********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 27 March 2014 Vol. XXVII No. 013 ______________________________________________________________________ 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 3 21 56737 0.02734 .00009 0.40716 .00009 -0.188568 0.000015 14 3 22 56738 0.02835 .00009 0.40837 .00009 -0.189675 0.000012 14 3 23 56739 0.02945 .00009 0.40982 .00009 -0.190821 0.000012 14 3 24 56740 0.03087 .00009 0.41126 .00009 -0.192051 0.000010 14 3 25 56741 0.03229 .00009 0.41269 .00009 -0.193362 0.000010 14 3 26 56742 0.03364 .00009 0.41408 .00010 -0.194800 0.000008 14 3 27 56743 0.03508 .00009 0.41520 .00010 -0.196417 0.000008 _______________________________________________________________________ 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 = 0.0943 - 0.0932 cos A + 0.0487 sin A + 0.0386 cos C + 0.0258 sin C y = 0.3522 + 0.0421 cos A + 0.0867 sin A + 0.0258 cos C - 0.0386 sin C UT1-UTC = -0.1808 - 0.00100 (MJD - 56751) - (UT2-UT1) where A = 2*pi*(MJD-56743)/365.25 and C = 2*pi*(MJD-56743)/435. TAI-UTC(MJD 56744) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56743)**0.80 S t = 0.00025 (MJD-56743)**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 28 56744 0.0365 0.4163 -0.19815 2014 3 29 56745 0.0380 0.4173 -0.19996 2014 3 30 56746 0.0393 0.4182 -0.20177 2014 3 31 56747 0.0407 0.4192 -0.20350 2014 4 1 56748 0.0421 0.4202 -0.20510 2014 4 2 56749 0.0434 0.4213 -0.20652 2014 4 3 56750 0.0447 0.4223 -0.20779 2014 4 4 56751 0.0461 0.4234 -0.20891 2014 4 5 56752 0.0475 0.4244 -0.20994 2014 4 6 56753 0.0489 0.4253 -0.21090 2014 4 7 56754 0.0504 0.4262 -0.21186 2014 4 8 56755 0.0519 0.4271 -0.21286 2014 4 9 56756 0.0534 0.4279 -0.21396 2014 4 10 56757 0.0549 0.4288 -0.21516 2014 4 11 56758 0.0564 0.4296 -0.21643 2014 4 12 56759 0.0579 0.4304 -0.21775 2014 4 13 56760 0.0594 0.4312 -0.21910 2014 4 14 56761 0.0610 0.4319 -0.22046 2014 4 15 56762 0.0625 0.4327 -0.22184 2014 4 16 56763 0.0641 0.4334 -0.22318 2014 4 17 56764 0.0657 0.4341 -0.22447 2014 4 18 56765 0.0673 0.4347 -0.22569 2014 4 19 56766 0.0689 0.4354 -0.22687 2014 4 20 56767 0.0706 0.4360 -0.22805 2014 4 21 56768 0.0722 0.4366 -0.22929 2014 4 22 56769 0.0739 0.4372 -0.23063 2014 4 23 56770 0.0756 0.4377 -0.23209 2014 4 24 56771 0.0773 0.4382 -0.23369 2014 4 25 56772 0.0790 0.4387 -0.23538 2014 4 26 56773 0.0807 0.4392 -0.23711 2014 4 27 56774 0.0824 0.4396 -0.23882 2014 4 28 56775 0.0842 0.4401 -0.24043 2014 4 29 56776 0.0859 0.4405 -0.24188 2014 4 30 56777 0.0877 0.4408 -0.24316 2014 5 1 56778 0.0894 0.4412 -0.24427 2014 5 2 56779 0.0912 0.4415 -0.24524 2014 5 3 56780 0.0930 0.4418 -0.24612 2014 5 4 56781 0.0948 0.4420 -0.24694 2014 5 5 56782 