********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 27 February 2014 Vol. XXVII No. 009 ______________________________________________________________________ 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 2 21 56709 0.02034 .00009 0.37735 .00009 -0.150338 0.000012 14 2 22 56710 0.02056 .00009 0.37856 .00009 -0.151533 0.000012 14 2 23 56711 0.02068 .00010 0.37992 .00009 -0.152668 0.000011 14 2 24 56712 0.02040 .00010 0.38136 .00010 -0.153816 0.000014 14 2 25 56713 0.01960 .00009 0.38268 .00009 -0.155055 0.000014 14 2 26 56714 0.01889 .00009 0.38357 .00009 -0.156403 0.000014 14 2 27 56715 0.01871 .00010 0.38416 .00009 -0.157942 0.000014 _______________________________________________________________________ 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 = 0.0851 - 0.1062 cos A + 0.0184 sin A + 0.0353 cos C + 0.0245 sin C y = 0.3508 + 0.0119 cos A + 0.0983 sin A + 0.0245 cos C - 0.0353 sin C UT1-UTC = -0.1617 - 0.00102 (MJD - 56723) - (UT2-UT1) where A = 2*pi*(MJD-56715)/365.25 and C = 2*pi*(MJD-56715)/435. TAI-UTC(MJD 56716) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56715)**0.80 S t = 0.00025 (MJD-56715)**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 28 56716 0.0189 0.3849 -0.15971 2014 3 1 56717 0.0192 0.3857 -0.16161 2014 3 2 56718 0.0197 0.3867 -0.16356 2014 3 3 56719 0.0203 0.3878 -0.16546 2014 3 4 56720 0.0209 0.3890 -0.16726 2014 3 5 56721 0.0214 0.3903 -0.16889 2014 3 6 56722 0.0219 0.3916 -0.17035 2014 3 7 56723 0.0224 0.3928 -0.17166 2014 3 8 56724 0.0229 0.3940 -0.17285 2014 3 9 56725 0.0234 0.3952 -0.17397 2014 3 10 56726 0.0240 0.3963 -0.17508 2014 3 11 56727 0.0247 0.3975 -0.17623 2014 3 12 56728 0.0254 0.3987 -0.17744 2014 3 13 56729 0.0262 0.4000 -0.17872 2014 3 14 56730 0.0269 0.4012 -0.18009 2014 3 15 56731 0.0277 0.4024 -0.18155 2014 3 16 56732 0.0285 0.4037 -0.18310 2014 3 17 56733 0.0293 0.4048 -0.18472 2014 3 18 56734 0.0302 0.4060 -0.18635 2014 3 19 56735 0.0311 0.4072 -0.18795 2014 3 20 56736 0.0320 0.4083 -0.18947 2014 3 21 56737 0.0330 0.4095 -0.19089 2014 3 22 56738 0.0340 0.4106 -0.19221 2014 3 23 56739 0.0351 0.4117 -0.19347 2014 3 24 56740 0.0361 0.4129 -0.19472 2014 3 25 56741 0.0372 0.4140 -0.19604 2014 3 26 56742 0.0383 0.4151 -0.19749 2014 3 27 56743 0.0394 0.4161 -0.19911 2014 3 28 56744 0.0406 0.4172 -0.20089 2014 3 29 56745 0.0418 0.4182 -0.20280 2014 3 30 56746 0.0430 0.4193 -0.20475 2014 3 31 56747 0.0442 0.4203 -0.20667 2014 4 1 56748 0.0455 0.4213 -0.20846 2014 4 2 56749 0.0468 0.4222 -0.21009 2014 4 3 56750 0.0481 0.4232 -0.21156 2014 4 4 56751 0.0495 0.4241 -0.21287 2014 4 5 56752 0.0508 0.4251 -0.21409 2014 4 6 56753 0.0522 0.4260 -0.21524 2014 4 7 56754 0.0536 0.4268 -0.21639 2014 4 8 