********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 3 November 2016 Vol. XXIX No. 044 ______________________________________________________________________ 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 01 Sep 2016 at 0000 UTC = -0.4 seconds beginning 17 Nov 2016 at 0000 UTC Beginning 1 July 2015: TAI-UTC = 36.000 000 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 by available by 20:00 UTC. * * * * A positive leap second WILL be introduced in UTC on 31 Dec 2016. * * * * 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 16 10 28 57689 0.19494 .00009 0.28678 .00009 -0.318036 0.000006 16 10 29 57690 0.19305 .00009 0.28553 .00009 -0.319543 0.000007 16 10 30 57691 0.19155 .00009 0.28454 .00009 -0.321038 0.000005 16 10 31 57692 0.19017 .00009 0.28357 .00009 -0.322478 0.000003 16 11 1 57693 0.18876 .00009 0.28250 .00009 -0.323838 0.000003 16 11 2 57694 0.18732 .00009 0.28150 .00009 -0.325162 0.000003 16 11 3 57695 0.18594 .00009 0.28049 .00009 -0.326412 0.000055 IERS Final Values MJD x y UT1-UTC " " s 16 9 2 57633 0.2369 0.3880 -0.24726 16 9 3 57634 0.2367 0.3871 -0.24817 16 9 4 57635 0.2360 0.3858 -0.24913 16 9 5 57636 0.2352 0.3841 -0.25009 16 9 6 57637 0.2345 0.3821 -0.25103 16 9 7 57638 0.2343 0.3801 -0.25192 16 9 8 57639 0.2345 0.3780 -0.25275 16 9 9 57640 0.2347 0.3757 -0.25351 16 9 10 57641 0.2347 0.3738 -0.25420 16 9 11 57642 0.2346 0.3717 -0.25488 16 9 12 57643 0.2351 0.3698 -0.25563 16 9 13 57644 0.2357 0.3679 -0.25640 16 9 14 57645 0.2361 0.3661 -0.25725 16 9 15 57646 0.2363 0.3644 -0.25831 16 9 16 57647 0.2369 0.3625 -0.25957 16 9 17 57648 0.2373 0.3605 -0.26094 16 9 18 57649 0.2376 0.3587 -0.26239 16 9 19 57650 0.2375 0.3570 -0.26389 16 9 20 57651 0.2373 0.3551 -0.26536 16 9 21 57652 0.2370 0.3531 -0.26675 16 9 22 57653 0.2366 0.3510 -0.26798 16 9 23 57654 0.2364 0.3490 -0.26911 16 9 24 57655 0.2358 0.3469 -0.27019 16 9 25 57656 0.2351 0.3445 -0.27124 16 9 26 57657 0.2348 0.3422 -0.27238 16 9 27 57658 0.2342 0.3398 -0.27358 16 9 28 57659 0.2336 0.3370 -0.27482 16 9 29 57660 0.2339 0.3344 -0.27615 16 9 30 57661 0.2342 0.3326 -0.27758 16 10 1 57662 0.2337 0.3310 -0.27899 _______________________________________________________________________ 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 = 0.1038 + 0.0613 cos A - 0.0817 sin A + 0.0206 cos C - 0.0184 sin C y = 0.3722 - 0.0771 cos A - 0.0613 sin A - 0.0184 cos C - 0.0206 sin C UT1-UTC = -0.3430 - 0.00137 (MJD - 57703) - (UT2-UT1) where A = 2*pi*(MJD-57695)/365.25 and C = 2*pi*(MJD-57695)/435. TAI-UTC(MJD 57696) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57695)**0.80 S t = 0.00025 (MJD-57695)**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) 