0.0966 0.4423 -0.24776 2014 5 6 56783 0.0985 0.4425 -0.24861 2014 5 7 56784 0.1003 0.4427 -0.24954 2014 5 8 56785 0.1021 0.4428 -0.25054 2014 5 9 56786 0.1040 0.4429 -0.25162 2014 5 10 56787 0.1058 0.4430 -0.25278 2014 5 11 56788 0.1077 0.4431 -0.25398 2014 5 12 56789 0.1096 0.4432 -0.25520 2014 5 13 56790 0.1114 0.4432 -0.25639 2014 5 14 56791 0.1133 0.4431 -0.25750 2014 5 15 56792 0.1152 0.4431 -0.25853 2014 5 16 56793 0.1171 0.4430 -0.25946 2014 5 17 56794 0.1189 0.4429 -0.26033 2014 5 18 56795 0.1208 0.4428 -0.26121 2014 5 19 56796 0.1227 0.4426 -0.26214 2014 5 20 56797 0.1246 0.4424 -0.26317 2014 5 21 56798 0.1265 0.4422 -0.26431 2014 5 22 56799 0.1284 0.4420 -0.26554 2014 5 23 56800 0.1303 0.4417 -0.26681 2014 5 24 56801 0.1322 0.4414 -0.26806 2014 5 25 56802 0.1341 0.4410 -0.26922 2014 5 26 56803 0.1359 0.4407 -0.27025 2014 5 27 56804 0.1378 0.4403 -0.27111 2014 5 28 56805 0.1397 0.4399 -0.27181 2014 5 29 56806 0.1416 0.4394 -0.27237 2014 5 30 56807 0.1435 0.4389 -0.27284 2014 5 31 56808 0.1453 0.4384 -0.27324 2014 6 1 56809 0.1472 0.4379 -0.27363 2014 6 2 56810 0.1491 0.4373 -0.27404 2014 6 3 56811 0.1509 0.4367 -0.27450 2014 6 4 56812 0.1527 0.4361 -0.27503 2014 6 5 56813 0.1546 0.4354 -0.27562 2014 6 6 56814 0.1564 0.4347 -0.27628 2014 6 7 56815 0.1582 0.4340 -0.27698 2014 6 8 56816 0.1600 0.4332 -0.27769 2014 6 9 56817 0.1619 0.4325 -0.27838 2014 6 10 56818 0.1636 0.4317 -0.27902 2014 6 11 56819 0.1654 0.4308 -0.27959 2014 6 12 56820 0.1672 0.4300 -0.28007 2014 6 13 56821 0.1690 0.4291 -0.28049 2014 6 14 56822 0.1707 0.4282 -0.28090 2014 6 15 56823 0.1724 0.4272 -0.28135 2014 6 16 56824 0.1741 0.4263 -0.28190 2014 6 17 56825 0.1759 0.4253 -0.28255 2014 6 18 56826 0.1775 0.4242 -0.28330 2014 6 19 56827 0.1792 0.4232 -0.28407 2014 6 20 56828 0.1809 0.4221 -0.28481 2014 6 21 56829 0.1825 0.4210 -0.28546 2014 6 22 56830 0.1841 0.4199 -0.28597 2014 6 23 56831 0.1858 0.4187 -0.28632 2014 6 24 56832 0.1873 0.4175 -0.28651 2014 6 25 56833 0.1889 0.4163 -0.28657 2014 6 26 56834 0.1905 0.4151 -0.28651 2014 6 27 56835 0.1920 0.4138 -0.28640 2014 6 28 56836 0.1935 0.4125 -0.28627 2014 6 29 56837 0.1950 0.4112 -0.28616 2014 6 30 56838 0.1965 0.4099 -0.28610 2014 7 1 56839 0.1979 0.4085 -0.28611 2014 7 2 56840 0.1994 0.4072 -0.28619 2014 7 3 56841 0.2008 0.4058 -0.28635 2014 7 4 56842 0.2022 0.4043 -0.28655 2014 7 5 56843 0.2035 0.4029 -0.28678 2014 7 6 56844 0.2049 0.4014 -0.28701 2014 7 7 56845 0.2062 0.3999 -0.28720 2014 7 8 56846 0.2075 0.3984 -0.28735 2014 7 9 56847 0.2087 0.3969 -0.28744 2014 7 10 56848 0.2100 0.3953 -0.28748 2014 7 11 56849 0.2112 0.3937 -0.28751 2014 7 12 56850 0.2124 0.3921 -0.28760 2014 7 13 56851 0.2135 