********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 16 November 2017 Vol. XXX No. 046 ______________________________________________________________________ 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 = +0.3 seconds beginning 29 Jun 2017 at 0000 UTC = +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 10 58067 0.16766 .00009 0.24802 .00009 0.271744 0.000009 17 11 11 58068 0.16632 .00009 0.24693 .00009 0.270545 0.000008 17 11 12 58069 0.16490 .00009 0.24627 .00009 0.269224 0.000007 17 11 13 58070 0.16331 .00009 0.24588 .00009 0.267798 0.000007 17 11 14 58071 0.16163 .00009 0.24538 .00009 0.266307 0.000006 17 11 15 58072 0.16001 .00009 0.24470 .00009 0.264815 0.000006 17 11 16 58073 0.15838 .00009 0.24412 .00009 0.263395 0.000005 _______________________________________________________________________ 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 = 0.1186 + 0.0703 cos A - 0.1171 sin A - 0.0277 cos C - 0.0026 sin C y = 0.3457 - 0.1036 cos A - 0.0664 sin A - 0.0026 cos C + 0.0277 sin C UT1-UTC = 0.2570 - 0.00105 (MJD - 58081) - (UT2-UT1) where A = 2*pi*(MJD-58073)/365.25 and C = 2*pi*(MJD-58073)/435. TAI-UTC(MJD 58074) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58073)**0.80 S t = 0.00025 (MJD-58073)**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 11 17 58074 0.1566 0.2436 0.26210 2017 11 18 58075 0.1547 0.2431 0.26096 2017 11 19 58076 0.1527 0.2427 0.26000 2017 11 20 58077 0.1507 0.2423 0.25920 2017 11 21 58078 0.1488 0.2420 0.25855 2017 11 22 58079 0.1468 0.2416 0.25803 2017 11 23 58080 0.1448 0.2413 0.25759 2017 11 24 58081 0.1428 0.2410 0.25713 2017 11 25 58082 0.1408 0.2407 0.25659 2017 11 26 58083 0.1389 0.2405 0.25589 2017 11 27 58084 0.1369 0.2403 0.25497 2017 11 28 58085 0.1348 0.2401 0.25384 2017 11 29 58086 0.1328 0.2398 0.25252 2017 11 30 58087 0.1308 0.2397 0.25106 2017 12 1 58088 0.1287 0.2395 0.24957 2017 12 2 58089 0.1266 0.2394 0.24812 2017 12 3 58090 0.1246 0.2393 0.24680 2017 12 4 58091 0.1226 0.2393 0.24564 2017 12 5 58092 0.1205 0.2393 0.24462 2017 12 6 58093 0.1185 0.2393 0.24367 2017 12 7 58094 0.1164 0.2394 0.24274 2017 12 8 58095 0.1144 0.2395 0.24175 2017 12 9 58096 0.1123 0.2397 0.24068 2017 12 10 58097 0.1102 0.2399 0.23953 2017 12 11 58098 0.1081 0.2401 0.23834 2017 12 12 58099 0.1061 0.2404 0.23715 2017 12 13 58100 0.1040 0.2407 0.23602 2017 12 14 58101 0.1019 0.2410 0.23499 2017 12 15 58102 0.0998 0.2413 0.23409 2017 12 16 58103 0.0977 0.2417 0.23334 2017 12 17 58104 0.0957 0.2421 0.23272 2017 12 18 58105 0.0936 0.2426 0.23222 2017 12 19 58106 0.0916 0.2431 0.23180 2017 12 20 58107 0.0895 0.2436 0.23144 2017 12 21 58108 0.0875 0.2441 