********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 24 July 2014 Vol. XXVII No. 030 ______________________________________________________________________ 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 *********************************************************************** * There will NOT be a leap second introduced in UTC * * on 31 December 2014. * * * * 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 7 18 56856 0.18447 .00009 0.39624 .00009 -0.311165 0.000024 14 7 19 56857 0.18533 .00009 0.39459 .00009 -0.311875 0.000020 14 7 20 56858 0.18650 .00009 0.39314 .00009 -0.312431 0.000013 14 7 21 56859 0.18773 .00009 0.39195 .00009 -0.312782 0.000011 14 7 22 56860 0.18872 .00009 0.39099 .00009 -0.312991 0.000010 14 7 23 56861 0.18930 .00009 0.39009 .00009 -0.313094 0.000065 14 7 24 56862 0.18967 .00009 0.38923 .00009 -0.313134 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 = 0.0885 + 0.0657 cos A + 0.0510 sin A + 0.0273 cos C - 0.0217 sin C y = 0.3613 + 0.0484 cos A - 0.0635 sin A - 0.0217 cos C - 0.0273 sin C UT1-UTC = -0.3323 - 0.00101 (MJD - 56870) - (UT2-UT1) where A = 2*pi*(MJD-56862)/365.25 and C = 2*pi*(MJD-56862)/435. TAI-UTC(MJD 56863) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56862)**0.80 S t = 0.00025 (MJD-56862)**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 7 25 56863 0.1900 0.3881 -0.31317 2014 7 26 56864 0.1904 0.3870 -0.31323 2014 7 27 56865 0.1909 0.3857 -0.31333 2014 7 28 56866 0.1916 0.3844 -0.31352 2014 7 29 56867 0.1923 0.3831 -0.31382 2014 7 30 56868 0.1931 0.3818 -0.31421 2014 7 31 56869 0.1938 0.3805 -0.31468 2014 8 1 56870 0.1945 0.3793 -0.31520 2014 8 2 56871 0.1951 0.3780 -0.31573 2014 8 3 56872 0.1957 0.3767 -0.31624 2014 8 4 56873 0.1962 0.3753 -0.31670 2014 8 5 56874 0.1968 0.3740 -0.31711 2014 8 6 56875 0.1974 0.3726 -0.31749 2014 8 7 56876 0.1980 0.3712 -0.31786 2014 8 8 56877 0.1986 0.3699 -0.31829 2014 8 9 56878 0.1992 0.3685 -0.31884 2014 8 10 56879 0.1997 0.3672 -0.31957 2014 8 11 56880 0.2002 0.3658 -0.32048 2014 8 12 56881 0.2007 0.3644 -0.32155 2014 8 13 56882 0.2011 0.3630 -0.32268 2014 8 14 56883 0.2016 0.3615 -0.32377 2014 8 15 56884 0.2020 0.3601 -0.32475 2014 8 16 56885 0.2024 0.3586 -0.32558 2014 8 17 56886 0.2028 0.3572 -0.32624 2014 8 18 56887 0.2031 0.3557 -0.32676 2014 8 19 56888 0.2035 0.3542 -0.32717 2014 8 20 56889 0.2038 0.3527 -0.32752 2014 8 21 56890 0.2041 0.3513 -0.32786 2014 8 22 56891 