0.3905 -0.28780 2014 7 14 56852 0.2147 0.3889 -0.28813 2014 7 15 56853 0.2158 0.3872 -0.28860 2014 7 16 56854 0.2168 0.3856 -0.28915 2014 7 17 56855 0.2179 0.3839 -0.28971 2014 7 18 56856 0.2189 0.3822 -0.29019 2014 7 19 56857 0.2199 0.3804 -0.29054 2014 7 20 56858 0.2209 0.3787 -0.29073 2014 7 21 56859 0.2218 0.3769 -0.29077 2014 7 22 56860 0.2227 0.3751 -0.29067 2014 7 23 56861 0.2236 0.3734 -0.29047 2014 7 24 56862 0.2244 0.3716 -0.29021 2014 7 25 56863 0.2252 0.3697 -0.28994 2014 7 26 56864 0.2260 0.3679 -0.28970 2014 7 27 56865 0.2267 0.3660 -0.28952 2014 7 28 56866 0.2274 0.3642 -0.28942 2014 7 29 56867 0.2281 0.3623 -0.28941 2014 7 30 56868 0.2288 0.3604 -0.28949 2014 7 31 56869 0.2294 0.3585 -0.28963 2014 8 1 56870 0.2300 0.3566 -0.28983 2014 8 2 56871 0.2305 0.3547 -0.29004 2014 8 3 56872 0.2310 0.3528 -0.29024 2014 8 4 56873 0.2315 0.3508 -0.29042 2014 8 5 56874 0.2320 0.3489 -0.29054 2014 8 6 56875 0.2324 0.3469 -0.29064 2014 8 7 56876 0.2327 0.3450 -0.29072 2014 8 8 56877 0.2331 0.3430 -0.29086 2014 8 9 56878 0.2334 0.3410 -0.29111 2014 8 10 56879 0.2337 0.3390 -0.29153 2014 8 11 56880 0.2339 0.3370 -0.29212 2014 8 12 56881 0.2341 0.3350 -0.29288 2014 8 13 56882 0.2343 0.3330 -0.29370 2014 8 14 56883 0.2344 0.3310 -0.29451 2014 8 15 56884 0.2345 0.3290 -0.29521 2014 8 16 56885 0.2345 0.3270 -0.29576 2014 8 17 56886 0.2346 0.3250 -0.29614 2014 8 18 56887 0.2345 0.3230 -0.29638 2014 8 19 56888 0.2345 0.3210 -0.29650 2014 8 20 56889 0.2344 0.3189 -0.29656 2014 8 21 56890 0.2343 0.3169 -0.29661 2014 8 22 56891 0.2341 0.3149 -0.29668 2014 8 23 56892 0.2339 0.3129 -0.29681 2014 8 24 56893 0.2337 0.3109 -0.29703 2014 8 25 56894 0.2334 0.3088 -0.29735 2014 8 26 56895 0.2331 0.3068 -0.29777 2014 8 27 56896 0.2328 0.3048 -0.29827 2014 8 28 56897 0.2324 0.3028 -0.29883 2014 8 29 56898 0.2320 0.3008 -0.29942 2014 8 30 56899 0.2315 0.2988 -0.30001 2014 8 31 56900 0.2310 0.2968 -0.30058 2014 9 1 56901 0.2305 0.2948 -0.30111 2014 9 2 56902 0.2299 0.2928 -0.30160 2014 9 3 56903 0.2293 0.2909 -0.30208 2014 9 4 56904 0.2287 0.2889 -0.30259 2014 9 5 56905 0.2280 0.2869 -0.30320 2014 9 6 56906 0.2273 0.2850 -0.30396 2014 9 7 56907 0.2265 0.2831 -0.30492 2014 9 8 56908 0.2258 0.2811 -0.30607 2014 9 9 56909 0.2249 0.2792 -0.30736 2014 9 10 56910 0.2241 0.2773 -0.30871 2014 9 11 56911 0.2232 0.2754 -0.31002 2014 9 12 56912 0.2223 0.2735 -0.31121 2014 9 13 56913 0.2213 0.2716 -0.31223 2014 9 14 56914 0.2203 0.2698 -0.31308 2014 9 15 56915 0.2193 0.2679 -0.31381 2014 9 16 56916 0.2182 0.2661 -0.31445 2014 9 17 56917 0.2171 0.2643 -0.31504 2014 9 18 56918 0.2160 0.2625 -0.31565 2014 9 19 56919 0.2148 0.2607 -0.31630 2014 9 20 56920 0.2136 0.2589 -0.31703 