56755 0.0550 0.4277 -0.21757 2014 4 9 56756 0.0565 0.4285 -0.21882 2014 4 10 56757 0.0580 0.4294 -0.22018 2014 4 11 56758 0.0594 0.4301 -0.22164 2014 4 12 56759 0.0610 0.4309 -0.22321 2014 4 13 56760 0.0625 0.4317 -0.22485 2014 4 14 56761 0.0640 0.4324 -0.22653 2014 4 15 56762 0.0656 0.4331 -0.22820 2014 4 16 56763 0.0672 0.4338 -0.22982 2014 4 17 56764 0.0688 0.4345 -0.23135 2014 4 18 56765 0.0704 0.4351 -0.23278 2014 4 19 56766 0.0721 0.4357 -0.23414 2014 4 20 56767 0.0737 0.4363 -0.23546 2014 4 21 56768 0.0754 0.4369 -0.23680 2014 4 22 56769 0.0771 0.4374 -0.23823 2014 4 23 56770 0.0788 0.4379 -0.23977 2014 4 24 56771 0.0805 0.4384 -0.24143 2014 4 25 56772 0.0822 0.4389 -0.24318 2014 4 26 56773 0.0840 0.4393 -0.24498 2014 4 27 56774 0.0857 0.4397 -0.24675 2014 4 28 56775 0.0875 0.4401 -0.24842 2014 4 29 56776 0.0893 0.4404 -0.24993 2014 4 30 56777 0.0911 0.4408 -0.25127 2014 5 1 56778 0.0929 0.4411 -0.25246 2014 5 2 56779 0.0947 0.4413 -0.25351 2014 5 3 56780 0.0965 0.4416 -0.25448 2014 5 4 56781 0.0984 0.4418 -0.25540 2014 5 5 56782 0.1002 0.4420 -0.25631 2014 5 6 56783 0.1020 0.4422 -0.25726 2014 5 7 56784 0.1039 0.4423 -0.25827 2014 5 8 56785 0.1058 0.4424 -0.25935 2014 5 9 56786 0.1077 0.4425 -0.26051 2014 5 10 56787 0.1095 0.4425 -0.26172 2014 5 11 56788 0.1114 0.4426 -0.26297 2014 5 12 56789 0.1133 0.4425 -0.26422 2014 5 13 56790 0.1152 0.4425 -0.26544 2014 5 14 56791 0.1171 0.4424 -0.26658 2014 5 15 56792 0.1190 0.4424 -0.26762 2014 5 16 56793 0.1209 0.4422 -0.26856 2014 5 17 56794 0.1228 0.4421 -0.26945 2014 5 18 56795 0.1247 0.4419 -0.27034 2014 5 19 56796 0.1267 0.4417 -0.27128 2014 5 20 56797 0.1286 0.4414 -0.27232 2014 5 21 56798 0.1305 0.4412 -0.27346 2014 5 22 56799 0.1324 0.4409 -0.27468 2014 5 23 56800 0.1343 0.4405 -0.27592 2014 5 24 56801 0.1362 0.4402 -0.27712 2014 5 25 56802 0.1381 0.4398 -0.27824 2014 5 26 56803 0.1400 0.4394 -0.27921 2014 5 27 56804 0.1419 0.4389 -0.28002 2014 5 28 56805 0.1438 0.4385 -0.28067 2014 5 29 56806 0.1457 0.4379 -0.28119 2014 5 30 56807 0.1476 0.4374 -0.28161 2014 5 31 56808 0.1495 0.4368 -0.28197 2014 6 1 56809 0.1514 0.4362 -0.28233 2014 6 2 56810 0.1533 0.4356 -0.28271 2014 6 3 56811 0.1551 0.4350 -0.28313 2014 6 4 56812 0.1570 0.4343 -0.28363 2014 6 5 56813 0.1588 0.4336 -0.28419 2014 6 6 56814 0.1607 0.4328 -0.28482 2014 6 7 56815 0.1625 0.4321 -0.28549 2014 6 8 56816 0.1643 0.4313 -0.28617 2014 6 9 56817 0.1661 0.4304 -0.28683 2014 6 10 56818 0.1679 0.4296 -0.28744 2014 6 11 56819 0.1697 0.4287 -0.28798 2014 6 12 56820 0.1715 0.4278 -0.28844 2014 6 13 56821 0.1733 0.4268 -0.28884 2014 6 14 56822 0.1750 0.4259 -0.28922 2014 6 15 56823 0.1767 0.4249 -0.28967 2014 6 16 56824 0.1785 0.4239 -0.29021 2014 6 17 56825 