********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 23 October 2014 Vol. XXVII No. 043 ______________________________________________________________________ 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 17 56947 0.15893 .00009 0.26846 .00009 -0.369785 0.000015 14 10 18 56948 0.15759 .00009 0.26741 .00009 -0.370766 0.000014 14 10 19 56949 0.15624 .00009 0.26636 .00009 -0.371863 0.000009 14 10 20 56950 0.15491 .00009 0.26523 .00010 -0.373035 0.000006 14 10 21 56951 0.15365 .00009 0.26416 .00009 -0.374307 0.000005 14 10 22 56952 0.15250 .00009 0.26328 .00009 -0.375661 0.000065 14 10 23 56953 0.15124 .00010 0.26252 .00009 -0.377033 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 + 0.0503 cos A - 0.0340 sin A + 0.0088 cos C - 0.0568 sin C y = 0.3487 - 0.0301 cos A - 0.0454 sin A - 0.0568 cos C - 0.0088 sin C UT1-UTC = -0.4053 - 0.00102 (MJD - 56961) - (UT2-UT1) where A = 2*pi*(MJD-56953)/365.25 and C = 2*pi*(MJD-56953)/435. TAI-UTC(MJD 56954) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56953)**0.80 S t = 0.00025 (MJD-56953)**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 24 56954 0.1499 0.2618 -0.37832 2014 10 25 56955 0.1483 0.2610 -0.37950 2014 10 26 56956 0.1467 0.2603 -0.38059 2014 10 27 56957 0.1451 0.2595 -0.38161 2014 10 28 56958 0.1435 0.2588 -0.38258 2014 10 29 56959 0.1419 0.2581 -0.38355 2014 10 30 56960 0.1403 0.2574 -0.38454 2014 10 31 56961 0.1387 0.2568 -0.38564 2014 11 1 56962 0.1371 0.2561 -0.38689 2014 11 2 56963 0.1354 0.2555 -0.38832 2014 11 3 56964 0.1338 0.2549 -0.38989 2014 11 4 56965 0.1321 0.2543 -0.39152 2014 11 5 56966 0.1304 0.2537 -0.39316 2014 11 6 56967 0.1286 0.2532 -0.39470 2014 11 7 56968 0.1269 0.2526 -0.39609 2014 11 8 56969 0.1252 0.2521 -0.39731 2014 11 9 56970 0.1235 0.2516 -0.39839 2014 11 10 56971 0.1217 0.2512 -0.39939 2014 11 11 56972 0.1200 0.2508 -0.40033 2014 11 12 56973 0.1182 0.2504 -0.40127 2014 11 13 56974 0.1165 0.2500 -0.40222 2014 11 14 56975 0.1147 0.2497 -0.40322 2014 11 15 56976 0.1129 0.2494 -0.40428 2014 11 16 56977 0.1111 0.2491 -0.40540 2014 11 17 56978 0.1093 0.2489 -0.40656 2014 11 18 56979 0.1075 0.2486 -0.40774 2014 11 19 56980 0.1057 0.2484 -0.40894 2014 11 20 56981 0.1038 0.2483 -0.41013 2014 11 21 56982 0.1020 0.2482 -0.41128 2014 11 22 56983 0.1002 0.2480 -0.41238 2014 11 23 56984 0.0983 0.2480 -0.41342 2014 11 24 56985 0.0965 0.2479 -0.41441 2014 11 25 56986 0.0946 0.2479 -0.41540 2014 11 26 56987 0.0928 0.2479 -0.41643 2014 11 27 56988 0.0909 0.2479 -0.41757 2014 11 28 56989 0.0891 0.2480 -0.41884 2014 11 29 56990 0.0872 0.2481 -0.42024 2014 11 30 56991 0.0854 0.2482 -0.42172 2014 12 1 56992 0.0835 0.2484 -0.42325 2014 12 2 56993 0.0816 0.2486 -0.42474 2014 12 3 56994 0.0798 0.2488 -0.42614 2014 12 4 56995 0.0779 0.2490 -0.42740 2014 12 5 56996 0.0761 0.2493 -0.42851 2014 12 6 56997 0.0742 0.2496 -0.42948 2014 12 7 56998 0.0724 0.2500 -0.43036 2014 12 8 56999 0.0705 0.2503 -0.43118 2014 12 9 57000 0.0687 0.2507 -0.43200 2014 12 10 57001 0.0669 0.2511 -0.43283 2014 12 11 57002 0.0651 0.2516 -0.43371 2014 12 12 57003 0.0632 0.2521 -0.43464 2014 12 13 57004 0.0614 0.2526 -0.43564 2014 12 14 57005 0.0596 0.2531 -0.43669 2014 12 15 57006 0.0578 0.2537 -0.43779 2014 12 16 57007 0.0560 0.2543 -0.43892 2014 12 17 57008 0.0542 0.2550 -0.44005 2014 12 18 57009 0.0525 0.2556 -0.44115 2014 12 19 57010 0.0507 0.2563 -0.44221 2014 12 20 57011 0.0490 0.2570 -0.44323 2014 12 21 57012 0.0472 0.2578 -0.44420 2014 12 22 57013 0.0455 0.2586 -0.44517 2014 12 23 57014 0.0438 0.2594 -0.44618 2014 12 24 57015 0.0421 0.2602 -0.44730 2014 12 25 57016 0.0404 0.2611 -0.44856 2014 12 26 57017 0.0387 0.2620 -0.44996 2014 12 27 57018 0.0371 0.2629 -0.45146 2014 12 28 57019 0.0354 0.2638 -0.45300 2014 12 29 57020 0.0338 0.2648 -0.45451 2014 12 30 57021 0.0322 0.2658 -0.45592 2014 12 31 57022 0.0306 0.2668 -0.45721 2015 1 1 57023 0.0290 0.2679 -0.45836 2015 1 2 57024 0.0274 0.2690 -0.45937 2015 1 3 57025 0.0259 0.2701 -0.46028 2015 1 4 57026 0.0244 0.2712 -0.46112 2015 1 5 57027 0.0229 0.2724 -0.46195 2015 1 6 57028 0.0214 0.2736 -0.46281 2015 1 7 57029 0.0199 0.2748 -0.46372 2015 1 8 57030 0.0185 0.2760 -0.46470 2015 1 9 57031 0.0170 0.2773 -0.46574 2015 1 10 57032 0.0156 0.2786 -0.46686 2015 1 11 57033 0.0143 0.2799 -0.46802 2015 1 12 57034 0.0129 0.2812 -0.46921 2015 1 13 57035 0.0116 0.2826 -0.47039 2015 1 14 57036 0.0103 0.2839 -0.47155 2015 1 15 57037 0.0090 0.2853 -0.47268 2015 1 16 57038 0.0077 0.2868 -0.47375 2015 1 17 57039 0.0065 0.2882 -0.47478 2015 1 18 57040 0.0053 0.2897 -0.47580 2015 1 19 57041 0.0041 0.2912 -0.47686 2015 1 20 57042 0.0029 0.2927 -0.47801 2015 1 21 57043 0.0018 0.2942 -0.47931 2015 1 22 57044 0.0007 0.2957 -0.48077 2015 1 23 57045 -0.0004 0.2973 -0.48238 2015 1 24 57046 -0.0015 0.2989 -0.48407 2015 1 25 57047 -0.0025 0.3005 -0.48575 2015 1 26 57048 -0.0035 0.3021 -0.48734 2015 1 27 57049 -0.0045 0.3038 -0.48879 2015 1 28 57050 -0.0054 0.3054 -0.49009 2015 1 29 57051 -0.0063 0.3071 -0.49123 2015 1 30 57052 -0.0072 0.3088 -0.49227 2015 1 31 57053 -0.0080 0.3105 -0.49322 2015 2 1 57054 -0.0089 0.3122 -0.49415 2015 2 2 57055 -0.0096 0.3140 -0.49509 2015 2 3 57056 -0.0104 0.3157 -0.49609 2015 2 4 57057 -0.0111 0.3175 -0.49715 2015 2 5 57058 -0.0118 0.3193 -0.49828 2015 2 6 57059 -0.0125 0.3211 -0.49949 2015 2 7 57060 -0.0131 0.3229 -0.50075 2015 2 8 57061 -0.0137 0.3247 -0.50204 2015 2 9 57062 -0.0143 0.3266 -0.50329 2015 2 10 57063 -0.0148 0.3284 -0.50453 2015 2 11 57064 -0.0153 0.3303 -0.50574 2015 2 12 57065 -0.0158 0.3321 -0.50691 2015 2 13 57066 -0.0162 0.3340 -0.50805 2015 2 14 57067 -0.0166 0.3359 -0.50917 2015 2 15 57068 -0.0170 0.3378 -0.51031 2015 2 16 57069 -0.0173 0.3397 -0.51154 2015 2 17 57070 -0.0176 0.3416 -0.51291 2015 2 18 57071 -0.0178 0.3435 -0.51447 2015 2 19 57072 -0.0181 0.3454 -0.51621 2015 2 20 57073 -0.0183 0.3474 -0.51810 2015 2 21 57074 -0.0184 0.3493 -0.52005 2015 2 22 57075 -0.0185 0.3513 -0.52195 2015 2 23 57076 -0.0186 0.3532 -0.52373 2015 2 24 57077 -0.0187 0.3551 -0.52534 2015 2 25 57078 -0.0187 0.3571 -0.52678 2015 2 26 57079 -0.0187 0.3591 -0.52808 2015 2 27 57080 -0.0186 0.3610 -0.52927 2015 2 28 57081 -0.0185 0.3630 -0.53041 2015 3 1 57082 -0.0184 0.3649 -0.53155 2015 3 2 57083 -0.0182 0.3669 -0.53273 2015 3 3 57084 -0.0180 0.3688 -0.53397 2015 3 4 57085 -0.0178 0.3708 -0.53528 2015 3 5 57086 -0.0175 0.3728 -0.53666 2015 3 6 57087 -0.0172 0.3747 -0.53811 2015 3 7 57088 -0.0169 0.3767 -0.53961 2015 3 8 57089 -0.0165 0.3786 -0.54112 2015 3 9 57090 -0.0161 0.3806 -0.54263 2015 3 10 57091 -0.0156 0.3825 -0.54410 2015 3 11 57092 -0.0151 0.3845 -0.54552 2015 3 12 57093 -0.0146 0.3864 -0.54690 2015 3 13 57094 -0.0141 0.3883 -0.54824 2015 3 14 57095 -0.0135 0.3902 -0.54958 2015 3 15 57096 -0.0128 0.3922 -0.55097 2015 3 16 57097 -0.0122 0.3941 -0.55247 2015 3 17 57098 -0.0115 0.3960 -0.55414 2015 3 18 57099 -0.0107 0.3979 -0.55600 2015 3 19 57100 -0.0100 0.3997 -0.55805 2015 3 20 57101 -0.0092 0.4016 -0.56021 2015 3 21 57102 -0.0083 0.4035 -0.56241 2015 3 22 57103 -0.0075 0.4053 -0.56452 2015 3 23 57104 -0.0066 0.4072 -0.56649 2015 3 24 57105 -0.0056 0.4090 -0.56827 2015 3 25 57106 -0.0046 0.4108 -0.56987 2015 3 26 57107 -0.0036 0.4126 -0.57135 2015 3 27 57108 -0.0026 0.4144 -0.57273 2015 3 28 57109 -0.0015 0.4162 -0.57409 2015 3 29 57110 -0.0004 0.4179 -0.57545 2015 3 30 57111 0.0007 0.4197 -0.57685 2015 3 31 57112 0.0019 0.4214 -0.57831 2015 4 1 57113 0.0031 0.4231 -0.57983 2015 4 2 57114 0.0044 0.4248 -0.58141 2015 4 3 57115 0.0056 0.4265 -0.58304 2015 4 4 57116 0.0069 0.4282 -0.58468 2015 4 5 57117 0.0083 0.4298 -0.58631 2015 4 6 57118 0.0096 0.4314 -0.58790 2015 4 7 57119 0.0110 0.4330 -0.58944 2015 4 8 57120 0.0124 0.4346 -0.59092 2015 4 9 57121 0.0139 0.4362 -0.59233 2015 4 10 57122 0.0154 0.4377 -0.59371 2015 4 11 57123 0.0169 0.4392 -0.59510 2015 4 12 57124 0.0184 0.4407 -0.59655 2015 4 13 57125 0.0200 0.4422 -0.59813 2015 4 14 57126 0.0216 0.4437 -0.59987 2015 4 15 57127 0.0232 0.4451 -0.60178 2015 4 16 57128 0.0249 0.4465 -0.60385 2015 4 17 57129 0.0266 0.4479 -0.60599 2015 4 18 57130 0.0283 0.4493 -0.60812 2015 4 19 57131 0.0300 0.4506 -0.61015 2015 4 20 57132 0.0317 0.4519 -0.61202 2015 4 21 57133 0.0335 0.4532 -0.61372 