********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 4 September 2014 Vol. XXVII No. 036 ______________________________________________________________________ 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 = -0.4 seconds beginning 25 Sep 2014 at 0000 UTC Beginning 1 July 2012: TAI-UTC = 35.000 000 seconds *********************************************************************** * * * Please note that at a date soon after Sept 15, 2014, the server * * maia.usno.navy.mil will be updated with new hardware and an updated * * operating system. The ability of users to access their EOP and * * other solutions from maia.usno.navy.mil will not change. This * * change should not cause any significant interruption in services. * * * * 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 8 29 56898 0.20911 .00009 0.34098 .00009 -0.325558 0.000008 14 8 30 56899 0.20940 .00009 0.33949 .00009 -0.326062 0.000009 14 8 31 56900 0.20958 .00009 0.33822 .00010 -0.326590 0.000007 14 9 1 56901 0.20964 .00009 0.33685 .00009 -0.327113 0.000065 14 9 2 56902 0.20960 .00009 0.33523 .00009 -0.327654 0.000065 14 9 3 56903 0.20932 .00009 0.33341 .00009 -0.328175 0.000065 14 9 4 56904 0.20899 .00009 0.33154 .00009 -0.328710 0.000055 IERS Final Values MJD x y UT1-UTC " " s 14 7 2 56840 0.1719 0.4138 -0.30223 14 7 3 56841 0.1732 0.4128 -0.30270 14 7 4 56842 0.1746 0.4117 -0.30323 14 7 5 56843 0.1755 0.4109 -0.30377 14 7 6 56844 0.1764 0.4099 -0.30427 14 7 7 56845 0.1770 0.4088 -0.30470 14 7 8 56846 0.1776 0.4077 -0.30505 14 7 9 56847 0.1784 0.4068 -0.30535 14 7 10 56848 0.1791 0.4059 -0.30564 14 7 11 56849 0.1801 0.4048 -0.30597 14 7 12 56850 0.1811 0.4037 -0.30638 14 7 13 56851 0.1820 0.4028 -0.30694 14 7 14 56852 0.1827 0.4017 -0.30766 14 7 15 56853 0.1832 0.4007 -0.30851 14 7 16 56854 0.1836 0.3992 -0.30943 14 7 17 56855 0.1842 0.3979 -0.31033 14 7 18 56856 0.1844 0.3962 -0.31116 14 7 19 56857 0.1854 0.3946 -0.31187 14 7 20 56858 0.1865 0.3932 -0.31243 14 7 21 56859 0.1878 0.3919 -0.31281 14 7 22 56860 0.1888 0.3911 -0.31301 14 7 23 56861 0.1893 0.3900 -0.31310 14 7 24 56862 0.1896 0.3893 -0.31314 14 7 25 56863 0.1900 0.3881 -0.31316 14 7 26 56864 0.1904 0.3871 -0.31319 14 7 27 56865 0.1910 0.3860 -0.31327 14 7 28 56866 0.1920 0.3850 -0.31342 14 7 29 56867 0.1931 0.3840 -0.31367 14 7 30 56868 0.1941 0.3829 -0.31403 14 7 31 56869 0.1947 0.3817 -0.31447 14 8 1 56870 0.1955 0.3802 -0.31492 _______________________________________________________________________ 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 = 0.1126 + 0.0686 cos A - 0.0053 sin A + 0.0247 cos C - 0.0254 sin C y = 0.3600 - 0.0017 cos A - 0.0638 sin A - 0.0254 cos C - 0.0247 sin C UT1-UTC = -0.3712 - 0.00101 (MJD - 56912) - (UT2-UT1) where A = 2*pi*(MJD-56904)/365.25 and C = 2*pi*(MJD-56904)/435. TAI-UTC(MJD 56905) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56904)**0.80 S t = 0.00025 (MJD-56904)**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 9 5 56905 0.2087 0.3297 -0.32928 2014 9 6 56906 0.2085 0.3279 -0.32997 2014 9 7 56907 0.2083 0.3262 -0.33084 2014 9 8 56908 0.2082 0.3246 -0.33190 2014 9 9 56909 0.2079 0.3230 -0.33309 2014 9 10 56910 0.2076 0.3214 -0.33431 2014 9 11 56911 0.2073 0.3198 -0.33543 2014 9 12 56912 0.2068 0.3182 -0.33642 2014 9 13 56913 0.2064 0.3165 -0.33724 2014 9 14 56914 0.2061 0.3149 -0.33794 2014 9 15 56915 0.2057 0.3132 -0.33854 2014 9 16 56916 0.2052 0.3116 -0.33908 2014 9 17 56917 0.2047 0.3100 -0.33961 2014 9 18 56918 0.2042 0.3084 -0.34017 2014 9 19 56919 0.2037 0.3068 -0.34078 2014 9 20 56920 0.2031 0.3052 -0.34145 2014 9 21 56921 0.2024 0.3037 -0.34220 2014 9 22 56922 0.2018 0.3021 -0.34304 2014 9 23 56923 0.2011 0.3006 -0.34399 2014 9 24 56924 0.2004 0.2990 -0.34503 2014 9 25 56925 0.1997 0.2975 -0.34614 2014 9 26 56926 0.1989 0.2959 -0.34726 2014 9 27 56927 0.1982 0.2944 -0.34836 2014 9 28 56928 0.1973 0.2929 -0.34941 2014 9 29 56929 0.1965 0.2915 -0.35040 2014 9 30 56930 0.1956 0.2900 -0.35135 2014 10 1 56931 0.1947 0.2885 -0.35229 2014 10 2 56932 0.1938 0.2871 -0.35330 2014 10 3 56933 0.1928 0.2856 -0.35444 2014 10 4 56934 0.1919 0.2842 -0.35575 2014 10 5 56935 0.1908 0.2828 -0.35727 2014 10 6 56936 0.1898 0.2814 -0.35896 2014 10 7 56937 0.1887 0.2800 -0.36077 2014 10 8 56938 0.1876 0.2786 -0.36261 2014 10 9 56939 0.1865 0.2773 -0.36438 2014 10 10 56940 0.1854 0.2760 -0.36602 2014 10 11 56941 0.1842 0.2746 -0.36750 2014 10 12 56942 0.1830 0.2733 -0.36884 2014 10 13 56943 0.1818 0.2720 -0.37008 2014 10 14 56944 0.1805 0.2708 -0.37125 2014 10 15 56945 0.1792 0.2695 -0.37240 2014 10 16 56946 0.1779 0.2683 -0.37358 2014 10 17 56947 0.1766 0.2671 -0.37481 2014 10 18 56948 0.1753 0.2659 -0.37613 2014 10 19 56949 0.1739 0.2647 -0.37753 2014 10 20 56950 0.1725 0.2636 -0.37902 2014 10 21 56951 0.1711 0.2625 -0.38058 2014 10 22 56952 0.1696 0.2614 -0.38217 2014 10 23 56953 0.1682 