********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 6 March 2014 Vol. XXVII No. 010 ______________________________________________________________________ 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 = -0.2 seconds beginning 20 Feb 2014 at 0000 UTC Beginning 1 July 2012: TAI-UTC = 35.000 000 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 * * * *********************************************************************** ________________________________________________________________________ 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 14 2 28 56716 0.01926 .00009 0.38523 .00010 -0.159731 0.000011 14 3 1 56717 0.01982 .00009 0.38653 .00010 -0.161690 0.000010 14 3 2 56718 0.02024 .00009 0.38786 .00009 -0.163682 0.000010 14 3 3 56719 0.02044 .00009 0.38933 .00009 -0.165652 0.000011 14 3 4 56720 0.02046 .00009 0.39080 .00009 -0.167517 0.000010 14 3 5 56721 0.02040 .00009 0.39198 .00009 -0.169220 0.000010 14 3 6 56722 0.02044 .00009 0.39292 .00009 -0.170725 0.000008 IERS Final Values MJD x y UT1-UTC " " s 14 1 2 56659 0.0384 0.3196 -0.09824 14 1 3 56660 0.0378 0.3204 -0.09950 14 1 4 56661 0.0371 0.3208 -0.10085 14 1 5 56662 0.0367 0.3212 -0.10226 14 1 6 56663 0.0361 0.3219 -0.10367 14 1 7 56664 0.0353 0.3228 -0.10499 14 1 8 56665 0.0343 0.3239 -0.10617 14 1 9 56666 0.0339 0.3250 -0.10720 14 1 10 56667 0.0335 0.3264 -0.10810 14 1 11 56668 0.0328 0.3278 -0.10885 14 1 12 56669 0.0316 0.3289 -0.10948 14 1 13 56670 0.0303 0.3300 -0.11003 14 1 14 56671 0.0294 0.3307 -0.11058 14 1 15 56672 0.0285 0.3317 -0.11117 14 1 16 56673 0.0275 0.3326 -0.11184 14 1 17 56674 0.0266 0.3337 -0.11260 14 1 18 56675 0.0259 0.3351 -0.11349 14 1 19 56676 0.0248 0.3364 -0.11455 14 1 20 56677 0.0238 0.3374 -0.11571 14 1 21 56678 0.0237 0.3382 -0.11696 14 1 22 56679 0.0241 0.3390 -0.11824 14 1 23 56680 0.0243 0.3399 -0.11951 14 1 24 56681 0.0245 0.3407 -0.12072 14 1 25 56682 0.0243 0.3413 -0.12183 14 1 26 56683 0.0241 0.3418 -0.12286 14 1 27 56684 0.0242 0.3426 -0.12383 14 1 28 56685 0.0244 0.3439 -0.12479 14 1 29 56686 0.0245 0.3455 -0.12581 14 1 30 56687 0.0245 0.3469 -0.12696 14 1 31 56688 0.0242 0.3479 -0.12826 14 2 1 56689 0.0237 0.3488 -0.12965 _______________________________________________________________________ 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 = 0.0859 - 0.1043 cos A + 0.0272 sin A + 0.0363 cos C + 0.0243 sin C y = 0.3519 + 0.0205 cos A + 0.0967 sin A + 0.0243 cos C - 0.0363 sin C UT1-UTC = -0.1683 - 0.00102 (MJD - 56730) - (UT2-UT1) where A = 2*pi*(MJD-56722)/365.25 and C = 2*pi*(MJD-56722)/435. TAI-UTC(MJD 56723) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56722)**0.80 