********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 10 November 2016 Vol. XXIX No. 045 ______________________________________________________________________ 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 11 4 57696 0.18506 .00009 0.27953 .00010 -0.327626 0.000025 16 11 5 57697 0.18384 .00009 0.27904 .00009 -0.328882 0.000023 16 11 6 57698 0.18198 .00009 0.27890 .00009 -0.330211 0.000021 16 11 7 57699 0.17946 .00009 0.27873 .00009 -0.331691 0.000019 16 11 8 57700 0.17656 .00009 0.27831 .00009 -0.333278 0.000019 16 11 9 57701 0.17376 .00009 0.27770 .00009 -0.335006 0.000014 16 11 10 57702 0.17126 .00009 0.27706 .00009 -0.336914 0.000009 _______________________________________________________________________ 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 = 0.1021 + 0.0497 cos A - 0.0894 sin A + 0.0193 cos C - 0.0190 sin C y = 0.3768 - 0.0845 cos A - 0.0503 sin A - 0.0190 cos C - 0.0193 sin C UT1-UTC = -0.3523 - 0.00136 (MJD - 57710) - (UT2-UT1) where A = 2*pi*(MJD-57702)/365.25 and C = 2*pi*(MJD-57702)/435. TAI-UTC(MJD 57703) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57702)**0.80 S t = 0.00025 (MJD-57702)**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 11 57703 0.1690 0.2763 -0.33905 2016 11 12 57704 0.1671 0.2755 -0.34127 2016 11 13 57705 0.1653 0.2747 -0.34345 2016 11 14 57706 0.1635 0.2739 -0.34548 2016 11 15 57707 0.1618 0.2731 -0.34731 2016 11 16 57708 0.1600 0.2724 -0.34892 2016 11 17 57709 0.1582 0.2716 -0.35035 2016 11 18 57710 0.1565 0.2709 -0.35166 2016 11 19 57711 0.1546 0.2703 -0.35295 2016 11 20 57712 0.1528 0.2697 -0.35431 2016 11 21 57713 0.1510 0.2691 -0.35577 2016 11 22 57714 0.1492 0.2684 -0.35736 2016 11 23 57715 0.1475 0.2679 -0.35899 2016 11 24 57716 0.1457 0.2674 -0.36065 2016 11 25 57717 0.1440 0.2669 -0.36227 2016 11 26 57718 0.1422 0.2665 -0.36383 2016 11 27 57719 0.1403 0.2661 -0.36529 2016 11 28 57720 0.1384 0.2658 -0.36663 2016 11 29 57721 0.1366 0.2654 -0.36786 2016 11 30 57722 0.1347 0.2651 -0.36899 2016 12 1 57723 0.1329 0.2648 -0.37003 2016 12 2 57724 0.1310 0.2645 -0.37104 2016 12 3 57725 0.1292 0.2642 -0.37206 2016 12 4 57726 0.1274 0.2640 -0.37314 2016 12 5 57727 0.1256 0.2638 -0.37432 2016 12 6 57728 0.1238 0.2636 -0.37563 2016 12 7 57729 0.1220 0.2635 -0.37709 2016 12 8 57730 0.1202 0.2634 -0.37868 2016 12 9 57731 0.1184 0.2633 -0.38039 2016 12 10 57732 0.1165 0.2632 -0.38213 2016 12 11 57733 0.1147 0.2632 -0.38386 2016 12 12 57734 0.1129 0.2632 -0.38549 2016 12 13 57735 0.1111 0.2632 -0.38699 2016 12 14 57736 0.1093 0.2633 -0.38835 2016 12 15 57737 0.1075 0.2634 -0.38961 2016 12 16 57738 0.1057 