********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 24 November 2016 Vol. XXIX No. 047 ______________________________________________________________________ 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 = -0.4 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. * * * * As of Bulletin A Vol. XXIX, No. 046, on 17 Nov 2016, we have * * incorporated the new USNO VLBI solution usno2016a.eops and * * usno2016a.eopi. The cumulative effect of these changes * * appears to be less than 0.1 mas in polar motion and 10 us in * * UT1-UTC. * * * * The Bulletin A Vol. XXIX, No 047 will be emailed to users from * * ser7 at toshi.nofs.navy.mil * * * * 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 18 57710 0.15506 .00009 0.27046 .00009 -0.351384 0.000017 16 11 19 57711 0.15325 .00009 0.27024 .00009 -0.352633 0.000015 16 11 20 57712 0.15097 .00009 0.26996 .00009 -0.353977 0.000014 16 11 21 57713 0.14839 .00009 0.26950 .00009 -0.355347 0.000012 16 11 22 57714 0.14608 .00009 0.26901 .00009 -0.356850 0.000011 16 11 23 57715 0.14418 .00009 0.26866 .00009 -0.358359 0.000010 16 11 24 57716 0.14250 .00009 0.26843 .00009 -0.359917 0.000055 _______________________________________________________________________ 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 = 0.1035 + 0.0228 cos A - 0.1025 sin A + 0.0166 cos C - 0.0173 sin C y = 0.3792 - 0.0966 cos A - 0.0248 sin A - 0.0173 cos C - 0.0166 sin C UT1-UTC = -0.3687 - 0.00135 (MJD - 57724) - (UT2-UT1) where A = 2*pi*(MJD-57716)/365.25 and C = 2*pi*(MJD-57716)/435. TAI-UTC(MJD 57717) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57716)**0.80 S t = 0.00025 (MJD-57716)**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 25 57717 0.1408 0.2682 -0.36148 2016 11 26 57718 0.1391 0.2680 -0.36300 2016 11 27 57719 0.1372 0.2678 -0.36447 2016 11 28 57720 0.1353 0.2675 -0.36584 2016 11 29 57721 0.1334 0.2672 -0.36709 2016 11 30 57722 0.1316 0.2669 -0.36825 2016 12 1 57723 0.1297 0.2666 -0.36935 2016 12 2 57724 0.1279 0.2663 -0.37042 2016 12 3 57725 0.1260 0.2661 -0.37151 2016 12 4 57726 0.1241 0.2659 -0.37264 2016 12 5 57727 0.1223 0.2657 -0.37388 2016 12 6 57728 0.1205 0.2655 -0.37526 2016 12 7 57729 0.1187 0.2654 -0.37677 2016 12 8 57730 0.1169 0.2654 -0.37840 2016 12 9 57731 0.1151 0.2654 -0.38011 2016 12 10 57732 0.1132 0.2654 -0.38185 2016 12 11 57733 0.1114 0.2654 -0.38356 2016 12 12 57734 0.1096 0.2654 -0.38519 2016 12 13 57735 0.1078 0.2655 -0.38671 2016 12 14 57736 0.1061 0.2656 -0.38812 2016 12 15 57737 0.1043 0.2657 -0.38944 2016 12 16 57738 0.1025 0.2658 -0.39074 2016 12 17 57739 0.1008 0.2660 -0.39204 2016 12 18 57740 0.0990 0.2662 -0.39337 2016 12 19 57741 0.0973 0.2665 -0.39474 2016 