018 6 12 58281 0.1235 0.4931 0.02524 2018 6 13 58282 0.1258 0.4932 0.02442 2018 6 14 58283 0.1280 0.4933 0.02373 2018 6 15 58284 0.1303 0.4933 0.02314 2018 6 16 58285 0.1326 0.4933 0.02255 2018 6 17 58286 0.1348 0.4932 0.02188 2018 6 18 58287 0.1371 0.4931 0.02109 2018 6 19 58288 0.1394 0.4930 0.02017 2018 6 20 58289 0.1416 0.4929 0.01915 2018 6 21 58290 0.1439 0.4927 0.01809 2018 6 22 58291 0.1461 0.4925 0.01707 2018 6 23 58292 0.1483 0.4922 0.01615 2018 6 24 58293 0.1506 0.4919 0.01538 2018 6 25 58294 0.1528 0.4916 0.01478 2018 6 26 58295 0.1550 0.4913 0.01436 2018 6 27 58296 0.1572 0.4909 0.01409 2018 6 28 58297 0.1594 0.4905 0.01393 2018 6 29 58298 0.1616 0.4900 0.01383 2018 6 30 58299 0.1638 0.4895 0.01375 2018 7 1 58300 0.1660 0.4890 0.01363 2018 7 2 58301 0.1682 0.4885 0.01341 2018 7 3 58302 0.1703 0.4879 0.01309 2018 7 4 58303 0.1725 0.4873 0.01265 2018 7 5 58304 0.1746 0.4866 0.01212 2018 7 6 58305 0.1767 0.4860 0.01149 2018 7 7 58306 0.1788 0.4853 0.01082 2018 7 8 58307 0.1809 0.4845 0.01017 2018 7 9 58308 0.1830 0.4837 0.00960 2018 7 10 58309 0.1850 0.4829 0.00913 2018 7 11 58310 0.1871 0.4821 0.00872 2018 7 12 58311 0.1891 0.4813 0.00837 2018 7 13 58312 0.1911 0.4804 0.00811 2018 7 14 58313 0.1931 0.4795 0.00786 2018 7 15 58314 0.1951 0.4785 0.00754 2018 7 16 58315 0.1971 0.4775 0.00705 2018 7 17 58316 0.1990 0.4765 0.00644 2018 7 18 58317 0.2009 0.4755 0.00580 2018 7 19 58318 0.2028 0.4744 0.00519 2018 7 20 58319 0.2047 0.4733 0.00464 2018 7 21 58320 0.2066 0.4722 0.00417 2018 7 22 58321 0.2084 0.4711 0.00375 2018 7 23 58322 0.2102 0.4699 0.00348 2018 7 24 58323 0.2120 0.4687 0.00333 2018 7 25 58324 0.2138 0.4675 0.00327 2018 7 26 58325 0.2155 0.4662 0.00328 2018 7 27 58326 0.2173 0.4649 0.00332 2018 7 28 58327 0.2190 0.4636 0.00335 2018 7 29 58328 0.2206 0.4623 0.00321 2018 7 30 58329 0.2223 0.4609 0.00293 2018 7 31 58330 0.2239 0.4595 0.00251 2018 8 1 58331 0.2255 0.4581 0.00203 2018 8 2 58332 0.2271 0.4567 0.00152 2018 8 3 58333 0.2286 0.4553 0.00095 2018 8 4 58334 0.2302 0.4538 0.00040 2018 8 5 58335 0.2317 0.4523 -0.00007 2018 8 6 58336 0.2331 0.4508 -0.00037 2018 8 7 58337 0.2346 0.4492 -0.00054 2018 8 8 58338 0.2360 0.4477 -0.00067 2018 8 9 58339 0.2374 0.4461 -0.00079 2018 8 10 58340 0.2387 0.4445 -0.00094 2018 8 11 58341 0.2400 0.4429 -0.00118 2018 8 12 58342 0.2413 0.4412 -0.00152 2018 8 13 58343 0.2426 0.4396 -0.00204 2018 8 14 58344 0.2438 0.4379 -0.00267 2018 8 15 58345 0.2450 0.4362 -0.00336 2018 8 16 58346 