S t = 0.00025 (MJD-56722)**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) 2014 3 7 56723 0.0207 0.3939 -0.17206 2014 3 8 56724 0.0210 0.3949 -0.17327 2014 3 9 56725 0.0216 0.3959 -0.17437 2014 3 10 56726 0.0222 0.3970 -0.17540 2014 3 11 56727 0.0229 0.3982 -0.17640 2014 3 12 56728 0.0236 0.3995 -0.17741 2014 3 13 56729 0.0242 0.4008 -0.17845 2014 3 14 56730 0.0249 0.4021 -0.17959 2014 3 15 56731 0.0256 0.4033 -0.18084 2014 3 16 56732 0.0263 0.4045 -0.18222 2014 3 17 56733 0.0271 0.4057 -0.18373 2014 3 18 56734 0.0280 0.4069 -0.18533 2014 3 19 56735 0.0289 0.4080 -0.18695 2014 3 20 56736 0.0298 0.4092 -0.18854 2014 3 21 56737 0.0308 0.4104 -0.19008 2014 3 22 56738 0.0317 0.4116 -0.19156 2014 3 23 56739 0.0327 0.4128 -0.19299 2014 3 24 56740 0.0338 0.4139 -0.19441 2014 3 25 56741 0.0348 0.4151 -0.19588 2014 3 26 56742 0.0359 0.4162 -0.19747 2014 3 27 56743 0.0370 0.4173 -0.19922 2014 3 28 56744 0.0382 0.4184 -0.20111 2014 3 29 56745 0.0394 0.4194 -0.20309 2014 3 30 56746 0.0406 0.4205 -0.20509 2014 3 31 56747 0.0418 0.4216 -0.20701 2014 4 1 56748 0.0431 0.4226 -0.20877 2014 4 2 56749 0.0444 0.4236 -0.21035 2014 4 3 56750 0.0457 0.4246 -0.21174 2014 4 4 56751 0.0470 0.4256 -0.21299 2014 4 5 56752 0.0484 0.4265 -0.21414 2014 4 6 56753 0.0498 0.4274 -0.21524 2014 4 7 56754 0.0512 0.4284 -0.21633 2014 4 8 56755 0.0526 0.4292 -0.21746 2014 4 9 56756 0.0541 0.4301 -0.21868 2014 4 10 56757 0.0556 0.4310 -0.21999 2014 4 11 56758 0.0571 0.4318 -0.22141 2014 4 12 56759 0.0586 0.4326 -0.22292 2014 4 13 56760 0.0601 0.4334 -0.22449 2014 4 14 56761 0.0617 0.4341 -0.22610 2014 4 15 56762 0.0633 0.4349 -0.22770 2014 4 16 56763 0.0649 0.4356 -0.22925 2014 4 17 56764 0.0665 0.4363 -0.23071 2014 4 18 56765 0.0681 0.4370 -0.23208 2014 4 19 56766 0.0698 0.4376 -0.23338 2014 4 20 56767 0.0715 0.4382 -0.23467 2014 4 21 56768 0.0732 0.4388 -0.23600 2014 4 22 56769 0.0749 0.4394 -0.23742 2014 4 23 56770 0.0766 0.4399 -0.23897 2014 4 24 56771 0.0783 0.4404 -0.24065 2014 4 25 56772 0.0801 0.4409 -0.24243 2014 4 26 56773 0.0818 0.4414 -0.24424 2014 4 27 56774 0.0836 0.4418 -0.24602 2014 4 28 56775 0.0854 0.4422 -0.24770 2014 4 29 56776 0.0872 0.4426 -0.24922 2014 4 30 56777 0.0890 0.4430 -0.25057 2014 5 1 56778 0.0908 0.4433 -0.25175 2014 5 2 56779 0.0927 0.4436 -0.25280 2014 5 3 56780 0.0945 0.4439 -0.25378 2014 5 4 56781 0.0964 0.4441 -0.25471 2014 5 5 56782 0.0982 0.4443 -0.25564 2014 5 6 56783 0.1001 0.4445 -0.25662 2014 5 7 56784 0.1020 0.4447 -0.25765 2014 5 8 56785 0.1039 0.4448 -0.25876 2014 5 9 56786 0.1058 0.4449 -0.25995 2014 5 10 56787 0.1077 0.4450 -0.26120 2014 5 11 56788 0.1096 0.4450 -0.26249 