********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 3 April 2014 Vol. XXVII No. 014 ______________________________________________________________________ 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 28 56744 0.03677 .00009 0.41598 .00009 -0.198120 0.000015 14 3 29 56745 0.03853 .00009 0.41688 .00009 -0.199877 0.000016 14 3 30 56746 0.04040 .00009 0.41804 .00009 -0.201676 0.000015 14 3 31 56747 0.04219 .00009 0.41942 .00009 -0.203412 0.000012 14 4 1 56748 0.04362 .00009 0.42094 .00009 -0.204994 0.000012 14 4 2 56749 0.04471 .00009 0.42246 .00009 -0.206471 0.000010 14 4 3 56750 0.04552 .00009 0.42386 .00009 -0.207844 0.000009 IERS Final Values MJD x y UT1-UTC " " s 14 2 2 56690 0.0235 0.3495 -0.13107 14 2 3 56691 0.0236 0.3501 -0.13246 14 2 4 56692 0.0237 0.3510 -0.13374 14 2 5 56693 0.0239 0.3523 -0.13486 14 2 6 56694 0.0243 0.3537 -0.13579 14 2 7 56695 0.0245 0.3553 -0.13655 14 2 8 56696 0.0245 0.3567 -0.13721 14 2 9 56697 0.0244 0.3582 -0.13781 14 2 10 56698 0.0242 0.3598 -0.13840 14 2 11 56699 0.0240 0.3618 -0.13901 14 2 12 56700 0.0235 0.3637 -0.13967 14 2 13 56701 0.0228 0.3654 -0.14046 14 2 14 56702 0.0221 0.3671 -0.14140 14 2 15 56703 0.0215 0.3686 -0.14245 14 2 16 56704 0.0210 0.3704 -0.14366 14 2 17 56705 0.0205 0.3721 -0.14496 14 2 18 56706 0.0198 0.3734 -0.14632 14 2 19 56707 0.0199 0.3748 -0.14771 14 2 20 56708 0.0201 0.3761 -0.14905 14 2 21 56709 0.0203 0.3774 -0.15034 14 2 22 56710 0.0205 0.3785 -0.15154 14 2 23 56711 0.0207 0.3799 -0.15268 14 2 24 56712 0.0204 0.3814 -0.15383 14 2 25 56713 0.0196 0.3827 -0.15504 14 2 26 56714 0.0188 0.3836 -0.15638 14 2 27 56715 0.0188 0.3842 -0.15793 14 2 28 56716 0.0193 0.3852 -0.15974 14 3 1 56717 0.0198 0.3866 -0.16170 _______________________________________________________________________ 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 = 0.0997 - 0.0877 cos A + 0.0557 sin A + 0.0402 cos C + 0.0254 sin C y = 0.3537 + 0.0493 cos A + 0.0821 sin A + 0.0254 cos C - 0.0402 sin C UT1-UTC = -0.1874 - 0.00100 (MJD - 56758) - (UT2-UT1) where A = 2*pi*(MJD-56750)/365.25 and C = 2*pi*(MJD-56750)/435. TAI-UTC(MJD 56751) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56750)**0.80 S t = 0.00025 (MJD-56750)**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 4 56751 0.0465 0.4250 -0.20910 2014 4 5 56752 0.0475 0.4261 -0.21030 2014 4 6 56753 0.0487 0.4270 -0.21146 2014 4 7 56754 0.0500 0.4279 -0.21262 2014 4 8 56755 0.0514 0.4288 -0.21378 2014 4 9 56756 0.0530 0.4296 -0.21497 2014 4 10 56757 0.0545 0.4305 -0.21621 2014 4 11 56758 0.0559 0.4315 -0.21752 2014 4 12 