********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 16 October 2014 Vol. XXVII No. 042 ______________________________________________________________________ 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 = -0.4 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 * * * * Distribution statement A. Approved for public release: * * distribution unlimited. * * * *********************************************************************** ________________________________________________________________________ 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 10 10 56940 0.17207 .00009 0.27687 .00009 -0.362835 0.000023 14 10 11 56941 0.16951 .00009 0.27566 .00009 -0.364003 0.000022 14 10 12 56942 0.16709 .00009 0.27431 .00009 -0.365091 0.000021 14 10 13 56943 0.16495 .00009 0.27293 .00009 -0.366111 0.000023 14 10 14 56944 0.16323 .00009 0.27167 .00009 -0.367030 0.000065 14 10 15 56945 0.16181 .00009 0.27060 .00010 -0.367926 0.000065 14 10 16 56946 0.16040 .00009 0.26961 .00010 -0.368835 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 = 0.0966 + 0.0531 cos A - 0.0299 sin A + 0.0147 cos C - 0.0532 sin C y = 0.3482 - 0.0259 cos A - 0.0474 sin A - 0.0532 cos C - 0.0147 sin C UT1-UTC = -0.4014 - 0.00102 (MJD - 56954) - (UT2-UT1) where A = 2*pi*(MJD-56946)/365.25 and C = 2*pi*(MJD-56946)/435. TAI-UTC(MJD 56947) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56946)**0.80 S t = 0.00025 (MJD-56946)**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 10 17 56947 0.1589 0.2687 -0.36982 2014 10 18 56948 0.1574 0.2677 -0.37089 2014 10 19 56949 0.1557 0.2668 -0.37201 2014 10 20 56950 0.1540 0.2658 -0.37319 2014 10 21 56951 0.1524 0.2649 -0.37444 2014 10 22 56952 0.1507 0.2640 -0.37573 2014 10 23 56953 0.1491 0.2631 -0.37701 2014 10 24 56954 0.1474 0.2623 -0.37826 2014 10 25 56955 0.1458 0.2615 -0.37946 2014 10 26 56956 0.1441 0.2608 -0.38060 2014 10 27 56957 0.1425 0.2602 -0.38168 2014 10 28 56958 0.1408 0.2595 -0.38276 2014 10 29 56959 0.1391 0.2589 -0.38385 2014 10 30 56960 0.1374 0.2582 -0.38502 2014 10 31 56961 0.1357 0.2576 -0.38631 2014 11 1 56962 0.1340 0.2570 -0.38773 2014 11 2 56963 0.1323 0.2564 -0.38928 2014 11 3 56964 0.1306 0.2558 -0.39093 2014 11 4 56965 0.1289 0.2553 -0.39261 2014 11 5 56966 0.1272 0.2548 -0.39423 2014 11 6 56967 0.1255 0.2543 -0.39572 2014 11 7 56968 0.1237 0.2539 -0.39705 2014 11 8 56969 0.1220 0.2534 -0.39821 2014 11 9 56970 0.1203 0.2530 -0.39923 2014 11 10 56971 0.1185 0.2527 -0.40017 2014 11 11 56972 0.1168 0.2523 -0.40108 2014 11 12 56973 0.1150 0.2520 -0.40201 2014 11 13 56974 0.1133 0.2517 -0.40297 2014 11 14 56975 0.1115 0.2515 -0.40398 