********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 12 June 2014 Vol. XXVII No. 024 ______________________________________________________________________ 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 8 May 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 6 6 56814 0.13637 .00009 0.43800 .00009 -0.285225 0.000018 14 6 7 56815 0.13841 .00009 0.43734 .00009 -0.285954 0.000017 14 6 8 56816 0.14032 .00009 0.43664 .00009 -0.286690 0.000015 14 6 9 56817 0.14216 .00009 0.43591 .00009 -0.287392 0.000007 14 6 10 56818 0.14394 .00009 0.43528 .00009 -0.288069 0.000008 14 6 11 56819 0.14573 .00009 0.43476 .00009 -0.288739 0.000007 14 6 12 56820 0.14747 .00009 0.43431 .00009 -0.289393 0.000006 _______________________________________________________________________ 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 = 0.0942 + 0.0102 cos A + 0.0934 sin A + 0.0460 cos C - 0.0087 sin C y = 0.3503 + 0.0877 cos A - 0.0088 sin A - 0.0087 cos C - 0.0460 sin C UT1-UTC = -0.2669 - 0.00100 (MJD - 56828) - (UT2-UT1) where A = 2*pi*(MJD-56820)/365.25 and C = 2*pi*(MJD-56820)/435. TAI-UTC(MJD 56821) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56820)**0.80 S t = 0.00025 (MJD-56820)**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 6 13 56821 0.1491 0.4337 -0.28995 2014 6 14 56822 0.1508 0.4331 -0.29049 2014 6 15 56823 0.1525 0.4324 -0.29110 2014 6 16 56824 0.1541 0.4317 -0.29182 2014 6 17 56825 0.1557 0.4309 -0.29266 2014 6 18 56826 0.1574 0.4302 -0.29361 2014 6 19 56827 0.1590 0.4294 -0.29460 2014 6 20 56828 0.1607 0.4287 -0.29556 2014 6 21 56829 0.1623 0.4279 -0.29643 2014 6 22 56830 0.1639 0.4271 -0.29714 2014 6 23 56831 0.1655 0.4262 -0.29769 2014 6 24 56832 0.1671 0.4254 -0.29806 2014 6 25 56833 0.1687 0.4245 -0.29829 2014 6 26 56834 0.1703 0.4236 -0.29839 2014 6 27 56835 0.1719 0.4227 -0.29841 2014 6 28 56836 0.1735 0.4217 -0.29839 2014 6 29 56837 0.1750 0.4207 -0.29837 2014 6 30 56838 0.1765 0.4198 -0.29840 2014 7 1 56839 0.1781 0.4188 -0.29848 2014 7 2 56840 0.1796 0.4177 -0.29865 2014 7 3 56841 0.1810 0.4167 -0.29889 2014 7 4 56842 0.1825 0.4156 -0.29919 2014 7 5 56843 0.1840 0.4145 -0.29953 2014 7 6 56844 0.1854 0.4134 -0.29989 2014 7 7 56845 0.1868 0.4122 -0.30023 2014 7 8 56846 0.1882 0.4110 -0.30051 2014 7 9 56847 0.1896 0.4099 -0.30073 2014 7 10 56848 0.1910 0.4087 -0.30090 2014 7 11 56849 0.1923 0.4074 -0.30106 2014 7 12 56850 0.1936 0.4062 -0.30129 2014 7 13 56851 0.1949 0.4049 -0.30164 2014 7 14 56852 0.1962 0.4036 -0.30214 2014 7 15 56853 0.1975 0.4023 -0.30279 2014 7 16 56854 0.1987 0.4009 -0.30352 2014 7 17 56855 0.1999 0.3996 -0.30425 2014 7 18 56856 0.2011 0.3982 -0.30492 2014 7 19 56857 0.2022 0.3968 -0.30545 2014 7 20 56858 0.2034 0.3954 -0.30582 2014 