********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 9 October 2014 Vol. XXVII No. 041 ______________________________________________________________________ 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 3 56933 0.18637 .00009 0.28631 .00009 -0.352926 0.000023 14 10 4 56934 0.18467 .00009 0.28513 .00009 -0.354008 0.000023 14 10 5 56935 0.18288 .00009 0.28391 .00010 -0.355304 0.000019 14 10 6 56936 0.18080 .00009 0.28261 .00009 -0.356769 0.000015 14 10 7 56937 0.17855 .00009 0.28112 .00009 -0.358361 0.000015 14 10 8 56938 0.17645 .00009 0.27952 .00009 -0.360002 0.000065 14 10 9 56939 0.17447 .00009 0.27791 .00010 -0.361565 0.000055 IERS Final Values MJD x y UT1-UTC " " s 14 8 2 56871 0.1961 0.3791 -0.31532 14 8 3 56872 0.1967 0.3776 -0.31565 14 8 4 56873 0.1976 0.3761 -0.31592 14 8 5 56874 0.1986 0.3745 -0.31611 14 8 6 56875 0.1998 0.3732 -0.31623 14 8 7 56876 0.2012 0.3722 -0.31629 14 8 8 56877 0.2022 0.3712 -0.31641 14 8 9 56878 0.2031 0.3701 -0.31666 14 8 10 56879 0.2043 0.3691 -0.31707 14 8 11 56880 0.2055 0.3683 -0.31766 14 8 12 56881 0.2066 0.3676 -0.31840 14 8 13 56882 0.2074 0.3669 -0.31921 14 8 14 56883 0.2080 0.3660 -0.32003 14 8 15 56884 0.2088 0.3649 -0.32079 14 8 16 56885 0.2097 0.3635 -0.32143 14 8 17 56886 0.2102 0.3621 -0.32194 14 8 18 56887 0.2104 0.3608 -0.32235 14 8 19 56888 0.2100 0.3593 -0.32267 14 8 20 56889 0.2097 0.3578 -0.32289 14 8 21 56890 0.2096 0.3561 -0.32305 14 8 22 56891 0.2097 0.3544 -0.32322 14 8 23 56892 0.2096 0.3525 -0.32342 14 8 24 56893 0.2095 0.3507 -0.32365 14 8 25 56894 0.2095 0.3488 -0.32390 14 8 26 56895 0.2093 0.3470 -0.32420 14 8 27 56896 0.2091 0.3450 -0.32460 14 8 28 56897 0.2090 0.3428 -0.32507 14 8 29 56898 0.2090 0.3409 -0.32557 14 8 30 56899 0.2094 0.3395 -0.32605 14 8 31 56900 0.2096 0.3382 -0.32656 14 9 1 56901 0.2096 0.3369 -0.32709 _______________________________________________________________________ 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 = 0.1021 + 0.0560 cos A - 0.0255 sin A + 0.0195 cos C - 0.0494 sin C y = 0.3485 - 0.0215 cos A - 0.0498 sin A - 0.0494 cos C - 0.0195 sin C UT1-UTC = -0.3959 - 0.00102 (MJD - 56947) - (UT2-UT1) where A = 2*pi*(MJD-56939)/365.25 and C = 2*pi*(MJD-56939)/435. TAI-UTC(MJD 56940) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56939)**0.80 S t = 0.00025 (MJD-56939)**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 10 56940 0.1727 0.2764 -0.36292 2014 10 11 56941 0.1711 0.2749 -0.36409 2014 10 12 56942 0.1695 0.2736 -0.36514 2014 10 13 56943 0.1680 0.2723 -0.36609 2014 10 14 56944 0.1665 0.2711 -0.36697 2014 10 15 56945 0.1649 0.2700 -0.36784 2014 10 16 56946 0.1633 