2014 9 21 56921 0.2124 0.2572 -0.31784 2014 9 22 56922 0.2111 0.2554 -0.31875 2014 9 23 56923 0.2098 0.2537 -0.31973 2014 9 24 56924 0.2084 0.2520 -0.32078 2014 9 25 56925 0.2071 0.2504 -0.32185 2014 9 26 56926 0.2057 0.2487 -0.32291 2014 9 27 56927 0.2042 0.2471 -0.32393 2014 9 28 56928 0.2028 0.2454 -0.32488 2014 9 29 56929 0.2013 0.2438 -0.32577 2014 9 30 56930 0.1998 0.2423 -0.32659 2014 10 1 56931 0.1982 0.2407 -0.32739 2014 10 2 56932 0.1966 0.2392 -0.32823 2014 10 3 56933 0.1950 0.2377 -0.32917 2014 10 4 56934 0.1934 0.2362 -0.33025 2014 10 5 56935 0.1917 0.2347 -0.33151 2014 10 6 56936 0.1900 0.2333 -0.33294 2014 10 7 56937 0.1883 0.2319 -0.33448 2014 10 8 56938 0.1865 0.2305 -0.33606 2014 10 9 56939 0.1847 0.2292 -0.33757 2014 10 10 56940 0.1829 0.2278 -0.33896 2014 10 11 56941 0.1811 0.2265 -0.34020 2014 10 12 56942 0.1792 0.2252 -0.34130 2014 10 13 56943 0.1773 0.2240 -0.34230 2014 10 14 56944 0.1754 0.2228 -0.34325 2014 10 15 56945 0.1735 0.2216 -0.34420 2014 10 16 56946 0.1715 0.2204 -0.34518 2014 10 17 56947 0.1695 0.2193 -0.34623 2014 10 18 56948 0.1675 0.2182 -0.34736 2014 10 19 56949 0.1655 0.2171 -0.34859 2014 10 20 56950 0.1634 0.2160 -0.34991 2014 10 21 56951 0.1613 0.2150 -0.35127 2014 10 22 56952 0.1592 0.2140 -0.35267 2014 10 23 56953 0.1571 0.2131 -0.35407 2014 10 24 56954 0.1550 0.2122 -0.35544 2014 10 25 56955 0.1528 0.2113 -0.35674 2014 10 26 56956 0.1507 0.2104 -0.35799 2014 10 27 56957 0.1485 0.2096 -0.35918 2014 10 28 56958 0.1462 0.2088 -0.36035 2014 10 29 56959 0.1440 0.2080 -0.36155 2014 10 30 56960 0.1418 0.2073 -0.36283 2014 10 31 56961 0.1395 0.2066 -0.36425 2014 11 1 56962 0.1372 0.2060 -0.36581 2014 11 2 56963 0.1349 0.2053 -0.36751 2014 11 3 56964 0.1326 0.2048 -0.36929 2014 11 4 56965 0.1303 0.2042 -0.37113 2014 11 5 56966 0.1280 0.2037 -0.37293 2014 11 6 56967 0.1257 0.2032 -0.37463 2014 11 7 56968 0.1233 0.2028 -0.37620 2014 11 8 56969 0.1209 0.2023 -0.37762 2014 11 9 56970 0.1186 0.2020 -0.37891 2014 11 10 56971 0.1162 0.2016 -0.38008 2014 11 11 56972 0.1138 0.2013 -0.38122 2014 11 12 56973 0.1114 0.2011 -0.38233 2014 11 13 56974 0.1090 0.2008 -0.38343 2014 11 14 56975 0.1065 0.2006 -0.38457 2014 11 15 56976 0.1041 0.2005 -0.38576 2014 11 16 56977 0.1017 0.2004 -0.38707 2014 11 17 56978 0.0992 0.2003 -0.38850 2014 11 18 56979 0.0968 0.2002 -0.38999 2014 11 19 56980 0.0944 0.2002 -0.39153 2014 11 20 56981 0.0919 0.2003 -0.39304 2014 11 21 56982 0.0895 0.2003 -0.39447 2014 11 22 56983 0.0870 0.2004 -0.39580 2014 11 23 56984 0.0846 0.2006 -0.39705 2014 11 24 56985 0.0821 0.2008 -0.39822 2014 11 25 56986 0.0796 0.2010 -0.39938 2014 11 26 56987 0.0772 0.2012 -0.40062 2014 11 27 56988 0.0747 