2015 4 22 57134 0.0353 0.4545 -0.61527 2015 4 23 57135 0.0372 0.4557 -0.61673 2015 4 24 57136 0.0390 0.4569 -0.61815 2015 4 25 57137 0.0409 0.4581 -0.61957 2015 4 26 57138 0.0428 0.4592 -0.62105 2015 4 27 57139 0.0447 0.4604 -0.62260 2015 4 28 57140 0.0467 0.4615 -0.62424 2015 4 29 57141 0.0486 0.4625 -0.62595 2015 4 30 57142 0.0506 0.4636 -0.62772 2015 5 1 57143 0.0526 0.4646 -0.62952 2015 5 2 57144 0.0547 0.4655 -0.63129 2015 5 3 57145 0.0567 0.4665 -0.63300 2015 5 4 57146 0.0588 0.4674 -0.63461 2015 5 5 57147 0.0609 0.4683 -0.63610 2015 5 6 57148 0.0630 0.4691 -0.63748 2015 5 7 57149 0.0651 0.4700 -0.63877 2015 5 8 57150 0.0672 0.4708 -0.64002 2015 5 9 57151 0.0694 0.4715 -0.64128 2015 5 10 57152 0.0715 0.4722 -0.64259 2015 5 11 57153 0.0737 0.4729 -0.64401 2015 5 12 57154 0.0759 0.4736 -0.64553 2015 5 13 57155 0.0781 0.4742 -0.64715 2015 5 14 57156 0.0803 0.4748 -0.64882 2015 5 15 57157 0.0826 0.4754 -0.65044 2015 5 16 57158 0.0848 0.4759 -0.65195 2015 5 17 57159 0.0871 0.4764 -0.65327 2015 5 18 57160 0.0893 0.4768 -0.65436 2015 5 19 57161 0.0916 0.4773 -0.65522 2015 5 20 57162 0.0939 0.4777 -0.65592 2015 5 21 57163 0.0962 0.4780 -0.65652 2015 5 22 57164 0.0985 0.4783 -0.65708 2015 5 23 57165 0.1008 0.4786 -0.65766 2015 5 24 57166 0.1031 0.4789 -0.65828 2015 5 25 57167 0.1055 0.4791 -0.65897 2015 5 26 57168 0.1078 0.4793 -0.65973 2015 5 27 57169 0.1101 0.4794 -0.66054 2015 5 28 57170 0.1125 0.4795 -0.66137 2015 5 29 57171 0.1148 0.4796 -0.66215 2015 5 30 57172 0.1171 0.4796 -0.66285 2015 5 31 57173 0.1195 0.4796 -0.66345 2015 6 1 57174 0.1218 0.4796 -0.66392 2015 6 2 57175 0.1242 0.4795 -0.66427 2015 6 3 57176 0.1266 0.4794 -0.66456 2015 6 4 57177 0.1289 0.4792 -0.66482 2015 6 5 57178 0.1313 0.4791 -0.66509 2015 6 6 57179 0.1336 0.4788 -0.66546 2015 6 7 57180 0.1360 0.4786 -0.66599 2015 6 8 57181 0.1383 0.4783 -0.66663 2015 6 9 57182 0.1406 0.4780 -0.66736 2015 6 10 57183 0.1430 0.4776 -0.66816 2015 6 11 57184 0.1453 0.4772 -0.66890 2015 6 12 57185 0.1476 0.4768 -0.66949 2015 6 13 57186 0.1500 0.4763 -0.66994 2015 6 14 57187 0.1523 0.4758 -0.67020 2015 6 15 57188 0.1546 0.4752 -0.67028 2015 6 16 57189 0.1569 0.4746 -0.67023 2015 6 17 57190 0.1592 0.4740 -0.67013 2015 6 18 57191 0.1614 0.4734 -0.67005 2015 6 19 57192 0.1637 0.4727 -0.67004 2015 6 20 57193 0.1660 0.4720 -0.67009 2015 6 21 57194 0.1682 0.4712 -0.67019 2015 6 22 57195 0.1705 0.4704 -0.67037 2015 6 23 57196 0.1727 0.4696 -0.67066 2015 6 24 57197 0.1749 0.4687 -0.67100 2015 6 25 57198 0.1771 0.4678 -0.67136 2015 6 26 57199 0.1793 0.4669 -0.67173 2015 6 27 57200 0.1815 0.4659 -0.67207 2015 6 28 57201 0.1836 0.4649 -0.67236 2015 6 29 57202 0.1857 0.4639 -0.67258 2015 6 30 57203 0.1879 0.4628 -0.67276 2015 7 1 57204 0.1900 