0.2688 -0.36871 2014 10 17 56947 0.1618 0.2677 -0.36964 2014 10 18 56948 0.1602 0.2666 -0.37064 2014 10 19 56949 0.1586 0.2655 -0.37174 2014 10 20 56950 0.1571 0.2645 -0.37291 2014 10 21 56951 0.1555 0.2636 -0.37413 2014 10 22 56952 0.1539 0.2627 -0.37539 2014 10 23 56953 0.1523 0.2618 -0.37666 2014 10 24 56954 0.1507 0.2609 -0.37790 2014 10 25 56955 0.1490 0.2601 -0.37907 2014 10 26 56956 0.1474 0.2593 -0.38016 2014 10 27 56957 0.1457 0.2584 -0.38116 2014 10 28 56958 0.1441 0.2577 -0.38213 2014 10 29 56959 0.1424 0.2569 -0.38312 2014 10 30 56960 0.1408 0.2562 -0.38420 2014 10 31 56961 0.1391 0.2555 -0.38542 2014 11 1 56962 0.1374 0.2548 -0.38682 2014 11 2 56963 0.1357 0.2542 -0.38837 2014 11 3 56964 0.1340 0.2536 -0.39003 2014 11 4 56965 0.1323 0.2530 -0.39172 2014 11 5 56966 0.1305 0.2524 -0.39338 2014 11 6 56967 0.1288 0.2519 -0.39493 2014 11 7 56968 0.1271 0.2514 -0.39634 2014 11 8 56969 0.1253 0.2509 -0.39759 2014 11 9 56970 0.1236 0.2505 -0.39871 2014 11 10 56971 0.1218 0.2501 -0.39975 2014 11 11 56972 0.1200 0.2497 -0.40073 2014 11 12 56973 0.1182 0.2493 -0.40170 2014 11 13 56974 0.1164 0.2490 -0.40271 2014 11 14 56975 0.1146 0.2486 -0.40376 2014 11 15 56976 0.1128 0.2484 -0.40490 2014 11 16 56977 0.1110 0.2481 -0.40612 2014 11 17 56978 0.1092 0.2479 -0.40741 2014 11 18 56979 0.1074 0.2477 -0.40874 2014 11 19 56980 0.1055 0.2475 -0.41008 2014 11 20 56981 0.1037 0.2474 -0.41141 2014 11 21 56982 0.1019 0.2473 -0.41269 2014 11 22 56983 0.1000 0.2472 -0.41390 2014 11 23 56984 0.0982 0.2471 -0.41504 2014 11 24 56985 0.0963 0.2471 -0.41613 2014 11 25 56986 0.0945 0.2471 -0.41723 2014 11 26 56987 0.0926 0.2472 -0.41839 2014 11 27 56988 0.0907 0.2472 -0.41966 2014 11 28 56989 0.0889 0.2473 -0.42105 2014 11 29 56990 0.0870 0.2474 -0.42258 2014 11 30 56991 0.0852 0.2476 -0.42421 2014 12 1 56992 0.0833 0.2478 -0.42587 2014 12 2 56993 0.0814 0.2480 -0.42751 2014 12 3 56994 0.0796 0.2482 -0.42907 2014 12 4 56995 0.0777 0.2485 -0.43051 2014 12 5 56996 0.0759 0.2488 -0.43179 2014 12 6 56997 0.0740 0.2492 -0.43295 2014 12 7 56998 0.0722 0.2495 -0.43399 2014 12 8 56999 0.0704 0.2499 -0.43498 2014 12 9 57000 0.0685 0.2503 -0.43595 2014 12 10 57001 0.0667 0.2508 -0.43694 2014 12 11 57002 0.0649 0.2513 -0.43799 2014 12 12 57003 0.0631 0.2518 -0.43910 2014 12 13 57004 0.0613 0.2523 -0.44027 2014 12 14 57005 0.0595 0.2529 -0.44151 2014 12 15 57006 0.0577 0.2535 -0.44279 2014 12 16 57007 0.0559 0.2541 -0.44410 2014 12 17 57008 0.0541 0.2548 -0.44541 2014 12 18 57009 0.0523 0.2555 -0.44669 2014 12 19 57010 0.0506 0.2562 -0.44791 2014 12 20 57011 0.0488 0.2569 -0.44908 2014 12 21 57012 0.0471 0.2577 -0.45021 