********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 3 July 2014 Vol. XXVII No. 027 ______________________________________________________________________ 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 27 56835 0.16747 .00009 0.42022 .00009 -0.300869 0.000013 14 6 28 56836 0.16815 .00009 0.41906 .00009 -0.301013 0.000013 14 6 29 56837 0.16888 .00009 0.41784 .00009 -0.301231 0.000009 14 6 30 56838 0.16966 .00009 0.41646 .00009 -0.301505 0.000008 14 7 1 56839 0.17064 .00009 0.41503 .00009 -0.301833 0.000008 14 7 2 56840 0.17189 .00009 0.41381 .00009 -0.302221 0.000065 14 7 3 56841 0.17324 .00009 0.41275 .00009 -0.302674 0.000055 IERS Final Values MJD x y UT1-UTC " " s 14 5 2 56779 0.0798 0.4436 -0.24902 14 5 3 56780 0.0817 0.4440 -0.25012 14 5 4 56781 0.0838 0.4446 -0.25121 14 5 5 56782 0.0853 0.4449 -0.25234 14 5 6 56783 0.0862 0.4450 -0.25355 14 5 7 56784 0.0874 0.4455 -0.25481 14 5 8 56785 0.0890 0.4461 -0.25610 14 5 9 56786 0.0904 0.4467 -0.25752 14 5 10 56787 0.0915 0.4468 -0.25895 14 5 11 56788 0.0931 0.4467 -0.26040 14 5 12 56789 0.0954 0.4467 -0.26181 14 5 13 56790 0.0978 0.4470 -0.26312 14 5 14 56791 0.0998 0.4475 -0.26429 14 5 15 56792 0.1013 0.4479 -0.26540 14 5 16 56793 0.1028 0.4480 -0.26643 14 5 17 56794 0.1039 0.4480 -0.26743 14 5 18 56795 0.1049 0.4480 -0.26846 14 5 19 56796 0.1058 0.4478 -0.26961 14 5 20 56797 0.1072 0.4476 -0.27088 14 5 21 56798 0.1090 0.4477 -0.27229 14 5 22 56799 0.1109 0.4480 -0.27378 14 5 23 56800 0.1122 0.4483 -0.27524 14 5 24 56801 0.1137 0.4481 -0.27664 14 5 25 56802 0.1152 0.4477 -0.27790 14 5 26 56803 0.1167 0.4470 -0.27901 14 5 27 56804 0.1181 0.4463 -0.27993 14 5 28 56805 0.1202 0.4454 -0.28070 14 5 29 56806 0.1228 0.4450 -0.28136 14 5 30 56807 0.1254 0.4442 -0.28183 14 5 31 56808 0.1278 0.4435 -0.28223 14 6 1 56809 0.1294 0.4429 -0.28262 _______________________________________________________________________ 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 = 0.0873 + 0.0436 cos A + 0.0810 sin A + 0.0379 cos C - 0.0205 sin C y = 0.3532 + 0.0758 cos A - 0.0414 sin A - 0.0205 cos C - 0.0379 sin C UT1-UTC = -0.3006 - 0.00100 (MJD - 56849) - (UT2-UT1) where A = 2*pi*(MJD-56841)/365.25 and C = 2*pi*(MJD-56841)/435. TAI-UTC(MJD 56842) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56841)**0.80 S t = 0.00025 (MJD-56841)**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 4 56842 0.1745 0.4117 -0.30320 2014 7 5 56843 0.1758 0.4107 -0.30374 2014 7 6 56844 0.1770 0.4097 -0.30423 2014 7 7 56845 0.1781 0.4086 -0.30468 2014 7 8 56846 0.1792 0.4075 -0.30506 2014 7 9 56847 0.1803 0.4062 -0.30541 2014 7 10 