0.2015 -0.40199 2014 11 28 56989 0.0723 0.2019 -0.40347 2014 11 29 56990 0.0698 0.2022 -0.40508 2014 11 30 56991 0.0674 0.2026 -0.40680 2014 12 1 56992 0.0650 0.2031 -0.40859 2014 12 2 56993 0.0625 0.2036 -0.41039 2014 12 3 56994 0.0601 0.2041 -0.41208 2014 12 4 56995 0.0577 0.2046 -0.41363 2014 12 5 56996 0.0553 0.2052 -0.41502 2014 12 6 56997 0.0529 0.2059 -0.41630 2014 12 7 56998 0.0505 0.2065 -0.41748 2014 12 8 56999 0.0481 0.2072 -0.41856 2014 12 9 57000 0.0457 0.2080 -0.41962 2014 12 10 57001 0.0433 0.2088 -0.42068 2014 12 11 57002 0.0410 0.2096 -0.42175 2014 12 12 57003 0.0386 0.2104 -0.42288 2014 12 13 57004 0.0363 0.2113 -0.42403 2014 12 14 57005 0.0340 0.2122 -0.42523 2014 12 15 57006 0.0317 0.2132 -0.42646 2014 12 16 57007 0.0294 0.2142 -0.42772 2014 12 17 57008 0.0271 0.2152 -0.42900 2014 12 18 57009 0.0248 0.2163 -0.43029 2014 12 19 57010 0.0226 0.2174 -0.43155 2014 12 20 57011 0.0203 0.2185 -0.43278 2014 12 21 57012 0.0181 0.2197 -0.43391 2014 12 22 57013 0.0159 0.2209 -0.43503 2014 12 23 57014 0.0138 0.2222 -0.43615 2014 12 24 57015 0.0116 0.2235 -0.43732 2014 12 25 57016 0.0095 0.2248 -0.43861 2014 12 26 57017 0.0074 0.2261 -0.44004 2014 12 27 57018 0.0053 0.2275 -0.44159 2014 12 28 57019 0.0032 0.2289 -0.44312 2014 12 29 57020 0.0012 0.2303 -0.44459 2014 12 30 57021 -0.0009 0.2318 -0.44593 2014 12 31 57022 -0.0029 0.2333 -0.44709 2015 1 1 57023 -0.0048 0.2349 -0.44806 2015 1 2 57024 -0.0068 0.2364 -0.44890 2015 1 3 57025 -0.0087 0.2380 -0.44959 2015 1 4 57026 -0.0106 0.2397 -0.45023 2015 1 5 57027 -0.0125 0.2413 -0.45089 2015 1 6 57028 -0.0143 0.2430 -0.45159 2015 1 7 57029 -0.0161 0.2448 -0.45240 2015 1 8 57030 -0.0179 0.2465 -0.45331 2015 1 9 57031 -0.0197 0.2483 -0.45434 2015 1 10 57032 -0.0214 0.2501 -0.45548 2015 1 11 57033 -0.0231 0.2519 -0.45672 2015 1 12 57034 -0.0248 0.2538 -0.45803 2015 1 13 57035 -0.0264 0.2557 -0.45938 2015 1 14 57036 -0.0280 0.2576 -0.46069 2015 1 15 57037 -0.0296 0.2595 -0.46198 2015 1 16 57038 -0.0312 0.2615 -0.46319 2015 1 17 57039 -0.0327 0.2635 -0.46440 2015 1 18 57040 -0.0341 0.2655 -0.46557 2015 1 19 57041 -0.0356 0.2675 -0.46672 2015 1 20 57042 -0.0370 0.2696 -0.46797 2015 1 21 57043 -0.0384 0.2717 -0.46932 2015 1 22 57044 -0.0397 0.2738 -0.47083 2015 1 23 57045 -0.0410 0.2759 -0.47246 2015 1 24 57046 -0.0423 0.2781 -0.47416 2015 1 25 57047 -0.0435 0.2802 -0.47579 2015 1 26 57048 -0.0447 0.2824 -0.47734 2015 1 27 57049 -0.0458 0.2847 -0.47873 2015 1 28 57050 -0.0469 0.2869 -0.47989 2015 1 29 57051 -0.0480 0.2891 -0.48089 2015 1 30 57052 -0.0491 0.2914 -0.48178 2015 1 31 57053 -0.0501 0.2937 -0.48258 2015 2 1 57054 -0.0510 0.2960 -0.48331 2015 2 2 57055 -0.0519 0.2983 -0.48401 2015 