********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 28 August 2014 Vol. XXVII No. 035 ______________________________________________________________________ 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 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 22 56891 0.20967 .00009 0.35440 .00009 -0.323216 0.000019 14 8 23 56892 0.20962 .00009 0.35256 .00009 -0.323439 0.000020 14 8 24 56893 0.20955 .00009 0.35069 .00009 -0.323672 0.000014 14 8 25 56894 0.20947 .00009 0.34884 .00009 -0.323901 0.000012 14 8 26 56895 0.20930 .00009 0.34696 .00009 -0.324219 0.000012 14 8 27 56896 0.20913 .00009 0.34498 .00009 -0.324655 0.000065 14 8 28 56897 0.20897 .00009 0.34289 .00009 -0.325147 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 = 0.1099 + 0.0703 cos A + 0.0014 sin A + 0.0243 cos C - 0.0225 sin C y = 0.3624 + 0.0043 cos A - 0.0660 sin A - 0.0225 cos C - 0.0243 sin C UT1-UTC = -0.3658 - 0.00101 (MJD - 56905) - (UT2-UT1) where A = 2*pi*(MJD-56897)/365.25 and C = 2*pi*(MJD-56897)/435. TAI-UTC(MJD 56898) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56897)**0.80 S t = 0.00025 (MJD-56897)**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 29 56898 0.2090 0.3409 -0.32567 2014 8 30 56899 0.2089 0.3389 -0.32620 2014 8 31 56900 0.2089 0.3370 -0.32671 2014 9 1 56901 0.2089 0.3351 -0.32720 2014 9 2 56902 0.2088 0.3334 -0.32766 2014 9 3 56903 0.2087 0.3317 -0.32810 2014 9 4 56904 0.2086 0.3300 -0.32857 2014 9 5 56905 0.2084 0.3283 -0.32913 2014 9 6 56906 0.2082 0.3266 -0.32984 2014 9 7 56907 0.2079 0.3249 -0.33075 2014 9 8 56908 0.2076 0.3232 -0.33185 2014 9 9 56909 0.2074 0.3215 -0.33308 2014 9 10 56910 0.2070 0.3199 -0.33436 2014 9 11 56911 0.2067 0.3182 -0.33558 2014 9 12 56912 0.2063 0.3166 -0.33670 2014 9 13 56913 0.2058 0.3150 -0.33768 2014 9 14 56914 0.2054 0.3133 -0.33853 2014 9 15 56915 0.2049 0.3117 -0.33928 2014 9 16 56916 0.2044 0.3101 -0.33994 2014 9 17 56917 0.2038 0.3085 -0.34057 2014 9 18 56918 0.2033 0.3069 -0.34119 2014 9 19 56919 0.2027 0.3053 -0.34185 2014 9 20 56920 0.2021 0.3037 -0.34258 2014 9 21 56921 0.2014 0.3021 -0.34340 2014 9 22 56922 0.2007 0.3006 -0.34433 2014 9 23 56923 0.2000 0.2990 -0.34536 2014 9 24 56924 0.1993 0.2975 -0.34648 2014 9 25 56925 0.1985 0.2960 -0.34765 2014 9 26 56926 0.1978 0.2945 -0.34885 2014 9 27 56927 0.1969 0.2930 -0.35003 2014 9 28 56928 0.1961 0.2915 -0.35117 2014 9 29 56929 0.1952 0.2900 -0.35228 2014 9 30 56930 0.1943 0.2886 -0.35336 2014 10 1 56931 0.1934 0.2871 -0.35446 2014 10 2 56932 0.1924 0.2857 -0.35563 2014 10 3 56933 0.1915 0.2843 -0.35693 2014 10 4 56934 0.1904 0.2829 -0.35839 2014 10 5 56935 0.1894 0.2815 -0.36004 2014 10 6 56936 0.1883 0.2801 -0.36185 2014 10 7 56937 0.1872 0.2787 -0.36376 2014 10 8 56938 0.1861 0.2774 -0.36570 2014 10 9 56939 0.1850 0.2761 -0.36756 2014 10 10 56940 0.1838 0.2748 -0.36929 2014 10 11 56941 0.1826 0.2735 -0.37085 2014 10 12 56942 0.1814 0.2722 -0.37226 2014 10 13 56943 0.1802 0.2709 -0.37355 2014 10 14 56944 0.1789 0.2697 -0.37479 2014 10 15 56945 0.1776 0.2685 -0.37602 2014 10 16 56946 0.1763 0.2673 -0.37727 2014 10 17 56947 0.1749 0.2661 -0.37857 2014 10 18 56948 0.1736 0.2649 -0.37995 2014 10 19 56949 0.1722 0.2638 -0.38140 2014 10 20 56950 0.1707 0.2626 -0.38293 2014 10 21 56951 0.1693 0.2615 -0.38451 2014 10 22 56952 0.1678 0.2605 -0.38612 2014 10 23 56953 0.1664 0.2594 -0.38772 2014 10 24 56954 0.1649 0.2584 -0.38930 2014 10 25 56955 0.1633 0.2574 -0.39081 2014 10 26 56956 0.1618 0.2564 -0.39225 2014 10 27 56957 0.1602 0.2554 -0.39363 2014 10 28 56958 0.1586 0.2544 -0.39498 2014 10 29 56959 0.1570 0.2535 -0.39634 2014 10 30 56960 0.1554 0.2526 -0.39778 2014 10 31 56961 0.1538 0.2517 -0.39934 2014 11 1 56962 0.1521 0.2509 -0.40104 2014 11 2 56963 0.1504 0.2501 -0.40288 2014 11 3 56964 0.1487 0.2493 -0.40482 2014 11 4 56965 0.1470 0.2485 -0.40680 2014 11 5 56966 0.1453 0.2478 -0.40874 2014 11 6 56967 0.1435 0.2470 -0.41057 2014 11 7 56968 0.1418 0.2463 -0.41225 2014 11 8 56969 0.1400 0.2457 -0.41376 2014 11 9 56970 0.1382 0.2450 -0.41513 2014 11 10 56971 0.1364 0.2444 -0.41641 2014 11 11 56972 0.1346 0.2438 -0.41764 2014 11 12 56973 0.1328 0.2433 -0.41886 2014 11 13 56974 0.1309 0.2427 -0.42010 2014 11 14 56975 0.1291 0.2422 -0.42139 2014 11 15 56976 0.1272 0.2417 -0.42274 2014 11 16 56977 0.1253 0.2413 -0.42415 2014 11 17 56978 0.1234 0.2409 -0.42560 2014 11 18 56979 0.1215 0.2405 -0.42708 2014 11 19 56980 0.1196 0.2401 -0.42857 2014 11 20 56981 0.1177 0.2398 -0.43003 2014 11 21 56982 0.1158 0.2395 -0.43145 2014 11 22 56983 0.1139 0.2392 -0.43279 2014 11 23 56984 0.1119 0.2390 -0.43405 2014 11 24 56985 0.1100 0.2388 -0.43526 2014 11 25 56986 0.1080 0.2386 -0.43645 2014 11 26 56987 0.1061 0.2384 -0.43768 2014 11 27 56988 0.1041 0.2383 -0.43900 2014 11 28 56989 0.1021 0.2382 -0.44044 2014 11 29 56990 0.1002 0.2382 -0.44198 2014 11 30 56991 0.0982 0.2381 -0.44361 2014 12 1 56992 0.0962 0.2381 -0.44525 2014 12 2 56993 0.0942 0.2381 -0.44686 2014 12 3 56994 0.0923 0.2382 -0.44837 2014 12 4 56995 0.0903 0.2383 -0.44973 2014 12 5 56996 0.0883 0.2384 -0.45095 2014 12 6 56997 0.0863 0.2386 -0.45202 2014 12 7 56998 0.0843 0.2388 -0.45299 2014 12 8 56999 0.0823 0.2390 -0.45389 2014 12 