0.23107 2017 12 22 58109 0.0854 0.2447 0.23064 2017 12 23 58110 0.0834 0.2452 0.23011 2017 12 24 58111 0.0814 0.2459 0.22945 2017 12 25 58112 0.0794 0.2465 0.22866 2017 12 26 58113 0.0774 0.2472 0.22774 2017 12 27 58114 0.0754 0.2479 0.22671 2017 12 28 58115 0.0734 0.2487 0.22560 2017 12 29 58116 0.0715 0.2494 0.22448 2017 12 30 58117 0.0695 0.2502 0.22341 2017 12 31 58118 0.0676 0.2511 0.22245 2018 1 1 58119 0.0657 0.2519 0.22160 2018 1 2 58120 0.0638 0.2528 0.22082 2018 1 3 58121 0.0619 0.2538 0.22005 2018 1 4 58122 0.0600 0.2547 0.21922 2018 1 5 58123 0.0581 0.2557 0.21829 2018 1 6 58124 0.0563 0.2567 0.21727 2018 1 7 58125 0.0545 0.2578 0.21618 2018 1 8 58126 0.0526 0.2588 0.21510 2018 1 9 58127 0.0509 0.2599 0.21407 2018 1 10 58128 0.0491 0.2611 0.21312 2018 1 11 58129 0.0473 0.2622 0.21230 2018 1 12 58130 0.0456 0.2634 0.21159 2018 1 13 58131 0.0439 0.2646 0.21100 2018 1 14 58132 0.0422 0.2658 0.21050 2018 1 15 58133 0.0405 0.2671 0.21007 2018 1 16 58134 0.0389 0.2683 0.20966 2018 1 17 58135 0.0372 0.2696 0.20923 2018 1 18 58136 0.0356 0.2710 0.20873 2018 1 19 58137 0.0340 0.2723 0.20813 2018 1 20 58138 0.0325 0.2737 0.20739 2018 1 21 58139 0.0310 0.2751 0.20650 2018 1 22 58140 0.0294 0.2765 0.20548 2018 1 23 58141 0.0280 0.2780 0.20433 2018 1 24 58142 0.0265 0.2794 0.20310 2018 1 25 58143 0.0251 0.2809 0.20185 2018 1 26 58144 0.0237 0.2824 0.20062 2018 1 27 58145 0.0223 0.2840 0.19945 2018 1 28 58146 0.0209 0.2855 0.19837 2018 1 29 58147 0.0196 0.2871 0.19736 2018 1 30 58148 0.0183 0.2887 0.19636 2018 1 31 58149 0.0170 0.2903 0.19528 2018 2 1 58150 0.0158 0.2919 0.19409 2018 2 2 58151 0.0146 0.2936 0.19275 2018 2 3 58152 0.0134 0.2953 0.19130 2018 2 4 58153 0.0122 0.2970 0.18980 2018 2 5 58154 0.0111 0.2987 0.18831 2018 2 6 58155 0.0100 0.3004 0.18689 2018 2 7 58156 0.0090 0.3021 0.18559 2018 2 8 58157 0.0079 0.3039 0.18441 2018 2 9 58158 0.0069 0.3057 0.18337 2018 2 10 58159 0.0059 0.3074 0.18242 2018 2 11 58160 0.0050 0.3092 0.18156 2018 2 12 58161 0.0041 0.3111 0.18074 2018 2 13 58162 0.0032 0.3129 0.17991 2018 2 14 58163 0.0024 0.3147 0.17903 2018 2 15 58164 0.0016 0.3166 0.17805 2018 2 16 58165 0.0008 0.3185 0.17694 2018 2 17 58166 0.0000 0.3204 0.17569 2018 2 18 58167 -0.0007 0.3222 0.17428 2018 2 19 58168 -0.0014 0.3242 0.17275 2018 2 20 58169 -0.0020 0.3261 0.17114 2018 2 21 58170 -0.0026 0.3280 0.16951 2018 2 22 58171 -0.0032 0.3299 0.16790 2018 2 23 58172 -0.0037 0.3319 0.16636 2018 2 24 58173 -0.0042 0.3338 0.16490 2018 2 25 58174 -0.0047 0.3358 0.16352 2018 2 26 58175 -0.0052 0.3378 0.16217 2018 2 27 58176 -0.0056 0.3397 0.16078 2018 2 28 58177 -0.0059 0.3417 0.15928 2018 3 1 58178 -0.0063 0.3437 0.15763 2018 3 2 58179 -0.0066 0.3457 0.15584 2018 3 3 58180 -0.0068 0.3477 0.15394 2018 3 4 58181 -0.0071 0.3497 0.15202 2018 3 5 58182 -0.0073 0.3517 0.15025 2018 3 6 58183 -0.0074 0.3537 0.14859 2018 3 7 58184 -0.0075 0.3557 0.14706 2018 3 8 58185 -0.0076 0.3577 0.14567 2018 3 9 58186 -0.0077 0.3597 0.14441 2018 3 10 58187 -0.0077 0.3617 0.14324 2018 3 11 58188 -0.0077 0.3638 0.14214 2018 3 12 58189 -0.0076 0.3658 0.14105 2018 3 13 58190 -0.0075 0.3678 0.13993 2018 3 14 58191 -0.0074 0.3698 0.13873 2018 3 15 58192 -0.0073 0.3718 0.13742 2018 3 16 58193 -0.0071 0.3738 0.13596 2018 3 17 58194 -0.0068 0.3758 0.13436 2018 3 18 58195 -0.0066 0.3778 0.13262 2018 3 19 58196 -0.0063 0.3798 0.13079 2018 3 20 58197 -0.0059 0.3818 0.12894 2018 3 21 58198 -0.0056 0.3838 0.12713 2018 3 22 58199 -0.0052 0.3858 0.12540 2018 3 23 58200 -0.0047 0.3878 0.12378 2018 3 24 58201 -0.0043 0.3898 0.12227 2018 3 25 58202 -0.0037 0.3917 0.12081 2018 3 26 58203 -0.0032 0.3937 0.11936 2018 3 27 58204 -0.0026 0.3957 0.11783 2018 3 28 58205 -0.0020 0.3976 0.11619 2018 3 29 58206 -0.0014 0.3995 0.11440 2018 3 30 58207 -0.0007 0.4015 0.11248 2018 3 31 58208 0.0000 0.4034 0.11051 2018 4 1 58209 0.0008 0.4053 0.10854 2018 4 2 58210 0.0016 0.4072 0.10665 2018 4 3 58211 0.0024 0.4091 0.10489 2018 4 4 58212 0.0032 0.4109 0.10328 2018 4 5 58213 0.0041 0.4128 0.10182 2018 4 6 58214 0.0050 0.4146 0.10049 2018 4 7 58215 0.0059 0.4165 0.09925 2018 4 8 58216 0.0069 0.4183 0.09807 2018 4 9 58217 0.0079 0.4201 0.09688 2018 4 10 58218 0.0090 0.4219 0.09564 2018 4 11 58219 0.0100 0.4236 0.09431 2018 4 12 58220 0.0111 0.4254 0.09286 2018 4 13 58221 0.0123 0.4271 0.09127 2018 4 14 58222 0.0134 0.4289 0.08954 2018 4 15 58223 0.0146 0.4306 0.08771 2018 4 16 58224 0.0158 0.4323 0.08583 2018 4 17 58225 0.0171 0.4339 0.08397 2018 4 18 58226 0.0184 0.4356 0.08220 2018 4 19 58227 0.0197 0.4372 0.08056 2018 4 20 58228 0.0210 0.4388 0.07906 2018 4 21 58229 0.0224 0.4404 0.07766 2018 4 22 58230 0.0237 0.4420 0.07630 2018 4 23 58231 0.0252 0.4436 0.07492 2018 4 24 58232 0.0266 0.4451 0.07345 2018 4 25 58233 0.0281 0.4466 0.07187 2018 4 26 58234 0.0296 0.4481 0.07018 2018 4 27 58235 0.0311 0.4496 0.06842 2018 4 28 58236 0.0326 0.4510 0.06665 2018 4 29 58237 0.0342 0.4524 0.06494 2018 4 30 58238 0.0358 0.4538 0.06334 2018 5 1 58239 0.0374 0.4552 0.06190 2018 5 2 58240 0.0391 0.4565 0.06061 2018 5 3 58241 0.0407 0.4579 0.05947 2018 5 4 58242 0.0424 0.4592 0.05846 2018 5 5 58243 0.0441 0.4605 0.05752 2018 5 6 58244 0.0458 0.4617 0.05661 2018 5 7 58245 0.0476 0.4629 0.05569 2018 5 8 58246 0.0494 0.4641 0.05470 2018 5 9 58247 0.0512 0.4653 0.05362 