********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 29 October 2015 Vol. XXVIII No. 044 ______________________________________________________________________ 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 = +0.1 seconds beginning 26 Nov 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 23 57318 0.18244 .00009 0.28144 .00009 0.196540 0.000009 15 10 24 57319 0.18080 .00009 0.28026 .00009 0.194462 0.000008 15 10 25 57320 0.17923 .00009 0.27896 .00009 0.192231 0.000006 15 10 26 57321 0.17816 .00009 0.27775 .00009 0.189940 0.000007 15 10 27 57322 0.17739 .00009 0.27664 .00009 0.187646 0.000006 15 10 28 57323 0.17627 .00009 0.27570 .00009 0.185458 0.000065 15 10 29 57324 0.17456 .00009 0.27496 .00009 0.183440 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 = 0.1020 + 0.0442 cos A - 0.0589 sin A + 0.0316 cos C - 0.0230 sin C y = 0.3511 - 0.0481 cos A - 0.0401 sin A - 0.0230 cos C - 0.0316 sin C UT1-UTC = 0.1347 - 0.00119 (MJD - 57332) - (UT2-UT1) where A = 2*pi*(MJD-57324)/365.25 and C = 2*pi*(MJD-57324)/435. TAI-UTC(MJD 57325) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57324)**0.80 S t = 0.00025 (MJD-57324)**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 30 57325 0.1728 0.2741 0.18159 2015 10 31 57326 0.1709 0.2733 0.17992 2015 11 1 57327 0.1690 0.2724 0.17838 2015 11 2 57328 0.1673 0.2714 0.17693 2015 11 3 57329 0.1657 0.2705 0.17553 2015 11 4 57330 0.1642 0.2696 0.17415 2015 11 5 57331 0.1627 0.2687 0.17274 2015 11 6 57332 0.1611 0.2678 0.17129 2015 11 7 57333 0.1595 0.2670 0.16981 2015 11 8 57334 0.1579 0.2661 0.16829 2015 11 9 57335 0.1563 0.2653 0.16672 2015 11 10 57336 0.1546 0.2645 0.16511 2015 11 11 57337 0.1530 0.2637 0.16352 2015 11 12 57338 0.1514 0.2629 0.16197 2015 11 13 57339 0.1497 0.2621 0.16049 2015 11 14 57340 0.1481 0.2614 0.15907 2015 11 15 57341 0.1465 0.2607 0.15767 2015 11 16 57342 0.1449 0.2600 0.15624 2015 11 17 57343 0.1433 0.2594 0.15474 2015 11 18 57344 0.1416 0.2589 0.15314 2015 11 19 57345 0.1399 0.2583 0.15139 2015 11 20 57346 0.1383 0.2577 0.14949 2015 11 21 57347 0.1366 0.2572 0.14746 2015 11 22 57348 0.1349 0.2567 0.14534 2015 11 23 57349 0.1332 0.2562 0.14324 2015 11 24 57350 0.1315 0.2557 0.14121 2015 11 25 57351 0.1297 0.2553 0.13933 2015 11 26 57352 0.1280 0.2549 0.13760 2015 11 27 57353 0.1263 0.2545 0.13600 2015 11 28 57354 0.1245 0.2542 0.13452 2015 11 29 57355 0.1228 0.2538 0.13307 2015 11 30 57356 0.1210 0.2535 0.13163 2015 12 1 57357 0.1192 0.2532 0.13016 2015 12 2 57358 0.1175 0.2530 0.12866 2015 12 3 57359 0.1157 0.2527 0.12711 2015 12 4 57360 0.1139 0.2525 0.12553 2015 12 5 57361 0.1121 0.2523 0.12393 2015 12 6 57362 0.1104 