********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 8 October 2015 Vol. XXVIII 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 = +0.2 seconds beginning 17 Sep 2015 at 0000 UTC Beginning 1 July 2015: TAI-UTC = 36.000 000 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 * * * * An additional backup mirror of the daily and Bulletin A EOP data * * is now hosted by NASA's Archive of Space Geodesy Data server at: * * ftp://cddis.gsfc.nasa.gov/pub/products/iers * * Daily EOP data will be uploaded here at 18:00 UTC, and * * Bulletin A EOP data should by available by 20:00 UTC. * * * * 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 15 10 2 57297 0.20952 .00009 0.31377 .00009 0.227798 0.000006 15 10 3 57298 0.20930 .00009 0.31193 .00009 0.226458 0.000009 15 10 4 57299 0.20903 .00009 0.31004 .00009 0.225218 0.000011 15 10 5 57300 0.20864 .00009 0.30807 .00009 0.224015 0.000008 15 10 6 57301 0.20814 .00009 0.30630 .00009 0.222751 0.000008 15 10 7 57302 0.20744 .00009 0.30471 .00009 0.221394 0.000008 15 10 8 57303 0.20665 .00009 0.30319 .00009 0.219987 0.000055 IERS Final Values MJD x y UT1-UTC " " s 15 8 2 57236 0.1981 0.4174 0.30086 15 8 3 57237 0.2001 0.4159 0.29970 15 8 4 57238 0.2022 0.4146 0.29846 15 8 5 57239 0.2046 0.4135 0.29721 15 8 6 57240 0.2069 0.4123 0.29604 15 8 7 57241 0.2087 0.4111 0.29500 15 8 8 57242 0.2100 0.4100 0.29411 15 8 9 57243 0.2106 0.4085 0.29335 15 8 10 57244 0.2113 0.4066 0.29270 15 8 11 57245 0.2121 0.4049 0.29212 15 8 12 57246 0.2128 0.4033 0.29153 15 8 13 57247 0.2138 0.4014 0.29089 15 8 14 57248 0.2154 0.3996 0.29018 15 8 15 57249 0.2170 0.3980 0.28941 15 8 16 57250 0.2184 0.3968 0.28861 15 8 17 57251 0.2194 0.3955 0.28777 15 8 18 57252 0.2199 0.3940 0.28693 15 8 19 57253 0.2195 0.3923 0.28611 15 8 20 57254 0.2195 0.3904 0.28528 15 8 21 57255 0.2201 0.3885 0.28445 15 8 22 57256 0.2213 0.3864 0.28364 15 8 23 57257 0.2222 0.3847 0.28287 15 8 24 57258 0.2231 0.3828 0.28212 15 8 25 57259 0.2241 0.3811 0.28131 15 8 26 57260 0.2253 0.3791 0.28042 15 8 27 57261 0.2260 0.3772 0.27945 15 8 28 57262 0.2261 0.3750 0.27834 15 8 29 57263 0.2261 0.3733 0.27703 15 8 30 57264 0.2260 0.3719 0.27550 15 8 31 57265 0.2261 0.3707 0.27380 15 9 1 57266 0.2262 0.3697 0.27199 _______________________________________________________________________ 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 = 0.1020 + 0.0628 cos A - 0.0380 sin A + 0.0372 cos C - 0.0139 sin C y = 0.3509 - 0.0293 cos A - 0.0552 sin A - 0.0139 cos C - 0.0372 sin C UT1-UTC = 0.1585 - 0.00115 (MJD - 57311) - (UT2-UT1) where A = 2*pi*(MJD-57303)/365.25 and C = 2*pi*(MJD-57303)/435. TAI-UTC(MJD 57304) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57303)**0.80 S t = 0.00025 (MJD-57303)**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) 2015 10 9 57304 0.2057 0.3016 0.21853 2015 10 10 57305 0.2049 0.3001 0.21700 2015 10 11 57306 0.2041 0.2986 0.21541 2015 10 12 57307 0.2033 0.2971 0.21377 2015 10 13 57308 0.2025 0.2956 0.21211 2015 10 14 57309 0.2016 0.2941 0.21047 2015 10 15 57310 0.2007 0.2927 0.20891 2015 10 16 57311 0.1997 0.2915 0.20744 2015 10 17 57312 0.1986 0.2902 0.20601 2015 10 18 57313 0.1975 0.2889 0.20458 2015 10 19 57314 0.1963 0.2876 0.20316 2015 10 20 57315 0.1951 0.2862 0.20171 2015 10 21 57316 0.1939 0.2849 0.20016 2015 10 22 57317 0.1927 0.2835 0.19849 2015 10 23 57318 0.1915 0.2822 0.19666 2015 10 24 57319 0.1902 0.2809 0.19466 2015 10 25 57320 0.1889 0.2796 0.19249 2015 10 26 57321 0.1876 0.2784 0.19023 2015 10 27 57322 0.1863 0.2771 0.18799 2015 10 28 57323 0.1849 0.2759 0.18585 2015 10 29 57324 0.1836 0.2747 0.18386 2015 10 30 57325 0.1822 0.2734 0.18203 2015 10 31 57326 0.1808 0.2722 0.18034 2015 11 1 57327 0.1793 0.2711 0.17873 2015 11 2 57328 0.1779 0.2699 0.17715 2015 11 3 57329 0.1765 0.2688 0.17555 2015 11 4 57330 0.1750 0.2677 0.17391 2015 11 5 57331 0.1735 0.2666 0.17221 2015 11 6 57332 0.1720 0.2656 0.17045 2015 11 7 57333 0.1705 0.2645 0.16863 2015 11 8 57334 0.1689 0.2635 0.16679 2015 11 9 57335 0.1674 0.2625 0.16495 2015 11 10 57336 0.1658 0.2616 0.16314 2015 11 11 57337 0.1642 0.2606 0.16138 2015 11 12 57338 0.1626 0.2597 0.15969 2015 11 13 57339 0.1609 0.2588 0.15806 2015 11 14 57340 0.1593 0.2579 0.15649 2015 11 15 57341 0.1576 0.2571 0.15496 2015 11 16 57342 0.1559 0.2563 0.15341 2015 11 17 57343 0.1542 0.2555 0.15179 2015 11 18 57344 0.1525 0.2547 0.15005 2015 11 19 57345 0.1508 0.2539 0.14817 2015 11 20 57346 0.1491 0.2532 0.14613 2015 11 21 57347 0.1473 0.2525 0.14394 2015 11 22 57348 0.1456 0.2518 0.14167 2015 11 23 57349 0.1438 0.2512 0.13939 2015 11 24 57350 0.1420 0.2505 0.13719 2015 11 25 57351 0.1402 0.2499 0.13512 2015 11 26 57352 0.1384 0.2494 0.13322 2015 11 27 57353 0.1366 0.2488 0.13148 2015 11 28 57354 0.1348 0.2483 0.12985 2015 11 29 57355 0.1329 0.2478 0.12827 2015 11 30 57356 0.1311 0.2473 0.12672 2015 12 1 57357 0.1293 0.2469 0.12514 2015 12 2 57358 0.1274 0.2465 0.12353 2015 12 3 57359 0.1256 0.2461 0.12187 2015 12 4 57360 0.1237 0.2457 0.12018 2015 12 5 57361 0.1218 0.2454 0.11847 2015 12 6 57362 0.1199 0.2451 0.11676 2015 12 7 57363 0.1181 0.2448 0.11507 2015 12 8 57364 0.1162 0.2446 0.11344 2015 12 9 57365 0.1143 0.2444 0.11187 2015 12 10 57366 0.1124 0.2442 0.11037 2015 12 11 57367 0.1105 0.2440 0.10893 2015 12 12 57368 0.1086 0.2439 0.10753 2015 12 13 57369 0.1067 0.2437 0.10614 2015 12 14 57370 0.1048 0.2437 0.10471 2015 12 15 57371 0.1029 0.2436 0.10320 2015 12 16 57372 0.1010 0.2436 0.10157 2015 12 