2014 11 15 56976 0.1097 0.2512 -0.40506 2014 11 16 56977 0.1079 0.2510 -0.40621 2014 11 17 56978 0.1061 0.2508 -0.40743 2014 11 18 56979 0.1043 0.2507 -0.40869 2014 11 19 56980 0.1025 0.2505 -0.40997 2014 11 20 56981 0.1007 0.2504 -0.41124 2014 11 21 56982 0.0989 0.2504 -0.41247 2014 11 22 56983 0.0971 0.2503 -0.41363 2014 11 23 56984 0.0953 0.2503 -0.41471 2014 11 24 56985 0.0935 0.2503 -0.41575 2014 11 25 56986 0.0917 0.2504 -0.41679 2014 11 26 56987 0.0899 0.2504 -0.41788 2014 11 27 56988 0.0881 0.2505 -0.41908 2014 11 28 56989 0.0863 0.2506 -0.42042 2014 11 29 56990 0.0844 0.2508 -0.42187 2014 11 30 56991 0.0826 0.2510 -0.42342 2014 12 1 56992 0.0808 0.2512 -0.42499 2014 12 2 56993 0.0790 0.2514 -0.42654 2014 12 3 56994 0.0772 0.2517 -0.42799 2014 12 4 56995 0.0754 0.2520 -0.42930 2014 12 5 56996 0.0736 0.2523 -0.43047 2014 12 6 56997 0.0718 0.2527 -0.43151 2014 12 7 56998 0.0700 0.2531 -0.43245 2014 12 8 56999 0.0682 0.2535 -0.43333 2014 12 9 57000 0.0664 0.2539 -0.43421 2014 12 10 57001 0.0646 0.2544 -0.43512 2014 12 11 57002 0.0629 0.2549 -0.43607 2014 12 12 57003 0.0611 0.2554 -0.43710 2014 12 13 57004 0.0593 0.2560 -0.43820 2014 12 14 57005 0.0576 0.2566 -0.43936 2014 12 15 57006 0.0558 0.2572 -0.44058 2014 12 16 57007 0.0541 0.2579 -0.44182 2014 12 17 57008 0.0524 0.2585 -0.44305 2014 12 18 57009 0.0507 0.2592 -0.44425 2014 12 19 57010 0.0490 0.2600 -0.44541 2014 12 20 57011 0.0473 0.2607 -0.44651 2014 12 21 57012 0.0456 0.2615 -0.44757 2014 12 22 57013 0.0439 0.2623 -0.44863 2014 12 23 57014 0.0423 0.2631 -0.44972 2014 12 24 57015 0.0406 0.2640 -0.45091 2014 12 25 57016 0.0390 0.2649 -0.45224 2014 12 26 57017 0.0374 0.2658 -0.45371 2014 12 27 57018 0.0358 0.2668 -0.45528 2014 12 28 57019 0.0342 0.2678 -0.45689 2014 12 29 57020 0.0326 0.2688 -0.45847 2014 12 30 57021 0.0311 0.2698 -0.45996 2014 12 31 57022 0.0296 0.2708 -0.46131 2015 1 1 57023 0.0280 0.2719 -0.46252 2015 1 2 57024 0.0266 0.2730 -0.46357 2015 1 3 57025 0.0251 0.2742 -0.46452 2015 1 4 57026 0.0236 0.2753 -0.46539 2015 1 5 57027 0.0222 0.2765 -0.46623 2015 1 6 57028 0.0208 0.2777 -0.46709 2015 1 7 57029 0.0194 0.2789 -0.46800 2015 1 8 57030 0.0180 0.2802 -0.46896 2015 1 9 57031 0.0166 0.2814 -0.46999 2015 1 10 57032 0.0153 0.2827 -0.47109 2015 1 11 57033 0.0140 0.2841 -0.47224 2015 1 12 57034 0.0127 0.2854 -0.47341 2015 1 13 57035 0.0114 0.2868 -0.47459 2015 1 14 57036 0.0102 0.2882 -0.47575 2015 1 15 57037 0.0089 0.2896 -0.47687 2015 1 16 57038 0.0077 0.2910 -0.47794 2015 1 17 57039 0.0066 0.2924 -0.47898 2015 1 18 57040 0.0054 0.2939 -0.48001 2015 1 19 57041 0.0043 0.2954 -0.48107 2015 1 20 57042 0.0032 0.2969 -0.48223 2015 1 21 57043 0.0021 0.2984 -0.48354 2015 1 22 57044 0.0011 0.3000 -0.48502 2015 1 23 57045 0.0001 0.3016 -0.48664 2015 1 24 57046 -0.0009 0.3031 -0.48834 2015 1 25 57047 -0.0019 0.3048 -0.49003 2015 1 26 57048 -0.0028 0.3064 -0.49163 2015 1 27 57049 -0.0037 0.3080 -0.49308 2015 1 28 57050 -0.0046 0.3097 -0.49437 2015 1 29 57051 -0.0054 0.3113 -0.49550 2015 1 30 57052 -0.0062 0.3130 -0.49651 2015 1 31 57053 -0.0070 0.3147 -0.49744 2015 2 1 57054 -0.0078 0.3164 -0.49833 2015 2 2 57055 -0.0085 0.3182 -0.49920 2015 2 3 57056 -0.0092 0.3199 -0.50012 2015 2 4 57057 -0.0098 0.3217 -0.50111 2015 2 5 57058 -0.0105 0.3234 -0.50218 2015 2 6 57059 -0.0111 0.3252 -0.50332 2015 2 7 57060 -0.0116 0.3270 -0.50452 2015 2 8 57061 -0.0122 0.3288 -0.50576 2015 2 9 57062 -0.0127 0.3306 -0.50701 2015 2 10 57063 -0.0131 0.3324 -0.50825 2015 2 11 57064 -0.0136 0.3343 -0.50946 2015 2 12 57065 -0.0140 0.3361 -0.51063 2015 2 13 57066 -0.0143 0.3380 -0.51177 2015 2 14 57067 -0.0147 0.3398 -0.51288 2015 2 15 57068 -0.0150 0.3417 -0.51403 2015 2 16 57069 -0.0153 0.3436 -0.51525 2015 2 17 57070 -0.0155 0.3454 -0.51662 2015 2 18 57071 -0.0157 0.3473 -0.51817 2015 2 19 57072 -0.0159 0.3492 -0.51991 2015 2 20 57073 -0.0160 0.3511 -0.52179 2015 2 21 57074 -0.0161 0.3530 -0.52373 2015 2 22 57075 -0.0162 0.3549 -0.52562 2015 2 23 57076 -0.0162 0.3568 -0.52739 2015 2 24 57077 -0.0162 0.3588 -0.52900 2015 2 25 57078 -0.0161 0.3607 -0.53043 2015 2 26 57079 -0.0161 0.3626 -0.53171 2015 2 27 57080 -0.0160 0.3645 -0.53290 2015 2 28 57081 -0.0158 0.3664 -0.53404 2015 3 1 57082 -0.0156 0.3683 -0.53518 2015 3 2 57083 -0.0154 0.3703 -0.53635 2015 3 3 57084 -0.0152 0.3722 -0.53759 2015 3 4 57085 -0.0149 0.3741 -0.53890 2015 3 5 57086 -0.0146 0.3760 -0.54029 2015 3 6 57087 -0.0142 0.3779 -0.54174 2015 3 7 57088 -0.0138 0.3798 -0.54324 2015 3 8 57089 -0.0134 0.3817 -0.54477 2015 3 9 57090 -0.0129 0.3836 -0.54628 2015 3 10 57091 -0.0124 0.3855 -0.54777 2015 3 11 57092 -0.0119 0.3874 -0.54920 2015 3 12 57093 -0.0113 0.3893 -0.55059 2015 3 13 57094 -0.0107 0.3912 -0.55194 2015 3 14 57095 -0.0101 0.3930 -0.55329 2015 3 15 57096 -0.0094 0.3949 -0.55469 2015 3 16 57097 -0.0087 0.3968 -0.55620 2015 3 17 57098 -0.0080 0.3986 -0.55788 2015 3 18 57099 -0.0072 0.4004 -0.55975 2015 3 19 57100 -0.0064 0.4023 -0.56180 2015 3 20 57101 -0.0056 0.4041 -0.56398 2015 3 21 57102 -0.0047 0.4059 -0.56618 2015 3 22 57103 -0.0038 0.4077 -0.56830 2015 3 23 57104 -0.0028 0.4095 -0.57027 2015 3 24 57105 -0.0018 0.4112 -0.57205 2015 3 25 57106 -0.0008 0.4130 -0.57367 2015 3 26 57107 0.0002 0.4147 -0.57514 2015 3 27 57108 0.0013 0.4165 -0.57653 2015 3 28 57109 