12 20 57742 0.0955 0.2667 -0.39612 2016 12 21 57743 0.0938 0.2670 -0.39749 2016 12 22 57744 0.0921 0.2673 -0.39883 2016 12 23 57745 0.0903 0.2677 -0.40012 2016 12 24 57746 0.0886 0.2680 -0.40134 2016 12 25 57747 0.0869 0.2684 -0.40247 2016 12 26 57748 0.0852 0.2689 -0.40351 2016 12 27 57749 0.0836 0.2693 -0.40446 2016 12 28 57750 0.0819 0.2698 -0.40535 2016 12 29 57751 0.0802 0.2703 -0.40620 2016 12 30 57752 0.0786 0.2708 -0.40703 2016 12 31 57753 0.0769 0.2714 -0.40791 2017 1 1 57754 0.0753 0.2720 0.59113 2017 1 2 57755 0.0737 0.2726 0.59005 2017 1 3 57756 0.0721 0.2732 0.58882 2017 1 4 57757 0.0705 0.2739 0.58746 2017 1 5 57758 0.0690 0.2746 0.58598 2017 1 6 57759 0.0674 0.2753 0.58444 2017 1 7 57760 0.0659 0.2760 0.58290 2017 1 8 57761 0.0643 0.2768 0.58142 2017 1 9 57762 0.0628 0.2776 0.58005 2017 1 10 57763 0.0613 0.2784 0.57880 2017 1 11 57764 0.0598 0.2792 0.57765 2017 1 12 57765 0.0584 0.2801 0.57655 2017 1 13 57766 0.0569 0.2809 0.57543 2017 1 14 57767 0.0555 0.2818 0.57425 2017 1 15 57768 0.0541 0.2828 0.57300 2017 1 16 57769 0.0527 0.2837 0.57169 2017 1 17 57770 0.0513 0.2847 0.57035 2017 1 18 57771 0.0500 0.2857 0.56903 2017 1 19 57772 0.0486 0.2867 0.56773 2017 1 20 57773 0.0473 0.2877 0.56650 2017 1 21 57774 0.0460 0.2888 0.56535 2017 1 22 57775 0.0447 0.2899 0.56428 2017 1 23 57776 0.0435 0.2910 0.56329 2017 1 24 57777 0.0422 0.2921 0.56236 2017 1 25 57778 0.0410 0.2932 0.56147 2017 1 26 57779 0.0398 0.2944 0.56058 2017 1 27 57780 0.0387 0.2956 0.55964 2017 1 28 57781 0.0375 0.2968 0.55861 2017 1 29 57782 0.0364 0.2980 0.55743 2017 1 30 57783 0.0353 0.2992 0.55610 2017 1 31 57784 0.0342 0.3004 0.55460 2017 2 1 57785 0.0332 0.3017 0.55298 2017 2 2 57786 0.0322 0.3030 0.55129 2017 2 3 57787 0.0312 0.3043 0.54959 2017 2 4 57788 0.0302 0.3056 0.54794 2017 2 5 57789 0.0293 0.3069 0.54639 2017 2 6 57790 0.0283 0.3083 0.54496 2017 2 7 57791 0.0274 0.3097 0.54362 2017 2 8 57792 0.0266 0.3110 0.54233 2017 2 9 57793 0.0257 0.3124 0.54104 2017 2 10 57794 0.0249 0.3138 0.53969 2017 2 11 57795 0.0241 0.3152 0.53825 2017 2 12 57796 0.0233 0.3167 0.53673 2017 2 13 57797 0.0226 0.3181 0.53514 2017 2 14 57798 0.0219 0.3196 0.53352 2017 2 15 57799 0.0212 0.3210 0.53192 2017 2 16 57800 0.0206 0.3225 0.53036 2017 2 17 57801 0.0199 0.3240 0.52887 2017 2 18 57802 0.0193 0.3255 0.52746 2017 2 19 57803 0.0188 0.3270 0.52613 2017 2 20 57804 0.0182 0.3285 0.52487 2017 2 21 57805 0.0177 0.3301 0.52366 2017 2 22 57806 0.0172 0.3316 0.52245 2017 2 23 57807 0.0168 0.3331 0.52122 2017 2 24 57808 0.0163 0.3347 0.51990 2017 2 25 57809 0.0159 0.3363 0.51846 2017 2 26 57810 0.0156 0.3378 0.51685 2017 2 27 57811 0.0152 0.3394 0.51507 2017 2 28 57812 0.0149 0.3410 0.51313 