0.2635 -0.39083 2016 12 17 57739 0.1039 0.2637 -0.39205 2016 12 18 57740 0.1021 0.2639 -0.39331 2016 12 19 57741 0.1004 0.2641 -0.39461 2016 12 20 57742 0.0986 0.2643 -0.39592 2016 12 21 57743 0.0968 0.2646 -0.39724 2016 12 22 57744 0.0950 0.2649 -0.39853 2016 12 23 57745 0.0933 0.2652 -0.39977 2016 12 24 57746 0.0915 0.2655 -0.40094 2016 12 25 57747 0.0898 0.2659 -0.40204 2016 12 26 57748 0.0880 0.2663 -0.40304 2016 12 27 57749 0.0863 0.2667 -0.40396 2016 12 28 57750 0.0846 0.2672 -0.40482 2016 12 29 57751 0.0829 0.2677 -0.40563 2016 12 30 57752 0.0812 0.2682 -0.40646 2016 12 31 57753 0.0795 0.2687 -0.40733 2017 1 1 57754 0.0778 0.2693 0.59170 2017 1 2 57755 0.0762 0.2699 0.59061 2017 1 3 57756 0.0745 0.2705 0.58937 2017 1 4 57757 0.0729 0.2712 0.58800 2017 1 5 57758 0.0713 0.2718 0.58651 2017 1 6 57759 0.0696 0.2725 0.58495 2017 1 7 57760 0.0680 0.2733 0.58339 2017 1 8 57761 0.0665 0.2740 0.58187 2017 1 9 57762 0.0649 0.2748 0.58044 2017 1 10 57763 0.0633 0.2756 0.57913 2017 1 11 57764 0.0618 0.2764 0.57790 2017 1 12 57765 0.0603 0.2772 0.57672 2017 1 13 57766 0.0588 0.2781 0.57552 2017 1 14 57767 0.0573 0.2790 0.57427 2017 1 15 57768 0.0558 0.2799 0.57296 2017 1 16 57769 0.0544 0.2809 0.57159 2017 1 17 57770 0.0529 0.2818 0.57020 2017 1 18 57771 0.0515 0.2828 0.56882 2017 1 19 57772 0.0501 0.2838 0.56749 2017 1 20 57773 0.0487 0.2849 0.56621 2017 1 21 57774 0.0474 0.2859 0.56502 2017 1 22 57775 0.0460 0.2870 0.56392 2017 1 23 57776 0.0447 0.2881 0.56289 2017 1 24 57777 0.0434 0.2892 0.56193 2017 1 25 57778 0.0422 0.2904 0.56100 2017 1 26 57779 0.0409 0.2915 0.56006 2017 1 27 57780 0.0397 0.2927 0.55907 2017 1 28 57781 0.0385 0.2939 0.55798 2017 1 29 57782 0.0373 0.2951 0.55676 2017 1 30 57783 0.0361 0.2963 0.55538 2017 1 31 57784 0.0350 0.2976 0.55385 2017 2 1 57785 0.0339 0.2989 0.55219 2017 2 2 57786 0.0328 0.3002 0.55047 2017 2 3 57787 0.0318 0.3015 0.54875 2017 2 4 57788 0.0307 0.3028 0.54708 2017 2 5 57789 0.0297 0.3041 0.54550 2017 2 6 57790 0.0287 0.3055 0.54402 2017 2 7 57791 0.0278 0.3069 0.54264 2017 2 8 57792 0.0268 0.3082 0.54130 2017 2 9 57793 0.0259 0.3096 0.53995 2017 2 10 57794 0.0250 0.3111 0.53853 2017 2 11 57795 0.0242 0.3125 0.53702 2017 2 12 57796 0.0234 0.3139 0.53541 2017 2 13 57797 0.0226 0.3154 0.53373 2017 2 14 57798 0.0218 0.3169 0.53201 2017 2 15 57799 0.0210 0.3184 0.53031 2017 2 16 57800 0.0203 0.3199 0.52864 2017 2 17 57801 0.0196 0.3214 0.52704 2017 2 18 57802 0.0190 0.3229 0.52551 2017 2 19 57803 0.0184 0.3244 0.52407 2017 2 20 57804 0.0178 0.3259 0.52269 2017 2 21 57805 0.0172 0.3275 0.52136 2017 2 22 57806 0.0166 0.3291 0.52004 2017 