2018 5 10 58248 0.0530 0.4664 0.05241 2018 5 11 58249 0.0548 0.4676 0.05107 2018 5 12 58250 0.0566 0.4687 0.04962 2018 5 13 58251 0.0585 0.4697 0.04810 2018 5 14 58252 0.0604 0.4708 0.04655 2018 5 15 58253 0.0623 0.4718 0.04507 2018 5 16 58254 0.0642 0.4727 0.04370 2018 5 17 58255 0.0662 0.4737 0.04247 2018 5 18 58256 0.0681 0.4746 0.04135 2018 5 19 58257 0.0701 0.4755 0.04030 2018 5 20 58258 0.0720 0.4764 0.03924 2018 5 21 58259 0.0740 0.4772 0.03809 2018 5 22 58260 0.0760 0.4780 0.03683 2018 5 23 58261 0.0781 0.4788 0.03544 2018 5 24 58262 0.0801 0.4795 0.03398 2018 5 25 58263 0.0821 0.4803 0.03248 2018 5 26 58264 0.0842 0.4809 0.03103 2018 5 27 58265 0.0863 0.4816 0.02968 2018 5 28 58266 0.0883 0.4822 0.02847 2018 5 29 58267 0.0904 0.4828 0.02743 2018 5 30 58268 0.0925 0.4834 0.02655 2018 5 31 58269 0.0946 0.4839 0.02579 2018 6 1 58270 0.0967 0.4844 0.02513 2018 6 2 58271 0.0988 0.4849 0.02450 2018 6 3 58272 0.1010 0.4853 0.02388 2018 6 4 58273 0.1031 0.4857 0.02321 2018 6 5 58274 0.1052 0.4861 0.02247 2018 6 6 58275 0.1074 0.4864 0.02164 2018 6 7 58276 0.1095 0.4867 0.02071 2018 6 8 58277 0.1117 0.4870 0.01969 2018 6 9 58278 0.1138 0.4873 0.01860 2018 6 10 58279 0.1160 0.4875 0.01748 2018 6 11 58280 0.1181 0.4877 0.01638 2018 6 12 58281 0.1203 0.4878 0.01538 2018 6 13 58282 0.1224 0.4879 0.01454 2018 6 14 58283 0.1246 0.4880 0.01384 2018 6 15 58284 0.1268 0.4881 0.01326 2018 6 16 58285 0.1289 0.4881 0.01272 2018 6 17 58286 0.1311 0.4881 0.01215 2018 6 18 58287 0.1332 0.4880 0.01150 2018 6 19 58288 0.1354 0.4880 0.01077 2018 6 20 58289 0.1375 0.4879 0.00996 2018 6 21 58290 0.1397 0.4877 0.00914 2018 6 22 58291 0.1418 0.4875 0.00835 2018 6 23 58292 0.1440 0.4873 0.00761 2018 6 24 58293 0.1461 0.4871 0.00695 2018 6 25 58294 0.1482 0.4868 0.00640 2018 6 26 58295 0.1503 0.4865 0.00601 2018 6 27 58296 0.1524 0.4862 0.00574 2018 6 28 58297 0.1546 0.4859 0.00559 2018 6 29 58298 0.1566 0.4855 0.00551 2018 6 30 58299 0.1587 0.4850 0.00547 2018 7 1 58300 0.1608 0.4846 0.00532 2018 7 2 58301 0.1629 0.4841 0.00505 2018 7 3 58302 0.1649 0.4836 0.00468 2018 7 4 58303 0.1670 0.4831 0.00424 2018 7 5 58304 0.1690 0.4825 0.00377 2018 7 6 58305 0.1710 0.4819 0.00323 2018 7 7 58306 0.1730 0.4812 0.00266 2018 7 8 58307 0.1750 0.4806 0.00215 2018 7 9 58308 0.1770 0.4799 0.00180 2018 7 10 58309 0.1790 0.4792 0.00158 2018 7 11 58310 0.1809 0.4784 0.00143 2018 7 12 58311 0.1829 0.4776 0.00136 2018 7 13 58312 0.1848 0.4768 0.00133 2018 7 14 58313 0.1867 0.4760 0.00127 2018 7 15 58314 0.1886 0.4751 0.00117 2018 7 16 58315 0.1905 0.4742 0.00092 2018 7 17 58316 0.1923 0.4733 0.00057 2018 7 18 58317 0.1942 0.4724 0.00013 2018 7 19 