17 57373 0.0991 0.2436 0.09982 2015 12 18 57374 0.0973 0.2436 0.09797 2015 12 19 57375 0.0954 0.2437 0.09605 2015 12 20 57376 0.0935 0.2438 0.09412 2015 12 21 57377 0.0916 0.2439 0.09224 2015 12 22 57378 0.0897 0.2440 0.09048 2015 12 23 57379 0.0878 0.2442 0.08886 2015 12 24 57380 0.0859 0.2444 0.08739 2015 12 25 57381 0.0841 0.2446 0.08604 2015 12 26 57382 0.0822 0.2449 0.08475 2015 12 27 57383 0.0803 0.2451 0.08349 2015 12 28 57384 0.0785 0.2454 0.08220 2015 12 29 57385 0.0766 0.2458 0.08087 2015 12 30 57386 0.0748 0.2461 0.07950 2015 12 31 57387 0.0730 0.2465 0.07809 2016 1 1 57388 0.0711 0.2469 0.07666 2016 1 2 57389 0.0693 0.2474 0.07523 2016 1 3 57390 0.0675 0.2479 0.07382 2016 1 4 57391 0.0657 0.2484 0.07247 2016 1 5 57392 0.0639 0.2489 0.07118 2016 1 6 57393 0.0621 0.2494 0.06996 2016 1 7 57394 0.0604 0.2500 0.06880 2016 1 8 57395 0.0586 0.2506 0.06769 2016 1 9 57396 0.0569 0.2513 0.06659 2016 1 10 57397 0.0552 0.2519 0.06545 2016 1 11 57398 0.0534 0.2526 0.06423 2016 1 12 57399 0.0517 0.2533 0.06287 2016 1 13 57400 0.0501 0.2540 0.06138 2016 1 14 57401 0.0484 0.2548 0.05976 2016 1 15 57402 0.0467 0.2556 0.05806 2016 1 16 57403 0.0451 0.2564 0.05635 2016 1 17 57404 0.0434 0.2572 0.05468 2016 1 18 57405 0.0418 0.2581 0.05311 2016 1 19 57406 0.0402 0.2590 0.05168 2016 1 20 57407 0.0387 0.2599 0.05038 2016 1 21 57408 0.0371 0.2608 0.04920 2016 1 22 57409 0.0356 0.2618 0.04810 2016 1 23 57410 0.0340 0.2627 0.04701 2016 1 24 57411 0.0325 0.2637 0.04591 2016 1 25 57412 0.0310 0.2648 0.04464 2016 1 26 57413 0.0296 0.2658 0.04332 2016 1 27 57414 0.0281 0.2669 0.04195 2016 1 28 57415 0.0267 0.2680 0.04053 2016 1 29 57416 0.0253 0.2691 0.03911 2016 1 30 57417 0.0239 0.2702 0.03769 2016 1 31 57418 0.0225 0.2713 0.03630 2016 2 1 57419 0.0212 0.2725 0.03496 2016 2 2 57420 0.0199 0.2737 0.03368 2016 2 3 57421 0.0186 0.2749 0.03245 2016 2 4 57422 0.0173 0.2762 0.03125 2016 2 5 57423 0.0161 0.2774 0.03006 2016 2 6 57424 0.0148 0.2787 0.02883 2016 2 7 57425 0.0136 0.2800 0.02751 2016 2 8 57426 0.0125 0.2813 0.02605 2016 2 9 57427 0.0113 0.2826 0.02441 2016 2 10 57428 0.0102 0.2840 0.02259 2016 2 11 57429 0.0091 0.2853 0.02064 2016 2 12 57430 0.0080 0.2867 0.01864 2016 2 13 57431 0.0070 0.2881 0.01667 2016 2 14 57432 0.0059 0.2895 0.01479 2016 2 15 57433 0.0049 0.2909 0.01306 2016 2 16 57434 0.0040 0.2924 0.01148 2016 2 17 57435 0.0030 0.2938 0.01002 2016 2 18 57436 0.0021 0.2953 0.00864 2016 2 19 57437 0.0012 0.2968 0.00729 2016 2 20 57438 0.0003 0.2983 0.00593 2016 2 21 57439 -0.0005 0.2998 0.00451 2016 2 22 57440 -0.0013 0.3014 0.00302 2016 2 23 57441 -0.0021 0.3029 0.00147 2016 2 24 57442 -0.0028 0.3044 -0.00014 2016 2 25 57443 -0.0035 0.3060 -0.00176 2016 2 26 57444 -0.0042 0.3076 -0.00339 