********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 22 October 2015 Vol. XXVIII 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 = +0.2 seconds beginning 17 Sep 2015 at 0000 UTC Beginning 1 July 2015: TAI-UTC = 36.000 000 seconds *********************************************************************** * As of Bulletin A Vol. XXVIII No. 043, on 22 Oct 2015, the contri- * * bution of the US Navy Fleet Numerical Meteorology and Oceanography * * Center (FNMOC) to the Atmospheric Angular Momentum (AAM) * * inputs has been upgraded to version 1.3 of the Navy Global * * Environmental Model (NAVGEM). It is anticipated that this * * upgrade may somewhat improve the short term UT1-UTC predictions. * * * * 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 16 57311 0.19205 .00010 0.29041 .00009 0.207582 0.000011 15 10 17 57312 0.19011 .00009 0.28888 .00009 0.206193 0.000011 15 10 18 57313 0.18838 .00009 0.28726 .00009 0.204722 0.000011 15 10 19 57314 0.18695 .00009 0.28565 .00009 0.203169 0.000009 15 10 20 57315 0.18580 .00009 0.28429 .00009 0.201603 0.000009 15 10 21 57316 0.18479 .00009 0.28323 .00009 0.200023 0.000009 15 10 22 57317 0.18380 .00009 0.28238 .00009 0.198338 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 = 0.0996 + 0.0510 cos A - 0.0530 sin A + 0.0338 cos C - 0.0198 sin C y = 0.3502 - 0.0427 cos A - 0.0457 sin A - 0.0198 cos C - 0.0338 sin C UT1-UTC = 0.1423 - 0.00117 (MJD - 57325) - (UT2-UT1) where A = 2*pi*(MJD-57317)/365.25 and C = 2*pi*(MJD-57317)/435. TAI-UTC(MJD 57318) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57317)**0.80 S t = 0.00025 (MJD-57317)**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 23 57318 0.1826 0.2814 0.19648 2015 10 24 57319 0.1814 0.2805 0.19443 2015 10 25 57320 0.1800 0.2795 0.19224 2015 10 26 57321 0.1787 0.2784 0.18998 2015 10 27 57322 0.1773 0.2773 0.18777 2015 10 28 57323 0.1760 0.2762 0.18570 2015 10 29 57324 0.1746 0.2752 0.18384 2015 10 30 57325 0.1733 0.2743 0.18216 2015 10 31 57326 0.1718 0.2734 0.18061 2015 11 1 57327 0.1704 0.2725 0.17912 2015 11 2 57328 0.1689 0.2716 0.17763 2015 11 3 57329 0.1674 0.2707 0.17612 2015 11 4 57330 0.1659 0.2698 0.17457 2015 11 5 57331 0.1644 0.2689 0.17293 2015 11 6 57332 0.1628 0.2680 0.17124 2015 11 7 57333 0.1613 0.2671 0.16952 2015 11 8 57334 0.1598 0.2662 0.16779 2015 11 9 57335 0.1583 0.2654 0.16606 2015 11 10 57336 0.1567 0.2646 0.16438 2015 11 11 57337 0.1552 0.2638 0.16277 2015 11 12 57338 0.1536 0.2630 0.16123 2015 11 13 57339 0.1520 0.2622 0.15977 2015 11 14 57340 0.1504 0.2615 0.15838 2015 11 15 57341 0.1487 0.2608 0.15701 2015 11 16 57342 0.1471 0.2601 0.15562 2015 11 17 