********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 1 December 2016 Vol. XXIX 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 = -0.4 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 25 57717 0.14140 .00009 0.26839 .00009 -0.361458 0.000007 16 11 26 57718 0.14032 .00009 0.26840 .00009 -0.363011 0.000006 16 11 27 57719 0.13901 .00009 0.26855 .00009 -0.364507 0.000007 16 11 28 57720 0.13702 .00009 0.26867 .00009 -0.365907 0.000006 16 11 29 57721 0.13455 .00009 0.26840 .00009 -0.367205 0.000006 16 11 30 57722 0.13214 .00009 0.26790 .00009 -0.368412 0.000006 16 12 1 57723 0.12986 .00009 0.26742 .00009 -0.369629 0.000055 IERS Final Values MJD x y UT1-UTC " " s 16 10 2 57663 0.2327 0.3295 -0.28035 16 10 3 57664 0.2314 0.3279 -0.28162 16 10 4 57665 0.2296 0.3261 -0.28279 16 10 5 57666 0.2274 0.3247 -0.28390 16 10 6 57667 0.2252 0.3230 -0.28496 16 10 7 57668 0.2234 0.3214 -0.28595 16 10 8 57669 0.2217 0.3196 -0.28691 16 10 9 57670 0.2209 0.3177 -0.28787 16 10 10 57671 0.2208 0.3160 -0.28893 16 10 11 57672 0.2208 0.3140 -0.29015 16 10 12 57673 0.2205 0.3125 -0.29157 16 10 13 57674 0.2201 0.3112 -0.29319 16 10 14 57675 0.2191 0.3104 -0.29503 16 10 15 57676 0.2175 0.3093 -0.29704 16 10 16 57677 0.2155 0.3079 -0.29913 16 10 17 57678 0.2135 0.3062 -0.30118 16 10 18 57679 0.2117 0.3040 -0.30310 16 10 19 57680 0.2100 0.3021 -0.30487 16 10 20 57681 0.2081 0.3001 -0.30648 16 10 21 57682 0.2062 0.2981 -0.30793 16 10 22 57683 0.2042 0.2965 -0.30934 16 10 23 57684 0.2027 0.2947 -0.31075 16 10 24 57685 0.2015 0.2936 -0.31219 16 10 25 57686 0.2000 0.2918 -0.31360 16 10 26 57687 0.1988 0.2898 -0.31508 16 10 27 57688 0.1970 0.2882 -0.31656 16 10 28 57689 0.1949 0.2867 -0.31802 16 10 29 57690 0.1929 0.2855 -0.31950 16 10 30 57691 0.1915 0.2846 -0.32098 16 10 31 57692 0.1901 0.2837 -0.32246 16 11 1 57693 0.1887 0.2825 -0.32383 _______________________________________________________________________ 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 = 0.1067 + 0.0078 cos A - 0.1063 sin A + 0.0164 cos C - 0.0160 sin C y = 0.3806 - 0.0999 cos A - 0.0102 sin A - 0.0160 cos C - 0.0164 sin C UT1-UTC = -0.3784 - 0.00134 (MJD - 57731) - (UT2-UT1) where A = 2*pi*(MJD-57723)/365.25 and C = 2*pi*(MJD-57723)/435. TAI-UTC(MJD 57724) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57723)**0.80 S t = 0.00025 (MJD-57723)**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 12 2 57724 0.1278 0.2670 -0.37085 2016 12 3 57725 0.1257 0.2665 -0.37205 2016 12 4 57726 0.1237 0.2662 -0.37327 2016 12 5 57727 0.1219 0.2659 -0.37455 2016 12 6 57728 0.1201 0.2657 -0.37590 2016 12 7 57729 0.1183 0.2656 -0.37733 2016 12 8 57730 0.1166 0.2655 -0.37883 2016 12 9 57731 0.1148 0.2655 -0.38041 2016 12 10 57732 0.1129 0.2655 -0.38206 2016 12 11 57733 0.1111 0.2655 -0.38377 2016 12 12 57734 0.1092 0.2656 -0.38547 2016 12 13 57735 0.1074 0.2655 -0.38709 2016 12 14 57736 0.1056 0.2656 -0.38860 2016 12 15 57737 0.1040 0.2657 -0.39001 2016 12 16 57738 0.1023 0.2659 -0.39137 2016 12 17 57739 0.1005 0.2661 -0.39272 2016 12 18 57740 0.0988 0.2663 -0.39409 2016 12 19 57741 0.0970 0.2665 -0.39548 2016 12 20 57742 0.0952 0.2668 -0.39686 2016 12 21 57743 0.0934 0.2670 -0.39822 2016 12 22 57744 0.0917 0.2673 -0.39955 2016 12 23 57745 0.0899 0.2676 -0.40085 2016 12 24 57746 0.0882 0.2680 -0.40209 2016 12 25 57747 0.0865 0.2683 -0.40326 2016 12 26 57748 0.0848 0.2688 -0.40435 2016 12 27 57749 0.0832 0.2692 -0.40535 2016 12 28 57750 0.0815 0.2697 -0.40629 2016 12 29 57751 0.0799 0.2702 -0.40718 2016 12 30 57752 0.0782 0.2707 -0.40807 2016 12 31 57753 0.0766 0.2712 -0.40898 2017 1 1 57754 0.0750 0.2718 0.59002 2017 1 2 57755 0.0734 0.2724 0.58891 2017 1 3 57756 0.0718 0.2730 0.58765 2017 1 4 57757 0.0702 0.2737 0.58625 2017 1 5 57758 0.0686 0.2743 0.58475 2017 1 6 57759 0.0671 0.2750 0.58318 2017 1 7 57760 0.0655 0.2758 0.58161 2017 1 8 57761 0.0640 0.2765 0.58010 2017 1 9 57762 0.0625 0.2773 0.57870 2017 1 10 57763 0.0610 0.2781 0.57742 2017 1 11 57764 0.0595 0.2789 0.57624 2017 1 12 57765 0.0581 0.2798 0.57511 2017 1 13 57766 0.0566 0.2806 0.57397 2017 1 14 57767 0.0552 0.2815 0.57277 2017 1 15 57768 0.0538 0.2824 0.57151 2017 1 16 57769 0.0524 0.2834 0.57018 2017 1 17 57770 0.0510 0.2843 0.56883 2017 1 18 57771 0.0497 0.2853 0.56749 2017 1 19 57772 0.0483 0.2863 0.56620 2017 1 20 57773 0.0470 0.2873 0.56497 2017 1 21 57774 0.0457 0.2884 0.56383 2017 1 22 57775 0.0445 0.2894 0.56278 2017 1 23 57776 0.0432 0.2905 0.56182 2017 1 24 57777 0.0420 0.2916 0.56091 2017 1 25 57778 0.0408 0.2927 0.56004 2017 1 26 57779 0.0396 0.2939 0.55917 2017 1 27 57780 0.0384 0.2951 0.55825 2017 1 28 57781 0.0373 0.2962 0.55724 2017 1 29 57782 0.0362 0.2974 0.55610 2017 1 30 57783 0.0351 0.2987 0.55481 2017 1 31 57784 0.0340 0.2999 0.55336 2017 2 1 57785 0.0329 0.3012 0.55178 2017 2 2 57786 0.0319 0.3024 0.55013 2017 2 3 57787 0.0309 0.3037 0.54848 2017 2 4 57788 0.0299 0.3050 0.54687 2017 2 5 57789 0.0290 0.3063 0.54536 2017 2 6 57790 0.0281 0.3077 0.54395 2017 2 7 57791 0.0272 0.3090 0.54263 2017 2 8 57792 0.0263 0.3104 0.54136 2017 2 9 57793 0.0255 0.3118 0.54007 2017 2 10 57794 0.0246 0.3131 0.53871 2017 2 11 57795 0.0238 0.3145 0.53727 2017 