2014 5 12 56789 0.1115 0.4450 -0.26377 2014 5 13 56790 0.1134 0.4450 -0.26502 2014 5 14 56791 0.1154 0.4449 -0.26618 2014 5 15 56792 0.1173 0.4449 -0.26725 2014 5 16 56793 0.1192 0.4448 -0.26822 2014 5 17 56794 0.1212 0.4446 -0.26913 2014 5 18 56795 0.1231 0.4445 -0.27004 2014 5 19 56796 0.1250 0.4443 -0.27101 2014 5 20 56797 0.1270 0.4440 -0.27206 2014 5 21 56798 0.1289 0.4438 -0.27322 2014 5 22 56799 0.1309 0.4435 -0.27445 2014 5 23 56800 0.1328 0.4432 -0.27571 2014 5 24 56801 0.1347 0.4428 -0.27694 2014 5 25 56802 0.1367 0.4425 -0.27807 2014 5 26 56803 0.1386 0.4421 -0.27906 2014 5 27 56804 0.1405 0.4416 -0.27988 2014 5 28 56805 0.1425 0.4412 -0.28053 2014 5 29 56806 0.1444 0.4407 -0.28105 2014 5 30 56807 0.1463 0.4401 -0.28146 2014 5 31 56808 0.1482 0.4396 -0.28183 2014 6 1 56809 0.1501 0.4390 -0.28218 2014 6 2 56810 0.1520 0.4384 -0.28255 2014 6 3 56811 0.1539 0.4377 -0.28297 2014 6 4 56812 0.1558 0.4371 -0.28346 2014 6 5 56813 0.1577 0.4364 -0.28401 2014 6 6 56814 0.1596 0.4356 -0.28463 2014 6 7 56815 0.1614 0.4349 -0.28529 2014 6 8 56816 0.1633 0.4341 -0.28596 2014 6 9 56817 0.1651 0.4333 -0.28661 2014 6 10 56818 0.1669 0.4324 -0.28722 2014 6 11 56819 0.1688 0.4315 -0.28774 2014 6 12 56820 0.1706 0.4306 -0.28819 2014 6 13 56821 0.1724 0.4297 -0.28858 2014 6 14 56822 0.1741 0.4287 -0.28895 2014 6 15 56823 0.1759 0.4277 -0.28938 2014 6 16 56824 0.1776 0.4267 -0.28991 2014 6 17 56825 0.1794 0.4257 -0.29055 2014 6 18 56826 0.1811 0.4246 -0.29129 2014 6 19 56827 0.1828 0.4235 -0.29206 2014 6 20 56828 0.1845 0.4224 -0.29280 2014 6 21 56829 0.1862 0.4212 -0.29344 2014 6 22 56830 0.1878 0.4200 -0.29395 2014 6 23 56831 0.1894 0.4188 -0.29431 2014 6 24 56832 0.1911 0.4176 -0.29450 2014 6 25 56833 0.1926 0.4163 -0.29456 2014 6 26 56834 0.1942 0.4150 -0.29452 2014 6 27 56835 0.1958 0.4137 -0.29443 2014 6 28 56836 0.1973 0.4124 -0.29431 2014 6 29 56837 0.1988 0.4110 -0.29423 2014 6 30 56838 0.2003 0.4096 -0.29419 2014 7 1 56839 0.2018 0.4082 -0.29422 2014 7 2 56840 0.2032 0.4068 -0.29433 2014 7 3 56841 0.2047 0.4053 -0.29451 2014 7 4 56842 0.2060 0.4039 -0.29473 2014 7 5 56843 0.2074 0.4024 -0.29499 2014 7 6 56844 0.2088 0.4008 -0.29524 2014 7 7 56845 0.2101 0.3993 -0.29547 2014 7 8 56846 0.2114 0.3977 -0.29564 2014 7 9 56847 0.2127 0.3961 -0.29575 2014 7 10 56848 0.2139 0.3945 -0.29581 2014 7 11 56849 0.2151 0.3929 -0.29587 2014 7 12 56850 0.2163 0.3912 -0.29597 2014 7 13 56851 0.2175 0.3896 -0.29619 2014 7 14 56852 0.2186 0.3879 -0.29656 2014 7 15 56853 0.2197 0.3862 -0.29707 2014 7 16 56854 0.2208 0.3844 -0.29766 2014 7 17 56855 0.2219 0.3827 -0.29826 2014 7 18 56856 0.2229 0.3809 -0.29878 2014 7 19 