0.2522 0.12234 2015 12 7 57363 0.1086 0.2520 0.12077 2015 12 8 57364 0.1068 0.2519 0.11923 2015 12 9 57365 0.1050 0.2518 0.11775 2015 12 10 57366 0.1032 0.2518 0.11633 2015 12 11 57367 0.1014 0.2518 0.11496 2015 12 12 57368 0.0997 0.2517 0.11364 2015 12 13 57369 0.0979 0.2518 0.11231 2015 12 14 57370 0.0961 0.2518 0.11093 2015 12 15 57371 0.0943 0.2519 0.10946 2015 12 16 57372 0.0925 0.2520 0.10786 2015 12 17 57373 0.0907 0.2521 0.10612 2015 12 18 57374 0.0890 0.2523 0.10425 2015 12 19 57375 0.0872 0.2525 0.10230 2015 12 20 57376 0.0854 0.2527 0.10033 2015 12 21 57377 0.0837 0.2529 0.09840 2015 12 22 57378 0.0819 0.2532 0.09657 2015 12 23 57379 0.0802 0.2535 0.09488 2015 12 24 57380 0.0784 0.2538 0.09333 2015 12 25 57381 0.0767 0.2541 0.09188 2015 12 26 57382 0.0749 0.2545 0.09050 2015 12 27 57383 0.0732 0.2549 0.08913 2015 12 28 57384 0.0715 0.2553 0.08774 2015 12 29 57385 0.0698 0.2557 0.08631 2015 12 30 57386 0.0681 0.2562 0.08485 2015 12 31 57387 0.0664 0.2567 0.08335 2016 1 1 57388 0.0647 0.2572 0.08183 2016 1 2 57389 0.0631 0.2577 0.08031 2016 1 3 57390 0.0614 0.2583 0.07881 2016 1 4 57391 0.0597 0.2589 0.07735 2016 1 5 57392 0.0581 0.2595 0.07594 2016 1 6 57393 0.0565 0.2602 0.07458 2016 1 7 57394 0.0549 0.2608 0.07327 2016 1 8 57395 0.0533 0.2615 0.07199 2016 1 9 57396 0.0517 0.2622 0.07071 2016 1 10 57397 0.0501 0.2630 0.06939 2016 1 11 57398 0.0486 0.2637 0.06797 2016 1 12 57399 0.0470 0.2645 0.06642 2016 1 13 57400 0.0455 0.2653 0.06471 2016 1 14 57401 0.0440 0.2661 0.06287 2016 1 15 57402 0.0425 0.2670 0.06095 2016 1 16 57403 0.0410 0.2679 0.05902 2016 1 17 57404 0.0395 0.2688 0.05714 2016 1 18 57405 0.0381 0.2697 0.05537 2016 1 19 57406 0.0367 0.2706 0.05375 2016 1 20 57407 0.0352 0.2716 0.05226 2016 1 21 57408 0.0339 0.2726 0.05089 2016 1 22 57409 0.0325 0.2736 0.04959 2016 1 23 57410 0.0311 0.2746 0.04831 2016 1 24 57411 0.0298 0.2757 0.04700 2016 1 25 57412 0.0285 0.2767 0.04565 2016 1 26 57413 0.0272 0.2778 0.04424 2016 1 27 57414 0.0259 0.2789 0.04278 2016 1 28 57415 0.0247 0.2800 0.04129 2016 1 29 57416 0.0234 0.2812 0.03978 2016 1 30 57417 0.0222 0.2823 0.03828 2016 1 31 57418 0.0210 0.2835 0.03681 2016 2 1 57419 0.0199 0.2847 0.03539 2016 2 2 57420 0.0187 0.2859 0.03402 2016 2 3 57421 0.0176 0.2872 0.03271 2016 2 4 57422 0.0165 0.2884 0.03143 2016 2 5 57423 0.0154 0.2897 0.03016 2016 2 6 57424 0.0144 0.2910 0.02886 2016 2 7 57425 0.0134 0.2923 0.02748 2016 2 8 57426 0.0124 0.2936 0.02596 2016 2 9 57427 0.0114 0.2949 0.02427 2016 2 10 57428 0.0104 0.2963 0.02241 2016 2 11 57429 0.0095 0.2976 0.02042 2016 2 12 57430 0.0086 0.2990 0.01839 2016 2 13 57431 0.0077 0.3004 0.01639 2016 2 14 57432 