2 12 57796 0.0231 0.3160 0.53573 2017 2 13 57797 0.0223 0.3174 0.53413 2017 2 14 57798 0.0216 0.3188 0.53250 2017 2 15 57799 0.0209 0.3203 0.53090 2017 2 16 57800 0.0203 0.3218 0.52935 2017 2 17 57801 0.0196 0.3232 0.52787 2017 2 18 57802 0.0190 0.3247 0.52649 2017 2 19 57803 0.0185 0.3262 0.52520 2017 2 20 57804 0.0179 0.3277 0.52398 2017 2 21 57805 0.0174 0.3292 0.52281 2017 2 22 57806 0.0169 0.3308 0.52165 2017 2 23 57807 0.0165 0.3323 0.52046 2017 2 24 57808 0.0160 0.3338 0.51917 2017 2 25 57809 0.0156 0.3354 0.51776 2017 2 26 57810 0.0153 0.3369 0.51617 2017 2 27 57811 0.0149 0.3385 0.51441 2017 2 28 57812 0.0146 0.3401 0.51248 2017 3 1 57813 0.0143 0.3416 0.51046 2017 3 2 57814 0.0141 0.3432 0.50841 2017 3 3 57815 0.0139 0.3448 0.50641 2017 3 4 57816 0.0137 0.3464 0.50452 2017 3 5 57817 0.0135 0.3480 0.50276 2017 3 6 57818 0.0134 0.3496 0.50111 2017 3 7 57819 0.0133 0.3512 0.49954 2017 3 8 57820 0.0132 0.3527 0.49798 2017 3 9 57821 0.0131 0.3543 0.49638 2017 3 10 57822 0.0131 0.3559 0.49471 2017 3 11 57823 0.0131 0.3575 0.49293 2017 3 12 57824 0.0132 0.3591 0.49108 2017 3 13 57825 0.0133 0.3608 0.48917 2017 3 14 57826 0.0134 0.3624 0.48725 2017 3 15 57827 0.0135 0.3640 0.48536 2017 3 16 57828 0.0137 0.3656 0.48353 2017 3 17 57829 0.0139 0.3671 0.48178 2017 3 18 57830 0.0141 0.3687 0.48011 2017 3 19 57831 0.0143 0.3703 0.47853 2017 3 20 57832 0.0146 0.3719 0.47706 2017 3 21 57833 0.0149 0.3735 0.47563 2017 3 22 57834 0.0153 0.3751 0.47418 2017 3 23 57835 0.0157 0.3767 0.47267 2017 3 24 57836 0.0161 0.3782 0.47105 2017 3 25 57837 0.0165 0.3798 0.46929 2017 3 26 57838 0.0170 0.3814 0.46734 2017 3 27 57839 0.0174 0.3829 0.46522 2017 3 28 57840 0.0180 0.3845 0.46297 2017 3 29 57841 0.0185 0.3860 0.46066 2017 3 30 57842 0.0191 0.3875 0.45837 2017 3 31 57843 0.0197 0.3890 0.45620 2017 4 1 57844 0.0203 0.3906 0.45417 2017 4 2 57845 0.0210 0.3921 0.45229 2017 4 3 57846 0.0217 0.3936 0.45052 2017 4 4 57847 0.0224 0.3950 0.44881 2017 4 5 57848 0.0231 0.3965 0.44709 2017 4 6 57849 0.0239 0.3980 0.44533 2017 4 7 57850 0.0247 0.3994 0.44350 2017 4 8 57851 0.0255 0.4009 0.44160 2017 4 9 57852 0.0263 0.4023 0.43965 2017 4 10 57853 0.0272 0.4037 0.43769 2017 4 11 57854 0.0281 0.4051 0.43576 2017 4 12 57855 0.0290 0.4065 0.43390 2017 4 13 57856 0.0300 0.4079 0.43213 2017 4 14 57857 0.0310 0.4092 0.43046 2017 4 15 57858 0.0320 0.4106 0.42890 2017 4 16 57859 0.0330 0.4119 0.42744 2017 4 17 57860 0.0340 0.4132 0.42604 2017 4 18 57861 0.0351 0.4145 0.42466 2017 4 19 57862 0.0362 0.4158 0.42327 2017 4 20 57863 0.0373 0.4171 0.42180 2017 4 21 57864 0.0385 