2016 2 27 57445 -0.0049 0.3092 -0.00500 2016 2 28 57446 -0.0055 0.3108 -0.00655 2016 2 29 57447 -0.0061 0.3124 -0.00805 2016 3 1 57448 -0.0067 0.3140 -0.00949 2016 3 2 57449 -0.0073 0.3156 -0.01088 2016 3 3 57450 -0.0078 0.3173 -0.01225 2016 3 4 57451 -0.0083 0.3189 -0.01364 2016 3 5 57452 -0.0087 0.3206 -0.01510 2016 3 6 57453 -0.0091 0.3222 -0.01668 2016 3 7 57454 -0.0095 0.3239 -0.01844 2016 3 8 57455 -0.0099 0.3256 -0.02039 2016 3 9 57456 -0.0102 0.3272 -0.02252 2016 3 10 57457 -0.0105 0.3289 -0.02476 2016 3 11 57458 -0.0108 0.3306 -0.02702 2016 3 12 57459 -0.0110 0.3323 -0.02920 2016 3 13 57460 -0.0112 0.3340 -0.03124 2016 3 14 57461 -0.0114 0.3357 -0.03311 2016 3 15 57462 -0.0116 0.3374 -0.03482 2016 3 16 57463 -0.0117 0.3391 -0.03642 2016 3 17 57464 -0.0118 0.3409 -0.03796 2016 3 18 57465 -0.0118 0.3426 -0.03949 2016 3 19 57466 -0.0118 0.3443 -0.04105 2016 3 20 57467 -0.0118 0.3460 -0.04267 2016 3 21 57468 -0.0118 0.3477 -0.04435 2016 3 22 57469 -0.0117 0.3494 -0.04609 2016 3 23 57470 -0.0116 0.3512 -0.04785 2016 3 24 57471 -0.0115 0.3529 -0.04962 2016 3 25 57472 -0.0113 0.3546 -0.05136 2016 3 26 57473 -0.0111 0.3563 -0.05306 2016 3 27 57474 -0.0109 0.3580 -0.05470 2016 3 28 57475 -0.0107 0.3597 -0.05627 2016 3 29 57476 -0.0104 0.3614 -0.05778 2016 3 30 57477 -0.0101 0.3631 -0.05925 2016 3 31 57478 -0.0097 0.3648 -0.06071 2016 4 1 57479 -0.0093 0.3665 -0.06221 2016 4 2 57480 -0.0089 0.3682 -0.06381 2016 4 3 57481 -0.0085 0.3699 -0.06556 2016 4 4 57482 -0.0080 0.3716 -0.06751 2016 4 5 57483 -0.0075 0.3733 -0.06966 2016 4 6 57484 -0.0070 0.3749 -0.07198 2016 4 7 57485 -0.0064 0.3766 -0.07440 2016 4 8 57486 -0.0058 0.3783 -0.07683 2016 4 9 57487 -0.0052 0.3799 -0.07916 2016 4 10 57488 -0.0046 0.3815 -0.08134 2016 4 11 57489 -0.0039 0.3832 -0.08336 2016 4 12 57490 -0.0032 0.3848 -0.08525 2016 4 13 57491 -0.0025 0.3864 -0.08705 2016 4 14 57492 -0.0017 0.3880 -0.08881 2016 4 15 57493 -0.0009 0.3896 -0.09054 2016 4 16 57494 -0.0001 0.3912 -0.09227 2016 4 17 57495 0.0007 0.3927 -0.09400 2016 4 18 57496 0.0016 0.3943 -0.09571 2016 4 19 57497 0.0025 0.3958 -0.09738 2016 4 20 57498 0.0034 0.3974 -0.09899 2016 4 21 57499 0.0044 0.3989 -0.10051 2016 4 22 57500 0.0054 0.4004 -0.10192 2016 4 23 57501 0.0064 0.4019 -0.10321 2016 4 24 57502 0.0074 0.4033 -0.10438 2016 4 25 57503 0.0085 0.4048 -0.10544 2016 4 26 57504 0.0095 0.4062 -0.10642 2016 4 27 57505 0.0107 0.4077 -0.10735 2016 4 28 57506 0.0118 0.4091 -0.10828 2016 4 29 57507 0.0129 0.4105 -0.10926 2016 4 30 57508 0.0141 0.4119 -0.11033 2016 5 1 57509 0.0153 0.4132 -0.11152 2016 5 2 57510 0.0165 0.4146 -0.11288 2016 5 3 57511 0.0178 0.4159 -0.11442 2016 5 4 57512 0.0191 0.4172 -0.11611 2016 5 5 57513 0.0204 0.4185 -0.11790 2016 5 6 57514 