********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 15 May 2014 Vol. XXVII No. 020 ______________________________________________________________________ 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 5 9 56786 0.09039 .00009 0.44668 .00009 -0.257514 0.000011 14 5 10 56787 0.09159 .00009 0.44684 .00009 -0.258951 0.000010 14 5 11 56788 0.09320 .00010 0.44674 .00009 -0.260417 0.000013 14 5 12 56789 0.09541 .00009 0.44669 .00009 -0.261829 0.000011 14 5 13 56790 0.09775 .00009 0.44701 .00009 -0.263113 0.000011 14 5 14 56791 0.09978 .00009 0.44752 .00009 -0.264302 0.000010 14 5 15 56792 0.10138 .00009 0.44793 .00009 -0.265435 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 = 0.0983 - 0.0354 cos A + 0.0919 sin A + 0.0490 cos C + 0.0073 sin C y = 0.3533 + 0.0855 cos A + 0.0345 sin A + 0.0073 cos C - 0.0490 sin C UT1-UTC = -0.2355 - 0.00100 (MJD - 56800) - (UT2-UT1) where A = 2*pi*(MJD-56792)/365.25 and C = 2*pi*(MJD-56792)/435. TAI-UTC(MJD 56793) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56792)**0.80 S t = 0.00025 (MJD-56792)**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 5 16 56793 0.1031 0.4482 -0.26652 2014 5 17 56794 0.1046 0.4483 -0.26757 2014 5 18 56795 0.1061 0.4483 -0.26864 2014 5 19 56796 0.1077 0.4483 -0.26981 2014 5 20 56797 0.1094 0.4483 -0.27110 2014 5 21 56798 0.1113 0.4482 -0.27246 2014 5 22 56799 0.1132 0.4482 -0.27387 2014 5 23 56800 0.1151 0.4482 -0.27528 2014 5 24 56801 0.1170 0.4482 -0.27666 2014 5 25 56802 0.1189 0.4482 -0.27799 2014 5 26 56803 0.1207 0.4481 -0.27919 2014 5 27 56804 0.1225 0.4479 -0.28020 2014 5 28 56805 0.1244 0.4477 -0.28101 2014 5 29 56806 0.1263 0.4475 -0.28167 2014 5 30 56807 0.1282 0.4473 -0.28225 2014 5 31 56808 0.1301 0.4470 -0.28280 2014 6 1 56809 0.1320 0.4467 -0.28335 2014 6 2 56810 0.1339 0.4464 -0.28393 2014 6 3 56811 0.1358 0.4461 -0.28456 2014 6 4 56812 0.1376 0.4457 -0.28525 2014 6 5 56813 0.1395 0.4453 -0.28602 2014 6 6 56814 0.1414 0.4449 -0.28685 2014 6 7 56815 0.1433 0.4444 -0.28772 2014 6 8 56816 0.1452 0.4439 -0.28859 2014 6 9 56817 0.1471 0.4434 -0.28942 2014 6 10 56818 0.1490 0.4429 -0.29016 2014 6 11 56819 0.1509 0.4423 -0.29079 2014 6 12 56820 0.1527 0.4417 -0.29131 2014 6 13 56821 0.1546 0.4410 -0.29176 2014 6 14 56822 0.1565 0.4404 -0.29217 2014 6 15 56823 0.1583 0.4397 -0.29264 2014 6 16 56824 0.1601 0.4389 -0.29320 2014 6 17 56825 0.1620 0.4382 -0.29387 2014 6 18 56826 0.1638 0.4374 -0.29462 2014 6 19 56827 0.1656 0.4366 -0.29539 2014 6 20 56828 0.1674 0.4357 -0.29612 2014 6 21 56829 0.1692 0.4348 -0.29674 2014 6 22 56830 0.1709 0.4339 -0.29722 