0.0024 0.4182 -0.57789 2015 3 29 57110 0.0035 0.4199 -0.57925 2015 3 30 57111 0.0047 0.4216 -0.58065 2015 3 31 57112 0.0059 0.4232 -0.58211 2015 4 1 57113 0.0071 0.4249 -0.58364 2015 4 2 57114 0.0084 0.4265 -0.58522 2015 4 3 57115 0.0097 0.4281 -0.58685 2015 4 4 57116 0.0110 0.4297 -0.58849 2015 4 5 57117 0.0124 0.4313 -0.59013 2015 4 6 57118 0.0138 0.4329 -0.59173 2015 4 7 57119 0.0152 0.4344 -0.59328 2015 4 8 57120 0.0166 0.4359 -0.59476 2015 4 9 57121 0.0181 0.4374 -0.59619 2015 4 10 57122 0.0196 0.4389 -0.59759 2015 4 11 57123 0.0211 0.4403 -0.59901 2015 4 12 57124 0.0227 0.4418 -0.60050 2015 4 13 57125 0.0243 0.4432 -0.60213 2015 4 14 57126 0.0259 0.4446 -0.60393 2015 4 15 57127 0.0275 0.4459 -0.60592 2015 4 16 57128 0.0292 0.4473 -0.60808 2015 4 17 57129 0.0309 0.4486 -0.61034 2015 4 18 57130 0.0326 0.4499 -0.61261 2015 4 19 57131 0.0343 0.4512 -0.61481 2015 4 20 57132 0.0361 0.4524 -0.61686 2015 4 21 57133 0.0379 0.4536 -0.61876 2015 4 22 57134 0.0397 0.4548 -0.62053 2015 4 23 57135 0.0415 0.4560 -0.62220 2015 4 24 57136 0.0434 0.4571 -0.62380 2015 4 25 57137 0.0453 0.4582 -0.62537 2015 4 26 57138 0.0472 0.4593 -0.62693 2015 4 27 57139 0.0491 0.4603 -0.62849 2015 4 28 57140 0.0511 0.4614 -0.63006 2015 4 29 57141 0.0530 0.4624 -0.63164 2015 4 30 57142 0.0550 0.4633 -0.63324 2015 5 1 57143 0.0570 0.4643 -0.63482 2015 5 2 57144 0.0590 0.4652 -0.63635 2015 5 3 57145 0.0611 0.4660 -0.63781 2015 5 4 57146 0.0631 0.4669 -0.63916 2015 5 5 57147 0.0652 0.4677 -0.64039 2015 5 6 57148 0.0673 0.4685 -0.64149 2015 5 7 57149 0.0694 0.4692 -0.64248 2015 5 8 57150 0.0715 0.4700 -0.64340 2015 5 9 57151 0.0737 0.4706 -0.64431 2015 5 10 57152 0.0758 0.4713 -0.64528 2015 5 11 57153 0.0780 0.4719 -0.64636 2015 5 12 57154 0.0802 0.4725 -0.64760 2015 5 13 57155 0.0824 0.4731 -0.64898 2015 5 14 57156 0.0846 0.4736 -0.65046 2015 5 15 57157 0.0868 0.4741 -0.65196 2015 5 16 57158 0.0890 0.4745 -0.65336 2015 5 17 57159 0.0913 0.4750 -0.65460 2015 5 18 57160 0.0935 0.4754 -0.65562 2015 5 19 57161 0.0958 0.4757 -0.65642 2015 5 20 57162 0.0980 0.4760 -0.65707 2015 5 21 57163 0.1003 0.4763 -0.65762 2015 5 22 57164 0.1026 0.4766 -0.65814 2015 5 23 57165 0.1049 0.4768 -0.65868 2015 5 24 57166 0.1072 0.4770 -0.65927 2015 5 25 57167 0.1095 0.4771 -0.65991 2015 5 26 57168 0.1118 0.4772 -0.66057 2015 5 27 57169 0.1141 0.4773 -0.66124 2015 5 28 57170 0.1164 0.4774 -0.66186 2015 5 29 57171 0.1187 0.4774 -0.66237 2015 5 30 57172 0.1210 0.4773 -0.66281 2015 5 31 57173 0.1233 0.4773 -0.66316 2015 6 1 57174 0.1257 0.4772 -0.66342 2015 6 2 57175 0.1280 0.4770 -0.66361 2015 6 3 57176 0.1303 0.4769 -0.66378 2015 6 4 57177 0.1326 