0.1802 0.4228 -0.29087 2014 6 18 56826 0.1819 0.4217 -0.29161 2014 6 19 56827 0.1835 0.4206 -0.29239 2014 6 20 56828 0.1852 0.4195 -0.29314 2014 6 21 56829 0.1868 0.4183 -0.29380 2014 6 22 56830 0.1885 0.4172 -0.29432 2014 6 23 56831 0.1901 0.4160 -0.29467 2014 6 24 56832 0.1916 0.4147 -0.29488 2014 6 25 56833 0.1932 0.4135 -0.29494 2014 6 26 56834 0.1947 0.4122 -0.29490 2014 6 27 56835 0.1963 0.4109 -0.29481 2014 6 28 56836 0.1978 0.4095 -0.29470 2014 6 29 56837 0.1993 0.4082 -0.29462 2014 6 30 56838 0.2007 0.4068 -0.29459 2014 7 1 56839 0.2022 0.4054 -0.29463 2014 7 2 56840 0.2036 0.4040 -0.29474 2014 7 3 56841 0.2050 0.4025 -0.29492 2014 7 4 56842 0.2063 0.4010 -0.29516 2014 7 5 56843 0.2077 0.3995 -0.29543 2014 7 6 56844 0.2090 0.3980 -0.29569 2014 7 7 56845 0.2103 0.3965 -0.29593 2014 7 8 56846 0.2116 0.3949 -0.29611 2014 7 9 56847 0.2128 0.3933 -0.29624 2014 7 10 56848 0.2140 0.3917 -0.29632 2014 7 11 56849 0.2152 0.3901 -0.29639 2014 7 12 56850 0.2164 0.3885 -0.29651 2014 7 13 56851 0.2175 0.3868 -0.29675 2014 7 14 56852 0.2186 0.3851 -0.29714 2014 7 15 56853 0.2197 0.3834 -0.29767 2014 7 16 56854 0.2207 0.3817 -0.29828 2014 7 17 56855 0.2217 0.3800 -0.29890 2014 7 18 56856 0.2227 0.3782 -0.29944 2014 7 19 56857 0.2237 0.3765 -0.29986 2014 7 20 56858 0.2246 0.3747 -0.30011 2014 7 21 56859 0.2255 0.3729 -0.30021 2014 7 22 56860 0.2264 0.3711 -0.30017 2014 7 23 56861 0.2272 0.3692 -0.30003 2014 7 24 56862 0.2280 0.3674 -0.29983 2014 7 25 56863 0.2288 0.3655 -0.29963 2014 7 26 56864 0.2295 0.3636 -0.29945 2014 7 27 56865 0.2302 0.3618 -0.29933 2014 7 28 56866 0.2309 0.3599 -0.29929 2014 7 29 56867 0.2315 0.3579 -0.29933 2014 7 30 56868 0.2321 0.3560 -0.29946 2014 7 31 56869 0.2327 0.3541 -0.29966 2014 8 1 56870 0.2333 0.3522 -0.29990 2014 8 2 56871 0.2338 0.3502 -0.30015 2014 8 3 56872 0.2342 0.3482 -0.30039 2014 8 4 56873 0.2347 0.3463 -0.30060 2014 8 5 56874 0.2351 0.3443 -0.30077 2014 8 6 56875 0.2354 0.3423 -0.30090 2014 8 7 56876 0.2357 0.3403 -0.30102 2014 8 8 56877 0.2360 0.3383 -0.30120 2014 8 9 56878 0.2363 0.3363 -0.30148 2014 8 10 56879 0.2365 0.3343 -0.30194 2014 8 11 56880 0.2367 0.3323 -0.30258 2014 8 12 56881 0.2368 0.3302 -0.30337 2014 8 13 56882 0.2369 0.3282 -0.30424 2014 8 14 56883 0.2370 0.3262 -0.30509 2014 8 15 56884 0.2371 0.3241 -0.30583 2014 8 16 56885 0.2371 0.3221 -0.30642 2014 8 17 56886 0.2370 0.3201 -0.30685 2014 8 18 56887 0.2369 0.3180 -0.30712 2014 8 19 56888 0.2368 0.3160 -0.30729 2014 8 20 56889 0.2367 0.3140 -0.30738 2014 8 21 56890 0.2365 0.3119 -0.30746 2014 8 22 56891 0.2363 0.3099 -0.30755 2014 8 23 56892 0.2360 0.3078 -0.30770 2014 8 24 56893 0.2357 0.3058 -0.30792 2014 8 25 56894 0.2354 0.3038 -0.30824 2014 8 26 56895 0.2350 