********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 11 September 2014 Vol. XXVII No. 037 ______________________________________________________________________ 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 *********************************************************************** * * * An unexpected server failure of maia.usno.navy.mil occurred on * * on September 4, 2014 at around 21:00 UTC, and a replacement was * * put in place by about 22:15 UTC the same day. However, some of * * the functionality of maia.usno.navy.mil was lost and recovery of * * all functions is on-going. A list of impacts is given below: * * * * 1) The EOP daily solution, which is normally produced no later * * than 18:00 UTC each day, was not updated on September 8, 2014. * * 2) The ser7@maia.usno.navy.mil account has not been receiving * * any emails since 21:00 UTC on September 4, 2014. * * 3) The scheduled maia.usno.navy.mil replacement, which was * * announced earlier and scheduled to occur in mid-September, was * * implemented on September 4, 2014 due to the emergency that day. * * * * Please note that if you are attempting to send email to * * ser7@maia.usno.navy.mil, please also try ser7@toshi.nofs.navy.mil, * * since the email functionality of maia remains off-line. * * * * 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 9 5 56905 0.20912 .00009 0.32982 .00009 -0.329262 0.000012 14 9 6 56906 0.20921 .00009 0.32828 .00009 -0.330043 0.000012 14 9 7 56907 0.20907 .00009 0.32692 .00009 -0.330988 0.000009 14 9 8 56908 0.20863 .00009 0.32559 .00010 -0.332118 0.000007 14 9 9 56909 0.20797 .00009 0.32401 .00009 -0.333408 0.000007 14 9 10 56910 0.20701 .00009 0.32209 .00009 -0.334728 0.000065 14 9 11 56911 0.20576 .00009 0.31988 .00009 -0.335927 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 = 0.1125 + 0.0665 cos A - 0.0106 sin A + 0.0251 cos C - 0.0294 sin C y = 0.3570 - 0.0066 cos A - 0.0612 sin A - 0.0294 cos C - 0.0251 sin C UT1-UTC = -0.3786 - 0.00101 (MJD - 56919) - (UT2-UT1) where A = 2*pi*(MJD-56911)/365.25 and C = 2*pi*(MJD-56911)/435. TAI-UTC(MJD 56912) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56911)**0.80 S t = 0.00025 (MJD-56911)**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 12 56912 0.2048 0.3177 -0.33698 2014 9 13 56913 0.2040 0.3155 -0.33786 2014 9 14 56914 0.2034 0.3135 -0.33861 2014 9 15 56915 0.2028 0.3116 -0.33928 2014 9 16 56916 0.2023 0.3099 -0.33991 2014 9 17 56917 0.2017 0.3082 -0.34053 2014 9 18 56918 0.2011 0.3066 -0.34117 2014 9 19 56919 0.2004 0.3050 -0.34187 2014 9 20 56920 0.1996 0.3033 -0.34264 2014 9 21 56921 0.1989 0.3016 -0.34349 2014 9 22 56922 0.1981 0.2999 -0.34440 2014 9 23 56923 0.1974 0.2983 -0.34534 2014 9 24 56924 0.1966 0.2967 -0.34633 2014 9 25 56925 