2017 3 1 57813 0.0147 0.3426 0.51109 2017 3 2 57814 0.0144 0.3441 0.50902 2017 3 3 57815 0.0142 0.3457 0.50700 2017 3 4 57816 0.0140 0.3473 0.50508 2017 3 5 57817 0.0138 0.3489 0.50328 2017 3 6 57818 0.0137 0.3505 0.50158 2017 3 7 57819 0.0136 0.3521 0.49994 2017 3 8 57820 0.0136 0.3538 0.49832 2017 3 9 57821 0.0135 0.3554 0.49664 2017 3 10 57822 0.0135 0.3570 0.49488 2017 3 11 57823 0.0135 0.3586 0.49302 2017 3 12 57824 0.0136 0.3602 0.49107 2017 3 13 57825 0.0137 0.3618 0.48914 2017 3 14 57826 0.0138 0.3634 0.48720 2017 3 15 57827 0.0139 0.3650 0.48530 2017 3 16 57828 0.0141 0.3666 0.48347 2017 3 17 57829 0.0143 0.3682 0.48173 2017 3 18 57830 0.0145 0.3698 0.48009 2017 3 19 57831 0.0148 0.3714 0.47853 2017 3 20 57832 0.0151 0.3730 0.47704 2017 3 21 57833 0.0154 0.3746 0.47559 2017 3 22 57834 0.0158 0.3762 0.47412 2017 3 23 57835 0.0161 0.3778 0.47260 2017 3 24 57836 0.0166 0.3794 0.47097 2017 3 25 57837 0.0170 0.3810 0.46919 2017 3 26 57838 0.0175 0.3825 0.46724 2017 3 27 57839 0.0180 0.3841 0.46511 2017 3 28 57840 0.0185 0.3856 0.46285 2017 3 29 57841 0.0190 0.3872 0.46052 2017 3 30 57842 0.0196 0.3887 0.45822 2017 3 31 57843 0.0202 0.3902 0.45603 2017 4 1 57844 0.0209 0.3918 0.45399 2017 4 2 57845 0.0215 0.3933 0.45210 2017 4 3 57846 0.0222 0.3948 0.45032 2017 4 4 57847 0.0230 0.3963 0.44860 2017 4 5 57848 0.0237 0.3977 0.44688 2017 4 6 57849 0.0245 0.3992 0.44512 2017 4 7 57850 0.0253 0.4007 0.44328 2017 4 8 57851 0.0261 0.4021 0.44138 2017 4 9 57852 0.0270 0.4035 0.43943 2017 4 10 57853 0.0279 0.4050 0.43747 2017 4 11 57854 0.0288 0.4064 0.43554 2017 4 12 57855 0.0297 0.4077 0.43368 2017 4 13 57856 0.0307 0.4091 0.43191 2017 4 14 57857 0.0317 0.4105 0.43025 2017 4 15 57858 0.0327 0.4118 0.42869 2017 4 16 57859 0.0337 0.4132 0.42723 2017 4 17 57860 0.0348 0.4145 0.42583 2017 4 18 57861 0.0359 0.4158 0.42445 2017 4 19 57862 0.0370 0.4171 0.42305 2017 4 20 57863 0.0381 0.4183 0.42158 2017 4 21 57864 0.0392 0.4196 0.41999 2017 4 22 57865 0.0404 0.4208 0.41826 2017 4 23 57866 0.0416 0.4220 0.41636 2017 4 24 57867 0.0428 0.4232 0.41430 2017 4 25 57868 0.0441 0.4244 0.41214 2017 4 26 57869 0.0453 0.4256 0.40996 2017 4 27 57870 0.0466 0.4267 0.40786 2017 4 28 57871 0.0479 0.4278 0.40589 2017 4 29 57872 0.0492 0.4289 0.40410 2017 4 30 57873 0.0506 0.4300 0.40245 2017 5 1 57874 0.0519 0.4311 0.40090 2017 5 2 57875 0.0533 0.4321 0.39939 2017 5 3 57876 0.0547 0.4331 0.39785 2017 5 4 57877 0.0561 0.4341 0.39628 2017 5 5 57878 0.0576 0.4351 0.39465 2017 5 6 57879 0.0590 0.4361 0.39300 2017 5 7 57880 0.0605 0.4370 0.39133 2017 5 8 57881 0.0620 0.4379 0.38971 2017 5 9 57882 0.0635 0.4388 0.38814 2017 5 10 57883 0.0650 0.4397 0.38668 2017 5 11 57884 0.0665 0.4405 