2014 6 23 56831 0.1727 0.4330 -0.29753 2014 6 24 56832 0.1744 0.4320 -0.29767 2014 6 25 56833 0.1762 0.4310 -0.29765 2014 6 26 56834 0.1779 0.4300 -0.29752 2014 6 27 56835 0.1796 0.4290 -0.29731 2014 6 28 56836 0.1813 0.4279 -0.29710 2014 6 29 56837 0.1829 0.4268 -0.29690 2014 6 30 56838 0.1846 0.4257 -0.29677 2014 7 1 56839 0.1862 0.4245 -0.29671 2014 7 2 56840 0.1878 0.4233 -0.29673 2014 7 3 56841 0.1894 0.4221 -0.29683 2014 7 4 56842 0.1910 0.4209 -0.29699 2014 7 5 56843 0.1925 0.4196 -0.29719 2014 7 6 56844 0.1941 0.4183 -0.29739 2014 7 7 56845 0.1956 0.4170 -0.29757 2014 7 8 56846 0.1970 0.4157 -0.29769 2014 7 9 56847 0.1985 0.4143 -0.29775 2014 7 10 56848 0.2000 0.4129 -0.29777 2014 7 11 56849 0.2014 0.4115 -0.29778 2014 7 12 56850 0.2028 0.4101 -0.29784 2014 7 13 56851 0.2041 0.4086 -0.29801 2014 7 14 56852 0.2055 0.4071 -0.29832 2014 7 15 56853 0.2068 0.4056 -0.29876 2014 7 16 56854 0.2081 0.4041 -0.29928 2014 7 17 56855 0.2094 0.4026 -0.29979 2014 7 18 56856 0.2106 0.4010 -0.30023 2014 7 19 56857 0.2118 0.3994 -0.30053 2014 7 20 56858 0.2130 0.3978 -0.30068 2014 7 21 56859 0.2142 0.3962 -0.30066 2014 7 22 56860 0.2153 0.3945 -0.30052 2014 7 23 56861 0.2164 0.3929 -0.30028 2014 7 24 56862 0.2175 0.3912 -0.30000 2014 7 25 56863 0.2185 0.3895 -0.29970 2014 7 26 56864 0.2195 0.3877 -0.29944 2014 7 27 56865 0.2205 0.3860 -0.29924 2014 7 28 56866 0.2215 0.3843 -0.29912 2014 7 29 56867 0.2224 0.3825 -0.29908 2014 7 30 56868 0.2233 0.3807 -0.29913 2014 7 31 56869 0.2242 0.3789 -0.29924 2014 8 1 56870 0.2250 0.3771 -0.29941 2014 8 2 56871 0.2258 0.3752 -0.29959 2014 8 3 56872 0.2266 0.3734 -0.29977 2014 8 4 56873 0.2273 0.3715 -0.29992 2014 8 5 56874 0.2280 0.3696 -0.30004 2014 8 6 56875 0.2287 0.3678 -0.30013 2014 8 7 56876 0.2293 0.3659 -0.30022 2014 8 8 56877 0.2299 0.3639 -0.30036 2014 8 9 56878 0.2305 0.3620 -0.30062 2014 8 10 56879 0.2310 0.3601 -0.30103 2014 8 11 56880 0.2315 0.3581 -0.30163 2014 8 12 56881 0.2319 0.3562 -0.30238 2014 8 13 56882 0.2324 0.3542 -0.30321 2014 8 14 56883 0.2328 0.3523 -0.30401 2014 8 15 56884 0.2331 0.3503 -0.30471 2014 8 16 56885 0.2334 0.3483 -0.30526 2014 8 17 56886 0.2337 0.3463 -0.30564 2014 8 18 56887 0.2340 0.3443 -0.30587 2014 8 19 56888 0.2342 0.3423 -0.30599 2014 8 20 56889 0.2344 0.3403 -0.30606 2014 8 21 56890 0.2345 0.3383 -0.30610 2014 8 22 56891 0.2346 0.3363 -0.30617 2014 8 23 56892 0.2347 0.3342 -0.30631 2014 8 24 56893 0.2347 0.3322 -0.30653 2014 8 25 56894 0.2347 0.3302 -0.30684 2014 8 26 56895 0.2347 0.3282 -0.30725 2014 8 27 56896 0.2346 0.3261 -0.30775 2014 8 28 56897 0.2345 0.3241 -0.30829 