0.1958 0.2951 -0.34738 2014 9 26 56926 0.1950 0.2936 -0.34845 2014 9 27 56927 0.1941 0.2922 -0.34950 2014 9 28 56928 0.1931 0.2907 -0.35051 2014 9 29 56929 0.1921 0.2893 -0.35148 2014 9 30 56930 0.1912 0.2878 -0.35239 2014 10 1 56931 0.1902 0.2863 -0.35329 2014 10 2 56932 0.1891 0.2849 -0.35424 2014 10 3 56933 0.1881 0.2835 -0.35531 2014 10 4 56934 0.1871 0.2821 -0.35656 2014 10 5 56935 0.1860 0.2807 -0.35802 2014 10 6 56936 0.1849 0.2794 -0.35965 2014 10 7 56937 0.1837 0.2780 -0.36140 2014 10 8 56938 0.1826 0.2767 -0.36315 2014 10 9 56939 0.1814 0.2754 -0.36483 2014 10 10 56940 0.1802 0.2741 -0.36636 2014 10 11 56941 0.1790 0.2729 -0.36771 2014 10 12 56942 0.1777 0.2716 -0.36891 2014 10 13 56943 0.1764 0.2704 -0.37000 2014 10 14 56944 0.1751 0.2692 -0.37103 2014 10 15 56945 0.1738 0.2680 -0.37205 2014 10 16 56946 0.1725 0.2669 -0.37311 2014 10 17 56947 0.1711 0.2657 -0.37424 2014 10 18 56948 0.1697 0.2646 -0.37545 2014 10 19 56949 0.1683 0.2635 -0.37676 2014 10 20 56950 0.1669 0.2624 -0.37817 2014 10 21 56951 0.1654 0.2614 -0.37964 2014 10 22 56952 0.1640 0.2603 -0.38117 2014 10 23 56953 0.1625 0.2593 -0.38272 2014 10 24 56954 0.1610 0.2583 -0.38425 2014 10 25 56955 0.1594 0.2574 -0.38574 2014 10 26 56956 0.1579 0.2564 -0.38715 2014 10 27 56957 0.1563 0.2555 -0.38851 2014 10 28 56958 0.1547 0.2546 -0.38985 2014 10 29 56959 0.1531 0.2537 -0.39121 2014 10 30 56960 0.1515 0.2529 -0.39264 2014 10 31 56961 0.1498 0.2521 -0.39421 2014 11 1 56962 0.1482 0.2513 -0.39592 2014 11 2 56963 0.1465 0.2505 -0.39778 2014 11 3 56964 0.1448 0.2498 -0.39975 2014 11 4 56965 0.1431 0.2490 -0.40177 2014 11 5 56966 0.1414 0.2484 -0.40376 2014 11 6 56967 0.1396 0.2477 -0.40564 2014 11 7 56968 0.1379 0.2470 -0.40736 2014 11 8 56969 0.1361 0.2464 -0.40892 2014 11 9 56970 0.1343 0.2458 -0.41034 2014 11 10 56971 0.1325 0.2453 -0.41166 2014 11 11 56972 0.1307 0.2447 -0.41291 2014 11 12 56973 0.1289 0.2442 -0.41416 2014 11 13 56974 0.1271 0.2438 -0.41542 2014 11 14 56975 0.1252 0.2433 -0.41673 2014 11 15 56976 0.1234 0.2429 -0.41811 2014 11 16 56977 0.1215 0.2425 -0.41955 2014 11 17 56978 0.1196 0.2421 -0.42104 2014 11 18 56979 0.1177 0.2418 -0.42257 2014 11 19 56980 0.1159 0.2415 -0.42411 2014 11 20 56981 0.1140 0.2412 -0.42563 2014 11 21 56982 0.1121 0.2410 -0.42711 2014 11 22 56983 0.1101 0.2408 -0.42851 2014 11 23 56984 0.1082 0.2406 -0.42984 2014 11 24 56985 0.1063 0.2404 -0.43111 2014 11 25 56986 0.1044 0.2403 -0.43239 2014 11 26 56987 0.1024 0.2402 -0.43370 2014 11 27 56988 0.1005 0.2401 -0.43512 2014 11 28 56989 0.0986 0.2401 -0.43666 2014 11 29 56990 0.0966 0.2401 -0.43832 2014 11 30 56991 0.0947 0.2401 -0.44006 2014 12 1 56992 0.0927 0.2402 -0.44184 2014 12 2 56993 0.0908 0.2402 -0.44359 2014 12 3 56994 0.0888 0.2404 -0.44523 2014 12 