56759 0.0574 0.4323 -0.21892 2014 4 13 56760 0.0589 0.4332 -0.22043 2014 4 14 56761 0.0604 0.4340 -0.22201 2014 4 15 56762 0.0619 0.4347 -0.22359 2014 4 16 56763 0.0634 0.4355 -0.22508 2014 4 17 56764 0.0650 0.4362 -0.22645 2014 4 18 56765 0.0666 0.4370 -0.22771 2014 4 19 56766 0.0683 0.4377 -0.22888 2014 4 20 56767 0.0699 0.4383 -0.23003 2014 4 21 56768 0.0716 0.4390 -0.23120 2014 4 22 56769 0.0732 0.4396 -0.23243 2014 4 23 56770 0.0749 0.4402 -0.23374 2014 4 24 56771 0.0766 0.4408 -0.23515 2014 4 25 56772 0.0783 0.4413 -0.23665 2014 4 26 56773 0.0801 0.4418 -0.23820 2014 4 27 56774 0.0818 0.4423 -0.23974 2014 4 28 56775 0.0836 0.4427 -0.24120 2014 4 29 56776 0.0854 0.4432 -0.24253 2014 4 30 56777 0.0872 0.4436 -0.24371 2014 5 1 56778 0.0890 0.4439 -0.24476 2014 5 2 56779 0.0908 0.4443 -0.24571 2014 5 3 56780 0.0926 0.4446 -0.24659 2014 5 4 56781 0.0944 0.4449 -0.24744 2014 5 5 56782 0.0963 0.4451 -0.24829 2014 5 6 56783 0.0981 0.4454 -0.24918 2014 5 7 56784 0.1000 0.4456 -0.25015 2014 5 8 56785 0.1019 0.4457 -0.25119 2014 5 9 56786 0.1038 0.4459 -0.25231 2014 5 10 56787 0.1056 0.4460 -0.25349 2014 5 11 56788 0.1075 0.4461 -0.25470 2014 5 12 56789 0.1094 0.4461 -0.25590 2014 5 13 56790 0.1113 0.4462 -0.25705 2014 5 14 56791 0.1133 0.4462 -0.25812 2014 5 15 56792 0.1152 0.4461 -0.25908 2014 5 16 56793 0.1171 0.4461 -0.25996 2014 5 17 56794 0.1190 0.4460 -0.26078 2014 5 18 56795 0.1209 0.4458 -0.26160 2014 5 19 56796 0.1229 0.4457 -0.26249 2014 5 20 56797 0.1248 0.4455 -0.26347 2014 5 21 56798 0.1267 0.4453 -0.26457 2014 5 22 56799 0.1287 0.4450 -0.26576 2014 5 23 56800 0.1306 0.4448 -0.26698 2014 5 24 56801 0.1325 0.4445 -0.26817 2014 5 25 56802 0.1345 0.4441 -0.26928 2014 5 26 56803 0.1364 0.4438 -0.27024 2014 5 27 56804 0.1383 0.4434 -0.27104 2014 5 28 56805 0.1402 0.4429 -0.27168 2014 5 29 56806 0.1421 0.4425 -0.27218 2014 5 30 56807 0.1441 0.4420 -0.27258 2014 5 31 56808 0.1460 0.4415 -0.27293 2014 6 1 56809 0.1479 0.4409 -0.27328 2014 6 2 56810 0.1498 0.4404 -0.27367 2014 6 3 56811 0.1517 0.4398 -0.27412 2014 6 4 56812 0.1535 0.4391 -0.27464 2014 6 5 56813 0.1554 0.4385 -0.27524 2014 6 6 56814 0.1573 0.4378 -0.27590 2014 6 7 56815 0.1591 0.4370 -0.27661 2014 6 8 56816 0.1610 0.4363 -0.27732 2014 6 9 56817 0.1628 0.4355 -0.27801 2014 6 10 56818 0.1647 0.4347 -0.27865 2014 6 11 56819 0.1665 0.4339 -0.27921 2014 6 12 56820 0.1683 0.4330 -0.27968 2014 6 13 56821 0.1701 0.4321 -0.28009 2014 6 14 56822 0.1719 0.4312 -0.28050 2014 6 15 56823 0.1736 0.4302 -0.28095 2014 6 16 56824 0.1754 0.4292 -0.28151 2014 6 17 56825 0.1771 0.4282 -0.28218 2014 6 18 56826 0.1789 0.4272 -0.28294 2014 6 19 56827 0.1806 0.4261 -0.28373 2014 6 20 56828 0.1823 0.4250 -0.28450 2014 6 21 56829 0.1840 0.4239 -0.28517 2014 6 22 56830 0.1856 0.4227 -0.28570 2014 6 23 56831 0.1873 0.4215 -0.28607 2014 6 24 56832 0.1889 0.4203 -0.28629 2014 6 25 56833 0.1905 0.4191 -0.28636 2014 6 26 56834 0.1921 0.4179 -0.28632 2014 6 27 56835 0.1936 0.4166 -0.28622 2014 6 28 56836 0.1952 0.4153 -0.28611 2014 6 29 56837 0.1967 0.4139 -0.28602 2014 6 30 56838 0.1982 0.4126 -0.28597 2014 7 1 56839 0.1997 0.4112 -0.28599 2014 7 2 56840 0.2012 0.4098 -0.28609 2014 7 3 56841 0.2026 0.4084 -0.28625 2014 7 4 56842 0.2040 0.4069 -0.28647 2014 7 5 56843 0.2054 0.4054 -0.28672 2014 7 6 56844 0.2068 0.4039 -0.28695 2014 7 7 56845 0.2081 0.4024 -0.28716 2014 7 8 56846 0.2095 0.4009 -0.28731 2014 7 9 56847 0.2108 0.3993 -0.28740 2014 7 10 56848 0.2120 0.3977 -0.28744 2014 7 11 56849 0.2133 0.3961 -0.28747 2014 7 12 56850 0.2145 0.3945 -0.28755 2014 7 13 56851 0.2157 0.3928 -0.28774 2014 7 14 56852 0.2168 0.3912 -0.28808 2014 7 15 56853 0.2180 0.3895 -0.28856 2014 7 16 56854 0.2191 0.3878 -0.28912 2014 7 17 56855 0.2201 0.3860 -0.28968 2014 7 18 56856 0.2212 0.3843 -0.29016 2014 7 19 56857 0.2222 0.3825 -0.29051 2014 7 20 56858 0.2232 0.3808 -0.29071 2014 7 21 56859 0.2241 0.3790 -0.29073 2014 7 22 56860 0.2251 0.3772 -0.29062 2014 7 23 56861 0.2260 0.3753 -0.29041 2014 7 24 56862 0.2268 0.3735 -0.29015 2014 7 25 56863 0.2277 0.3716 -0.28987 2014 7 26 56864 0.2285 0.3698 -0.28961 2014 7 27 56865 0.2292 0.3679 -0.28942 2014 7 28 56866 0.2300 0.3660 -0.28931 2014 7 29 56867 0.2307 0.3640 -0.28929 2014 7 30 56868 0.2313 0.3621 -0.28935 2014 7 31 56869 0.2320 0.3602 -0.28948 2014 8 1 56870 0.2326 0.3582 -0.28965 2014 8 2 56871 0.2331 0.3563 -0.28984 2014 8 3 56872 0.2337 0.3543 -0.29002 2014 8 4 56873 0.2342 0.3523 -0.29017 2014 8 5 56874 0.2346 0.3503 -0.29028 2014 8 6 56875 0.2351 0.3483 -0.29035 2014 8 7 56876 0.2355 0.3463 -0.29042 2014 8 8 56877 0.2358 0.3443 -0.29054 2014 8 9 56878 0.2361 0.3423 -0.29076 2014 8 10 56879 0.2364 0.3403 -0.29116 2014 8 11 56880 0.2367 0.3382 -0.29174 2014 8 12 56881 0.2369 0.3362 -0.29248 2014 8 13 56882 0.2371 0.3341 -0.29329 2014 8 14 56883 0.2372 0.3321 -0.29408 2014 8 15 56884 0.2373 0.3300 -0.29478 2014 8 16 56885 0.2374 0.3280 -0.29532 2014 8 17 56886 0.2374 0.3259 -0.29569 2014 8 18 56887 0.2374 0.3239 -0.29592 2014 8 19 56888 0.2374 0.3218 -0.29604 2014 8 20 56889 0.2373 0.3197 -0.29610 2014 8 21 56890 0.2372 0.3177 -0.29614 2014 8 22 56891 0.2370 0.3156 -0.29621 2014 8 23 56892 