2 23 57807 0.0161 0.3306 0.51868 2017 2 24 57808 0.0156 0.3322 0.51724 2017 2 25 57809 0.0152 0.3338 0.51567 2017 2 26 57810 0.0148 0.3354 0.51394 2017 2 27 57811 0.0144 0.3370 0.51211 2017 2 28 57812 0.0140 0.3386 0.51012 2017 3 1 57813 0.0137 0.3402 0.50804 2017 3 2 57814 0.0134 0.3418 0.50593 2017 3 3 57815 0.0131 0.3434 0.50388 2017 3 4 57816 0.0128 0.3450 0.50193 2017 3 5 57817 0.0126 0.3467 0.50011 2017 3 6 57818 0.0124 0.3483 0.49841 2017 3 7 57819 0.0123 0.3499 0.49678 2017 3 8 57820 0.0122 0.3516 0.49517 2017 3 9 57821 0.0121 0.3532 0.49352 2017 3 10 57822 0.0120 0.3549 0.49179 2017 3 11 57823 0.0120 0.3565 0.48997 2017 3 12 57824 0.0120 0.3582 0.48807 2017 3 13 57825 0.0120 0.3598 0.48613 2017 3 14 57826 0.0121 0.3614 0.48419 2017 3 15 57827 0.0122 0.3631 0.48228 2017 3 16 57828 0.0123 0.3647 0.48044 2017 3 17 57829 0.0124 0.3664 0.47869 2017 3 18 57830 0.0126 0.3680 0.47703 2017 3 19 57831 0.0128 0.3697 0.47547 2017 3 20 57832 0.0131 0.3713 0.47397 2017 3 21 57833 0.0134 0.3729 0.47250 2017 3 22 57834 0.0137 0.3746 0.47103 2017 3 23 57835 0.0140 0.3762 0.46949 2017 3 24 57836 0.0144 0.3778 0.46785 2017 3 25 57837 0.0148 0.3794 0.46607 2017 3 26 57838 0.0152 0.3810 0.46410 2017 3 27 57839 0.0156 0.3826 0.46197 2017 3 28 57840 0.0161 0.3842 0.45970 2017 3 29 57841 0.0166 0.3858 0.45736 2017 3 30 57842 0.0172 0.3874 0.45506 2017 3 31 57843 0.0177 0.3890 0.45286 2017 4 1 57844 0.0183 0.3905 0.45081 2017 4 2 57845 0.0190 0.3921 0.44891 2017 4 3 57846 0.0196 0.3936 0.44711 2017 4 4 57847 0.0203 0.3952 0.44538 2017 4 5 57848 0.0210 0.3967 0.44364 2017 4 6 57849 0.0218 0.3982 0.44185 2017 4 7 57850 0.0225 0.3997 0.43999 2017 4 8 57851 0.0233 0.4012 0.43806 2017 4 9 57852 0.0242 0.4027 0.43608 2017 4 10 57853 0.0250 0.4041 0.43409 2017 4 11 57854 0.0259 0.4056 0.43213 2017 4 12 57855 0.0268 0.4070 0.43024 2017 4 13 57856 0.0277 0.4085 0.42843 2017 4 14 57857 0.0287 0.4099 0.42673 2017 4 15 57858 0.0296 0.4113 0.42514 2017 4 16 57859 0.0307 0.4127 0.42363 2017 4 17 57860 0.0317 0.4140 0.42219 2017 4 18 57861 0.0327 0.4154 0.42078 2017 4 19 57862 0.0338 0.4167 0.41934 2017 4 20 57863 0.0349 0.4181 0.41783 2017 4 21 57864 0.0360 0.4194 0.41620 2017 4 22 57865 0.0372 0.4206 0.41442 2017 4 23 57866 0.0384 0.4219 0.41248 2017 4 24 57867 0.0396 0.4232 0.41038 2017 4 25 57868 0.0408 0.4244 0.40817 2017 4 26 57869 0.0420 0.4256 0.40595 2017 4 27 57870 0.0433 0.4268 0.40380 2017 4 28 57871 0.0446 0.4280 0.40179 2017 4 29 57872 0.0459 0.4291 0.39994 2017 4 30 57873 0.0472 0.4303 0.39825 2017 5 1 57874 0.0486 0.4314 0.39666 2017 5 2 57875 0.0499 0.4325 0.39510 2017 5 3 57876 