4 56995 0.0869 0.2405 -0.44674 2014 12 5 56996 0.0849 0.2407 -0.44809 2014 12 6 56997 0.0830 0.2409 -0.44928 2014 12 7 56998 0.0810 0.2411 -0.45036 2014 12 8 56999 0.0791 0.2414 -0.45136 2014 12 9 57000 0.0772 0.2417 -0.45234 2014 12 10 57001 0.0752 0.2420 -0.45333 2014 12 11 57002 0.0733 0.2424 -0.45436 2014 12 12 57003 0.0713 0.2428 -0.45545 2014 12 13 57004 0.0694 0.2432 -0.45659 2014 12 14 57005 0.0675 0.2436 -0.45778 2014 12 15 57006 0.0656 0.2441 -0.45901 2014 12 16 57007 0.0637 0.2446 -0.46024 2014 12 17 57008 0.0618 0.2452 -0.46146 2014 12 18 57009 0.0599 0.2457 -0.46264 2014 12 19 57010 0.0580 0.2463 -0.46376 2014 12 20 57011 0.0561 0.2470 -0.46481 2014 12 21 57012 0.0543 0.2476 -0.46581 2014 12 22 57013 0.0524 0.2483 -0.46678 2014 12 23 57014 0.0506 0.2490 -0.46779 2014 12 24 57015 0.0488 0.2498 -0.46888 2014 12 25 57016 0.0469 0.2506 -0.47011 2014 12 26 57017 0.0451 0.2514 -0.47146 2014 12 27 57018 0.0433 0.2522 -0.47291 2014 12 28 57019 0.0416 0.2531 -0.47440 2014 12 29 57020 0.0398 0.2540 -0.47588 2014 12 30 57021 0.0380 0.2549 -0.47727 2014 12 31 57022 0.0363 0.2559 -0.47853 2015 1 1 57023 0.0346 0.2568 -0.47963 2015 1 2 57024 0.0329 0.2578 -0.48060 2015 1 3 57025 0.0312 0.2589 -0.48146 2015 1 4 57026 0.0295 0.2599 -0.48225 2015 1 5 57027 0.0279 0.2610 -0.48302 2015 1 6 57028 0.0262 0.2622 -0.48381 2015 1 7 57029 0.0246 0.2633 -0.48464 2015 1 8 57030 0.0230 0.2645 -0.48554 2015 1 9 57031 0.0215 0.2657 -0.48650 2015 1 10 57032 0.0199 0.2669 -0.48753 2015 1 11 57033 0.0184 0.2681 -0.48861 2015 1 12 57034 0.0169 0.2694 -0.48971 2015 1 13 57035 0.0154 0.2707 -0.49082 2015 1 14 57036 0.0139 0.2720 -0.49191 2015 1 15 57037 0.0125 0.2734 -0.49296 2015 1 16 57038 0.0110 0.2747 -0.49397 2015 1 17 57039 0.0096 0.2761 -0.49494 2015 1 18 57040 0.0083 0.2775 -0.49589 2015 1 19 57041 0.0069 0.2790 -0.49688 2015 1 20 57042 0.0056 0.2804 -0.49797 2015 1 21 57043 0.0043 0.2819 -0.49920 2015 1 22 57044 0.0030 0.2834 -0.50059 2015 1 23 57045 0.0018 0.2849 -0.50213 2015 1 24 57046 0.0005 0.2865 -0.50375 2015 1 25 57047 -0.0007 0.2881 -0.50536 2015 1 26 57048 -0.0018 0.2896 -0.50688 2015 1 27 57049 -0.0030 0.2913 -0.50826 2015 1 28 57050 -0.0041 0.2929 -0.50948 2015 1 29 57051 -0.0052 0.2945 -0.51054 2015 1 30 57052 -0.0062 0.2962 -0.51149 2015 1 31 57053 -0.0072 0.2979 -0.51237 2015 2 1 57054 -0.0082 0.2996 -0.51321 2015 2 2 57055 -0.0092 0.3013 -0.51407 2015 2 3 57056 -0.0101 0.3030 -0.51497 2015 2 4 57057 -0.0110 0.3048 -0.51595 2015 2 5 57058 -0.0119 0.3065 -0.51700 2015 2 6 57059 -0.0127 0.3083 -0.51813 2015 2 7 57060 -0.0135 0.3101 -0.51932 2015 2 8 57061 -0.0143 0.3119 -0.52055 2015 2 9 57062 -0.0151 0.3137 -0.52180 2015 2 10 57063 -0.0158 0.3156 -0.52304 2015 2 11 57064 -0.0165 0.3174 -0.52425 2015 2 12 57065 -0.0171 