0.2368 0.3135 -0.29634 2014 8 24 56893 0.2366 0.3115 -0.29656 2014 8 25 56894 0.2363 0.3094 -0.29687 2014 8 26 56895 0.2360 0.3073 -0.29728 2014 8 27 56896 0.2357 0.3053 -0.29778 2014 8 28 56897 0.2353 0.3032 -0.29833 2014 8 29 56898 0.2349 0.3012 -0.29891 2014 8 30 56899 0.2344 0.2991 -0.29949 2014 8 31 56900 0.2339 0.2971 -0.30005 2014 9 1 56901 0.2334 0.2951 -0.30056 2014 9 2 56902 0.2328 0.2930 -0.30104 2014 9 3 56903 0.2322 0.2910 -0.30151 2014 9 4 56904 0.2316 0.2890 -0.30201 2014 9 5 56905 0.2309 0.2870 -0.30260 2014 9 6 56906 0.2302 0.2850 -0.30334 2014 9 7 56907 0.2294 0.2830 -0.30428 2014 9 8 56908 0.2287 0.2810 -0.30541 2014 9 9 56909 0.2278 0.2791 -0.30669 2014 9 10 56910 0.2270 0.2771 -0.30802 2014 9 11 56911 0.2261 0.2752 -0.30931 2014 9 12 56912 0.2251 0.2732 -0.31047 2014 9 13 56913 0.2242 0.2713 -0.31147 2014 9 14 56914 0.2232 0.2694 -0.31231 2014 9 15 56915 0.2221 0.2675 -0.31301 2014 9 16 56916 0.2211 0.2656 -0.31363 2014 9 17 56917 0.2199 0.2638 -0.31421 2014 9 18 56918 0.2188 0.2619 -0.31480 2014 9 19 56919 0.2176 0.2601 -0.31544 2014 9 20 56920 0.2164 0.2583 -0.31616 2014 9 21 56921 0.2152 0.2565 -0.31698 2014 9 22 56922 0.2139 0.2547 -0.31789 2014 9 23 56923 0.2126 0.2530 -0.31889 2014 9 24 56924 0.2112 0.2512 -0.31996 2014 9 25 56925 0.2098 0.2495 -0.32107 2014 9 26 56926 0.2084 0.2478 -0.32218 2014 9 27 56927 0.2070 0.2461 -0.32326 2014 9 28 56928 0.2055 0.2445 -0.32430 2014 9 29 56929 0.2040 0.2428 -0.32528 2014 9 30 56930 0.2024 0.2412 -0.32622 2014 10 1 56931 0.2009 0.2396 -0.32716 2014 10 2 56932 0.1993 0.2380 -0.32814 2014 10 3 56933 0.1976 0.2365 -0.32924 2014 10 4 56934 0.1960 0.2350 -0.33048 2014 10 5 56935 0.1943 0.2335 -0.33189 2014 10 6 56936 0.1925 0.2320 -0.33345 2014 10 7 56937 0.1908 0.2305 -0.33509 2014 10 8 56938 0.1890 0.2291 -0.33673 2014 10 9 56939 0.1872 0.2277 -0.33827 2014 10 10 56940 0.1854 0.2263 -0.33964 2014 10 11 56941 0.1835 0.2250 -0.34083 2014 10 12 56942 0.1816 0.2237 -0.34186 2014 10 13 56943 0.1797 0.2224 -0.34276 2014 10 14 56944 0.1778 0.2211 -0.34360 2014 10 15 56945 0.1758 0.2199 -0.34443 2014 10 16 56946 0.1738 0.2187 -0.34528 2014 10 17 56947 0.1718 0.2175 -0.34621 2014 10 18 56948 0.1698 0.2164 -0.34721 2014 10 19 56949 0.1677 0.2153 -0.34832 2014 10 20 56950 0.1656 0.2142 -0.34952 2014 10 21 56951 0.1635 0.2131 -0.35079 2014 10 22 56952 0.1614 0.2121 -0.35211 2014 10 23 56953 0.1593 0.2111 -0.35345 2014 10 24 56954 0.1571 0.2102 -0.35478 2014 10 25 56955 0.1549 0.2092 -0.35607 2014 10 26 56956 0.1527 0.2084 -0.35730 2014 10 27 56957 0.1505 0.2075 -0.35850 2014 10 