2014 8 29 56898 0.2344 0.3221 -0.30887 2014 8 30 56899 0.2342 0.3200 -0.30944 2014 8 31 56900 0.2340 0.3180 -0.30998 2014 9 1 56901 0.2337 0.3160 -0.31049 2014 9 2 56902 0.2334 0.3140 -0.31096 2014 9 3 56903 0.2331 0.3119 -0.31142 2014 9 4 56904 0.2327 0.3099 -0.31191 2014 9 5 56905 0.2323 0.3079 -0.31249 2014 9 6 56906 0.2319 0.3059 -0.31322 2014 9 7 56907 0.2314 0.3039 -0.31415 2014 9 8 56908 0.2309 0.3019 -0.31526 2014 9 9 56909 0.2303 0.2999 -0.31652 2014 9 10 56910 0.2297 0.2979 -0.31783 2014 9 11 56911 0.2291 0.2959 -0.31910 2014 9 12 56912 0.2284 0.2940 -0.32024 2014 9 13 56913 0.2277 0.2920 -0.32121 2014 9 14 56914 0.2270 0.2900 -0.32202 2014 9 15 56915 0.2262 0.2881 -0.32269 2014 9 16 56916 0.2254 0.2862 -0.32327 2014 9 17 56917 0.2246 0.2842 -0.32382 2014 9 18 56918 0.2237 0.2823 -0.32437 2014 9 19 56919 0.2228 0.2804 -0.32496 2014 9 20 56920 0.2219 0.2785 -0.32564 2014 9 21 56921 0.2209 0.2767 -0.32640 2014 9 22 56922 0.2199 0.2748 -0.32726 2014 9 23 56923 0.2188 0.2730 -0.32821 2014 9 24 56924 0.2177 0.2711 -0.32922 2014 9 25 56925 0.2166 0.2693 -0.33027 2014 9 26 56926 0.2154 0.2675 -0.33132 2014 9 27 56927 0.2143 0.2657 -0.33234 2014 9 28 56928 0.2130 0.2640 -0.33332 2014 9 29 56929 0.2118 0.2622 -0.33424 2014 9 30 56930 0.2105 0.2605 -0.33512 2014 10 1 56931 0.2092 0.2588 -0.33601 2014 10 2 56932 0.2078 0.2571 -0.33695 2014 10 3 56933 0.2065 0.2554 -0.33801 2014 10 4 56934 0.2050 0.2537 -0.33923 2014 10 5 56935 0.2036 0.2521 -0.34063 2014 10 6 56936 0.2021 0.2505 -0.34219 2014 10 7 56937 0.2006 0.2489 -0.34386 2014 10 8 56938 0.1991 0.2473 -0.34555 2014 10 9 56939 0.1975 0.2458 -0.34716 2014 10 10 56940 0.1959 0.2443 -0.34862 2014 10 11 56941 0.1943 0.2428 -0.34992 2014 10 12 56942 0.1927 0.2413 -0.35106 2014 10 13 56943 0.1910 0.2398 -0.35209 2014 10 14 56944 0.1893 0.2384 -0.35305 2014 10 15 56945 0.1875 0.2370 -0.35398 2014 10 16 56946 0.1858 0.2356 -0.35494 2014 10 17 56947 0.1840 0.2343 -0.35595 2014 10 18 56948 0.1822 0.2329 -0.35704 2014 10 19 56949 0.1803 0.2316 -0.35821 2014 10 20 56950 0.1785 0.2304 -0.35947 2014 10 21 56951 0.1766 0.2291 -0.36078 2014 10 22 56952 0.1747 0.2279 -0.36213 2014 10 23 56953 0.1727 0.2267 -0.36350 2014 10 24 56954 0.1708 0.2256 -0.36483 2014 10 25 56955 0.1688 0.2244 -0.36612 2014 10 26 56956 0.1668 0.2233 -0.36734 2014 10 27 56957 0.1648 0.2223 -0.36850 2014 10 28 56958 0.1627 0.2212 -0.36963 2014 10 29 56959 0.1607 0.2202 -0.37078 2014 10 30 56960 0.1586 0.2193 -0.37200 2014 10 31 56961 0.1565 0.2183 -0.37335 2014 11 1 56962 0.1544 0.2174 -0.37484 2014 11 2 56963 0.1522 0.2165 -0.37648 2014 