56857 0.2239 0.3792 -0.29917 2014 7 20 56858 0.2248 0.3774 -0.29940 2014 7 21 56859 0.2257 0.3755 -0.29947 2014 7 22 56860 0.2266 0.3737 -0.29941 2014 7 23 56861 0.2275 0.3719 -0.29925 2014 7 24 56862 0.2283 0.3700 -0.29903 2014 7 25 56863 0.2291 0.3681 -0.29880 2014 7 26 56864 0.2299 0.3662 -0.29860 2014 7 27 56865 0.2306 0.3643 -0.29846 2014 7 28 56866 0.2313 0.3624 -0.29840 2014 7 29 56867 0.2320 0.3605 -0.29844 2014 7 30 56868 0.2326 0.3586 -0.29856 2014 7 31 56869 0.2332 0.3566 -0.29875 2014 8 1 56870 0.2338 0.3547 -0.29898 2014 8 2 56871 0.2343 0.3527 -0.29924 2014 8 3 56872 0.2348 0.3507 -0.29948 2014 8 4 56873 0.2353 0.3487 -0.29969 2014 8 5 56874 0.2357 0.3467 -0.29986 2014 8 6 56875 0.2361 0.3447 -0.30000 2014 8 7 56876 0.2365 0.3427 -0.30013 2014 8 8 56877 0.2368 0.3407 -0.30030 2014 8 9 56878 0.2371 0.3387 -0.30059 2014 8 10 56879 0.2373 0.3366 -0.30105 2014 8 11 56880 0.2375 0.3346 -0.30169 2014 8 12 56881 0.2377 0.3325 -0.30248 2014 8 13 56882 0.2378 0.3305 -0.30334 2014 8 14 56883 0.2379 0.3284 -0.30418 2014 8 15 56884 0.2380 0.3264 -0.30492 2014 8 16 56885 0.2380 0.3243 -0.30550 2014 8 17 56886 0.2380 0.3223 -0.30592 2014 8 18 56887 0.2380 0.3202 -0.30618 2014 8 19 56888 0.2379 0.3181 -0.30634 2014 8 20 56889 0.2377 0.3161 -0.30643 2014 8 21 56890 0.2376 0.3140 -0.30651 2014 8 22 56891 0.2374 0.3120 -0.30661 2014 8 23 56892 0.2372 0.3099 -0.30677 2014 8 24 56893 0.2369 0.3078 -0.30702 2014 8 25 56894 0.2366 0.3058 -0.30737 2014 8 26 56895 0.2362 0.3037 -0.30781 2014 8 27 56896 0.2358 0.3017 -0.30833 2014 8 28 56897 0.2354 0.2996 -0.30892 2014 8 29 56898 0.2349 0.2976 -0.30952 2014 8 30 56899 0.2344 0.2956 -0.31013 2014 8 31 56900 0.2339 0.2935 -0.31070 2014 9 1 56901 0.2333 0.2915 -0.31122 2014 9 2 56902 0.2327 0.2895 -0.31170 2014 9 3 56903 0.2321 0.2875 -0.31215 2014 9 4 56904 0.2314 0.2855 -0.31261 2014 9 5 56905 0.2307 0.2835 -0.31315 2014 9 6 56906 0.2299 0.2815 -0.31382 2014 9 7 56907 0.2291 0.2796 -0.31465 2014 9 8 56908 0.2283 0.2776 -0.31566 2014 9 9 56909 0.2274 0.2756 -0.31677 2014 9 10 56910 0.2265 0.2737 -0.31791 2014 9 11 56911 0.2255 0.2718 -0.31899 2014 9 12 56912 0.2246 0.2699 -0.31993 2014 9 13 56913 0.2235 0.2680 -0.32070 2014 9 14 56914 0.2225 0.2661 -0.32132 2014 9 15 56915 0.2214 0.2642 -0.32182 2014 9 16 56916 0.2203 0.2624 -0.32227 2014 9 17 56917 0.2191 0.2605 -0.32271 2014 9 18 56918 0.2179 0.2587 -0.32319 2014 9 19 56919 0.2167 0.2569 -0.32375 2014 9 20 56920 0.2154 0.2551 -0.32441 2014 9 21 56921 0.2142 0.2533 -0.32518 2014 9 22 56922 0.2128 0.2516 -0.32607 2014 9 23 56923 0.2115 0.2499 -0.32705 2014 9 24 56924 0.2101 0.2482 -0.32811 2014 9 25 56925 0.2086 