********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 13 February 2014 Vol. XXVII No. 007 ______________________________________________________________________ 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 = -0.1 seconds beginning 21 Nov 2013 at 0000 UTC = -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 2 7 56695 0.02453 .00009 0.35527 .00009 -0.136537 0.000016 14 2 8 56696 0.02449 .00009 0.35672 .00009 -0.137220 0.000017 14 2 9 56697 0.02439 .00009 0.35821 .00009 -0.137812 0.000015 14 2 10 56698 0.02422 .00009 0.35985 .00009 -0.138371 0.000011 14 2 11 56699 0.02398 .00009 0.36177 .00010 -0.138976 0.000010 14 2 12 56700 0.02352 .00009 0.36372 .00009 -0.139663 0.000007 14 2 13 56701 0.02282 .00009 0.36542 .00009 -0.140463 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 = 0.0907 - 0.1075 cos A - 0.0028 sin A + 0.0329 cos C + 0.0277 sin C y = 0.3471 - 0.0081 cos A + 0.0995 sin A + 0.0277 cos C - 0.0329 sin C UT1-UTC = -0.1458 - 0.00103 (MJD - 56709) - (UT2-UT1) where A = 2*pi*(MJD-56701)/365.25 and C = 2*pi*(MJD-56701)/435. TAI-UTC(MJD 56702) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56701)**0.80 S t = 0.00025 (MJD-56701)**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 2 14 56702 0.0224 0.3668 -0.14137 2014 2 15 56703 0.0219 0.3682 -0.14241 2014 2 16 56704 0.0216 0.3694 -0.14356 2014 2 17 56705 0.0215 0.3706 -0.14482 2014 2 18 56706 0.0215 0.3719 -0.14614 2014 2 19 56707 0.0216 0.3732 -0.14747 2014 2 20 56708 0.0218 0.3745 -0.14876 2014 2 21 56709 0.0219 0.3758 -0.14999 2014 2 22 56710 0.0221 0.3771 -0.15116 2014 2 23 56711 0.0223 0.3785 -0.15230 2014 2 24 56712 0.0226 0.3798 -0.15343 2014 2 25 56713 0.0228 0.3811 -0.15459 2014 2 26 56714 0.0232 0.3824 -0.15585 2014 2 27 56715 0.0236 0.3837 -0.15723 2014 2 28 56716 0.0240 0.3850 -0.15876 2014 3 1 56717 0.0245 0.3863 -0.16040 2014 3 2 56718 0.0250 0.3876 -0.16209 2014 3 3 56719 0.0255 0.3890 -0.16377 2014 3 4 56720 0.0260 0.3903 -0.16535 2014 3 5 56721 0.0266 0.3915 -0.16681 2014 3 6 56722 0.0272 0.3928 -0.16811 2014 3 7 56723 0.0278 0.3941 -0.16929 2014 3 8 56724 0.0285 0.3953 -0.17038 2014 3 9 56725 0.0292 0.3965 -0.17142 2014 3 10 56726 0.0299 0.3977 -0.17246 2014 3 11 56727 0.0307 0.3989 -0.17354 2014 3 12 56728 0.0315 0.4001 -0.17467 2014 3 13 56729 0.0323 0.4013 -0.17590 2014 3 14 56730 0.0331 0.4025 -0.17722 2014 3 15 56731 0.0340 0.4037 -0.17864 2014 3 16 56732 0.0349 0.4048 -0.18015 2014 3 17 56733 0.0358 0.4060 -0.18173 2014 3 18 56734 0.0368 0.4071 -0.18335 2014 3 19 56735 0.0377 0.4082 -0.18495 2014 3 20 56736 0.0388 0.4093 -0.18653 2014 3 21 56737 0.0398 0.4104 -0.18805 2014 3 22 56738 0.0408 0.4114 -0.18951 2014 3 23 56739 0.0419 0.4125 -0.19093 2014 3 24 56740 0.0430 0.4135 -0.19237 2014 3 25 56741 0.0442 0.4145 -0.19388 2014 3 26 56742 0.0453 0.4155 -0.19550 2014 3 27 56743 0.0465 0.4165 -0.19727 2014 3 28 56744 0.0477 0.4175 -0.19919 2014 3 29 56745 0.0489 0.4184 -0.20122 2014 3 30 56746 0.0502 0.4194 -0.20326 2014 3 31 56747 0.0515 0.4203 -0.20525 2014 4 1 56748 0.0527 0.4212 -0.20710 2014 4 2 56749 0.0541 0.4220 -0.20878 2014 4 3 56750 0.0554 0.4229 -0.21030 2014 4 4 56751 0.0568 0.4237 -0.21167 2014 4 5 56752 0.0581 0.4246 -0.21295 2014 4 6 56753 0.0595 0.4254 -0.21416 2014 4 7 56754 0.0610 0.4261 -0.21537 2014 4 8 56755 0.0624 0.4269 -0.21660 2014 4 9 56756 0.0639 0.4276 -0.21790 2014 4 10 56757 0.0653 0.4283 -0.21928 2014 4 11 56758 0.0668 0.4290 -0.22075 2014 4 12 56759 0.0684 0.4297 -0.22231 2014 4 13 56760 0.0699 0.4304 -0.22392 2014 4 14 56761 0.0714 0.4310 -0.22555 2014 4 15 56762 0.0730 0.4316 -0.22718 2014 4 16 56763 0.0746 0.4322 -0.22875 2014 4 17 56764 0.0762 0.4327 -0.23023 2014 4 18 56765 0.0778 0.4333 -0.23162 2014 4 19 56766 0.0794 0.4338 -0.23293 2014 4 20 56767 0.0811 0.4343 -0.23421 2014 4 21 56768 0.0827 0.4347 -0.23551 2014 4 22 56769 0.0844 0.4352 -0.23690 2014 4 23 56770 0.0861 0.4356 -0.23840 2014 4 24 56771 0.0878 0.4360 -0.24002 2014 4 25 56772 0.0895 0.4363 -0.24173 2014 4 26 56773 0.0912 0.4367 -0.24348 2014 4 27 56774 0.0930 0.4370 -0.24519 2014 4 28 56775 0.0947 0.4373 -0.24680 2014 4 29 56776 0.0965 0.4375 -0.24826 2014 4 30 56777 0.0982 0.4377 -0.24954 2014 5 1 56778 0.1000 0.4380 -0.25067 2014 5 2 56779 0.1018 0.4381 -0.25167 2014 5 3 56780 0.1036 0.4383 -0.25259 2014 5 4 56781 0.1054 0.4384 -0.25346 2014 5 5 56782 0.1072 0.4385 -0.25434 2014 5 6 56783 0.1090 0.4386 -0.25526 2014 5 7 56784 0.1108 0.4386 -0.25624 2014 5 8 56785 0.1127 0.4386 -0.25730 2014 5 9 56786 0.1145 0.4386 -0.25844 2014 5 10 56787 0.1163 0.4386 -0.25964 2014 5 11 56788 0.1182 0.4385 -0.26088 2014 5 12 56789 0.1200 0.4384 -0.26212 2014 5 13 56790 0.1219 0.4383 -0.26332 2014 5 14 56791 0.1237 0.4382 -0.26445 2014 5 15 56792 0.1256 0.4380 -0.26548 2014 5 16 56793 0.1275 0.4378 -0.26643 2014 5 17 56794 0.1293 0.4375 -0.26733 2014 5 18 56795 0.1312 0.4373 -0.26822 2014 5 19 56796 0.1330 0.4370 -0.26918 2014 5 20 56797 0.1349 0.4367 -0.27023 2014 5 21 56798 0.1368 0.4363 -0.27138 2014 5 22 56799 0.1386 0.4359 -0.27262 2014 5 23 56800 0.1405 0.4355 -0.27388 2014 5 24 56801 0.1423 0.4351 -0.27510 2014 5 25 56802 0.1442 0.4346 -0.27624 2014 5 26 56803 0.1460 0.4341 -0.27725 2014 5 27 56804 0.1479 0.4336 -0.27809 2014 5 28 56805 0.1497 0.4331 -0.27877 2014 5 29 56806 0.1515 0.4325 -0.27932 2014 5 30 56807 0.1534 0.4319 -0.27977 2014 5 31 56808 0.1552 0.4312 -0.28017 2014 6 1 56809 0.1570 0.4306 -0.28055 2014 6 2 56810 0.1588 0.4299 -0.28095 2014 6 3 