0.4183 0.42022 2017 4 22 57865 0.0396 0.4196 0.41849 2017 4 23 57866 0.0408 0.4208 0.41660 2017 4 24 57867 0.0420 0.4220 0.41455 2017 4 25 57868 0.0432 0.4232 0.41240 2017 4 26 57869 0.0445 0.4243 0.41023 2017 4 27 57870 0.0458 0.4255 0.40813 2017 4 28 57871 0.0471 0.4266 0.40618 2017 4 29 57872 0.0484 0.4277 0.40439 2017 4 30 57873 0.0497 0.4288 0.40276 2017 5 1 57874 0.0510 0.4298 0.40122 2017 5 2 57875 0.0524 0.4309 0.39972 2017 5 3 57876 0.0538 0.4319 0.39820 2017 5 4 57877 0.0552 0.4329 0.39664 2017 5 5 57878 0.0566 0.4339 0.39504 2017 5 6 57879 0.0581 0.4348 0.39340 2017 5 7 57880 0.0595 0.4358 0.39175 2017 5 8 57881 0.0610 0.4367 0.39015 2017 5 9 57882 0.0625 0.4376 0.38861 2017 5 10 57883 0.0640 0.4384 0.38716 2017 5 11 57884 0.0655 0.4393 0.38583 2017 5 12 57885 0.0670 0.4401 0.38462 2017 5 13 57886 0.0686 0.4409 0.38351 2017 5 14 57887 0.0701 0.4417 0.38249 2017 5 15 57888 0.0717 0.4424 0.38152 2017 5 16 57889 0.0733 0.4432 0.38056 2017 5 17 57890 0.0749 0.4439 0.37956 2017 5 18 57891 0.0765 0.4446 0.37848 2017 5 19 57892 0.0781 0.4452 0.37727 2017 5 20 57893 0.0798 0.4458 0.37593 2017 5 21 57894 0.0814 0.4464 0.37444 2017 5 22 57895 0.0831 0.4470 0.37282 2017 5 23 57896 0.0847 0.4476 0.37115 2017 5 24 57897 0.0864 0.4481 0.36949 2017 5 25 57898 0.0881 0.4486 0.36794 2017 5 26 57899 0.0898 0.4491 0.36654 2017 5 27 57900 0.0915 0.4495 0.36531 2017 5 28 57901 0.0932 0.4500 0.36421 2017 5 29 57902 0.0949 0.4504 0.36318 2017 5 30 57903 0.0966 0.4507 0.36215 2017 5 31 57904 0.0983 0.4511 0.36110 2017 6 1 57905 0.1000 0.4514 0.36001 2017 6 2 57906 0.1018 0.4517 0.35891 2017 6 3 57907 0.1035 0.4520 0.35783 2017 6 4 57908 0.1052 0.4522 0.35680 2017 6 5 57909 0.1070 0.4524 0.35585 2017 6 6 57910 0.1087 0.4526 0.35502 2017 6 7 57911 0.1105 0.4528 0.35431 2017 6 8 57912 0.1122 0.4529 0.35372 2017 6 9 57913 0.1139 0.4530 0.35325 2017 6 10 57914 0.1157 0.4531 0.35287 2017 6 11 57915 0.1174 0.4532 0.35253 2017 6 12 57916 0.1192 0.4532 0.35220 2017 6 13 57917 0.1209 0.4532 0.35183 2017 6 14 57918 0.1227 0.4532 0.35137 2017 6 15 57919 0.1244 0.4531 0.35078 2017 6 16 57920 0.1262 0.4530 0.35004 2017 6 17 57921 0.1279 0.4529 0.34914 2017 6 18 57922 0.1296 0.4528 0.34810 2017 6 19 57923 0.1313 0.4526 0.34694 2017 6 20 57924 0.1331 0.4524 0.34571 2017 6 21 57925 0.1348 0.4522 0.34447 2017 6 22 57926 0.1365 0.4520 0.34329 2017 6 23 57927 0.1382 0.4517 0.34220 2017 6 24 57928 0.1399 0.4514 0.34118 2017 6 25 57929 0.1416 0.4511 0.34020 2017 6 26 57930 0.1433 0.4508 0.33920 2017 6 27 57931 0.1450 0.4504 0.33813 2017 6 28 57932 0.1466 0.4500 0.33699 2017 6 