0.2465 -0.32922 2014 9 26 56926 0.2072 0.2448 -0.33034 2014 9 27 56927 0.2057 0.2431 -0.33145 2014 9 28 56928 0.2042 0.2415 -0.33251 2014 9 29 56929 0.2026 0.2399 -0.33353 2014 9 30 56930 0.2010 0.2383 -0.33452 2014 10 1 56931 0.1994 0.2367 -0.33552 2014 10 2 56932 0.1977 0.2352 -0.33657 2014 10 3 56933 0.1961 0.2337 -0.33773 2014 10 4 56934 0.1943 0.2322 -0.33906 2014 10 5 56935 0.1926 0.2307 -0.34057 2014 10 6 56936 0.1908 0.2293 -0.34227 2014 10 7 56937 0.1890 0.2279 -0.34410 2014 10 8 56938 0.1872 0.2265 -0.34597 2014 10 9 56939 0.1854 0.2251 -0.34778 2014 10 10 56940 0.1835 0.2238 -0.34942 2014 10 11 56941 0.1816 0.2225 -0.35088 2014 10 12 56942 0.1797 0.2212 -0.35215 2014 10 13 56943 0.1777 0.2200 -0.35328 2014 10 14 56944 0.1757 0.2187 -0.35435 2014 10 15 56945 0.1737 0.2176 -0.35541 2014 10 16 56946 0.1717 0.2164 -0.35653 2014 10 17 56947 0.1696 0.2153 -0.35770 2014 10 18 56948 0.1675 0.2142 -0.35895 2014 10 19 56949 0.1654 0.2131 -0.36031 2014 10 20 56950 0.1633 0.2121 -0.36178 2014 10 21 56951 0.1612 0.2110 -0.36337 2014 10 22 56952 0.1590 0.2101 -0.36498 2014 10 23 56953 0.1568 0.2091 -0.36658 2014 10 24 56954 0.1546 0.2082 -0.36816 2014 10 25 56955 0.1524 0.2073 -0.36973 2014 10 26 56956 0.1502 0.2065 -0.37122 2014 10 27 56957 0.1479 0.2057 -0.37263 2014 10 28 56958 0.1456 0.2049 -0.37400 2014 10 29 56959 0.1433 0.2042 -0.37538 2014 10 30 56960 0.1410 0.2035 -0.37679 2014 10 31 56961 0.1387 0.2028 -0.37832 2014 11 1 56962 0.1363 0.2022 -0.37996 2014 11 2 56963 0.1340 0.2015 -0.38174 2014 11 3 56964 0.1316 0.2010 -0.38361 2014 11 4 56965 0.1292 0.2005 -0.38554 2014 11 5 56966 0.1268 0.2000 -0.38745 2014 11 6 56967 0.1244 0.1995 -0.38929 2014 11 7 56968 0.1220 0.1991 -0.39100 2014 11 8 56969 0.1196 0.1987 -0.39257 2014 11 9 56970 0.1171 0.1983 -0.39396 2014 11 10 56971 0.1147 0.1980 -0.39525 2014 11 11 56972 0.1122 0.1978 -0.39646 2014 11 12 56973 0.1098 0.1975 -0.39761 2014 11 13 56974 0.1073 0.1973 -0.39879 2014 11 14 56975 0.1048 0.1972 -0.40003 2014 11 15 56976 0.1023 0.1970 -0.40135 2014 11 16 56977 0.0998 0.1969 -0.40271 2014 11 17 56978 0.0973 0.1969 -0.40408 2014 11 18 56979 0.0948 0.1969 -0.40546 2014 11 19 56980 0.0923 0.1969 -0.40679 2014 11 20 56981 0.0898 0.1970 -0.40808 2014 11 21 56982 0.0873 0.1971 -0.40932 2014 11 22 56983 0.0848 0.1972 -0.41046 2014 11 23 56984 0.0823 0.1974 -0.41155 2014 11 24 56985 0.0798 0.1976 -0.41262 2014 11 25 56986 0.0772 0.1979 -0.41371 2014 11 26 56987 0.0747 0.1982 -0.41491 2014 11 27 56988 0.0722 0.1985 -0.41625 2014 11 28 56989 0.0697 0.1989 -0.41776 2014 11 29 56990 0.0672 0.1993 -0.41943 2014 11 30 56991 0.0647 0.1997 -0.42124 2014 12 