2016 11 4 57696 0.1845 0.2795 -0.32763 2016 11 5 57697 0.1830 0.2784 -0.32883 2016 11 6 57698 0.1815 0.2773 -0.33008 2016 11 7 57699 0.1799 0.2763 -0.33142 2016 11 8 57700 0.1783 0.2753 -0.33291 2016 11 9 57701 0.1766 0.2742 -0.33456 2016 11 10 57702 0.1749 0.2733 -0.33639 2016 11 11 57703 0.1732 0.2723 -0.33838 2016 11 12 57704 0.1715 0.2714 -0.34047 2016 11 13 57705 0.1699 0.2705 -0.34258 2016 11 14 57706 0.1682 0.2697 -0.34462 2016 11 15 57707 0.1665 0.2688 -0.34650 2016 11 16 57708 0.1647 0.2680 -0.34822 2016 11 17 57709 0.1630 0.2673 -0.34977 2016 11 18 57710 0.1612 0.2665 -0.35121 2016 11 19 57711 0.1594 0.2658 -0.35260 2016 11 20 57712 0.1577 0.2651 -0.35399 2016 11 21 57713 0.1559 0.2645 -0.35541 2016 11 22 57714 0.1541 0.2639 -0.35688 2016 11 23 57715 0.1523 0.2633 -0.35838 2016 11 24 57716 0.1505 0.2627 -0.35988 2016 11 25 57717 0.1487 0.2622 -0.36137 2016 11 26 57718 0.1468 0.2617 -0.36281 2016 11 27 57719 0.1450 0.2612 -0.36416 2016 11 28 57720 0.1432 0.2608 -0.36542 2016 11 29 57721 0.1413 0.2604 -0.36658 2016 11 30 57722 0.1394 0.2600 -0.36765 2016 12 1 57723 0.1376 0.2596 -0.36865 2016 12 2 57724 0.1357 0.2593 -0.36961 2016 12 3 57725 0.1338 0.2590 -0.37060 2016 12 4 57726 0.1319 0.2587 -0.37164 2016 12 5 57727 0.1300 0.2585 -0.37278 2016 12 6 57728 0.1282 0.2582 -0.37405 2016 12 7 57729 0.1263 0.2581 -0.37547 2016 12 8 57730 0.1244 0.2579 -0.37703 2016 12 9 57731 0.1225 0.2578 -0.37870 2016 12 10 57732 0.1206 0.2577 -0.38041 2016 12 11 57733 0.1187 0.2576 -0.38211 2016 12 12 57734 0.1168 0.2576 -0.38372 2016 12 13 57735 0.1149 0.2576 -0.38519 2016 12 14 57736 0.1130 0.2576 -0.38653 2016 12 15 57737 0.1111 0.2577 -0.38778 2016 12 16 57738 0.1092 0.2578 -0.38899 2016 12 17 57739 0.1073 0.2579 -0.39020 2016 12 18 57740 0.1054 0.2580 -0.39145 2016 12 19 57741 0.1036 0.2582 -0.39275 2016 12 20 57742 0.1017 0.2584 -0.39409 2016 12 21 57743 0.0998 0.2586 -0.39543 2016 12 22 57744 0.0979 0.2589 -0.39675 2016 12 23 57745 0.0961 0.2592 -0.39802 2016 12 24 57746 0.0942 0.2595 -0.39923 2016 12 25 57747 0.0924 0.2598 -0.40035 2016 12 26 57748 0.0905 0.2602 -0.40138 2016 12 27 57749 0.0887 0.2606 -0.40233 2016 12 28 57750 0.0869 0.2611 -0.40322 2016 12 29 57751 0.0851 0.2615 -0.40409 2016 12 30 57752 0.0833 0.2620 -0.40496 2016 12 31 57753 0.0815 0.2626 -0.40589 2017 1 1 57754 0.0797 0.2631 0.59309 2017 1 2 57755 0.0779 0.2637 0.59194 2017 1 3 57756 0.0762 0.2643 0.59065 2017 1 4 57757 0.0744 0.2649 0.58923 2017 1 5 57758 0.0727 0.2656 0.58770 2017 1 6 57759 0.0710 0.2663 0.58612 2017 1 7 57760 0.0693 0.2670 0.58453 2017 1 8 57761 0.0676 0.2677 0.58300 2017 1 9 57762 0.0659 0.2685 0.58158 