0.2603 -0.38379 2014 10 24 56954 0.1667 0.2592 -0.38538 2014 10 25 56955 0.1652 0.2582 -0.38693 2014 10 26 56956 0.1636 0.2571 -0.38842 2014 10 27 56957 0.1621 0.2561 -0.38986 2014 10 28 56958 0.1605 0.2552 -0.39126 2014 10 29 56959 0.1589 0.2542 -0.39267 2014 10 30 56960 0.1573 0.2533 -0.39416 2014 10 31 56961 0.1557 0.2524 -0.39575 2014 11 1 56962 0.1540 0.2515 -0.39749 2014 11 2 56963 0.1524 0.2507 -0.39935 2014 11 3 56964 0.1507 0.2498 -0.40132 2014 11 4 56965 0.1490 0.2490 -0.40331 2014 11 5 56966 0.1473 0.2483 -0.40526 2014 11 6 56967 0.1455 0.2475 -0.40710 2014 11 7 56968 0.1438 0.2468 -0.40877 2014 11 8 56969 0.1420 0.2461 -0.41029 2014 11 9 56970 0.1402 0.2454 -0.41166 2014 11 10 56971 0.1384 0.2448 -0.41294 2014 11 11 56972 0.1366 0.2442 -0.41417 2014 11 12 56973 0.1348 0.2436 -0.41539 2014 11 13 56974 0.1330 0.2430 -0.41663 2014 11 14 56975 0.1311 0.2425 -0.41792 2014 11 15 56976 0.1293 0.2420 -0.41929 2014 11 16 56977 0.1274 0.2415 -0.42072 2014 11 17 56978 0.1255 0.2410 -0.42222 2014 11 18 56979 0.1236 0.2406 -0.42375 2014 11 19 56980 0.1217 0.2402 -0.42528 2014 11 20 56981 0.1198 0.2399 -0.42680 2014 11 21 56982 0.1179 0.2395 -0.42828 2014 11 22 56983 0.1159 0.2392 -0.42968 2014 11 23 56984 0.1140 0.2390 -0.43102 2014 11 24 56985 0.1121 0.2387 -0.43230 2014 11 25 56986 0.1101 0.2385 -0.43356 2014 11 26 56987 0.1082 0.2383 -0.43486 2014 11 27 56988 0.1062 0.2382 -0.43624 2014 11 28 56989 0.1042 0.2381 -0.43774 2014 11 29 56990 0.1023 0.2380 -0.43935 2014 11 30 56991 0.1003 0.2379 -0.44104 2014 12 1 56992 0.0983 0.2379 -0.44277 2014 12 2 56993 0.0963 0.2379 -0.44445 2014 12 3 56994 0.0943 0.2379 -0.44603 2014 12 4 56995 0.0924 0.2380 -0.44747 2014 12 5 56996 0.0904 0.2381 -0.44875 2014 12 6 56997 0.0884 0.2382 -0.44988 2014 12 7 56998 0.0864 0.2384 -0.45089 2014 12 8 56999 0.0844 0.2386 -0.45184 2014 12 9 57000 0.0825 0.2388 -0.45276 2014 12 10 57001 0.0805 0.2390 -0.45368 2014 12 11 57002 0.0785 0.2393 -0.45464 2014 12 12 57003 0.0765 0.2396 -0.45565 2014 12 13 57004 0.0746 0.2400 -0.45672 2014 12 14 57005 0.0726 0.2403 -0.45784 2014 12 15 57006 0.0706 0.2408 -0.45900 2014 12 16 57007 0.0687 0.2412 -0.46018 2014 12 17 57008 0.0667 0.2417 -0.46135 2014 12 18 57009 0.0648 0.2422 -0.46248 2014 12 19 57010 0.0629 0.2427 -0.46357 2014 12 20 57011 0.0609 0.2432 -0.46460 2014 12 21 57012 0.0590 0.2438 -0.46558 2014 12 22 57013 0.0571 0.2444 -0.46658 2014 12 23 57014 0.0552 0.2451 -0.46761 