0.2043 0.3498 -0.32823 2014 8 23 56892 0.2045 0.3483 -0.32867 2014 8 24 56893 0.2047 0.3467 -0.32921 2014 8 25 56894 0.2049 0.3452 -0.32984 2014 8 26 56895 0.2051 0.3437 -0.33056 2014 8 27 56896 0.2052 0.3422 -0.33136 2014 8 28 56897 0.2053 0.3407 -0.33219 2014 8 29 56898 0.2053 0.3391 -0.33304 2014 8 30 56899 0.2054 0.3376 -0.33388 2014 8 31 56900 0.2054 0.3361 -0.33467 2014 9 1 56901 0.2054 0.3345 -0.33540 2014 9 2 56902 0.2053 0.3330 -0.33609 2014 9 3 56903 0.2052 0.3314 -0.33676 2014 9 4 56904 0.2051 0.3299 -0.33745 2014 9 5 56905 0.2050 0.3283 -0.33823 2014 9 6 56906 0.2048 0.3268 -0.33916 2014 9 7 56907 0.2046 0.3252 -0.34029 2014 9 8 56908 0.2044 0.3237 -0.34161 2014 9 9 56909 0.2041 0.3222 -0.34307 2014 9 10 56910 0.2038 0.3206 -0.34458 2014 9 11 56911 0.2035 0.3191 -0.34603 2014 9 12 56912 0.2032 0.3175 -0.34736 2014 9 13 56913 0.2028 0.3160 -0.34853 2014 9 14 56914 0.2024 0.3145 -0.34954 2014 9 15 56915 0.2020 0.3130 -0.35041 2014 9 16 56916 0.2015 0.3114 -0.35120 2014 9 17 56917 0.2010 0.3099 -0.35195 2014 9 18 56918 0.2005 0.3084 -0.35271 2014 9 19 56919 0.1999 0.3069 -0.35352 2014 9 20 56920 0.1994 0.3054 -0.35441 2014 9 21 56921 0.1988 0.3039 -0.35538 2014 9 22 56922 0.1981 0.3025 -0.35645 2014 9 23 56923 0.1974 0.3010 -0.35759 2014 9 24 56924 0.1967 0.2995 -0.35878 2014 9 25 56925 0.1960 0.2981 -0.35999 2014 9 26 56926 0.1953 0.2966 -0.36121 2014 9 27 56927 0.1945 0.2952 -0.36238 2014 9 28 56928 0.1937 0.2938 -0.36351 2014 9 29 56929 0.1928 0.2923 -0.36457 2014 9 30 56930 0.1920 0.2909 -0.36560 2014 10 1 56931 0.1911 0.2896 -0.36662 2014 10 2 56932 0.1901 0.2882 -0.36769 2014 10 3 56933 0.1892 0.2868 -0.36887 2014 10 4 56934 0.1882 0.2855 -0.37020 2014 10 5 56935 0.1872 0.2841 -0.37171 2014 10 6 56936 0.1862 0.2828 -0.37337 2014 10 7 56937 0.1851 0.2815 -0.37513 2014 10 8 56938 0.1840 0.2802 -0.37689 2014 10 9 56939 0.1829 0.2789 -0.37856 2014 10 10 56940 0.1818 0.2777 -0.38008 2014 10 11 56941 0.1806 0.2764 -0.38142 2014 10 12 56942 0.1795 0.2752 -0.38261 2014 10 13 56943 0.1783 0.2740 -0.38367 2014 10 14 56944 0.1770 0.2728 -0.38467 2014 10 15 56945 0.1758 0.2716 -0.38565 2014 10 16 56946 0.1745 0.2704 -0.38666 2014 10 17 56947 0.1732 0.2693 -0.38772 2014 10 18 56948 0.1718 0.2682 -0.38886 2014 10 19 56949 0.1705 0.2671 -0.39008 2014 10 20 56950 0.1691 0.2660 -0.39139 2014 10 21 56951 0.1677 0.2649 -0.39275 2014 10 22 56952 0.1663 0.2639 -0.39415 2014 10 23 56953 