2017 1 10 57763 0.0642 0.2693 0.58028 2017 1 11 57764 0.0626 0.2701 0.57907 2017 1 12 57765 0.0609 0.2710 0.57790 2017 1 13 57766 0.0593 0.2718 0.57672 2017 1 14 57767 0.0577 0.2727 0.57548 2017 1 15 57768 0.0562 0.2737 0.57416 2017 1 16 57769 0.0546 0.2746 0.57278 2017 1 17 57770 0.0530 0.2756 0.57136 2017 1 18 57771 0.0515 0.2766 0.56995 2017 1 19 57772 0.0500 0.2776 0.56856 2017 1 20 57773 0.0485 0.2786 0.56724 2017 1 21 57774 0.0471 0.2797 0.56600 2017 1 22 57775 0.0456 0.2808 0.56485 2017 1 23 57776 0.0442 0.2819 0.56379 2017 1 24 57777 0.0428 0.2831 0.56280 2017 1 25 57778 0.0414 0.2842 0.56184 2017 1 26 57779 0.0401 0.2854 0.56088 2017 1 27 57780 0.0387 0.2866 0.55987 2017 1 28 57781 0.0374 0.2878 0.55877 2017 1 29 57782 0.0361 0.2891 0.55753 2017 1 30 57783 0.0349 0.2903 0.55612 2017 1 31 57784 0.0336 0.2916 0.55456 2017 2 1 57785 0.0324 0.2929 0.55287 2017 2 2 57786 0.0312 0.2942 0.55110 2017 2 3 57787 0.0301 0.2956 0.54931 2017 2 4 57788 0.0289 0.2969 0.54757 2017 2 5 57789 0.0278 0.2983 0.54591 2017 2 6 57790 0.0267 0.2997 0.54434 2017 2 7 57791 0.0257 0.3011 0.54286 2017 2 8 57792 0.0246 0.3026 0.54142 2017 2 9 57793 0.0236 0.3040 0.53997 2017 2 10 57794 0.0226 0.3055 0.53846 2017 2 11 57795 0.0217 0.3069 0.53685 2017 2 12 57796 0.0208 0.3084 0.53516 2017 2 13 57797 0.0199 0.3099 0.53341 2017 2 14 57798 0.0190 0.3115 0.53163 2017 2 15 57799 0.0181 0.3130 0.52988 2017 2 16 57800 0.0173 0.3146 0.52817 2017 2 17 57801 0.0165 0.3161 0.52654 2017 2 18 57802 0.0158 0.3177 0.52500 2017 2 19 57803 0.0151 0.3193 0.52354 2017 2 20 57804 0.0144 0.3209 0.52224 2017 2 21 57805 0.0137 0.3225 0.52098 2017 2 22 57806 0.0131 0.3241 0.51973 2017 2 23 57807 0.0125 0.3257 0.51844 2017 2 24 57808 0.0119 0.3274 0.51707 2017 2 25 57809 0.0114 0.3290 0.51558 2017 2 26 57810 0.0108 0.3307 0.51392 2017 2 27 57811 0.0104 0.3324 0.51208 2017 2 28 57812 0.0099 0.3340 0.51010 2017 3 1 57813 0.0095 0.3357 0.50802 2017 3 2 57814 0.0091 0.3374 0.50592 2017 3 3 57815 0.0087 0.3391 0.50387 2017 3 4 57816 0.0084 0.3408 0.50193 2017 3 5 57817 0.0081 0.3425 0.50011 2017 3 6 57818 0.0079 0.3442 0.49840 2017 3 7 57819 0.0076 0.3459 0.49677 2017 3 8 57820 0.0074 0.3477 0.49516 2017 3 9 57821 0.0073 0.3494 0.49350 2017 3 10 57822 0.0071 0.3511 0.49177 2017 3 11 57823 0.0070 0.3528 0.48995 2017 3 12 57824 0.0070 0.3546 0.48804 2017 3 13 57825 0.0069 0.3563 0.48609 2017 3 14 57826 0.0069 0.3580 0.48414 2017 3 15 57827 0.0069 0.3598 0.48222 2017 3 16 57828 0.0070 0.3615 0.48037 2017 3 17 57829 0.0071 0.3632 0.47861 2017 3 18 57830 0.0072 0.3650 0.47694 2017 3 19 57831 0.0074 0.3667 0.47536 2017 3 20 57832 0.0075 0.3684 0.47385 2017 3 21 57833 