********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 10 April 2014 Vol. XXVII No. 015 ______________________________________________________________________ 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 = -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 4 4 56751 0.04600 .00009 0.42490 .00009 -0.209073 0.000008 14 4 5 56752 0.04638 .00009 0.42570 .00009 -0.210264 0.000008 14 4 6 56753 0.04686 .00009 0.42622 .00009 -0.211475 0.000009 14 4 7 56754 0.04776 .00009 0.42649 .00009 -0.212677 0.000008 14 4 8 56755 0.04915 .00009 0.42718 .00009 -0.213862 0.000008 14 4 9 56756 0.05071 .00009 0.42820 .00009 -0.215067 0.000007 14 4 10 56757 0.05219 .00009 0.42907 .00009 -0.216352 0.000007 _______________________________________________________________________ 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 = 0.1004 - 0.0815 cos A + 0.0619 sin A + 0.0419 cos C + 0.0250 sin C y = 0.3523 + 0.0558 cos A + 0.0767 sin A + 0.0250 cos C - 0.0419 sin C UT1-UTC = -0.1913 - 0.00100 (MJD - 56765) - (UT2-UT1) where A = 2*pi*(MJD-56757)/365.25 and C = 2*pi*(MJD-56757)/435. TAI-UTC(MJD 56758) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56757)**0.80 S t = 0.00025 (MJD-56757)**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 4 11 56758 0.0537 0.4300 -0.21764 2014 4 12 56759 0.0551 0.4307 -0.21895 2014 4 13 56760 0.0565 0.4315 -0.22030 2014 4 14 56761 0.0579 0.4322 -0.22167 2014 4 15 56762 0.0593 0.4328 -0.22303 2014 4 16 56763 0.0607 0.4335 -0.22436 2014 4 17 56764 0.0622 0.4342 -0.22560 2014 4 18 56765 0.0637 0.4349 -0.22676 2014 4 19 56766 0.0653 0.4356 -0.22784 2014 4 20 56767 0.0669 0.4363 -0.22889 2014 4 21 56768 0.0684 0.4370 -0.22995 2014 4 22 56769 0.0700 0.4376 -0.23112 2014 4 23 56770 0.0716 0.4382 -0.23245 2014 4 24 56771 0.0733 0.4387 -0.23396 2014 4 25 56772 0.0749 0.4393 -0.23559 2014 4 26 56773 0.0766 0.4398 -0.23727 2014 4 27 56774 0.0783 0.4403 -0.23890 2014 4 28 56775 0.0800 0.4408 -0.24041 2014 4 29 56776 0.0817 0.4413 -0.24176 2014 4 30 56777 0.0834 0.4417 -0.24293 2014 5 1 56778 0.0852 0.4421 -0.24395 2014 5 2 56779 0.0869 0.4425 -0.24483 2014 5 3 56780 0.0887 0.4429 -0.24560 2014 5 4 56781 0.0905 0.4432 -0.24631 2014 5 5 56782 0.0923 0.4435 -0.24701 2014 5 6 56783 0.0941 0.4438 -0.24775 2014 5 7 56784 0.0960 0.4440 -0.24855 2014 5 8 56785 0.0978 0.4443 -0.24945 2014 5 9 56786 0.0996 0.4445 -0.25045 2014 5 10 56787 0.1015 0.4446 -0.25153 2014 5 11 56788 0.1033 0.4448 -0.25266 2014 5 12 56789 0.1052 0.4449 -0.25382 2014 5 13 56790 0.1071 0.4450 -0.25496 2014 5 14 56791 0.1090 0.4450 -0.25604 2014 5 15 56792 0.1109 0.4451 -0.25703 2014 5 16 56793 0.1127 0.4451 -0.25793 2014 5 17 56794 0.1146 0.4451 -0.25878 2014 5 