7 21 56859 0.2045 0.3939 -0.30602 2014 7 22 56860 0.2056 0.3925 -0.30607 2014 7 23 56861 0.2067 0.3910 -0.30599 2014 7 24 56862 0.2077 0.3895 -0.30584 2014 7 25 56863 0.2087 0.3880 -0.30566 2014 7 26 56864 0.2097 0.3865 -0.30551 2014 7 27 56865 0.2107 0.3849 -0.30540 2014 7 28 56866 0.2116 0.3834 -0.30537 2014 7 29 56867 0.2125 0.3818 -0.30543 2014 7 30 56868 0.2134 0.3802 -0.30556 2014 7 31 56869 0.2142 0.3786 -0.30575 2014 8 1 56870 0.2151 0.3770 -0.30597 2014 8 2 56871 0.2158 0.3753 -0.30620 2014 8 3 56872 0.2166 0.3737 -0.30641 2014 8 4 56873 0.2173 0.3720 -0.30658 2014 8 5 56874 0.2181 0.3703 -0.30669 2014 8 6 56875 0.2187 0.3687 -0.30676 2014 8 7 56876 0.2194 0.3670 -0.30681 2014 8 8 56877 0.2200 0.3652 -0.30689 2014 8 9 56878 0.2206 0.3635 -0.30708 2014 8 10 56879 0.2211 0.3618 -0.30744 2014 8 11 56880 0.2216 0.3600 -0.30798 2014 8 12 56881 0.2221 0.3583 -0.30868 2014 8 13 56882 0.2226 0.3565 -0.30946 2014 8 14 56883 0.2230 0.3547 -0.31023 2014 8 15 56884 0.2234 0.3529 -0.31090 2014 8 16 56885 0.2237 0.3511 -0.31142 2014 8 17 56886 0.2241 0.3493 -0.31177 2014 8 18 56887 0.2244 0.3475 -0.31198 2014 8 19 56888 0.2246 0.3457 -0.31208 2014 8 20 56889 0.2249 0.3439 -0.31212 2014 8 21 56890 0.2250 0.3420 -0.31214 2014 8 22 56891 0.2252 0.3402 -0.31218 2014 8 23 56892 0.2253 0.3384 -0.31229 2014 8 24 56893 0.2254 0.3365 -0.31248 2014 8 25 56894 0.2255 0.3347 -0.31276 2014 8 26 56895 0.2255 0.3328 -0.31313 2014 8 27 56896 0.2255 0.3310 -0.31357 2014 8 28 56897 0.2255 0.3291 -0.31407 2014 8 29 56898 0.2254 0.3273 -0.31460 2014 8 30 56899 0.2253 0.3254 -0.31513 2014 8 31 56900 0.2251 0.3235 -0.31563 2014 9 1 56901 0.2249 0.3217 -0.31610 2014 9 2 56902 0.2247 0.3198 -0.31653 2014 9 3 56903 0.2245 0.3180 -0.31695 2014 9 4 56904 0.2242 0.3161 -0.31741 2014 9 5 56905 0.2239 0.3143 -0.31796 2014 9 6 56906 0.2235 0.3124 -0.31867 2014 9 7 56907 0.2231 0.3106 -0.31958 2014 9 8 56908 0.2227 0.3087 -0.32068 2014 9 9 56909 0.2222 0.3069 -0.32191 2014 9 10 56910 0.2218 0.3051 -0.32321 2014 9 11 56911 0.2212 0.3032 -0.32445 2014 9 12 56912 0.2207 0.3014 -0.32558 2014 9 13 56913 0.2201 0.2996 -0.32654 2014 9 14 56914 0.2195 0.2978 -0.32734 2014 9 15 56915 0.2188 0.2960 -0.32802 2014 9 16 56916 0.2181 0.2942 -0.32861 2014 9 17 56917 0.2174 0.2924 -0.32918 2014 9 18 56918 0.2166 0.2906 -0.32976 2014 9 19 56919 0.2158 0.2889 -0.33039 2014 9 20 56920 0.2150 0.2871 -0.33109 2014 9 21 56921 0.2141 0.2854 -0.33189 2014 9 22 56922 0.2132 0.2836 -0.33279 2014 9 23 56923 0.2123 0.2819 -0.33377 2014 9 24 56924 0.2113 0.2802 -0.33481 2014 9 25 56925 0.2104 0.2785 -0.33589 2014 9 26 56926 0.2093 0.2768 -0.33698 2014 9 27 56927 0.2083 0.2752 -0.33804 2014 9 28 56928 0.2072 0.2735 -0.33905 2014 9 29 56929 0.2061 