0.0078 0.3701 0.47237 2017 3 22 57834 0.0080 0.3719 0.47088 2017 3 23 57835 0.0083 0.3736 0.46933 2017 3 24 57836 0.0086 0.3753 0.46767 2017 3 25 57837 0.0089 0.3770 0.46586 2017 3 26 57838 0.0093 0.3787 0.46388 2017 3 27 57839 0.0097 0.3804 0.46172 2017 3 28 57840 0.0101 0.3821 0.45942 2017 3 29 57841 0.0106 0.3838 0.45707 2017 3 30 57842 0.0111 0.3855 0.45474 2017 3 31 57843 0.0116 0.3871 0.45251 2017 4 1 57844 0.0122 0.3888 0.45043 2017 4 2 57845 0.0128 0.3905 0.44850 2017 4 3 57846 0.0134 0.3921 0.44668 2017 4 4 57847 0.0140 0.3937 0.44492 2017 4 5 57848 0.0147 0.3954 0.44316 2017 4 6 57849 0.0154 0.3970 0.44134 2017 4 7 57850 0.0162 0.3986 0.43946 2017 4 8 57851 0.0169 0.4002 0.43751 2017 4 9 57852 0.0177 0.4018 0.43551 2017 4 10 57853 0.0185 0.4034 0.43349 2017 4 11 57854 0.0194 0.4049 0.43151 2017 4 12 57855 0.0203 0.4065 0.42959 2017 4 13 57856 0.0212 0.4080 0.42776 2017 4 14 57857 0.0221 0.4095 0.42604 2017 4 15 57858 0.0231 0.4110 0.42442 2017 4 16 57859 0.0241 0.4125 0.42289 2017 4 17 57860 0.0251 0.4140 0.42143 2017 4 18 57861 0.0261 0.4154 0.41999 2017 4 19 57862 0.0272 0.4169 0.41852 2017 4 20 57863 0.0283 0.4183 0.41699 2017 4 21 57864 0.0294 0.4197 0.41534 2017 4 22 57865 0.0305 0.4211 0.41354 2017 4 23 57866 0.0317 0.4225 0.41157 2017 4 24 57867 0.0329 0.4239 0.40945 2017 4 25 57868 0.0341 0.4252 0.40723 2017 4 26 57869 0.0353 0.4265 0.40499 2017 4 27 57870 0.0366 0.4278 0.40282 2017 4 28 57871 0.0379 0.4291 0.40081 2017 4 29 57872 0.0392 0.4304 0.39896 2017 4 30 57873 0.0405 0.4316 0.39727 2017 5 1 57874 0.0419 0.4328 0.39567 2017 5 2 57875 0.0432 0.4341 0.39412 2017 5 3 57876 0.0446 0.4352 0.39255 2017 5 4 57877 0.0461 0.4364 0.39094 2017 5 5 57878 0.0475 0.4375 0.38929 2017 5 6 57879 0.0489 0.4387 0.38760 2017 5 7 57880 0.0504 0.4397 0.38592 2017 5 8 57881 0.0519 0.4408 0.38426 2017 5 9 57882 0.0534 0.4419 0.38267 2017 5 10 57883 0.0550 0.4429 0.38115 2017 5 11 57884 0.0565 0.4439 0.37974 2017 5 12 57885 0.0581 0.4449 0.37840 2017 5 13 57886 0.0596 0.4458 0.37713 2017 5 14 57887 0.0612 0.4468 0.37591 2017 5 15 57888 0.0629 0.4477 0.37468 2017 5 16 57889 0.0645 0.4485 0.37341 2017 5 17 57890 0.0661 0.4494 0.37207 2017 5 18 57891 0.0678 0.4502 0.37062 2017 5 19 57892 0.0694 0.4510 0.36903 2017 5 20 57893 0.0711 0.4518 0.36732 2017 5 21 57894 0.0728 0.4526 0.36549 2017 5 22 57895 0.0745 0.4533 0.36358 2017 5 23 57896 0.0763 0.4540 0.36167 2017 5 24 57897 0.0780 0.4547 0.35984 2017 5 25 57898 0.0797 0.4553 0.35817 2017 5 26 57899 0.0815 0.4559 0.35670 2017 5 27 57900 0.0832 0.4565 0.35543 2017 5 28 57901 0.0850 0.4571 0.35431 2017 5 29 57902 0.0868 0.4576 0.35328 2017 5 30 57903 0.0886 0.4581 0.35227 