11 3 56964 0.1501 0.2157 -0.37823 2014 11 4 56965 0.1479 0.2148 -0.38001 2014 11 5 56966 0.1457 0.2141 -0.38176 2014 11 6 56967 0.1435 0.2133 -0.38340 2014 11 7 56968 0.1413 0.2126 -0.38488 2014 11 8 56969 0.1390 0.2119 -0.38621 2014 11 9 56970 0.1368 0.2113 -0.38740 2014 11 10 56971 0.1345 0.2107 -0.38849 2014 11 11 56972 0.1322 0.2101 -0.38954 2014 11 12 56973 0.1300 0.2095 -0.39059 2014 11 13 56974 0.1277 0.2090 -0.39167 2014 11 14 56975 0.1253 0.2085 -0.39281 2014 11 15 56976 0.1230 0.2081 -0.39402 2014 11 16 56977 0.1207 0.2077 -0.39531 2014 11 17 56978 0.1184 0.2073 -0.39667 2014 11 18 56979 0.1160 0.2070 -0.39807 2014 11 19 56980 0.1136 0.2067 -0.39949 2014 11 20 56981 0.1113 0.2064 -0.40091 2014 11 21 56982 0.1089 0.2062 -0.40230 2014 11 22 56983 0.1065 0.2060 -0.40363 2014 11 23 56984 0.1042 0.2059 -0.40490 2014 11 24 56985 0.1018 0.2058 -0.40612 2014 11 25 56986 0.0994 0.2057 -0.40732 2014 11 26 56987 0.0970 0.2056 -0.40855 2014 11 27 56988 0.0946 0.2056 -0.40985 2014 11 28 56989 0.0922 0.2057 -0.41126 2014 11 29 56990 0.0898 0.2057 -0.41277 2014 11 30 56991 0.0874 0.2058 -0.41434 2014 12 1 56992 0.0850 0.2060 -0.41594 2014 12 2 56993 0.0826 0.2062 -0.41748 2014 12 3 56994 0.0802 0.2064 -0.41891 2014 12 4 56995 0.0778 0.2066 -0.42018 2014 12 5 56996 0.0754 0.2069 -0.42127 2014 12 6 56997 0.0730 0.2073 -0.42220 2014 12 7 56998 0.0706 0.2076 -0.42301 2014 12 8 56999 0.0683 0.2080 -0.42375 2014 12 9 57000 0.0659 0.2085 -0.42448 2014 12 10 57001 0.0635 0.2090 -0.42524 2014 12 11 57002 0.0612 0.2095 -0.42605 2014 12 12 57003 0.0588 0.2100 -0.42693 2014 12 13 57004 0.0565 0.2106 -0.42789 2014 12 14 57005 0.0541 0.2112 -0.42893 2014 12 15 57006 0.0518 0.2119 -0.43004 2014 12 16 57007 0.0495 0.2126 -0.43119 2014 12 17 57008 0.0472 0.2133 -0.43234 2014 12 18 57009 0.0449 0.2141 -0.43344 2014 12 19 57010 0.0426 0.2149 -0.43446 2014 12 20 57011 0.0403 0.2157 -0.43536 2014 12 21 57012 0.0381 0.2166 -0.43616 2014 12 22 57013 0.0358 0.2175 -0.43691 2014 12 23 57014 0.0336 0.2185 -0.43768 2014 12 24 57015 0.0314 0.2195 -0.43855 2014 12 25 57016 0.0292 0.2205 -0.43959 2014 12 26 57017 0.0270 0.2215 -0.44080 2014 12 27 57018 0.0248 0.2226 -0.44213 2014 12 28 57019 0.0227 0.2237 -0.44346 2014 12 29 57020 0.0206 0.2249 -0.44476 2014 12 30 57021 0.0185 0.2261 -0.44598 2014 12 31 57022 0.0164 0.2273 -0.44706 2015 1 1 57023 0.0143 0.2286 -0.44800 2015 1 2 57024 0.0123 0.2298 -0.44887 2015 1 3 57025 0.0102 0.2312 -0.44964 2015 1 4 57026 0.0082 0.2325 -0.45038 2015 1 5 57027 0.0063 0.2339 -0.45110 2015 1 6 57028 0.0043 0.2353 -0.45178 2015 1 7 57029 0.0024 