18 56795 0.1165 0.4450 -0.25963 2014 5 19 56796 0.1185 0.4449 -0.26055 2014 5 20 56797 0.1204 0.4448 -0.26156 2014 5 21 56798 0.1223 0.4446 -0.26267 2014 5 22 56799 0.1242 0.4445 -0.26385 2014 5 23 56800 0.1261 0.4443 -0.26505 2014 5 24 56801 0.1280 0.4440 -0.26620 2014 5 25 56802 0.1299 0.4438 -0.26725 2014 5 26 56803 0.1318 0.4435 -0.26816 2014 5 27 56804 0.1338 0.4431 -0.26891 2014 5 28 56805 0.1357 0.4428 -0.26949 2014 5 29 56806 0.1376 0.4424 -0.26994 2014 5 30 56807 0.1395 0.4420 -0.27030 2014 5 31 56808 0.1414 0.4415 -0.27062 2014 6 1 56809 0.1433 0.4411 -0.27093 2014 6 2 56810 0.1452 0.4406 -0.27127 2014 6 3 56811 0.1471 0.4400 -0.27167 2014 6 4 56812 0.1490 0.4395 -0.27214 2014 6 5 56813 0.1508 0.4389 -0.27268 2014 6 6 56814 0.1527 0.4382 -0.27328 2014 6 7 56815 0.1546 0.4376 -0.27392 2014 6 8 56816 0.1564 0.4369 -0.27457 2014 6 9 56817 0.1583 0.4362 -0.27520 2014 6 10 56818 0.1601 0.4355 -0.27578 2014 6 11 56819 0.1619 0.4347 -0.27630 2014 6 12 56820 0.1638 0.4339 -0.27674 2014 6 13 56821 0.1656 0.4331 -0.27713 2014 6 14 56822 0.1674 0.4322 -0.27753 2014 6 15 56823 0.1691 0.4313 -0.27798 2014 6 16 56824 0.1709 0.4304 -0.27854 2014 6 17 56825 0.1727 0.4294 -0.27921 2014 6 18 56826 0.1744 0.4285 -0.27997 2014 6 19 56827 0.1761 0.4275 -0.28077 2014 6 20 56828 0.1778 0.4264 -0.28153 2014 6 21 56829 0.1795 0.4254 -0.28219 2014 6 22 56830 0.1812 0.4243 -0.28272 2014 6 23 56831 0.1829 0.4232 -0.28308 2014 6 24 56832 0.1845 0.4221 -0.28329 2014 6 25 56833 0.1862 0.4209 -0.28336 2014 6 26 56834 0.1878 0.4197 -0.28332 2014 6 27 56835 0.1894 0.4185 -0.28324 2014 6 28 56836 0.1909 0.4172 -0.28313 2014 6 29 56837 0.1925 0.4160 -0.28306 2014 6 30 56838 0.1940 0.4147 -0.28303 2014 7 1 56839 0.1955 0.4134 -0.28307 2014 7 2 56840 0.1970 0.4120 -0.28319 2014 7 3 56841 0.1985 0.4107 -0.28338 2014 7 4 56842 0.2000 0.4093 -0.28362 2014 7 5 56843 0.2014 0.4078 -0.28388 2014 7 6 56844 0.2028 0.4064 -0.28413 2014 7 7 56845 0.2042 0.4049 -0.28435 2014 7 8 56846 0.2055 0.4035 -0.28452 2014 7 9 56847 0.2068 0.4019 -0.28462 2014 7 10 56848 0.2082 0.4004 -0.28467 2014 7 11 56849 0.2094 0.3989 -0.28471 2014 7 12 56850 0.2107 0.3973 -0.28481 2014 7 13 56851 0.2119 0.3957 -0.28501 2014 7 14 56852 0.2131 0.3941 -0.28536 2014 7 15 56853 0.2143 0.3925 -0.28585 2014 7 16 56854 0.2154 0.3908 -0.28642 2014 7 17 56855 0.2166 0.3891 -0.28699 2014 7 18 56856 0.2176 0.3874 -0.28748 2014 7 19 56857 0.2187 0.3857 -0.28784 2014 7 20 56858 0.2197 0.3840 -0.28803 2014 7 21 56859 0.2207 0.3822 -0.28807 2014 7 22 56860 0.2217 0.3805 -0.28797 2014 7 23 56861 0.2227 0.3787 -0.28776 2014 7 24 56862 0.2236 0.3769 -0.28750 2014 7 25 56863 0.2245 0.3751 -0.28723 2014 7 26 56864 0.2253 0.3733 -0.28698 2014 7 27 56865 0.2261 0.3714 -0.28680 2014 7 28 56866 0.2269 0.3696 -0.28667 2014 7 29 56867 0.2277 0.3677 -0.28664 2014 7 30 56868 0.2284 0.3658 -0.28668 2014 7 31 56869 0.2291 0.3639 -0.28680 2014 8 1 56870 0.2297 0.3620 -0.28697 2014 8 2 56871 0.2303 0.3601 -0.28715 2014 8 3 56872 0.2309 0.3582 -0.28733 2014 8 4 56873 0.2315 0.3562 -0.28747 2014 8 5 56874 0.2320 0.3543 -0.28757 2014 8 6 56875 0.2325 0.3523 -0.28763 2014 8 7 56876 0.2329 0.3503 -0.28769 2014 8 8 56877 0.2334 0.3484 -0.28779 2014 8 9 56878 0.2337 0.3464 -0.28801 2014 8 10 56879 0.2341 0.3444 -0.28839 2014 8 11 56880 0.2344 0.3424 -0.28896 2014 8 12 56881 0.2347 0.3404 -0.28968 2014 8 13 56882 0.2349 0.3383 -0.29048 2014 8 14 56883 0.2351 0.3363 -0.29125 2014 8 15 56884 0.2353 0.3343 -0.29193 2014 8 16 56885 0.2354 0.3323 -0.29245 2014 8 17 56886 0.2355 0.3302 -0.29280 2014 8 18 56887 0.2356 0.3282 -0.29301 2014 8 19 56888 0.2356 0.3261 -0.29311 2014 8 20 56889 0.2356 0.3241 -0.29315 2014 8 21 56890 0.2355 0.3221 -0.29317 2014 8 22 56891 0.2354 0.3200 -0.29322 2014 8 23 56892 0.2353 0.3180 -0.29333 2014 8 24 56893 0.2351 0.3159 -0.29352 2014 8 25 56894 0.2349 0.3139 -0.29382 2014 8 26 56895 0.2347 0.3118 -0.29421 2014 8 27 56896 0.2344 0.3098 -0.29469 2014 8 28 56897 0.2341 0.3077 -0.29523 2014 8 29 56898 0.2338 0.3057 -0.29580 2014 8 30 56899 0.2334 0.3037 -0.29638 2014 8 31 56900 0.2330 0.3016 -0.29693 2014 9 1 56901 0.2325 0.2996 -0.29744 2014 9 2 56902 0.2320 0.2976 -0.29791 2014 9 3 56903 0.2315 0.2956 -0.29838 2014 9 4 56904 0.2309 0.2936 -0.29887 2014 9 5 56905 0.2303 0.2916 -0.29946 2014 9 6 56906 0.2296 0.2896 -0.30020 2014 9 7 56907 0.2289 0.2876 -0.30114 2014 9 8 56908 0.2282 0.2856 -0.30226 2014 9 9 56909 0.2275 0.2837 -0.30353 2014 9 10 56910 0.2267 0.2817 -0.30486 2014 9 11 56911 0.2259 0.2798 -0.30614 2014 9 12 56912 0.2250 0.2778 -0.30729 2014 9 13 56913 0.2241 0.2759 -0.30828 2014 9 14 56914 0.2232 0.2740 -0.30911 2014 9 15 56915 0.2222 0.2721 -0.30980 2014 9 16 56916 0.2212 0.2702 -0.31040 2014 9 17 56917 0.2201 0.2684 -0.31097 2014 9 18 56918 0.2191 0.2665 -0.31155 2014 9 19 56919 0.2179 0.2647 -0.31217 2014 9 20 56920 0.2168 0.2628 -0.31288 2014 9 21 56921 0.2156 0.2610 -0.31367 2014 9 22 56922 0.2144 0.2592 -0.31457 2014 9 23 56923 0.2132 0.2575 -0.31556 2014 9 24 56924 0.2119 0.2557 -0.31661 2014 9 25 56925 0.2106 0.2540 -0.31770 2014 9 26 56926 0.2092 0.2522 -0.31879 2014 9 27 56927 0.2078 0.2505 -0.31986 2014 9 28 56928 0.2064 0.2489 -0.32089 2014 9 29 56929 0.2050 0.2472 -0.32186 2014 9 30 56930 0.2035 0.2456 -0.32280 2014 10 1 56931 0.2020 0.2440 -0.32374 2014 10 2 56932 0.2004 0.2424 -0.32474 2014 10 3 56933 0.1989 0.2408 -0.32585 2014 10 