0.1649 0.2629 -0.39556 2014 10 24 56954 0.1634 0.2618 -0.39694 2014 10 25 56955 0.1619 0.2609 -0.39827 2014 10 26 56956 0.1604 0.2599 -0.39953 2014 10 27 56957 0.1589 0.2590 -0.40072 2014 10 28 56958 0.1574 0.2581 -0.40188 2014 10 29 56959 0.1558 0.2572 -0.40304 2014 10 30 56960 0.1543 0.2563 -0.40428 2014 10 31 56961 0.1527 0.2555 -0.40564 2014 11 1 56962 0.1510 0.2546 -0.40714 2014 11 2 56963 0.1494 0.2539 -0.40878 2014 11 3 56964 0.1478 0.2531 -0.41052 2014 11 4 56965 0.1461 0.2523 -0.41231 2014 11 5 56966 0.1444 0.2516 -0.41406 2014 11 6 56967 0.1427 0.2509 -0.41570 2014 11 7 56968 0.1410 0.2502 -0.41718 2014 11 8 56969 0.1393 0.2496 -0.41851 2014 11 9 56970 0.1376 0.2490 -0.41970 2014 11 10 56971 0.1358 0.2484 -0.42086 2014 11 11 56972 0.1341 0.2478 -0.42197 2014 11 12 56973 0.1323 0.2473 -0.42307 2014 11 13 56974 0.1305 0.2468 -0.42420 2014 11 14 56975 0.1287 0.2463 -0.42538 2014 11 15 56976 0.1269 0.2458 -0.42663 2014 11 16 56977 0.1251 0.2454 -0.42795 2014 11 17 56978 0.1233 0.2450 -0.42931 2014 11 18 56979 0.1214 0.2446 -0.43072 2014 11 19 56980 0.1196 0.2442 -0.43213 2014 11 20 56981 0.1177 0.2439 -0.43352 2014 11 21 56982 0.1159 0.2436 -0.43487 2014 11 22 56983 0.1140 0.2434 -0.43615 2014 11 23 56984 0.1121 0.2431 -0.43736 2014 11 24 56985 0.1103 0.2429 -0.43851 2014 11 25 56986 0.1084 0.2427 -0.43966 2014 11 26 56987 0.1065 0.2426 -0.44086 2014 11 27 56988 0.1046 0.2425 -0.44215 2014 11 28 56989 0.1027 0.2424 -0.44357 2014 11 29 56990 0.1008 0.2423 -0.44510 2014 11 30 56991 0.0989 0.2423 -0.44672 2014 12 1 56992 0.0970 0.2423 -0.44836 2014 12 2 56993 0.0951 0.2423 -0.44998 2014 12 3 56994 0.0932 0.2424 -0.45150 2014 12 4 56995 0.0913 0.2425 -0.45288 2014 12 5 56996 0.0893 0.2426 -0.45410 2014 12 6 56997 0.0874 0.2427 -0.45518 2014 12 7 56998 0.0855 0.2429 -0.45615 2014 12 8 56999 0.0836 0.2431 -0.45706 2014 12 9 57000 0.0817 0.2433 -0.45794 2014 12 10 57001 0.0798 0.2436 -0.45884 2014 12 11 57002 0.0779 0.2439 -0.45979 2014 12 12 57003 0.0760 0.2442 -0.46079 2014 12 13 57004 0.0741 0.2446 -0.46184 2014 12 14 57005 0.0722 0.2450 -0.46296 2014 12 15 57006 0.0704 0.2454 -0.46411 2014 12 16 57007 0.0685 0.2458 -0.46527 2014 12 17 57008 0.0666 0.2463 -0.46643 2014 12 18 57009 0.0648 0.2468 -0.46755 2014 12 19 57010 0.0629 0.2473 -0.46862 2014 12 20 57011 0.0611 0.2479 -0.46962 2014 12 21 57012 0.0592 0.2485 -0.47058 2014 12 22 57013 0.0574 0.2491 -0.47151 2014 12 23 57014 0.0556 