28 56958 0.1482 0.2067 -0.35968 2014 10 29 56959 0.1460 0.2059 -0.36089 2014 10 30 56960 0.1437 0.2051 -0.36218 2014 10 31 56961 0.1414 0.2044 -0.36359 2014 11 1 56962 0.1391 0.2037 -0.36513 2014 11 2 56963 0.1368 0.2031 -0.36681 2014 11 3 56964 0.1344 0.2024 -0.36859 2014 11 4 56965 0.1321 0.2019 -0.37040 2014 11 5 56966 0.1297 0.2013 -0.37216 2014 11 6 56967 0.1273 0.2008 -0.37378 2014 11 7 56968 0.1249 0.2003 -0.37525 2014 11 8 56969 0.1225 0.1999 -0.37657 2014 11 9 56970 0.1201 0.1995 -0.37776 2014 11 10 56971 0.1177 0.1991 -0.37886 2014 11 11 56972 0.1153 0.1988 -0.37992 2014 11 12 56973 0.1128 0.1985 -0.38097 2014 11 13 56974 0.1104 0.1983 -0.38208 2014 11 14 56975 0.1079 0.1980 -0.38326 2014 11 15 56976 0.1055 0.1979 -0.38450 2014 11 16 56977 0.1030 0.1977 -0.38578 2014 11 17 56978 0.1005 0.1976 -0.38712 2014 11 18 56979 0.0981 0.1976 -0.38850 2014 11 19 56980 0.0956 0.1975 -0.38991 2014 11 20 56981 0.0931 0.1975 -0.39129 2014 11 21 56982 0.0906 0.1976 -0.39266 2014 11 22 56983 0.0881 0.1977 -0.39398 2014 11 23 56984 0.0856 0.1978 -0.39524 2014 11 24 56985 0.0831 0.1980 -0.39642 2014 11 25 56986 0.0806 0.1982 -0.39761 2014 11 26 56987 0.0781 0.1984 -0.39883 2014 11 27 56988 0.0756 0.1987 -0.40010 2014 11 28 56989 0.0732 0.1990 -0.40148 2014 11 29 56990 0.0707 0.1994 -0.40297 2014 11 30 56991 0.0682 0.1998 -0.40459 2014 12 1 56992 0.0657 0.2002 -0.40631 2014 12 2 56993 0.0632 0.2007 -0.40802 2014 12 3 56994 0.0608 0.2012 -0.40967 2014 12 4 56995 0.0583 0.2017 -0.41118 2014 12 5 56996 0.0558 0.2023 -0.41249 2014 12 6 56997 0.0534 0.2029 -0.41363 2014 12 7 56998 0.0510 0.2036 -0.41465 2014 12 8 56999 0.0485 0.2043 -0.41558 2014 12 9 57000 0.0461 0.2050 -0.41649 2014 12 10 57001 0.0437 0.2058 -0.41745 2014 12 11 57002 0.0413 0.2066 -0.41848 2014 12 12 57003 0.0389 0.2075 -0.41956 2014 12 13 57004 0.0365 0.2083 -0.42072 2014 12 14 57005 0.0342 0.2093 -0.42196 2014 12 15 57006 0.0318 0.2102 -0.42326 2014 12 16 57007 0.0295 0.2112 -0.42464 2014 12 17 57008 0.0272 0.2123 -0.42599 2014 12 18 57009 0.0249 0.2133 -0.42730 2014 12 19 57010 0.0226 0.2144 -0.42855 2014 12 20 57011 0.0203 0.2156 -0.42978 2014 12 21 57012 0.0180 0.2167 -0.43096 2014 12 22 57013 0.0158 0.2180 -0.43210 2014 12 23 57014 0.0136 0.2192 -0.43328 2014 12 24 57015 0.0114 0.2205 -0.43453 2014 12 25 57016 0.0092 0.2218 -0.43587 2014 12 26 57017 0.0071 0.2232 -0.43734 2014 12 27 57018 0.0049 0.2245 -0.43888 2014 12 28 57019 0.0028 0.2260 -0.44044 2014 12 29 57020 0.0007 0.2274 -0.44195 2014 12 30 57021 -0.0013 0.2289 -0.44339 2014 12 31 57022 -0.0034 0.2304 -0.44472 