0.38533 2017 5 12 57885 0.0681 0.4413 0.38409 2017 5 13 57886 0.0696 0.4421 0.38296 2017 5 14 57887 0.0712 0.4429 0.38192 2017 5 15 57888 0.0728 0.4436 0.38093 2017 5 16 57889 0.0744 0.4443 0.37995 2017 5 17 57890 0.0760 0.4450 0.37893 2017 5 18 57891 0.0776 0.4457 0.37783 2017 5 19 57892 0.0793 0.4464 0.37662 2017 5 20 57893 0.0809 0.4470 0.37527 2017 5 21 57894 0.0826 0.4476 0.37378 2017 5 22 57895 0.0842 0.4481 0.37216 2017 5 23 57896 0.0859 0.4487 0.37049 2017 5 24 57897 0.0876 0.4492 0.36885 2017 5 25 57898 0.0893 0.4497 0.36731 2017 5 26 57899 0.0910 0.4502 0.36593 2017 5 27 57900 0.0927 0.4506 0.36473 2017 5 28 57901 0.0944 0.4510 0.36366 2017 5 29 57902 0.0961 0.4514 0.36266 2017 5 30 57903 0.0978 0.4518 0.36168 2017 5 31 57904 0.0996 0.4521 0.36066 2017 6 1 57905 0.1013 0.4524 0.35961 2017 6 2 57906 0.1030 0.4527 0.35852 2017 6 3 57907 0.1048 0.4530 0.35741 2017 6 4 57908 0.1065 0.4532 0.35632 2017 6 5 57909 0.1083 0.4534 0.35526 2017 6 6 57910 0.1100 0.4536 0.35426 2017 6 7 57911 0.1118 0.4537 0.35334 2017 6 8 57912 0.1136 0.4538 0.35251 2017 6 9 57913 0.1153 0.4539 0.35176 2017 6 10 57914 0.1171 0.4540 0.35106 2017 6 11 57915 0.1188 0.4540 0.35039 2017 6 12 57916 0.1206 0.4540 0.34969 2017 6 13 57917 0.1223 0.4540 0.34892 2017 6 14 57918 0.1241 0.4540 0.34805 2017 6 15 57919 0.1258 0.4539 0.34704 2017 6 16 57920 0.1276 0.4538 0.34589 2017 6 17 57921 0.1293 0.4537 0.34460 2017 6 18 57922 0.1311 0.4535 0.34319 2017 6 19 57923 0.1328 0.4534 0.34172 2017 6 20 57924 0.1345 0.4532 0.34025 2017 6 21 57925 0.1363 0.4529 0.33888 2017 6 22 57926 0.1380 0.4527 0.33766 2017 6 23 57927 0.1397 0.4524 0.33662 2017 6 24 57928 0.1414 0.4521 0.33577 2017 6 25 57929 0.1431 0.4517 0.33504 2017 6 26 57930 0.1448 0.4514 0.33436 2017 6 27 57931 0.1465 0.4510 0.33365 2017 6 28 57932 0.1481 0.4506 0.33288 2017 6 29 57933 0.1498 0.4501 0.33205 2017 6 30 57934 0.1515 0.4497 0.33120 2017 7 1 57935 0.1531 0.4492 0.33040 2017 7 2 57936 0.1547 0.4487 0.32966 2017 7 3 57937 0.1564 0.4481 0.32905 2017 7 4 57938 0.1580 0.4475 0.32859 2017 7 5 57939 0.1596 0.4469 0.32831 2017 7 6 57940 0.1612 0.4463 0.32809 2017 7 7 57941 0.1627 0.4457 0.32797 2017 7 8 57942 0.1643 0.4450 0.32790 2017 7 9 57943 0.1658 0.4443 0.32790 2017 7 10 57944 0.1674 0.4436 0.32794 2017 7 11 57945 0.1689 0.4429 0.32791 2017 7 12 57946 0.1704 0.4421 0.32775 2017 7 13 57947 0.1719 0.4413 0.32737 2017 7 14 57948 0.1733 0.4405 0.32688 2017 7 15 57949 0.1748 0.4397 0.32631 2017 7 16 57950 0.1762 0.4388 0.32565 2017 7 17 57951 0.1776 0.4380 0.32494 2017 7 18 57952 0.1790 0.4371 0.32421 2017 7 19 57953 0.1804 0.4361 0.32368 2017 7 20 57954 0.1818 0.4352 0.32323 2017 7 21 57955 0.1831 0.4342 0.32285 2017 7 