0.4617 -0.67291 2015 7 2 57205 0.1921 0.4606 -0.67307 2015 7 3 57206 0.1941 0.4594 -0.67333 2015 7 4 57207 0.1962 0.4582 -0.67369 2015 7 5 57208 0.1982 0.4570 -0.67411 2015 7 6 57209 0.2002 0.4557 -0.67463 2015 7 7 57210 0.2022 0.4544 -0.67522 2015 7 8 57211 0.2042 0.4531 -0.67580 2015 7 9 57212 0.2061 0.4517 -0.67631 2015 7 10 57213 0.2080 0.4503 -0.67672 2015 7 11 57214 0.2099 0.4489 -0.67702 2015 7 12 57215 0.2118 0.4474 -0.67719 2015 7 13 57216 0.2136 0.4459 -0.67725 2015 7 14 57217 0.2155 0.4444 -0.67720 2015 7 15 57218 0.2172 0.4429 -0.67709 2015 7 16 57219 0.2190 0.4413 -0.67696 2015 7 17 57220 0.2208 0.4397 -0.67683 2015 7 18 57221 0.2225 0.4381 -0.67673 2015 7 19 57222 0.2242 0.4364 -0.67666 2015 7 20 57223 0.2258 0.4348 -0.67659 2015 7 21 57224 0.2275 0.4331 -0.67655 2015 7 22 57225 0.2291 0.4313 -0.67647 2015 7 23 57226 0.2306 0.4296 -0.67637 2015 7 24 57227 0.2322 0.4278 -0.67624 2015 7 25 57228 0.2337 0.4260 -0.67603 2015 7 26 57229 0.2352 0.4241 -0.67575 2015 7 27 57230 0.2366 0.4223 -0.67549 2015 7 28 57231 0.2381 0.4204 -0.67522 2015 7 29 57232 0.2394 0.4185 -0.67500 2015 7 30 57233 0.2408 0.4165 -0.67485 2015 7 31 57234 0.2421 0.4146 -0.67489 2015 8 1 57235 0.2434 0.4126 -0.67517 2015 8 2 57236 0.2447 0.4106 -0.67564 2015 8 3 57237 0.2459 0.4086 -0.67626 2015 8 4 57238 0.2471 0.4066 -0.67693 2015 8 5 57239 0.2482 0.4045 -0.67761 2015 8 6 57240 0.2493 0.4024 -0.67825 2015 8 7 57241 0.2504 0.4004 -0.67875 2015 8 8 57242 0.2515 0.3982 -0.67914 2015 8 9 57243 0.2525 0.3961 -0.67945 2015 8 10 57244 0.2534 0.3940 -0.67967 2015 8 11 57245 0.2544 0.3918 -0.67983 2015 8 12 57246 0.2553 0.3896 -0.68001 2015 8 13 57247 0.2561 0.3874 -0.68020 2015 8 14 57248 0.2569 0.3852 -0.68041 2015 8 15 57249 0.2577 0.3830 -0.68067 2015 8 16 57250 0.2585 0.3808 -0.68095 2015 8 17 57251 0.2592 0.3785 -0.68126 2015 8 18 57252 0.2598 0.3763 -0.68159 2015 8 19 57253 0.2605 0.3740 -0.68192 2015 8 20 57254 0.2611 0.3717 -0.68219 2015 8 21 57255 0.2616 0.3694 -0.68248 2015 8 22 57256 0.2621 0.3671 -0.68272 2015 8 23 57257 0.2626 0.3648 -0.68290 2015 8 24 57258 0.2630 0.3625 -0.68307 2015 8 25 57259 0.2634 0.3602 -0.68329 2015 8 26 57260 0.2637 0.3578 -0.68361 2015 8 27 57261 0.2640 0.3555 -0.68405 2015 8 28 57262 0.2643 0.3531 -0.68468 2015 8 29 57263 0.2645 0.3508 -0.68559 2015 8 30 57264 0.2647 0.3484 -0.68675 2015 8 31 57265 0.2649 0.3460 -0.68808 2015 9 1 57266 0.2650 0.3437 -0.68953 2015 9 2 57267 0.2650 0.3413 -0.69097 2015 9 3 57268 0.2650 0.3389 -0.69230 2015 9 4 57269 0.2650 0.3366 -0.69343 2015 9 5 57270 0.2649 0.3342 -0.69437 2015 9 6 57271 0.2648 0.3318 -0.69513 2015 9 7 57272 0.2647 0.3294 -0.69582 2015 9 8 57273 0.2645 0.3270 -0.69648 2015 9 9 57274 0.2643 0.3247 -0.69713 2015 9 10 57275 0.2640 