0.2368 -0.45248 2015 1 8 57030 0.0005 0.2382 -0.45320 2015 1 9 57031 -0.0014 0.2397 -0.45397 2015 1 10 57032 -0.0033 0.2413 -0.45478 2015 1 11 57033 -0.0051 0.2428 -0.45569 2015 1 12 57034 -0.0069 0.2444 -0.45662 2015 1 13 57035 -0.0087 0.2461 -0.45758 2015 1 14 57036 -0.0104 0.2477 -0.45854 2015 1 15 57037 -0.0122 0.2494 -0.45948 2015 1 16 57038 -0.0139 0.2511 -0.46042 2015 1 17 57039 -0.0155 0.2528 -0.46141 2015 1 18 57040 -0.0172 0.2546 -0.46242 2015 1 19 57041 -0.0188 0.2564 -0.46347 2015 1 20 57042 -0.0203 0.2582 -0.46454 2015 1 21 57043 -0.0219 0.2601 -0.46569 2015 1 22 57044 -0.0234 0.2619 -0.46700 2015 1 23 57045 -0.0249 0.2638 -0.46844 2015 1 24 57046 -0.0263 0.2657 -0.47004 2015 1 25 57047 -0.0277 0.2677 -0.47163 2015 1 26 57048 -0.0291 0.2696 -0.47312 2015 1 27 57049 -0.0304 0.2716 -0.47442 2015 1 28 57050 -0.0317 0.2736 -0.47554 2015 1 29 57051 -0.0330 0.2756 -0.47652 2015 1 30 57052 -0.0343 0.2777 -0.47738 2015 1 31 57053 -0.0355 0.2798 -0.47816 2015 2 1 57054 -0.0366 0.2818 -0.47895 2015 2 2 57055 -0.0378 0.2840 -0.47976 2015 2 3 57056 -0.0389 0.2861 -0.48060 2015 2 4 57057 -0.0399 0.2882 -0.48153 2015 2 5 57058 -0.0409 0.2904 -0.48257 2015 2 6 57059 -0.0419 0.2926 -0.48369 2015 2 7 57060 -0.0429 0.2948 -0.48487 2015 2 8 57061 -0.0438 0.2970 -0.48605 2015 2 9 57062 -0.0446 0.2992 -0.48725 2015 2 10 57063 -0.0455 0.3015 -0.48846 2015 2 11 57064 -0.0463 0.3037 -0.48964 2015 2 12 57065 -0.0470 0.3060 -0.49078 2015 2 13 57066 -0.0477 0.3083 -0.49192 2015 2 14 57067 -0.0484 0.3106 -0.49306 2015 2 15 57068 -0.0490 0.3129 -0.49423 2015 2 16 57069 -0.0496 0.3152 -0.49545 2015 2 17 57070 -0.0502 0.3175 -0.49684 2015 2 18 57071 -0.0507 0.3199 -0.49840 2015 2 19 57072 -0.0511 0.3222 -0.50009 2015 2 20 57073 -0.0516 0.3246 -0.50193 2015 2 21 57074 -0.0519 0.3269 -0.50380 2015 2 22 57075 -0.0523 0.3293 -0.50568 2015 2 23 57076 -0.0526 0.3317 -0.50751 2015 2 24 57077 -0.0528 0.3341 -0.50918 2015 2 25 57078 -0.0531 0.3365 -0.51073 2015 2 26 57079 -0.0532 0.3389 -0.51212 2015 2 27 57080 -0.0534 0.3413 -0.51338 2015 2 28 57081 -0.0535 0.3437 -0.51455 2015 3 1 57082 -0.0535 0.3461 -0.51571 2015 3 2 57083 -0.0535 0.3485 -0.51688 2015 3 3 57084 -0.0535 0.3509 -0.51811 2015 3 4 57085 -0.0534 0.3533 -0.51944 2015 3 5 57086 -0.0533 0.3557 -0.52088 2015 3 6 57087 -0.0531 0.3582 -0.52238 2015 3 7 57088 -0.0529 0.3606 -0.52394 2015 3 8 57089 -0.0526 0.3630 -0.52554 2015 3 9 57090 -0.0523 0.3654 -0.52716 2015 3 10 57091 -0.0520 0.3678 -0.52881 2015 3 11 57092 -0.0516 0.3702 -0.53038 2015 3 12 57093 -0.0512 0.3726 -0.53190 2015 3 13 57094 -0.0507 0.3750 -0.53339 