0.2462 0.4345 -0.00402 2018 8 17 58347 0.2473 0.4328 -0.00455 2018 8 18 58348 0.2484 0.4310 -0.00493 2018 8 19 58349 0.2495 0.4292 -0.00517 2018 8 20 58350 0.2506 0.4275 -0.00527 2018 8 21 58351 0.2516 0.4257 -0.00525 2018 8 22 58352 0.2525 0.4239 -0.00522 2018 8 23 58353 0.2535 0.4220 -0.00519 2018 8 24 58354 0.2544 0.4202 -0.00520 2018 8 25 58355 0.2553 0.4184 -0.00535 2018 8 26 58356 0.2561 0.4165 -0.00559 2018 8 27 58357 0.2569 0.4146 -0.00594 2018 8 28 58358 0.2577 0.4127 -0.00640 2018 8 29 58359 0.2585 0.4108 -0.00695 2018 8 30 58360 0.2592 0.4089 -0.00757 2018 8 31 58361 0.2598 0.4070 -0.00823 2018 9 1 58362 0.2605 0.4051 -0.00889 2018 9 2 58363 0.2611 0.4031 -0.00956 2018 9 3 58364 0.2617 0.4012 -0.01021 2018 9 4 58365 0.2622 0.3992 -0.01079 2018 9 5 58366 0.2627 0.3973 -0.01127 2018 9 6 58367 0.2632 0.3953 -0.01174 2018 9 7 58368 0.2636 0.3933 -0.01230 2018 9 8 58369 0.2640 0.3914 -0.01305 2018 9 9 58370 0.2644 0.3894 -0.01400 2018 9 10 58371 0.2647 0.3874 -0.01510 2018 9 11 58372 0.2650 0.3854 -0.01624 2018 9 12 58373 0.2652 0.3834 -0.01739 2018 9 13 58374 0.2654 0.3814 -0.01842 2018 9 14 58375 0.2656 0.3794 -0.01926 2018 9 15 58376 0.2658 0.3774 -0.01990 2018 9 16 58377 0.2659 0.3754 -0.02043 2018 9 17 58378 0.2659 0.3734 -0.02084 2018 9 18 58379 0.2660 0.3714 -0.02115 2018 9 19 58380 0.2660 0.3694 -0.02142 2018 9 20 58381 0.2660 0.3674 -0.02177 2018 9 21 58382 0.2659 0.3654 -0.02224 2018 9 22 58383 0.2658 0.3634 -0.02289 2018 9 23 58384 0.2656 0.3614 -0.02367 2018 9 24 58385 0.2655 0.3594 -0.02460 2018 9 25 58386 0.2653 0.3574 -0.02569 2018 9 26 58387 0.2650 0.3554 -0.02692 2018 9 27 58388 0.2647 0.3534 -0.02826 2018 9 28 58389 0.2644 0.3514 -0.02971 2018 9 29 58390 0.2641 0.3494 -0.03115 2018 9 30 58391 0.2637 0.3475 -0.03253 2018 10 1 58392 0.2633 0.3455 -0.03380 2018 10 2 58393 0.2628 0.3436 -0.03500 2018 10 3 58394 0.2623 0.3416 -0.03617 2018 10 4 58395 0.2618 0.3397 -0.03737 2018 10 5 58396 0.2612 0.3377 -0.03866 2018 10 6 58397 0.2607 0.3358 -0.04010 2018 10 7 58398 0.2600 0.3339 -0.04170 2018 10 8 58399 0.2594 0.3320 -0.04341 2018 10 9 58400 0.2587 0.3301 -0.04517 2018 10 10 58401 0.2580 0.3282 -0.04684 2018 10 11 58402 0.2572 0.3264 -0.04836 2018 10 12 58403 0.2564 0.3245 -0.04970 2018 10 13 58404 0.2556 0.3227 -0.05085 2018 10 14 58405 0.2548 0.3209 -0.05184 2018 10 15 58406 0.2539 0.3190 -0.05272 2018 10 16 58407 0.2530 0.3172 -0.05355 2018 10 17 58408 0.2520 0.3155 -0.05440 2018 10 18 58409 0.2510 0.3137 -0.05530 