0.3193 -0.52541 2015 2 13 57066 -0.0177 0.3211 -0.52654 2015 2 14 57067 -0.0183 0.3230 -0.52766 2015 2 15 57068 -0.0188 0.3249 -0.52880 2015 2 16 57069 -0.0193 0.3268 -0.53002 2015 2 17 57070 -0.0198 0.3287 -0.53138 2015 2 18 57071 -0.0203 0.3307 -0.53292 2015 2 19 57072 -0.0207 0.3326 -0.53466 2015 2 20 57073 -0.0210 0.3345 -0.53653 2015 2 21 57074 -0.0214 0.3365 -0.53847 2015 2 22 57075 -0.0217 0.3384 -0.54036 2015 2 23 57076 -0.0220 0.3404 -0.54212 2015 2 24 57077 -0.0222 0.3424 -0.54372 2015 2 25 57078 -0.0224 0.3443 -0.54514 2015 2 26 57079 -0.0225 0.3463 -0.54642 2015 2 27 57080 -0.0227 0.3483 -0.54760 2015 2 28 57081 -0.0228 0.3503 -0.54874 2015 3 1 57082 -0.0228 0.3523 -0.54987 2015 3 2 57083 -0.0228 0.3543 -0.55104 2015 3 3 57084 -0.0228 0.3563 -0.55227 2015 3 4 57085 -0.0228 0.3583 -0.55358 2015 3 5 57086 -0.0227 0.3603 -0.55496 2015 3 6 57087 -0.0225 0.3623 -0.55642 2015 3 7 57088 -0.0224 0.3643 -0.55792 2015 3 8 57089 -0.0222 0.3663 -0.55945 2015 3 9 57090 -0.0219 0.3683 -0.56097 2015 3 10 57091 -0.0217 0.3702 -0.56247 2015 3 11 57092 -0.0214 0.3722 -0.56392 2015 3 12 57093 -0.0210 0.3742 -0.56533 2015 3 13 57094 -0.0206 0.3762 -0.56671 2015 3 14 57095 -0.0202 0.3782 -0.56809 2015 3 15 57096 -0.0197 0.3802 -0.56953 2015 3 16 57097 -0.0193 0.3821 -0.57108 2015 3 17 57098 -0.0187 0.3841 -0.57279 2015 3 18 57099 -0.0182 0.3861 -0.57470 2015 3 19 57100 -0.0176 0.3880 -0.57677 2015 3 20 57101 -0.0169 0.3900 -0.57895 2015 3 21 57102 -0.0163 0.3919 -0.58113 2015 3 22 57103 -0.0156 0.3938 -0.58319 2015 3 23 57104 -0.0148 0.3958 -0.58506 2015 3 24 57105 -0.0140 0.3977 -0.58670 2015 3 25 57106 -0.0132 0.3996 -0.58811 2015 3 26 57107 -0.0124 0.4015 -0.58936 2015 3 27 57108 -0.0115 0.4033 -0.59049 2015 3 28 57109 -0.0106 0.4052 -0.59156 2015 3 29 57110 -0.0096 0.4071 -0.59262 2015 3 30 57111 -0.0087 0.4089 -0.59372 2015 3 31 57112 -0.0076 0.4107 -0.59488 2015 4 1 57113 -0.0066 0.4125 -0.59612 2015 4 2 57114 -0.0055 0.4143 -0.59745 2015 4 3 57115 -0.0044 0.4161 -0.59885 2015 4 4 57116 -0.0032 0.4179 -0.60032 2015 4 5 57117 -0.0020 0.4196 -0.60183 2015 4 6 57118 -0.0008 0.4214 -0.60335 2015 4 7 57119 0.0004 0.4231 -0.60485 2015 4 8 57120 0.0017 0.4248 -0.60632 2015 4 9 57121 0.0030 0.4265 -0.60773 2015 4 10 57122 0.0044 0.4281 -0.60912 2015 4 11 57123 0.0057 0.4298 -0.61051 2015 4 12 57124 0.0071 0.4314 -0.61195 2015 4 13 57125 0.0086 0.4330 -0.61349 2015 4 14 57126 0.0100 0.4346 -0.61515 2015 4 15 57127 0.0115 0.4362 -0.61695 2015 4 16 57128 0.0131 0.4377 -0.61888 2015 4 17 57129 0.0146 0.4392 -0.62087 2015 4 18 57130 0.0162 0.4407 -0.62286 2015 4 19 57131 0.0178 0.4422 -0.62475 2015 4 20 57132 0.0194 0.4437 -0.62649 2015 4 21 57133 0.0211 0.4451 -0.62803 2015 4 22 57134 0.0228 0.4465 -0.62941 2015 4 23 57135 