2014 12 22 57013 0.0454 0.2585 -0.45131 2014 12 23 57014 0.0437 0.2593 -0.45244 2014 12 24 57015 0.0420 0.2602 -0.45366 2014 12 25 57016 0.0403 0.2611 -0.45501 2014 12 26 57017 0.0386 0.2620 -0.45648 2014 12 27 57018 0.0370 0.2629 -0.45805 2014 12 28 57019 0.0354 0.2639 -0.45965 2014 12 29 57020 0.0337 0.2649 -0.46121 2014 12 30 57021 0.0321 0.2659 -0.46268 2014 12 31 57022 0.0306 0.2669 -0.46401 2015 1 1 57023 0.0290 0.2680 -0.46520 2015 1 2 57024 0.0274 0.2691 -0.46624 2015 1 3 57025 0.0259 0.2702 -0.46718 2015 1 4 57026 0.0244 0.2714 -0.46804 2015 1 5 57027 0.0229 0.2726 -0.46888 2015 1 6 57028 0.0214 0.2738 -0.46974 2015 1 7 57029 0.0200 0.2750 -0.47065 2015 1 8 57030 0.0185 0.2762 -0.47163 2015 1 9 57031 0.0171 0.2775 -0.47267 2015 1 10 57032 0.0157 0.2788 -0.47377 2015 1 11 57033 0.0144 0.2801 -0.47493 2015 1 12 57034 0.0130 0.2815 -0.47612 2015 1 13 57035 0.0117 0.2828 -0.47730 2015 1 14 57036 0.0104 0.2842 -0.47847 2015 1 15 57037 0.0091 0.2856 -0.47960 2015 1 16 57038 0.0079 0.2871 -0.48068 2015 1 17 57039 0.0066 0.2885 -0.48171 2015 1 18 57040 0.0054 0.2900 -0.48273 2015 1 19 57041 0.0043 0.2915 -0.48377 2015 1 20 57042 0.0031 0.2930 -0.48490 2015 1 21 57043 0.0020 0.2945 -0.48618 2015 1 22 57044 0.0009 0.2961 -0.48762 2015 1 23 57045 -0.0002 0.2977 -0.48920 2015 1 24 57046 -0.0012 0.2993 -0.49085 2015 1 25 57047 -0.0022 0.3009 -0.49249 2015 1 26 57048 -0.0032 0.3025 -0.49402 2015 1 27 57049 -0.0041 0.3042 -0.49540 2015 1 28 57050 -0.0051 0.3058 -0.49663 2015 1 29 57051 -0.0060 0.3075 -0.49770 2015 1 30 57052 -0.0068 0.3092 -0.49866 2015 1 31 57053 -0.0077 0.3109 -0.49954 2015 2 1 57054 -0.0085 0.3126 -0.50039 2015 2 2 57055 -0.0092 0.3144 -0.50126 2015 2 3 57056 -0.0100 0.3161 -0.50217 2015 2 4 57057 -0.0107 0.3179 -0.50316 2015 2 5 57058 -0.0114 0.3197 -0.50422 2015 2 6 57059 -0.0120 0.3215 -0.50535 2015 2 7 57060 -0.0127 0.3233 -0.50654 2015 2 8 57061 -0.0132 0.3251 -0.50777 2015 2 9 57062 -0.0138 0.3270 -0.50902 2015 2 10 57063 -0.0143 0.3288 -0.51025 2015 2 11 57064 -0.0148 0.3306 -0.51145 2015 2 12 57065 -0.0152 0.3325 -0.51262 2015 2 13 57066 -0.0157 0.3344 -0.51374 2015 2 14 57067 -0.0160 0.3363 -0.51486 2015 2 15 57068 -0.0164 0.3382 -0.51599 2015 2 16 57069 -0.0167 0.3400 -0.51722 2015 2 17 57070 -0.0170 0.3419 -0.51858 2015 2 18 57071 -0.0173 0.3439 -0.52013 2015 2 19 57072 -0.0175 0.3458 -0.52188 2015 2 20 57073 -0.0176 0.3477 -0.52376 2015 2 21 57074 -0.0178 0.3496 -0.52571 2015 2 22 57075 -0.0179 0.3516 -0.52761 2015 2 23 57076 -0.0180 0.3535 -0.52939 2015 2 24 57077 -0.0180 0.3554 -0.53101 2015 2 25 57078 -0.0180 0.3574 -0.53245 2015 2 26 57079 -0.0180 0.3593 -0.53375 2015 2 27 57080 -0.0179 0.3613 -0.53495 2015 2 28 57081 -0.0178 0.3632 -0.53610 2015 3 1 57082 -0.0177 0.3652 -0.53724 2015 3 2 57083 -0.0175 0.3671 -0.53842 2015 3 3 57084 -0.0173 0.3690 -0.53967 2015 3 4 57085 -0.0171 0.3710 -0.54099 2015 3 5 57086 -0.0168 0.3729 -0.54238 2015 3 6 57087 -0.0165 0.3749 -0.54385 2015 3 7 57088 -0.0161 0.3768 -0.54535 2015 3 8 57089 -0.0157 0.3788 -0.54688 2015 3 9 57090 -0.0153 0.3807 -0.54840 2015 3 10 57091 -0.0148 0.3826 -0.54989 2015 3 11 57092 -0.0144 0.3845 -0.55133 2015 3 12 57093 -0.0138 0.3865 -0.55272 2015 3 13 57094 -0.0133 0.3884 -0.55407 2015 3 14 57095 -0.0127 0.3903 -0.55542 2015 3 15 57096 -0.0120 0.3922 -0.55682 2015 3 16 57097 -0.0114 0.3941 -0.55833 2015 3 17 57098 -0.0107 0.3959 -0.56001 2015 3 18 57099 -0.0099 0.3978 -0.56187 2015 3 19 57100 -0.0091 0.3997 -0.56392 2015 3 20 57101 -0.0083 0.4015 -0.56609 2015 3 21 57102 -0.0075 0.4034 -0.56829 2015 3 22 57103 -0.0066 0.4052 -0.57041 2015 3 23 57104 -0.0057 0.4070 -0.57237 2015 3 24 57105 -0.0048 0.4088 -0.57415 2015 3 25 57106 -0.0038 0.4106 -0.57576 2015 3 26 57107 -0.0028 0.4124 -0.57723 2015 3 27 57108 -0.0017 0.4142 -0.57862 2015 3 28 57109 -0.0007 0.4159 -0.57997 2015 3 29 57110 0.0005 0.4177 -0.58133 2015 3 30 57111 0.0016 0.4194 -0.58274 2015 3 31 57112 0.0028 0.4211 -0.58420 2015 4 1 57113 0.0040 0.4228 -0.58574 2015 4 2 57114 0.0052 0.4245 -0.58734 2015 4 3 57115 0.0065 0.4261 -0.58899 2015 4 4 57116 0.0078 0.4278 -0.59067 2015 4 5 57117 0.0091 0.4294 -0.59235 2015 4 6 57118 0.0105 0.4310 -0.59401 2015 4 7 57119 0.0119 0.4326 -0.59562 2015 4 8 57120 0.0133 0.4341 -0.59719 2015 4 9 57121 0.0148 0.4357 -0.59871 2015 4 10 57122 0.0162 0.4372 -0.60022 2015 4 11 57123 0.0177 0.4387 -0.60177 2015 4 12 57124 0.0193 0.4402 -0.60341 2015 4 13 57125 0.0208 0.4416 -0.60519 2015 4 14 57126 0.0224 0.4431 -0.60717 2015 4 15 57127 0.0241 0.4445 -0.60933 2015 4 16 57128 0.0257 0.4459 -0.61166 2015 4 17 57129 0.0274 0.4472 -0.61405 2015 4 18 57130 0.0291 0.4486 -0.61642 2015 4 19 57131 0.0308 0.4499 -0.61864 2015 4 20 57132 0.0326 0.4512 -0.62067 2015 4 21 57133 0.0343 0.4524 -0.62247 2015 4 22 57134 0.0361 0.4537 -0.62408 2015 4 23 57135 0.0380 0.4549 -0.62553 2015 4 24 57136 0.0398 0.4560 -0.62688 2015 4 25 57137 0.0417 0.4572 -0.62817 2015 4 26 57138 0.0436 0.4583 -0.62942 2015 4 27 57139 0.0455 0.4594 -0.63066 2015 4 28 57140 0.0474 0.4605 -0.63190 2015 4 29 57141 0.0494 0.4615 -0.63315 2015 4 30 57142 0.0514 0.4626 -0.63440 2015 5 1 57143 0.0534 0.4635 -0.63564 2015 5 2 57144 0.0554 0.4645 -0.63686 2015 5 3 57145 0.0574 0.4654 -0.63804 2015 5 4 57146 0.0595 0.4663 -0.63916 2015 5 5 