0.2497 -0.47249 2014 12 24 57015 0.0538 0.2504 -0.47355 2014 12 25 57016 0.0520 0.2511 -0.47475 2014 12 26 57017 0.0502 0.2518 -0.47607 2014 12 27 57018 0.0485 0.2526 -0.47749 2014 12 28 57019 0.0467 0.2534 -0.47894 2014 12 29 57020 0.0450 0.2542 -0.48035 2014 12 30 57021 0.0432 0.2550 -0.48167 2014 12 31 57022 0.0415 0.2559 -0.48285 2015 1 1 57023 0.0398 0.2568 -0.48388 2015 1 2 57024 0.0382 0.2577 -0.48478 2015 1 3 57025 0.0365 0.2587 -0.48556 2015 1 4 57026 0.0348 0.2597 -0.48627 2015 1 5 57027 0.0332 0.2607 -0.48697 2015 1 6 57028 0.0316 0.2617 -0.48768 2015 1 7 57029 0.0300 0.2628 -0.48843 2015 1 8 57030 0.0284 0.2638 -0.48925 2015 1 9 57031 0.0269 0.2649 -0.49013 2015 1 10 57032 0.0253 0.2661 -0.49108 2015 1 11 57033 0.0238 0.2672 -0.49207 2015 1 12 57034 0.0223 0.2684 -0.49309 2015 1 13 57035 0.0208 0.2696 -0.49411 2015 1 14 57036 0.0194 0.2709 -0.49511 2015 1 15 57037 0.0179 0.2721 -0.49606 2015 1 16 57038 0.0165 0.2734 -0.49697 2015 1 17 57039 0.0151 0.2747 -0.49784 2015 1 18 57040 0.0137 0.2760 -0.49869 2015 1 19 57041 0.0124 0.2774 -0.49958 2015 1 20 57042 0.0111 0.2787 -0.50055 2015 1 21 57043 0.0098 0.2801 -0.50166 2015 1 22 57044 0.0085 0.2815 -0.50292 2015 1 23 57045 0.0073 0.2830 -0.50432 2015 1 24 57046 0.0061 0.2844 -0.50578 2015 1 25 57047 0.0049 0.2859 -0.50721 2015 1 26 57048 0.0037 0.2874 -0.50855 2015 1 27 57049 0.0026 0.2889 -0.50972 2015 1 28 57050 0.0014 0.2904 -0.51072 2015 1 29 57051 0.0004 0.2920 -0.51155 2015 1 30 57052 -0.0007 0.2935 -0.51224 2015 1 31 57053 -0.0017 0.2951 -0.51286 2015 2 1 57054 -0.0027 0.2967 -0.51345 2015 2 2 57055 -0.0037 0.2984 -0.51407 2015 2 3 57056 -0.0046 0.3000 -0.51476 2015 2 4 57057 -0.0055 0.3016 -0.51552 2015 2 5 57058 -0.0064 0.3033 -0.51637 2015 2 6 57059 -0.0073 0.3050 -0.51730 2015 2 7 57060 -0.0081 0.3067 -0.51829 2015 2 8 57061 -0.0089 0.3084 -0.51933 2015 2 9 57062 -0.0096 0.3101 -0.52041 2015 2 10 57063 -0.0104 0.3119 -0.52150 2015 2 11 57064 -0.0111 0.3136 -0.52260 2015 2 12 57065 -0.0117 0.3154 -0.52369 2015 2 13 57066 -0.0124 0.3172 -0.52479 2015 2 14 57067 -0.0130 0.3189 -0.52589 2015 2 15 57068 -0.0135 0.3207 -0.52702 2015 2 16 57069 -0.0141 0.3226 -0.52823 2015 2 17 57070 -0.0146 0.3244 -0.52956 2015 2 18 57071 -0.0150 0.3262 -0.53106 2015 2 19 57072 -0.0155 0.3280 -0.53271 2015 2 20 57073 -0.0159 0.3299 -0.53449 2015 2 21 57074 -0.0162 0.3317 -0.53631 2015 2 22 57075 -0.0166 0.3336 -0.53808 2015 2 23 57076 -0.0168 0.3355 -0.53973 2015 2 24 57077 -0.0171 0.3373 -0.54123 2015 2 25 57078 -0.0173 0.3392 -0.54258 2015 2 26 57079 -0.0175 0.3411 -0.54381 2015 2 27 57080 -0.0177 0.3430 -0.54498 2015 2 28 57081 -0.0178 0.3449 -0.54615 2015 3 1 57082 -0.0179 0.3468 -0.54737 2015 3 2 57083 -0.0180 0.3487 -0.54868 2015 3 3 57084 -0.0180 0.3506 -0.55011 2015 3 4 57085 -0.0180 0.3525 -0.55166 2015 3 5 57086 -0.0179 0.3544 -0.55331 2015 3 6 57087 -0.0178 0.3563 -0.55499 2015 3 7 57088 -0.0177 0.3582 -0.55668 2015 3 8 57089 -0.0175 0.3601 -0.55833 2015 3 9 57090 -0.0174 0.3620 -0.55997 2015 3 10 57091 -0.0171 0.3639 -0.56156 2015 3 11 57092 -0.0169 0.3659 -0.56307 2015 3 12 57093 -0.0166 0.3678 -0.56449 2015 3 13 57094 -0.0162 0.3697 -0.56583 2015 3 14 57095 -0.0159 0.3715 -0.56711 2015 3 15 57096 -0.0155 0.3734 -0.56842 2015 3 16 57097 -0.0150 0.3753 -0.56979 2015 3 17 57098 -0.0146 0.3772 -0.57135 2015 3 18 57099 -0.0140 0.3791 -0.57311 2015 3 19 57100 -0.0135 0.3810 -0.57505 2015 3 20 57101 -0.0129 0.3828 -0.57713 2015 3 21 57102 -0.0123 0.3847 -0.57920 2015 3 22 57103 -0.0117 0.3865 -0.58116 2015 3 23 57104 -0.0110 0.3884 -0.58295 2015 3 24 57105 -0.0103 0.3902 -0.58459 2015 3 25 57106 -0.0095 0.3920 -0.58608 2015 3 26 57107 -0.0087 0.3939 -0.58745 2015 3 27 57108 -0.0079 0.3957 -0.58875 2015 3 28 57109 -0.0071 0.3974 -0.59002 2015 3 29 57110 -0.0062 0.3992 -0.59133 2015 3 30 57111 -0.0053 0.4010 -0.59265 2015 3 31 57112 -0.0043 0.4028 -0.59408 2015 4 1 57113 -0.0033 0.4045 -0.59558 2015 4 2 57114 -0.0023 0.4062 -0.59712 2015 4 3 57115 -0.0013 0.4079 -0.59865 2015 4 4 57116 -0.0002 0.4097 -0.60023 2015 4 5 57117 0.0009 0.4113 -0.60182 2015 4 6 57118 0.0021 0.4130 -0.60337 2015 4 7 57119 0.0032 0.4147 -0.60485 2015 4 8 57120 0.0045 0.4163 -0.60630 2015 4 9 57121 0.0057 0.4179 -0.60773 2015 4 10 57122 0.0070 0.4195 -0.60904 2015 4 11 57123 0.0083 0.4211 -0.61033 2015 4 12 57124 0.0096 0.4227 -0.61171 2015 4 13 57125 0.0109 0.4242 -0.61320 2015 4 14 57126 0.0123 0.4258 -0.61483 2015 4 15 57127 0.0137 0.4273 -0.61659 2015 4 16 57128 0.0152 0.4288 -0.61846 2015 4 17 57129 0.0166 0.4302 -0.62037 2015 4 18 57130 0.0181 0.4317 -0.62229 2015 4 19 57131 0.0197 0.4331 -0.62408 2015 4 20 57132 0.0212 0.4345 -0.62567 2015 4 21 57133 0.0228 0.4359 -0.62702 2015 4 22 57134 0.0244 0.4373 -0.62818 2015 4 23 57135 0.0260 0.4386 -0.62921 2015 4 24 57136 0.0277 0.4399 -0.63019 2015 4 25 57137 0.0294 0.4412 -0.63122 2015 