9 57000 0.0804 0.2392 -0.45478 2014 12 10 57001 0.0784 0.2395 -0.45568 2014 12 11 57002 0.0764 0.2398 -0.45663 2014 12 12 57003 0.0745 0.2401 -0.45763 2014 12 13 57004 0.0725 0.2405 -0.45870 2014 12 14 57005 0.0705 0.2409 -0.45982 2014 12 15 57006 0.0686 0.2413 -0.46102 2014 12 16 57007 0.0666 0.2418 -0.46224 2014 12 17 57008 0.0647 0.2423 -0.46345 2014 12 18 57009 0.0628 0.2428 -0.46462 2014 12 19 57010 0.0608 0.2434 -0.46575 2014 12 20 57011 0.0589 0.2440 -0.46681 2014 12 21 57012 0.0570 0.2446 -0.46782 2014 12 22 57013 0.0551 0.2452 -0.46882 2014 12 23 57014 0.0532 0.2459 -0.46986 2014 12 24 57015 0.0513 0.2466 -0.47099 2014 12 25 57016 0.0495 0.2473 -0.47224 2014 12 26 57017 0.0476 0.2481 -0.47363 2014 12 27 57018 0.0458 0.2489 -0.47511 2014 12 28 57019 0.0439 0.2497 -0.47662 2014 12 29 57020 0.0421 0.2506 -0.47810 2014 12 30 57021 0.0403 0.2514 -0.47948 2014 12 31 57022 0.0385 0.2523 -0.48073 2015 1 1 57023 0.0368 0.2533 -0.48182 2015 1 2 57024 0.0350 0.2542 -0.48278 2015 1 3 57025 0.0333 0.2552 -0.48362 2015 1 4 57026 0.0315 0.2563 -0.48440 2015 1 5 57027 0.0298 0.2573 -0.48515 2015 1 6 57028 0.0281 0.2584 -0.48592 2015 1 7 57029 0.0265 0.2595 -0.48674 2015 1 8 57030 0.0248 0.2606 -0.48762 2015 1 9 57031 0.0232 0.2618 -0.48857 2015 1 10 57032 0.0216 0.2630 -0.48958 2015 1 11 57033 0.0200 0.2642 -0.49065 2015 1 12 57034 0.0184 0.2654 -0.49174 2015 1 13 57035 0.0168 0.2667 -0.49284 2015 1 14 57036 0.0153 0.2680 -0.49391 2015 1 15 57037 0.0138 0.2693 -0.49495 2015 1 16 57038 0.0123 0.2706 -0.49595 2015 1 17 57039 0.0109 0.2720 -0.49691 2015 1 18 57040 0.0094 0.2734 -0.49786 2015 1 19 57041 0.0080 0.2748 -0.49884 2015 1 20 57042 0.0066 0.2762 -0.49991 2015 1 21 57043 0.0052 0.2777 -0.50113 2015 1 22 57044 0.0039 0.2791 -0.50252 2015 1 23 57045 0.0026 0.2806 -0.50404 2015 1 24 57046 0.0013 0.2822 -0.50564 2015 1 25 57047 0.0000 0.2837 -0.50724 2015 1 26 57048 -0.0012 0.2853 -0.50874 2015 1 27 57049 -0.0024 0.2868 -0.51011 2015 1 28 57050 -0.0036 0.2885 -0.51132 2015 1 29 57051 -0.0047 0.2901 -0.51237 2015 1 30 57052 -0.0058 0.2917 -0.51331 2015 1 31 57053 -0.0069 0.2934 -0.51417 2015 2 1 57054 -0.0080 0.2951 -0.51500 2015 2 2 57055 -0.0090 0.2968 -0.51585 2015 2 3 57056 -0.0100 0.2985 -0.51674 2015 2 4 57057 -0.0110 0.3002 -0.51771 2015 2 5 57058 -0.0119 0.3020 -0.51875 2015 2 6 57059 -0.0129 0.3037 -0.51987 2015 2 7 57060 -0.0137 0.3055 -0.52104 2015 2 8 57061 -0.0146 0.3073 -0.52226 2015 2 9 57062 -0.0154 0.3091 -0.52349 2015 2 10 57063 -0.0162 0.3110 -0.52471 2015 2 11 57064 -0.0169 0.3128 -0.52589 2015 2 12 57065 -0.0176 0.3146 -0.52704 2015 2 13 