4 56934 0.1973 0.2392 -0.32713 2014 10 5 56935 0.1956 0.2377 -0.32859 2014 10 6 56936 0.1940 0.2362 -0.33021 2014 10 7 56937 0.1923 0.2347 -0.33194 2014 10 8 56938 0.1906 0.2333 -0.33368 2014 10 9 56939 0.1888 0.2318 -0.33534 2014 10 10 56940 0.1871 0.2304 -0.33685 2014 10 11 56941 0.1853 0.2291 -0.33818 2014 10 12 56942 0.1834 0.2277 -0.33935 2014 10 13 56943 0.1816 0.2264 -0.34039 2014 10 14 56944 0.1797 0.2251 -0.34135 2014 10 15 56945 0.1778 0.2238 -0.34227 2014 10 16 56946 0.1759 0.2226 -0.34319 2014 10 17 56947 0.1739 0.2214 -0.34415 2014 10 18 56948 0.1719 0.2202 -0.34518 2014 10 19 56949 0.1699 0.2190 -0.34627 2014 10 20 56950 0.1679 0.2179 -0.34744 2014 10 21 56951 0.1659 0.2168 -0.34866 2014 10 22 56952 0.1638 0.2158 -0.34992 2014 10 23 56953 0.1617 0.2147 -0.35119 2014 10 24 56954 0.1596 0.2137 -0.35243 2014 10 25 56955 0.1575 0.2128 -0.35363 2014 10 26 56956 0.1553 0.2118 -0.35477 2014 10 27 56957 0.1531 0.2109 -0.35585 2014 10 28 56958 0.1509 0.2101 -0.35691 2014 10 29 56959 0.1487 0.2092 -0.35800 2014 10 30 56960 0.1465 0.2084 -0.35917 2014 10 31 56961 0.1443 0.2077 -0.36046 2014 11 1 56962 0.1420 0.2069 -0.36191 2014 11 2 56963 0.1397 0.2062 -0.36351 2014 11 3 56964 0.1374 0.2055 -0.36521 2014 11 4 56965 0.1351 0.2049 -0.36696 2014 11 5 56966 0.1328 0.2043 -0.36867 2014 11 6 56967 0.1305 0.2038 -0.37028 2014 11 7 56968 0.1281 0.2032 -0.37176 2014 11 8 56969 0.1258 0.2027 -0.37312 2014 11 9 56970 0.1234 0.2023 -0.37436 2014 11 10 56971 0.1210 0.2019 -0.37553 2014 11 11 56972 0.1186 0.2015 -0.37664 2014 11 12 56973 0.1162 0.2011 -0.37772 2014 11 13 56974 0.1138 0.2008 -0.37879 2014 11 14 56975 0.1114 0.2006 -0.37992 2014 11 15 56976 0.1090 0.2003 -0.38113 2014 11 16 56977 0.1066 0.2001 -0.38243 2014 11 17 56978 0.1041 0.2000 -0.38378 2014 11 18 56979 0.1017 0.1998 -0.38513 2014 11 19 56980 0.0992 0.1997 -0.38647 2014 11 20 56981 0.0968 0.1997 -0.38778 2014 11 21 56982 0.0943 0.1997 -0.38904 2014 11 22 56983 0.0919 0.1997 -0.39025 2014 11 23 56984 0.0894 0.1998 -0.39141 2014 11 24 56985 0.0869 0.1999 -0.39254 2014 11 25 56986 0.0845 0.2000 -0.39364 2014 11 26 56987 0.0820 0.2002 -0.39480 2014 11 27 56988 0.0795 0.2004 -0.39608 2014 11 28 56989 0.0771 0.2007 -0.39750 2014 11 29 56990 0.0746 0.2009 -0.39904 2014 11 30 56991 0.0722 0.2013 -0.40063 2014 12 1 56992 0.0697 0.2016 -0.40225 2014 12 2 56993 0.0672 0.2021 -0.40385 2014 12 3 56994 0.0648 0.2025 -0.40537 2014 12 4 56995 0.0624 0.2030 -0.40675 2014 12 5 56996 0.0599 0.2035 -0.40801 2014 12 6 56997 0.0575 0.2041 -0.40914 2014 12 7 56998 0.0551 0.2047 -0.41017 2014 12 8 56999 0.0527 0.2053 -0.41111 2014 12 9 57000 0.0502 0.2060 -0.41205 2014 12 10 57001 0.0478 0.2067 -0.41299 2014 