********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 31 July 2014 Vol. XXVII No. 031 ______________________________________________________________________ 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 7 25 56863 0.18999 .00009 0.38818 .00009 -0.313138 0.000014 14 7 26 56864 0.19039 .00009 0.38705 .00009 -0.313181 0.000023 14 7 27 56865 0.19101 .00009 0.38597 .00009 -0.313279 0.000021 14 7 28 56866 0.19199 .00009 0.38498 .00009 -0.313428 0.000019 14 7 29 56867 0.19314 .00009 0.38400 .00009 -0.313694 0.000019 14 7 30 56868 0.19409 .00009 0.38294 .00009 -0.314105 0.000065 14 7 31 56869 0.19471 .00009 0.38178 .00009 -0.314548 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 = 0.0922 + 0.0697 cos A + 0.0394 sin A + 0.0247 cos C - 0.0208 sin C y = 0.3644 + 0.0379 cos A - 0.0674 sin A - 0.0208 cos C - 0.0247 sin C UT1-UTC = -0.3388 - 0.00101 (MJD - 56877) - (UT2-UT1) where A = 2*pi*(MJD-56869)/365.25 and C = 2*pi*(MJD-56869)/435. TAI-UTC(MJD 56870) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56869)**0.80 S t = 0.00025 (MJD-56869)**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 8 1 56870 0.1953 0.3805 -0.31497 2014 8 2 56871 0.1958 0.3792 -0.31535 2014 8 3 56872 0.1963 0.3778 -0.31566 2014 8 4 56873 0.1968 0.3764 -0.31590 2014 8 5 56874 0.1974 0.3751 -0.31605 2014 8 6 56875 0.1981 0.3737 -0.31615 2014 8 7 56876 0.1987 0.3724 -0.31622 2014 8 8 56877 0.1993 0.3710 -0.31634 2014 8 9 56878 0.1999 0.3697 -0.31656 2014 8 10 56879 0.2004 0.3684 -0.31698 2014 8 11 56880 0.2010 0.3670 -0.31761 2014 8 12 56881 0.2014 0.3656 -0.31845 2014 8 13 56882 0.2019 0.3641 -0.31944 2014 8 14 56883 0.2024 0.3627 -0.32043 2014 8 15 56884 0.2028 0.3612 -0.32134 2014 8 16 56885 0.2033 0.3598 -0.32211 2014 8 17 56886 0.2037 0.3583 -0.32273 2014 8 18 56887 0.2040 0.3569 -0.32321 2014 8 19 56888 0.2044 0.3554 -0.32359 2014 8 20 56889 0.2047 0.3539 -0.32392 2014 8 21 56890 0.2050 0.3524 -0.32425 2014 8 22 56891 0.2052 0.3509 -0.32461 2014 8 23 56892 0.2055 0.3494 -0.32503 2014 8 24 56893 0.2057 0.3479 -0.32552 2014 8 25 56894 0.2059 0.3463 -0.32610 2014 8 26 56895 0.2060 0.3448 -0.32678 2014 8 27 56896 0.2062 0.3433 -0.32755 2014 8 28 56897 0.2063 0.3417 -0.32837 2014 8 29 56898 0.2063 0.3402 -0.32923 2014 8 30 56899 0.2064 0.3386 -0.33009 2014 8 31 56900 0.2064 0.3371 -0.33093 2014 9 1 56901 0.2064 0.3355 -0.33174 2014 9 2 56902 0.2064 0.3340 -0.33252 2014 9 3 56903 0.2063 0.3324 -0.33329 2014 9 4 56904 0.2062 0.3309 -0.33409 2014 9 5 56905 0.2061 0.3293 -0.33499 2014 9 6 56906 0.2059 0.3277 -0.33603 2014 9 7 56907 0.2057 0.3262 -0.33726 2014 9 8 56908 0.2055 0.3246 -0.33866 2014 9 9 56909 0.2053 0.3231 -0.34019 2014 9 10 56910 0.2050 0.3215 -0.34176 2014 9 11 56911 0.2047 0.3199 -0.34327 2014 9 12 56912 0.2043 0.3184 -0.34464 2014 9 13 56913 0.2040 0.3168 -0.34584 2014 9 14 56914 0.2036 0.3153 -0.34687 2014 9 15 56915 0.2032 0.3138 -0.34775 2014 9 16 56916 0.2027 0.3122 -0.34856 2014 9 17 56917 0.2022 0.3107 -0.34932 2014 9 18 56918 0.2017 0.3092 -0.35010 2014 9 19 56919 0.2012 0.3077 -0.35092 2014 9 20 56920 0.2006 0.3061 -0.35181 2014 9 21 56921 0.2000 0.3046 -0.35278 2014 9 22 56922 0.1994 0.3031 -0.35386 2014 9 23 56923 0.1987 0.3017 -0.35502 2014 9 24 56924 0.1980 0.3002 -0.35625 2014 9 25 56925 0.1973 0.2987 -0.35752 2014 9 26 56926 0.1965 0.2972 -0.35879 2014 9 27 56927 0.1958 0.2958 -0.36004 2014 9 28 56928 0.1950 0.2943 -0.36124 2014 9 29 56929 0.1941 0.2929 -0.36239 2014 9 30 56930 0.1933 0.2915 -0.36350 2014 10 1 56931 0.1924 0.2901 -0.36461 2014 10 2 56932 0.1915 0.2887 -0.36577 2014 10 3 56933 0.1905 0.2873 -0.36705 2014 10 4 56934 0.1895 0.2859 -0.36847 2014 10 5 56935 0.1885 0.2846 -0.37006 2014 10 6 56936 0.1875 0.2832 -0.37180 2014 10 7 56937 0.1865 0.2819 -0.37364 2014 10 8 56938 0.1854 0.2806 -0.37548 2014 10 9 56939 0.1843 0.2793 -0.37724 2014 10 10 56940 0.1831 0.2780 -0.37886 2014 10 11 56941 0.1820 0.2767 -0.38030 2014 10 12 56942 0.1808 0.2755 -0.38157 2014 10 13 56943 0.1796 0.2743 -0.38272 2014 10 14 56944 0.1784 0.2730 -0.38379 2014 10 15 56945 0.1771 0.2719 -0.38483 2014 10 16 56946 0.1758 0.2707 -0.38589 2014 10 17 56947 0.1745 0.2695 -0.38700 2014 10 18 56948 0.1732 0.2684 -0.38816 2014 10 19 56949 0.1719 0.2672 -0.38940 2014 10 20 56950 0.1705 0.2661 -0.39072 2014 10 21 56951 0.1691 0.2651 -0.39208 2014 10 22 56952 0.1677 0.2640 -0.39348 2014 10 23 56953 0.1662 0.2630 -0.39489 2014 10 24 56954 0.1648 0.2619 -0.39627 2014 10 25 56955 0.1633 0.2609 -0.39761 2014 10 26 56956 0.1618 0.2600 -0.39887 2014 10 27 56957 0.1603 0.2590 -0.40008 2014 10 28 56958 0.1587 0.2581 -0.40126 2014 10 29 56959 0.1572 0.2572 -0.40246 2014 10 30 56960 0.1556 0.2563 -0.40373 2014 10 31 56961 0.1540 0.2554 -0.40512 2014 11 1 56962 0.1524 0.2546 -0.40666 2014 11 2 56963 0.1508 0.2538 -0.40834 2014 11 3 56964 0.1491 0.2530 -0.41012 2014 11 4 56965 0.1475 0.2522 -0.41194 2014 11 5 56966 0.1458 0.2515 -0.41372 2014 11 6 56967 0.1441 0.2508 -0.41538 2014 11 7 56968 0.1424 0.2501 -0.41688 2014 11 8 56969 0.1406 0.2494 -0.41821 2014 11 9 56970 0.1389 0.2488 -0.41939 2014 11 10 56971 0.1372 0.2482 -0.42048 2014 11 11 56972 0.1354 0.2476 -0.42151 2014 11 12 56973 0.1336 0.2470 -0.42254 2014 11 13 56974 0.1318 0.2465 -0.42360 2014 11 14 56975 0.1300 0.2460 -0.42471 2014 11 15 56976 0.1282 0.2455 -0.42589 2014 11 16 56977 0.1264 0.2451 -0.42714 2014 11 17 56978 0.1246 0.2446 -0.42852 2014 11 18 