0.0069 0.3018 0.01450 2016 2 15 57433 0.0061 0.3032 0.01270 2016 2 16 57434 0.0053 0.3046 0.01105 2016 2 17 57435 0.0045 0.3061 0.00952 2016 2 18 57436 0.0038 0.3075 0.00807 2016 2 19 57437 0.0031 0.3090 0.00665 2016 2 20 57438 0.0024 0.3105 0.00521 2016 2 21 57439 0.0017 0.3120 0.00371 2016 2 22 57440 0.0011 0.3135 0.00214 2016 2 23 57441 0.0005 0.3150 0.00050 2016 2 24 57442 -0.0001 0.3165 -0.00118 2016 2 25 57443 -0.0006 0.3180 -0.00290 2016 2 26 57444 -0.0011 0.3196 -0.00461 2016 2 27 57445 -0.0016 0.3211 -0.00630 2016 2 28 57446 -0.0021 0.3226 -0.00795 2016 2 29 57447 -0.0025 0.3242 -0.00953 2016 3 1 57448 -0.0029 0.3258 -0.01106 2016 3 2 57449 -0.0033 0.3273 -0.01253 2016 3 3 57450 -0.0036 0.3289 -0.01399 2016 3 4 57451 -0.0040 0.3305 -0.01547 2016 3 5 57452 -0.0042 0.3321 -0.01701 2016 3 6 57453 -0.0045 0.3337 -0.01868 2016 3 7 57454 -0.0047 0.3353 -0.02052 2016 3 8 57455 -0.0049 0.3369 -0.02257 2016 3 9 57456 -0.0051 0.3385 -0.02479 2016 3 10 57457 -0.0052 0.3401 -0.02712 2016 3 11 57458 -0.0053 0.3417 -0.02947 2016 3 12 57459 -0.0054 0.3433 -0.03175 2016 3 13 57460 -0.0055 0.3449 -0.03389 2016 3 14 57461 -0.0055 0.3466 -0.03585 2016 3 15 57462 -0.0055 0.3482 -0.03766 2016 3 16 57463 -0.0054 0.3498 -0.03936 2016 3 17 57464 -0.0054 0.3514 -0.04100 2016 3 18 57465 -0.0053 0.3530 -0.04263 2016 3 19 57466 -0.0051 0.3547 -0.04429 2016 3 20 57467 -0.0050 0.3563 -0.04601 2016 3 21 57468 -0.0048 0.3579 -0.04779 2016 3 22 57469 -0.0046 0.3595 -0.04962 2016 3 23 57470 -0.0043 0.3611 -0.05149 2016 3 24 57471 -0.0041 0.3627 -0.05335 2016 3 25 57472 -0.0038 0.3643 -0.05520 2016 3 26 57473 -0.0034 0.3659 -0.05700 2016 3 27 57474 -0.0031 0.3675 -0.05873 2016 3 28 57475 -0.0027 0.3691 -0.06039 2016 3 29 57476 -0.0022 0.3707 -0.06198 2016 3 30 57477 -0.0018 0.3723 -0.06353 2016 3 31 57478 -0.0013 0.3739 -0.06506 2016 4 1 57479 -0.0008 0.3754 -0.06663 2016 4 2 57480 -0.0003 0.3770 -0.06828 2016 4 3 57481 0.0003 0.3786 -0.07007 2016 4 4 57482 0.0009 0.3801 -0.07204 2016 4 5 57483 0.0015 0.3816 -0.07420 2016 4 6 57484 0.0022 0.3832 -0.07652 2016 4 7 57485 0.0028 0.3847 -0.07891 2016 4 8 57486 0.0035 0.3862 -0.08129 2016 4 9 57487 0.0043 0.3877 -0.08354 2016 4 10 57488 0.0050 0.3892 -0.08562 2016 4 11 57489 0.0058 0.3907 -0.08751 2016 4 12 57490 0.0066 0.3922 -0.08925 2016 4 13 57491 0.0074 0.3936 -0.09090 2016 4 14 57492 0.0083 0.3951 -0.09249 2016 4 15 57493 0.0092 0.3965 -0.09409 2016 4 16 57494 0.0101 0.3979 -0.09571 2016 4 17 57495 0.0110 0.3993 -0.09738 2016 4 18 57496 0.0120 0.4007 -0.09909 2016 4 19 57497 0.0130 0.4021 -0.10082 2016 4 20 57498 0.0140 0.4035 -0.10255 2016 4 21 57499 0.0150 0.4049 -0.10427 2016 4 22 