********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 26 June 2014 Vol. XXVII No. 026 ______________________________________________________________________ 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 = -0.3 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 6 20 56828 0.15983 .00009 0.42816 .00009 -0.296686 0.000013 14 6 21 56829 0.16092 .00009 0.42728 .00009 -0.297750 0.000012 14 6 22 56830 0.16194 .00009 0.42628 .00009 -0.298677 0.000009 14 6 23 56831 0.16327 .00009 0.42515 .00009 -0.299407 0.000007 14 6 24 56832 0.16474 .00009 0.42389 .00009 -0.299975 0.000006 14 6 25 56833 0.16597 .00009 0.42261 .00009 -0.300406 0.000065 14 6 26 56834 0.16688 .00009 0.42146 .00009 -0.300705 0.000055 _______________________________________________________________________ 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 = 0.0902 + 0.0334 cos A + 0.0871 sin A + 0.0410 cos C - 0.0175 sin C y = 0.3526 + 0.0816 cos A - 0.0314 sin A - 0.0175 cos C - 0.0410 sin C UT1-UTC = -0.2911 - 0.00100 (MJD - 56842) - (UT2-UT1) where A = 2*pi*(MJD-56834)/365.25 and C = 2*pi*(MJD-56834)/435. TAI-UTC(MJD 56835) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56834)**0.80 S t = 0.00025 (MJD-56834)**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 6 27 56835 0.1679 0.4203 -0.30091 2014 6 28 56836 0.1690 0.4191 -0.30109 2014 6 29 56837 0.1700 0.4180 -0.30132 2014 6 30 56838 0.1712 0.4169 -0.30160 2014 7 1 56839 0.1724 0.4158 -0.30195 2014 7 2 56840 0.1737 0.4147 -0.30236 2014 7 3 56841 0.1751 0.4136 -0.30283 2014 7 4 56842 0.1763 0.4125 -0.30336 2014 7 5 56843 0.1776 0.4114 -0.30391 2014 7 6 56844 0.1788 0.4103 -0.30447 2014 7 7 56845 0.1800 0.4092 -0.30500 2014 7 8 56846 0.1811 0.4080 -0.30548 2014 7 9 56847 0.1823 0.4068 -0.30591 2014 7 10 56848 0.1835 0.4056 -0.30630 2014 7 11 56849 0.1846 0.4045 -0.30671 2014 7 12 56850 0.1857 0.4033 -0.30717 2014 7 13 56851 0.1869 0.4021 -0.30775 2014 7 14 56852 0.1880 0.4009 -0.30847 2014 7 15 56853 0.1891 0.3997 -0.30930 2014 7 16 56854 0.1902 0.3984 -0.31020 2014 7 17 56855 0.1913 0.3972 -0.31106 2014 7 18 56856 0.1924 0.3959 -0.31182 2014 7 19 56857 0.1934 0.3946 -0.31241 2014 7 20 56858 0.1944 0.3933 -0.31282 2014 7 21 56859 0.1954 0.3920 -0.31305 2014 7 22 56860 0.1964 0.3906 -0.31312 2014 7 23 56861 0.1974 0.3893 -0.31309 2014 7 24 56862 0.1983 0.3879 -0.31299 2014 7 25 56863 0.1993 0.3866 -0.31289 2014 7 26 56864 0.2002 0.3852 -0.31281 2014 7 27 56865 0.2011 0.3838 -0.31280 2014 7 28 56866 0.2019 0.3824 -0.31288 2014 7 29 56867 0.2028 0.3809 -0.31304 2014 7 30 56868 0.2036 0.3795 -0.31327 2014 7 31 56869 0.2044 0.3780 -0.31356 2014 8 1 56870 0.2051 0.3766 -0.31391 2014 8 2 56871 0.2059 0.3751 -0.31428 