56848 0.1814 0.4051 -0.30572 2014 7 11 56849 0.1825 0.4039 -0.30602 2014 7 12 56850 0.1836 0.4027 -0.30638 2014 7 13 56851 0.1847 0.4015 -0.30683 2014 7 14 56852 0.1858 0.4004 -0.30742 2014 7 15 56853 0.1868 0.3992 -0.30818 2014 7 16 56854 0.1879 0.3980 -0.30902 2014 7 17 56855 0.1889 0.3967 -0.30988 2014 7 18 56856 0.1899 0.3955 -0.31067 2014 7 19 56857 0.1910 0.3942 -0.31133 2014 7 20 56858 0.1920 0.3929 -0.31184 2014 7 21 56859 0.1930 0.3916 -0.31222 2014 7 22 56860 0.1940 0.3903 -0.31247 2014 7 23 56861 0.1949 0.3890 -0.31263 2014 7 24 56862 0.1958 0.3877 -0.31273 2014 7 25 56863 0.1967 0.3864 -0.31281 2014 7 26 56864 0.1976 0.3850 -0.31291 2014 7 27 56865 0.1985 0.3836 -0.31304 2014 7 28 56866 0.1994 0.3822 -0.31322 2014 7 29 56867 0.2002 0.3808 -0.31347 2014 7 30 56868 0.2010 0.3794 -0.31378 2014 7 31 56869 0.2018 0.3780 -0.31413 2014 8 1 56870 0.2025 0.3766 -0.31451 2014 8 2 56871 0.2033 0.3751 -0.31490 2014 8 3 56872 0.2040 0.3737 -0.31527 2014 8 4 56873 0.2047 0.3722 -0.31560 2014 8 5 56874 0.2053 0.3707 -0.31589 2014 8 6 56875 0.2060 0.3692 -0.31615 2014 8 7 56876 0.2066 0.3677 -0.31640 2014 8 8 56877 0.2072 0.3662 -0.31670 2014 8 9 56878 0.2077 0.3647 -0.31711 2014 8 10 56879 0.2083 0.3631 -0.31768 2014 8 11 56880 0.2088 0.3616 -0.31843 2014 8 12 56881 0.2092 0.3600 -0.31933 2014 8 13 56882 0.2097 0.3584 -0.32032 2014 8 14 56883 0.2101 0.3569 -0.32129 2014 8 15 56884 0.2105 0.3553 -0.32215 2014 8 16 56885 0.2108 0.3537 -0.32286 2014 8 17 56886 0.2112 0.3521 -0.32341 2014 8 18 56887 0.2115 0.3505 -0.32382 2014 8 19 56888 0.2117 0.3489 -0.32411 2014 8 20 56889 0.2120 0.3473 -0.32434 2014 8 21 56890 0.2122 0.3456 -0.32455 2014 8 22 56891 0.2124 0.3440 -0.32477 2014 8 23 56892 0.2125 0.3424 -0.32503 2014 8 24 56893 0.2126 0.3407 -0.32537 2014 8 25 56894 0.2127 0.3391 -0.32579 2014 8 26 56895 0.2128 0.3374 -0.32629 2014 8 27 56896 0.2128 0.3358 -0.32687 2014 8 28 56897 0.2128 0.3342 -0.32751 2014 8 29 56898 0.2128 0.3325 -0.32817 2014 8 30 56899 0.2127 0.3308 -0.32883 2014 8 31 56900 0.2126 0.3292 -0.32945 2014 9 1 56901 0.2125 0.3275 -0.33002 2014 9 2 56902 0.2124 0.3259 -0.33054 2014 9 3 56903 0.2122 0.3242 -0.33105 2014 9 4 56904 0.2119 0.3226 -0.33158 2014 9 5 56905 0.2117 0.3209 -0.33219 2014 9 6 56906 0.2114 0.3193 -0.33295 2014 9 7 56907 0.2111 0.3176 -0.33388 2014 9 8 56908 0.2108 0.3160 -0.33499 2014 9 9 56909 0.2104 0.3144 -0.33624 2014 9 10 56910 0.2100 0.3127 -0.33755 2014 9 11 56911 0.2095 0.3111 -0.33880 2014 9 12 56912 0.2091 0.3095 -0.33994 2014 9 13 56913 0.2086 0.3078 -0.34091 2014 9 14 56914 0.2080 0.3062 -0.34172 2014 9 15 56915 0.2075 