2014 12 24 57015 0.0533 0.2458 -0.46874 2014 12 25 57016 0.0514 0.2465 -0.47001 2014 12 26 57017 0.0496 0.2472 -0.47140 2014 12 27 57018 0.0477 0.2480 -0.47289 2014 12 28 57019 0.0459 0.2488 -0.47441 2014 12 29 57020 0.0440 0.2496 -0.47590 2014 12 30 57021 0.0422 0.2505 -0.47729 2014 12 31 57022 0.0404 0.2514 -0.47855 2015 1 1 57023 0.0386 0.2523 -0.47965 2015 1 2 57024 0.0369 0.2532 -0.48062 2015 1 3 57025 0.0351 0.2542 -0.48148 2015 1 4 57026 0.0334 0.2552 -0.48227 2015 1 5 57027 0.0317 0.2562 -0.48303 2015 1 6 57028 0.0300 0.2573 -0.48382 2015 1 7 57029 0.0283 0.2584 -0.48465 2015 1 8 57030 0.0266 0.2595 -0.48554 2015 1 9 57031 0.0250 0.2606 -0.48650 2015 1 10 57032 0.0233 0.2618 -0.48752 2015 1 11 57033 0.0217 0.2630 -0.48859 2015 1 12 57034 0.0201 0.2642 -0.48968 2015 1 13 57035 0.0186 0.2654 -0.49078 2015 1 14 57036 0.0170 0.2667 -0.49185 2015 1 15 57037 0.0155 0.2680 -0.49289 2015 1 16 57038 0.0140 0.2693 -0.49388 2015 1 17 57039 0.0125 0.2706 -0.49484 2015 1 18 57040 0.0110 0.2720 -0.49578 2015 1 19 57041 0.0096 0.2734 -0.49676 2015 1 20 57042 0.0082 0.2748 -0.49783 2015 1 21 57043 0.0068 0.2763 -0.49905 2015 1 22 57044 0.0055 0.2777 -0.50044 2015 1 23 57045 0.0041 0.2792 -0.50197 2015 1 24 57046 0.0028 0.2807 -0.50358 2015 1 25 57047 0.0015 0.2822 -0.50518 2015 1 26 57048 0.0003 0.2838 -0.50670 2015 1 27 57049 -0.0009 0.2853 -0.50808 2015 1 28 57050 -0.0021 0.2869 -0.50930 2015 1 29 57051 -0.0033 0.2885 -0.51037 2015 1 30 57052 -0.0044 0.2902 -0.51132 2015 1 31 57053 -0.0056 0.2918 -0.51220 2015 2 1 57054 -0.0066 0.2935 -0.51305 2015 2 2 57055 -0.0077 0.2952 -0.51391 2015 2 3 57056 -0.0087 0.2969 -0.51482 2015 2 4 57057 -0.0097 0.2986 -0.51579 2015 2 5 57058 -0.0107 0.3003 -0.51685 2015 2 6 57059 -0.0116 0.3021 -0.51797 2015 2 7 57060 -0.0125 0.3039 -0.51915 2015 2 8 57061 -0.0134 0.3056 -0.52038 2015 2 9 57062 -0.0142 0.3074 -0.52161 2015 2 10 57063 -0.0150 0.3093 -0.52284 2015 2 11 57064 -0.0158 0.3111 -0.52403 2015 2 12 57065 -0.0165 0.3129 -0.52518 2015 2 13 57066 -0.0172 0.3148 -0.52630 2015 2 14 57067 -0.0179 0.3166 -0.52740 2015 2 15 57068 -0.0185 0.3185 -0.52852 2015 2 16 57069 -0.0191 0.3204 -0.52973 2015 2 17 57070 -0.0197 0.3223 -0.53108 2015 2 18 57071 -0.0203 0.3242 -0.53261 2015 2 19 57072 -0.0208 0.3262 -0.53434 2015 2 20 57073 -0.0212 0.3281 -0.53621 2015 2 21 57074 -0.0217 0.3300 -0.53814 2015 2 22 57075 -0.0221 0.3320 -0.54002 2015 2 23 57076 -0.0224 0.3339 -0.54179 2015 2 24 57077 -0.0227 0.3359 -0.54338 2015 2 25 57078 -0.0230 0.3379 -0.54480 2015 2 26 57079 -0.0233 0.3399 -0.54608 2015 2 27 57080 -0.0235 0.3419 -0.54727 2015 2 28 57081 -0.0237 0.3438 -0.54840 2015 3 1 57082 -0.0238 0.3458 -0.54953 2015 3 2 57083 -0.0240 0.3478 -0.55070 2015 3 3 57084 -0.0240 0.3498 -0.55192 2015 3 4 57085 -0.0241 0.3518 -0.55323 2015 3 5 57086 -0.0241 0.3539 -0.55461 2015 3 6 57087 -0.0240 0.3559 -0.55606 2015 3 7 57088 -0.0240 0.3579 -0.55756 2015 3 8 57089 -0.0239 0.3599 -0.55907 2015 3 9 57090 -0.0237 0.3619 -0.56058 2015 3 10 57091 -0.0235 0.3639 -0.56204 2015 3 11 57092 -0.0233 0.3659 -0.56345 2015 3 12 57093 -0.0231 0.3679 -0.56479 2015 3 13 57094 -0.0228 0.3699 -0.56608 2015 3 14 57095 -0.0225 0.3719 -0.56734 2015 3 15 57096 -0.0221 0.3739 -0.56861 2015 3 16 57097 -0.0217 0.3759 -0.56995 2015 3 17 57098 -0.0213 0.3779 -0.57143 2015 3 18 57099 -0.0208 0.3799 -0.57307 2015 3 19 57100 -0.0203 0.3819 -0.57488 2015 3 20 57101 -0.0197 0.3839 -0.57680 2015 3 21 57102 -0.0192 0.3859 -0.57875 2015 3 22 57103 -0.0185 0.3878 -0.58063 2015 3 23 57104 -0.0179 0.3898 -0.58238 2015 3 24 57105 -0.0172 0.3917 -0.58398 2015 3 25 57106 -0.0165 0.3937 -0.58544 2015 3 26 57107 -0.0157 0.3956 -0.58681 2015 3 27 57108 -0.0149 0.3975 -0.58813 2015 3 28 57109 -0.0141 0.3994 -0.58945 2015 3 29 57110 -0.0132 0.4013 -0.59080 2015 3 30 57111 -0.0123 0.4032 -0.59218 2015 3 31 57112 -0.0114 0.4051 -0.59362 2015 4 1 57113 -0.0104 0.4069 -0.59511 2015 4 2 57114 -0.0094 0.4088 -0.59663 2015 4 3 57115 -0.0084 0.4106 -0.59817 2015 4 4 57116 -0.0073 0.4124 -0.59972 2015 4 5 57117 -0.0062 0.4142 -0.60126 2015 4 6 57118 -0.0051 0.4160 -0.60277 2015 4 7 57119 -0.0039 0.4178 -0.60423 2015 4 8 57120 -0.0027 0.4196 -0.60561 2015 4 9 57121 -0.0015 0.4213 -0.60692 2015 4 10 57122 -0.0002 0.4230 -0.60817 2015 4 11 57123 0.0011 0.4247 -0.60940 2015 4 12 57124 0.0024 0.4264 -0.61066 2015 4 13 57125 0.0038 0.4281 -0.61200 2015 4 14 57126 0.0052 0.4297 -0.61347 2015 4 15 57127 0.0066 0.4314 -0.61508 2015 4 16 57128 0.0081 0.4330 -0.61679 2015 4 17 57129 0.0096 0.4345 -0.61857 2015 4 18 57130 0.0111 0.4361 -0.62030 2015 4 19 57131 0.0126 0.4377 -0.62189 2015 4 20 57132 0.0142 0.4392 -0.62338 2015 4 21 57133 0.0158 0.4407 -0.62469 2015 4 22 57134 0.0174 0.4421 -0.62587 2015 4 23 57135 0.0191 0.4436 -0.62694 2015 4 24 57136 0.0207 0.4450 -0.62801 2015 4 25 57137 0.0224 0.4464 -0.62913 2015 4 26 57138 0.0242 