29 57933 0.1483 0.4496 0.33579 2017 6 30 57934 0.1499 0.4491 0.33460 2017 7 1 57935 0.1516 0.4487 0.33345 2017 7 2 57936 0.1532 0.4482 0.33240 2017 7 3 57937 0.1548 0.4476 0.33146 2017 7 4 57938 0.1564 0.4471 0.33065 2017 7 5 57939 0.1580 0.4465 0.32998 2017 7 6 57940 0.1596 0.4459 0.32948 2017 7 7 57941 0.1612 0.4453 0.32913 2017 7 8 57942 0.1627 0.4446 0.32892 2017 7 9 57943 0.1643 0.4440 0.32879 2017 7 10 57944 0.1658 0.4433 0.32865 2017 7 11 57945 0.1673 0.4426 0.32841 2017 7 12 57946 0.1688 0.4418 0.32808 2017 7 13 57947 0.1703 0.4411 0.32759 2017 7 14 57948 0.1718 0.4403 0.32698 2017 7 15 57949 0.1732 0.4395 0.32626 2017 7 16 57950 0.1746 0.4386 0.32545 2017 7 17 57951 0.1761 0.4378 0.32464 2017 7 18 57952 0.1775 0.4369 0.32389 2017 7 19 57953 0.1788 0.4360 0.32329 2017 7 20 57954 0.1802 0.4351 0.32272 2017 7 21 57955 0.1815 0.4341 0.32228 2017 7 22 57956 0.1829 0.4332 0.32189 2017 7 23 57957 0.1842 0.4322 0.32155 2017 7 24 57958 0.1855 0.4312 0.32122 2017 7 25 57959 0.1867 0.4302 0.32079 2017 7 26 57960 0.1880 0.4291 0.32025 2017 7 27 57961 0.1892 0.4281 0.31956 2017 7 28 57962 0.1904 0.4270 0.31889 2017 7 29 57963 0.1916 0.4259 0.31829 2017 7 30 57964 0.1927 0.4248 0.31778 2017 7 31 57965 0.1939 0.4236 0.31735 2017 8 1 57966 0.1950 0.4225 0.31699 2017 8 2 57967 0.1961 0.4213 0.31686 2017 8 3 57968 0.1972 0.4201 0.31678 2017 8 4 57969 0.1982 0.4189 0.31675 2017 8 5 57970 0.1992 0.4177 0.31674 2017 8 6 57971 0.2002 0.4165 0.31665 2017 8 7 57972 0.2012 0.4152 0.31646 2017 8 8 57973 0.2021 0.4140 0.31613 2017 8 9 57974 0.2031 0.4127 0.31568 2017 8 10 57975 0.2040 0.4114 0.31507 2017 8 11 57976 0.2048 0.4101 0.31429 2017 8 12 57977 0.2057 0.4088 0.31354 2017 8 13 57978 0.2065 0.4074 0.31264 2017 8 14 57979 0.2073 0.4061 0.31188 2017 8 15 57980 0.2081 0.4047 0.31110 2017 8 16 57981 0.2088 0.4034 0.31037 2017 8 17 57982 0.2095 0.4020 0.30962 2017 8 18 57983 0.2102 0.4006 0.30890 2017 8 19 57984 0.2109 0.3992 0.30815 2017 8 20 57985 0.2115 0.3978 0.30732 2017 8 21 57986 0.2121 0.3963 0.30635 2017 8 22 57987 0.2127 0.3949 0.30528 2017 8 23 57988 0.2132 0.3935 0.30403 2017 8 24 57989 0.2138 0.3920 0.30273 2017 8 25 57990 0.2143 0.3906 0.30146 2017 8 26 57991 0.2147 0.3891 0.30035 2017 8 27 57992 0.2152 0.3876 0.29929 2017 8 28 57993 0.2156 0.3862 0.29824 2017 8 29 57994 0.2160 0.3847 0.29737 2017 8 30 57995 0.2163 0.3832 0.29645 2017 8 31 57996 0.2166 0.3817 0.29571 2017 9 1 57997 0.2169 0.3802 0.29502 2017 9 2 57998 0.2172 0.3787 0.29429 2017 9 3 57999 0.2174 0.3772 0.29351 2017 9 4 58000 0.2176 0.3757 0.29261 2017 9 5 58001 0.2178 0.3741 