0.0217 0.4198 -0.11969 2016 5 7 57515 0.0230 0.4211 -0.12140 2016 5 8 57516 0.0244 0.4223 -0.12298 2016 5 9 57517 0.0258 0.4235 -0.12440 2016 5 10 57518 0.0272 0.4247 -0.12570 2016 5 11 57519 0.0286 0.4259 -0.12691 2016 5 12 57520 0.0300 0.4271 -0.12807 2016 5 13 57521 0.0315 0.4282 -0.12922 2016 5 14 57522 0.0330 0.4293 -0.13038 2016 5 15 57523 0.0345 0.4304 -0.13156 2016 5 16 57524 0.0360 0.4315 -0.13275 2016 5 17 57525 0.0375 0.4325 -0.13393 2016 5 18 57526 0.0391 0.4336 -0.13512 2016 5 19 57527 0.0406 0.4346 -0.13627 2016 5 20 57528 0.0422 0.4356 -0.13729 2016 5 21 57529 0.0438 0.4365 -0.13822 2016 5 22 57530 0.0454 0.4375 -0.13902 2016 5 23 57531 0.0471 0.4384 -0.13967 2016 5 24 57532 0.0487 0.4393 -0.14020 2016 5 25 57533 0.0504 0.4402 -0.14061 2016 5 26 57534 0.0520 0.4410 -0.14095 2016 5 27 57535 0.0537 0.4418 -0.14136 2016 5 28 57536 0.0554 0.4426 -0.14185 2016 5 29 57537 0.0571 0.4434 -0.14253 2016 5 30 57538 0.0588 0.4441 -0.14333 2016 5 31 57539 0.0606 0.4449 -0.14426 2016 6 1 57540 0.0623 0.4455 -0.14526 2016 6 2 57541 0.0641 0.4462 -0.14622 2016 6 3 57542 0.0658 0.4469 -0.14709 2016 6 4 57543 0.0676 0.4475 -0.14780 2016 6 5 57544 0.0694 0.4481 -0.14832 2016 6 6 57545 0.0712 0.4486 -0.14869 2016 6 7 57546 0.0730 0.4492 -0.14905 2016 6 8 57547 0.0748 0.4497 -0.14938 2016 6 9 57548 0.0766 0.4502 -0.14972 2016 6 10 57549 0.0784 0.4507 -0.15011 2016 6 11 57550 0.0803 0.4511 -0.15058 2016 6 12 57551 0.0821 0.4515 -0.15113 2016 6 13 57552 0.0839 0.4519 -0.15167 2016 6 14 57553 0.0858 0.4522 -0.15219 2016 6 15 57554 0.0876 0.4526 -0.15271 2016 6 16 57555 0.0895 0.4529 -0.15318 2016 6 17 57556 0.0913 0.4531 -0.15362 2016 6 18 57557 0.0932 0.4534 -0.15394 2016 6 19 57558 0.0950 0.4536 -0.15413 2016 6 20 57559 0.0969 0.4538 -0.15425 2016 6 21 57560 0.0987 0.4540 -0.15439 2016 6 22 57561 0.1006 0.4541 -0.15461 2016 6 23 57562 0.1025 0.4542 -0.15492 2016 6 24 57563 0.1043 0.4543 -0.15528 2016 6 25 57564 0.1062 0.4544 -0.15576 2016 6 26 57565 0.1080 0.4544 -0.15638 2016 6 27 57566 0.1099 0.4544 -0.15713 2016 6 28 57567 0.1117 0.4544 -0.15793 2016 6 29 57568 0.1136 0.4543 -0.15868 2016 6 30 57569 0.1154 0.4542 -0.15936 2016 7 1 57570 0.1173 0.4541 -0.15986 2016 7 2 57571 0.1191 0.4540 -0.16015 2016 7 3 57572 0.1209 0.4538 -0.16026 2016 7 4 57573 0.1228 0.4536 -0.16028 2016 7 5 57574 0.1246 0.4534 -0.16027 2016 7 6 57575 0.1264 0.4532 -0.16023 2016 7 7 57576 0.1282 0.4529 -0.16041 2016 7 8 57577 0.1300 0.4526 -0.16056 2016 7 9 57578 0.1318 0.4523 -0.16082 2016 7 10 57579 0.1336 0.4520 -0.16115 2016 7 11 57580 0.1354 0.4516 -0.16140 2016 7 12 57581 0.1371 0.4512 -0.16172 2016 7 13 57582 0.1389 0.4508 -0.16200 2016 7 14 57583 0.1406 0.4503 -0.16222 2016 7 15 57584 0.1424 0.4498 -0.16240 2016 