0.4478 -0.63027 2015 4 27 57139 0.0259 0.4492 -0.63145 2015 4 28 57140 0.0277 0.4505 -0.63267 2015 4 29 57141 0.0295 0.4518 -0.63396 2015 4 30 57142 0.0314 0.4531 -0.63533 2015 5 1 57143 0.0332 0.4543 -0.63671 2015 5 2 57144 0.0351 0.4555 -0.63812 2015 5 3 57145 0.0370 0.4567 -0.63955 2015 5 4 57146 0.0389 0.4579 -0.64091 2015 5 5 57147 0.0409 0.4590 -0.64220 2015 5 6 57148 0.0429 0.4601 -0.64342 2015 5 7 57149 0.0448 0.4612 -0.64456 2015 5 8 57150 0.0469 0.4622 -0.64563 2015 5 9 57151 0.0489 0.4633 -0.64669 2015 5 10 57152 0.0509 0.4643 -0.64779 2015 5 11 57153 0.0530 0.4652 -0.64899 2015 5 12 57154 0.0551 0.4661 -0.65029 2015 5 13 57155 0.0572 0.4670 -0.65171 2015 5 14 57156 0.0593 0.4679 -0.65316 2015 5 15 57157 0.0615 0.4687 -0.65466 2015 5 16 57158 0.0636 0.4695 -0.65608 2015 5 17 57159 0.0658 0.4703 -0.65733 2015 5 18 57160 0.0680 0.4710 -0.65843 2015 5 19 57161 0.0702 0.4717 -0.65938 2015 5 20 57162 0.0724 0.4724 -0.66023 2015 5 21 57163 0.0746 0.4730 -0.66100 2015 5 22 57164 0.0768 0.4736 -0.66174 2015 5 23 57165 0.0791 0.4742 -0.66256 2015 5 24 57166 0.0813 0.4747 -0.66345 2015 5 25 57167 0.0836 0.4752 -0.66441 2015 5 26 57168 0.0859 0.4757 -0.66548 2015 5 27 57169 0.0882 0.4761 -0.66662 2015 5 28 57170 0.0905 0.4765 -0.66779 2015 5 29 57171 0.0928 0.4769 -0.66891 2015 5 30 57172 0.0951 0.4772 -0.66996 2015 5 31 57173 0.0974 0.4775 -0.67089 2015 6 1 57174 0.0998 0.4778 -0.67173 2015 6 2 57175 0.1021 0.4780 -0.67249 2015 6 3 57176 0.1044 0.4782 -0.67314 2015 6 4 57177 0.1068 0.4784 -0.67372 2015 6 5 57178 0.1091 0.4785 -0.67426 2015 6 6 57179 0.1115 0.4786 -0.67481 2015 6 7 57180 0.1138 0.4786 -0.67543 2015 6 8 57181 0.1162 0.4786 -0.67614 2015 6 9 57182 0.1185 0.4786 -0.67697 2015 6 10 57183 0.1209 0.4785 -0.67789 2015 6 11 57184 0.1232 0.4784 -0.67882 2015 6 12 57185 0.1256 0.4783 -0.67971 2015 6 13 57186 0.1279 0.4781 -0.68045 2015 6 14 57187 0.1303 0.4779 -0.68100 2015 6 15 57188 0.1326 0.4777 -0.68137 2015 6 16 57189 0.1350 0.4774 -0.68164 2015 6 17 57190 0.1373 0.4771 -0.68183 2015 6 18 57191 0.1397 0.4767 -0.68199 2015 6 19 57192 0.1420 0.4764 -0.68216 2015 6 20 57193 0.1443 0.4759 -0.68235 2015 6 21 57194 0.1466 0.4755 -0.68261 2015 6 22 57195 0.1489 0.4750 -0.68289 2015 6 23 57196 0.1512 0.4745 -0.68325 2015 6 24 57197 0.1535 0.4739 -0.68364 2015 6 25 57198 0.1558 0.4733 -0.68401 2015 6 26 57199 0.1581 0.4727 -0.68430 2015 6 27 57200 0.1604 0.4720 -0.68459 2015 6 28 57201 