56811 0.1606 0.4292 -0.28140 2014 6 4 56812 0.1624 0.4284 -0.28192 2014 6 5 56813 0.1642 0.4276 -0.28251 2014 6 6 56814 0.1659 0.4268 -0.28316 2014 6 7 56815 0.1677 0.4260 -0.28385 2014 6 8 56816 0.1694 0.4251 -0.28456 2014 6 9 56817 0.1712 0.4243 -0.28525 2014 6 10 56818 0.1729 0.4233 -0.28588 2014 6 11 56819 0.1746 0.4224 -0.28644 2014 6 12 56820 0.1763 0.4214 -0.28692 2014 6 13 56821 0.1780 0.4204 -0.28734 2014 6 14 56822 0.1796 0.4194 -0.28776 2014 6 15 56823 0.1813 0.4184 -0.28822 2014 6 16 56824 0.1829 0.4173 -0.28879 2014 6 17 56825 0.1846 0.4162 -0.28948 2014 6 18 56826 0.1862 0.4151 -0.29025 2014 6 19 56827 0.1878 0.4139 -0.29106 2014 6 20 56828 0.1893 0.4127 -0.29185 2014 6 21 56829 0.1909 0.4115 -0.29254 2014 6 22 56830 0.1924 0.4103 -0.29309 2014 6 23 56831 0.1939 0.4091 -0.29349 2014 6 24 56832 0.1954 0.4078 -0.29373 2014 6 25 56833 0.1969 0.4065 -0.29383 2014 6 26 56834 0.1984 0.4052 -0.29383 2014 6 27 56835 0.1998 0.4038 -0.29377 2014 6 28 56836 0.2012 0.4025 -0.29371 2014 6 29 56837 0.2026 0.4011 -0.29366 2014 6 30 56838 0.2040 0.3996 -0.29366 2014 7 1 56839 0.2053 0.3982 -0.29373 2014 7 2 56840 0.2066 0.3968 -0.29388 2014 7 3 56841 0.2079 0.3953 -0.29409 2014 7 4 56842 0.2092 0.3938 -0.29436 2014 7 5 56843 0.2105 0.3922 -0.29465 2014 7 6 56844 0.2117 0.3907 -0.29493 2014 7 7 56845 0.2129 0.3891 -0.29519 2014 7 8 56846 0.2141 0.3876 -0.29540 2014 7 9 56847 0.2152 0.3860 -0.29554 2014 7 10 56848 0.2163 0.3843 -0.29564 2014 7 11 56849 0.2174 0.3827 -0.29573 2014 7 12 56850 0.2185 0.3810 -0.29588 2014 7 13 56851 0.2195 0.3794 -0.29613 2014 7 14 56852 0.2205 0.3777 -0.29654 2014 7 15 56853 0.2215 0.3760 -0.29708 2014 7 16 56854 0.2225 0.3742 -0.29771 2014 7 17 56855 0.2234 0.3725 -0.29835 2014 7 18 56856 0.2243 0.3707 -0.29891 2014 7 19 56857 0.2251 0.3689 -0.29934 2014 7 20 56858 0.2259 0.3672 -0.29961 2014 7 21 56859 0.2267 0.3654 -0.29972 2014 7 22 56860 0.2275 0.3635 -0.29970 2014 7 23 56861 0.2282 0.3617 -0.29957 2014 7 24 56862 0.2289 0.3599 -0.29939 2014 7 25 56863 0.2296 0.3580 -0.29919 2014 7 26 56864 0.2303 0.3561 -0.29902 2014 7 27 56865 0.2309 0.3543 -0.29891 2014 7 28 56866 0.2314 0.3524 -0.29887 2014 7 29 56867 0.2320 0.3505 -0.29892 2014 7 30 56868 0.2325 0.3486 -0.29905 2014 7 31 56869 0.2329 0.3466 -0.29925 2014 8 1 56870 0.2334 0.3447 -0.29949 2014 8 2 56871 0.2338 0.3428 -0.29974 2014 8 3 56872 0.2342 0.3408 -0.29998 2014 8 4 56873 0.2345 0.3389 -0.30019 2014 8 5 56874 0.2348 0.3369 -0.30034 2014 8 6 56875 0.2350 0.3349 -0.30046 2014 8 7 56876 0.2353 0.3330 -0.30056 2014 8 8 56877 0.2355 0.3310 -0.30072 2014 8 9 56878 0.2356 0.3290 -0.30097 2014 8 10 56879 0.2357 0.3270 -0.30139 2014 8 11 56880 0.2358 0.3250 -0.30199 2014 8 12 56881 0.2359 0.3230 -0.30273 2014 8 13 56882 0.2359 0.3210 -0.30353 2014 8 14 56883 0.2359 0.3190 -0.30430 2014 8 15 56884 0.2358 0.3170 -0.30496 2014 8 16 56885 0.2357 0.3150 -0.30544 2014 8 17 56886 0.2356 0.3130 -0.30574 2014 8 18 56887 0.2354 0.3110 -0.30587 2014 8 19 56888 0.2352 0.3090 -0.30587 2014 8 20 56889 0.2349 0.3070 -0.30579 2014 8 21 56890 0.2347 0.3050 -0.30568 2014 8 22 56891 0.2343 0.3030 -0.30560 2014 8 23 56892 0.2340 0.3010 -0.30558 2014 8 24 56893 0.2336 0.2990 -0.30568 2014 8 25 56894 0.2332 0.2970 -0.30589 2014 8 26 56895 0.2327 0.2951 -0.30623 2014 8 27 56896 0.2322 0.2931 -0.30668 2014 8 28 56897 0.2317 0.2911 -0.30722 2014 8 29 56898 0.2311 0.2892 -0.30781 2014 8 30 56899 0.2305 0.2872 -0.30842 2014 8 31 56900 0.2298 0.2852 -0.30901 2014 9 1 56901 0.2291 0.2833 -0.30959 2014 9 2 56902 0.2284 0.2814 -0.31014 2014 9 3 56903 0.2277 0.2794 -0.31069 2014 9 4 56904 0.2269 0.2775 -0.31129 2014 9 5 56905 0.2260 0.2756 -0.31199 2014 9 6 56906 0.2252 0.2737 -0.31285 2014 9 7 56907 0.2243 0.2718 -0.31392 2014 9 8 56908 0.2233 0.2700 -0.31519 2014 9 9 56909 0.2223 0.2681 -0.31662 2014 9 10 56910 0.2213 0.2663 -0.31813 2014 9 11 56911 0.2203 0.2644 -0.31961 2014 9 12 56912 0.2192 0.2626 -0.32097 2014 9 13 56913 0.2181 0.2608 -0.32218 2014 9 14 56914 0.2169 0.2590 -0.32324 2014 9 15 56915 0.2158 0.2573 -0.32415 2014 9 16 56916 0.2145 0.2555 -0.32498 2014 9 17 56917 0.2133 0.2538 -0.32574 2014 9 18 56918 0.2120 0.2520 -0.32650 2014 9 19 56919 0.2107 0.2503 -0.32728 2014 9 20 56920 0.2093 0.2486 -0.32812 2014 9 21 56921 0.2080 0.2470 -0.32904 2014 9 22 56922 0.2065 0.2453 -0.33005 2014 9 23 56923 0.2051 0.2437 -0.33116 2014 9 24 56924 0.2036 0.2421 -0.33236 2014 9 25 56925 0.2021 0.2405 -0.33363 2014 9 26 56926 0.2006 0.2389 -0.33494 2014 9 27 56927 0.1990 0.2374 -0.33625 2014 9 28 56928 0.1974 0.2359 -0.33747 2014 9 29 56929 0.1957 0.2344 -0.33863 2014 9 30 56930 0.1941 0.2329 -0.33971 2014 10 1 56931 0.1924 0.2315 -0.34075 2014 10 2 56932 0.1907 0.2300 -0.34186 2014 10 3 56933 0.1889 0.2286 -0.34308 2014 10 4 56934 0.1871 0.2273 -0.34448 2014 10 5 56935 0.1853 0.2259 -0.34602 2014 10 6 56936 0.1835 0.2246 -0.34769 2014 10 7 56937 0.1816 0.2233 -0.34944 2014 10 8 56938 0.1797 0.2220 -0.35114 2014 10 9 56939 0.1778 0.2208 -0.35274 2014 10 10 56940 0.1759 0.2196 -0.35419 2014 10 11 56941 0.1739 0.2184 -0.35545 2014 10 12 56942 0.1719 0.2172 -0.35656 2014 10 13 56943 0.1699 0.2161 -0.35759 2014 10 14 56944 0.1679 0.2150 -0.35858 2014 10 15 56945 0.1658 0.2139 -0.35960 2014 10 16 56946 0.1638 0.2129 -0.36069 2014 10 17 56947 0.1617 0.2119 -0.36189 2014 10 18 56948 0.1595 0.2109 -0.36320 2014 10 19 56949 0.1574 0.2099 -0.36465 2014 10 20 56950 0.1552 0.2090 -0.36622 2014 10 21 56951 0.1530 0.2081 -0.36789 2014 10 22 56952 0.1508 0.2073 -0.36959 2014 10 23 56953 0.1486 0.2065 -0.37129 2014 10 24 56954 0.1464 0.2057 -0.37295 2014 10 25 56955 0.1441 0.2049 -0.37459 2014 10 26 56956 0.1418 0.2042 -0.37613 2014 10 27 56957 0.1395 0.2035 -0.37756 2014 10 28 56958 0.1372 0.2029 -0.37896 2014 10 29 56959 0.1349 0.2023 -0.38033 2014 10 30 56960 0.1326 0.2017 -0.38176 2014 10 31 56961 0.1302 0.2011 -0.38330 2014 11 1 56962 0.1279 0.2006 -0.38497 2014 11 2 56963 0.1255 0.2001 -0.38673 2014 11 3 56964 0.1231 0.1997 -0.38859 2014 11 4 56965 0.1207 0.1993 -0.39047 2014 11 5 56966 0.1183 0.1989 -0.39224 2014 11 6 56967 0.1158 0.1986 -0.39388 2014 11 7 56968 0.1134 0.1983 -0.39538 2014 11 8 56969 0.1110 0.1980 -0.39671 2014 11 9 56970 0.1085 0.1978 -0.39785 2014 11 10 56971 0.1061 0.1976 -0.39885 2014 11 11 56972 0.1036 0.1975 -0.39978 2014 11 12 56973 0.1011 0.1974 -0.40066 2014 11 13 56974 0.0987 0.1973 -0.40156 2014 11 14 56975 0.0962 0.1972 -0.40251 2014 11 15 56976 0.0937 0.1972 -0.40366 2014 11 16 56977 0.0912 0.1973 -0.40491 2014 11 17 56978 0.0887 0.1973 -0.40627 2014 11 18 56979 0.0862 0.1975 -0.40777 2014 11 19 56980 0.0837 0.1976 -0.40935 2014 11 20 56981 0.0812 0.1978 -0.41098 2014 11 21 56982 0.0787 0.1980 -0.41259 2014 11 22 56983 0.0762 0.1983 -0.41410 2014 11 23 56984 0.0737 0.1986 -0.41552 2014 11 24 56985 0.0713 0.1989 -0.41691 2014 11 25 56986 0.0688 0.1993 -0.41831 2014 11 26 56987 0.0663 0.1997 -0.41979 2014 11 27 56988 0.0638 0.2002 -0.42136 2014 11 28 56989 0.0613 0.2007 -0.42304 2014 11 29 56990 0.0588 0.2012 -0.42481 2014 11 30 56991 0.0564 0.2017 -0.42666 2014 12 1 56992 0.0539 0.2024 -0.42854 2014 12 2 56993 0.0515 0.2030 -0.43036 2014 12 3 56994 0.0490 0.2037 -0.43210 2014 12 4 56995 0.0466 0.2044 -0.43373 2014 12 5 56996 0.0442 0.2051 -0.43521 2014 12 6 56997 0.0417 0.2059 -0.43651 2014 12 7 56998 0.0393 0.2068 -0.43773 2014 12 8 56999 0.0370 0.2076 -0.43892 2014 12 9 57000 0.0346 0.2085 -0.44002 2014 12 10 57001 0.0322 0.2095 -0.44111 2014 12 11 57002 0.0298 0.2104 -0.44225 2014 12 12 57003 0.0275 0.2115 -0.44340 2014 12 13 57004 0.0252 0.2125 -0.44462 2014 12 14 57005 0.0229 0.2136 -0.44586 2014 12 15 57006 0.0206 0.2147 -0.44714 2014 12 16 57007 0.0183 0.2159 -0.44843 2014 12 17 57008 0.0160 0.2171 -0.44971 2014 12 18 57009 0.0138 0.2183 -0.45096 2014 12 19 57010 0.0116 0.2195 -0.45217 2014 12 20 57011 0.0094 0.2208 -0.45332 2014 12 21 57012 0.0072 0.2222 -0.45439 2014 12 22 57013 0.0050 0.2235 -0.45541 2014 12 23 57014 0.0029 0.2249 -0.45644 2014 12 24 57015 0.0008 0.2264 -0.45754 2014 12 25 57016 -0.0013 0.2278 -0.45881 2014 12 26 57017 -0.0034 0.2293 -0.46020 2014 12 27 57018 -0.0054 0.2308 -0.46166 2014 12 28 57019 -0.0075 0.2324 -0.46317 2014 12 29 