57343 0.1455 0.2594 0.15415 2015 11 18 57344 0.1438 0.2587 0.15256 2015 11 19 57345 0.1422 0.2581 0.15082 2015 11 20 57346 0.1405 0.2575 0.14891 2015 11 21 57347 0.1388 0.2569 0.14686 2015 11 22 57348 0.1371 0.2564 0.14472 2015 11 23 57349 0.1354 0.2559 0.14257 2015 11 24 57350 0.1337 0.2554 0.14048 2015 11 25 57351 0.1320 0.2549 0.13852 2015 11 26 57352 0.1303 0.2544 0.13671 2015 11 27 57353 0.1285 0.2540 0.13504 2015 11 28 57354 0.1268 0.2536 0.13346 2015 11 29 57355 0.1250 0.2532 0.13192 2015 11 30 57356 0.1233 0.2529 0.13038 2015 12 1 57357 0.1215 0.2525 0.12882 2015 12 2 57358 0.1197 0.2522 0.12722 2015 12 3 57359 0.1179 0.2520 0.12558 2015 12 4 57360 0.1162 0.2517 0.12392 2015 12 5 57361 0.1144 0.2515 0.12224 2015 12 6 57362 0.1126 0.2513 0.12057 2015 12 7 57363 0.1108 0.2511 0.11894 2015 12 8 57364 0.1090 0.2510 0.11735 2015 12 9 57365 0.1072 0.2509 0.11583 2015 12 10 57366 0.1054 0.2508 0.11437 2015 12 11 57367 0.1036 0.2507 0.11297 2015 12 12 57368 0.1018 0.2507 0.11160 2015 12 13 57369 0.1000 0.2507 0.11024 2015 12 14 57370 0.0982 0.2507 0.10883 2015 12 15 57371 0.0964 0.2507 0.10733 2015 12 16 57372 0.0947 0.2508 0.10570 2015 12 17 57373 0.0929 0.2509 0.10394 2015 12 18 57374 0.0911 0.2510 0.10205 2015 12 19 57375 0.0893 0.2512 0.10010 2015 12 20 57376 0.0875 0.2513 0.09812 2015 12 21 57377 0.0857 0.2515 0.09620 2015 12 22 57378 0.0840 0.2518 0.09439 2015 12 23 57379 0.0822 0.2520 0.09271 2015 12 24 57380 0.0804 0.2523 0.09116 2015 12 25 57381 0.0787 0.2526 0.08972 2015 12 26 57382 0.0769 0.2529 0.08832 2015 12 27 57383 0.0752 0.2533 0.08693 2015 12 28 57384 0.0734 0.2537 0.08551 2015 12 29 57385 0.0717 0.2541 0.08405 2015 12 30 57386 0.0700 0.2545 0.08254 2015 12 31 57387 0.0683 0.2550 0.08100 2016 1 1 57388 0.0666 0.2555 0.07943 2016 1 2 57389 0.0649 0.2560 0.07786 2016 1 3 57390 0.0632 0.2565 0.07632 2016 1 4 57391 0.0615 0.2571 0.07483 2016 1 5 57392 0.0599 0.2577 0.07341 2016 1 6 57393 0.0582 0.2583 0.07206 2016 1 7 57394 0.0566 0.2589 0.07078 2016 1 8 57395 0.0550 0.2596 0.06956 2016 1 9 57396 0.0534 0.2602 0.06834 2016 1 10 57397 0.0518 0.2610 0.06710 2016 1 11 57398 0.0502 0.2617 0.06577 2016 1 12 57399 0.0486 0.2624 0.06430 2016 1 13 57400 0.0471 0.2632 0.06269 2016 1 14 57401 0.0455 0.2640 0.06096 2016 1 15 57402 0.0440 0.2649 0.05914 2016 1 16 57403 0.0425 0.2657 0.05730 2016 1 17 57404 0.0410 0.2666 0.05551 2016 1 18 57405 0.0395 0.2675 0.05382 2016 1 19 57406 0.0381 0.2684 0.05226 2016 1 20 57407 0.0366 0.2693 0.05083 2016 1 21 57408 0.0352 0.2703 0.04950 2016 1 22 57409 0.0338 0.2713 0.04824 2016 1 23 57410 0.0324 0.2723 0.04699 2016 1 24 57411 0.0311 0.2733 0.04572 2016 