0.1626 0.4713 -0.68483 2015 6 29 57202 0.1648 0.4706 -0.68500 2015 6 30 57203 0.1671 0.4698 -0.68510 2015 7 1 57204 0.1693 0.4690 -0.68521 2015 7 2 57205 0.1715 0.4682 -0.68536 2015 7 3 57206 0.1737 0.4673 -0.68549 2015 7 4 57207 0.1759 0.4664 -0.68571 2015 7 5 57208 0.1780 0.4654 -0.68609 2015 7 6 57209 0.1802 0.4645 -0.68659 2015 7 7 57210 0.1823 0.4635 -0.68716 2015 7 8 57211 0.1844 0.4624 -0.68772 2015 7 9 57212 0.1865 0.4613 -0.68820 2015 7 10 57213 0.1885 0.4602 -0.68854 2015 7 11 57214 0.1906 0.4591 -0.68877 2015 7 12 57215 0.1926 0.4579 -0.68883 2015 7 13 57216 0.1946 0.4567 -0.68873 2015 7 14 57217 0.1966 0.4555 -0.68849 2015 7 15 57218 0.1986 0.4542 -0.68816 2015 7 16 57219 0.2006 0.4529 -0.68783 2015 7 17 57220 0.2025 0.4516 -0.68755 2015 7 18 57221 0.2044 0.4503 -0.68740 2015 7 19 57222 0.2063 0.4489 -0.68736 2015 7 20 57223 0.2081 0.4475 -0.68742 2015 7 21 57224 0.2099 0.4460 -0.68748 2015 7 22 57225 0.2117 0.4446 -0.68750 2015 7 23 57226 0.2135 0.4431 -0.68747 2015 7 24 57227 0.2153 0.4415 -0.68742 2015 7 25 57228 0.2170 0.4400 -0.68744 2015 7 26 57229 0.2187 0.4384 -0.68748 2015 7 27 57230 0.2204 0.4368 -0.68749 2015 7 28 57231 0.2220 0.4352 -0.68750 2015 7 29 57232 0.2236 0.4335 -0.68748 2015 7 30 57233 0.2252 0.4318 -0.68750 2015 7 31 57234 0.2268 0.4301 -0.68766 2015 8 1 57235 0.2283 0.4284 -0.68789 2015 8 2 57236 0.2298 0.4266 -0.68821 2015 8 3 57237 0.2313 0.4248 -0.68866 2015 8 4 57238 0.2327 0.4230 -0.68917 2015 8 5 57239 0.2341 0.4212 -0.68968 2015 8 6 57240 0.2355 0.4194 -0.69012 2015 8 7 57241 0.2368 0.4175 -0.69047 2015 8 8 57242 0.2381 0.4156 -0.69068 2015 8 9 57243 0.2394 0.4137 -0.69073 2015 8 10 57244 0.2406 0.4118 -0.69070 2015 8 11 57245 0.2418 0.4098 -0.69062 2015 8 12 57246 0.2430 0.4078 -0.69054 2015 8 13 57247 0.2441 0.4058 -0.69049 2015 8 14 57248 0.2452 0.4038 -0.69059 2015 8 15 57249 0.2463 0.4018 -0.69078 2015 8 16 57250 0.2473 0.3998 -0.69107 2015 8 17 57251 0.2483 0.3977 -0.69141 2015 8 18 57252 0.2493 0.3956 -0.69175 2015 8 19 57253 0.2502 0.3935 -0.69206 2015 8 20 57254 0.2511 0.3914 -0.69233 2015 8 21 57255 0.2519 0.3893 -0.69256 2015 8 22 57256 0.2527 0.3872 -0.69272 2015 8 23 57257 0.2535 0.3850 -0.69290 2015 8 24 57258 0.2542 0.3829 -0.69305 2015 8 25 57259 0.2549 0.3807 -0.69322 2015 8 26 57260 0.2556 0.3785 -0.69349 2015 8 27 57261 0.2562 0.3763 -0.69388 2015 8 28 57262 0.2568 0.3741 -0.69450 2015 8 29 57263 0.2573 0.3719 -0.69540 2015 8 30 