22 57956 0.1844 0.4333 0.32257 2017 7 23 57957 0.1857 0.4323 0.32222 2017 7 24 57958 0.1870 0.4312 0.32179 2017 7 25 57959 0.1883 0.4302 0.32124 2017 7 26 57960 0.1895 0.4291 0.32062 2017 7 27 57961 0.1908 0.4280 0.31994 2017 7 28 57962 0.1920 0.4269 0.31923 2017 7 29 57963 0.1931 0.4258 0.31868 2017 7 30 57964 0.1943 0.4247 0.31812 2017 7 31 57965 0.1954 0.4235 0.31778 2017 8 1 57966 0.1965 0.4224 0.31747 2017 8 2 57967 0.1976 0.4212 0.31722 2017 8 3 57968 0.1987 0.4200 0.31695 2017 8 4 57969 0.1997 0.4187 0.31671 2017 8 5 57970 0.2007 0.4175 0.31645 2017 8 6 57971 0.2017 0.4162 0.31613 2017 8 7 57972 0.2027 0.4150 0.31571 2017 8 8 57973 0.2036 0.4137 0.31520 2017 8 9 57974 0.2046 0.4124 0.31447 2017 8 10 57975 0.2054 0.4111 0.31358 2017 8 11 57976 0.2063 0.4098 0.31259 2017 8 12 57977 0.2072 0.4084 0.31160 2017 8 13 57978 0.2080 0.4071 0.31053 2017 8 14 57979 0.2087 0.4057 0.30938 2017 8 15 57980 0.2095 0.4043 0.30835 2017 8 16 57981 0.2102 0.4029 0.30728 2017 8 17 57982 0.2109 0.4015 0.30642 2017 8 18 57983 0.2116 0.4001 0.30564 2017 8 19 57984 0.2123 0.3987 0.30486 2017 8 20 57985 0.2129 0.3973 0.30403 2017 8 21 57986 0.2135 0.3958 0.30309 2017 8 22 57987 0.2141 0.3944 0.30199 2017 8 23 57988 0.2146 0.3929 0.30080 2017 8 24 57989 0.2151 0.3914 0.29962 2017 8 25 57990 0.2156 0.3900 0.29846 2017 8 26 57991 0.2160 0.3885 0.29728 2017 8 27 57992 0.2165 0.3870 0.29633 2017 8 28 57993 0.2169 0.3855 0.29540 2017 8 29 57994 0.2172 0.3840 0.29447 2017 8 30 57995 0.2176 0.3825 0.29357 2017 8 31 57996 0.2179 0.3810 0.29276 2017 9 1 57997 0.2182 0.3795 0.29200 2017 9 2 57998 0.2184 0.3779 0.29117 2017 9 3 57999 0.2186 0.3764 0.29031 2017 9 4 58000 0.2188 0.3749 0.28944 2017 9 5 58001 0.2190 0.3733 0.28850 2017 9 6 58002 0.2191 0.3718 0.28727 2017 9 7 58003 0.2192 0.3703 0.28590 2017 9 8 58004 0.2193 0.3687 0.28443 2017 9 9 58005 0.2194 0.3672 0.28287 2017 9 10 58006 0.2194 0.3657 0.28136 2017 9 11 58007 0.2194 0.3641 0.27993 2017 9 12 58008 0.2193 0.3626 0.27863 2017 9 13 58009 0.2193 0.3611 0.27741 2017 9 14 58010 0.2192 0.3595 0.27645 2017 9 15 58011 0.2190 0.3580 0.27548 2017 9 16 58012 0.2189 0.3565 0.27449 2017 9 17 58013 0.2187 0.3549 0.27340 2017 9 18 58014 0.2185 0.3534 0.27217 2017 9 19 58015 0.2182 0.3519 0.27081 2017 9 20 58016 0.2179 0.3504 0.26930 2017 9 21 58017 0.2176 0.3489 0.26782 2017 9 22 58018 0.2173 0.3473 0.26623 2017 9 23 58019 0.2170 0.3458 0.26476 2017 9 24 58020 0.2166 0.3443 0.26328 2017 9 25 58021 0.2162 0.3429 0.26188 2017 9 26 58022 0.2157 0.3414 0.26061 2017 9 27 58023 0.2152 0.3399 0.25949 2017 9 28 58024 0.2147 0.3384 0.25828 2017 9 29 58025 0.2142 0.3370 0.25728 2017 9 30 58026 0.2137 0.3355 0.25624 2017 10 1 58027 0.2131 0.3341 