1 25 57412 0.0297 0.2744 0.04439 2016 1 26 57413 0.0284 0.2754 0.04300 2016 1 27 57414 0.0271 0.2765 0.04157 2016 1 28 57415 0.0258 0.2776 0.04011 2016 1 29 57416 0.0246 0.2787 0.03864 2016 1 30 57417 0.0233 0.2799 0.03718 2016 1 31 57418 0.0221 0.2810 0.03577 2016 2 1 57419 0.0209 0.2822 0.03440 2016 2 2 57420 0.0197 0.2834 0.03311 2016 2 3 57421 0.0186 0.2846 0.03187 2016 2 4 57422 0.0174 0.2859 0.03068 2016 2 5 57423 0.0163 0.2871 0.02950 2016 2 6 57424 0.0153 0.2884 0.02829 2016 2 7 57425 0.0142 0.2897 0.02699 2016 2 8 57426 0.0132 0.2910 0.02549 2016 2 9 57427 0.0122 0.2923 0.02380 2016 2 10 57428 0.0112 0.2936 0.02194 2016 2 11 57429 0.0102 0.2950 0.01995 2016 2 12 57430 0.0093 0.2963 0.01790 2016 2 13 57431 0.0084 0.2977 0.01589 2016 2 14 57432 0.0075 0.2991 0.01397 2016 2 15 57433 0.0066 0.3005 0.01220 2016 2 16 57434 0.0058 0.3019 0.01057 2016 2 17 57435 0.0050 0.3034 0.00907 2016 2 18 57436 0.0042 0.3048 0.00765 2016 2 19 57437 0.0035 0.3063 0.00626 2016 2 20 57438 0.0028 0.3077 0.00485 2016 2 21 57439 0.0021 0.3092 0.00339 2016 2 22 57440 0.0014 0.3107 0.00186 2016 2 23 57441 0.0007 0.3122 0.00026 2016 2 24 57442 0.0001 0.3137 -0.00140 2016 2 25 57443 -0.0004 0.3152 -0.00308 2016 2 26 57444 -0.0010 0.3168 -0.00476 2016 2 27 57445 -0.0015 0.3183 -0.00642 2016 2 28 57446 -0.0020 0.3198 -0.00804 2016 2 29 57447 -0.0025 0.3214 -0.00960 2016 3 1 57448 -0.0029 0.3230 -0.01110 2016 3 2 57449 -0.0033 0.3245 -0.01255 2016 3 3 57450 -0.0037 0.3261 -0.01399 2016 3 4 57451 -0.0041 0.3277 -0.01545 2016 3 5 57452 -0.0044 0.3293 -0.01698 2016 3 6 57453 -0.0047 0.3309 -0.01864 2016 3 7 57454 -0.0050 0.3325 -0.02047 2016 3 8 57455 -0.0052 0.3341 -0.02250 2016 3 9 57456 -0.0054 0.3357 -0.02471 2016 3 10 57457 -0.0056 0.3373 -0.02704 2016 3 11 57458 -0.0057 0.3389 -0.02938 2016 3 12 57459 -0.0058 0.3405 -0.03165 2016 3 13 57460 -0.0059 0.3422 -0.03377 2016 3 14 57461 -0.0060 0.3438 -0.03572 2016 3 15 57462 -0.0060 0.3454 -0.03751 2016 3 16 57463 -0.0060 0.3470 -0.03918 2016 3 17 57464 -0.0060 0.3487 -0.04080 2016 3 18 57465 -0.0059 0.3503 -0.04240 2016 3 19 57466 -0.0058 0.3519 -0.04404 2016 3 20 57467 -0.0057 0.3535 -0.04573 2016 3 21 57468 -0.0056 0.3552 -0.04747 2016 3 22 57469 -0.0054 0.3568 -0.04927 2016 3 23 57470 -0.0052 0.3584 -0.05109 2016 3 24 57471 -0.0049 0.3600 -0.05292 2016 3 25 57472 -0.0047 0.3616 -0.05472 2016 3 26 57473 -0.0044 0.3633 -0.05648 2016 3 27 57474 -0.0040 0.3649 -0.05817 2016 3 28 57475 -0.0037 0.3665 -0.05979 2016 3 29 57476 -0.0033 0.3681 -0.06134 2016 3 30 57477 -0.0029 0.3697 -0.06284 2016 3 31 57478 -0.0024 0.3713 -0.06433 2016 4 1 57479 -0.0020 0.3728 -0.06586 2016 