57264 0.2578 0.3697 -0.69652 2015 8 31 57265 0.2583 0.3674 -0.69779 2015 9 1 57266 0.2587 0.3652 -0.69902 2015 9 2 57267 0.2591 0.3629 -0.70014 2015 9 3 57268 0.2594 0.3607 -0.70112 2015 9 4 57269 0.2597 0.3584 -0.70194 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) 56882 -92.23 0.24 -13.49 0.08 56883 -92.43 0.24 -13.52 0.08 56884 -92.86 0.24 -13.44 0.08 56885 -93.28 0.24 -13.34 0.08 56886 -93.29 0.19 -13.41 0.07 56887 -92.94 0.19 -13.64 0.07 56888 -92.64 0.14 -13.86 0.07 56889 -92.70 0.14 -13.93 0.07 56890 -92.93 0.14 -13.91 0.07 56891 -92.98 0.14 -13.89 0.07 56892 -92.79 0.30 -13.84 0.15 56893 -92.57 0.30 -13.66 0.06 56894 -92.51 0.30 -13.41 0.06 56895 -92.63 0.30 -13.26 0.06 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 56840 -85.2 -13.9 56841 -85.4 -13.9 56842 -85.3 -13.9 56843 -85.3 -13.9 56844 -85.7 -13.9 56845 -86.6 -13.9 56846 -87.3 -13.8 56847 -87.6 -13.5 56848 -87.4 -13.5 56849 -87.1 -13.6 56850 -87.0 -13.8 56851 -87.1 -13.8 56852 -87.4 -13.5 56853 -87.8 -13.3 56854 -88.2 -13.2 56855 -88.5 -13.2 56856 -88.9 -13.3 56857 -89.0 -13.4 56858 -88.9 -13.6 56859 -88.8 -13.8 56860 -88.9 -13.9 56861 -89.2 -13.9 56862 -89.5 -13.9 56863 -89.5 -13.9 56864 -89.4 -13.9 56865 -89.2 -13.8 56866 -89.2 -13.5 56867 -89.4 -13.4 56868 -89.8 -13.5 56869 -90.1 -13.7 56870 -90.0 -13.8 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56882 0.034 0.095 -0.239 0.080 56883 0.018 0.095 -0.250 0.080 56884 0.002 0.095 -0.279 0.080 56885 -0.016 0.095 -0.290 0.080 56886 -0.018 0.076 -0.297 0.070 56887 -0.006 0.076 -0.315 0.070 56888 0.021 0.056 -0.347 0.070 56889 0.038 0.056 -0.349 0.070 56890 0.043 0.056 -0.335 0.070 56891 0.051 0.056 -0.330 0.070 56892 0.060 0.119 -0.337 0.150 56893 0.059 0.119 -0.321 0.060 56894 0.048 0.119 -0.298 0.060 56895 0.039 0.119 -0.286 0.060 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 56840 0.24 -0.35 56841 0.19 -0.31 56842 0.17 -0.32 56843 0.14 -0.33 56844 0.14 -0.31 56845 0.10 -0.33 56846 0.13 -0.37 56847 0.14 -0.27 56848 0.18 -0.34 56849 0.22 -0.28 56850 0.23 -0.29 56851 0.22 -0.34 56852 0.20 -0.29 56853 0.17 -0.33 56854 0.16 -0.30 56855 0.20 -0.24 56856 0.17 -0.25 56857 0.16 -0.22 56858 0.14 -0.24 56859 0.13 -0.28 56860 0.14 -0.32 56861 0.18 -0.34 56862 0.20 -0.34 56863 0.23 -0.31 56864 0.21 -0.32 56865 0.21 -0.36 56866 0.19 -0.26 56867 0.18 -0.25 56868 0.12 -0.28 56869 0.05 -0.33 56870 0.03 -0.33 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).