57147 0.0615 0.4672 -0.64018 2015 5 6 57148 0.0636 0.4680 -0.64111 2015 5 7 57149 0.0657 0.4688 -0.64195 2015 5 8 57150 0.0679 0.4696 -0.64275 2015 5 9 57151 0.0700 0.4703 -0.64357 2015 5 10 57152 0.0722 0.4710 -0.64449 2015 5 11 57153 0.0743 0.4717 -0.64554 2015 5 12 57154 0.0765 0.4723 -0.64673 2015 5 13 57155 0.0787 0.4729 -0.64801 2015 5 14 57156 0.0809 0.4735 -0.64934 2015 5 15 57157 0.0831 0.4740 -0.65061 2015 5 16 57158 0.0854 0.4745 -0.65176 2015 5 17 57159 0.0876 0.4750 -0.65273 2015 5 18 57160 0.0899 0.4754 -0.65351 2015 5 19 57161 0.0921 0.4759 -0.65412 2015 5 20 57162 0.0944 0.4762 -0.65463 2015 5 21 57163 0.0967 0.4766 -0.65513 2015 5 22 57164 0.0990 0.4769 -0.65565 2015 5 23 57165 0.1013 0.4771 -0.65621 2015 5 24 57166 0.1036 0.4773 -0.65680 2015 5 25 57167 0.1059 0.4775 -0.65747 2015 5 26 57168 0.1082 0.4777 -0.65825 2015 5 27 57169 0.1105 0.4778 -0.65908 2015 5 28 57170 0.1128 0.4779 -0.65994 2015 5 29 57171 0.1151 0.4780 -0.66083 2015 5 30 57172 0.1175 0.4780 -0.66170 2015 5 31 57173 0.1198 0.4780 -0.66250 2015 6 1 57174 0.1221 0.4779 -0.66325 2015 6 2 57175 0.1245 0.4778 -0.66392 2015 6 3 57176 0.1268 0.4777 -0.66453 2015 6 4 57177 0.1291 0.4775 -0.66511 2015 6 5 57178 0.1315 0.4773 -0.66573 2015 6 6 57179 0.1338 0.4771 -0.66641 2015 6 7 57180 0.1361 0.4768 -0.66710 2015 6 8 57181 0.1384 0.4765 -0.66790 2015 6 9 57182 0.1408 0.4762 -0.66877 2015 6 10 57183 0.1431 0.4758 -0.66969 2015 6 11 57184 0.1454 0.4754 -0.67060 2015 6 12 57185 0.1477 0.4749 -0.67147 2015 6 13 57186 0.1500 0.4745 -0.67225 2015 6 14 57187 0.1523 0.4739 -0.67289 2015 6 15 57188 0.1546 0.4734 -0.67339 2015 6 16 57189 0.1569 0.4728 -0.67373 2015 6 17 57190 0.1591 0.4722 -0.67397 2015 6 18 57191 0.1614 0.4715 -0.67414 2015 6 19 57192 0.1636 0.4708 -0.67426 2015 6 20 57193 0.1659 0.4701 -0.67439 2015 6 21 57194 0.1681 0.4693 -0.67453 2015 6 22 57195 0.1703 0.4685 -0.67466 2015 6 23 57196 0.1725 0.4677 -0.67480 2015 6 24 57197 0.1747 0.4668 -0.67492 2015 6 25 57198 0.1769 0.4659 -0.67501 2015 6 26 57199 0.1791 0.4649 -0.67508 2015 6 27 57200 0.1812 0.4640 -0.67506 2015 6 28 57201 0.1833 0.4630 -0.67496 2015 6 29 57202 0.1854 0.4619 -0.67486 2015 6 30 57203 0.1875 0.4609 -0.67471 2015 7 1 57204 0.1896 0.4597 -0.67456 2015 7 2 57205 0.1917 0.4586 -0.67444 2015 7 3 57206 0.1937 0.4574 -0.67444 2015 7 4 57207 0.1958 0.4562 -0.67462 2015 7 5 57208 0.1978 0.4550 -0.67496 2015 7 6 57209 0.1997 0.4537 -0.67544 2015 7 7 57210 0.2017 0.4524 -0.67600 2015 7 8 57211 0.2036 0.4511 -0.67660 2015 7 9 57212 0.2056 0.4497 -0.67721 2015 7 10 57213 0.2075 0.4484 -0.67771 2015 7 11 57214 0.2093 0.4469 -0.67812 2015 7 12 57215 