********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 17 September 2015 Vol. XXVIII No. 038 ______________________________________________________________________ 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 9 11 57276 0.22573 .00009 0.35446 .00009 0.259155 0.000009 15 9 12 57277 0.22502 .00009 0.35235 .00009 0.257969 0.000013 15 9 13 57278 0.22485 .00009 0.35030 .00009 0.256663 0.000011 15 9 14 57279 0.22482 .00009 0.34835 .00009 0.255348 0.000009 15 9 15 57280 0.22466 .00009 0.34658 .00009 0.254034 0.000009 15 9 16 57281 0.22427 .00009 0.34512 .00009 0.252718 0.000008 15 9 17 57282 0.22357 .00009 0.34371 .00009 0.251456 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 = 0.1005 + 0.0754 cos A - 0.0116 sin A + 0.0373 cos C - 0.0053 sin C y = 0.3574 - 0.0065 cos A - 0.0658 sin A - 0.0053 cos C - 0.0373 sin C UT1-UTC = 0.1836 - 0.00111 (MJD - 57290) - (UT2-UT1) where A = 2*pi*(MJD-57282)/365.25 and C = 2*pi*(MJD-57282)/435. TAI-UTC(MJD 57283) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57282)**0.80 S t = 0.00025 (MJD-57282)**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 9 18 57283 0.2229 0.3421 0.25022 2015 9 19 57284 0.2221 0.3404 0.24903 2015 9 20 57285 0.2215 0.3385 0.24784 2015 9 21 57286 0.2211 0.3367 0.24665 2015 9 22 57287 0.2207 0.3348 0.24542 2015 9 23 57288 0.2205 0.3331 0.24414 2015 9 24 57289 0.2201 0.3314 0.24277 2015 9 25 57290 0.2196 0.3297 0.24124 2015 9 26 57291 0.2191 0.3280 0.23949 2015 9 27 57292 0.2186 0.3264 0.23750 2015 9 28 57293 0.2181 0.3247 0.23536 2015 9 29 57294 0.2175 0.3230 0.23322 2015 9 30 57295 0.2170 0.3213 0.23117 2015 10 1 57296 0.2164 0.3197 0.22927 2015 10 2 57297 0.2158 0.3180 0.22753 2015 10 3 57298 0.2152 0.3164 0.22595 2015 10 4 57299 0.2146 0.3148 0.22445 2015 10 5 57300 0.2139 0.3132 0.22298 2015 10 6 57301 0.2132 0.3117 0.22149 2015 10 7 57302 0.2125 0.3101 0.21993 2015 10 8 57303 0.2117 0.3085 0.21830 2015 10 9 57304 0.2109 0.3069 0.21661 2015 10 10 57305 0.2101 0.3054 0.21487 2015 10 11 57306 0.2093 0.3038 0.21308 2015 10 12 57307 0.2084 0.3023 0.21127 2015 10 13 57308 0.2075 0.3008 0.20948 2015 10 14 57309 0.2066 0.2992 0.20772 2015 10 15 57310 0.2056 0.2978 0.20601 2015 10 16 57311 0.2047 0.2963 0.20436 2015 10 17 57312 0.2036 0.2948 0.20276 2015 10 18 57313 0.2026 0.2933 0.20119 2015 10 19 57314 0.2016 0.2919 0.19961 2015 10 20 57315 0.2005 0.2904 0.19798 2015 10 21 57316 0.1994 0.2890 0.19625 2015 10 22 57317 0.1982 0.2876 0.19436 2015 10 23 57318 0.1971 0.2862 0.19230 2015 10 24 57319 0.1959 0.2848 0.19006 2015 10 