0.29152 2017 9 6 58002 0.2180 0.3726 0.29027 2017 9 7 58003 0.2181 0.3711 0.28892 2017 9 8 58004 0.2182 0.3696 0.28746 2017 9 9 58005 0.2182 0.3681 0.28586 2017 9 10 58006 0.2183 0.3665 0.28440 2017 9 11 58007 0.2183 0.3650 0.28291 2017 9 12 58008 0.2183 0.3635 0.28143 2017 9 13 58009 0.2182 0.3620 0.27999 2017 9 14 58010 0.2181 0.3604 0.27866 2017 9 15 58011 0.2180 0.3589 0.27737 2017 9 16 58012 0.2179 0.3574 0.27601 2017 9 17 58013 0.2177 0.3559 0.27459 2017 9 18 58014 0.2175 0.3544 0.27315 2017 9 19 58015 0.2173 0.3529 0.27166 2017 9 20 58016 0.2170 0.3514 0.26997 2017 9 21 58017 0.2167 0.3499 0.26827 2017 9 22 58018 0.2164 0.3484 0.26663 2017 9 23 58019 0.2161 0.3469 0.26504 2017 9 24 58020 0.2157 0.3454 0.26360 2017 9 25 58021 0.2153 0.3439 0.26228 2017 9 26 58022 0.2149 0.3424 0.26110 2017 9 27 58023 0.2145 0.3410 0.25998 2017 9 28 58024 0.2140 0.3395 0.25909 2017 9 29 58025 0.2135 0.3380 0.25816 2017 9 30 58026 0.2129 0.3366 0.25720 2017 10 1 58027 0.2124 0.3352 0.25613 2017 10 2 58028 0.2118 0.3337 0.25492 2017 10 3 58029 0.2112 0.3323 0.25353 2017 10 4 58030 0.2105 0.3309 0.25191 2017 10 5 58031 0.2099 0.3295 0.25019 2017 10 6 58032 0.2092 0.3281 0.24823 2017 10 7 58033 0.2085 0.3267 0.24629 2017 10 8 58034 0.2077 0.3254 0.24429 2017 10 9 58035 0.2070 0.3240 0.24237 2017 10 10 58036 0.2062 0.3227 0.24061 2017 10 11 58037 0.2053 0.3214 0.23903 2017 10 12 58038 0.2045 0.3201 0.23739 2017 10 13 58039 0.2036 0.3188 0.23595 2017 10 14 58040 0.2027 0.3175 0.23446 2017 10 15 58041 0.2018 0.3162 0.23289 2017 10 16 58042 0.2009 0.3149 0.23124 2017 10 17 58043 0.1999 0.3137 0.22945 2017 10 18 58044 0.1989 0.3125 0.22766 2017 10 19 58045 0.1979 0.3113 0.22588 2017 10 20 58046 0.1969 0.3101 0.22402 2017 10 21 58047 0.1958 0.3089 0.22224 2017 10 22 58048 0.1948 0.3077 0.22052 2017 10 23 58049 0.1937 0.3066 0.21885 2017 10 24 58050 0.1926 0.3054 0.21720 2017 10 25 58051 0.1914 0.3043 0.21559 2017 10 26 58052 0.1903 0.3032 0.21397 2017 10 27 58053 0.1891 0.3022 0.21238 2017 10 28 58054 0.1879 0.3011 0.21070 2017 10 29 58055 0.1867 0.3001 0.20890 2017 10 30 58056 0.1855 0.2991 0.20695 2017 10 31 58057 0.1842 0.2981 0.20482 2017 11 1 58058 0.1829 0.2971 0.20264 2017 11 2 58059 0.1817 0.2961 0.20022 2017 11 3 58060 0.1803 0.2952 0.19776 2017 11 4 58061 0.1790 0.2943 0.19519 2017 11 5 58062 0.1777 0.2934 0.19273 2017 11 6 58063 0.1763 0.2925 0.19035 2017 11 7 58064 0.1750 0.2917 0.18805 2017 11 8 58065 0.1736 0.2909 0.18588 2017 11 9 58066 0.1722 0.2900 0.18370 2017 11 10 58067 0.1708 0.2893 0.18149 2017 11 11 58068 0.1694 0.2885 0.17913 2017 11 12 58069 