0.3017 -0.30864 2014 8 27 56896 0.2346 0.2997 -0.30910 2014 8 28 56897 0.2342 0.2977 -0.30961 2014 8 29 56898 0.2337 0.2957 -0.31013 2014 8 30 56899 0.2331 0.2937 -0.31063 2014 8 31 56900 0.2326 0.2917 -0.31108 2014 9 1 56901 0.2320 0.2897 -0.31147 2014 9 2 56902 0.2314 0.2877 -0.31179 2014 9 3 56903 0.2307 0.2857 -0.31207 2014 9 4 56904 0.2300 0.2837 -0.31238 2014 9 5 56905 0.2292 0.2818 -0.31276 2014 9 6 56906 0.2285 0.2798 -0.31330 2014 9 7 56907 0.2276 0.2779 -0.31404 2014 9 8 56908 0.2268 0.2760 -0.31500 2014 9 9 56909 0.2259 0.2740 -0.31614 2014 9 10 56910 0.2250 0.2721 -0.31736 2014 9 11 56911 0.2240 0.2702 -0.31856 2014 9 12 56912 0.2230 0.2683 -0.31966 2014 9 13 56913 0.2220 0.2665 -0.32062 2014 9 14 56914 0.2209 0.2646 -0.32144 2014 9 15 56915 0.2198 0.2628 -0.32214 2014 9 16 56916 0.2187 0.2610 -0.32276 2014 9 17 56917 0.2175 0.2592 -0.32337 2014 9 18 56918 0.2163 0.2574 -0.32399 2014 9 19 56919 0.2150 0.2556 -0.32467 2014 9 20 56920 0.2137 0.2538 -0.32544 2014 9 21 56921 0.2124 0.2521 -0.32631 2014 9 22 56922 0.2111 0.2504 -0.32728 2014 9 23 56923 0.2097 0.2487 -0.32835 2014 9 24 56924 0.2083 0.2470 -0.32949 2014 9 25 56925 0.2069 0.2453 -0.33068 2014 9 26 56926 0.2054 0.2437 -0.33189 2014 9 27 56927 0.2039 0.2421 -0.33308 2014 9 28 56928 0.2023 0.2405 -0.33421 2014 9 29 56929 0.2008 0.2389 -0.33526 2014 9 30 56930 0.1992 0.2373 -0.33628 2014 10 1 56931 0.1975 0.2358 -0.33730 2014 10 2 56932 0.1959 0.2343 -0.33840 2014 10 3 56933 0.1942 0.2328 -0.33962 2014 10 4 56934 0.1925 0.2313 -0.34102 2014 10 5 56935 0.1907 0.2299 -0.34262 2014 10 6 56936 0.1889 0.2285 -0.34442 2014 10 7 56937 0.1871 0.2271 -0.34636 2014 10 8 56938 0.1853 0.2258 -0.34831 2014 10 9 56939 0.1834 0.2244 -0.35017 2014 10 10 56940 0.1815 0.2231 -0.35189 2014 10 11 56941 0.1796 0.2219 -0.35347 2014 10 12 56942 0.1777 0.2206 -0.35490 2014 10 13 56943 0.1757 0.2194 -0.35618 2014 10 14 56944 0.1737 0.2182 -0.35739 2014 10 15 56945 0.1717 0.2170 -0.35856 2014 10 16 56946 0.1697 0.2159 -0.35972 2014 10 17 56947 0.1676 0.2148 -0.36093 2014 10 18 56948 0.1655 0.2137 -0.36217 2014 10 19 56949 0.1634 0.2127 -0.36350 2014 10 20 56950 0.1613 0.2117 -0.36490 2014 10 21 56951 0.1592 0.2107 -0.36637 2014 10 22 56952 0.1570 0.2098 -0.36791 2014 10 23 56953 0.1548 0.2089 -0.36949 2014 10 24 56954 0.1526 0.2080 -0.37108 2014 10 25 56955 0.1504 0.2071 -0.37264 2014 10 26 56956 0.1481 0.2063 -0.37409 2014 10 27 56957 0.1459 0.2056 -0.37548 2014 10 28 56958 0.1436 0.2048 -0.37679 2014 10 29 56959 0.1413 0.2041 -0.37808 2014 10 30 56960 0.1390 0.2034 -0.37945 2014 10 31 56961 0.1366 0.2028 -0.38094 2014 11 1 56962 0.1343 0.2022 -0.38259 2014 11 2 56963 0.1319 0.2016 -0.38435 2014 11 3 56964 0.1296 0.2011 -0.38617 2014 11 4 56965 0.1272 0.2006 -0.38800 2014 11 5 56966 0.1248 0.2001 -0.38974 2014 11 6 56967 0.1224 0.1997 -0.39133 2014 11 7 56968 0.1200 0.1993 -0.39277 2014 11 8 56969 0.1175 0.1989 -0.39402 2014 11 9 56970 0.1151 0.1986 -0.39514 2014 11 10 56971 0.1127 0.1983 -0.39620 2014 11 11 56972 0.1102 0.1981 -0.39724 2014 11 12 56973 0.1077 0.1979 -0.39833 2014 11 13 56974 0.1053 0.1977 -0.39949 2014 11 14 56975 0.1028 0.1976 -0.40076 2014 11 15 56976 0.1003 0.1975 -0.40214 2014 11 16 56977 0.0978 0.1974 -0.40363 2014 11 17 56978 0.0953 0.1974 -0.40523 2014 11 18 56979 0.0928 0.1974 -0.40690 2014 11 19 56980 0.0903 0.1975 -0.40857 2014 11 20 56981 0.0878 0.1976 -0.41022 2014 11 21 56982 0.0853 0.1977 -0.41180 2014 11 22 56983 0.0828 0.1979 -0.41335 2014 11 23 56984 0.0803 0.1981 -0.41480 2014 11 24 56985 0.0778 0.1983 -0.41614 2014 11 25 56986 0.0753 0.1986 -0.41748 2014 11 26 56987 0.0728 0.1989 -0.41882 2014 11 27 56988 0.0703 0.1993 -0.42024 2014 11 28 56989 0.0678 0.1997 -0.42178 2014 11 29 56990 0.0653 0.2001 -0.42341 2014 11 30 56991 0.0629 0.2006 -0.42508 2014 12 1 56992 0.0604 0.2011 -0.42677 2014 12 2 56993 0.0579 0.2017 -0.42842 2014 12 3 56994 0.0554 0.2023 -0.42990 2014 12 4 56995 0.0530 0.2029 -0.43123 2014 12 5 56996 0.0505 0.2036 -0.43242 2014 12 6 56997 0.0481 0.2043 -0.43344 2014 12 7 56998 0.0456 0.2050 -0.43433 2014 12 8 56999 0.0432 0.2058 -0.43510 2014 12 9 57000 0.0408 0.2066 -0.43584 2014 12 10 57001 0.0384 0.2074 -0.43654 2014 12 11 57002 0.0360 0.2083 -0.43727 2014 12 12 57003 0.0336 0.2093 -0.43807 2014 12 13 57004 0.0313 0.2102 -0.43906 2014 12 14 57005 0.0289 0.2112 -0.44013 2014 12 15 57006 0.0266 0.2123 -0.44130 2014 12 16 57007 0.0243 0.2133 -0.44258 2014 12 17 57008 0.0220 0.2145 -0.44394 2014 12 18 57009 0.0197 0.2156 -0.44533 2014 12 19 57010 0.0174 0.2168 -0.44669 2014 12 20 57011 0.0152 0.2180 -0.44795 2014 12 21 57012 0.0130 0.2193 -0.44915 2014 12 22 57013 0.0108 0.2205 -0.45036 2014 12 23 57014 0.0086 0.2219 -0.45162 2014 12 24 57015 0.0064 0.2232 -0.45301 2014 12 25 57016 0.0042 0.2246 -0.45452 2014 12 26 57017 0.0021 0.2260 -0.45614 2014 12 27 57018 0.0000 0.2275 -0.45785 2014 12 28 57019 -0.0021 0.2290 -0.45957 2014 12 29 57020 -0.0041 0.2305 -0.46125 2014 12 30 57021 -0.0061 0.2321 -0.46282 2014 12 31 57022 -0.0081 0.2336 -0.46427 2015 1 1 57023 -0.0101 0.2353 -0.46559 2015 1 2 57024 -0.0121 0.2369 -0.46678 2015 1 3 57025 -0.0140 0.2386 -0.46782 2015 1 4 57026 -0.0159 0.2403 -0.46883 2015 1 5 57027 -0.0178 0.2420 -0.46984 2015 1 6 57028 -0.0196 0.2438 -0.47080 2015 1 7 57029 -0.0214 0.2456 -0.47178 2015 1 8 57030 -0.0232 0.2474 -0.47283 2015 1 9 57031 -0.0250 0.2493 -0.47391 2015 1 10 57032 -0.0267 0.2512 -0.47505 2015 1 11 