0.0513 0.4336 0.39352 2017 5 4 57877 0.0527 0.4346 0.39191 2017 5 5 57878 0.0541 0.4357 0.39024 2017 5 6 57879 0.0556 0.4367 0.38855 2017 5 7 57880 0.0570 0.4377 0.38686 2017 5 8 57881 0.0585 0.4386 0.38521 2017 5 9 57882 0.0600 0.4396 0.38363 2017 5 10 57883 0.0615 0.4405 0.38215 2017 5 11 57884 0.0630 0.4414 0.38079 2017 5 12 57885 0.0646 0.4423 0.37956 2017 5 13 57886 0.0661 0.4431 0.37843 2017 5 14 57887 0.0677 0.4439 0.37740 2017 5 15 57888 0.0693 0.4447 0.37642 2017 5 16 57889 0.0709 0.4455 0.37544 2017 5 17 57890 0.0725 0.4463 0.37442 2017 5 18 57891 0.0741 0.4470 0.37330 2017 5 19 57892 0.0757 0.4477 0.37204 2017 5 20 57893 0.0774 0.4484 0.37059 2017 5 21 57894 0.0790 0.4490 0.36895 2017 5 22 57895 0.0807 0.4497 0.36713 2017 5 23 57896 0.0824 0.4503 0.36520 2017 5 24 57897 0.0841 0.4508 0.36324 2017 5 25 57898 0.0858 0.4514 0.36133 2017 5 26 57899 0.0875 0.4519 0.35955 2017 5 27 57900 0.0892 0.4524 0.35790 2017 5 28 57901 0.0909 0.4529 0.35638 2017 5 29 57902 0.0926 0.4533 0.35492 2017 5 30 57903 0.0944 0.4538 0.35350 2017 5 31 57904 0.0961 0.4541 0.35209 2017 6 1 57905 0.0979 0.4545 0.35069 2017 6 2 57906 0.0996 0.4548 0.34933 2017 6 3 57907 0.1014 0.4552 0.34802 2017 6 4 57908 0.1031 0.4554 0.34680 2017 6 5 57909 0.1049 0.4557 0.34568 2017 6 6 57910 0.1067 0.4559 0.34469 2017 6 7 57911 0.1084 0.4561 0.34384 2017 6 8 57912 0.1102 0.4563 0.34312 2017 6 9 57913 0.1120 0.4565 0.34255 2017 6 10 57914 0.1138 0.4566 0.34208 2017 6 11 57915 0.1155 0.4567 0.34170 2017 6 12 57916 0.1173 0.4567 0.34136 2017 6 13 57917 0.1191 0.4568 0.34100 2017 6 14 57918 0.1209 0.4568 0.34058 2017 6 15 57919 0.1226 0.4568 0.34004 2017 6 16 57920 0.1244 0.4567 0.33935 2017 6 17 57921 0.1262 0.4566 0.33854 2017 6 18 57922 0.1280 0.4565 0.33763 2017 6 19 57923 0.1297 0.4564 0.33662 2017 6 20 57924 0.1315 0.4563 0.33559 2017 6 21 57925 0.1332 0.4561 0.33468 2017 6 22 57926 0.1350 0.4559 0.33388 2017 6 23 57927 0.1367 0.4556 0.33319 2017 6 24 57928 0.1385 0.4554 0.33265 2017 6 25 57929 0.1402 0.4551 0.33212 2017 6 26 57930 0.1419 0.4548 0.33155 2017 6 27 57931 0.1436 0.4544 0.33093 2017 6 28 57932 0.1453 0.4541 0.33026 2017 6 29 57933 0.1470 0.4537 0.32953 2017 6 30 57934 0.1487 0.4533 0.32877 2017 7 1 57935 0.1504 0.4528 0.32809 2017 7 2 57936 0.1521 0.4523 0.32753 2017 7 3 57937 0.1538 0.4518 0.32710 2017 7 4 57938 0.1554 0.4513 0.32672 2017 7 5 57939 0.1570 0.4508 0.32640 2017 7 6 57940 0.1587 0.4502 0.32609 2017 7 7 57941 0.1603 0.4496 0.32584 2017 7 8 57942 0.1619 0.4490 0.32561 2017 7 9 57943 0.1635 0.4483 0.32537 2017 7 10 57944 0.1651 0.4476 0.32509 2017 7 11 57945 0.1666 0.4469 0.32475 