0.3223 -0.69781 2015 9 11 57276 0.2637 0.3199 -0.69851 2015 9 12 57277 0.2633 0.3176 -0.69924 2015 9 13 57278 0.2629 0.3152 -0.70000 2015 9 14 57279 0.2625 0.3128 -0.70077 2015 9 15 57280 0.2620 0.3105 -0.70158 2015 9 16 57281 0.2615 0.3081 -0.70241 2015 9 17 57282 0.2609 0.3058 -0.70320 2015 9 18 57283 0.2603 0.3035 -0.70398 2015 9 19 57284 0.2597 0.3011 -0.70467 2015 9 20 57285 0.2590 0.2988 -0.70531 2015 9 21 57286 0.2582 0.2965 -0.70591 2015 9 22 57287 0.2575 0.2942 -0.70659 2015 9 23 57288 0.2567 0.2919 -0.70739 2015 9 24 57289 0.2558 0.2897 -0.70834 2015 9 25 57290 0.2549 0.2874 -0.70951 2015 9 26 57291 0.2540 0.2851 -0.71088 2015 9 27 57292 0.2530 0.2829 -0.71247 2015 9 28 57293 0.2520 0.2807 -0.71415 2015 9 29 57294 0.2510 0.2785 -0.71589 2015 9 30 57295 0.2499 0.2763 -0.71754 2015 10 1 57296 0.2488 0.2741 -0.71902 2015 10 2 57297 0.2476 0.2719 -0.72028 2015 10 3 57298 0.2464 0.2698 -0.72143 2015 10 4 57299 0.2452 0.2677 -0.72249 2015 10 5 57300 0.2439 0.2655 -0.72348 2015 10 6 57301 0.2426 0.2634 -0.72448 2015 10 7 57302 0.2412 0.2614 -0.72555 2015 10 8 57303 0.2399 0.2593 -0.72671 2015 10 9 57304 0.2384 0.2573 -0.72786 2015 10 10 57305 0.2370 0.2553 -0.72904 2015 10 11 57306 0.2355 0.2533 -0.73029 2015 10 12 57307 0.2340 0.2513 -0.73155 2015 10 13 57308 0.2324 0.2494 -0.73279 2015 10 14 57309 0.2308 0.2474 -0.73396 2015 10 15 57310 0.2292 0.2455 -0.73505 2015 10 16 57311 0.2275 0.2436 -0.73605 2015 10 17 57312 0.2258 0.2418 -0.73703 2015 10 18 57313 0.2241 0.2400 -0.73795 2015 10 19 57314 0.2223 0.2382 -0.73886 2015 10 20 57315 0.2205 0.2364 -0.73976 2015 10 21 57316 0.2187 0.2346 -0.74073 2015 10 22 57317 0.2168 0.2329 -0.74185 2015 10 23 57318 0.2149 0.2312 -0.74317 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) 56924 -93.54 0.30 -13.08 0.04 56925 -93.62 0.30 -13.09 0.04 56926 -93.68 0.30 -13.11 0.04 56927 -93.61 0.30 -13.11 0.15 56928 -93.42 0.30 -13.12 0.06 56929 -93.23 0.30 -13.14 0.06 56930 -93.17 0.30 -13.18 0.06 56931 -93.20 0.30 -13.23 0.06 56932 -93.21 0.30 -13.30 0.06 56933 -93.17 0.30 -13.35 0.06 56934 -93.14 0.30 -13.31 0.15 56935 -93.25 0.30 -13.12 0.03 56936 -93.47 0.30 -12.86 0.03 56937 -93.60 0.30 -12.73 0.03 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56924 -0.075 0.119 -0.243 0.040 56925 -0.065 0.119 -0.244 0.040 56926 -0.061 0.119 -0.235 0.040 56927 -0.047 0.119 -0.225 0.150 56928 -0.033 0.119 -0.235 0.060 56929 -0.018 0.119 -0.243 0.060 56930 -0.004 0.119 -0.260 0.060 56931 0.011 0.119 -0.280 0.060 56932 0.017 0.119 -0.305 0.060 56933 0.002 0.119 -0.309 0.060 56934 -0.023 0.119 -0.303 0.150 56935 -0.062 0.119 -0.297 0.030 56936 -0.117 0.119 -0.300 0.030 56937 -0.179 0.119 -0.318 0.030 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).