57066 -0.0183 0.3165 -0.52815 2015 2 14 57067 -0.0190 0.3184 -0.52924 2015 2 15 57068 -0.0196 0.3203 -0.53036 2015 2 16 57069 -0.0202 0.3222 -0.53156 2015 2 17 57070 -0.0207 0.3241 -0.53290 2015 2 18 57071 -0.0212 0.3260 -0.53442 2015 2 19 57072 -0.0217 0.3280 -0.53613 2015 2 20 57073 -0.0222 0.3299 -0.53799 2015 2 21 57074 -0.0226 0.3318 -0.53990 2015 2 22 57075 -0.0229 0.3338 -0.54177 2015 2 23 57076 -0.0233 0.3358 -0.54352 2015 2 24 57077 -0.0236 0.3377 -0.54509 2015 2 25 57078 -0.0238 0.3397 -0.54649 2015 2 26 57079 -0.0241 0.3417 -0.54775 2015 2 27 57080 -0.0243 0.3437 -0.54891 2015 2 28 57081 -0.0244 0.3457 -0.55001 2015 3 1 57082 -0.0245 0.3477 -0.55110 2015 3 2 57083 -0.0246 0.3497 -0.55222 2015 3 3 57084 -0.0247 0.3517 -0.55339 2015 3 4 57085 -0.0247 0.3537 -0.55462 2015 3 5 57086 -0.0247 0.3557 -0.55590 2015 3 6 57087 -0.0246 0.3578 -0.55723 2015 3 7 57088 -0.0245 0.3598 -0.55858 2015 3 8 57089 -0.0244 0.3618 -0.55992 2015 3 9 57090 -0.0242 0.3638 -0.56122 2015 3 10 57091 -0.0240 0.3658 -0.56248 2015 3 11 57092 -0.0238 0.3678 -0.56369 2015 3 12 57093 -0.0235 0.3698 -0.56485 2015 3 13 57094 -0.0232 0.3718 -0.56599 2015 3 14 57095 -0.0228 0.3739 -0.56716 2015 3 15 57096 -0.0224 0.3759 -0.56841 2015 3 16 57097 -0.0220 0.3779 -0.56981 2015 3 17 57098 -0.0215 0.3798 -0.57141 2015 3 18 57099 -0.0210 0.3818 -0.57323 2015 3 19 57100 -0.0205 0.3838 -0.57526 2015 3 20 57101 -0.0199 0.3858 -0.57741 2015 3 21 57102 -0.0193 0.3878 -0.57957 2015 3 22 57103 -0.0187 0.3897 -0.58165 2015 3 23 57104 -0.0180 0.3917 -0.58355 2015 3 24 57105 -0.0173 0.3936 -0.58525 2015 3 25 57106 -0.0165 0.3956 -0.58677 2015 3 26 57107 -0.0158 0.3975 -0.58815 2015 3 27 57108 -0.0149 0.3994 -0.58942 2015 3 28 57109 -0.0141 0.4013 -0.59064 2015 3 29 57110 -0.0132 0.4032 -0.59184 2015 3 30 57111 -0.0123 0.4051 -0.59304 2015 3 31 57112 -0.0113 0.4070 -0.59426 2015 4 1 57113 -0.0103 0.4088 -0.59551 2015 4 2 57114 -0.0093 0.4107 -0.59678 2015 4 3 57115 -0.0082 0.4125 -0.59808 2015 4 4 57116 -0.0071 0.4143 -0.59937 2015 4 5 57117 -0.0060 0.4161 -0.60064 2015 4 6 57118 -0.0048 0.4179 -0.60190 2015 4 7 57119 -0.0036 0.4197 -0.60314 2015 4 8 57120 -0.0024 0.4214 -0.60433 2015 4 9 57121 -0.0011 0.4231 -0.60548 2015 4 10 57122 0.0002 0.4249 -0.60666 2015 4 11 57123 0.0015 0.4266 -0.60792 2015 4 12 57124 0.0029 0.4282 -0.60926 2015 4 13 57125 0.0042 0.4299 -0.61072 2015 4 14 57126 0.0057 0.4315 -0.61233 2015 4 15 57127 0.0071 0.4331 -0.61414 2015 4 16 57128 0.0086 0.4347 -0.61614 2015 4 17 57129 0.0101 0.4363 -0.61821 2015 4 18 57130 0.0116 0.4379 -0.62031 2015 4 19 57131 0.0132 0.4394 -0.62235 2015 4 20 57132 0.0148 0.4409 -0.62422 2015 4 21 57133 0.0164 0.4424 -0.62590 2015 4 22 57134 0.0181 0.4439 -0.62743 2015 4 23 57135 0.0198 0.4453 -0.62881 2015 4 24 57136 0.0215 0.4467 -0.63008 2015 4 25 57137 0.0232 0.4481 -0.63131 2015 4 26 57138 0.0250 0.4495 -0.63249 2015 4 27 57139 0.0268 0.4508 -0.63368 2015 4 28 57140 0.0286 0.4521 -0.63489 2015 4 29 57141 0.0304 0.4534 -0.63614 2015 4 30 57142 0.0323 0.4547 -0.63737 2015 5 1 57143 0.0341 0.4559 -0.63865 2015 5 2 57144 0.0360 0.4571 -0.63992 2015 5 3 57145 0.0380 0.4583 -0.64111 2015 5 4 57146 0.0399 0.4595 -0.64225 2015 5 5 57147 0.0419 0.4606 -0.64336 2015 5 6 57148 0.0439 0.4617 -0.64442 2015 5 7 57149 0.0459 0.4627 -0.64543 2015 5 8 57150 0.0479 0.4638 -0.64643 2015 5 9 57151 0.0500 0.4648 -0.64755 2015 5 10 57152 0.0521 0.4657 -0.64879 2015 5 11 57153 0.0542 0.4667 -0.65019 2015 5 12 57154 0.0563 0.4676 -0.65180 2015 5 13 57155 0.0584 0.4685 -0.65358 2015 5 14 57156 0.0605 0.4693 -0.65546 2015 5 15 57157 0.0627 0.4701 -0.65731 2015 5 16 57158 0.0649 0.4709 -0.65905 2015 5 17 57159 0.0671 0.4717 -0.66059 2015 5 18 57160 0.0693 0.4724 -0.66195 2015 5 19 57161 0.0715 0.4731 -0.66312 2015 5 20 57162 0.0737 0.4737 -0.66412 2015 5 21 57163 0.0760 0.4743 -0.66499 2015 5 22 57164 0.0782 0.4749 -0.66577 2015 5 23 57165 0.0805 0.4755 -0.66648 2015 5 24 57166 0.0828 0.4760 -0.66719 2015 5 25 57167 0.0851 0.4765 -0.66790 2015 5 26 57168 0.0874 0.4769 -0.66865 2015 5 27 57169 0.0897 0.4773 -0.66945 2015 5 28 57170 0.0920 0.4777 -0.67026 2015 5 29 57171 0.0943 0.4781 -0.67106 2015 5 30 57172 0.0967 0.4784 -0.67180 2015 5 31 57173 0.0990 0.4787 -0.67244 2015 6 1 57174 0.1013 0.4789 -0.67299 2015 6 2 57175 0.1037 0.4791 -0.67349 2015 6 3 57176 0.1060 0.4793 -0.67396 2015 6 4 57177 0.1084 0.4794 -0.67440 2015 6 5 57178 0.1108 0.4795 -0.67487 2015 6 6 57179 0.1131 0.4796 -0.67540 2015 6 7 57180 0.1155 0.4796 -0.67606 2015 6 8 57181 0.1179 0.4796 -0.67683 2015 6 9 57182 0.1202 0.4795 -0.67776 2015 6 10 57183 0.1226 0.4794 -0.67876 2015 6 11 57184 0.1250 0.4793 -0.67976 2015 6 12 57185 0.1273 0.4792 -0.68065 2015 6 13 57186 0.1297 0.4790 -0.68147 2015 6 14 57187 0.1321 0.4787 -0.68215 2015 6 15 57188 0.1344 0.4785 -0.68265 2015 6 16 57189 0.1368 0.4782 -0.68301 2015 6 17 57190 0.1392 0.4778 -0.68331 2015 6 18 57191 0.1415 0.4775 -0.68359 2015 6 19 57192 0.1438 0.4771 -0.68379 2015 6 20 57193 0.1462 0.4766 -0.68398 2015 6 21 57194 0.1485 0.4761 -0.68424 2015 6 22 57195 0.1508 0.4756 -0.68452 2015 6 23 57196 0.1531 0.4751 -0.68482 2015 6 24 57197 0.1554 0.4745 -0.68510 2015 6 25 57198 0.1577 0.4739 -0.68535 2015 6 26 57199 0.1600 0.4732 -0.68554 2015 6 27 57200 0.1623 0.4725 -0.68571 2015 6 28 57201 0.1646 0.4718 -0.68581 2015 6 29 57202 0.1668 0.4710 -0.68582 2015 6 30 57203 0.1691 0.4703 -0.68572 2015 7 1 57204 0.1713 0.4694 -0.68555 2015 7 2 57205 0.1735 0.4686 -0.68538 2015 7 3 57206 0.1757 0.4677 -0.68530 2015 7 4 57207 0.1779 0.4667 -0.68539 2015 7 5 57208 0.1800 0.4658 -0.68569 2015 7 6 57209 0.1822 0.4648 -0.68617 2015 7 7 57210 0.1843 0.4637 -0.68669 2015 7 8 57211 0.1864 0.4627 -0.68718 2015 7 9 57212 0.1885 0.4616 -0.68756 2015 7 10 57213 0.1906 0.4604 -0.68786 2015 7 11 57214 0.1927 0.4593 -0.68813 2015 7 12 57215 0.1947 0.4581 -0.68831 2015 7 13 57216 0.1967 0.4569 -0.68838 2015 7 14 57217 0.1987 0.4556 -0.68837 2015 7 15 57218 0.2007 0.4543 -0.68827 2015 7 16 57219 0.2026 0.4530 -0.68815 2015 7 17 57220 0.2046 0.4517 -0.68807 2015 7 18 57221 0.2065 0.4503 -0.68795 2015 7 19 57222 0.2083 0.4489 -0.68781 2015 7 20 57223 0.2102 0.4474 -0.68771 2015 7 21 57224 0.2120 0.4460 -0.68764 2015 7 22 57225 0.2138 0.4445 -0.68760 2015 7 23 57226 0.2156 0.4430 -0.68759 2015 7 24 57227 0.2174 0.4414 -0.68759 2015 7 25 57228 0.2191 0.4398 -0.68758 2015 7 26 57229 0.2208 0.4382 -0.68749 2015 7 27 57230 0.2225 0.4366 -0.68736 2015 7 28 57231 0.2241 0.4349 -0.68722 2015 7 29 57232 0.2257 0.4332 -0.68708 2015 7 30 57233 0.2273 0.4315 -0.68702 2015 7 31 57234 0.2289 0.4298 -0.68715 2015 8 1 57235 0.2304 0.4280 -0.68746 2015 8 2 57236 0.2319 0.4263 -0.68798 2015 8 3 57237 0.2333 0.4245 -0.68864 2015 8 4 57238 0.2348 0.4226 -0.68931 2015 8 5 57239 0.2362 0.4208 -0.68993 2015 8 6 57240 0.2375 0.4189 -0.69043 2015 8 7 57241 0.2389 0.4170 -0.69077 2015 8 8 57242 0.2402 0.4151 -0.69093 2015 8 9 57243 0.2414 0.4132 -0.69101 2015 8 10 57244 0.2427 0.4112 -0.69099 2015 8 11 57245 0.2439 0.4092 -0.69092 2015 8 12 57246 0.2450 0.4072 -0.69089 2015 8 13 57247 0.2461 0.4052 -0.69091 2015 8 14 57248 0.2472 0.4032 -0.69104 2015 8 15 57249 0.2483 0.4011 -0.69134 2015 8 16 57250 0.2493 0.3991 -0.69173 2015 8 17 57251 0.2503 0.3970 -0.69218 2015 8 18 57252 0.2512 0.3949 -0.69259 2015 8 19 57253 0.2522 0.3928 -0.69296 2015 8 20 57254 0.2530 0.3906 -0.69331 2015 8 21 57255 0.2539 0.3885 -0.69363 2015 8 22 57256 0.2547 0.3863 -0.69398 2015 8 23 57257 0.2554 0.3842 -0.69429 2015 8 24 57258 0.2561 0.3820 -0.69456 2015 8 25 57259 0.2568 0.3798 -0.69481 2015 8 26 57260 0.2575 0.3776 -0.69511 2015 8 27 57261 0.2581 0.3754 -0.69551 2015 8 28 57262 0.2586 0.3731 -0.69609 These predictions are based on all announced leap seconds. 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).