57033 -0.0284 0.2531 -0.47620 2015 1 12 57034 -0.0300 0.2550 -0.47738 2015 1 13 57035 -0.0316 0.2570 -0.47857 2015 1 14 57036 -0.0332 0.2590 -0.47972 2015 1 15 57037 -0.0348 0.2610 -0.48084 2015 1 16 57038 -0.0363 0.2630 -0.48194 2015 1 17 57039 -0.0378 0.2651 -0.48300 2015 1 18 57040 -0.0393 0.2672 -0.48400 2015 1 19 57041 -0.0407 0.2693 -0.48502 2015 1 20 57042 -0.0421 0.2715 -0.48609 2015 1 21 57043 -0.0434 0.2736 -0.48730 2015 1 22 57044 -0.0447 0.2758 -0.48871 2015 1 23 57045 -0.0460 0.2780 -0.49026 2015 1 24 57046 -0.0472 0.2802 -0.49185 2015 1 25 57047 -0.0484 0.2825 -0.49346 2015 1 26 57048 -0.0496 0.2847 -0.49503 2015 1 27 57049 -0.0507 0.2870 -0.49641 2015 1 28 57050 -0.0518 0.2893 -0.49760 2015 1 29 57051 -0.0528 0.2916 -0.49865 2015 1 30 57052 -0.0538 0.2940 -0.49958 2015 1 31 57053 -0.0548 0.2963 -0.50043 2015 2 1 57054 -0.0557 0.2987 -0.50128 2015 2 2 57055 -0.0566 0.3011 -0.50217 2015 2 3 57056 -0.0574 0.3035 -0.50311 2015 2 4 57057 -0.0582 0.3059 -0.50412 2015 2 5 57058 -0.0590 0.3083 -0.50525 2015 2 6 57059 -0.0597 0.3108 -0.50647 2015 2 7 57060 -0.0603 0.3132 -0.50772 2015 2 8 57061 -0.0610 0.3157 -0.50903 2015 2 9 57062 -0.0615 0.3182 -0.51042 2015 2 10 57063 -0.0621 0.3207 -0.51179 2015 2 11 57064 -0.0626 0.3232 -0.51314 2015 2 12 57065 -0.0630 0.3257 -0.51444 2015 2 13 57066 -0.0634 0.3282 -0.51569 2015 2 14 57067 -0.0638 0.3307 -0.51688 2015 2 15 57068 -0.0641 0.3332 -0.51807 2015 2 16 57069 -0.0644 0.3358 -0.51927 2015 2 17 57070 -0.0646 0.3383 -0.52058 2015 2 18 57071 -0.0648 0.3409 -0.52207 2015 2 19 57072 -0.0650 0.3434 -0.52375 2015 2 20 57073 -0.0651 0.3460 -0.52556 2015 2 21 57074 -0.0651 0.3486 -0.52744 2015 2 22 57075 -0.0651 0.3511 -0.52934 2015 2 23 57076 -0.0651 0.3537 -0.53113 2015 2 24 57077 -0.0650 0.3563 -0.53279 2015 2 25 57078 -0.0649 0.3588 -0.53430 2015 2 26 57079 -0.0647 0.3614 -0.53568 2015 2 27 57080 -0.0645 0.3640 -0.53693 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) 56689 -81.65 0.21 -9.55 0.09 56690 -81.44 0.17 -9.48 0.07 56691 -81.36 0.17 -9.54 0.07 56692 -81.54 0.14 -9.56 0.05 56693 -81.78 0.17 -9.58 0.04 56694 -81.78 0.17 -9.72 0.04 56695 -81.51 0.17 -9.97 0.04 56696 -81.32 0.41 -10.19 0.02 56697 -81.42 0.12 -10.28 0.03 56698 -81.63 0.12 -10.29 0.03 56699 -81.68 0.30 -10.29 0.03 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56689 0.148 0.084 0.015 0.090 56690 0.109 0.068 0.054 0.070 56691 0.067 0.068 0.082 0.070 56692 0.050 0.056 0.117 0.050 56693 0.073 0.068 0.150 0.040 56694 0.120 0.068 0.178 0.040 56695 0.180 0.068 0.198 0.040 56696 0.218 0.163 0.208 0.020 56697 0.214 0.048 0.216 0.030 56698 0.177 0.048 0.213 0.030 56699 0.130 0.119 0.210 0.030 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).