0.1679 0.2878 0.17670 2017 11 13 58070 0.1665 0.2870 0.17421 2017 11 14 58071 0.1650 0.2863 0.17171 2017 11 15 58072 0.1635 0.2857 0.16925 2017 11 16 58073 0.1620 0.2850 0.16691 2017 11 17 58074 0.1606 0.2844 0.16467 2017 11 18 58075 0.1590 0.2838 0.16259 2017 11 19 58076 0.1575 0.2832 0.16071 2017 11 20 58077 0.1560 0.2827 0.15900 2017 11 21 58078 0.1545 0.2822 0.15744 2017 11 22 58079 0.1529 0.2817 0.15603 2017 11 23 58080 0.1514 0.2812 0.15472 2017 11 24 58081 0.1498 0.2807 0.15331 2017 11 25 58082 0.1482 0.2803 0.15194 2017 11 26 58083 0.1467 0.2799 0.15042 2017 11 27 58084 0.1451 0.2795 0.14868 2017 11 28 58085 0.1435 0.2792 0.14683 2017 11 29 58086 0.1419 0.2789 0.14484 2017 11 30 58087 0.1403 0.2786 0.14279 2017 12 1 58088 0.1387 0.2783 0.14078 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) 57701 -101.80 0.30 -10.94 0.05 57702 -101.76 0.30 -10.82 0.05 57703 -101.71 0.30 -10.66 0.05 57704 -101.53 0.30 -10.45 0.15 57705 -101.28 0.30 -10.33 0.04 57706 -101.13 0.30 -10.41 0.04 57707 -101.15 0.30 -10.55 0.04 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 57663 -105.2 -12.1 57664 -105.3 -12.2 57665 -105.1 -12.4 57666 -104.7 -12.6 57667 -104.3 -12.6 57668 -104.2 -12.5 57669 -104.4 -12.5 57670 -104.5 -12.4 57671 -104.5 -12.3 57672 -104.2 -12.2 57673 -104.0 -12.2 57674 -104.0 -12.2 57675 -104.0 -12.1 57676 -103.8 -11.8 57677 -103.6 -11.6 57678 -103.6 -11.6 57679 -103.8 -11.6 57680 -104.1 -11.6 57681 -104.4 -11.5 57682 -104.4 -11.6 57683 -104.1 -11.8 57684 -103.8 -12.0 57685 -103.8 -12.3 57686 -103.5 -12.0 57687 -103.3 -11.8 57688 -103.0 -11.7 57689 -102.8 -11.5 57690 -102.7 -11.2 57691 -102.7 -11.1 57692 -102.7 -11.1 57693 -102.4 -11.2 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 57701 0.036 0.119 -0.251 0.050 57702 0.030 0.119 -0.251 0.050 57703 0.033 0.119 -0.246 0.050 57704 0.039 0.119 -0.253 0.150 57705 0.059 0.119 -0.260 0.040 57706 0.082 0.119 -0.252 0.040 57707 0.100 0.119 -0.235 0.040 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 57663 0.13 -0.17 57664 0.09 -0.20 57665 0.09 -0.23 57666 0.08 -0.28 57667 0.06 -0.22 57668 0.05 -0.12 57669 0.07 -0.15 57670 0.14 -0.14 57671 0.13 -0.15 57672 0.16 -0.13 57673 0.19 -0.12 57674 0.19 -0.11 57675 0.18 -0.15 57676 0.17 -0.14 57677 0.15 -0.16 57678 0.11 -0.17 57679 0.10 -0.09 57680 0.11 -0.10 57681 0.11 -0.06 57682 0.10 -0.08 57683 0.11 -0.07 57684 0.12 -0.09 57685 0.06 -0.37 57686 0.14 -0.17 57687 0.14 -0.09 57688 0.16 -0.13 57689 0.17 -0.15 57690 0.19 -0.11 57691 0.18 -0.18 57692 0.15 -0.19 57693 0.19 -0.18 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).