********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 17 November 2016 Vol. XXIX 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 = -0.4 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 11 57703 0.16942 .00009 0.27634 .00009 -0.338942 0.000008 16 11 12 57704 0.16750 .00009 0.27539 .00009 -0.341083 0.000008 16 11 13 57705 0.16561 .00009 0.27430 .00009 -0.343247 0.000008 16 11 14 57706 0.16362 .00009 0.27326 .00009 -0.345280 0.000011 16 11 15 57707 0.16142 .00009 0.27224 .00009 -0.347122 0.000011 16 11 16 57708 0.15907 .00009 0.27142 .00009 -0.348715 0.000012 16 11 17 57709 0.15669 .00009 0.27081 .00009 -0.350173 0.000016 _______________________________________________________________________ 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 = 0.1019 + 0.0369 cos A - 0.0961 sin A + 0.0180 cos C - 0.0188 sin C y = 0.3770 - 0.0908 cos A - 0.0382 sin A - 0.0188 cos C - 0.0180 sin C UT1-UTC = -0.3586 - 0.00136 (MJD - 57717) - (UT2-UT1) where A = 2*pi*(MJD-57709)/365.25 and C = 2*pi*(MJD-57709)/435. TAI-UTC(MJD 57710) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57709)**0.80 S t = 0.00025 (MJD-57709)**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 18 57710 0.1544 0.2702 -0.35148 2016 11 19 57711 0.1523 0.2697 -0.35274 2016 11 20 57712 0.1502 0.2691 -0.35404 2016 11 21 57713 0.1483 0.2685 -0.35538 2016 11 22 57714 0.1465 0.2678 -0.35676 2016 11 23 57715 0.1447 0.2672 -0.35819 2016 11 24 57716 0.1430 0.2667 -0.35965 2016 11 25 57717 0.1412 0.2662 -0.36110 2016 11 26 57718 0.1394 0.2658 -0.36249 2016 11 27 57719 0.1375 0.2654 -0.36378 2016 11 28 57720 0.1356 0.2651 -0.36495 2016 11 29 57721 0.1336 0.2647 -0.36602 2016 11 30 57722 0.1318 0.2644 -0.36702 2016 12 1 57723 0.1299 0.2641 -0.36798 2016 12 2 57724 0.1281 0.2638 -0.36896 2016 12 3 57725 0.1263 0.2635 -0.36999 2016 12 4 57726 0.1244 0.2633 -0.37110 2016 12 5 57727 0.1226 0.2631 -0.37234 2016 12 6 57728 0.1207 0.2629 -0.37370 2016 12 7 57729 0.1189 0.2628 -0.37521 2016 12 8 57730 0.1170 0.2628 -0.37686 2016 12 9 57731 0.1152 0.2627 -0.37861 2016 12 10 57732 0.1133 0.2627 -0.38039 2016 12 11 57733 0.1115 0.2627 -0.38215 2016 12 12 57734 0.1097 0.2627 -0.38381 2016 12 13 57735 0.1079 0.2627 -0.38533 2016 12 14 57736 0.1061 0.2628 -0.38671 2016 12 15 57737 0.1043 0.2630 -0.38800 2016 12 16 57738 0.1025 0.2631 -0.38924 2016 12 17 57739 0.1007 0.2633 -0.39049 2016 12 18 57740 0.0989 0.2635 -0.39178 2016 12 19 57741 0.0971 0.2637 -0.39310 2016 12 20 57742 0.0953 0.2640 -0.39444 2016 12 21 57743 0.0936 0.2643 -0.39578 2016 12 22 57744 0.0918 0.2646 -0.39709 2016 12 23 57745 0.0901 0.2650 -0.39835 