2014 8 3 56872 0.2066 0.3736 -0.31464 2014 8 4 56873 0.2073 0.3721 -0.31497 2014 8 5 56874 0.2079 0.3706 -0.31526 2014 8 6 56875 0.2086 0.3690 -0.31552 2014 8 7 56876 0.2092 0.3675 -0.31577 2014 8 8 56877 0.2098 0.3659 -0.31607 2014 8 9 56878 0.2103 0.3644 -0.31649 2014 8 10 56879 0.2109 0.3628 -0.31707 2014 8 11 56880 0.2114 0.3612 -0.31782 2014 8 12 56881 0.2118 0.3596 -0.31871 2014 8 13 56882 0.2123 0.3580 -0.31965 2014 8 14 56883 0.2127 0.3564 -0.32056 2014 8 15 56884 0.2131 0.3548 -0.32136 2014 8 16 56885 0.2134 0.3532 -0.32199 2014 8 17 56886 0.2137 0.3515 -0.32244 2014 8 18 56887 0.2140 0.3499 -0.32275 2014 8 19 56888 0.2143 0.3483 -0.32295 2014 8 20 56889 0.2145 0.3466 -0.32307 2014 8 21 56890 0.2147 0.3450 -0.32316 2014 8 22 56891 0.2149 0.3433 -0.32327 2014 8 23 56892 0.2151 0.3416 -0.32343 2014 8 24 56893 0.2152 0.3400 -0.32368 2014 8 25 56894 0.2152 0.3383 -0.32401 2014 8 26 56895 0.2153 0.3366 -0.32443 2014 8 27 56896 0.2153 0.3349 -0.32491 2014 8 28 56897 0.2153 0.3332 -0.32545 2014 8 29 56898 0.2153 0.3316 -0.32600 2014 8 30 56899 0.2152 0.3299 -0.32655 2014 8 31 56900 0.2151 0.3282 -0.32707 2014 9 1 56901 0.2149 0.3265 -0.32756 2014 9 2 56902 0.2148 0.3248 -0.32801 2014 9 3 56903 0.2146 0.3231 -0.32845 2014 9 4 56904 0.2143 0.3215 -0.32892 2014 9 5 56905 0.2141 0.3198 -0.32950 2014 9 6 56906 0.2138 0.3181 -0.33023 2014 9 7 56907 0.2134 0.3164 -0.33115 2014 9 8 56908 0.2131 0.3147 -0.33227 2014 9 9 56909 0.2127 0.3131 -0.33353 2014 9 10 56910 0.2123 0.3114 -0.33484 2014 9 11 56911 0.2118 0.3097 -0.33611 2014 9 12 56912 0.2113 0.3081 -0.33725 2014 9 13 56913 0.2108 0.3064 -0.33823 2014 9 14 56914 0.2103 0.3048 -0.33904 2014 9 15 56915 0.2097 0.3032 -0.33971 2014 9 16 56916 0.2091 0.3015 -0.34029 2014 9 17 56917 0.2084 0.2999 -0.34083 2014 9 18 56918 0.2077 0.2983 -0.34136 2014 9 19 56919 0.2070 0.2967 -0.34195 2014 9 20 56920 0.2063 0.2951 -0.34261 2014 9 21 56921 0.2055 0.2935 -0.34336 2014 9 22 56922 0.2047 0.2919 -0.34422 2014 9 23 56923 0.2039 0.2904 -0.34516 2014 9 24 56924 0.2031 0.2888 -0.34617 2014 9 25 56925 0.2022 0.2873 -0.34723 2014 9 26 56926 0.2013 0.2857 -0.34829 2014 9 27 56927 0.2003 0.2842 -0.34933 2014 9 28 56928 0.1993 0.2827 -0.35032 2014 9 29 56929 0.1983 0.2812 -0.35126 2014 9 30 56930 0.1973 0.2797 -0.35216 2014 10 1 56931 0.1962 0.2783 -0.35306 2014 10 2 56932 0.1952 0.2768 -0.35402 2014 10 3 56933 0.1940 0.2754 -0.35510 2014 10 4 56934 0.1929 0.2739 -0.35634 2014 10 5 56935 0.1917 0.2725 -0.35777 2014 10 6 56936 0.1905 0.2711 -0.35937 2014 10 7 56937 0.1893 0.2698 -0.36108 2014 10 8 56938 0.1880 0.2684 -0.36281 2014 10 9 56939 0.1868 0.2671 -0.36446 2014 10 10 56940 0.1855 0.2658 -0.36597 2014 10 11 