0.3046 -0.34240 2014 9 16 56916 0.2069 0.3030 -0.34300 2014 9 17 56917 0.2062 0.3014 -0.34356 2014 9 18 56918 0.2056 0.2998 -0.34414 2014 9 19 56919 0.2049 0.2983 -0.34476 2014 9 20 56920 0.2042 0.2967 -0.34545 2014 9 21 56921 0.2034 0.2951 -0.34625 2014 9 22 56922 0.2027 0.2936 -0.34714 2014 9 23 56923 0.2019 0.2921 -0.34811 2014 9 24 56924 0.2010 0.2905 -0.34915 2014 9 25 56925 0.2002 0.2890 -0.35022 2014 9 26 56926 0.1993 0.2875 -0.35129 2014 9 27 56927 0.1983 0.2860 -0.35233 2014 9 28 56928 0.1974 0.2845 -0.35331 2014 9 29 56929 0.1964 0.2831 -0.35424 2014 9 30 56930 0.1954 0.2816 -0.35513 2014 10 1 56931 0.1944 0.2802 -0.35602 2014 10 2 56932 0.1933 0.2787 -0.35697 2014 10 3 56933 0.1922 0.2773 -0.35804 2014 10 4 56934 0.1911 0.2759 -0.35927 2014 10 5 56935 0.1899 0.2746 -0.36069 2014 10 6 56936 0.1887 0.2732 -0.36228 2014 10 7 56937 0.1875 0.2718 -0.36397 2014 10 8 56938 0.1863 0.2705 -0.36568 2014 10 9 56939 0.1851 0.2692 -0.36731 2014 10 10 56940 0.1838 0.2679 -0.36880 2014 10 11 56941 0.1825 0.2666 -0.37011 2014 10 12 56942 0.1811 0.2654 -0.37127 2014 10 13 56943 0.1798 0.2641 -0.37231 2014 10 14 56944 0.1784 0.2629 -0.37329 2014 10 15 56945 0.1770 0.2617 -0.37424 2014 10 16 56946 0.1756 0.2606 -0.37523 2014 10 17 56947 0.1741 0.2594 -0.37627 2014 10 18 56948 0.1726 0.2583 -0.37739 2014 10 19 56949 0.1711 0.2572 -0.37860 2014 10 20 56950 0.1696 0.2561 -0.37994 2014 10 21 56951 0.1681 0.2550 -0.38134 2014 10 22 56952 0.1665 0.2539 -0.38277 2014 10 23 56953 0.1649 0.2529 -0.38421 2014 10 24 56954 0.1633 0.2519 -0.38563 2014 10 25 56955 0.1617 0.2509 -0.38699 2014 10 26 56956 0.1601 0.2500 -0.38828 2014 10 27 56957 0.1584 0.2491 -0.38951 2014 10 28 56958 0.1567 0.2482 -0.39071 2014 10 29 56959 0.1550 0.2473 -0.39192 2014 10 30 56960 0.1533 0.2464 -0.39321 2014 10 31 56961 0.1516 0.2456 -0.39461 2014 11 1 56962 0.1498 0.2448 -0.39616 2014 11 2 56963 0.1480 0.2440 -0.39785 2014 11 3 56964 0.1462 0.2433 -0.39965 2014 11 4 56965 0.1444 0.2425 -0.40147 2014 11 5 56966 0.1426 0.2419 -0.40326 2014 11 6 56967 0.1408 0.2412 -0.40493 2014 11 7 56968 0.1390 0.2405 -0.40645 2014 11 8 56969 0.1371 0.2399 -0.40780 2014 11 9 56970 0.1352 0.2393 -0.40901 2014 11 10 56971 0.1333 0.2388 -0.41012 2014 11 11 56972 0.1314 0.2383 -0.41118 2014 11 12 56973 0.1295 0.2378 -0.41223 2014 11 13 56974 0.1276 0.2373 -0.41331 2014 11 14 56975 0.1257 0.2368 -0.41444 2014 11 15 56976 0.1238 0.2364 -0.41564 2014 11 16 56977 0.1218 0.2361 -0.41690 2014 11 17 56978 0.1198 0.2357 -0.41822 2014 11 18 56979 0.1179 0.2354 -0.41958 2014 11 19 56980 0.1159 0.2351 -0.42094 2014 11 20 56981 0.1139 0.2348 -0.42228 2014 11 21 56982 0.1119 0.2346 -0.42358 2014 11 22 56983 0.1100 0.2344 -0.42481 2014 11 23 56984 0.1080 0.2342 -0.42597 2014 11 24 56985 0.1060 0.2341 -0.42708 2014 11 25 56986 0.1039 0.2340 -0.42818 2014 11 26 56987 0.1019 0.2339 -0.42933 2014 11 27 56988 0.0999 0.2338 -0.43057 2014 11 28 56989 0.0979 0.2338 -0.43194 2014 11 29 56990 0.0959 0.2338 -0.43342 2014 11 30 56991 0.0939 0.2339 -0.43499 2014 12 1 56992 0.0919 0.2339 -0.43659 2014 12 2 56993 0.0898 0.2340 -0.43815 2014 12 3 56994 0.0878 0.2342 -0.43962 2014 12 4 56995 0.0858 0.2343 -0.44095 2014 12 5 56996 0.0838 0.2345 -0.44212 2014 12 6 56997 0.0818 0.2348 -0.44315 2014 12 7 56998 0.0797 0.2350 -0.44408 2014 12 8 56999 0.0777 0.2353 -0.44493 2014 12 9 57000 0.0757 0.2356 -0.44577 2014 12 10 57001 0.0737 0.2360 -0.44662 2014 12 11 57002 0.0717 0.2364 -0.44751 2014 12 12 57003 0.0697 0.2368 -0.44846 2014 12 13 57004 0.0678 0.2372 -0.44947 2014 12 14 57005 0.0658 0.2377 -0.45053 2014 12 15 57006 0.0638 0.2382 -0.45164 2014 12 16 57007 0.0618 0.2388 -0.45276 2014 12 17 57008 0.0599 0.2393 -0.45387 2014 12 18 57009 0.0579 0.2399 -0.45494 2014 12 19 57010 0.0560 0.2406 -0.45597 2014 12 20 57011 0.0541 0.2412 -0.45693 2014 12 21 57012 0.0522 0.2419 -0.45783 2014 12 22 57013 0.0503 0.2427 -0.45873 2014 12 23 57014 0.0484 0.2434 -0.45965 2014 12 24 57015 0.0465 0.2442 -0.46067 2014 12 25 57016 0.0446 0.2450 -0.46181 2014 12 26 57017 0.0428 0.2458 -0.46308 2014 12 27 57018 0.0409 0.2467 -0.46444 2014 12 28 57019 0.0391 0.2476 -0.46583 2014 12 29 57020 0.0373 0.2485 -0.46718 2014 12 30 57021 0.0355 0.2495 -0.46843 2014 12 31 57022 0.0337 0.2505 -0.46955 2015 1 1 57023 0.0320 0.2515 -0.47051 2015 1 2 57024 0.0302 0.2525 -0.47132 2015 1 3 57025 0.0285 0.2536 -0.47201 2015 1 4 57026 0.0268 0.2547 -0.47264 2015 1 5 57027 0.0251 0.2558 -0.47323 2015 1 6 57028 0.0235 0.2570 -0.47384 2015 1 7 57029 0.0218 0.2581 -0.47450 2015 1 8 57030 0.0202 0.2593 -0.47522 2015 1 9 57031 0.0186 0.2606 -0.47601 2015 1 10 57032 0.0170 0.2618 -0.47687 2015 1 11 57033 0.0154 0.2631 -0.47779 2015 1 12 57034 0.0139 0.2644 -0.47875 2015 1 13 57035 0.0124 0.2657 -0.47973 2015 1 14 57036 0.0109 0.2671 -0.48069 2015 1 15 57037 0.0094 0.2685 -0.48164 2015 1 16 57038 0.0080 0.2699 -0.48257 2015 1 17 57039 0.0065 0.2713 -0.48348 2015 1 18 57040 0.0051 0.2728 -0.48439 2015 1 19 57041 0.0038 0.2742 -0.48536 2015 1 20 57042 0.0024 0.2757 -0.48644 2015 1 21 57043 0.0011 0.2772 -0.48768 2015 1 22 57044 -0.0002 0.2788 -0.48911 2015 1 23 57045 -0.0014 0.2803 -0.49071 2015 1 24 57046 -0.0027 0.2819 -0.49242 2015 1 25 57047 -0.0039 0.2835 -0.49414 