2017 5 31 57904 0.0904 0.4586 0.35124 2017 6 1 57905 0.0922 0.4591 0.35018 2017 6 2 57906 0.0940 0.4595 0.34909 2017 6 3 57907 0.0958 0.4599 0.34800 2017 6 4 57908 0.0976 0.4603 0.34695 2017 6 5 57909 0.0995 0.4606 0.34598 2017 6 6 57910 0.1013 0.4609 0.34511 2017 6 7 57911 0.1031 0.4612 0.34437 2017 6 8 57912 0.1050 0.4615 0.34377 2017 6 9 57913 0.1068 0.4617 0.34329 2017 6 10 57914 0.1087 0.4619 0.34288 2017 6 11 57915 0.1105 0.4621 0.34251 2017 6 12 57916 0.1124 0.4622 0.34212 2017 6 13 57917 0.1142 0.4624 0.34170 2017 6 14 57918 0.1161 0.4625 0.34121 2017 6 15 57919 0.1179 0.4625 0.34062 2017 6 16 57920 0.1198 0.4625 0.33989 2017 6 17 57921 0.1216 0.4626 0.33907 2017 6 18 57922 0.1234 0.4625 0.33819 2017 6 19 57923 0.1253 0.4625 0.33727 2017 6 20 57924 0.1271 0.4624 0.33626 2017 6 21 57925 0.1290 0.4623 0.33525 2017 6 22 57926 0.1308 0.4621 0.33426 2017 6 23 57927 0.1326 0.4620 0.33337 2017 6 24 57928 0.1345 0.4618 0.33256 2017 6 25 57929 0.1363 0.4616 0.33180 2017 6 26 57930 0.1381 0.4613 0.33102 2017 6 27 57931 0.1399 0.4610 0.33020 2017 6 28 57932 0.1417 0.4607 0.32926 2017 6 29 57933 0.1435 0.4604 0.32826 2017 6 30 57934 0.1453 0.4600 0.32728 2017 7 1 57935 0.1470 0.4596 0.32643 2017 7 2 57936 0.1488 0.4592 0.32565 2017 7 3 57937 0.1506 0.4588 0.32481 2017 7 4 57938 0.1523 0.4583 0.32418 2017 7 5 57939 0.1540 0.4578 0.32353 2017 7 6 57940 0.1558 0.4573 0.32310 2017 7 7 57941 0.1575 0.4567 0.32279 2017 7 8 57942 0.1592 0.4562 0.32253 2017 7 9 57943 0.1609 0.4556 0.32229 2017 7 10 57944 0.1625 0.4549 0.32204 2017 7 11 57945 0.1642 0.4543 0.32167 2017 7 12 57946 0.1658 0.4536 0.32122 2017 7 13 57947 0.1675 0.4529 0.32069 2017 7 14 57948 0.1691 0.4522 0.32006 2017 7 15 57949 0.1707 0.4514 0.31923 2017 7 16 57950 0.1723 0.4506 0.31846 2017 7 17 57951 0.1738 0.4498 0.31756 2017 7 18 57952 0.1754 0.4490 0.31659 2017 7 19 57953 0.1769 0.4481 0.31562 2017 7 20 57954 0.1785 0.4473 0.31479 2017 7 21 57955 0.1800 0.4464 0.31408 2017 7 22 57956 0.1814 0.4454 0.31340 2017 7 23 57957 0.1829 0.4445 0.31275 2017 7 24 57958 0.1843 0.4435 0.31216 2017 7 25 57959 0.1858 0.4425 0.31154 2017 7 26 57960 0.1872 0.4415 0.31072 2017 7 27 57961 0.1886 0.4405 0.30986 2017 7 28 57962 0.1899 0.4394 0.30904 2017 7 29 57963 0.1913 0.4384 0.30823 2017 7 30 57964 0.1926 0.4373 0.30755 2017 7 31 57965 0.1939 0.4361 0.30698 2017 8 1 57966 0.1952 0.4350 0.30656 2017 8 2 57967 0.1964 0.4339 0.30622 2017 8 3 57968 0.1976 0.4327 0.30614 2017 8 4 57969 0.1989 0.4315 0.30608 2017 8 5 57970 0.2000 0.4303 0.30606 2017 8 6 57971 0.2012 0.4290 0.30599 2017 8 7 57972 0.2023 0.4278 0.30586 2017 8 8 57973 0.2034 0.4265 0.30558 2017 8 9 57974 0.2045 0.4253 