0.25511 2017 10 2 58028 0.2125 0.3326 0.25388 2017 10 3 58029 0.2118 0.3312 0.25244 2017 10 4 58030 0.2112 0.3298 0.25087 2017 10 5 58031 0.2105 0.3284 0.24915 2017 10 6 58032 0.2098 0.3270 0.24718 2017 10 7 58033 0.2090 0.3256 0.24516 2017 10 8 58034 0.2082 0.3243 0.24314 2017 10 9 58035 0.2075 0.3229 0.24115 2017 10 10 58036 0.2066 0.3216 0.23922 2017 10 11 58037 0.2058 0.3202 0.23737 2017 10 12 58038 0.2049 0.3189 0.23554 2017 10 13 58039 0.2040 0.3176 0.23375 2017 10 14 58040 0.2031 0.3163 0.23187 2017 10 15 58041 0.2022 0.3151 0.22990 2017 10 16 58042 0.2012 0.3138 0.22778 2017 10 17 58043 0.2002 0.3126 0.22558 2017 10 18 58044 0.1992 0.3113 0.22343 2017 10 19 58045 0.1982 0.3101 0.22118 2017 10 20 58046 0.1971 0.3089 0.21903 2017 10 21 58047 0.1961 0.3078 0.21684 2017 10 22 58048 0.1950 0.3066 0.21480 2017 10 23 58049 0.1938 0.3055 0.21281 2017 10 24 58050 0.1927 0.3043 0.21086 2017 10 25 58051 0.1915 0.3032 0.20901 2017 10 26 58052 0.1904 0.3021 0.20714 2017 10 27 58053 0.1892 0.3011 0.20524 2017 10 28 58054 0.1879 0.3000 0.20322 2017 10 29 58055 0.1867 0.2990 0.20108 2017 10 30 58056 0.1854 0.2980 0.19883 2017 10 31 58057 0.1842 0.2970 0.19643 2017 11 1 58058 0.1829 0.2960 0.19392 2017 11 2 58059 0.1816 0.2951 0.19134 2017 11 3 58060 0.1802 0.2942 0.18869 2017 11 4 58061 0.1789 0.2933 0.18609 2017 11 5 58062 0.1775 0.2924 0.18366 2017 11 6 58063 0.1761 0.2915 0.18143 2017 11 7 58064 0.1748 0.2907 0.17938 2017 11 8 58065 0.1733 0.2898 0.17753 2017 11 9 58066 0.1719 0.2891 0.17582 2017 11 10 58067 0.1705 0.2883 0.17401 2017 11 11 58068 0.1690 0.2875 0.17225 2017 11 12 58069 0.1676 0.2868 0.17036 2017 11 13 58070 0.1661 0.2861 0.16832 2017 11 14 58071 0.1646 0.2854 0.16628 2017 11 15 58072 0.1631 0.2848 0.16425 2017 11 16 58073 0.1616 0.2841 0.16230 2017 11 17 58074 0.1601 0.2835 0.16053 2017 11 18 58075 0.1586 0.2829 0.15888 2017 11 19 58076 0.1570 0.2824 0.15734 2017 11 20 58077 0.1555 0.2819 0.15589 2017 11 21 58078 0.1539 0.2813 0.15453 2017 11 22 58079 0.1523 0.2809 0.15323 2017 11 23 58080 0.1508 0.2804 0.15186 2017 11 24 58081 0.1492 0.2800 0.15046 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) 57694 -101.99 0.30 -11.24 0.03 57695 -101.67 0.30 -11.30 0.03 57696 -101.60 0.30 -11.33 0.03 57697 -101.83 0.30 -11.39 0.15 57698 -102.11 0.30 -11.42 0.06 57699 -102.14 0.30 -11.33 0.06 57700 -101.97 0.30 -11.15 0.06 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 57694 0.208 0.119 -0.117 0.030 57695 0.198 0.119 -0.146 0.030 57696 0.178 0.119 -0.162 0.030 57697 0.148 0.119 -0.187 0.150 57698 0.116 0.119 -0.223 0.060 57699 0.089 0.119 -0.255 0.060 57700 0.054 0.119 -0.282 0.060 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).