2018 10 19 58410 0.2500 0.3119 -0.05631 2018 10 20 58411 0.2490 0.3102 -0.05745 2018 10 21 58412 0.2479 0.3085 -0.05876 2018 10 22 58413 0.2468 0.3068 -0.06021 2018 10 23 58414 0.2457 0.3051 -0.06178 2018 10 24 58415 0.2446 0.3034 -0.06345 2018 10 25 58416 0.2434 0.3017 -0.06512 2018 10 26 58417 0.2422 0.3001 -0.06669 2018 10 27 58418 0.2409 0.2985 -0.06812 2018 10 28 58419 0.2397 0.2969 -0.06946 2018 10 29 58420 0.2384 0.2953 -0.07071 2018 10 30 58421 0.2371 0.2938 -0.07198 2018 10 31 58422 0.2357 0.2922 -0.07331 2018 11 1 58423 0.2343 0.2907 -0.07474 2018 11 2 58424 0.2329 0.2892 -0.07630 2018 11 3 58425 0.2315 0.2878 -0.07802 2018 11 4 58426 0.2301 0.2863 -0.07987 2018 11 5 58427 0.2286 0.2849 -0.08178 2018 11 6 58428 0.2271 0.2835 -0.08372 2018 11 7 58429 0.2256 0.2821 -0.08558 2018 11 8 58430 0.2241 0.2808 -0.08727 2018 11 9 58431 0.2225 0.2794 -0.08877 2018 11 10 58432 0.2209 0.2781 -0.09011 2018 11 11 58433 0.2193 0.2769 -0.09134 2018 11 12 58434 0.2177 0.2756 -0.09241 2018 11 13 58435 0.2160 0.2744 -0.09344 2018 11 14 58436 0.2144 0.2732 -0.09449 2018 11 15 58437 0.2127 0.2720 -0.09559 2018 11 16 58438 0.2110 0.2708 -0.09675 2018 11 17 58439 0.2093 0.2697 -0.09807 2018 11 18 58440 0.2075 0.2686 -0.09948 2018 11 19 58441 0.2058 0.2675 -0.10099 2018 11 20 58442 0.2040 0.2665 -0.10259 2018 11 21 58443 0.2022 0.2655 -0.10421 2018 11 22 58444 0.2004 0.2645 -0.10581 2018 11 23 58445 0.1986 0.2635 -0.10733 2018 11 24 58446 0.1967 0.2626 -0.10871 2018 11 25 58447 0.1949 0.2617 -0.10995 2018 11 26 58448 0.1930 0.2608 -0.11108 2018 11 27 58449 0.1911 0.2600 -0.11221 2018 11 28 58450 0.1893 0.2592 -0.11341 2018 11 29 58451 0.1874 0.2584 -0.11477 2018 11 30 58452 0.1854 0.2576 -0.11631 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) 58065 -106.35 0.10 -9.93 0.03 58066 -106.30 0.10 -9.70 0.03 58067 -106.20 0.10 -9.59 0.03 58068 -106.07 0.19 -9.60 0.15 58069 -105.91 0.19 -9.66 0.15 58070 -105.74 0.19 -9.71 0.15 58071 -105.62 0.30 -9.77 0.15 58072 -105.60 0.30 -9.79 0.15 58073 -105.66 0.30 -9.74 0.15 58074 -105.70 0.30 -9.64 0.15 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58065 0.347 0.040 0.121 0.030 58066 0.349 0.040 0.123 0.030 58067 0.351 0.040 0.145 0.030 58068 0.351 0.076 0.161 0.150 58069 0.345 0.076 0.150 0.150 58070 0.332 0.076 0.140 0.150 58071 0.318 0.119 0.105 0.150 58072 0.313 0.119 0.059 0.150 58073 0.312 0.119 -0.005 0.150 58074 0.310 0.119 -0.065 0.150 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).