1 56992 0.0622 0.2002 -0.42312 2014 12 2 56993 0.0597 0.2007 -0.42501 2014 12 3 56994 0.0573 0.2013 -0.42679 2014 12 4 56995 0.0548 0.2019 -0.42843 2014 12 5 56996 0.0523 0.2026 -0.42990 2014 12 6 56997 0.0499 0.2032 -0.43126 2014 12 7 56998 0.0474 0.2040 -0.43248 2014 12 8 56999 0.0450 0.2047 -0.43358 2014 12 9 57000 0.0426 0.2055 -0.43467 2014 12 10 57001 0.0401 0.2063 -0.43573 2014 12 11 57002 0.0377 0.2072 -0.43682 2014 12 12 57003 0.0353 0.2081 -0.43795 2014 12 13 57004 0.0330 0.2090 -0.43913 2014 12 14 57005 0.0306 0.2100 -0.44031 2014 12 15 57006 0.0282 0.2110 -0.44153 2014 12 16 57007 0.0259 0.2121 -0.44275 2014 12 17 57008 0.0236 0.2132 -0.44389 2014 12 18 57009 0.0213 0.2143 -0.44498 2014 12 19 57010 0.0190 0.2155 -0.44603 2014 12 20 57011 0.0167 0.2167 -0.44700 2014 12 21 57012 0.0145 0.2179 -0.44789 2014 12 22 57013 0.0123 0.2191 -0.44873 2014 12 23 57014 0.0101 0.2204 -0.44957 2014 12 24 57015 0.0079 0.2218 -0.45046 2014 12 25 57016 0.0057 0.2232 -0.45147 2014 12 26 57017 0.0036 0.2246 -0.45262 2014 12 27 57018 0.0014 0.2260 -0.45399 2014 12 28 57019 -0.0007 0.2275 -0.45542 2014 12 29 57020 -0.0027 0.2290 -0.45687 2014 12 30 57021 -0.0048 0.2305 -0.45833 2014 12 31 57022 -0.0068 0.2321 -0.45974 2015 1 1 57023 -0.0088 0.2337 -0.46106 2015 1 2 57024 -0.0108 0.2353 -0.46227 2015 1 3 57025 -0.0128 0.2370 -0.46332 2015 1 4 57026 -0.0147 0.2387 -0.46430 2015 1 5 57027 -0.0166 0.2404 -0.46527 2015 1 6 57028 -0.0184 0.2421 -0.46629 2015 1 7 57029 -0.0203 0.2439 -0.46737 2015 1 8 57030 -0.0221 0.2457 -0.46852 2015 1 9 57031 -0.0239 0.2476 -0.46972 2015 1 10 57032 -0.0256 0.2494 -0.47096 2015 1 11 57033 -0.0273 0.2513 -0.47223 2015 1 12 57034 -0.0290 0.2533 -0.47354 2015 1 13 57035 -0.0306 0.2552 -0.47482 2015 1 14 57036 -0.0323 0.2572 -0.47610 2015 1 15 57037 -0.0338 0.2592 -0.47737 2015 1 16 57038 -0.0354 0.2612 -0.47859 2015 1 17 57039 -0.0369 0.2633 -0.47974 2015 1 18 57040 -0.0384 0.2654 -0.48092 2015 1 19 57041 -0.0398 0.2675 -0.48215 2015 1 20 57042 -0.0413 0.2696 -0.48341 2015 1 21 57043 -0.0426 0.2717 -0.48480 2015 1 22 57044 -0.0440 0.2739 -0.48635 2015 1 23 57045 -0.0453 0.2761 -0.48801 2015 1 24 57046 -0.0465 0.2783 -0.48974 2015 1 25 57047 -0.0478 0.2806 -0.49144 2015 1 26 57048 -0.0489 0.2828 -0.49304 2015 1 27 57049 -0.0501 0.2851 -0.49451 2015 1 28 57050 -0.0512 0.2874 -0.49581 2015 1 29 57051 -0.0523 0.2897 -0.49696 2015 1 30 57052 -0.0533 0.2920 -0.49802 2015 1 31 57053 -0.0543 0.2944 -0.49899 2015 2 1 57054 -0.0552 0.2967 -0.49989 2015 2 2 57055 -0.0562 0.2991 -0.50079 2015 2 3 57056 -0.0570 0.3015 -0.50170 2015 2 4 57057 -0.0578 0.3039 -0.50266 2015 2 5 57058 -0.0586 0.3063 -0.50374 2015 2 6 57059 -0.0594 0.3088 -0.50489 2015 2 7 57060 -0.0601 0.3112 -0.50606 2015 2 8 57061 -0.0607 0.3137 -0.50729 2015 2 9 57062 -0.0614 0.3162 -0.50859 2015 2 10 57063 -0.0619 0.3187 -0.50984 2015 2 11 57064 -0.0625 0.3212 -0.51101 2015 2 12 57065 -0.0629 0.3237 -0.51215 2015 2 13 57066 -0.0634 0.3262 -0.51326 2015 2 14 57067 -0.0638 0.3287 -0.51435 2015 2 15 57068 -0.0641 0.3312 -0.51549 2015 2 16 57069 -0.0644 0.3338 -0.51673 2015 2 17 57070 -0.0647 0.3363 -0.51812 2015 2 18 57071 -0.0649 0.3389 -0.51970 2015 2 19 57072 -0.0651 0.3414 -0.52151 2015 2 20 57073 -0.0652 0.3440 -0.52348 2015 2 21 57074 -0.0653 0.3465 -0.52548 2015 2 22 57075 -0.0654 0.3491 -0.52746 2015 2 23 57076 -0.0654 0.3517 -0.52936 2015 2 24 57077 -0.0653 0.3542 -0.53111 2015 2 25 57078 -0.0652 0.3568 -0.53269 2015 2 26 57079 -0.0651 0.3594 -0.53411 2015 2 27 57080 -0.0649 0.3620 -0.53542 2015 2 28 57081 -0.0647 0.3645 -0.53664 2015 3 1 57082 -0.0644 0.3671 -0.53782 2015 3 2 57083 -0.0641 0.3697 -0.53898 2015 3 3 57084 -0.0637 0.3722 -0.54016 2015 3 4 57085 -0.0633 0.3748 -0.54141 2015 3 5 57086 -0.0628 0.3773 -0.54273 2015 3 6 57087 -0.0623 0.3799 -0.54411 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) 56700 -81.46 0.30 -10.33 0.04 56701 -81.18 0.30 -10.31 0.04 56702 -80.96 0.30 -10.30 0.04 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 56659 -81.5 -9.5 56660 -81.7 -9.2 56661 -81.6 -9.0 56662 -81.4 -9.0 56663 -81.1 -8.9 56664 -81.2 -8.9 56665 -81.4 -8.9 56666 -81.6 -9.0 56667 -81.6 -9.3 56668 -81.5 -9.4 56669 -81.5 -9.4 56670 -81.5 -9.3 56671 -81.5 -9.2 56672 -81.2 -9.3 56673 -80.9 -9.3 56674 -80.7 -9.3 56675 -80.6 -9.4 56676 -80.6 -9.6 56677 -80.6 -9.7 56678 -80.5 -9.7 56679 -80.5 -9.6 56680 -80.4 -9.5 56681 -80.5 -9.6 56682 -80.8 -9.6 56683 -81.0 -9.6 56684 -81.3 -9.6 56685 -81.5 -9.8 56686 -81.7 -10.1 56687 -81.7 -10.1 56688 -81.6 -9.8 56689 -81.5 -9.6 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56700 0.121 0.119 0.173 0.040 56701 0.130 0.119 0.180 0.040 56702 0.142 0.119 0.184 0.040 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 56659 -0.05 0.13 56660 -0.08 0.22 56661 -0.04 0.22 56662 -0.02 0.15 56663 0.05 0.20 56664 0.07 0.12 56665 0.09 0.12 56666 0.06 0.18 56667 0.04 0.12 56668 0.06 0.16 56669 0.07 0.15 56670 0.08 0.18 56671 0.06 0.23 56672 0.13 0.11 56673 0.19 0.08 56674 0.21 0.08 56675 0.21 0.07 56676 0.18 0.04 56677 0.15 0.07 56678 0.13 0.05 56679 0.10 0.05 56680 0.18 0.09 56681 0.29 0.01 56682 0.32 0.01 56683 0.33 -0.04 56684 0.26 -0.01 56685 0.22 0.01 56686 0.19 -0.05 56687 0.22 -0.05 56688 0.25 0.00 56689 0.21 -0.03 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).