0.2112 0.4455 -0.67843 2015 7 13 57216 0.2130 0.4440 -0.67861 2015 7 14 57217 0.2148 0.4425 -0.67870 2015 7 15 57218 0.2166 0.4410 -0.67874 2015 7 16 57219 0.2183 0.4394 -0.67877 2015 7 17 57220 0.2200 0.4378 -0.67877 2015 7 18 57221 0.2217 0.4362 -0.67881 2015 7 19 57222 0.2234 0.4345 -0.67886 2015 7 20 57223 0.2250 0.4329 -0.67893 2015 7 21 57224 0.2267 0.4312 -0.67901 2015 7 22 57225 0.2282 0.4294 -0.67911 2015 7 23 57226 0.2298 0.4277 -0.67915 2015 7 24 57227 0.2313 0.4259 -0.67921 2015 7 25 57228 0.2328 0.4241 -0.67923 2015 7 26 57229 0.2343 0.4223 -0.67916 2015 7 27 57230 0.2357 0.4204 -0.67906 2015 7 28 57231 0.2371 0.4186 -0.67898 2015 7 29 57232 0.2385 0.4167 -0.67895 2015 7 30 57233 0.2398 0.4147 -0.67899 2015 7 31 57234 0.2411 0.4128 -0.67917 2015 8 1 57235 0.2424 0.4108 -0.67960 2015 8 2 57236 0.2436 0.4089 -0.68025 2015 8 3 57237 0.2448 0.4069 -0.68108 2015 8 4 57238 0.2460 0.4048 -0.68206 2015 8 5 57239 0.2471 0.4028 -0.68306 2015 8 6 57240 0.2482 0.4007 -0.68399 2015 8 7 57241 0.2492 0.3987 -0.68473 2015 8 8 57242 0.2503 0.3966 -0.68529 2015 8 9 57243 0.2513 0.3945 -0.68566 2015 8 10 57244 0.2522 0.3923 -0.68592 2015 8 11 57245 0.2531 0.3902 -0.68612 2015 8 12 57246 0.2540 0.3880 -0.68629 2015 8 13 57247 0.2548 0.3859 -0.68646 2015 8 14 57248 0.2556 0.3837 -0.68664 2015 8 15 57249 0.2564 0.3815 -0.68684 2015 8 16 57250 0.2571 0.3793 -0.68709 2015 8 17 57251 0.2578 0.3770 -0.68735 2015 8 18 57252 0.2585 0.3748 -0.68767 2015 8 19 57253 0.2591 0.3726 -0.68801 2015 8 20 57254 0.2596 0.3703 -0.68835 2015 8 21 57255 0.2602 0.3680 -0.68867 2015 8 22 57256 0.2607 0.3658 -0.68892 2015 8 23 57257 0.2611 0.3635 -0.68910 2015 8 24 57258 0.2615 0.3612 -0.68924 2015 8 25 57259 0.2619 0.3589 -0.68943 2015 8 26 57260 0.2622 0.3566 -0.68971 2015 8 27 57261 0.2625 0.3542 -0.69011 2015 8 28 57262 0.2628 0.3519 -0.69071 2015 8 29 57263 0.2630 0.3496 -0.69150 2015 8 30 57264 0.2631 0.3473 -0.69252 2015 8 31 57265 0.2633 0.3449 -0.69366 2015 9 1 57266 0.2634 0.3426 -0.69489 2015 9 2 57267 0.2634 0.3402 -0.69607 2015 9 3 57268 0.2634 0.3379 -0.69710 2015 9 4 57269 0.2634 0.3356 -0.69792 2015 9 5 57270 0.2633 0.3332 -0.69862 2015 9 6 57271 0.2632 0.3309 -0.69923 2015 9 7 57272 0.2630 0.3285 -0.69975 2015 9 8 57273 0.2628 0.3262 -0.70025 2015 9 9 57274 0.2626 0.3238 -0.70082 2015 9 10 57275 0.2623 0.3215 -0.70149 2015 9 11 57276 0.2620 0.3191 -0.70214 2015 9 12 57277 0.2616 0.3168 -0.70286 2015 9 13 57278 0.2612 0.3145 -0.70366 2015 9 14 57279 0.2608 0.3122 -0.70449 2015 9 15 57280 0.2603 0.3098 -0.70533 2015 9 16 57281 0.2597 0.3075 -0.70614 2015 9 17 57282 0.2592 0.3052 -0.70688 2015 9 18 57283 0.2586 