57500 0.0161 0.4062 -0.10594 2016 4 23 57501 0.0172 0.4075 -0.10755 2016 4 24 57502 0.0183 0.4088 -0.10909 2016 4 25 57503 0.0194 0.4101 -0.11056 2016 4 26 57504 0.0206 0.4114 -0.11199 2016 4 27 57505 0.0218 0.4127 -0.11340 2016 4 28 57506 0.0230 0.4139 -0.11484 2016 4 29 57507 0.0242 0.4151 -0.11637 2016 4 30 57508 0.0254 0.4163 -0.11802 2016 5 1 57509 0.0267 0.4175 -0.11987 2016 5 2 57510 0.0280 0.4187 -0.12192 2016 5 3 57511 0.0293 0.4199 -0.12416 2016 5 4 57512 0.0306 0.4210 -0.12656 2016 5 5 57513 0.0319 0.4221 -0.12900 2016 5 6 57514 0.0333 0.4232 -0.13137 2016 5 7 57515 0.0347 0.4243 -0.13357 2016 5 8 57516 0.0361 0.4254 -0.13553 2016 5 9 57517 0.0375 0.4264 -0.13725 2016 5 10 57518 0.0389 0.4274 -0.13878 2016 5 11 57519 0.0404 0.4284 -0.14019 2016 5 12 57520 0.0418 0.4294 -0.14153 2016 5 13 57521 0.0433 0.4303 -0.14286 2016 5 14 57522 0.0448 0.4313 -0.14419 2016 5 15 57523 0.0463 0.4322 -0.14550 2016 5 16 57524 0.0479 0.4331 -0.14677 2016 5 17 57525 0.0494 0.4340 -0.14799 2016 5 18 57526 0.0510 0.4348 -0.14911 2016 5 19 57527 0.0526 0.4356 -0.15012 2016 5 20 57528 0.0542 0.4364 -0.15102 2016 5 21 57529 0.0558 0.4372 -0.15179 2016 5 22 57530 0.0574 0.4380 -0.15244 2016 5 23 57531 0.0590 0.4387 -0.15298 2016 5 24 57532 0.0606 0.4394 -0.15344 2016 5 25 57533 0.0623 0.4401 -0.15384 2016 5 26 57534 0.0639 0.4407 -0.15426 2016 5 27 57535 0.0656 0.4414 -0.15477 2016 5 28 57536 0.0673 0.4420 -0.15542 2016 5 29 57537 0.0690 0.4426 -0.15626 2016 5 30 57538 0.0707 0.4431 -0.15730 2016 5 31 57539 0.0724 0.4437 -0.15851 2016 6 1 57540 0.0741 0.4442 -0.15980 2016 6 2 57541 0.0758 0.4446 -0.16108 2016 6 3 57542 0.0776 0.4451 -0.16221 2016 6 4 57543 0.0793 0.4455 -0.16313 2016 6 5 57544 0.0811 0.4460 -0.16381 2016 6 6 57545 0.0828 0.4463 -0.16427 2016 6 7 57546 0.0846 0.4467 -0.16456 2016 6 8 57547 0.0863 0.4470 -0.16476 2016 6 9 57548 0.0881 0.4473 -0.16490 2016 6 10 57549 0.0898 0.4476 -0.16511 2016 6 11 57550 0.0916 0.4479 -0.16541 2016 6 12 57551 0.0934 0.4481 -0.16580 2016 6 13 57552 0.0952 0.4483 -0.16629 2016 6 14 57553 0.0969 0.4485 -0.16679 2016 6 15 57554 0.0987 0.4486 -0.16730 2016 6 16 57555 0.1005 0.4488 -0.16779 2016 6 17 57556 0.1023 0.4489 -0.16822 2016 6 18 57557 0.1041 0.4489 -0.16859 2016 6 19 57558 0.1058 0.4490 -0.16897 2016 6 20 57559 0.1076 0.4490 -0.16926 2016 6 21 57560 0.1094 0.4490 -0.16950 2016 6 22 57561 0.1112 0.4490 -0.16969 2016 6 23 57562 0.1129 0.4489 -0.16997 2016 6 24 57563 0.1147 0.4488 -0.17034 2016 6 25 57564 0.1165 0.4487 -0.17076 2016 6 26 57565 0.1182 0.4486 -0.17138 2016 6 27 57566 0.1200 0.4484 -0.17208 2016 6 28 57567 0.1217 0.4482 -0.17286 2016 6 29 57568 0.1235 0.4480 -0.17368 