0.30511 2017 8 10 57975 0.2056 0.4240 0.30454 2017 8 11 57976 0.2066 0.4226 0.30370 2017 8 12 57977 0.2076 0.4213 0.30281 2017 8 13 57978 0.2086 0.4200 0.30176 2017 8 14 57979 0.2096 0.4186 0.30069 2017 8 15 57980 0.2105 0.4172 0.29969 2017 8 16 57981 0.2114 0.4158 0.29887 2017 8 17 57982 0.2123 0.4144 0.29799 2017 8 18 57983 0.2131 0.4130 0.29739 2017 8 19 57984 0.2140 0.4116 0.29680 2017 8 20 57985 0.2147 0.4102 0.29617 2017 8 21 57986 0.2155 0.4087 0.29545 2017 8 22 57987 0.2162 0.4072 0.29457 2017 8 23 57988 0.2170 0.4058 0.29363 2017 8 24 57989 0.2176 0.4043 0.29264 2017 8 25 57990 0.2183 0.4028 0.29151 2017 8 26 57991 0.2189 0.4013 0.29043 2017 8 27 57992 0.2195 0.3998 0.28936 2017 8 28 57993 0.2201 0.3983 0.28833 2017 8 29 57994 0.2206 0.3967 0.28733 2017 8 30 57995 0.2211 0.3952 0.28638 2017 8 31 57996 0.2216 0.3936 0.28544 2017 9 1 57997 0.2220 0.3921 0.28457 2017 9 2 57998 0.2225 0.3905 0.28364 2017 9 3 57999 0.2228 0.3890 0.28265 2017 9 4 58000 0.2232 0.3874 0.28151 2017 9 5 58001 0.2235 0.3858 0.28022 2017 9 6 58002 0.2238 0.3842 0.27886 2017 9 7 58003 0.2241 0.3826 0.27725 2017 9 8 58004 0.2243 0.3811 0.27552 2017 9 9 58005 0.2245 0.3795 0.27359 2017 9 10 58006 0.2247 0.3779 0.27170 2017 9 11 58007 0.2249 0.3763 0.26980 2017 9 12 58008 0.2250 0.3747 0.26794 2017 9 13 58009 0.2251 0.3731 0.26621 2017 9 14 58010 0.2251 0.3715 0.26450 2017 9 15 58011 0.2252 0.3699 0.26280 2017 9 16 58012 0.2251 0.3683 0.26099 2017 9 17 58013 0.2251 0.3667 0.25910 2017 9 18 58014 0.2250 0.3651 0.25710 2017 9 19 58015 0.2250 0.3635 0.25499 2017 9 20 58016 0.2248 0.3619 0.25285 2017 9 21 58017 0.2247 0.3603 0.25073 2017 9 22 58018 0.2245 0.3587 0.24864 2017 9 23 58019 0.2243 0.3571 0.24667 2017 9 24 58020 0.2240 0.3555 0.24487 2017 9 25 58021 0.2238 0.3540 0.24324 2017 9 26 58022 0.2234 0.3524 0.24175 2017 9 27 58023 0.2231 0.3508 0.24044 2017 9 28 58024 0.2228 0.3493 0.23926 2017 9 29 58025 0.2224 0.3477 0.23800 2017 9 30 58026 0.2219 0.3462 0.23682 2017 10 1 58027 0.2215 0.3446 0.23549 2017 10 2 58028 0.2210 0.3431 0.23396 2017 10 3 58029 0.2205 0.3416 0.23229 2017 10 4 58030 0.2200 0.3400 0.23046 2017 10 5 58031 0.2194 0.3385 0.22849 2017 10 6 58032 0.2188 0.3370 0.22651 2017 10 7 58033 0.2182 0.3355 0.22449 2017 10 8 58034 0.2175 0.3341 0.22251 2017 10 9 58035 0.2169 0.3326 0.22062 2017 10 10 58036 0.2162 0.3311 0.21885 2017 10 11 58037 0.2154 0.3297 0.21719 2017 10 12 58038 0.2147 0.3283 0.21550 2017 10 13 58039 0.2139 0.3268 0.21382 2017 10 14 58040 0.2131 0.3254 0.21207 2017 10 15 58041 0.2123 0.3240 0.21016 2017 10 16 58042 0.2114 0.3227 0.20815 2017 10 17 58043 0.2105 0.3213 0.20613 2017 10 18 58044 0.2096 0.3199 0.20410 