12 11 57002 0.0455 0.2074 -0.41392 2014 12 12 57003 0.0431 0.2082 -0.41491 2014 12 13 57004 0.0407 0.2090 -0.41594 2014 12 14 57005 0.0384 0.2099 -0.41707 2014 12 15 57006 0.0360 0.2108 -0.41832 2014 12 16 57007 0.0337 0.2117 -0.41960 2014 12 17 57008 0.0314 0.2127 -0.42090 2014 12 18 57009 0.0291 0.2137 -0.42217 2014 12 19 57010 0.0268 0.2147 -0.42335 2014 12 20 57011 0.0245 0.2158 -0.42444 2014 12 21 57012 0.0223 0.2169 -0.42546 2014 12 22 57013 0.0201 0.2180 -0.42646 2014 12 23 57014 0.0178 0.2192 -0.42748 2014 12 24 57015 0.0156 0.2204 -0.42862 2014 12 25 57016 0.0135 0.2217 -0.42993 2014 12 26 57017 0.0113 0.2229 -0.43136 2014 12 27 57018 0.0092 0.2243 -0.43290 2014 12 28 57019 0.0071 0.2256 -0.43449 2014 12 29 57020 0.0050 0.2270 -0.43609 2014 12 30 57021 0.0029 0.2284 -0.43764 2014 12 31 57022 0.0008 0.2299 -0.43903 2015 1 1 57023 -0.0012 0.2314 -0.44027 2015 1 2 57024 -0.0032 0.2329 -0.44137 2015 1 3 57025 -0.0052 0.2344 -0.44240 2015 1 4 57026 -0.0071 0.2360 -0.44336 2015 1 5 57027 -0.0090 0.2376 -0.44426 2015 1 6 57028 -0.0109 0.2392 -0.44519 2015 1 7 57029 -0.0128 0.2409 -0.44614 2015 1 8 57030 -0.0146 0.2426 -0.44712 2015 1 9 57031 -0.0165 0.2443 -0.44816 2015 1 10 57032 -0.0182 0.2461 -0.44923 2015 1 11 57033 -0.0200 0.2479 -0.45035 2015 1 12 57034 -0.0217 0.2497 -0.45148 2015 1 13 57035 -0.0234 0.2515 -0.45264 2015 1 14 57036 -0.0251 0.2534 -0.45379 2015 1 15 57037 -0.0267 0.2553 -0.45496 2015 1 16 57038 -0.0283 0.2572 -0.45610 2015 1 17 57039 -0.0299 0.2592 -0.45723 2015 1 18 57040 -0.0314 0.2612 -0.45831 2015 1 19 57041 -0.0329 0.2632 -0.45942 2015 1 20 57042 -0.0344 0.2652 -0.46059 2015 1 21 57043 -0.0358 0.2672 -0.46186 2015 1 22 57044 -0.0372 0.2693 -0.46330 2015 1 23 57045 -0.0386 0.2714 -0.46488 2015 1 24 57046 -0.0399 0.2735 -0.46656 2015 1 25 57047 -0.0412 0.2756 -0.46819 2015 1 26 57048 -0.0425 0.2778 -0.46970 2015 1 27 57049 -0.0437 0.2800 -0.47104 2015 1 28 57050 -0.0449 0.2822 -0.47217 2015 1 29 57051 -0.0460 0.2844 -0.47312 2015 1 30 57052 -0.0471 0.2866 -0.47395 2015 1 31 57053 -0.0482 0.2889 -0.47467 2015 2 1 57054 -0.0492 0.2912 -0.47538 2015 2 2 57055 -0.0502 0.2935 -0.47614 2015 2 3 57056 -0.0512 0.2958 -0.47698 2015 2 4 57057 -0.0521 0.2981 -0.47794 2015 2 5 57058 -0.0530 0.3005 -0.47903 2015 2 6 57059 -0.0538 0.3028 -0.48024 2015 2 7 57060 -0.0546 0.3052 -0.48155 2015 2 8 57061 -0.0553 0.3076 -0.48295 2015 2 9 57062 -0.0561 0.3100 -0.48442 2015 2 10 57063 -0.0567 0.3124 -0.48591 2015 2 11 57064 -0.0573 0.3148 -0.48735 2015 2 12 57065 -0.0579 0.3172 -0.48876 2015 2 13 57066 -0.0585 0.3197 -0.49011 2015 2 14 57067 -0.0590 0.3221 -0.49147 2015 2 15 57068 -0.0594 0.3246 -0.49284 2015 2 16 57069 -0.0598 0.3270 -0.49422 