2015 1 26 57048 -0.0051 0.2851 -0.49580 2015 1 27 57049 -0.0062 0.2868 -0.49731 2015 1 28 57050 -0.0073 0.2884 -0.49865 2015 1 29 57051 -0.0084 0.2901 -0.49980 2015 1 30 57052 -0.0095 0.2918 -0.50080 2015 1 31 57053 -0.0105 0.2935 -0.50167 2015 2 1 57054 -0.0115 0.2953 -0.50248 2015 2 2 57055 -0.0125 0.2970 -0.50327 2015 2 3 57056 -0.0134 0.2988 -0.50409 2015 2 4 57057 -0.0143 0.3006 -0.50497 2015 2 5 57058 -0.0152 0.3023 -0.50592 2015 2 6 57059 -0.0160 0.3042 -0.50695 2015 2 7 57060 -0.0168 0.3060 -0.50803 2015 2 8 57061 -0.0176 0.3078 -0.50912 2015 2 9 57062 -0.0184 0.3097 -0.51021 2015 2 10 57063 -0.0191 0.3115 -0.51131 2015 2 11 57064 -0.0197 0.3134 -0.51241 2015 2 12 57065 -0.0204 0.3153 -0.51348 2015 2 13 57066 -0.0210 0.3172 -0.51454 2015 2 14 57067 -0.0216 0.3191 -0.51558 2015 2 15 57068 -0.0221 0.3210 -0.51667 2015 2 16 57069 -0.0226 0.3230 -0.51783 2015 2 17 57070 -0.0231 0.3249 -0.51918 2015 2 18 57071 -0.0235 0.3269 -0.52071 2015 2 19 57072 -0.0239 0.3288 -0.52242 2015 2 20 57073 -0.0243 0.3308 -0.52422 2015 2 21 57074 -0.0246 0.3328 -0.52612 2015 2 22 57075 -0.0249 0.3348 -0.52799 2015 2 23 57076 -0.0251 0.3367 -0.52973 2015 2 24 57077 -0.0254 0.3387 -0.53129 2015 2 25 57078 -0.0256 0.3407 -0.53273 2015 2 26 57079 -0.0257 0.3427 -0.53405 2015 2 27 57080 -0.0258 0.3448 -0.53519 2015 2 28 57081 -0.0259 0.3468 -0.53626 2015 3 1 57082 -0.0259 0.3488 -0.53735 2015 3 2 57083 -0.0259 0.3508 -0.53846 2015 3 3 57084 -0.0259 0.3528 -0.53961 2015 3 4 57085 -0.0258 0.3548 -0.54081 2015 3 5 57086 -0.0257 0.3568 -0.54204 2015 3 6 57087 -0.0256 0.3589 -0.54331 2015 3 7 57088 -0.0254 0.3609 -0.54465 2015 3 8 57089 -0.0252 0.3629 -0.54600 2015 3 9 57090 -0.0249 0.3649 -0.54731 2015 3 10 57091 -0.0246 0.3669 -0.54854 2015 3 11 57092 -0.0243 0.3689 -0.54969 2015 3 12 57093 -0.0239 0.3710 -0.55078 2015 3 13 57094 -0.0235 0.3730 -0.55186 2015 3 14 57095 -0.0231 0.3750 -0.55301 2015 3 15 57096 -0.0226 0.3770 -0.55426 2015 3 16 57097 -0.0221 0.3789 -0.55568 2015 3 17 57098 -0.0215 0.3809 -0.55721 2015 3 18 57099 -0.0209 0.3829 -0.55889 2015 3 19 57100 -0.0203 0.3849 -0.56069 2015 3 20 57101 -0.0196 0.3868 -0.56262 2015 3 21 57102 -0.0190 0.3888 -0.56469 2015 3 22 57103 -0.0182 0.3907 -0.56676 2015 3 23 57104 -0.0175 0.3927 -0.56868 2015 3 24 57105 -0.0167 0.3946 -0.57045 2015 3 25 57106 -0.0158 0.3965 -0.57199 2015 3 26 57107 -0.0149 0.3984 -0.57338 2015 3 27 57108 -0.0140 0.4003 -0.57469 2015 3 28 57109 -0.0131 0.4022 -0.57588 2015 3 29 57110 -0.0121 0.4040 -0.57699 2015 3 30 57111 -0.0111 0.4059 -0.57813 2015 3 31 57112 -0.0101 0.4077 -0.57932 2015 4 1 57113 -0.0090 