4 2 57480 -0.0015 0.3744 -0.06747 2016 4 3 57481 -0.0009 0.3760 -0.06922 2016 4 4 57482 -0.0004 0.3775 -0.07116 2016 4 5 57483 0.0002 0.3791 -0.07328 2016 4 6 57484 0.0008 0.3807 -0.07556 2016 4 7 57485 0.0015 0.3822 -0.07793 2016 4 8 57486 0.0021 0.3837 -0.08027 2016 4 9 57487 0.0028 0.3852 -0.08250 2016 4 10 57488 0.0036 0.3868 -0.08456 2016 4 11 57489 0.0043 0.3883 -0.08643 2016 4 12 57490 0.0051 0.3898 -0.08816 2016 4 13 57491 0.0059 0.3912 -0.08980 2016 4 14 57492 0.0067 0.3927 -0.09140 2016 4 15 57493 0.0076 0.3942 -0.09301 2016 4 16 57494 0.0085 0.3956 -0.09465 2016 4 17 57495 0.0094 0.3970 -0.09635 2016 4 18 57496 0.0103 0.3985 -0.09810 2016 4 19 57497 0.0113 0.3999 -0.09989 2016 4 20 57498 0.0123 0.4013 -0.10171 2016 4 21 57499 0.0133 0.4026 -0.10352 2016 4 22 57500 0.0143 0.4040 -0.10530 2016 4 23 57501 0.0154 0.4054 -0.10705 2016 4 24 57502 0.0164 0.4067 -0.10875 2016 4 25 57503 0.0175 0.4080 -0.11040 2016 4 26 57504 0.0187 0.4093 -0.11202 2016 4 27 57505 0.0198 0.4106 -0.11362 2016 4 28 57506 0.0210 0.4119 -0.11522 2016 4 29 57507 0.0222 0.4131 -0.11686 2016 4 30 57508 0.0234 0.4144 -0.11857 2016 5 1 57509 0.0247 0.4156 -0.12036 2016 5 2 57510 0.0259 0.4168 -0.12227 2016 5 3 57511 0.0272 0.4180 -0.12428 2016 5 4 57512 0.0285 0.4192 -0.12635 2016 5 5 57513 0.0298 0.4203 -0.12842 2016 5 6 57514 0.0312 0.4214 -0.13039 2016 5 7 57515 0.0325 0.4225 -0.13216 2016 5 8 57516 0.0339 0.4236 -0.13371 2016 5 9 57517 0.0353 0.4247 -0.13503 2016 5 10 57518 0.0367 0.4257 -0.13617 2016 5 11 57519 0.0381 0.4268 -0.13719 2016 5 12 57520 0.0396 0.4278 -0.13816 2016 5 13 57521 0.0411 0.4288 -0.13911 2016 5 14 57522 0.0425 0.4297 -0.14008 2016 5 15 57523 0.0440 0.4307 -0.14106 2016 5 16 57524 0.0456 0.4316 -0.14207 2016 5 17 57525 0.0471 0.4325 -0.14309 2016 5 18 57526 0.0486 0.4334 -0.14412 2016 5 19 57527 0.0502 0.4342 -0.14511 2016 5 20 57528 0.0518 0.4351 -0.14603 2016 5 21 57529 0.0534 0.4359 -0.14683 2016 5 22 57530 0.0550 0.4367 -0.14749 2016 5 23 57531 0.0566 0.4374 -0.14799 2016 5 24 57532 0.0582 0.4382 -0.14837 2016 5 25 57533 0.0598 0.4389 -0.14865 2016 5 26 57534 0.0615 0.4396 -0.14891 2016 5 27 57535 0.0632 0.4403 -0.14925 2016 5 28 57536 0.0648 0.4409 -0.14974 2016 5 29 57537 0.0665 0.4415 -0.15046 2016 5 30 57538 0.0682 0.4421 -0.15139 2016 5 31 57539 0.0699 0.4427 -0.15251 2016 6 1 57540 0.0716 0.4433 -0.15374 2016 6 2 57541 0.0733 0.4438 -0.15501 2016 6 3 57542 0.0750 0.4443 -0.15622 2016 6 4 57543 0.0768 0.4447 -0.15730 2016 6 5 57544 0.0785 0.4452 -0.15830 2016 6 6 57545 0.0803 0.4456 -0.15914 2016 6 7 57546 0.0820 0.4460 -0.15987 2016 6 8 57547 0.0838 0.4464 -0.16050 2016 6 9 57548 0.0855 