2 3 57056 -0.0528 0.3006 -0.48474 2015 2 4 57057 -0.0537 0.3030 -0.48550 2015 2 5 57058 -0.0545 0.3053 -0.48631 2015 2 6 57059 -0.0552 0.3077 -0.48721 2015 2 7 57060 -0.0559 0.3101 -0.48829 2015 2 8 57061 -0.0566 0.3125 -0.48944 2015 2 9 57062 -0.0572 0.3149 -0.49067 2015 2 10 57063 -0.0578 0.3173 -0.49199 2015 2 11 57064 -0.0584 0.3198 -0.49335 2015 2 12 57065 -0.0589 0.3222 -0.49474 2015 2 13 57066 -0.0594 0.3247 -0.49612 2015 2 14 57067 -0.0598 0.3271 -0.49744 2015 2 15 57068 -0.0602 0.3296 -0.49877 2015 2 16 57069 -0.0605 0.3321 -0.50020 2015 2 17 57070 -0.0608 0.3346 -0.50181 2015 2 18 57071 -0.0610 0.3371 -0.50362 2015 2 19 57072 -0.0612 0.3396 -0.50562 2015 2 20 57073 -0.0614 0.3421 -0.50774 2015 2 21 57074 -0.0615 0.3446 -0.50991 2015 2 22 57075 -0.0616 0.3471 -0.51202 2015 2 23 57076 -0.0616 0.3496 -0.51400 2015 2 24 57077 -0.0616 0.3521 -0.51579 2015 2 25 57078 -0.0616 0.3546 -0.51743 2015 2 26 57079 -0.0615 0.3571 -0.51894 2015 2 27 57080 -0.0613 0.3597 -0.52036 2015 2 28 57081 -0.0611 0.3622 -0.52169 2015 3 1 57082 -0.0609 0.3647 -0.52306 2015 3 2 57083 -0.0606 0.3672 -0.52448 2015 3 3 57084 -0.0603 0.3697 -0.52590 2015 3 4 57085 -0.0599 0.3722 -0.52737 2015 3 5 57086 -0.0595 0.3747 -0.52891 2015 3 6 57087 -0.0591 0.3772 -0.53048 2015 3 7 57088 -0.0586 0.3797 -0.53210 2015 3 8 57089 -0.0580 0.3822 -0.53371 2015 3 9 57090 -0.0574 0.3847 -0.53530 2015 3 10 57091 -0.0568 0.3872 -0.53687 2015 3 11 57092 -0.0561 0.3896 -0.53837 2015 3 12 57093 -0.0554 0.3921 -0.53983 2015 3 13 57094 -0.0546 0.3945 -0.54128 2015 3 14 57095 -0.0538 0.3970 -0.54271 2015 3 15 57096 -0.0530 0.3994 -0.54416 2015 3 16 57097 -0.0521 0.4018 -0.54569 2015 3 17 57098 -0.0511 0.4042 -0.54736 2015 3 18 57099 -0.0502 0.4066 -0.54919 2015 3 19 57100 -0.0491 0.4090 -0.55125 2015 3 20 57101 -0.0481 0.4113 -0.55343 2015 3 21 57102 -0.0470 0.4137 -0.55560 2015 3 22 57103 -0.0458 0.4160 -0.55771 2015 3 23 57104 -0.0446 0.4183 -0.55972 2015 3 24 57105 -0.0434 0.4206 -0.56150 2015 3 25 57106 -0.0421 0.4229 -0.56306 2015 3 26 57107 -0.0408 0.4252 -0.56450 2015 3 27 57108 -0.0394 0.4274 -0.56586 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) 56724 -80.69 0.30 -11.82 0.02 56725 -80.73 0.30 -11.93 0.02 56726 -80.76 0.30 -12.01 0.02 56727 -80.52 0.30 -12.08 0.15 56728 -80.09 0.13 -12.09 0.16 56729 -79.74 0.13 -12.02 0.16 56730 -79.62 0.13 -11.95 0.16 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56724 0.353 0.119 0.030 0.020 56725 0.374 0.119 0.058 0.020 56726 0.382 0.119 0.077 0.020 56727 0.394 0.119 0.064 0.150 56728 0.399 0.052 0.071 0.160 56729 0.392 0.052 0.124 0.160 56730 0.367 0.052 0.178 0.160 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).