0.4096 -0.58058 2015 4 2 57114 -0.0079 0.4114 -0.58193 2015 4 3 57115 -0.0067 0.4132 -0.58337 2015 4 4 57116 -0.0056 0.4149 -0.58484 2015 4 5 57117 -0.0043 0.4167 -0.58628 2015 4 6 57118 -0.0031 0.4184 -0.58769 2015 4 7 57119 -0.0018 0.4202 -0.58905 2015 4 8 57120 -0.0005 0.4219 -0.59034 2015 4 9 57121 0.0008 0.4236 -0.59157 2015 4 10 57122 0.0022 0.4252 -0.59284 2015 4 11 57123 0.0036 0.4269 -0.59413 2015 4 12 57124 0.0050 0.4285 -0.59552 2015 4 13 57125 0.0065 0.4301 -0.59702 2015 4 14 57126 0.0080 0.4317 -0.59863 2015 4 15 57127 0.0095 0.4333 -0.60039 2015 4 16 57128 0.0111 0.4348 -0.60225 2015 4 17 57129 0.0126 0.4364 -0.60416 2015 4 18 57130 0.0142 0.4379 -0.60602 2015 4 19 57131 0.0159 0.4393 -0.60783 2015 4 20 57132 0.0175 0.4408 -0.60946 2015 4 21 57133 0.0192 0.4422 -0.61091 2015 4 22 57134 0.0209 0.4436 -0.61223 2015 4 23 57135 0.0227 0.4450 -0.61344 2015 4 24 57136 0.0245 0.4464 -0.61464 2015 4 25 57137 0.0262 0.4477 -0.61589 2015 4 26 57138 0.0281 0.4490 -0.61719 2015 4 27 57139 0.0299 0.4503 -0.61852 2015 4 28 57140 0.0318 0.4515 -0.61982 2015 4 29 57141 0.0337 0.4527 -0.62111 2015 4 30 57142 0.0356 0.4539 -0.62241 2015 5 1 57143 0.0375 0.4551 -0.62373 2015 5 2 57144 0.0395 0.4562 -0.62509 2015 5 3 57145 0.0414 0.4574 -0.62642 2015 5 4 57146 0.0434 0.4584 -0.62767 2015 5 5 57147 0.0455 0.4595 -0.62880 2015 5 6 57148 0.0475 0.4605 -0.62984 2015 5 7 57149 0.0496 0.4615 -0.63082 2015 5 8 57150 0.0516 0.4625 -0.63176 2015 5 9 57151 0.0537 0.4634 -0.63274 2015 5 10 57152 0.0558 0.4643 -0.63383 2015 5 11 57153 0.0580 0.4651 -0.63505 2015 5 12 57154 0.0601 0.4660 -0.63638 2015 5 13 57155 0.0623 0.4668 -0.63786 2015 5 14 57156 0.0645 0.4676 -0.63945 2015 5 15 57157 0.0666 0.4683 -0.64106 2015 5 16 57158 0.0689 0.4690 -0.64259 2015 5 17 57159 0.0711 0.4697 -0.64395 2015 5 18 57160 0.0733 0.4703 -0.64513 2015 5 19 57161 0.0756 0.4709 -0.64615 2015 5 20 57162 0.0778 0.4715 -0.64705 2015 5 21 57163 0.0801 0.4720 -0.64785 2015 5 22 57164 0.0824 0.4725 -0.64864 2015 5 23 57165 0.0846 0.4730 -0.64943 2015 5 24 57166 0.0869 0.4734 -0.65026 2015 5 25 57167 0.0892 0.4738 -0.65110 2015 5 26 57168 0.0916 0.4742 -0.65199 2015 5 27 57169 0.0939 0.4745 -0.65289 2015 5 28 57170 0.0962 0.4748 -0.65375 2015 5 29 57171 0.0985 0.4751 -0.65459 2015 5 30 57172 0.1009 0.4753 -0.65538 2015 5 31 57173 0.1032 0.4755 -0.65616 2015 6 1 57174 0.1056 0.4757 -0.65692 2015 6 2 57175 0.1079 0.4758 -0.65763 2015 6 3 57176 0.1103 0.4759 -0.65831 2015 6 4 57177 0.1126 0.4759 -0.65894 2015 6 5 57178 0.1150 0.4759 -0.65955 2015 6 6 57179 0.1174 0.4759 -0.66019 2015 6 7 57180 0.1197 0.4759 -0.66093 