56979 0.1227 0.2442 -0.42994 2014 11 19 56980 0.1209 0.2439 -0.43136 2014 11 20 56981 0.1190 0.2435 -0.43277 2014 11 21 56982 0.1171 0.2432 -0.43413 2014 11 22 56983 0.1153 0.2429 -0.43543 2014 11 23 56984 0.1134 0.2427 -0.43665 2014 11 24 56985 0.1115 0.2425 -0.43783 2014 11 25 56986 0.1096 0.2423 -0.43899 2014 11 26 56987 0.1077 0.2421 -0.44020 2014 11 27 56988 0.1058 0.2420 -0.44150 2014 11 28 56989 0.1039 0.2419 -0.44292 2014 11 29 56990 0.1020 0.2418 -0.44447 2014 11 30 56991 0.1001 0.2418 -0.44609 2014 12 1 56992 0.0981 0.2417 -0.44775 2014 12 2 56993 0.0962 0.2417 -0.44937 2014 12 3 56994 0.0943 0.2418 -0.45089 2014 12 4 56995 0.0924 0.2419 -0.45228 2014 12 5 56996 0.0905 0.2420 -0.45351 2014 12 6 56997 0.0885 0.2421 -0.45460 2014 12 7 56998 0.0866 0.2423 -0.45558 2014 12 8 56999 0.0847 0.2424 -0.45650 2014 12 9 57000 0.0828 0.2427 -0.45740 2014 12 10 57001 0.0809 0.2429 -0.45831 2014 12 11 57002 0.0790 0.2432 -0.45927 2014 12 12 57003 0.0771 0.2435 -0.46029 2014 12 13 57004 0.0752 0.2439 -0.46136 2014 12 14 57005 0.0733 0.2442 -0.46249 2014 12 15 57006 0.0714 0.2446 -0.46367 2014 12 16 57007 0.0695 0.2451 -0.46485 2014 12 17 57008 0.0676 0.2455 -0.46603 2014 12 18 57009 0.0657 0.2460 -0.46717 2014 12 19 57010 0.0639 0.2465 -0.46826 2014 12 20 57011 0.0620 0.2471 -0.46929 2014 12 21 57012 0.0602 0.2476 -0.47026 2014 12 22 57013 0.0583 0.2482 -0.47123 2014 12 23 57014 0.0565 0.2489 -0.47222 2014 12 24 57015 0.0547 0.2495 -0.47331 2014 12 25 57016 0.0529 0.2502 -0.47453 2014 12 26 57017 0.0511 0.2510 -0.47588 2014 12 27 57018 0.0493 0.2517 -0.47732 2014 12 28 57019 0.0475 0.2525 -0.47879 2014 12 29 57020 0.0458 0.2533 -0.48023 2014 12 30 57021 0.0440 0.2541 -0.48157 2014 12 31 57022 0.0423 0.2550 -0.48277 2015 1 1 57023 0.0406 0.2559 -0.48382 2015 1 2 57024 0.0389 0.2568 -0.48474 2015 1 3 57025 0.0372 0.2577 -0.48554 2015 1 4 57026 0.0355 0.2587 -0.48627 2015 1 5 57027 0.0339 0.2597 -0.48697 2015 1 6 57028 0.0322 0.2607 -0.48769 2015 1 7 57029 0.0306 0.2618 -0.48846 2015 1 8 57030 0.0290 0.2628 -0.48929 2015 1 9 57031 0.0274 0.2639 -0.49018 2015 1 10 57032 0.0259 0.2651 -0.49114 2015 1 11 57033 0.0243 0.2662 -0.49214 2015 1 12 57034 0.0228 0.2674 -0.49318 2015 1 13 57035 0.0213 0.2686 -0.49421 2015 1 14 57036 0.0199 0.2698 -0.49522 2015 1 15 57037 0.0184 0.2711 -0.49620 2015 1 16 57038 0.0170 0.2723 -0.49713 2015 1 17 57039 0.0156 0.2736 -0.49802 2015 1 18 57040 0.0142 0.2749 -0.49890 2015 1 19 57041 0.0128 0.2763 -0.49981 2015 1 20 57042 0.0115 0.2777 -0.50082 2015 1 21 57043 0.0102 0.2790 -0.50197 2015 1 22 57044 0.0089 0.2804 -0.50329 2015 1 23 57045 0.0076 0.2819 -0.50475 2015 1 24 57046 0.0064 0.2833 -0.50628 2015 1 25 57047 0.0051 0.2848 -0.50780 2015 1 26 57048 0.0040 0.2863 -0.50923 2015 1 27 57049 0.0028 0.2878 -0.51052 2015 1 28 57050 0.0017 0.2893 -0.51163 2015 1 29 57051 0.0006 0.2909 -0.51259 2015 1 30 57052 -0.0005 0.2924 -0.51342 2015 1 31 57053 -0.0016 0.2940 -0.51416 2015 2 1 57054 -0.0026 0.2956 -0.51485 2015 2 2 57055 -0.0036 0.2972 -0.51554 2015 2 3 57056 -0.0045 0.2989 -0.51626 2015 2 4 57057 -0.0055 0.3005 -0.51702 2015 2 5 57058 -0.0064 0.3022 -0.51784 2015 2 6 57059 -0.0072 0.3039 -0.51871 2015 2 7 57060 -0.0081 0.3056 -0.51963 2015 2 8 57061 -0.0089 0.3073 -0.52060 2015 2 9 57062 -0.0097 0.3090 -0.52159 2015 2 10 57063 -0.0104 0.3107 -0.52259 2015 2 11 57064 -0.0111 0.3125 -0.52358 2015 2 12 57065 -0.0118 0.3143 -0.52455 2015 2 13 57066 -0.0125 0.3160 -0.52548 2015 2 14 57067 -0.0131 0.3178 -0.52641 2015 2 15 57068 -0.0137 0.3196 -0.52735 2015 2 16 57069 -0.0142 0.3214 -0.52836 2015 2 17 57070 -0.0148 0.3233 -0.52952 2015 2 18 57071 -0.0153 0.3251 -0.53088 2015 2 19 57072 -0.0157 0.3269 -0.53245 2015 2 20 57073 -0.0161 0.3288 -0.53419 2015 2 21 57074 -0.0165 0.3306 -0.53604 2015 2 22 57075 -0.0169 0.3325 -0.53788 2015 2 23 57076 -0.0172 0.3344 -0.53963 2015 2 24 57077 -0.0175 0.3363 -0.54124 2015 2 25 57078 -0.0177 0.3381 -0.54271 2015 2 26 57079 -0.0179 0.3400 -0.54403 2015 2 27 57080 -0.0181 0.3419 -0.54526 2015 2 28 57081 -0.0183 0.3438 -0.54641 2015 3 1 57082 -0.0184 0.3457 -0.54753 2015 3 2 57083 -0.0184 0.3476 -0.54865 2015 3 3 57084 -0.0185 0.3495 -0.54980 2015 3 4 57085 -0.0185 0.3515 -0.55101 2015 3 5 57086 -0.0185 0.3534 -0.55226 2015 3 6 57087 -0.0184 0.3553 -0.55358 2015 3 7 57088 -0.0183 0.3572 -0.55495 2015 3 8 57089 -0.0182 0.3591 -0.55632 2015 3 9 57090 -0.0180 0.3610 -0.55770 2015 3 10 57091 -0.0178 0.3630 -0.55907 2015 3 11 57092 -0.0175 0.3649 -0.56043 2015 3 12 57093 -0.0173 0.3668 -0.56175 2015 3 13 57094 -0.0170 0.3687 -0.56305 2015 3 14 57095 -0.0166 0.3706 -0.56444 2015 3 15 57096 -0.0162 0.3725 -0.56592 2015 3 16 57097 -0.0158 0.3744 -0.56755 2015 3 17 57098 -0.0154 0.3763 -0.56942 2015 3 18 57099 -0.0149 0.3782 -0.57153 2015 3 19 57100 -0.0143 0.3801 -0.57384 2015 3 20 57101 -0.0138 0.3819 -0.57623 2015 3 21 57102 -0.0132 0.3838 -0.57861 2015 3 22 57103 -0.0126 0.3857 -0.58086 2015 3 23 57104 -0.0119 0.3875 -0.58294 2015 3 24 57105 -0.0112 0.3894 -0.58483 2015 3 25 57106 -0.0105 0.3912 -0.58651 2015 3 26 57107 -0.0097 0.3930 -0.58802 2015 3 27 57108 -0.0089 0.3948 -0.58939 2015 3 28 57109 -0.0081 0.3967 -0.59068 2015 3 29 57110 -0.0072 0.3984 -0.59194 2015 3 30 57111 -0.0063 0.4002 -0.59320 2015 3 31 57112 -0.0054 0.4020 -0.59454 2015 4 1 57113 -0.0044 0.4038 -0.59595 2015 4 2 57114 -0.0034 0.4055 -0.59742 2015 4 3 57115 -0.0024 0.4072 -0.59895 2015 4 4 57116 -0.0013 0.4090 -0.60045 2015 4 5 57117 -0.0002 0.4107 -0.60192 2015 4 6 57118 0.0009 0.4123 -0.60333 2015 4 7 57119 0.0021 0.4140 -0.60472 2015 4 8 57120 0.0032 0.4157 -0.60607 2015 4 9 57121 0.0045 0.4173 -0.60737 2015 4 10 57122 0.0057 0.4189 -0.60865 2015 4 11 57123 0.0070 0.4205 -0.60994 2015 4 12 57124 0.0083 0.4221 -0.61133 2015 4 13 57125 0.0097 0.4237 -0.61282 2015 4 14 57126 0.0110 0.4252 -0.61451 2015 4 15 57127 0.0124 0.4268 -0.61637 2015 4 16 57128 0.0138 0.4283 -0.61836 2015 4 17 57129 0.0153 0.4298 -0.62037 2015 4 18 57130 0.0168 0.4312 -0.62241 2015 4 19 57131 0.0183 0.4327 -0.62434 2015 4 20 57132 0.0198 0.4341 -0.62609 2015 4 21 57133 0.0214 0.4355 -0.62765 2015 4 22 57134 0.0230 0.4369 -0.62909 2015 4 23 57135 0.0246 0.4382 -0.63043 2015 4 24 57136 0.0263 0.4396 -0.63163 2015 4 25 57137 0.0279 0.4409 -0.63279 2015 4 26 57138 0.0296 0.4421 -0.63397 2015 4 27 57139 0.0313 0.4434 -0.63518 2015 4 28 57140 0.0331 0.4446 -0.63641 2015 4 29 57141 0.0348 0.4458 -0.63766 2015 4 30 57142 0.0366 0.4470 -0.63890 2015 5 1 57143 0.0384 0.4482 -0.64011 2015 5 2 57144 0.0403 0.4493 -0.64134 2015 5 3 57145 0.0421 0.4504 -0.64252 2015 5 4 57146 0.0440 0.4515 -0.64361 2015 5 5 57147 0.0459 0.4525 -0.64457 2015 5 6 57148 0.0478 0.4536 -0.64542 2015 5 7 57149 0.0497 0.4545 -0.64620 2015 5 8 57150 0.0517 0.4555 -0.64698 2015 5 9 57151 0.0536 0.4564 -0.64785 2015 5 10 57152 0.0556 0.4573 -0.64887 2015 5 11 57153 0.0576 0.4582 -0.65006 2015 5 12 57154 0.0597 0.4591 -0.65133 2015 5 13 57155 0.0617 0.4599 -0.65268 2015 5 14 57156 0.0638 0.4607 -0.65405 2015 5 15 57157 0.0658 0.4614 -0.65544 2015 5 16 57158 0.0679 0.4621 -0.65687 2015 5 17 57159 0.0700 0.4628 -0.65823 2015 5 18 57160 0.0721 0.4635 -0.65943 2015 5 19 57161 0.0742 0.4641 -0.66048 2015 5 20 57162 0.0764 0.4647 -0.66134 2015 5 21 57163 0.0785 0.4653 -0.66209 2015 5 22 57164 0.0807 0.4658 -0.66280 2015 5 23 57165 0.0828 0.4663 -0.66342 2015 5 24 57166 0.0850 0.4668 -0.66398 2015 5 25 57167 0.0872 0.4672 -0.66456 2015 5 26 57168 0.0894 0.4676 -0.66517 2015 5 27 57169 0.0916 0.4680 -0.66581 2015 5 28 57170 0.0938 0.4683 -0.66650 2015 5 29 57171 0.0961 0.4686 -0.66722 2015 5 30 57172 0.0983 0.4689 -0.66792 2015 5 31 57173 0.1005 0.4691 -0.66853 2015 6 1 57174 0.1027 0.4693 -0.66908 2015 6 2 57175 0.1050 0.4695 -0.66956 2015 6 3 57176 0.1072 0.4696 -0.66996 2015 6 4 57177 0.1095 0.4697 -0.67033 2015 6 5 57178 0.1117 0.4698 -0.67079 2015 6 6 57179 0.1140 0.4698 -0.67132 2015 6 7 57180 0.1162 0.4698 -0.67198 2015 6 8 57181 0.1185 0.4698 -0.67277 2015 6 9 57182 0.1208 0.4697 -0.67362 2015 6 10 57183 0.1230 0.4696 -0.67451 2015 6 11 57184 0.1253 0.4695 -0.67538 2015 6 12 57185 