56941 0.1841 0.2645 -0.36732 2014 10 12 56942 0.1828 0.2632 -0.36850 2014 10 13 56943 0.1814 0.2619 -0.36961 2014 10 14 56944 0.1800 0.2607 -0.37064 2014 10 15 56945 0.1786 0.2595 -0.37165 2014 10 16 56946 0.1771 0.2583 -0.37268 2014 10 17 56947 0.1756 0.2571 -0.37377 2014 10 18 56948 0.1741 0.2559 -0.37492 2014 10 19 56949 0.1726 0.2548 -0.37616 2014 10 20 56950 0.1711 0.2537 -0.37748 2014 10 21 56951 0.1695 0.2526 -0.37886 2014 10 22 56952 0.1679 0.2515 -0.38027 2014 10 23 56953 0.1663 0.2505 -0.38169 2014 10 24 56954 0.1647 0.2494 -0.38308 2014 10 25 56955 0.1630 0.2484 -0.38442 2014 10 26 56956 0.1613 0.2475 -0.38569 2014 10 27 56957 0.1597 0.2465 -0.38689 2014 10 28 56958 0.1579 0.2456 -0.38807 2014 10 29 56959 0.1562 0.2447 -0.38926 2014 10 30 56960 0.1545 0.2438 -0.39052 2014 10 31 56961 0.1527 0.2430 -0.39190 2014 11 1 56962 0.1509 0.2422 -0.39343 2014 11 2 56963 0.1491 0.2414 -0.39509 2014 11 3 56964 0.1473 0.2406 -0.39686 2014 11 4 56965 0.1455 0.2399 -0.39867 2014 11 5 56966 0.1436 0.2391 -0.40043 2014 11 6 56967 0.1418 0.2385 -0.40209 2014 11 7 56968 0.1399 0.2378 -0.40358 2014 11 8 56969 0.1380 0.2372 -0.40492 2014 11 9 56970 0.1361 0.2366 -0.40611 2014 11 10 56971 0.1342 0.2360 -0.40721 2014 11 11 56972 0.1323 0.2355 -0.40826 2014 11 12 56973 0.1303 0.2349 -0.40930 2014 11 13 56974 0.1284 0.2345 -0.41037 2014 11 14 56975 0.1264 0.2340 -0.41149 2014 11 15 56976 0.1245 0.2336 -0.41268 2014 11 16 56977 0.1225 0.2332 -0.41394 2014 11 17 56978 0.1205 0.2328 -0.41525 2014 11 18 56979 0.1185 0.2325 -0.41660 2014 11 19 56980 0.1165 0.2322 -0.41795 2014 11 20 56981 0.1145 0.2319 -0.41929 2014 11 21 56982 0.1125 0.2316 -0.42057 2014 11 22 56983 0.1104 0.2314 -0.42180 2014 11 23 56984 0.1084 0.2312 -0.42294 2014 11 24 56985 0.1064 0.2311 -0.42404 2014 11 25 56986 0.1043 0.2310 -0.42513 2014 11 26 56987 0.1023 0.2309 -0.42626 2014 11 27 56988 0.1002 0.2308 -0.42749 2014 11 28 56989 0.0982 0.2308 -0.42884 2014 11 29 56990 0.0961 0.2308 -0.43030 2014 11 30 56991 0.0941 0.2308 -0.43186 2014 12 1 56992 0.0920 0.2309 -0.43344 2014 12 2 56993 0.0900 0.2310 -0.43499 2014 12 3 56994 0.0879 0.2311 -0.43644 2014 12 4 56995 0.0859 0.2313 -0.43776 2014 12 5 56996 0.0838 0.2315 -0.43892 2014 12 6 56997 0.0818 0.2317 -0.43993 2014 12 7 56998 0.0797 0.2320 -0.44084 2014 12 8 56999 0.0777 0.2322 -0.44168 2014 12 9 57000 0.0757 0.2326 -0.44250 2014 12 10 57001 0.0736 0.2329 -0.44333 2014 12 11 57002 0.0716 0.2333 -0.44421 2014 12 12 57003 0.0696 0.2337 -0.44514 2014 12 13 57004 0.0675 0.2342 -0.44613 2014 12 14 57005 0.0655 0.2346 -0.44717 2014 12 15 57006 0.0635 0.2351 -0.44825 2014 12 16 57007 0.0615 0.2357 -0.44935 2014 12 17 57008 0.0595 0.2362 -0.45043 2014 