57020 -0.0095 0.2340 -0.46470 2014 12 30 57021 -0.0114 0.2356 -0.46609 2014 12 31 57022 -0.0134 0.2373 -0.46731 2015 1 1 57023 -0.0153 0.2390 -0.46838 2015 1 2 57024 -0.0172 0.2407 -0.46931 2015 1 3 57025 -0.0190 0.2424 -0.47014 2015 1 4 57026 -0.0209 0.2442 -0.47092 2015 1 5 57027 -0.0227 0.2460 -0.47170 2015 1 6 57028 -0.0245 0.2478 -0.47250 2015 1 7 57029 -0.0262 0.2497 -0.47336 2015 1 8 57030 -0.0279 0.2516 -0.47431 2015 1 9 57031 -0.0296 0.2535 -0.47536 2015 1 10 57032 -0.0312 0.2555 -0.47643 2015 1 11 57033 -0.0329 0.2574 -0.47758 2015 1 12 57034 -0.0344 0.2594 -0.47881 2015 1 13 57035 -0.0360 0.2614 -0.48004 2015 1 14 57036 -0.0375 0.2635 -0.48127 2015 1 15 57037 -0.0390 0.2656 -0.48244 2015 1 16 57038 -0.0404 0.2677 -0.48356 2015 1 17 57039 -0.0419 0.2698 -0.48459 2015 1 18 57040 -0.0432 0.2719 -0.48559 2015 1 19 57041 -0.0446 0.2741 -0.48656 2015 1 20 57042 -0.0459 0.2763 -0.48758 2015 1 21 57043 -0.0471 0.2785 -0.48874 2015 1 22 57044 -0.0484 0.2807 -0.49008 2015 1 23 57045 -0.0496 0.2830 -0.49154 2015 1 24 57046 -0.0507 0.2852 -0.49309 2015 1 25 57047 -0.0518 0.2875 -0.49470 2015 1 26 57048 -0.0529 0.2898 -0.49623 2015 1 27 57049 -0.0539 0.2921 -0.49767 2015 1 28 57050 -0.0549 0.2945 -0.49896 2015 1 29 57051 -0.0559 0.2968 -0.50012 2015 1 30 57052 -0.0568 0.2992 -0.50114 2015 1 31 57053 -0.0577 0.3016 -0.50208 2015 2 1 57054 -0.0585 0.3040 -0.50300 2015 2 2 57055 -0.0593 0.3064 -0.50393 2015 2 3 57056 -0.0600 0.3089 -0.50488 2015 2 4 57057 -0.0607 0.3113 -0.50596 2015 2 5 57058 -0.0614 0.3138 -0.50716 2015 2 6 57059 -0.0620 0.3163 -0.50846 2015 2 7 57060 -0.0626 0.3187 -0.50986 2015 2 8 57061 -0.0631 0.3212 -0.51130 2015 2 9 57062 -0.0636 0.3237 -0.51276 2015 2 10 57063 -0.0641 0.3263 -0.51416 2015 2 11 57064 -0.0645 0.3288 -0.51544 2015 2 12 57065 -0.0648 0.3313 -0.51665 2015 2 13 57066 -0.0652 0.3338 -0.51785 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) 56675 -80.69 0.30 -9.37 0.04 56676 -80.67 0.30 -9.54 0.04 56677 -80.64 0.15 -9.66 0.04 56678 -80.53 0.23 -9.63 0.04 56679 -80.39 0.12 -9.53 0.02 56680 -80.37 0.12 -9.50 0.02 56681 -80.53 0.12 -9.54 0.02 56682 -80.78 0.12 -9.56 0.02 56683 -81.00 0.30 -9.54 0.15 56684 -81.20 0.11 -9.61 0.04 56685 -81.47 0.29 -9.84 0.11 56686 -81.82 0.29 -10.07 0.11 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56675 0.176 0.119 0.100 0.040 56676 0.156 0.119 0.101 0.040 56677 0.134 0.060 0.107 0.040 56678 0.123 0.091 0.123 0.040 56679 0.140 0.048 0.123 0.020 56680 0.196 0.048 0.093 0.020 56681 0.276 0.048 0.069 0.020 56682 0.331 0.048 0.051 0.020 56683 0.334 0.119 0.025 0.150 56684 0.297 0.044 -0.016 0.040 56685 0.235 0.115 -0.035 0.110 56686 0.147 0.115 -0.022 0.110 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).