0.3029 -0.70755 2015 9 19 57284 0.2579 0.3006 -0.70821 2015 9 20 57285 0.2572 0.2984 -0.70883 2015 9 21 57286 0.2565 0.2961 -0.70941 2015 9 22 57287 0.2557 0.2938 -0.70998 2015 9 23 57288 0.2549 0.2916 -0.71060 2015 9 24 57289 0.2541 0.2893 -0.71136 2015 9 25 57290 0.2532 0.2871 -0.71233 2015 9 26 57291 0.2522 0.2849 -0.71359 2015 9 27 57292 0.2513 0.2827 -0.71508 2015 9 28 57293 0.2503 0.2805 -0.71675 2015 9 29 57294 0.2492 0.2783 -0.71837 2015 9 30 57295 0.2481 0.2762 -0.71985 2015 10 1 57296 0.2470 0.2740 -0.72113 2015 10 2 57297 0.2458 0.2719 -0.72224 2015 10 3 57298 0.2446 0.2698 -0.72331 2015 10 4 57299 0.2434 0.2677 -0.72434 2015 10 5 57300 0.2421 0.2656 -0.72535 2015 10 6 57301 0.2408 0.2636 -0.72637 2015 10 7 57302 0.2395 0.2615 -0.72739 2015 10 8 57303 0.2381 0.2595 -0.72844 2015 10 9 57304 0.2367 0.2575 -0.72957 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) 56917 -94.07 0.18 -13.55 0.08 56918 -93.87 0.18 -13.63 0.08 56919 -93.68 0.18 -13.62 0.08 56920 -93.43 0.30 -13.56 0.08 56921 -93.28 0.12 -13.43 0.07 56922 -93.34 0.12 -13.26 0.07 56923 -93.50 0.13 -13.12 0.07 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 56871 -89.9 -13.8 56872 -90.1 -13.9 56873 -90.7 -14.0 56874 -91.4 -14.0 56875 -91.8 -13.9 56876 -91.8 -13.8 56877 -91.6 -13.8 56878 -91.5 -13.9 56879 -91.7 -13.8 56880 -92.1 -13.5 56881 -92.3 -13.4 56882 -92.5 -13.4 56883 -92.7 -13.4 56884 -93.0 -13.4 56885 -93.4 -13.3 56886 -93.3 -13.4 56887 -92.9 -13.7 56888 -92.6 -13.9 56889 -92.7 -13.9 56890 -92.9 -13.9 56891 -93.1 -13.8 56892 -92.9 -13.7 56893 -92.6 -13.6 56894 -92.5 -13.3 56895 -92.6 -13.2 56896 -92.8 -13.2 56897 -92.8 -13.4 56898 -92.8 -13.5 56899 -92.6 -13.6 56900 -92.6 -13.6 56901 -92.9 -13.7 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56917 -0.102 0.072 -0.276 0.080 56918 -0.048 0.072 -0.240 0.080 56919 -0.019 0.072 -0.205 0.080 56920 -0.008 0.119 -0.190 0.080 56921 -0.022 0.048 -0.182 0.070 56922 -0.062 0.048 -0.191 0.070 56923 -0.099 0.052 -0.211 0.070 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 56871 -0.01 -0.29 56872 -0.01 -0.35 56873 0.02 -0.41 56874 0.04 -0.42 56875 0.04 -0.42 56876 0.02 -0.38 56877 0.02 -0.32 56878 0.03 -0.33 56879 0.02 -0.29 56880 -0.02 -0.18 56881 -0.02 -0.19 56882 -0.07 -0.15 56883 -0.09 -0.13 56884 -0.05 -0.24 56885 -0.06 -0.25 56886 -0.02 -0.29 56887 0.01 -0.38 56888 0.04 -0.39 56889 0.04 -0.32 56890 0.05 -0.32 56891 0.00 -0.24 56892 0.02 -0.20 56893 0.05 -0.26 56894 0.05 -0.19 56895 0.05 -0.23 56896 0.05 -0.18 56897 0.10 -0.20 56898 0.09 -0.15 56899 0.11 -0.19 56900 0.10 -0.18 56901 0.08 -0.25 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).