2016 12 24 57746 0.0883 0.2654 -0.39954 2016 12 25 57747 0.0866 0.2658 -0.40064 2016 12 26 57748 0.0848 0.2662 -0.40166 2016 12 27 57749 0.0831 0.2667 -0.40259 2016 12 28 57750 0.0814 0.2672 -0.40345 2016 12 29 57751 0.0797 0.2677 -0.40426 2016 12 30 57752 0.0780 0.2682 -0.40507 2016 12 31 57753 0.0763 0.2688 -0.40592 2017 1 1 57754 0.0747 0.2694 0.59314 2017 1 2 57755 0.0730 0.2700 0.59208 2017 1 3 57756 0.0714 0.2707 0.59087 2017 1 4 57757 0.0698 0.2714 0.58952 2017 1 5 57758 0.0682 0.2721 0.58806 2017 1 6 57759 0.0666 0.2728 0.58653 2017 1 7 57760 0.0650 0.2736 0.58500 2017 1 8 57761 0.0634 0.2743 0.58352 2017 1 9 57762 0.0618 0.2751 0.58215 2017 1 10 57763 0.0603 0.2760 0.58089 2017 1 11 57764 0.0588 0.2768 0.57971 2017 1 12 57765 0.0573 0.2777 0.57858 2017 1 13 57766 0.0558 0.2786 0.57744 2017 1 14 57767 0.0543 0.2795 0.57624 2017 1 15 57768 0.0529 0.2805 0.57496 2017 1 16 57769 0.0514 0.2815 0.57363 2017 1 17 57770 0.0500 0.2825 0.57227 2017 1 18 57771 0.0486 0.2835 0.57090 2017 1 19 57772 0.0473 0.2845 0.56957 2017 1 20 57773 0.0459 0.2856 0.56829 2017 1 21 57774 0.0446 0.2867 0.56709 2017 1 22 57775 0.0433 0.2878 0.56597 2017 1 23 57776 0.0420 0.2889 0.56493 2017 1 24 57777 0.0407 0.2901 0.56396 2017 1 25 57778 0.0394 0.2912 0.56303 2017 1 26 57779 0.0382 0.2924 0.56210 2017 1 27 57780 0.0370 0.2936 0.56113 2017 1 28 57781 0.0358 0.2949 0.56008 2017 1 29 57782 0.0347 0.2961 0.55890 2017 1 30 57783 0.0336 0.2974 0.55756 2017 1 31 57784 0.0324 0.2987 0.55608 2017 2 1 57785 0.0314 0.3000 0.55447 2017 2 2 57786 0.0303 0.3013 0.55279 2017 2 3 57787 0.0293 0.3026 0.55110 2017 2 4 57788 0.0283 0.3040 0.54946 2017 2 5 57789 0.0273 0.3053 0.54791 2017 2 6 57790 0.0263 0.3067 0.54646 2017 2 7 57791 0.0254 0.3081 0.54509 2017 2 8 57792 0.0245 0.3095 0.54376 2017 2 9 57793 0.0236 0.3110 0.54243 2017 2 10 57794 0.0228 0.3124 0.54104 2017 2 11 57795 0.0219 0.3139 0.53956 2017 2 12 57796 0.0211 0.3153 0.53799 2017 2 13 57797 0.0204 0.3168 0.53636 2017 2 14 57798 0.0196 0.3183 0.53472 2017 2 15 57799 0.0189 0.3198 0.53309 2017 2 16 57800 0.0182 0.3213 0.53150 2017 2 17 57801 0.0176 0.3229 0.52999 2017 2 18 57802 0.0170 0.3244 0.52857 2017 2 19 57803 0.0164 0.3260 0.52722 2017 2 20 57804 0.0158 0.3275 0.52594 2017 2 21 57805 0.0153 0.3291 0.52470 2017 2 22 57806 0.0148 0.3307 0.52346 2017 2 23 57807 0.0143 0.3322 0.52218 2017 2 24 57808 0.0138 0.3338 0.52081 2017 2 25 57809 0.0134 0.3354 0.51930 2017 2 26 57810 0.0130 0.3371 0.51761 2017 2 27 57811 0.0127 0.3387 0.51574 2017 2 28 57812 0.0123 0.3403 0.51371 2017 3 1 57813 0.0120 0.3419 0.51157 2017 3 2 57814 0.0118 0.3436 