58318 0.1960 0.4714 -0.00031 2018 7 20 58319 0.1978 0.4704 -0.00064 2018 7 21 58320 0.1996 0.4694 -0.00084 2018 7 22 58321 0.2013 0.4683 -0.00092 2018 7 23 58322 0.2030 0.4672 -0.00083 2018 7 24 58323 0.2048 0.4661 -0.00059 2018 7 25 58324 0.2065 0.4650 -0.00031 2018 7 26 58325 0.2081 0.4638 0.00002 2018 7 27 58326 0.2098 0.4626 0.00036 2018 7 28 58327 0.2114 0.4614 0.00059 2018 7 29 58328 0.2130 0.4602 0.00078 2018 7 30 58329 0.2146 0.4590 0.00089 2018 7 31 58330 0.2162 0.4577 0.00089 2018 8 1 58331 0.2177 0.4564 0.00080 2018 8 2 58332 0.2192 0.4551 0.00062 2018 8 3 58333 0.2207 0.4537 0.00037 2018 8 4 58334 0.2221 0.4524 0.00007 2018 8 5 58335 0.2236 0.4510 -0.00027 2018 8 6 58336 0.2250 0.4496 -0.00061 2018 8 7 58337 0.2263 0.4482 -0.00088 2018 8 8 58338 0.2277 0.4467 -0.00101 2018 8 9 58339 0.2290 0.4453 -0.00108 2018 8 10 58340 0.2303 0.4438 -0.00117 2018 8 11 58341 0.2316 0.4423 -0.00140 2018 8 12 58342 0.2328 0.4407 -0.00181 2018 8 13 58343 0.2340 0.4392 -0.00237 2018 8 14 58344 0.2352 0.4377 -0.00299 2018 8 15 58345 0.2364 0.4361 -0.00364 2018 8 16 58346 0.2375 0.4345 -0.00421 2018 8 17 58347 0.2386 0.4329 -0.00461 2018 8 18 58348 0.2396 0.4313 -0.00483 2018 8 19 58349 0.2407 0.4296 -0.00493 2018 8 20 58350 0.2417 0.4280 -0.00490 2018 8 21 58351 0.2426 0.4263 -0.00475 2018 8 22 58352 0.2436 0.4246 -0.00453 2018 8 23 58353 0.2445 0.4230 -0.00436 2018 8 24 58354 0.2454 0.4213 -0.00427 2018 8 25 58355 0.2462 0.4195 -0.00434 2018 8 26 58356 0.2470 0.4178 -0.00451 2018 8 27 58357 0.2478 0.4161 -0.00483 2018 8 28 58358 0.2486 0.4143 -0.00533 2018 8 29 58359 0.2493 0.4126 -0.00598 2018 8 30 58360 0.2500 0.4108 -0.00677 2018 8 31 58361 0.2506 0.4090 -0.00772 2018 9 1 58362 0.2512 0.4072 -0.00871 2018 9 2 58363 0.2518 0.4054 -0.00968 2018 9 3 58364 0.2524 0.4036 -0.01057 2018 9 4 58365 0.2529 0.4018 -0.01138 2018 9 5 58366 0.2534 0.4000 -0.01213 2018 9 6 58367 0.2538 0.3982 -0.01287 2018 9 7 58368 0.2542 0.3964 -0.01367 2018 9 8 58369 0.2546 0.3945 -0.01460 2018 9 9 58370 0.2550 0.3927 -0.01570 2018 9 10 58371 0.2553 0.3908 -0.01695 2018 9 11 58372 0.2556 0.3890 -0.01829 2018 9 12 58373 0.2558 0.3871 -0.01958 2018 9 13 58374 0.2560 0.3853 -0.02077 2018 9 14 58375 0.2562 0.3834 -0.02178 2018 9 15 58376 0.2564 0.3816 -0.02262 2018 9 16 58377 0.2565 0.3797 -0.02329 2018 9 17 58378 0.2566 0.3779 -0.02385 2018 9 18 58379 0.2566 0.3760 -0.02433 2018 9 19 58380 0.2566 0.3742 -0.02482 2018 9 20 58381 0.2566 0.3723 -0.02534 2018 9 21 58382 0.2566 0.3704 -0.02596 2018 9 22 58383 0.2565 0.3686 -0.02669 2018 9 23 58384 0.2564 0.3667 -0.02759 2018 9 24 58385 0.2562 0.3649 -0.02864 2018 9 25 58386 0.2560 0.3631 -0.02984 