0.0245 0.4479 -0.63064 2015 4 24 57136 0.0263 0.4492 -0.63177 2015 4 25 57137 0.0280 0.4505 -0.63286 2015 4 26 57138 0.0298 0.4519 -0.63393 2015 4 27 57139 0.0316 0.4531 -0.63498 2015 4 28 57140 0.0335 0.4544 -0.63606 2015 4 29 57141 0.0354 0.4556 -0.63714 2015 4 30 57142 0.0372 0.4568 -0.63822 2015 5 1 57143 0.0392 0.4580 -0.63931 2015 5 2 57144 0.0411 0.4591 -0.64035 2015 5 3 57145 0.0430 0.4602 -0.64133 2015 5 4 57146 0.0450 0.4613 -0.64231 2015 5 5 57147 0.0470 0.4623 -0.64323 2015 5 6 57148 0.0490 0.4634 -0.64410 2015 5 7 57149 0.0511 0.4644 -0.64492 2015 5 8 57150 0.0531 0.4653 -0.64579 2015 5 9 57151 0.0552 0.4662 -0.64675 2015 5 10 57152 0.0573 0.4671 -0.64781 2015 5 11 57153 0.0594 0.4680 -0.64899 2015 5 12 57154 0.0615 0.4688 -0.65031 2015 5 13 57155 0.0637 0.4697 -0.65176 2015 5 14 57156 0.0658 0.4704 -0.65336 2015 5 15 57157 0.0680 0.4712 -0.65495 2015 5 16 57158 0.0702 0.4719 -0.65653 2015 5 17 57159 0.0724 0.4725 -0.65801 2015 5 18 57160 0.0746 0.4732 -0.65933 2015 5 19 57161 0.0769 0.4738 -0.66047 2015 5 20 57162 0.0791 0.4744 -0.66147 2015 5 21 57163 0.0814 0.4749 -0.66237 2015 5 22 57164 0.0836 0.4754 -0.66317 2015 5 23 57165 0.0859 0.4759 -0.66394 2015 5 24 57166 0.0882 0.4763 -0.66469 2015 5 25 57167 0.0905 0.4767 -0.66544 2015 5 26 57168 0.0928 0.4771 -0.66621 2015 5 27 57169 0.0951 0.4774 -0.66699 2015 5 28 57170 0.0974 0.4777 -0.66773 2015 5 29 57171 0.0997 0.4780 -0.66850 2015 5 30 57172 0.1021 0.4782 -0.66923 2015 5 31 57173 0.1044 0.4784 -0.66987 2015 6 1 57174 0.1067 0.4786 -0.67045 2015 6 2 57175 0.1091 0.4787 -0.67099 2015 6 3 57176 0.1114 0.4788 -0.67149 2015 6 4 57177 0.1138 0.4789 -0.67197 2015 6 5 57178 0.1161 0.4789 -0.67247 2015 6 6 57179 0.1185 0.4789 -0.67312 2015 6 7 57180 0.1209 0.4788 -0.67392 2015 6 8 57181 0.1232 0.4787 -0.67489 2015 6 9 57182 0.1256 0.4786 -0.67604 2015 6 10 57183 0.1279 0.4784 -0.67730 2015 6 11 57184 0.1303 0.4782 -0.67859 2015 6 12 57185 0.1326 0.4780 -0.67979 2015 6 13 57186 0.1350 0.4777 -0.68085 2015 6 14 57187 0.1373 0.4774 -0.68169 2015 6 15 57188 0.1397 0.4771 -0.68236 2015 6 16 57189 0.1420 0.4767 -0.68287 2015 6 17 57190 0.1443 0.4763 -0.68325 2015 6 18 57191 0.1466 0.4758 -0.68355 2015 6 19 57192 0.1490 0.4753 -0.68379 2015 6 20 57193 0.1513 0.4748 -0.68399 2015 6 21 57194 0.1536 0.4743 -0.68421 2015 6 22 57195 0.1559 0.4737 -0.68443 2015 6 23 57196 0.1581 0.4730 -0.68470 2015 6 24 57197 0.1604 0.4724 -0.68500 2015 6 25 57198 0.1627 0.4717 -0.68530 2015 6 26 57199 0.1649 0.4710 -0.68560 2015 6 27 57200 0.1672 0.4702 -0.68580 2015 6 28 57201 0.1694 0.4694 -0.68592 2015 6 29 57202 0.1716 0.4686 -0.68596 2015 6 30 57203 0.1738 0.4677 -0.68597 2015 7 1 57204 0.1760 0.4668 -0.68597 2015 7 2 57205 0.1782 0.4658 -0.68599 2015 7 3 57206 0.1803 0.4649 -0.68610 