2017 10 19 58045 0.2087 0.3186 0.20213 2017 10 20 58046 0.2077 0.3173 0.20018 2017 10 21 58047 0.2067 0.3160 0.19833 2017 10 22 58048 0.2057 0.3147 0.19656 2017 10 23 58049 0.2047 0.3134 0.19497 2017 10 24 58050 0.2037 0.3122 0.19350 2017 10 25 58051 0.2026 0.3109 0.19215 2017 10 26 58052 0.2015 0.3097 0.19093 2017 10 27 58053 0.2004 0.3085 0.18978 2017 10 28 58054 0.1992 0.3073 0.18860 2017 10 29 58055 0.1981 0.3061 0.18730 2017 10 30 58056 0.1969 0.3050 0.18594 2017 10 31 58057 0.1957 0.3039 0.18442 2017 11 1 58058 0.1945 0.3027 0.18284 2017 11 2 58059 0.1932 0.3017 0.18109 2017 11 3 58060 0.1919 0.3006 0.17927 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) 57669 -104.31 0.30 -12.46 0.06 57670 -104.56 0.12 -12.39 0.07 57671 -104.47 0.22 -12.28 0.07 57672 -104.18 0.29 -12.19 0.06 57673 -104.01 0.29 -12.18 0.06 57674 -104.02 0.29 -12.16 0.06 57675 -104.00 0.29 -11.99 0.06 57676 -103.78 0.29 -11.69 0.06 57677 -103.51 0.30 -11.45 0.15 57678 -103.43 0.30 -11.42 0.15 57679 -103.61 0.30 -11.50 0.15 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 57633 -105.4 -13.0 57634 -105.6 -12.8 57635 -105.9 -12.8 57636 -106.2 -12.9 57637 -106.3 -13.0 57638 -106.0 -13.1 57639 -105.7 -13.2 57640 -105.6 -13.1 57641 -105.8 -13.0 57642 -106.0 -12.9 57643 -106.0 -12.9 57644 -105.9 -13.1 57645 -105.9 -13.3 57646 -106.0 -13.3 57647 -106.1 -13.1 57648 -106.2 -12.7 57649 -106.3 -12.5 57650 -106.5 -12.4 57651 -106.9 -12.5 57652 -107.1 -12.6 57653 -107.1 -12.6 57654 -106.9 -12.7 57655 -106.6 -12.8 57656 -106.4 -12.9 57657 -106.1 -13.0 57658 -105.7 -13.0 57659 -105.4 -12.9 57660 -105.2 -12.7 57661 -105.1 -12.5 57662 -105.2 -12.3 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 57669 0.103 0.119 -0.114 0.060 57670 0.113 0.048 -0.127 0.070 57671 0.144 0.088 -0.135 0.070 57672 0.170 0.115 -0.122 0.060 57673 0.181 0.115 -0.099 0.060 57674 0.185 0.115 -0.069 0.060 57675 0.180 0.115 -0.044 0.060 57676 0.183 0.115 -0.032 0.060 57677 0.187 0.119 -0.010 0.150 57678 0.181 0.119 0.010 0.150 57679 0.175 0.119 0.008 0.150 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 57633 0.09 -0.19 57634 0.06 -0.10 57635 0.04 -0.11 57636 0.02 -0.12 57637 -0.01 -0.07 57638 0.02 -0.04 57639 0.01 -0.11 57640 0.04 -0.08 57641 0.07 -0.13 57642 0.12 -0.17 57643 0.16 -0.21 57644 0.16 -0.28 57645 0.14 -0.28 57646 0.11 -0.22 57647 0.07 -0.20 57648 0.00 -0.13 57649 -0.05 -0.17 57650 -0.07 -0.08 57651 -0.13 -0.07 57652 -0.11 -0.10 57653 -0.08 -0.09 57654 -0.04 -0.14 57655 0.02 -0.14 57656 0.05 -0.13 57657 0.10 -0.19 57658 0.15 -0.22 57659 0.15 -0.21 57660 0.14 -0.18 57661 0.14 -0.22 57662 0.10 -0.26 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).