0.2719 -0.34003 2014 9 30 56930 0.2049 0.2702 -0.34096 2014 10 1 56931 0.2037 0.2686 -0.34190 2014 10 2 56932 0.2025 0.2670 -0.34290 2014 10 3 56933 0.2013 0.2655 -0.34401 2014 10 4 56934 0.2000 0.2639 -0.34528 2014 10 5 56935 0.1987 0.2624 -0.34674 2014 10 6 56936 0.1974 0.2608 -0.34836 2014 10 7 56937 0.1960 0.2593 -0.35008 2014 10 8 56938 0.1946 0.2579 -0.35181 2014 10 9 56939 0.1932 0.2564 -0.35347 2014 10 10 56940 0.1918 0.2550 -0.35498 2014 10 11 56941 0.1903 0.2535 -0.35632 2014 10 12 56942 0.1888 0.2521 -0.35751 2014 10 13 56943 0.1873 0.2507 -0.35857 2014 10 14 56944 0.1857 0.2494 -0.35957 2014 10 15 56945 0.1841 0.2481 -0.36055 2014 10 16 56946 0.1825 0.2467 -0.36154 2014 10 17 56947 0.1809 0.2455 -0.36259 2014 10 18 56948 0.1792 0.2442 -0.36372 2014 10 19 56949 0.1776 0.2429 -0.36492 2014 10 20 56950 0.1759 0.2417 -0.36621 2014 10 21 56951 0.1741 0.2405 -0.36756 2014 10 22 56952 0.1724 0.2394 -0.36894 2014 10 23 56953 0.1706 0.2382 -0.37033 2014 10 24 56954 0.1688 0.2371 -0.37170 2014 10 25 56955 0.1670 0.2360 -0.37301 2014 10 26 56956 0.1651 0.2350 -0.37425 2014 10 27 56957 0.1633 0.2339 -0.37543 2014 10 28 56958 0.1614 0.2329 -0.37658 2014 10 29 56959 0.1595 0.2319 -0.37774 2014 10 30 56960 0.1576 0.2310 -0.37898 2014 10 31 56961 0.1556 0.2301 -0.38034 2014 11 1 56962 0.1537 0.2292 -0.38184 2014 11 2 56963 0.1517 0.2283 -0.38348 2014 11 3 56964 0.1497 0.2275 -0.38523 2014 11 4 56965 0.1477 0.2267 -0.38702 2014 11 5 56966 0.1456 0.2259 -0.38876 2014 11 6 56967 0.1436 0.2252 -0.39039 2014 11 7 56968 0.1415 0.2244 -0.39187 2014 11 8 56969 0.1395 0.2238 -0.39318 2014 11 9 56970 0.1374 0.2231 -0.39434 2014 11 10 56971 0.1353 0.2225 -0.39541 2014 11 11 56972 0.1332 0.2219 -0.39643 2014 11 12 56973 0.1310 0.2213 -0.39744 2014 11 13 56974 0.1289 0.2208 -0.39848 2014 11 14 56975 0.1267 0.2203 -0.39957 2014 11 15 56976 0.1246 0.2199 -0.40073 2014 11 16 56977 0.1224 0.2194 -0.40195 2014 11 17 56978 0.1202 0.2191 -0.40323 2014 11 18 56979 0.1180 0.2187 -0.40454 2014 11 19 56980 0.1158 0.2184 -0.40586 2014 11 20 56981 0.1136 0.2181 -0.40716 2014 11 21 56982 0.1114 0.2178 -0.40842 2014 11 22 56983 0.1092 0.2176 -0.40960 2014 11 23 56984 0.1069 0.2174 -0.41072 2014 11 24 56985 0.1047 0.2172 -0.41178 2014 11 25 56986 0.1025 0.2171 -0.41283 2014 11 26 56987 0.1002 0.2170 -0.41393 2014 11 27 56988 0.0980 0.2170 -0.41513 2014 11 28 56989 0.0957 0.2169 -0.41644 2014 11 29 56990 0.0935 0.2170 -0.41788 2014 11 30 56991 0.0912 0.2170 -0.41940 2014 12 1 56992 0.0890 0.2171 -0.42095 2014 12 2 56993 0.0867 0.2172 -0.42247 2014 12 3 56994 0.0845 0.2174 -0.42389 2014 12 4 56995 0.0822 0.2175 -0.42518 2014 12 5 56996 0.0800 0.2178 -0.42632 2014 12 6 56997 0.0777 0.2180 -0.42732 2014 12 7 56998 0.0755 