0.4467 -0.16116 2016 6 10 57549 0.0873 0.4470 -0.16183 2016 6 11 57550 0.0890 0.4473 -0.16245 2016 6 12 57551 0.0908 0.4476 -0.16313 2016 6 13 57552 0.0926 0.4478 -0.16380 2016 6 14 57553 0.0944 0.4481 -0.16444 2016 6 15 57554 0.0961 0.4482 -0.16506 2016 6 16 57555 0.0979 0.4484 -0.16565 2016 6 17 57556 0.0997 0.4485 -0.16608 2016 6 18 57557 0.1015 0.4487 -0.16643 2016 6 19 57558 0.1033 0.4487 -0.16665 2016 6 20 57559 0.1050 0.4488 -0.16674 2016 6 21 57560 0.1068 0.4488 -0.16675 2016 6 22 57561 0.1086 0.4488 -0.16666 2016 6 23 57562 0.1104 0.4488 -0.16656 2016 6 24 57563 0.1121 0.4488 -0.16656 2016 6 25 57564 0.1139 0.4487 -0.16665 2016 6 26 57565 0.1157 0.4486 -0.16693 2016 6 27 57566 0.1174 0.4485 -0.16730 2016 6 28 57567 0.1192 0.4483 -0.16777 2016 6 29 57568 0.1210 0.4482 -0.16823 2016 6 30 57569 0.1227 0.4479 -0.16862 2016 7 1 57570 0.1244 0.4477 -0.16889 2016 7 2 57571 0.1262 0.4475 -0.16901 2016 7 3 57572 0.1279 0.4472 -0.16899 2016 7 4 57573 0.1296 0.4469 -0.16886 2016 7 5 57574 0.1313 0.4466 -0.16878 2016 7 6 57575 0.1330 0.4462 -0.16872 2016 7 7 57576 0.1347 0.4458 -0.16870 2016 7 8 57577 0.1364 0.4454 -0.16876 2016 7 9 57578 0.1381 0.4450 -0.16890 2016 7 10 57579 0.1398 0.4445 -0.16913 2016 7 11 57580 0.1414 0.4441 -0.16935 2016 7 12 57581 0.1431 0.4436 -0.16954 2016 7 13 57582 0.1447 0.4430 -0.16972 2016 7 14 57583 0.1463 0.4425 -0.16985 2016 7 15 57584 0.1479 0.4419 -0.16996 2016 7 16 57585 0.1495 0.4413 -0.16997 2016 7 17 57586 0.1511 0.4407 -0.16987 2016 7 18 57587 0.1527 0.4400 -0.16974 2016 7 19 57588 0.1542 0.4394 -0.16968 2016 7 20 57589 0.1558 0.4387 -0.16976 2016 7 21 57590 0.1573 0.4379 -0.16998 2016 7 22 57591 0.1588 0.4372 -0.17028 2016 7 23 57592 0.1603 0.4364 -0.17073 2016 7 24 57593 0.1618 0.4357 -0.17132 2016 7 25 57594 0.1633 0.4349 -0.17201 2016 7 26 57595 0.1647 0.4340 -0.17270 2016 7 27 57596 0.1661 0.4332 -0.17330 2016 7 28 57597 0.1676 0.4323 -0.17377 2016 7 29 57598 0.1690 0.4314 -0.17407 2016 7 30 57599 0.1703 0.4305 -0.17418 2016 7 31 57600 0.1717 0.4296 -0.17415 2016 8 1 57601 0.1730 0.4286 -0.17409 2016 8 2 57602 0.1743 0.4277 -0.17407 2016 8 3 57603 0.1756 0.4267 -0.17405 2016 8 4 57604 0.1769 0.4257 -0.17429 2016 8 5 57605 0.1782 0.4246 -0.17451 2016 8 6 57606 0.1794 0.4236 -0.17486 2016 8 7 57607 0.1806 0.4225 -0.17527 2016 8 8 57608 0.1818 0.4214 -0.17560 2016 8 9 57609 0.1830 0.4203 -0.17600 2016 8 10 57610 0.1842 0.4192 -0.17637 2016 8 11 57611 0.1853 0.4181 -0.17668 2016 8 12 57612 0.1864 0.4169 -0.17697 2016 8 13 57613 0.1875 0.4158 -0.17716 2016 8 14 57614 0.1885 0.4146 -0.17734 2016 8 15 57615 0.1896 0.4134 -0.17750 2016 8 16 57616 0.1906 0.4122 -0.17766 2016 8 17 57617 0.1916 0.4109 -0.17794 2016 8 18 57618 0.1926 0.4097 -0.17844 2016 8 19 57619 0.1935 0.4084 -0.17909 2016 8 20 57620 0.1944 0.4071 -0.17985 2016 8 21 57621 0.1953 0.4059 -0.18065 2016 8 22 57622 0.1962 0.4046 -0.18144 2016 8 23 57623 0.1970 0.4032 -0.18225 2016 8 24 57624 0.1978 0.4019 -0.18294 2016 8 25 57625 0.1986 0.4006 -0.18359 2016 8 26 57626 0.1994 0.3992 -0.18414 2016 8 27 57627 0.2001 0.3979 -0.18459 2016 8 28 57628 0.2009 0.3965 -0.18497 2016 8 29 57629 0.2015 0.3951 -0.18535 2016 8 30 57630 0.2022 0.3937 -0.18582 2016 8 31 57631 0.2028 0.3923 -0.18645 2016 9 1 57632 0.2034 0.3909 -0.18713 2016 9 2 57633 0.2040 0.3895 -0.18784 2016 9 3 57634 0.2046 0.3881 -0.18860 2016 9 4 57635 0.2051 0.3866 -0.18932 2016 9 5 57636 0.2056 0.3852 -0.19004 2016 9 6 57637 0.2061 0.3837 -0.19072 2016 9 7 57638 0.2065 0.3823 -0.19131 2016 9 8 57639 0.2069 0.3808 -0.19190 2016 9 9 57640 0.2073 0.3793 -0.19247 2016 9 10 57641 0.2077 0.3778 -0.19307 2016 9 11 57642 0.2080 0.3763 -0.19370 2016 9 12 57643 0.2083 0.3749 -0.19440 2016 9 13 57644 0.2086 0.3734 -0.19516 2016 9 14 57645 0.2088 0.3719 -0.19604 2016 9 15 57646 0.2090 0.3704 -0.19715 2016 9 16 57647 0.2092 0.3689 -0.19853 2016 9 17 57648 0.2094 0.3673 -0.20007 2016 9 18 57649 0.2095 0.3658 -0.20166 2016 9 19 57650 0.2096 0.3643 -0.20329 2016 9 20 57651 0.2097 0.3628 -0.20479 2016 9 21 57652 0.2098 0.3613 -0.20611 2016 9 22 57653 0.2098 0.3598 -0.20723 2016 9 23 57654 0.2098 0.3583 -0.20826 2016 9 24 57655 0.2098 0.3567 -0.20919 2016 9 25 57656 0.2097 0.3552 -0.21007 2016 9 26 57657 0.2096 0.3537 -0.21090 2016 9 27 57658 0.2095 0.3522 -0.21178 2016 9 28 57659 0.2094 0.3507 -0.21275 2016 9 29 57660 0.2092 0.3492 -0.21376 2016 9 30 57661 0.2090 0.3477 -0.21480 2016 10 1 57662 0.2088 0.3462 -0.21579 2016 10 2 57663 0.2085 0.3447 -0.21676 2016 10 3 57664 0.2082 0.3432 -0.21773 2016 10 4 57665 0.2079 0.3417 -0.21870 2016 10 5 57666 0.2076 0.3402 -0.21961 2016 10 6 57667 0.2072 0.3387 -0.22044 2016 10 7 57668 0.2068 0.3372 -0.22120 2016 10 8 57669 0.2064 0.3358 -0.22192 2016 10 9 57670 0.2060 0.3343 -0.22272 2016 10 10 57671 0.2055 0.3328 -0.22358 2016 10 11 57672 0.2050 0.3314 -0.22456 2016 10 12 57673 0.2045 0.3299 -0.22565 2016 10 13 57674 0.2039 0.3285 -0.22689 2016 10 14 57675 0.2033 0.3271 -0.22834 2016 10 15 57676 0.2027 0.3257 -0.22995 2016 10 16 57677 0.2021 0.3243 -0.23165 2016 10 17 57678 0.2015 0.3229 -0.23325 2016 10 18 57679 0.2008 0.3215 -0.23476 2016 10 19 57680 0.2001 0.3201 -0.23610 2016 10 20 57681 0.1994 0.3187 -0.23729 2016 10 21 57682 0.1986 0.3173 -0.23846 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).