2016 6 30 57569 0.1252 0.4478 -0.17448 2016 7 1 57570 0.1269 0.4475 -0.17509 2016 7 2 57571 0.1287 0.4472 -0.17556 2016 7 3 57572 0.1304 0.4469 -0.17587 2016 7 4 57573 0.1321 0.4466 -0.17601 2016 7 5 57574 0.1338 0.4462 -0.17606 2016 7 6 57575 0.1355 0.4458 -0.17602 2016 7 7 57576 0.1372 0.4454 -0.17595 2016 7 8 57577 0.1388 0.4450 -0.17591 2016 7 9 57578 0.1405 0.4445 -0.17588 2016 7 10 57579 0.1422 0.4440 -0.17591 2016 7 11 57580 0.1438 0.4435 -0.17591 2016 7 12 57581 0.1454 0.4429 -0.17590 2016 7 13 57582 0.1471 0.4424 -0.17583 2016 7 14 57583 0.1487 0.4418 -0.17567 2016 7 15 57584 0.1503 0.4412 -0.17543 2016 7 16 57585 0.1518 0.4405 -0.17512 2016 7 17 57586 0.1534 0.4399 -0.17473 2016 7 18 57587 0.1550 0.4392 -0.17431 2016 7 19 57588 0.1565 0.4385 -0.17397 2016 7 20 57589 0.1580 0.4378 -0.17372 2016 7 21 57590 0.1595 0.4370 -0.17358 2016 7 22 57591 0.1610 0.4363 -0.17362 2016 7 23 57592 0.1625 0.4355 -0.17387 2016 7 24 57593 0.1640 0.4347 -0.17431 2016 7 25 57594 0.1654 0.4338 -0.17484 2016 7 26 57595 0.1668 0.4330 -0.17539 2016 7 27 57596 0.1682 0.4321 -0.17594 2016 7 28 57597 0.1696 0.4312 -0.17642 2016 7 29 57598 0.1710 0.4303 -0.17684 2016 7 30 57599 0.1723 0.4293 -0.17710 2016 7 31 57600 0.1737 0.4284 -0.17723 2016 8 1 57601 0.1750 0.4274 -0.17733 2016 8 2 57602 0.1763 0.4264 -0.17749 2016 8 3 57603 0.1776 0.4254 -0.17779 2016 8 4 57604 0.1788 0.4243 -0.17818 2016 8 5 57605 0.1800 0.4233 -0.17858 2016 8 6 57606 0.1813 0.4222 -0.17902 2016 8 7 57607 0.1825 0.4211 -0.17947 2016 8 8 57608 0.1836 0.4200 -0.17993 2016 8 9 57609 0.1848 0.4189 -0.18035 2016 8 10 57610 0.1859 0.4177 -0.18065 2016 8 11 57611 0.1870 0.4166 -0.18087 2016 8 12 57612 0.1881 0.4154 -0.18097 2016 8 13 57613 0.1891 0.4142 -0.18095 2016 8 14 57614 0.1902 0.4130 -0.18087 2016 8 15 57615 0.1912 0.4118 -0.18080 2016 8 16 57616 0.1922 0.4105 -0.18080 2016 8 17 57617 0.1931 0.4093 -0.18089 2016 8 18 57618 0.1941 0.4080 -0.18131 2016 8 19 57619 0.1950 0.4067 -0.18183 2016 8 20 57620 0.1959 0.4054 -0.18261 2016 8 21 57621 0.1967 0.4041 -0.18356 2016 8 22 57622 0.1975 0.4028 -0.18449 2016 8 23 57623 0.1984 0.4014 -0.18550 2016 8 24 57624 0.1991 0.4001 -0.18643 2016 8 25 57625 0.1999 0.3987 -0.18724 2016 8 26 57626 0.2006 0.3974 -0.18797 2016 8 27 57627 0.2013 0.3960 -0.18857 2016 8 28 57628 0.2020 0.3946 -0.18912 2016 8 29 57629 0.2027 0.3932 -0.18965 2016 8 30 57630 0.2033 0.3918 -0.19017 2016 8 31 57631 0.2039 0.3904 -0.19078 2016 9 1 57632 0.2045 0.3889 -0.19152 2016 9 2 57633 0.2050 0.3875 -0.19231 2016 9 3 57634 0.2055 0.3861 -0.19307 2016 9 4 57635 0.2060 0.3846 -0.19375 2016 9 5 57636 0.2065 0.3832 -0.19436 2016 9 6 57637 0.2069 