2017 7 12 57946 0.1682 0.4462 0.32424 2017 7 13 57947 0.1697 0.4455 0.32359 2017 7 14 57948 0.1712 0.4447 0.32285 2017 7 15 57949 0.1727 0.4439 0.32209 2017 7 16 57950 0.1742 0.4431 0.32123 2017 7 17 57951 0.1757 0.4422 0.32020 2017 7 18 57952 0.1771 0.4414 0.31928 2017 7 19 57953 0.1785 0.4405 0.31829 2017 7 20 57954 0.1800 0.4396 0.31753 2017 7 21 57955 0.1814 0.4387 0.31689 2017 7 22 57956 0.1827 0.4377 0.31631 2017 7 23 57957 0.1841 0.4367 0.31574 2017 7 24 57958 0.1854 0.4358 0.31511 2017 7 25 57959 0.1867 0.4347 0.31435 2017 7 26 57960 0.1880 0.4337 0.31351 2017 7 27 57961 0.1893 0.4327 0.31268 2017 7 28 57962 0.1906 0.4316 0.31186 2017 7 29 57963 0.1918 0.4305 0.31101 2017 7 30 57964 0.1930 0.4294 0.31038 2017 7 31 57965 0.1942 0.4283 0.30976 2017 8 1 57966 0.1954 0.4271 0.30916 2017 8 2 57967 0.1965 0.4259 0.30859 2017 8 3 57968 0.1976 0.4248 0.30814 2017 8 4 57969 0.1987 0.4236 0.30776 2017 8 5 57970 0.1998 0.4223 0.30737 2017 8 6 57971 0.2009 0.4211 0.30698 2017 8 7 57972 0.2019 0.4199 0.30662 2017 8 8 57973 0.2029 0.4186 0.30622 2017 8 9 57974 0.2039 0.4173 0.30557 2017 8 10 57975 0.2048 0.4160 0.30478 2017 8 11 57976 0.2057 0.4147 0.30389 2017 8 12 57977 0.2066 0.4134 0.30288 2017 8 13 57978 0.2075 0.4121 0.30187 2017 8 14 57979 0.2084 0.4107 0.30088 2017 8 15 57980 0.2092 0.4093 0.29998 2017 8 16 57981 0.2100 0.4080 0.29915 2017 8 17 57982 0.2107 0.4066 0.29859 2017 8 18 57983 0.2115 0.4052 0.29806 2017 8 19 57984 0.2122 0.4038 0.29756 2017 8 20 57985 0.2129 0.4024 0.29697 2017 8 21 57986 0.2135 0.4009 0.29628 2017 8 22 57987 0.2142 0.3995 0.29545 2017 8 23 57988 0.2148 0.3980 0.29446 2017 8 24 57989 0.2153 0.3966 0.29347 2017 8 25 57990 0.2159 0.3951 0.29236 2017 8 26 57991 0.2164 0.3936 0.29135 2017 8 27 57992 0.2169 0.3921 0.29031 2017 8 28 57993 0.2174 0.3906 0.28934 2017 8 29 57994 0.2178 0.3891 0.28850 2017 8 30 57995 0.2182 0.3876 0.28783 2017 8 31 57996 0.2186 0.3861 0.28708 2017 9 1 57997 0.2189 0.3846 0.28656 2017 9 2 57998 0.2192 0.3831 0.28602 2017 9 3 57999 0.2195 0.3816 0.28544 2017 9 4 58000 0.2198 0.3800 0.28476 2017 9 5 58001 0.2200 0.3785 0.28388 2017 9 6 58002 0.2202 0.3770 0.28289 2017 9 7 58003 0.2204 0.3754 0.28173 2017 9 8 58004 0.2205 0.3739 0.28031 2017 9 9 58005 0.2206 0.3723 0.27880 2017 9 10 58006 0.2207 0.3708 0.27722 2017 9 11 58007 0.2208 0.3693 0.27564 2017 9 12 58008 0.2208 0.3677 0.27408 2017 9 13 58009 0.2208 0.3662 0.27258 2017 9 14 58010 0.2207 0.3646 0.27112 2017 9 15 58011 0.2207 0.3631 0.26973 2017 9 16 58012 0.2206 0.3615 0.26827 2017 9 17 58013 0.2205 0.3600 0.26672 2017 9 18 58014 0.2203 0.3585 0.26501 2017 9 19 