2018 9 26 58387 0.2558 0.3612 -0.03117 2018 9 27 58388 0.2555 0.3594 -0.03254 2018 9 28 58389 0.2552 0.3575 -0.03387 2018 9 29 58390 0.2549 0.3557 -0.03510 2018 9 30 58391 0.2546 0.3539 -0.03626 2018 10 1 58392 0.2542 0.3521 -0.03735 2018 10 2 58393 0.2538 0.3503 -0.03845 2018 10 3 58394 0.2533 0.3485 -0.03957 2018 10 4 58395 0.2528 0.3467 -0.04077 2018 10 5 58396 0.2523 0.3449 -0.04208 2018 10 6 58397 0.2518 0.3432 -0.04359 2018 10 7 58398 0.2512 0.3414 -0.04526 2018 10 8 58399 0.2506 0.3396 -0.04707 2018 10 9 58400 0.2499 0.3379 -0.04896 2018 10 10 58401 0.2493 0.3362 -0.05081 2018 10 11 58402 0.2486 0.3345 -0.05253 2018 10 12 58403 0.2478 0.3327 -0.05407 2018 10 13 58404 0.2471 0.3310 -0.05545 2018 10 14 58405 0.2463 0.3294 -0.05670 2018 10 15 58406 0.2455 0.3277 -0.05778 2018 10 16 58407 0.2446 0.3260 -0.05879 2018 10 17 58408 0.2437 0.3244 -0.05981 2018 10 18 58409 0.2428 0.3228 -0.06086 2018 10 19 58410 0.2419 0.3212 -0.06197 2018 10 20 58411 0.2409 0.3196 -0.06323 2018 10 21 58412 0.2399 0.3180 -0.06461 2018 10 22 58413 0.2389 0.3164 -0.06610 2018 10 23 58414 0.2379 0.3149 -0.06771 2018 10 24 58415 0.2368 0.3134 -0.06936 2018 10 25 58416 0.2357 0.3118 -0.07104 2018 10 26 58417 0.2345 0.3103 -0.07267 2018 10 27 58418 0.2334 0.3089 -0.07419 2018 10 28 58419 0.2322 0.3074 -0.07557 2018 10 29 58420 0.2310 0.3060 -0.07682 2018 10 30 58421 0.2298 0.3046 -0.07803 2018 10 31 58422 0.2285 0.3032 -0.07927 2018 11 1 58423 0.2272 0.3018 -0.08065 2018 11 2 58424 0.2259 0.3004 -0.08221 2018 11 3 58425 0.2246 0.2991 -0.08391 2018 11 4 58426 0.2233 0.2978 -0.08568 2018 11 5 58427 0.2219 0.2965 -0.08752 2018 11 6 58428 0.2205 0.2952 -0.08941 2018 11 7 58429 0.2191 0.2940 -0.09122 2018 11 8 58430 0.2176 0.2927 -0.09291 2018 11 9 58431 0.2162 0.2915 -0.09444 2018 11 10 58432 0.2147 0.2903 -0.09577 2018 11 11 58433 0.2132 0.2892 -0.09697 2018 11 12 58434 0.2117 0.2881 -0.09810 2018 11 13 58435 0.2102 0.2869 -0.09923 2018 11 14 58436 0.2086 0.2859 -0.10043 2018 11 15 58437 0.2071 0.2848 -0.10168 2018 11 16 58438 0.2055 0.2838 -0.10308 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) 58051 -106.88 0.30 -11.05 0.02 58052 -106.58 0.30 -10.97 0.02 58053 -106.62 0.30 -10.89 0.02 58054 -106.74 0.30 -10.85 0.02 58055 -106.69 0.30 -10.81 0.02 58056 -106.52 0.30 -10.74 0.02 58057 -106.44 0.30 -10.61 0.02 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58051 0.325 0.119 0.027 0.020 58052 0.346 0.119 0.063 0.020 58053 0.351 0.119 0.068 0.020 58054 0.355 0.119 0.038 0.020 58055 0.360 0.119 0.026 0.020 58056 0.359 0.119 0.040 0.020 58057 0.346 0.119 0.056 0.020 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).