4 26 57138 0.0311 0.4425 -0.63232 2015 4 27 57139 0.0328 0.4437 -0.63351 2015 4 28 57140 0.0346 0.4449 -0.63469 2015 4 29 57141 0.0363 0.4461 -0.63586 2015 4 30 57142 0.0381 0.4473 -0.63701 2015 5 1 57143 0.0399 0.4484 -0.63819 2015 5 2 57144 0.0418 0.4495 -0.63946 2015 5 3 57145 0.0437 0.4506 -0.64076 2015 5 4 57146 0.0455 0.4516 -0.64201 2015 5 5 57147 0.0474 0.4527 -0.64321 2015 5 6 57148 0.0494 0.4537 -0.64428 2015 5 7 57149 0.0513 0.4546 -0.64527 2015 5 8 57150 0.0533 0.4556 -0.64625 2015 5 9 57151 0.0552 0.4565 -0.64717 2015 5 10 57152 0.0572 0.4574 -0.64808 2015 5 11 57153 0.0592 0.4582 -0.64910 2015 5 12 57154 0.0613 0.4591 -0.65024 2015 5 13 57155 0.0633 0.4598 -0.65153 2015 5 14 57156 0.0654 0.4606 -0.65292 2015 5 15 57157 0.0675 0.4613 -0.65437 2015 5 16 57158 0.0695 0.4620 -0.65577 2015 5 17 57159 0.0716 0.4627 -0.65699 2015 5 18 57160 0.0738 0.4634 -0.65806 2015 5 19 57161 0.0759 0.4640 -0.65895 2015 5 20 57162 0.0780 0.4645 -0.65970 2015 5 21 57163 0.0802 0.4651 -0.66036 2015 5 22 57164 0.0824 0.4656 -0.66105 2015 5 23 57165 0.0845 0.4661 -0.66175 2015 5 24 57166 0.0867 0.4665 -0.66250 2015 5 25 57167 0.0889 0.4669 -0.66329 2015 5 26 57168 0.0911 0.4673 -0.66406 2015 5 27 57169 0.0933 0.4676 -0.66483 2015 5 28 57170 0.0955 0.4680 -0.66557 2015 5 29 57171 0.0977 0.4682 -0.66628 2015 5 30 57172 0.1000 0.4685 -0.66692 2015 5 31 57173 0.1022 0.4687 -0.66757 2015 6 1 57174 0.1044 0.4689 -0.66813 2015 6 2 57175 0.1067 0.4690 -0.66861 2015 6 3 57176 0.1089 0.4691 -0.66907 2015 6 4 57177 0.1112 0.4692 -0.66950 2015 6 5 57178 0.1134 0.4693 -0.66999 2015 6 6 57179 0.1157 0.4693 -0.67063 2015 6 7 57180 0.1179 0.4692 -0.67140 2015 6 8 57181 0.1202 0.4692 -0.67229 2015 6 9 57182 0.1224 0.4691 -0.67322 2015 6 10 57183 0.1247 0.4690 -0.67417 2015 6 11 57184 0.1269 0.4688 -0.67511 2015 6 12 57185 0.1292 0.4686 -0.67600 2015 6 13 57186 0.1314 0.4684 -0.67683 2015 6 14 57187 0.1337 0.4681 -0.67752 2015 6 15 57188 0.1359 0.4678 -0.67802 2015 6 16 57189 0.1382 0.4675 -0.67835 2015 6 17 57190 0.1404 0.4671 -0.67856 2015 6 18 57191 0.1426 0.4667 -0.67872 2015 6 19 57192 0.1448 0.4663 -0.67887 2015 6 20 57193 0.1470 0.4658 -0.67904 2015 6 21 57194 0.1492 0.4653 -0.67928 2015 6 22 57195 0.1514 0.4648 -0.67957 2015 6 23 57196 0.1536 0.4642 -0.67988 2015 6 24 57197 0.1558 0.4636 -0.68023 2015 6 25 57198 0.1580 0.4629 -0.68061 2015 6 26 57199 0.1601 0.4623 -0.68097 2015 6 27 57200 0.1623 0.4616 -0.68128 2015 6 28 57201 0.1644 0.4608 -0.68150 2015 6 29 57202 0.1665 0.4601 -0.68166 2015 6 30 57203 0.1686 0.4593 -0.68176 2015 7 1 57204 0.1707 0.4584 -0.68185 2015 7 2 57205 0.1728 0.4576 -0.68195 2015 7 3 57206 0.1748 0.4567 -0.68214 2015 7 4 57207 0.1769 0.4557 -0.68245 2015 7 5 57208 0.1789 0.4548 -0.68291 2015 7 6 57209 0.1809 0.4538 -0.68348 2015 7 7 57210 0.1829 0.4527 -0.68415 2015 7 8 57211 0.1849 0.4517 -0.68483 2015 7 9 57212 0.1869 0.4506 -0.68542 2015 7 10 57213 0.1888 0.4495 -0.68589 2015 7 11 57214 0.1907 0.4483 -0.68622 2015 7 12 57215 0.1926 0.4472 -0.68643 2015 7 13 57216 0.1945 0.4460 -0.68657 2015 7 14 57217 0.1964 0.4447 -0.68665 2015 7 15 57218 0.1982 0.4435 -0.68671 2015 7 16 57219 0.2000 0.4422 -0.68677 2015 7 17 57220 0.2018 0.4408 -0.68682 2015 7 18 57221 0.2036 0.4395 -0.68689 2015 7 19 57222 0.2053 0.4381 -0.68701 2015 7 20 57223 0.2070 0.4367 -0.68716 2015 7 21 57224 0.2087 0.4353 -0.68734 2015 7 22 57225 0.2104 0.4338 -0.68757 2015 7 23 57226 0.2121 0.4323 -0.68783 2015 7 24 57227 0.2137 0.4308 -0.68806 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) 56827 -84.23 0.11 -13.27 0.05 56828 -84.25 0.11 -13.40 0.05 56829 -84.08 0.11 -13.55 0.05 56830 -83.98 0.30 -13.66 0.15 56831 -84.17 0.30 -13.70 0.15 56832 -84.59 0.12 -13.71 0.02 56833 -84.97 0.12 -13.72 0.02 56834 -85.08 0.12 -13.78 0.02 56835 -84.96 0.12 -13.85 0.02 56836 -84.77 0.12 -13.87 0.02 56837 -84.63 0.13 -13.82 0.03 56838 -84.65 0.17 -13.76 0.06 56839 -84.89 0.30 -13.77 0.06 56840 -85.24 0.30 -13.86 0.06 56841 -85.42 0.30 -13.92 0.06 56842 -85.33 0.30 -13.92 0.06 56843 -85.31 0.30 -13.90 0.06 56844 -85.78 0.30 -13.92 0.06 56845 -86.67 0.30 -13.92 0.07 56846 -87.47 0.30 -13.80 0.07 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56827 0.143 0.044 -0.189 0.050 56828 0.141 0.044 -0.171 0.050 56829 0.144 0.044 -0.184 0.050 56830 0.155 0.119 -0.211 0.150 56831 0.163 0.119 -0.225 0.150 56832 0.166 0.048 -0.241 0.020 56833 0.173 0.048 -0.240 0.020 56834 0.202 0.048 -0.249 0.020 56835 0.238 0.048 -0.258 0.020 56836 0.260 0.048 -0.269 0.020 56837 0.270 0.052 -0.276 0.030 56838 0.270 0.068 -0.273 0.060 56839 0.257 0.119 -0.274 0.060 56840 0.221 0.119 -0.306 0.060 56841 0.181 0.119 -0.330 0.060 56842 0.155 0.119 -0.340 0.060 56843 0.135 0.119 -0.328 0.060 56844 0.105 0.119 -0.327 0.060 56845 0.075 0.119 -0.346 0.070 56846 0.062 0.119 -0.370 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).