58015 0.2201 0.3569 0.26317 2017 9 20 58016 0.2199 0.3554 0.26135 2017 9 21 58017 0.2197 0.3539 0.25941 2017 9 22 58018 0.2194 0.3523 0.25751 2017 9 23 58019 0.2191 0.3508 0.25555 2017 9 24 58020 0.2188 0.3493 0.25373 2017 9 25 58021 0.2184 0.3478 0.25195 2017 9 26 58022 0.2180 0.3463 0.25020 2017 9 27 58023 0.2176 0.3448 0.24857 2017 9 28 58024 0.2172 0.3433 0.24693 2017 9 29 58025 0.2167 0.3418 0.24527 2017 9 30 58026 0.2162 0.3403 0.24349 2017 10 1 58027 0.2157 0.3389 0.24163 2017 10 2 58028 0.2151 0.3374 0.23964 2017 10 3 58029 0.2145 0.3360 0.23751 2017 10 4 58030 0.2139 0.3345 0.23525 2017 10 5 58031 0.2133 0.3331 0.23290 2017 10 6 58032 0.2126 0.3317 0.23044 2017 10 7 58033 0.2120 0.3303 0.22799 2017 10 8 58034 0.2113 0.3289 0.22568 2017 10 9 58035 0.2105 0.3275 0.22352 2017 10 10 58036 0.2097 0.3261 0.22155 2017 10 11 58037 0.2090 0.3248 0.21977 2017 10 12 58038 0.2081 0.3234 0.21816 2017 10 13 58039 0.2073 0.3221 0.21647 2017 10 14 58040 0.2064 0.3208 0.21484 2017 10 15 58041 0.2055 0.3195 0.21306 2017 10 16 58042 0.2046 0.3182 0.21111 2017 10 17 58043 0.2037 0.3169 0.20909 2017 10 18 58044 0.2027 0.3156 0.20704 2017 10 19 58045 0.2018 0.3144 0.20502 2017 10 20 58046 0.2007 0.3132 0.20315 2017 10 21 58047 0.1997 0.3120 0.20136 2017 10 22 58048 0.1987 0.3108 0.19969 2017 10 23 58049 0.1976 0.3096 0.19810 2017 10 24 58050 0.1965 0.3084 0.19661 2017 10 25 58051 0.1954 0.3073 0.19520 2017 10 26 58052 0.1942 0.3061 0.19373 2017 10 27 58053 0.1931 0.3050 0.19224 2017 10 28 58054 0.1919 0.3039 0.19068 2017 10 29 58055 0.1907 0.3029 0.18896 2017 10 30 58056 0.1895 0.3018 0.18711 2017 10 31 58057 0.1883 0.3008 0.18517 2017 11 1 58058 0.1870 0.2998 0.18310 2017 11 2 58059 0.1857 0.2988 0.18096 2017 11 3 58060 0.1844 0.2978 0.17871 2017 11 4 58061 0.1831 0.2969 0.17647 2017 11 5 58062 0.1818 0.2959 0.17429 2017 11 6 58063 0.1805 0.2950 0.17230 2017 11 7 58064 0.1791 0.2941 0.17048 2017 11 8 58065 0.1777 0.2933 0.16881 2017 11 9 58066 0.1764 0.2924 0.16728 2017 11 10 58067 0.1749 0.2916 0.16581 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) 57680 -104.00 0.30 -11.56 0.02 57681 -104.25 0.30 -11.52 0.02 57682 -104.21 0.30 -11.57 0.02 57683 -103.92 0.30 -11.75 0.15 57684 -103.60 0.30 -11.94 0.02 57685 -103.44 0.30 -11.98 0.02 57686 -103.37 0.30 -11.90 0.02 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 57680 0.154 0.119 -0.061 0.020 57681 0.166 0.119 -0.076 0.020 57682 0.179 0.119 -0.054 0.020 57683 0.185 0.119 -0.021 0.150 57684 0.196 0.119 -0.030 0.020 57685 0.203 0.119 -0.049 0.020 57686 0.193 0.119 -0.066 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).