2015 1 1 57023 -0.0054 0.2320 -0.44594 2015 1 2 57024 -0.0074 0.2335 -0.44704 2015 1 3 57025 -0.0093 0.2351 -0.44806 2015 1 4 57026 -0.0113 0.2368 -0.44897 2015 1 5 57027 -0.0132 0.2385 -0.44987 2015 1 6 57028 -0.0151 0.2402 -0.45073 2015 1 7 57029 -0.0169 0.2419 -0.45160 2015 1 8 57030 -0.0188 0.2437 -0.45253 2015 1 9 57031 -0.0206 0.2455 -0.45353 2015 1 10 57032 -0.0223 0.2473 -0.45461 2015 1 11 57033 -0.0241 0.2491 -0.45571 2015 1 12 57034 -0.0258 0.2510 -0.45679 2015 1 13 57035 -0.0275 0.2529 -0.45785 2015 1 14 57036 -0.0291 0.2548 -0.45883 2015 1 15 57037 -0.0307 0.2568 -0.45975 2015 1 16 57038 -0.0323 0.2588 -0.46063 2015 1 17 57039 -0.0338 0.2608 -0.46143 2015 1 18 57040 -0.0353 0.2628 -0.46224 2015 1 19 57041 -0.0368 0.2649 -0.46312 2015 1 20 57042 -0.0383 0.2670 -0.46412 2015 1 21 57043 -0.0397 0.2691 -0.46533 2015 1 22 57044 -0.0410 0.2712 -0.46675 2015 1 23 57045 -0.0424 0.2734 -0.46836 2015 1 24 57046 -0.0437 0.2755 -0.47010 2015 1 25 57047 -0.0449 0.2777 -0.47187 2015 1 26 57048 -0.0462 0.2799 -0.47360 2015 1 27 57049 -0.0474 0.2822 -0.47524 2015 1 28 57050 -0.0485 0.2844 -0.47670 2015 1 29 57051 -0.0496 0.2867 -0.47801 2015 1 30 57052 -0.0507 0.2890 -0.47918 2015 1 31 57053 -0.0517 0.2913 -0.48031 2015 2 1 57054 -0.0527 0.2936 -0.48138 2015 2 2 57055 -0.0537 0.2960 -0.48241 2015 2 3 57056 -0.0546 0.2984 -0.48350 2015 2 4 57057 -0.0555 0.3007 -0.48460 2015 2 5 57058 -0.0563 0.3031 -0.48577 2015 2 6 57059 -0.0571 0.3055 -0.48701 2015 2 7 57060 -0.0578 0.3079 -0.48828 2015 2 8 57061 -0.0585 0.3104 -0.48955 2015 2 9 57062 -0.0592 0.3128 -0.49082 2015 2 10 57063 -0.0598 0.3153 -0.49207 2015 2 11 57064 -0.0604 0.3177 -0.49322 2015 2 12 57065 -0.0609 0.3202 -0.49431 2015 2 13 57066 -0.0614 0.3227 -0.49537 2015 2 14 57067 -0.0619 0.3252 -0.49641 2015 2 15 57068 -0.0623 0.3277 -0.49743 2015 2 16 57069 -0.0626 0.3302 -0.49849 2015 2 17 57070 -0.0630 0.3327 -0.49967 2015 2 18 57071 -0.0632 0.3353 -0.50099 2015 2 19 57072 -0.0635 0.3378 -0.50249 2015 2 20 57073 -0.0637 0.3403 -0.50414 2015 2 21 57074 -0.0638 0.3429 -0.50597 2015 2 22 57075 -0.0639 0.3454 -0.50778 2015 2 23 57076 -0.0640 0.3480 -0.50954 2015 2 24 57077 -0.0640 0.3505 -0.51122 2015 2 25 57078 -0.0639 0.3531 -0.51281 2015 2 26 57079 -0.0639 0.3556 -0.51432 2015 2 27 57080 -0.0637 0.3582 -0.51576 2015 2 28 57081 -0.0636 0.3607 -0.51711 2015 3 1 57082 -0.0633 0.3633 -0.51844 2015 3 2 57083 -0.0631 0.3658 -0.51983 2015 3 3 57084 -0.0628 0.3684 -0.52130 2015 3 4 57085 -0.0624 0.3709 -0.52287 2015 3 5 57086 -0.0620 0.3735 -0.52452 2015 3 6 57087 -0.0616 0.3760 -0.52621 2015 