2015 2 17 57070 -0.0602 0.3295 -0.49576 2015 2 18 57071 -0.0605 0.3320 -0.49743 2015 2 19 57072 -0.0608 0.3345 -0.49928 2015 2 20 57073 -0.0610 0.3370 -0.50127 2015 2 21 57074 -0.0612 0.3395 -0.50329 2015 2 22 57075 -0.0614 0.3420 -0.50522 2015 2 23 57076 -0.0615 0.3445 -0.50701 2015 2 24 57077 -0.0616 0.3470 -0.50863 2015 2 25 57078 -0.0616 0.3496 -0.51001 2015 2 26 57079 -0.0616 0.3521 -0.51122 2015 2 27 57080 -0.0615 0.3546 -0.51235 2015 2 28 57081 -0.0614 0.3571 -0.51341 2015 3 1 57082 -0.0612 0.3596 -0.51443 2015 3 2 57083 -0.0610 0.3622 -0.51545 2015 3 3 57084 -0.0608 0.3647 -0.51650 2015 3 4 57085 -0.0605 0.3672 -0.51758 2015 3 5 57086 -0.0601 0.3697 -0.51872 2015 3 6 57087 -0.0598 0.3722 -0.51993 2015 3 7 57088 -0.0593 0.3747 -0.52132 2015 3 8 57089 -0.0589 0.3772 -0.52276 2015 3 9 57090 -0.0584 0.3797 -0.52424 2015 3 10 57091 -0.0578 0.3822 -0.52580 2015 3 11 57092 -0.0572 0.3847 -0.52739 2015 3 12 57093 -0.0566 0.3872 -0.52898 2015 3 13 57094 -0.0559 0.3897 -0.53058 2015 3 14 57095 -0.0551 0.3921 -0.53213 2015 3 15 57096 -0.0544 0.3946 -0.53371 2015 3 16 57097 -0.0535 0.3970 -0.53542 2015 3 17 57098 -0.0527 0.3994 -0.53733 2015 3 18 57099 -0.0518 0.4018 -0.53945 2015 3 19 57100 -0.0508 0.4043 -0.54175 2015 3 20 57101 -0.0498 0.4066 -0.54416 2015 3 21 57102 -0.0488 0.4090 -0.54657 2015 3 22 57103 -0.0477 0.4114 -0.54889 2015 3 23 57104 -0.0466 0.4137 -0.55105 2015 3 24 57105 -0.0454 0.4161 -0.55301 2015 3 25 57106 -0.0442 0.4184 -0.55481 2015 3 26 57107 -0.0430 0.4207 -0.55650 2015 3 27 57108 -0.0417 0.4230 -0.55811 2015 3 28 57109 -0.0404 0.4252 -0.55964 2015 3 29 57110 -0.0390 0.4275 -0.56122 2015 3 30 57111 -0.0376 0.4297 -0.56286 2015 3 31 57112 -0.0361 0.4319 -0.56449 2015 4 1 57113 -0.0347 0.4341 -0.56616 2015 4 2 57114 -0.0331 0.4362 -0.56789 2015 4 3 57115 -0.0316 0.4384 -0.56962 2015 4 4 57116 -0.0300 0.4405 -0.57137 2015 4 5 57117 -0.0283 0.4426 -0.57307 2015 4 6 57118 -0.0266 0.4447 -0.57474 2015 4 7 57119 -0.0249 0.4467 -0.57635 2015 4 8 57120 -0.0232 0.4487 -0.57788 2015 4 9 57121 -0.0214 0.4507 -0.57935 2015 4 10 57122 -0.0195 0.4527 -0.58081 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) 56735 -79.92 0.21 -12.35 0.03 56736 -79.87 0.21 -12.41 0.03 56737 -79.77 0.21 -12.51 0.03 56738 -79.68 0.47 -12.62 0.03 56739 -79.62 0.30 -12.72 0.04 56740 -79.57 0.30 -12.85 0.04 56741 -79.51 0.30 -13.00 0.04 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56735 0.208 0.084 0.038 0.030 56736 0.249 0.084 0.006 0.030 56737 0.289 0.084 -0.031 0.030 56738 0.327 0.187 -0.056 0.030 56739 0.360 0.119 -0.064 0.040 56740 0.376 0.119 -0.078 0.040 56741 0.367 0.119 -0.090 0.040 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).