0.1275 0.4693 -0.67617 2015 6 13 57186 0.1298 0.4691 -0.67682 2015 6 14 57187 0.1320 0.4689 -0.67737 2015 6 15 57188 0.1343 0.4686 -0.67775 2015 6 16 57189 0.1365 0.4683 -0.67800 2015 6 17 57190 0.1387 0.4679 -0.67819 2015 6 18 57191 0.1410 0.4675 -0.67833 2015 6 19 57192 0.1432 0.4671 -0.67853 2015 6 20 57193 0.1454 0.4667 -0.67883 2015 6 21 57194 0.1476 0.4662 -0.67919 2015 6 22 57195 0.1498 0.4657 -0.67959 2015 6 23 57196 0.1520 0.4651 -0.67996 2015 6 24 57197 0.1542 0.4646 -0.68029 2015 6 25 57198 0.1563 0.4639 -0.68061 2015 6 26 57199 0.1585 0.4633 -0.68090 2015 6 27 57200 0.1607 0.4626 -0.68120 2015 6 28 57201 0.1628 0.4619 -0.68144 2015 6 29 57202 0.1649 0.4612 -0.68161 2015 6 30 57203 0.1670 0.4604 -0.68168 2015 7 1 57204 0.1691 0.4596 -0.68170 2015 7 2 57205 0.1712 0.4587 -0.68173 2015 7 3 57206 0.1733 0.4578 -0.68181 2015 7 4 57207 0.1754 0.4569 -0.68201 2015 7 5 57208 0.1774 0.4560 -0.68238 2015 7 6 57209 0.1794 0.4550 -0.68289 2015 7 7 57210 0.1814 0.4540 -0.68347 2015 7 8 57211 0.1834 0.4530 -0.68409 2015 7 9 57212 0.1854 0.4519 -0.68470 2015 7 10 57213 0.1873 0.4508 -0.68521 2015 7 11 57214 0.1893 0.4497 -0.68558 2015 7 12 57215 0.1912 0.4485 -0.68577 2015 7 13 57216 0.1931 0.4473 -0.68582 2015 7 14 57217 0.1950 0.4461 -0.68578 2015 7 15 57218 0.1968 0.4449 -0.68572 2015 7 16 57219 0.1986 0.4436 -0.68565 2015 7 17 57220 0.2004 0.4423 -0.68564 2015 7 18 57221 0.2022 0.4410 -0.68570 2015 7 19 57222 0.2040 0.4396 -0.68583 2015 7 20 57223 0.2057 0.4382 -0.68598 2015 7 21 57224 0.2074 0.4368 -0.68619 2015 7 22 57225 0.2091 0.4354 -0.68641 2015 7 23 57226 0.2108 0.4339 -0.68657 2015 7 24 57227 0.2124 0.4324 -0.68670 2015 7 25 57228 0.2140 0.4309 -0.68678 2015 7 26 57229 0.2156 0.4294 -0.68684 2015 7 27 57230 0.2172 0.4278 -0.68693 2015 7 28 57231 0.2187 0.4262 -0.68702 2015 7 29 57232 0.2202 0.4246 -0.68716 2015 7 30 57233 0.2217 0.4229 -0.68737 2015 7 31 57234 0.2231 0.4213 -0.68765 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) 56847 -87.62 0.13 -13.52 0.03 56848 -87.45 0.13 -13.45 0.03 56849 -87.23 0.13 -13.60 0.03 56850 -87.17 0.20 -13.78 0.05 56851 -87.28 0.20 -13.75 0.05 56852 -87.48 0.20 -13.50 0.05 56853 -87.76 0.30 -13.24 0.15 56854 -88.11 0.30 -13.14 0.15 56855 -88.52 0.30 -13.17 0.15 56856 -88.87 0.30 -13.26 0.15 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56847 0.130 0.052 -0.293 0.030 56848 0.163 0.052 -0.286 0.030 56849 0.173 0.052 -0.279 0.030 56850 0.162 0.080 -0.275 0.050 56851 0.151 0.080 -0.286 0.050 56852 0.167 0.080 -0.294 0.050 56853 0.189 0.119 -0.272 0.150 56854 0.200 0.119 -0.235 0.150 56855 0.193 0.119 -0.210 0.150 56856 0.179 0.119 -0.213 0.150 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).