0.4767 -0.66398 2015 6 5 57178 0.1349 0.4764 -0.66427 2015 6 6 57179 0.1372 0.4761 -0.66466 2015 6 7 57180 0.1395 0.4758 -0.66517 2015 6 8 57181 0.1418 0.4755 -0.66584 2015 6 9 57182 0.1441 0.4751 -0.66669 2015 6 10 57183 0.1464 0.4747 -0.66765 2015 6 11 57184 0.1487 0.4742 -0.66863 2015 6 12 57185 0.1510 0.4737 -0.66960 2015 6 13 57186 0.1533 0.4732 -0.67048 2015 6 14 57187 0.1556 0.4726 -0.67120 2015 6 15 57188 0.1578 0.4720 -0.67176 2015 6 16 57189 0.1601 0.4714 -0.67220 2015 6 17 57190 0.1623 0.4707 -0.67254 2015 6 18 57191 0.1646 0.4700 -0.67283 2015 6 19 57192 0.1668 0.4693 -0.67315 2015 6 20 57193 0.1690 0.4685 -0.67349 2015 6 21 57194 0.1712 0.4677 -0.67378 2015 6 22 57195 0.1734 0.4669 -0.67408 2015 6 23 57196 0.1756 0.4660 -0.67440 2015 6 24 57197 0.1777 0.4651 -0.67470 2015 6 25 57198 0.1799 0.4641 -0.67498 2015 6 26 57199 0.1820 0.4631 -0.67525 2015 6 27 57200 0.1841 0.4621 -0.67550 2015 6 28 57201 0.1862 0.4611 -0.67570 2015 6 29 57202 0.1883 0.4600 -0.67586 2015 6 30 57203 0.1904 0.4589 -0.67595 2015 7 1 57204 0.1924 0.4577 -0.67600 2015 7 2 57205 0.1944 0.4566 -0.67604 2015 7 3 57206 0.1964 0.4554 -0.67609 2015 7 4 57207 0.1984 0.4541 -0.67625 2015 7 5 57208 0.2004 0.4529 -0.67652 2015 7 6 57209 0.2024 0.4516 -0.67686 2015 7 7 57210 0.2043 0.4502 -0.67728 2015 7 8 57211 0.2062 0.4489 -0.67767 2015 7 9 57212 0.2081 0.4475 -0.67799 2015 7 10 57213 0.2099 0.4460 -0.67821 2015 7 11 57214 0.2118 0.4446 -0.67824 2015 7 12 57215 0.2136 0.4431 -0.67811 2015 7 13 57216 0.2154 0.4416 -0.67790 2015 7 14 57217 0.2171 0.4401 -0.67762 2015 7 15 57218 0.2189 0.4385 -0.67731 2015 7 16 57219 0.2206 0.4369 -0.67702 2015 7 17 57220 0.2222 0.4353 -0.67683 2015 7 18 57221 0.2239 0.4336 -0.67676 2015 7 19 57222 0.2255 0.4319 -0.67677 2015 7 20 57223 0.2271 0.4302 -0.67683 2015 7 21 57224 0.2287 0.4285 -0.67692 2015 7 22 57225 0.2302 0.4268 -0.67706 2015 7 23 57226 0.2317 0.4250 -0.67725 2015 7 24 57227 0.2332 0.4232 -0.67740 2015 7 25 57228 0.2347 0.4213 -0.67756 2015 7 26 57229 0.2361 0.4195 -0.67773 2015 7 27 57230 0.2375 0.4176 -0.67786 2015 7 28 57231 0.2388 0.4157 -0.67796 2015 7 29 57232 0.2401 0.4138 -0.67808 2015 7 30 57233 0.2414 0.4119 -0.67825 2015 7 31 57234 0.2427 0.4099 -0.67850 2015 8 1 57235 0.2439 0.4079 -0.67888 2015 8 2 57236 0.2451 0.4059 -0.67939 2015 8 3 57237 0.2462 0.4039 -0.68001 2015 8 4 57238 0.2474 0.4019 -0.68068 2015 8 5 57239 0.2484 0.3998 -0.68132 2015 8 6 57240 0.2495 0.3977 -0.68182 2015 8 7 57241 0.2505 0.3956 -0.68222 2015 8 8 57242 0.2515 0.3935 -0.68246 2015 8 9 57243 0.2524 0.3914 -0.68253 2015 8 10 57244 0.2533 0.3892 -0.68253 2015 8 11 57245 0.2542 0.3871 -0.68252 2015 8 12 57246 0.2550 0.3849 -0.68253 2015 8 13 57247 0.2558 0.3827 -0.68260 2015 8 14 57248 0.2566 0.3805 -0.68274 2015 8 15 57249 0.2573 0.3783 -0.68305 2015 8 16 57250 0.2579 0.3761 -0.68347 2015 8 17 57251 0.2586 0.3739 -0.68399 2015 8 18 57252 0.2592 0.3716 -0.68463 2015 8 19 57253 0.2597 0.3693 -0.68532 2015 8 20 57254 0.2603 0.3671 -0.68602 2015 8 21 57255 0.2607 0.3648 -0.68665 2015 8 22 57256 0.2612 0.3625 -0.68721 2015 8 23 57257 0.2616 0.3602 -0.68768 2015 8 24 57258 0.2619 0.3579 -0.68812 2015 8 25 57259 0.2623 0.3556 -0.68856 2015 8 26 57260 0.2625 0.3533 -0.68902 2015 8 27 57261 0.2628 0.3510 -0.68957 2015 8 28 57262 0.2630 0.3486 -0.69023 2015 8 29 57263 0.2631 0.3463 -0.69104 2015 8 30 57264 0.2633 0.3440 -0.69202 2015 8 31 57265 0.2633 0.3416 -0.69309 2015 9 1 57266 0.2634 0.3393 -0.69423 2015 9 2 57267 0.2634 0.3369 -0.69532 2015 9 3 57268 0.2633 0.3346 -0.69629 2015 9 4 57269 0.2632 0.3322 -0.69711 2015 9 5 57270 0.2631 0.3299 -0.69773 2015 9 6 57271 0.2629 0.3275 -0.69821 2015 9 7 57272 0.2627 0.3252 -0.69860 2015 9 8 57273 0.2625 0.3229 -0.69901 2015 9 9 57274 0.2622 0.3205 -0.69947 2015 9 10 57275 0.2619 0.3182 -0.70001 2015 9 11 57276 0.2615 0.3158 -0.70064 2015 9 12 57277 0.2611 0.3135 -0.70136 2015 9 13 57278 0.2606 0.3112 -0.70216 2015 9 14 57279 0.2601 0.3089 -0.70300 2015 9 15 57280 0.2596 0.3066 -0.70390 2015 9 16 57281 0.2590 0.3042 -0.70481 2015 9 17 57282 0.2584 0.3019 -0.70567 2015 9 18 57283 0.2577 0.2997 -0.70645 2015 9 19 57284 0.2570 0.2974 -0.70722 2015 9 20 57285 0.2563 0.2951 -0.70798 2015 9 21 57286 0.2555 0.2928 -0.70872 2015 9 22 57287 0.2547 0.2906 -0.70949 2015 9 23 57288 0.2538 0.2884 -0.71039 2015 9 24 57289 0.2529 0.2861 -0.71147 2015 9 25 57290 0.2520 0.2839 -0.71266 2015 9 26 57291 0.2510 0.2817 -0.71404 2015 9 27 57292 0.2500 0.2795 -0.71562 2015 9 28 57293 0.2489 0.2773 -0.71730 2015 9 29 57294 0.2478 0.2752 -0.71898 2015 9 30 57295 0.2467 0.2730 -0.72053 2015 10 1 57296 0.2455 0.2709 -0.72189 2015 10 2 57297 0.2443 0.2688 -0.72305 2015 10 3 57298 0.2431 0.2667 -0.72408 2015 10 4 57299 0.2418 0.2646 -0.72499 2015 10 5 57300 0.2405 0.2626 -0.72583 2015 10 6 57301 0.2391 0.2606 -0.72662 2015 10 7 57302 0.2377 0.2585 -0.72741 2015 10 8 57303 0.2363 0.2565 -0.72825 2015 10 9 57304 0.2348 0.2546 -0.72919 2015 10 10 57305 0.2333 0.2526 -0.73025 2015 10 11 57306 0.2318 0.2507 -0.73141 2015 10 12 57307 0.2302 0.2488 -0.73265 2015 10 13 57308 0.2286 0.2469 -0.73383 2015 10 14 57309 0.2270 0.2450 -0.73494 2015 10 15 57310 0.2253 0.2432 -0.73594 2015 10 16 57311 0.2236 0.2414 -0.73690 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).