0.50941 2017 3 3 57815 0.0115 0.3452 0.50730 2017 3 4 57816 0.0113 0.3468 0.50530 2017 3 5 57817 0.0112 0.3485 0.50342 2017 3 6 57818 0.0110 0.3501 0.50172 2017 3 7 57819 0.0109 0.3518 0.50010 2017 3 8 57820 0.0108 0.3534 0.49850 2017 3 9 57821 0.0108 0.3551 0.49686 2017 3 10 57822 0.0108 0.3567 0.49513 2017 3 11 57823 0.0108 0.3584 0.49332 2017 3 12 57824 0.0108 0.3601 0.49142 2017 3 13 57825 0.0109 0.3617 0.48948 2017 3 14 57826 0.0110 0.3634 0.48753 2017 3 15 57827 0.0111 0.3650 0.48562 2017 3 16 57828 0.0113 0.3667 0.48378 2017 3 17 57829 0.0115 0.3683 0.48202 2017 3 18 57830 0.0117 0.3700 0.48037 2017 3 19 57831 0.0119 0.3716 0.47880 2017 3 20 57832 0.0122 0.3733 0.47730 2017 3 21 57833 0.0125 0.3749 0.47584 2017 3 22 57834 0.0129 0.3766 0.47436 2017 3 23 57835 0.0133 0.3782 0.47284 2017 3 24 57836 0.0137 0.3798 0.47120 2017 3 25 57837 0.0141 0.3814 0.46942 2017 3 26 57838 0.0146 0.3831 0.46746 2017 3 27 57839 0.0151 0.3847 0.46534 2017 3 28 57840 0.0156 0.3863 0.46307 2017 3 29 57841 0.0162 0.3879 0.46075 2017 3 30 57842 0.0167 0.3894 0.45846 2017 3 31 57843 0.0173 0.3910 0.45627 2017 4 1 57844 0.0180 0.3926 0.45423 2017 4 2 57845 0.0187 0.3941 0.45234 2017 4 3 57846 0.0194 0.3957 0.45056 2017 4 4 57847 0.0201 0.3972 0.44884 2017 4 5 57848 0.0208 0.3987 0.44712 2017 4 6 57849 0.0216 0.4003 0.44535 2017 4 7 57850 0.0224 0.4018 0.44350 2017 4 8 57851 0.0233 0.4033 0.44159 2017 4 9 57852 0.0241 0.4047 0.43964 2017 4 10 57853 0.0250 0.4062 0.43767 2017 4 11 57854 0.0259 0.4076 0.43573 2017 4 12 57855 0.0269 0.4091 0.43386 2017 4 13 57856 0.0279 0.4105 0.43208 2017 4 14 57857 0.0289 0.4119 0.43041 2017 4 15 57858 0.0299 0.4133 0.42884 2017 4 16 57859 0.0309 0.4147 0.42736 2017 4 17 57860 0.0320 0.4161 0.42595 2017 4 18 57861 0.0331 0.4174 0.42456 2017 4 19 57862 0.0342 0.4187 0.42314 2017 4 20 57863 0.0354 0.4200 0.42166 2017 4 21 57864 0.0365 0.4213 0.42006 2017 4 22 57865 0.0377 0.4226 0.41830 2017 4 23 57866 0.0389 0.4239 0.41638 2017 4 24 57867 0.0402 0.4251 0.41430 2017 4 25 57868 0.0414 0.4263 0.41212 2017 4 26 57869 0.0427 0.4275 0.40992 2017 4 27 57870 0.0440 0.4287 0.40778 2017 4 28 57871 0.0453 0.4299 0.40579 2017 4 29 57872 0.0467 0.4310 0.40397 2017 4 30 57873 0.0480 0.4322 0.40230 2017 5 1 57874 0.0494 0.4333 0.40072 2017 5 2 57875 0.0508 0.4343 0.39919 2017 5 3 57876 0.0523 0.4354 0.39763 2017 5 4 57877 0.0537 0.4364 0.39603 2017 5 5 57878 0.0552 0.4375 0.39439 2017 5 6 57879 0.0566 0.4385 0.39271 2017 5 7 57880 0.0581 0.4394 0.39103 2017 5 8 57881 0.0596 0.4404 0.38938 2017 5 9 57882 0.0612 0.4413 0.38781 2017 5 10 57883 0.0627 0.4422 0.38633 2017 5 