25 57320 0.1947 0.2834 0.18768 2015 10 26 57321 0.1935 0.2821 0.18524 2015 10 27 57322 0.1922 0.2808 0.18283 2015 10 28 57323 0.1909 0.2795 0.18056 2015 10 29 57324 0.1896 0.2782 0.17845 2015 10 30 57325 0.1883 0.2769 0.17653 2015 10 31 57326 0.1870 0.2756 0.17474 2015 11 1 57327 0.1856 0.2744 0.17303 2015 11 2 57328 0.1842 0.2732 0.17135 2015 11 3 57329 0.1828 0.2720 0.16964 2015 11 4 57330 0.1814 0.2708 0.16789 2015 11 5 57331 0.1800 0.2696 0.16609 2015 11 6 57332 0.1785 0.2685 0.16423 2015 11 7 57333 0.1770 0.2674 0.16235 2015 11 8 57334 0.1755 0.2663 0.16044 2015 11 9 57335 0.1740 0.2652 0.15855 2015 11 10 57336 0.1724 0.2642 0.15669 2015 11 11 57337 0.1709 0.2631 0.15488 2015 11 12 57338 0.1693 0.2621 0.15315 2015 11 13 57339 0.1677 0.2611 0.15150 2015 11 14 57340 0.1661 0.2602 0.14993 2015 11 15 57341 0.1644 0.2592 0.14840 2015 11 16 57342 0.1628 0.2583 0.14687 2015 11 17 57343 0.1611 0.2574 0.14530 2015 11 18 57344 0.1594 0.2566 0.14364 2015 11 19 57345 0.1577 0.2557 0.14183 2015 11 20 57346 0.1560 0.2549 0.13988 2015 11 21 57347 0.1543 0.2541 0.13781 2015 11 22 57348 0.1526 0.2533 0.13565 2015 11 23 57349 0.1508 0.2526 0.13350 2015 11 24 57350 0.1491 0.2519 0.13142 2015 11 25 57351 0.1473 0.2512 0.12949 2015 11 26 57352 0.1455 0.2505 0.12773 2015 11 27 57353 0.1437 0.2499 0.12611 2015 11 28 57354 0.1419 0.2493 0.12461 2015 11 29 57355 0.1401 0.2487 0.12315 2015 11 30 57356 0.1383 0.2481 0.12171 2015 12 1 57357 0.1365 0.2476 0.12024 2015 12 2 57358 0.1346 0.2471 0.11875 2015 12 3 57359 0.1328 0.2466 0.11722 2015 12 4 57360 0.1309 0.2461 0.11566 2015 12 5 57361 0.1291 0.2457 0.11411 2015 12 6 57362 0.1272 0.2453 0.11257 2015 12 7 57363 0.1253 0.2449 0.11108 2015 12 8 57364 0.1234 0.2446 0.10965 2015 12 9 57365 0.1216 0.2442 0.10830 2015 12 10 57366 0.1197 0.2440 0.10702 2015 12 11 57367 0.1178 0.2437 0.10581 2015 12 12 57368 0.1159 0.2435 0.10465 2015 12 13 57369 0.1140 0.2432 0.10351 2015 12 14 57370 0.1121 0.2431 0.10234 2015 12 15 57371 0.1102 0.2429 0.10108 2015 12 16 57372 0.1083 0.2428 0.09969 2015 12 17 57373 0.1064 0.2427 0.09818 2015 12 18 57374 0.1045 0.2426 0.09654 2015 12 19 57375 0.1026 0.2426 0.09483 2015 12 20 57376 0.1007 0.2426 0.09311 2015 12 21 57377 0.0988 0.2426 0.09145 2015 12 22 57378 0.0968 0.2426 0.08990 2015 12 23 57379 0.0950 0.2427 0.08850 2015 12 24 57380 0.0931 0.2428 0.08725 2015 12 25 57381 0.0912 0.2429 0.08611 2015 12 26 57382 0.0893 0.2431 0.08503 2015 12 27 57383 0.0874 0.2433 0.08396 2015 12 28 57384 0.0855 0.2435 0.08286 2015 12 29 57385 0.0836 0.2437 0.08173 