7 16 57585 0.1441 0.4493 -0.16247 2016 7 17 57586 0.1458 0.4488 -0.16248 2016 7 18 57587 0.1475 0.4482 -0.16242 2016 7 19 57588 0.1492 0.4477 -0.16232 2016 7 20 57589 0.1509 0.4471 -0.16229 2016 7 21 57590 0.1525 0.4464 -0.16243 2016 7 22 57591 0.1542 0.4458 -0.16268 2016 7 23 57592 0.1558 0.4451 -0.16302 2016 7 24 57593 0.1574 0.4444 -0.16342 2016 7 25 57594 0.1590 0.4437 -0.16384 2016 7 26 57595 0.1606 0.4429 -0.16432 2016 7 27 57596 0.1622 0.4421 -0.16474 2016 7 28 57597 0.1637 0.4413 -0.16514 2016 7 29 57598 0.1653 0.4405 -0.16545 2016 7 30 57599 0.1668 0.4397 -0.16562 2016 7 31 57600 0.1683 0.4388 -0.16569 2016 8 1 57601 0.1698 0.4379 -0.16571 2016 8 2 57602 0.1712 0.4370 -0.16578 2016 8 3 57603 0.1727 0.4361 -0.16599 2016 8 4 57604 0.1741 0.4351 -0.16624 2016 8 5 57605 0.1755 0.4342 -0.16650 2016 8 6 57606 0.1769 0.4332 -0.16684 2016 8 7 57607 0.1783 0.4321 -0.16713 2016 8 8 57608 0.1796 0.4311 -0.16744 2016 8 9 57609 0.1809 0.4301 -0.16771 2016 8 10 57610 0.1823 0.4290 -0.16790 2016 8 11 57611 0.1835 0.4279 -0.16807 2016 8 12 57612 0.1848 0.4268 -0.16823 2016 8 13 57613 0.1860 0.4256 -0.16839 2016 8 14 57614 0.1873 0.4245 -0.16855 2016 8 15 57615 0.1885 0.4233 -0.16875 2016 8 16 57616 0.1896 0.4221 -0.16897 2016 8 17 57617 0.1908 0.4209 -0.16928 2016 8 18 57618 0.1919 0.4197 -0.16979 2016 8 19 57619 0.1930 0.4185 -0.17054 2016 8 20 57620 0.1941 0.4172 -0.17146 2016 8 21 57621 0.1951 0.4159 -0.17246 2016 8 22 57622 0.1962 0.4147 -0.17353 2016 8 23 57623 0.1972 0.4134 -0.17452 2016 8 24 57624 0.1981 0.4120 -0.17536 2016 8 25 57625 0.1991 0.4107 -0.17604 2016 8 26 57626 0.2000 0.4094 -0.17662 2016 8 27 57627 0.2009 0.4080 -0.17708 2016 8 28 57628 0.2018 0.4066 -0.17746 2016 8 29 57629 0.2026 0.4052 -0.17777 2016 8 30 57630 0.2034 0.4038 -0.17812 2016 8 31 57631 0.2042 0.4024 -0.17856 2016 9 1 57632 0.2050 0.4010 -0.17906 2016 9 2 57633 0.2057 0.3996 -0.17961 2016 9 3 57634 0.2065 0.3981 -0.18013 2016 9 4 57635 0.2071 0.3967 -0.18065 2016 9 5 57636 0.2078 0.3952 -0.18120 2016 9 6 57637 0.2084 0.3937 -0.18176 2016 9 7 57638 0.2090 0.3922 -0.18228 2016 9 8 57639 0.2096 0.3907 -0.18272 2016 9 9 57640 0.2102 0.3892 -0.18308 2016 9 10 57641 0.2107 0.3877 -0.18340 2016 9 11 57642 0.2112 0.3862 -0.18378 2016 9 12 57643 0.2116 0.3847 -0.18421 2016 9 13 57644 0.2120 0.3832 -0.18473 2016 9 14 57645 0.2125 0.3816 -0.18535 2016 9 15 57646 0.2128 0.3801 -0.18612 2016 9 16 57647 0.2132 0.3785 -0.18711 2016 9 17 57648 0.2135 0.3770 -0.18828 2016 9 18 57649 0.2138 0.3754 -0.18956 2016 9 19 57650 0.2140 0.3738 -0.19081 2016 9 20 57651 0.2143 0.3723 -0.19199 2016 9 21 57652 0.2145 0.3707 -0.19303 2016 9 22 57653 0.2146 0.3691 -0.19394 2016 9 23 57654 0.2148 0.3675 -0.19480 2016 9 24 57655 0.2149 0.3659 -0.19554 2016 9 25 57656 0.2150 0.3644 -0.19629 2016 9 26 57657 0.2150 0.3628 -0.19708 2016 9 27 57658 0.2151 0.3612 -0.19795 2016 9 28 57659 0.2151 0.3596 -0.19893 2016 9 29 57660 0.2150 0.3580 -0.19994 2016 9 30 57661 0.2150 0.3564 -0.20088 2016 10 1 57662 0.2149 0.3548 -0.20184 2016 10 2 57663 0.2148 0.3533 -0.20284 2016 10 3 57664 0.2146 0.3517 -0.20380 2016 10 4 57665 0.2144 0.3501 -0.20469 2016 10 5 57666 0.2142 0.3485 -0.20552 2016 10 6 57667 0.2140 0.3469 -0.20630 2016 10 7 57668 0.2138 0.3454 -0.20705 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) 57267 -100.30 0.30 -13.22 0.01 57268 -100.67 0.30 -13.14 0.01 57269 -100.86 0.30 -13.07 0.01 57270 -100.68 0.30 -13.15 0.15 57271 -100.26 0.30 -13.37 0.15 57272 -99.92 0.30 -13.59 0.15 57273 -99.83 0.30 -13.68 0.01 57274 -99.83 0.30 -13.68 0.01 57275 -99.73 0.30 -13.63 0.01 57276 -99.54 0.30 -13.50 0.01 57277 -99.43 0.30 -13.23 0.01 57278 -99.48 0.30 -12.91 0.02 57279 -99.66 0.30 -12.73 0.15 57280 -99.85 0.30 -12.81 0.15 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 57236 -96.8 -13.2 57237 -97.2 -13.1 57238 -97.6 -13.1 57239 -98.0 -13.2 57240 -98.2 -13.3 57241 -98.2 -13.4 57242 -98.1 -13.5 57243 -98.1 -13.6 57244 -98.3 -13.6 57245 -98.5 -13.7 57246 -98.5 -13.8 57247 -98.3 -13.8 57248 -98.0 -13.7 57249 -97.8 -13.4 57250 -97.7 -13.2 57251 -98.1 -13.2 57252 -98.3 -13.3 57253 -98.4 -13.4 57254 -98.2 -13.6 57255 -98.0 -13.8 57256 -98.3 -13.8 57257 -99.0 -13.8 57258 -99.6 -13.6 57259 -99.7 -13.3 57260 -99.4 -13.2 57261 -99.3 -13.4 57262 -99.3 -13.5 57263 -99.6 -13.6 57264 -99.8 -13.5 57265 -99.9 -13.3 57266 -100.0 -13.3 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 57267 0.057 0.119 -0.286 0.010 57268 0.056 0.119 -0.314 0.010 57269 0.060 0.119 -0.299 0.010 57270 0.066 0.119 -0.255 0.150 57271 0.078 0.119 -0.222 0.150 57272 0.105 0.119 -0.226 0.150 57273 0.128 0.119 -0.226 0.010 57274 0.141 0.119 -0.226 0.010 57275 0.145 0.119 -0.228 0.010 57276 0.141 0.119 -0.237 0.010 57277 0.119 0.119 -0.227 0.010 57278 0.091 0.119 -0.202 0.020 57279 0.067 0.119 -0.180 0.150 57280 0.042 0.119 -0.187 0.150 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 57236 0.25 -0.20 57237 0.23 -0.31 57238 0.22 -0.30 57239 0.17 -0.26 57240 0.11 -0.21 57241 0.06 -0.20 57242 0.05 -0.21 57243 0.07 -0.21 57244 0.09 -0.12 57245 0.09 -0.15 57246 0.10 -0.21 57247 0.11 -0.23 57248 0.15 -0.25 57249 0.19 -0.16 57250 0.24 -0.17 57251 0.17 -0.24 57252 0.18 -0.23 57253 0.17 -0.13 57254 0.18 -0.13 57255 0.22 -0.19 57256 0.21 -0.13 57257 0.19 -0.17 57258 0.16 -0.15 57259 0.15 -0.08 57260 0.16 -0.11 57261 0.11 -0.22 57262 0.13 -0.16 57263 0.09 -0.23 57264 0.07 -0.28 57265 0.06 -0.24 57266 0.07 -0.31 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).