11 57884 0.0643 0.4431 0.38496 2017 5 12 57885 0.0658 0.4439 0.38371 2017 5 13 57886 0.0674 0.4448 0.38257 2017 5 14 57887 0.0690 0.4456 0.38152 2017 5 15 57888 0.0707 0.4463 0.38053 2017 5 16 57889 0.0723 0.4471 0.37955 2017 5 17 57890 0.0739 0.4478 0.37853 2017 5 18 57891 0.0756 0.4485 0.37744 2017 5 19 57892 0.0773 0.4492 0.37624 2017 5 20 57893 0.0789 0.4499 0.37490 2017 5 21 57894 0.0806 0.4505 0.37343 2017 5 22 57895 0.0823 0.4511 0.37184 2017 5 23 57896 0.0840 0.4517 0.37019 2017 5 24 57897 0.0858 0.4522 0.36856 2017 5 25 57898 0.0875 0.4528 0.36702 2017 5 26 57899 0.0892 0.4533 0.36562 2017 5 27 57900 0.0910 0.4537 0.36435 2017 5 28 57901 0.0927 0.4542 0.36316 2017 5 29 57902 0.0945 0.4546 0.36199 2017 5 30 57903 0.0962 0.4550 0.36077 2017 5 31 57904 0.0980 0.4553 0.35947 2017 6 1 57905 0.0998 0.4557 0.35809 2017 6 2 57906 0.1016 0.4560 0.35663 2017 6 3 57907 0.1033 0.4563 0.35515 2017 6 4 57908 0.1051 0.4565 0.35366 2017 6 5 57909 0.1069 0.4568 0.35222 2017 6 6 57910 0.1087 0.4570 0.35085 2017 6 7 57911 0.1105 0.4571 0.34960 2017 6 8 57912 0.1123 0.4573 0.34849 2017 6 9 57913 0.1141 0.4574 0.34753 2017 6 10 57914 0.1159 0.4575 0.34670 2017 6 11 57915 0.1177 0.4575 0.34598 2017 6 12 57916 0.1195 0.4576 0.34535 2017 6 13 57917 0.1213 0.4576 0.34474 2017 6 14 57918 0.1231 0.4575 0.34411 2017 6 15 57919 0.1249 0.4575 0.34341 2017 6 16 57920 0.1267 0.4574 0.34260 2017 6 17 57921 0.1285 0.4573 0.34166 2017 6 18 57922 0.1303 0.4572 0.34062 2017 6 19 57923 0.1321 0.4570 0.33951 2017 6 20 57924 0.1338 0.4568 0.33841 2017 6 21 57925 0.1356 0.4566 0.33739 2017 6 22 57926 0.1374 0.4564 0.33650 2017 6 23 57927 0.1391 0.4561 0.33574 2017 6 24 57928 0.1409 0.4558 0.33511 2017 6 25 57929 0.1426 0.4555 0.33459 2017 6 26 57930 0.1444 0.4551 0.33411 2017 6 27 57931 0.1461 0.4547 0.33360 2017 6 28 57932 0.1478 0.4543 0.33299 2017 6 29 57933 0.1496 0.4539 0.33228 2017 6 30 57934 0.1513 0.4534 0.33155 2017 7 1 57935 0.1530 0.4530 0.33090 2017 7 2 57936 0.1546 0.4524 0.33031 2017 7 3 57937 0.1563 0.4519 0.32980 2017 7 4 57938 0.1580 0.4513 0.32936 2017 7 5 57939 0.1596 0.4508 0.32916 2017 7 6 57940 0.1613 0.4501 0.32904 2017 7 7 57941 0.1629 0.4495 0.32899 2017 7 8 57942 0.1645 0.4488 0.32903 2017 7 9 57943 0.1661 0.4481 0.32902 2017 7 10 57944 0.1677 0.4474 0.32895 2017 7 11 57945 0.1692 0.4467 0.32880 2017 7 12 57946 0.1708 0.4459 0.32857 2017 7 13 57947 0.1723 0.4451 0.32820 2017 7 14 57948 0.1738 0.4443 0.32767 2017 7 15 57949 0.1753 0.4435 0.32714 2017 7 16 57950 0.1768 0.4426 0.32644 2017 7 17 57951 0.1783 0.4418 0.32582 2017 7 18 57952 0.1798 0.4409 0.32514 2017 7 19 57953 