2015 7 4 57207 0.1825 0.4639 -0.68631 2015 7 5 57208 0.1846 0.4628 -0.68670 2015 7 6 57209 0.1867 0.4618 -0.68720 2015 7 7 57210 0.1888 0.4607 -0.68784 2015 7 8 57211 0.1908 0.4595 -0.68850 2015 7 9 57212 0.1929 0.4584 -0.68909 2015 7 10 57213 0.1949 0.4572 -0.68954 2015 7 11 57214 0.1969 0.4559 -0.68988 2015 7 12 57215 0.1989 0.4547 -0.69009 2015 7 13 57216 0.2009 0.4534 -0.69015 2015 7 14 57217 0.2028 0.4520 -0.69011 2015 7 15 57218 0.2047 0.4507 -0.69006 2015 7 16 57219 0.2066 0.4493 -0.69005 2015 7 17 57220 0.2085 0.4479 -0.68999 2015 7 18 57221 0.2103 0.4465 -0.68995 2015 7 19 57222 0.2122 0.4450 -0.69000 2015 7 20 57223 0.2140 0.4435 -0.69009 2015 7 21 57224 0.2157 0.4420 -0.69019 2015 7 22 57225 0.2175 0.4404 -0.69029 2015 7 23 57226 0.2192 0.4388 -0.69034 2015 7 24 57227 0.2209 0.4372 -0.69033 2015 7 25 57228 0.2226 0.4356 -0.69031 2015 7 26 57229 0.2242 0.4339 -0.69023 2015 7 27 57230 0.2258 0.4322 -0.69008 2015 7 28 57231 0.2274 0.4305 -0.68986 2015 7 29 57232 0.2289 0.4288 -0.68961 2015 7 30 57233 0.2305 0.4270 -0.68942 2015 7 31 57234 0.2319 0.4252 -0.68938 2015 8 1 57235 0.2334 0.4234 -0.68957 2015 8 2 57236 0.2348 0.4216 -0.69000 2015 8 3 57237 0.2362 0.4197 -0.69061 2015 8 4 57238 0.2376 0.4178 -0.69125 2015 8 5 57239 0.2389 0.4159 -0.69182 2015 8 6 57240 0.2402 0.4140 -0.69224 2015 8 7 57241 0.2415 0.4121 -0.69253 2015 8 8 57242 0.2427 0.4101 -0.69278 2015 8 9 57243 0.2439 0.4081 -0.69296 2015 8 10 57244 0.2450 0.4061 -0.69307 2015 8 11 57245 0.2462 0.4041 -0.69314 2015 8 12 57246 0.2472 0.4021 -0.69317 2015 8 13 57247 0.2483 0.4000 -0.69322 2015 8 14 57248 0.2493 0.3979 -0.69334 2015 8 15 57249 0.2503 0.3958 -0.69344 2015 8 16 57250 0.2512 0.3937 -0.69354 2015 8 17 57251 0.2521 0.3916 -0.69367 2015 8 18 57252 0.2530 0.3895 -0.69384 2015 8 19 57253 0.2538 0.3873 -0.69404 2015 8 20 57254 0.2546 0.3852 -0.69426 2015 8 21 57255 0.2554 0.3830 -0.69449 2015 8 22 57256 0.2561 0.3808 -0.69471 2015 8 23 57257 0.2568 0.3786 -0.69486 2015 8 24 57258 0.2574 0.3764 -0.69500 2015 8 25 57259 0.2580 0.3742 -0.69516 2015 8 26 57260 0.2586 0.3719 -0.69538 2015 8 27 57261 0.2591 0.3697 -0.69571 2015 8 28 57262 0.2596 0.3675 -0.69629 2015 8 29 57263 0.2600 0.3652 -0.69708 2015 8 30 57264 0.2604 0.3629 -0.69810 2015 8 31 57265 0.2608 0.3607 -0.69926 2015 9 1 57266 0.2611 0.3584 -0.70041 2015 9 2 57267 0.2614 0.3561 -0.70148 2015 9 3 57268 0.2617 0.3538 -0.70238 2015 9 4 57269 0.2619 0.3515 -0.70310 2015 9 5 57270 0.2620 0.3492 -0.70364 2015 9 6 57271 0.2621 0.3469 -0.70411 2015 9 7 57272 0.2622 0.3446 -0.70451 2015 9 8 57273 0.2623 0.3423 -0.70491 2015 9 9 57274 0.2623 0.3400 -0.70536 2015 9 10 57275 0.2622 0.3377 -0.70589 2015 9 11 57276 0.2621 0.3353 -0.70655 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).