12 18 57009 0.0576 0.2368 -0.45148 2014 12 19 57010 0.0556 0.2375 -0.45248 2014 12 20 57011 0.0536 0.2381 -0.45341 2014 12 21 57012 0.0517 0.2388 -0.45430 2014 12 22 57013 0.0497 0.2396 -0.45516 2014 12 23 57014 0.0478 0.2403 -0.45606 2014 12 24 57015 0.0459 0.2411 -0.45705 2014 12 25 57016 0.0440 0.2419 -0.45817 2014 12 26 57017 0.0421 0.2428 -0.45941 2014 12 27 57018 0.0403 0.2436 -0.46075 2014 12 28 57019 0.0384 0.2445 -0.46213 2014 12 29 57020 0.0365 0.2455 -0.46347 2014 12 30 57021 0.0347 0.2464 -0.46471 2014 12 31 57022 0.0329 0.2474 -0.46583 2015 1 1 57023 0.0311 0.2484 -0.46681 2015 1 2 57024 0.0293 0.2495 -0.46765 2015 1 3 57025 0.0276 0.2506 -0.46840 2015 1 4 57026 0.0258 0.2517 -0.46908 2015 1 5 57027 0.0241 0.2528 -0.46976 2015 1 6 57028 0.0224 0.2540 -0.47048 2015 1 7 57029 0.0207 0.2551 -0.47125 2015 1 8 57030 0.0191 0.2564 -0.47211 2015 1 9 57031 0.0174 0.2576 -0.47305 2015 1 10 57032 0.0158 0.2589 -0.47408 2015 1 11 57033 0.0142 0.2601 -0.47518 2015 1 12 57034 0.0127 0.2615 -0.47632 2015 1 13 57035 0.0111 0.2628 -0.47747 2015 1 14 57036 0.0096 0.2642 -0.47863 2015 1 15 57037 0.0081 0.2656 -0.47976 2015 1 16 57038 0.0066 0.2670 -0.48085 2015 1 17 57039 0.0051 0.2684 -0.48189 2015 1 18 57040 0.0037 0.2699 -0.48289 2015 1 19 57041 0.0023 0.2714 -0.48389 2015 1 20 57042 0.0009 0.2729 -0.48494 2015 1 21 57043 -0.0004 0.2744 -0.48611 2015 1 22 57044 -0.0017 0.2760 -0.48742 2015 1 23 57045 -0.0030 0.2775 -0.48885 2015 1 24 57046 -0.0043 0.2791 -0.49035 2015 1 25 57047 -0.0055 0.2808 -0.49183 2015 1 26 57048 -0.0067 0.2824 -0.49322 2015 1 27 57049 -0.0079 0.2841 -0.49447 2015 1 28 57050 -0.0091 0.2857 -0.49557 2015 1 29 57051 -0.0102 0.2874 -0.49654 2015 1 30 57052 -0.0113 0.2891 -0.49741 2015 1 31 57053 -0.0123 0.2909 -0.49822 2015 2 1 57054 -0.0134 0.2926 -0.49901 2015 2 2 57055 -0.0144 0.2944 -0.49983 2015 2 3 57056 -0.0153 0.2962 -0.50071 2015 2 4 57057 -0.0163 0.2980 -0.50168 2015 2 5 57058 -0.0172 0.2998 -0.50271 2015 2 6 57059 -0.0181 0.3016 -0.50376 2015 2 7 57060 -0.0189 0.3035 -0.50491 2015 2 8 57061 -0.0197 0.3053 -0.50612 2015 2 9 57062 -0.0205 0.3072 -0.50733 2015 2 10 57063 -0.0212 0.3091 -0.50853 2015 2 11 57064 -0.0219 0.3110 -0.50974 2015 2 12 57065 -0.0226 0.3129 -0.51093 2015 2 13 57066 -0.0232 0.3149 -0.51202 2015 2 14 57067 -0.0238 0.3168 -0.51306 2015 2 15 57068 -0.0244 0.3187 -0.51415 2015 2 16 57069 -0.0249 0.3207 -0.51531 2015 2 17 57070 -0.0254 0.3227 -0.51659 2015 2 18 57071 -0.0259 0.3246 -0.51802 2015 2 19 57072 -0.0263 0.3266 -0.51961 2015 2 20 57073 -0.0267 0.3286 -0.52131 2015 2 21 57074 -0.0270 0.3306 -0.52309 2015 2 22 57075 -0.0273 0.3326 -0.52482 2015 2 23 57076 -0.0276 0.3347 -0.52640 2015 2 24 57077 -0.0279 0.3367 -0.52776 2015 2 25 57078 -0.0281 0.3387 -0.52891 2015 2 26 57079 -0.0282 0.3407 -0.52992 2015 2 27 57080 -0.0284 0.3428 -0.53085 2015 2 28 57081 -0.0285 0.3448 -0.53179 2015 3 1 57082 -0.0285 0.3469 -0.53279 2015 3 2 57083 -0.0286 0.3489 -0.53388 2015 3 3 57084 -0.0285 0.3510 -0.53498 2015 3 4 57085 -0.0285 0.3530 -0.53611 2015 3 5 57086 -0.0284 0.3551 -0.53725 2015 3 6 57087 -0.0283 0.3571 -0.53848 2015 3 7 57088 -0.0281 0.3592 -0.53986 2015 3 8 57089 -0.0279 0.3612 -0.54132 2015 3 9 57090 -0.0277 0.3633 -0.54280 2015 3 10 57091 -0.0274 0.3653 -0.54427 2015 3 11 57092 -0.0271 0.3674 -0.54565 2015 3 12 57093 -0.0267 0.3694 -0.54695 2015 3 13 57094 -0.0264 0.3715 -0.54822 2015 3 14 57095 -0.0259 0.3735 -0.54941 2015 3 15 57096 -0.0255 0.3755 -0.55056 2015 3 16 57097 -0.0250 0.3775 -0.55181 2015 3 17 57098 -0.0244 0.3796 -0.55322 2015 3 18 57099 -0.0239 0.3816 -0.55483 2015 3 19 57100 -0.0233 0.3836 -0.55666 2015 3 20 57101 -0.0226 0.3856 -0.55865 2015 3 21 57102 -0.0219 0.3876 -0.56068 2015 3 22 57103 -0.0212 0.3895 -0.56261 2015 3 23 57104 -0.0205 0.3915 -0.56440 2015 3 24 57105 -0.0197 0.3935 -0.56601 2015 3 25 57106 -0.0189 0.3954 -0.56744 2015 3 26 57107 -0.0180 0.3974 -0.56874 2015 3 27 57108 -0.0171 0.3993 -0.57003 2015 3 28 57109 -0.0162 0.4012 -0.57130 2015 3 29 57110 -0.0152 0.4031 -0.57261 2015 3 30 57111 -0.0142 0.4050 -0.57395 2015 3 31 57112 -0.0132 0.4069 -0.57531 2015 4 1 57113 -0.0121 0.4088 -0.57669 2015 4 2 57114 -0.0110 0.4106 -0.57810 2015 4 3 57115 -0.0099 0.4124 -0.57952 2015 4 4 57116 -0.0087 0.4143 -0.58094 2015 4 5 57117 -0.0075 0.4161 -0.58241 2015 4 6 57118 -0.0062 0.4178 -0.58383 2015 4 7 57119 -0.0050 0.4196 -0.58520 2015 4 8 57120 -0.0037 0.4214 -0.58654 2015 4 9 57121 -0.0023 0.4231 -0.58783 2015 4 10 57122 -0.0010 0.4248 -0.58914 2015 4 11 57123 0.0004 0.4265 -0.59053 2015 4 12 57124 0.0019 0.4282 -0.59202 2015 4 13 57125 0.0033 0.4298 -0.59363 2015 4 14 57126 0.0048 0.4315 -0.59533 2015 4 15 57127 0.0063 0.4331 -0.59714 2015 4 16 57128 0.0079 0.4346 -0.59907 2015 4 17 57129 0.0095 0.4362 -0.60108 2015 4 18 57130 0.0111 0.4378 -0.60313 2015 4 19 57131 0.0127 0.4393 -0.60507 2015 4 20 57132 0.0144 0.4408 -0.60682 2015 4 21 57133 0.0160 0.4422 -0.60834 2015 4 22 57134 0.0178 0.4437 -0.60969 2015 4 23 57135 0.0195 0.4451 -0.61092 2015 4 24 57136 0.0213 0.4465 -0.61207 2015 4 25 57137 0.0231 0.4479 -0.61320 2015 4 26 57138 0.0249 0.4492 -0.61437 2015 4 27 57139 0.0267 0.4505 -0.61559 2015 4 28 57140 0.0286 0.4518 -0.61683 2015 4 29 57141 0.0305 0.4531 -0.61814 2015 4 30 57142 0.0324 0.4543 -0.61951 2015 5 1 57143 0.0344 0.4555 -0.62090 2015 5 2 57144 0.0363 0.4567 -0.62227 2015 5 3 57145 0.0383 0.4579 -0.62357 2015 5 4 57146 0.0403 0.4590 -0.62481 2015 5 5 57147 0.0424 0.4601 -0.62598 2015 5 6 57148 0.0444 0.4612 -0.62708 2015 5 7 57149 0.0465 0.4622 -0.62813 2015 5 8 57150 0.0486 0.4632 -0.62918 2015 5 9 57151 0.0507 0.4642 -0.63027 2015 5 10 57152 0.0528 0.4651 -0.63145 2015 5 11 57153 0.0549 0.4660 -0.63273 2015 5 12 57154 0.0571 0.4669 -0.63415 2015 5 13 57155 0.0593 0.4677 -0.63569 2015 5 14 57156 0.0615 0.4685 -0.63726 2015 5 15 57157 0.0637 0.4693 -0.63883 2015 5 16 57158 0.0659 0.4701 -0.64032 2015 5 17 57159 0.0681 0.4708 -0.64171 2015 5 18 57160 0.0704 0.4714 -0.64298 2015 5 19 57161 0.0726 0.4721 -0.64411 2015 5 20 57162 0.0749 0.4727 -0.64513 2015 5 21 57163 0.0772 0.4733 -0.64606 2015 5 22 57164 0.0795 0.4738 -0.64691 2015 5 23 57165 0.0818 0.4743 -0.64772 2015 5 24 57166 0.0841 0.4748 -0.64854 2015 5 25 57167 0.0864 0.4752 -0.64937 2015 5 26 57168 0.0888 0.4756 -0.65022 2015 5 27 57169 0.0911 0.4760 -0.65114 2015 5 28 57170 0.0935 0.4763 -0.65210 2015 5 29 57171 0.0958 0.4766 -0.65305 2015 5 30 57172 0.0982 0.4769 -0.65395 2015 5 31 57173 0.1006 0.4771 -0.65483 2015 6 1 57174 0.1029 0.4773 -0.65566 2015 6 2 57175 0.1053 0.4775 -0.65647 2015 6 3 57176 0.1077 0.4776 -0.65719 2015 6 4 57177 0.1101 0.4777 -0.65787 2015 6 5 57178 0.1125 0.4777 -0.65856 2015 6 6 57179 0.1148 0.4777 -0.65933 2015 6 7 57180 0.1172 0.4777 -0.66022 2015 6 8 57181 0.1196 0.4777 -0.66120 2015 6 9 57182 0.1220 0.4776 -0.66229 2015 6 10 57183 0.1244 0.4774 -0.66343 2015 6 11 57184 0.1268 0.4773 -0.66456 2015 6 12 57185 0.1292 0.4771 -0.66562 2015 6 13 57186 0.1315 0.4768 -0.66653 2015 6 14 57187 0.1339 0.4765 -0.66729 2015 6 15 57188 0.1363 0.4762 -0.66787 2015 6 16 57189 0.1386 0.4759 -0.66832 2015 6 17 57190 0.1410 0.4755 -0.66870 2015 6 18 57191 0.1434 0.4751 -0.66907 2015 6 19 57192 0.1457 0.4746 -0.66946 2015 6 20 57193 0.1481 0.4741 -0.66990 2015 6 21 57194 0.1504 0.4736 -0.67034 2015 6 22 57195 0.1527 0.4730 -0.67081 2015 6 23 57196 0.1550 0.4724 -0.67127 2015 6 24 57197 0.1573 0.4718 -0.67172 2015 6 25 57198 0.1596 0.4711 -0.67216 2015 6 26 57199 0.1619 0.4704 -0.67258 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) 56801 -80.12 0.30 -13.82 0.02 56802 -80.21 0.30 -13.76 0.02 56803 -80.58 0.30 -13.74 0.07 56804 -80.95 0.30 -13.82 0.07 56805 -81.07 0.10 -13.93 0.07 56806 -80.92 0.10 -13.98 0.07 56807 -80.70 0.10 -13.95 0.07 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56801 0.213 0.119 -0.230 0.020 56802 0.215 0.119 -0.236 0.020 56803 0.215 0.119 -0.221 0.070 56804 0.220 0.119 -0.228 0.070 56805 0.235 0.040 -0.246 0.070 56806 0.271 0.040 -0.257 0.070 56807 0.311 0.040 -0.254 0.070 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).