0.1812 0.4399 0.32450 2017 7 20 57954 0.1826 0.4390 0.32385 2017 7 21 57955 0.1840 0.4380 0.32327 2017 7 22 57956 0.1854 0.4370 0.32272 2017 7 23 57957 0.1867 0.4360 0.32215 2017 7 24 57958 0.1881 0.4350 0.32149 2017 7 25 57959 0.1894 0.4339 0.32075 2017 7 26 57960 0.1907 0.4329 0.31986 2017 7 27 57961 0.1919 0.4318 0.31891 2017 7 28 57962 0.1932 0.4306 0.31798 2017 7 29 57963 0.1944 0.4295 0.31720 2017 7 30 57964 0.1956 0.4284 0.31646 2017 7 31 57965 0.1968 0.4272 0.31572 2017 8 1 57966 0.1980 0.4260 0.31517 2017 8 2 57967 0.1991 0.4248 0.31459 2017 8 3 57968 0.2002 0.4236 0.31420 2017 8 4 57969 0.2013 0.4223 0.31390 2017 8 5 57970 0.2024 0.4211 0.31361 2017 8 6 57971 0.2034 0.4198 0.31329 2017 8 7 57972 0.2044 0.4185 0.31291 2017 8 8 57973 0.2054 0.4172 0.31236 2017 8 9 57974 0.2064 0.4159 0.31169 2017 8 10 57975 0.2073 0.4146 0.31093 2017 8 11 57976 0.2082 0.4132 0.31004 2017 8 12 57977 0.2091 0.4118 0.30899 2017 8 13 57978 0.2100 0.4105 0.30802 2017 8 14 57979 0.2108 0.4091 0.30698 2017 8 15 57980 0.2116 0.4077 0.30591 2017 8 16 57981 0.2124 0.4063 0.30486 2017 8 17 57982 0.2132 0.4048 0.30392 2017 8 18 57983 0.2139 0.4034 0.30307 2017 8 19 57984 0.2146 0.4019 0.30219 2017 8 20 57985 0.2152 0.4005 0.30128 2017 8 21 57986 0.2159 0.3990 0.30038 2017 8 22 57987 0.2165 0.3975 0.29942 2017 8 23 57988 0.2171 0.3960 0.29825 2017 8 24 57989 0.2176 0.3945 0.29705 2017 8 25 57990 0.2182 0.3930 0.29588 2017 8 26 57991 0.2187 0.3915 0.29474 2017 8 27 57992 0.2191 0.3900 0.29375 2017 8 28 57993 0.2196 0.3885 0.29286 2017 8 29 57994 0.2200 0.3869 0.29212 2017 8 30 57995 0.2204 0.3854 0.29144 2017 8 31 57996 0.2207 0.3838 0.29100 2017 9 1 57997 0.2210 0.3823 0.29056 2017 9 2 57998 0.2213 0.3807 0.29011 2017 9 3 57999 0.2216 0.3792 0.28957 2017 9 4 58000 0.2218 0.3776 0.28892 2017 9 5 58001 0.2220 0.3760 0.28810 2017 9 6 58002 0.2222 0.3745 0.28705 2017 9 7 58003 0.2223 0.3729 0.28590 2017 9 8 58004 0.2224 0.3713 0.28448 2017 9 9 58005 0.2225 0.3697 0.28304 2017 9 10 58006 0.2226 0.3682 0.28149 2017 9 11 58007 0.2226 0.3666 0.27998 2017 9 12 58008 0.2226 0.3650 0.27858 2017 9 13 58009 0.2226 0.3634 0.27736 2017 9 14 58010 0.2225 0.3619 0.27609 2017 9 15 58011 0.2224 0.3603 0.27505 2017 9 16 58012 0.2223 0.3587 0.27398 2017 9 17 58013 0.2221 0.3571 0.27283 2017 9 18 58014 0.2219 0.3556 0.27158 2017 9 19 58015 0.2217 0.3540 0.27017 2017 9 20 58016 0.2215 0.3524 0.26871 2017 9 21 58017 0.2212 0.3509 0.26723 2017 9 22 58018 0.2209 0.3493 0.26563 2017 9 23 58019 0.2205 0.3478 0.26408 2017 9 24 58020 0.2202 0.3462 0.26257 2017 9 25 58021 0.2198 0.3447 0.26111 2017 9 26 58022 0.2194 0.3432 