0.3817 -0.19498 2016 9 7 57638 0.2073 0.3802 -0.19551 2016 9 8 57639 0.2077 0.3787 -0.19606 2016 9 9 57640 0.2081 0.3773 -0.19659 2016 9 10 57641 0.2084 0.3758 -0.19708 2016 9 11 57642 0.2087 0.3743 -0.19755 2016 9 12 57643 0.2090 0.3728 -0.19806 2016 9 13 57644 0.2092 0.3713 -0.19871 2016 9 14 57645 0.2094 0.3698 -0.19958 2016 9 15 57646 0.2096 0.3683 -0.20062 2016 9 16 57647 0.2097 0.3667 -0.20181 2016 9 17 57648 0.2099 0.3652 -0.20320 2016 9 18 57649 0.2100 0.3637 -0.20463 2016 9 19 57650 0.2100 0.3622 -0.20609 2016 9 20 57651 0.2101 0.3607 -0.20747 2016 9 21 57652 0.2101 0.3592 -0.20870 2016 9 22 57653 0.2101 0.3576 -0.20983 2016 9 23 57654 0.2100 0.3561 -0.21089 2016 9 24 57655 0.2100 0.3546 -0.21192 2016 9 25 57656 0.2099 0.3531 -0.21294 2016 9 26 57657 0.2098 0.3516 -0.21403 2016 9 27 57658 0.2096 0.3501 -0.21514 2016 9 28 57659 0.2094 0.3485 -0.21631 2016 9 29 57660 0.2092 0.3470 -0.21757 2016 9 30 57661 0.2090 0.3455 -0.21895 2016 10 1 57662 0.2087 0.3440 -0.22035 2016 10 2 57663 0.2084 0.3425 -0.22167 2016 10 3 57664 0.2081 0.3410 -0.22298 2016 10 4 57665 0.2077 0.3395 -0.22418 2016 10 5 57666 0.2074 0.3381 -0.22526 2016 10 6 57667 0.2070 0.3366 -0.22623 2016 10 7 57668 0.2066 0.3351 -0.22718 2016 10 8 57669 0.2061 0.3336 -0.22809 2016 10 9 57670 0.2056 0.3322 -0.22898 2016 10 10 57671 0.2051 0.3307 -0.22986 2016 10 11 57672 0.2046 0.3293 -0.23084 2016 10 12 57673 0.2040 0.3279 -0.23200 2016 10 13 57674 0.2034 0.3264 -0.23333 2016 10 14 57675 0.2028 0.3250 -0.23482 2016 10 15 57676 0.2022 0.3236 -0.23640 2016 10 16 57677 0.2015 0.3222 -0.23804 2016 10 17 57678 0.2008 0.3208 -0.23970 2016 10 18 57679 0.2001 0.3194 -0.24129 2016 10 19 57680 0.1994 0.3181 -0.24274 2016 10 20 57681 0.1986 0.3167 -0.24401 2016 10 21 57682 0.1979 0.3154 -0.24515 2016 10 22 57683 0.1971 0.3140 -0.24621 2016 10 23 57684 0.1962 0.3127 -0.24732 2016 10 24 57685 0.1954 0.3114 -0.24847 2016 10 25 57686 0.1945 0.3101 -0.24966 2016 10 26 57687 0.1936 0.3088 -0.25086 2016 10 27 57688 0.1927 0.3075 -0.25204 2016 10 28 57689 0.1917 0.3063 -0.25326 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) 57295 -99.71 0.30 -12.73 0.15 57296 -100.06 0.30 -12.48 0.15 57297 -100.46 0.30 -12.23 0.15 57298 -100.48 0.30 -12.23 0.15 57299 -99.99 0.30 -12.56 0.15 57300 -99.37 0.30 -12.97 0.15 57301 -99.02 0.30 -13.17 0.15 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 57295 -0.051 0.119 -0.209 0.150 57296 -0.046 0.119 -0.244 0.150 57297 -0.026 0.119 -0.243 0.150 57298 -0.016 0.119 -0.178 0.150 57299 -0.005 0.119 -0.127 0.150 57300 0.018 0.119 -0.117 0.150 57301 0.051 0.119 -0.102 0.150 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).