2015 12 30 57386 0.0818 0.2440 0.08056 2015 12 31 57387 0.0799 0.2443 0.07934 2016 1 1 57388 0.0781 0.2446 0.07811 2016 1 2 57389 0.0762 0.2449 0.07689 2016 1 3 57390 0.0744 0.2453 0.07568 2016 1 4 57391 0.0725 0.2457 0.07441 2016 1 5 57392 0.0707 0.2461 0.07321 2016 1 6 57393 0.0689 0.2466 0.07206 2016 1 7 57394 0.0671 0.2471 0.07098 2016 1 8 57395 0.0653 0.2476 0.06993 2016 1 9 57396 0.0635 0.2481 0.06889 2016 1 10 57397 0.0618 0.2487 0.06781 2016 1 11 57398 0.0600 0.2493 0.06664 2016 1 12 57399 0.0583 0.2499 0.06534 2016 1 13 57400 0.0565 0.2506 0.06389 2016 1 14 57401 0.0548 0.2512 0.06230 2016 1 15 57402 0.0531 0.2519 0.06063 2016 1 16 57403 0.0514 0.2526 0.05893 2016 1 17 57404 0.0497 0.2534 0.05729 2016 1 18 57405 0.0481 0.2542 0.05574 2016 1 19 57406 0.0464 0.2550 0.05433 2016 1 20 57407 0.0448 0.2558 0.05304 2016 1 21 57408 0.0432 0.2566 0.05187 2016 1 22 57409 0.0416 0.2575 0.05077 2016 1 23 57410 0.0400 0.2584 0.04968 2016 1 24 57411 0.0384 0.2593 0.04856 2016 1 25 57412 0.0369 0.2602 0.04739 2016 1 26 57413 0.0354 0.2612 0.04615 2016 1 27 57414 0.0339 0.2622 0.04487 2016 1 28 57415 0.0324 0.2632 0.04355 2016 1 29 57416 0.0309 0.2642 0.04222 2016 1 30 57417 0.0295 0.2653 0.04090 2016 1 31 57418 0.0280 0.2664 0.03961 2016 2 1 57419 0.0266 0.2675 0.03837 2016 2 2 57420 0.0252 0.2686 0.03719 2016 2 3 57421 0.0239 0.2697 0.03607 2016 2 4 57422 0.0225 0.2709 0.03497 2016 2 5 57423 0.0212 0.2721 0.03389 2016 2 6 57424 0.0199 0.2733 0.03276 2016 2 7 57425 0.0186 0.2745 0.03155 2016 2 8 57426 0.0174 0.2757 0.03019 2016 2 9 57427 0.0162 0.2770 0.02866 2016 2 10 57428 0.0150 0.2783 0.02695 2016 2 11 57429 0.0138 0.2796 0.02512 2016 2 12 57430 0.0126 0.2809 0.02323 2016 2 13 57431 0.0115 0.2822 0.02137 2016 2 14 57432 0.0104 0.2836 0.01961 2016 2 15 57433 0.0093 0.2850 0.01799 2016 2 16 57434 0.0083 0.2863 0.01653 2016 2 17 57435 0.0072 0.2877 0.01518 2016 2 18 57436 0.0062 0.2892 0.01392 2016 2 19 57437 0.0053 0.2906 0.01268 2016 2 20 57438 0.0043 0.2920 0.01142 2016 2 21 57439 0.0034 0.2935 0.01011 2016 2 22 57440 0.0025 0.2950 0.00874 2016 2 23 57441 0.0016 0.2965 0.00729 2016 2 24 57442 0.0008 0.2980 0.00579 2016 2 25 57443 0.0000 0.2995 0.00427 2016 2 26 57444 -0.0008 0.3010 0.00274 2016 2 27 57445 -0.0015 0.3026 0.00124 2016 2 28 57446 -0.0023 0.3041 -0.00022 2016 2 29 57447 -0.0030 0.3057 -0.00162 2016 3 1 57448 -0.0036 0.3073 -0.00297 2016 3 2 57449 -0.0043 0.3089 -0.00426 2016 3 3 57450 -0.0049 0.3105 -0.00555 2016 3 4 57451 -0.0054 0.3121 -0.00685 2016 3 5 57452 -0.0060 0.3137 -0.00822 2016 