0.25967 2017 9 27 58023 0.2189 0.3416 0.25828 2017 9 28 58024 0.2184 0.3401 0.25688 2017 9 29 58025 0.2179 0.3386 0.25553 2017 9 30 58026 0.2174 0.3371 0.25410 2017 10 1 58027 0.2168 0.3356 0.25257 2017 10 2 58028 0.2163 0.3342 0.25088 2017 10 3 58029 0.2156 0.3327 0.24902 2017 10 4 58030 0.2150 0.3312 0.24709 2017 10 5 58031 0.2143 0.3298 0.24490 2017 10 6 58032 0.2136 0.3283 0.24263 2017 10 7 58033 0.2129 0.3269 0.24021 2017 10 8 58034 0.2122 0.3255 0.23786 2017 10 9 58035 0.2114 0.3241 0.23556 2017 10 10 58036 0.2106 0.3227 0.23333 2017 10 11 58037 0.2097 0.3213 0.23124 2017 10 12 58038 0.2089 0.3199 0.22916 2017 10 13 58039 0.2080 0.3186 0.22707 2017 10 14 58040 0.2071 0.3172 0.22484 2017 10 15 58041 0.2062 0.3159 0.22253 2017 10 16 58042 0.2052 0.3146 0.22012 2017 10 17 58043 0.2042 0.3133 0.21764 2017 10 18 58044 0.2032 0.3120 0.21516 2017 10 19 58045 0.2022 0.3108 0.21275 2017 10 20 58046 0.2012 0.3095 0.21040 2017 10 21 58047 0.2001 0.3083 0.20819 2017 10 22 58048 0.1990 0.3071 0.20618 2017 10 23 58049 0.1979 0.3059 0.20434 2017 10 24 58050 0.1968 0.3047 0.20264 2017 10 25 58051 0.1956 0.3036 0.20111 2017 10 26 58052 0.1944 0.3024 0.19971 2017 10 27 58053 0.1932 0.3013 0.19822 2017 10 28 58054 0.1920 0.3002 0.19678 2017 10 29 58055 0.1908 0.2991 0.19519 2017 10 30 58056 0.1895 0.2981 0.19339 2017 10 31 58057 0.1882 0.2970 0.19146 2017 11 1 58058 0.1869 0.2960 0.18937 2017 11 2 58059 0.1856 0.2950 0.18718 2017 11 3 58060 0.1843 0.2940 0.18500 2017 11 4 58061 0.1829 0.2931 0.18283 2017 11 5 58062 0.1816 0.2921 0.18074 2017 11 6 58063 0.1802 0.2912 0.17876 2017 11 7 58064 0.1788 0.2903 0.17693 2017 11 8 58065 0.1774 0.2895 0.17519 2017 11 9 58066 0.1759 0.2886 0.17341 2017 11 10 58067 0.1745 0.2878 0.17160 2017 11 11 58068 0.1730 0.2870 0.16971 2017 11 12 58069 0.1715 0.2862 0.16766 2017 11 13 58070 0.1701 0.2855 0.16561 2017 11 14 58071 0.1686 0.2847 0.16356 2017 11 15 58072 0.1670 0.2840 0.16155 2017 11 16 58073 0.1655 0.2834 0.15966 2017 11 17 58074 0.1640 0.2827 0.15781 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) 57687 -103.20 0.30 -11.77 0.02 57688 -102.96 0.30 -11.65 0.02 57689 -102.79 0.30 -11.45 0.02 57690 -102.73 0.30 -11.18 0.15 57691 -102.71 0.30 -10.99 0.03 57692 -102.60 0.30 -10.98 0.03 57693 -102.34 0.30 -11.11 0.03 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 57687 0.184 0.119 -0.057 0.020 57688 0.178 0.119 -0.081 0.020 57689 0.174 0.119 -0.096 0.020 57690 0.174 0.119 -0.086 0.150 57691 0.178 0.119 -0.074 0.030 57692 0.194 0.119 -0.069 0.030 57693 0.210 0.119 -0.086 0.030 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).