3 7 57088 -0.0611 0.3786 -0.52793 2015 3 8 57089 -0.0606 0.3811 -0.52966 2015 3 9 57090 -0.0600 0.3836 -0.53137 2015 3 10 57091 -0.0594 0.3861 -0.53304 2015 3 11 57092 -0.0587 0.3886 -0.53467 2015 3 12 57093 -0.0580 0.3911 -0.53627 2015 3 13 57094 -0.0573 0.3936 -0.53784 2015 3 14 57095 -0.0565 0.3961 -0.53938 2015 3 15 57096 -0.0556 0.3986 -0.54100 2015 3 16 57097 -0.0548 0.4010 -0.54274 2015 3 17 57098 -0.0538 0.4035 -0.54459 2015 3 18 57099 -0.0529 0.4059 -0.54661 2015 3 19 57100 -0.0519 0.4083 -0.54881 2015 3 20 57101 -0.0508 0.4107 -0.55110 2015 3 21 57102 -0.0497 0.4131 -0.55341 2015 3 22 57103 -0.0486 0.4155 -0.55561 2015 3 23 57104 -0.0474 0.4178 -0.55765 2015 3 24 57105 -0.0461 0.4202 -0.55951 2015 3 25 57106 -0.0449 0.4225 -0.56119 2015 3 26 57107 -0.0436 0.4248 -0.56273 2015 3 27 57108 -0.0422 0.4271 -0.56421 2015 3 28 57109 -0.0408 0.4294 -0.56565 2015 3 29 57110 -0.0394 0.4316 -0.56706 2015 3 30 57111 -0.0379 0.4338 -0.56848 2015 3 31 57112 -0.0364 0.4360 -0.56992 2015 4 1 57113 -0.0348 0.4382 -0.57141 2015 4 2 57114 -0.0333 0.4404 -0.57300 2015 4 3 57115 -0.0316 0.4425 -0.57462 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) 56731 -79.78 0.10 -12.09 0.04 56732 -79.78 0.12 -12.18 0.03 56733 -79.82 0.12 -12.26 0.03 56734 -79.95 0.12 -12.30 0.15 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 56690 -81.3 -9.5 56691 -81.3 -9.6 56692 -81.6 -9.6 56693 -81.8 -9.7 56694 -81.7 -9.8 56695 -81.3 -10.1 56696 -81.2 -10.3 56697 -81.4 -10.4 56698 -81.7 -10.4 56699 -81.7 -10.3 56700 -81.3 -10.4 56701 -80.8 -10.4 56702 -80.4 -10.5 56703 -80.3 -10.6 56704 -80.3 -10.7 56705 -80.3 -10.9 56706 -80.5 -11.0 56707 -80.5 -11.0 56708 -80.5 -10.9 56709 -80.5 -11.0 56710 -80.7 -11.0 56711 -80.8 -11.0 56712 -80.8 -11.1 56713 -80.9 -11.2 56714 -81.1 -11.4 56715 -81.3 -11.4 56716 -81.4 -11.2 56717 -81.2 -10.9 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56731 0.272 0.040 0.068 0.040 56732 0.241 0.048 0.060 0.030 56733 0.203 0.048 0.067 0.030 56734 0.163 0.048 0.074 0.150 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 56690 0.16 0.03 56691 0.09 0.02 56692 0.03 0.08 56693 0.06 0.03 56694 0.15 0.10 56695 0.26 0.07 56696 0.27 0.10 56697 0.22 0.10 56698 0.15 0.10 56699 0.12 0.20 56700 0.18 0.10 56701 0.28 0.09 56702 0.36 -0.02 56703 0.34 -0.04 56704 0.29 0.03 56705 0.24 0.01 56706 0.15 -0.02 56707 0.17 -0.06 56708 0.21 -0.01 56709 0.29 -0.11 56710 0.29 -0.06 56711 0.31 0.00 56712 0.33 0.01 56713 0.31 0.09 56714 0.28 0.05 56715 0.25 0.00 56716 0.23 -0.06 56717 0.25 0.01 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).