2015 6 8 57181 0.1221 0.4758 -0.66176 2015 6 9 57182 0.1244 0.4756 -0.66269 2015 6 10 57183 0.1268 0.4755 -0.66373 2015 6 11 57184 0.1292 0.4753 -0.66482 2015 6 12 57185 0.1315 0.4750 -0.66584 2015 6 13 57186 0.1339 0.4747 -0.66675 2015 6 14 57187 0.1362 0.4744 -0.66754 2015 6 15 57188 0.1385 0.4741 -0.66820 2015 6 16 57189 0.1409 0.4737 -0.66876 2015 6 17 57190 0.1432 0.4733 -0.66921 2015 6 18 57191 0.1455 0.4728 -0.66961 2015 6 19 57192 0.1478 0.4724 -0.67000 2015 6 20 57193 0.1502 0.4718 -0.67043 2015 6 21 57194 0.1524 0.4713 -0.67091 2015 6 22 57195 0.1547 0.4707 -0.67141 2015 6 23 57196 0.1570 0.4701 -0.67193 2015 6 24 57197 0.1593 0.4694 -0.67246 2015 6 25 57198 0.1615 0.4687 -0.67296 2015 6 26 57199 0.1638 0.4680 -0.67342 2015 6 27 57200 0.1660 0.4672 -0.67381 2015 6 28 57201 0.1682 0.4664 -0.67412 2015 6 29 57202 0.1704 0.4656 -0.67437 2015 6 30 57203 0.1726 0.4647 -0.67456 2015 7 1 57204 0.1748 0.4638 -0.67475 2015 7 2 57205 0.1770 0.4628 -0.67499 2015 7 3 57206 0.1791 0.4619 -0.67532 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) 56808 -80.59 0.30 -13.85 0.05 56809 -80.59 0.11 -13.88 0.06 56810 -80.66 0.11 -13.99 0.06 56811 -80.81 0.30 -14.12 0.15 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 56779 -79.6 -13.7 56780 -79.7 -13.6 56781 -79.7 -13.7 56782 -79.7 -13.9 56783 -79.6 -14.1 56784 -78.7 -14.2 56785 -78.8 -14.2 56786 -79.4 -14.1 56787 -79.6 -14.1 56788 -80.0 -14.1 56789 -79.8 -14.1 56790 -80.6 -13.8 56791 -80.1 -13.8 56792 -80.0 -13.9 56793 -80.0 -14.3 56794 -79.9 -14.5 56795 -80.0 -14.5 56796 -80.1 -14.2 56797 -80.5 -14.0 56798 -80.6 -13.9 56799 -80.5 -13.9 56800 -80.3 -13.8 56801 -80.6 -13.7 56802 -80.7 -13.6 56803 -81.0 -13.6 56804 -81.4 -13.7 56805 -80.8 -13.9 56806 -80.6 -13.9 56807 -80.4 -13.9 56808 -81.3 -13.7 56809 -81.3 -13.8 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56808 0.328 0.119 -0.192 0.050 56809 0.324 0.044 -0.196 0.060 56810 0.313 0.044 -0.197 0.060 56811 0.293 0.119 -0.196 0.150 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 56779 0.04 -0.06 56780 0.01 -0.05 56781 0.04 -0.08 56782 0.05 -0.08 56783 0.05 -0.10 56784 0.34 -0.12 56785 0.25 -0.14 56786 0.02 -0.07 56787 0.04 -0.07 56788 0.04 -0.09 56789 0.26 -0.22 56790 0.02 -0.10 56791 0.23 -0.20 56792 0.24 -0.16 56793 0.19 -0.27 56794 0.20 -0.25 56795 0.18 -0.29 56796 0.23 -0.23 56797 0.19 -0.27 56798 0.23 -0.27 56799 0.25 -0.26 56800 0.22 -0.16 56801 0.02 -0.11 56802 0.02 -0.08 56803 0.05 -0.08 56804 0.04 -0.11 56805 0.34 -0.22 56806 0.40 -0.18 56807 0.43 -0.20 56808 0.05 -0.04 56809 0.04 -0.12 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).