0.2183 -0.42821 2014 12 8 56999 0.0732 0.2186 -0.42903 2014 12 9 57000 0.0710 0.2190 -0.42984 2014 12 10 57001 0.0688 0.2194 -0.43067 2014 12 11 57002 0.0665 0.2198 -0.43154 2014 12 12 57003 0.0643 0.2203 -0.43248 2014 12 13 57004 0.0621 0.2208 -0.43348 2014 12 14 57005 0.0599 0.2213 -0.43454 2014 12 15 57006 0.0577 0.2219 -0.43566 2014 12 16 57007 0.0555 0.2225 -0.43679 2014 12 17 57008 0.0533 0.2231 -0.43793 2014 12 18 57009 0.0511 0.2238 -0.43905 2014 12 19 57010 0.0490 0.2245 -0.44014 2014 12 20 57011 0.0468 0.2253 -0.44118 2014 12 21 57012 0.0447 0.2260 -0.44220 2014 12 22 57013 0.0426 0.2268 -0.44321 2014 12 23 57014 0.0405 0.2277 -0.44427 2014 12 24 57015 0.0384 0.2285 -0.44544 2014 12 25 57016 0.0363 0.2294 -0.44675 2014 12 26 57017 0.0342 0.2304 -0.44819 2014 12 27 57018 0.0321 0.2314 -0.44972 2014 12 28 57019 0.0301 0.2324 -0.45127 2014 12 29 57020 0.0281 0.2334 -0.45277 2014 12 30 57021 0.0261 0.2345 -0.45416 2014 12 31 57022 0.0241 0.2356 -0.45537 2015 1 1 57023 0.0221 0.2367 -0.45641 2015 1 2 57024 0.0202 0.2379 -0.45729 2015 1 3 57025 0.0182 0.2391 -0.45805 2015 1 4 57026 0.0163 0.2403 -0.45874 2015 1 5 57027 0.0144 0.2415 -0.45942 2015 1 6 57028 0.0126 0.2428 -0.46012 2015 1 7 57029 0.0107 0.2441 -0.46089 2015 1 8 57030 0.0089 0.2455 -0.46173 2015 1 9 57031 0.0071 0.2469 -0.46264 2015 1 10 57032 0.0053 0.2483 -0.46362 2015 1 11 57033 0.0035 0.2497 -0.46465 2015 1 12 57034 0.0018 0.2511 -0.46571 2015 1 13 57035 0.0001 0.2526 -0.46678 2015 1 14 57036 -0.0016 0.2542 -0.46784 2015 1 15 57037 -0.0032 0.2557 -0.46887 2015 1 16 57038 -0.0049 0.2573 -0.46984 2015 1 17 57039 -0.0065 0.2589 -0.47074 2015 1 18 57040 -0.0080 0.2605 -0.47163 2015 1 19 57041 -0.0096 0.2621 -0.47255 2015 1 20 57042 -0.0111 0.2638 -0.47355 2015 1 21 57043 -0.0126 0.2655 -0.47466 2015 1 22 57044 -0.0140 0.2672 -0.47591 2015 1 23 57045 -0.0155 0.2690 -0.47726 2015 1 24 57046 -0.0169 0.2707 -0.47872 2015 1 25 57047 -0.0182 0.2725 -0.48015 2015 1 26 57048 -0.0196 0.2743 -0.48148 2015 1 27 57049 -0.0209 0.2762 -0.48261 2015 1 28 57050 -0.0222 0.2780 -0.48355 2015 1 29 57051 -0.0234 0.2799 -0.48434 2015 1 30 57052 -0.0246 0.2818 -0.48503 2015 1 31 57053 -0.0258 0.2837 -0.48571 2015 2 1 57054 -0.0269 0.2857 -0.48642 2015 2 2 57055 -0.0280 0.2876 -0.48720 2015 2 3 57056 -0.0291 0.2896 -0.48798 2015 2 4 57057 -0.0301 0.2916 -0.48878 2015 2 5 57058 -0.0311 0.2936 -0.48960 2015 2 6 57059 -0.0321 0.2957 -0.49050 2015 2 7 57060 -0.0330 0.2977 -0.49158 2015 2 8 57061 -0.0339 0.2998 -0.49277 2015 2 9 57062 -0.0348 0.3018 -0.49399 2015 2 10 57063 -0.0356 0.3039 -0.49521 2015 2 11 57064 -0.0364 0.3060 -0.49637 2015 2 12 57065 -0.0372 0.3082 -0.49746 2015 2 13 57066 -0.0379 0.3103 -0.49852 2015 2 14 57067 -0.0385 0.3125 -0.49948 2015 2 15 57068 -0.0392 0.3146 -0.50038 2015 2 16 57069 -0.0398 0.3168 -0.50135 2015 2 17 57070 -0.0403 0.3190 -0.50245 2015 2 18 57071 -0.0409 0.3212 -0.50376 2015 2 19 57072 -0.0413 0.3234 -0.50528 2015 2 20 57073 -0.0418 0.3256 -0.50699 2015 2 21 57074 -0.0422 0.3278 -0.50878 2015 2 22 57075 -0.0425 0.3300 -0.51050 2015 2 23 57076 -0.0429 0.3323 -0.51210 2015 2 24 57077 -0.0432 0.3345 -0.51354 2015 2 25 57078 -0.0434 0.3368 -0.51481 2015 2 26 57079 -0.0436 0.3390 -0.51594 2015 2 27 57080 -0.0438 0.3413 -0.51704 2015 2 28 57081 -0.0439 0.3436 -0.51810 2015 3 1 57082 -0.0440 0.3458 -0.51920 2015 3 2 57083 -0.0440 0.3481 -0.52033 2015 3 3 57084 -0.0440 0.3504 -0.52147 2015 3 4 57085 -0.0440 0.3527 -0.52265 2015 3 5 57086 -0.0439 0.3549 -0.52387 2015 3 6 57087 -0.0438 0.3572 -0.52514 2015 3 7 57088 -0.0436 0.3595 -0.52643 2015 3 8 57089 -0.0434 0.3618 -0.52780 2015 3 9 57090 -0.0432 0.3641 -0.52915 2015 3 10 57091 -0.0429 0.3663 -0.53047 2015 3 11 57092 -0.0426 0.3686 -0.53178 2015 3 12 57093 -0.0422 0.3709 -0.53306 2015 3 13 57094 -0.0418 0.3731 -0.53435 2015 3 14 57095 -0.0414 0.3754 -0.53572 2015 3 15 57096 -0.0409 0.3777 -0.53717 2015 3 16 57097 -0.0404 0.3799 -0.53874 2015 3 17 57098 -0.0398 0.3822 -0.54039 2015 3 18 57099 -0.0392 0.3844 -0.54218 2015 3 19 57100 -0.0386 0.3866 -0.54413 2015 3 20 57101 -0.0379 0.3889 -0.54621 2015 3 21 57102 -0.0372 0.3911 -0.54838 2015 3 22 57103 -0.0364 0.3933 -0.55046 2015 3 23 57104 -0.0356 0.3955 -0.55239 2015 3 24 57105 -0.0347 0.3977 -0.55408 2015 3 25 57106 -0.0339 0.3999 -0.55559 2015 3 26 57107 -0.0329 0.4020 -0.55697 2015 3 27 57108 -0.0320 0.4042 -0.55825 2015 3 28 57109 -0.0310 0.4063 -0.55950 2015 3 29 57110 -0.0299 0.4084 -0.56079 2015 3 30 57111 -0.0289 0.4105 -0.56212 2015 3 31 57112 -0.0278 0.4126 -0.56350 2015 4 1 57113 -0.0266 0.4147 -0.56496 2015 4 2 57114 -0.0254 0.4168 -0.56650 2015 4 3 57115 -0.0242 0.4188 -0.56810 2015 4 4 57116 -0.0229 0.4209 -0.56971 2015 4 5 57117 -0.0216 0.4229 -0.57128 2015 4 6 57118 -0.0203 0.4249 -0.57282 2015 4 7 57119 -0.0189 0.4269 -0.57430 2015 4 8 57120 -0.0175 0.4288 -0.57573 2015 4 9 57121 -0.0161 0.4308 -0.57710 2015 4 10 57122 -0.0146 0.4327 -0.57847 2015 4 11 57123 -0.0131 0.4346 -0.57986 2015 4 12 57124 -0.0115 0.4364 -0.58132 2015 4 13 57125 -0.0100 0.4383 -0.58287 2015 4 14 57126 -0.0083 0.4401 -0.58460 2015 4 15 57127 -0.0067 0.4419 -0.58649 2015 4 16 57128 -0.0050 0.4437 -0.58847 2015 4 17 57129 -0.0033 0.4455 -0.59051 2015 4 18 57130 -0.0016 0.4472 -0.59253 2015 4 19 57131 0.0002 0.4489 -0.59447 2015 4 20 57132 0.0020 0.4506 -0.59630 2015 4 21 57133 0.0039 0.4523 -0.59797 2015 4 22 57134 0.0057 0.4539 -0.59951 2015 4 23 57135 0.0076 0.4555 -0.60093 2015 4 24 57136 0.0095 0.4571 -0.60224 2015 4 25 57137 0.0115 0.4586 -0.60350 2015 4 26 57138 0.0135 0.4602 -0.60476 2015 4 27 57139 0.0155 0.4616 -0.60603 2015 4 28 57140 0.0175 0.4631 -0.60733 2015 4 29 57141 0.0196 0.4645 -0.60872 2015 4 30 57142 0.0217 0.4659 -0.61017 2015 5 1 57143 0.0238 0.4673 -0.61162 2015 5 2 57144 0.0259 0.4686 -0.61306 2015 5 3 57145 0.0281 0.4700 -0.61449 2015 5 4 57146 0.0303 0.4712 -0.61589 2015 5 5 57147 0.0325 0.4725 -0.61726 2015 5 6 57148 0.0347 0.4737 -0.61854 2015 5 7 57149 0.0370 0.4749 -0.61975 2015 5 8 57150 0.0393 0.4760 -0.62094 2015 5 9 57151 0.0416 0.4771 -0.62218 2015 5 10 57152 0.0439 0.4782 -0.62351 2015 5 11 57153 0.0462 0.4792 -0.62492 2015 5 12 57154 0.0486 0.4802 -0.62648 2015 5 13 57155 0.0510 0.4812 -0.62814 2015 5 14 57156 0.0534 0.4821 -0.62984 2015 5 15 57157 0.0558 0.4830 -0.63156 2015 5 16 57158 0.0582 0.4839 -0.63316 2015 5 17 57159 0.0607 0.4847 -0.63461 2015 5 18 57160 0.0631 0.4855 -0.63589 2015 5 19 57161 0.0656 0.4863 -0.63700 2015 5 20 57162 0.0681 0.4870 -0.63799 2015 5 21 57163 0.0706 0.4877 -0.63894 2015 5 22 57164 0.0731 0.4883 -0.63986 2015 5 23 57165 0.0756 0.4889 -0.64081 2015 5 24 57166 0.0782 0.4895 -0.64174 2015 5 25 57167 0.0807 0.4900 -0.64270 2015 5 26 57168 0.0833 0.4905 -0.64365 2015 5 27 57169 0.0859 0.4910 -0.64459 2015 5 28 57170 0.0884 0.4914 -0.64553 2015 5 29 57171 0.0910 0.4918 -0.64647 2015 5 30 57172 0.0936 0.4921 -0.64739 2015 5 31 57173 0.0962 0.4924 -0.64821 2015 6 1 57174 0.0988 0.4926 -0.64892 2015 6 2 57175 0.1014 0.4929 -0.64952 2015 6 3 57176 0.1041 0.4930 -0.65000 2015 6 4 57177 0.1067 0.4932 -0.65041 2015 6 5 57178 0.1093 0.4933 -0.65082 2015 6 6 57179 0.1119 0.4933 -0.65128 2015 6 7 57180 0.1146 0.4934 -0.65185 2015 6 8 57181 0.1172 0.4933 -0.65258 2015 6 9 57182 0.1198 0.4933 -0.65345 2015 6 10 57183 0.1224 0.4932 -0.65445 2015 6 11 57184 0.1251 0.4930 -0.65550 2015 6 12 57185 0.1277 0.4929 -0.65656 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) 56786 -78.93 0.13 -14.19 0.04 56787 -79.23 0.11 -14.19 0.04 56788 -79.63 0.11 -14.19 0.04 56789 -80.00 0.14 -14.08 0.01 56790 -80.19 0.11 -13.89 0.02 56791 -80.21 0.11 -13.79 0.02 56792 -80.12 0.11 -13.93 0.02 56793 -80.01 0.30 -14.23 0.02 56794 -79.93 0.30 -14.45 0.04 56795 -79.98 0.30 -14.43 0.04 56796 -80.19 0.11 -14.21 0.06 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56786 0.210 0.052 -0.162 0.040 56787 0.191 0.044 -0.159 0.040 56788 0.187 0.044 -0.181 0.040 56789 0.183 0.056 -0.195 0.010 56790 0.186 0.044 -0.195 0.020 56791 0.187 0.044 -0.188 0.020 56792 0.189 0.044 -0.191 0.020 56793 0.189 0.119 -0.197 0.020 56794 0.192 0.119 -0.200 0.040 56795 0.189 0.119 -0.217 0.040 56796 0.190 0.044 -0.239 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).