3 6 57453 -0.0065 0.3153 -0.00972 2016 3 7 57454 -0.0070 0.3169 -0.01139 2016 3 8 57455 -0.0075 0.3186 -0.01327 2016 3 9 57456 -0.0079 0.3202 -0.01532 2016 3 10 57457 -0.0083 0.3219 -0.01749 2016 3 11 57458 -0.0086 0.3236 -0.01969 2016 3 12 57459 -0.0090 0.3252 -0.02181 2016 3 13 57460 -0.0093 0.3269 -0.02379 2016 3 14 57461 -0.0096 0.3286 -0.02561 2016 3 15 57462 -0.0098 0.3303 -0.02728 2016 3 16 57463 -0.0100 0.3320 -0.02884 2016 3 17 57464 -0.0102 0.3337 -0.03034 2016 3 18 57465 -0.0104 0.3354 -0.03185 2016 3 19 57466 -0.0105 0.3371 -0.03339 2016 3 20 57467 -0.0106 0.3388 -0.03499 2016 3 21 57468 -0.0106 0.3405 -0.03666 2016 3 22 57469 -0.0107 0.3422 -0.03839 2016 3 23 57470 -0.0107 0.3439 -0.04014 2016 3 24 57471 -0.0106 0.3456 -0.04188 2016 3 25 57472 -0.0106 0.3473 -0.04359 2016 3 26 57473 -0.0105 0.3490 -0.04522 2016 3 27 57474 -0.0103 0.3507 -0.04677 2016 3 28 57475 -0.0102 0.3525 -0.04820 2016 3 29 57476 -0.0100 0.3542 -0.04954 2016 3 30 57477 -0.0098 0.3559 -0.05081 2016 3 31 57478 -0.0095 0.3576 -0.05207 2016 4 1 57479 -0.0092 0.3593 -0.05336 2016 4 2 57480 -0.0089 0.3610 -0.05476 2016 4 3 57481 -0.0086 0.3627 -0.05632 2016 4 4 57482 -0.0082 0.3644 -0.05809 2016 4 5 57483 -0.0078 0.3661 -0.06007 2016 4 6 57484 -0.0074 0.3677 -0.06224 2016 4 7 57485 -0.0069 0.3694 -0.06450 2016 4 8 57486 -0.0065 0.3711 -0.06675 2016 4 9 57487 -0.0059 0.3727 -0.06887 2016 4 10 57488 -0.0054 0.3744 -0.07080 2016 4 11 57489 -0.0048 0.3761 -0.07251 2016 4 12 57490 -0.0042 0.3777 -0.07404 2016 4 13 57491 -0.0036 0.3793 -0.07542 2016 4 14 57492 -0.0029 0.3810 -0.07669 2016 4 15 57493 -0.0022 0.3826 -0.07791 2016 4 16 57494 -0.0015 0.3842 -0.07911 2016 4 17 57495 -0.0007 0.3858 -0.08032 2016 4 18 57496 0.0000 0.3874 -0.08156 2016 4 19 57497 0.0008 0.3889 -0.08282 2016 4 20 57498 0.0017 0.3905 -0.08409 2016 4 21 57499 0.0025 0.3921 -0.08532 2016 4 22 57500 0.0034 0.3936 -0.08650 2016 4 23 57501 0.0043 0.3951 -0.08759 2016 4 24 57502 0.0053 0.3966 -0.08859 2016 4 25 57503 0.0062 0.3981 -0.08952 2016 4 26 57504 0.0072 0.3996 -0.09041 2016 4 27 57505 0.0082 0.4011 -0.09129 2016 4 28 57506 0.0093 0.4026 -0.09218 2016 4 29 57507 0.0103 0.4040 -0.09314 2016 4 30 57508 0.0114 0.4055 -0.09425 2016 5 1 57509 0.0126 0.4069 -0.09557 2016 5 2 57510 0.0137 0.4083 -0.09706 2016 5 3 57511 0.0149 0.4097 -0.09872 2016 5 4 57512 0.0160 0.4110 -0.10055 2016 5 5 57513 0.0173 0.4124 -0.10243 2016 5 6 57514 0.0185 0.4137 -0.10430 2016 5 7 57515 0.0197 0.4150 -0.10600 2016 5 8 57516 0.0210 0.4163 -0.10747 2016 5 9 57517 0.0223 0.4176 -0.10877 2016 5 10 57518 0.0236 0.4189 -0.10998 2016 5 11 57519 0.0250 0.4201 -0.11118 2016 5 12 57520 0.0263 0.4213 -0.11239 2016 5 13 57521 0.0277 0.4225 -0.11355 2016 5 14 57522 0.0291 0.4237 -0.11471 2016 5 15 57523 0.0305 0.4249 -0.11591 2016 5 16 57524 0.0320 0.4260 -0.11714 2016 5 17 57525 0.0334 0.4272 -0.11835 2016 5 18 57526 0.0349 0.4283 -0.11946 2016 5 19 57527 0.0364 0.4294 -0.12051 2016 5 20 57528 0.0379 0.4304 -0.12141 2016 5 21 57529 0.0395 0.4314 -0.12216 2016 5 22 57530 0.0410 0.4325 -0.12277 2016 5 23 57531 0.0426 0.4335 -0.12329 2016 5 24 57532 0.0442 0.4344 -0.12376 2016 5 25 57533 0.0457 0.4354 -0.12416 2016 5 26 57534 0.0474 0.4363 -0.12477 2016 5 27 57535 0.0490 0.4372 -0.12536 2016 5 28 57536 0.0506 0.4381 -0.12615 2016 5 29 57537 0.0523 0.4389 -0.12712 2016 5 30 57538 0.0539 0.4398 -0.12816 2016 5 31 57539 0.0556 0.4406 -0.12943 2016 6 1 57540 0.0573 0.4414 -0.13078 2016 6 2 57541 0.0590 0.4421 -0.13212 2016 6 3 57542 0.0607 0.4429 -0.13341 2016 6 4 57543 0.0624 0.4436 -0.13450 2016 6 5 57544 0.0642 0.4443 -0.13542 2016 6 6 57545 0.0659 0.4449 -0.13616 2016 6 7 57546 0.0676 0.4455 -0.13675 2016 6 8 57547 0.0694 0.4462 -0.13730 2016 6 9 57548 0.0712 0.4467 -0.13791 2016 6 10 57549 0.0729 0.4473 -0.13852 2016 6 11 57550 0.0747 0.4478 -0.13908 2016 6 12 57551 0.0765 0.4483 -0.13958 2016 6 13 57552 0.0783 0.4488 -0.14002 2016 6 14 57553 0.0801 0.4493 -0.14048 2016 6 15 57554 0.0819 0.4497 -0.14086 2016 6 16 57555 0.0837 0.4501 -0.14125 2016 6 17 57556 0.0856 0.4505 -0.14159 2016 6 18 57557 0.0874 0.4508 -0.14181 2016 6 19 57558 0.0892 0.4511 -0.14193 2016 6 20 57559 0.0910 0.4514 -0.14198 2016 6 21 57560 0.0929 0.4517 -0.14203 2016 6 22 57561 0.0947 0.4519 -0.14216 2016 6 23 57562 0.0965 0.4521 -0.14233 2016 6 24 57563 0.0984 0.4523 -0.14255 2016 6 25 57564 0.1002 0.4525 -0.14293 2016 6 26 57565 0.1020 0.4526 -0.14339 2016 6 27 57566 0.1039 0.4527 -0.14398 2016 6 28 57567 0.1057 0.4528 -0.14464 2016 6 29 57568 0.1075 0.4529 -0.14528 2016 6 30 57569 0.1094 0.4529 -0.14591 2016 7 1 57570 0.1112 0.4529 -0.14647 2016 7 2 57571 0.1130 0.4529 -0.14694 2016 7 3 57572 0.1148 0.4528 -0.14729 2016 7 4 57573 0.1166 0.4527 -0.14758 2016 7 5 57574 0.1185 0.4526 -0.14779 2016 7 6 57575 0.1203 0.4525 -0.14798 2016 7 7 57576 0.1221 0.4523 -0.14824 2016 7 8 57577 0.1239 0.4521 -0.14862 2016 7 9 57578 0.1257 0.4519 -0.14903 2016 7 10 57579 0.1274 0.4517 -0.14940 2016 7 11 57580 0.1292 0.4514 -0.14978 2016 7 12 57581 0.1310 0.4511 -0.15009 2016 7 13 57582 0.1327 0.4508 -0.15029 2016 7 14 57583 0.1345 