2015 3 14 57095 -0.0502 0.3774 -0.53490 2015 3 15 57096 -0.0497 0.3798 -0.53647 2015 3 16 57097 -0.0491 0.3821 -0.53812 2015 3 17 57098 -0.0485 0.3845 -0.53993 2015 3 18 57099 -0.0478 0.3869 -0.54192 2015 3 19 57100 -0.0471 0.3892 -0.54405 2015 3 20 57101 -0.0463 0.3915 -0.54631 2015 3 21 57102 -0.0455 0.3939 -0.54855 2015 3 22 57103 -0.0447 0.3962 -0.55071 2015 3 23 57104 -0.0438 0.3985 -0.55270 2015 3 24 57105 -0.0428 0.4008 -0.55453 2015 3 25 57106 -0.0419 0.4031 -0.55621 2015 3 26 57107 -0.0409 0.4053 -0.55780 2015 3 27 57108 -0.0398 0.4076 -0.55932 2015 3 28 57109 -0.0387 0.4098 -0.56084 2015 3 29 57110 -0.0376 0.4121 -0.56232 2015 3 30 57111 -0.0364 0.4143 -0.56384 2015 3 31 57112 -0.0352 0.4165 -0.56537 2015 4 1 57113 -0.0340 0.4186 -0.56692 2015 4 2 57114 -0.0327 0.4208 -0.56854 2015 4 3 57115 -0.0314 0.4229 -0.57019 2015 4 4 57116 -0.0300 0.4251 -0.57189 2015 4 5 57117 -0.0286 0.4272 -0.57353 2015 4 6 57118 -0.0272 0.4292 -0.57510 2015 4 7 57119 -0.0257 0.4313 -0.57658 2015 4 8 57120 -0.0242 0.4333 -0.57794 2015 4 9 57121 -0.0226 0.4354 -0.57921 2015 4 10 57122 -0.0211 0.4374 -0.58045 2015 4 11 57123 -0.0194 0.4393 -0.58166 2015 4 12 57124 -0.0178 0.4413 -0.58295 2015 4 13 57125 -0.0161 0.4432 -0.58440 2015 4 14 57126 -0.0144 0.4451 -0.58603 2015 4 15 57127 -0.0126 0.4470 -0.58789 2015 4 16 57128 -0.0108 0.4488 -0.58994 2015 4 17 57129 -0.0090 0.4506 -0.59211 2015 4 18 57130 -0.0071 0.4524 -0.59430 2015 4 19 57131 -0.0052 0.4542 -0.59643 2015 4 20 57132 -0.0033 0.4559 -0.59844 2015 4 21 57133 -0.0014 0.4577 -0.60029 2015 4 22 57134 0.0006 0.4593 -0.60196 2015 4 23 57135 0.0027 0.4610 -0.60352 2015 4 24 57136 0.0047 0.4626 -0.60498 2015 4 25 57137 0.0068 0.4642 -0.60646 2015 4 26 57138 0.0089 0.4658 -0.60792 2015 4 27 57139 0.0110 0.4673 -0.60935 2015 4 28 57140 0.0132 0.4688 -0.61084 2015 4 29 57141 0.0154 0.4703 -0.61232 2015 4 30 57142 0.0176 0.4717 -0.61383 2015 5 1 57143 0.0198 0.4731 -0.61533 2015 5 2 57144 0.0221 0.4745 -0.61680 2015 5 3 57145 0.0244 0.4758 -0.61817 2015 5 4 57146 0.0267 0.4771 -0.61948 2015 5 5 57147 0.0290 0.4784 -0.62070 2015 5 6 57148 0.0314 0.4796 -0.62177 2015 5 7 57149 0.0338 0.4808 -0.62276 2015 5 8 57150 0.0362 0.4819 -0.62374 2015 5 9 57151 0.0386 0.4831 -0.62473 2015 5 10 57152 0.0411 0.4841 -0.62577 2015 5 11 57153 0.0435 0.4852 -0.62688 2015 5 12 57154 0.0460 0.4862 -0.62810 2015 5 13 57155 0.0485 0.4872 -0.62940 2015 5 14 57156 0.0510 0.4881 -0.63077 2015 5 15 57157 0.0536 0.4890 -0.63216 These predictions are based on all announced leap seconds. 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).