0.4504 -0.15037 2016 7 15 57584 0.1362 0.4501 -0.15040 2016 7 16 57585 0.1380 0.4497 -0.15033 2016 7 17 57586 0.1397 0.4492 -0.15016 2016 7 18 57587 0.1414 0.4488 -0.14990 2016 7 19 57588 0.1431 0.4483 -0.14962 2016 7 20 57589 0.1448 0.4478 -0.14943 2016 7 21 57590 0.1465 0.4473 -0.14931 2016 7 22 57591 0.1481 0.4468 -0.14933 2016 7 23 57592 0.1498 0.4462 -0.14943 2016 7 24 57593 0.1514 0.4456 -0.14966 2016 7 25 57594 0.1530 0.4450 -0.15002 2016 7 26 57595 0.1547 0.4443 -0.15046 2016 7 27 57596 0.1563 0.4436 -0.15086 2016 7 28 57597 0.1578 0.4430 -0.15115 2016 7 29 57598 0.1594 0.4422 -0.15129 2016 7 30 57599 0.1610 0.4415 -0.15129 2016 7 31 57600 0.1625 0.4407 -0.15127 2016 8 1 57601 0.1640 0.4399 -0.15120 2016 8 2 57602 0.1655 0.4391 -0.15115 2016 8 3 57603 0.1670 0.4383 -0.15111 2016 8 4 57604 0.1685 0.4375 -0.15108 2016 8 5 57605 0.1699 0.4366 -0.15115 2016 8 6 57606 0.1713 0.4357 -0.15127 2016 8 7 57607 0.1728 0.4348 -0.15142 2016 8 8 57608 0.1741 0.4338 -0.15150 2016 8 9 57609 0.1755 0.4329 -0.15158 2016 8 10 57610 0.1769 0.4319 -0.15158 2016 8 11 57611 0.1782 0.4309 -0.15153 2016 8 12 57612 0.1795 0.4299 -0.15150 2016 8 13 57613 0.1808 0.4288 -0.15137 2016 8 14 57614 0.1821 0.4278 -0.15125 2016 8 15 57615 0.1833 0.4267 -0.15115 2016 8 16 57616 0.1846 0.4256 -0.15113 2016 8 17 57617 0.1858 0.4245 -0.15126 2016 8 18 57618 0.1869 0.4234 -0.15150 2016 8 19 57619 0.1881 0.4222 -0.15181 2016 8 20 57620 0.1892 0.4210 -0.15231 2016 8 21 57621 0.1904 0.4199 -0.15298 2016 8 22 57622 0.1914 0.4187 -0.15370 2016 8 23 57623 0.1925 0.4174 -0.15438 2016 8 24 57624 0.1936 0.4162 -0.15497 2016 8 25 57625 0.1946 0.4150 -0.15546 2016 8 26 57626 0.1956 0.4137 -0.15584 2016 8 27 57627 0.1965 0.4124 -0.15616 2016 8 28 57628 0.1975 0.4111 -0.15655 2016 8 29 57629 0.1984 0.4098 -0.15689 2016 8 30 57630 0.1993 0.4085 -0.15725 2016 8 31 57631 0.2002 0.4072 -0.15766 2016 9 1 57632 0.2010 0.4058 -0.15817 2016 9 2 57633 0.2018 0.4044 -0.15870 2016 9 3 57634 0.2026 0.4031 -0.15933 2016 9 4 57635 0.2034 0.4017 -0.15998 2016 9 5 57636 0.2041 0.4003 -0.16060 2016 9 6 57637 0.2048 0.3989 -0.16118 2016 9 7 57638 0.2055 0.3975 -0.16174 2016 9 8 57639 0.2062 0.3960 -0.16219 2016 9 9 57640 0.2068 0.3946 -0.16251 2016 9 10 57641 0.2074 0.3931 -0.16282 2016 9 11 57642 0.2080 0.3917 -0.16316 2016 9 12 57643 0.2085 0.3902 -0.16361 2016 9 13 57644 0.2090 0.3888 -0.16408 2016 9 14 57645 0.2095 0.3873 -0.16469 2016 9 15 57646 0.2100 0.3858 -0.16550 2016 9 16 57647 0.2104 0.3843 -0.16650 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).