********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 31 December 2015 Vol. XXVIII No. 053 ______________________________________________________________________ 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 = +0.1 seconds beginning 26 Nov 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 12 25 57381 0.06655 .00009 0.25286 .00009 0.092892 0.000013 15 12 26 57382 0.06412 .00009 0.25335 .00009 0.091455 0.000014 15 12 27 57383 0.06193 .00009 0.25379 .00009 0.090057 0.000011 15 12 28 57384 0.05977 .00009 0.25434 .00009 0.088577 0.000007 15 12 29 57385 0.05761 .00009 0.25496 .00009 0.086983 0.000007 15 12 30 57386 0.05550 .00009 0.25562 .00009 0.085272 0.000007 15 12 31 57387 0.05341 .00009 0.25619 .00009 0.083475 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 = 0.0955 - 0.0286 cos A - 0.0741 sin A - 0.0061 cos C - 0.0347 sin C y = 0.3534 - 0.0653 cos A + 0.0195 sin A - 0.0347 cos C + 0.0061 sin C UT1-UTC = 0.0449 - 0.00129 (MJD - 57395) - (UT2-UT1) where A = 2*pi*(MJD-57387)/365.25 and C = 2*pi*(MJD-57387)/435. TAI-UTC(MJD 57388) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57387)**0.80 S t = 0.00025 (MJD-57387)**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) 2016 1 1 57388 0.0514 0.2568 0.08155 2016 1 2 57389 0.0493 0.2573 0.07957 2016 1 3 57390 0.0474 0.2578 0.07762 2016 1 4 57391 0.0456 0.2584 0.07572 2016 1 5 57392 0.0439 0.2591 0.07390 2016 1 6 57393 0.0422 0.2598 0.07214 2016 1 7 57394 0.0405 0.2607 0.07045 2016 1 8 57395 0.0387 0.2615 0.06879 2016 1 9 57396 0.0371 0.2623 0.06714 2016 1 10 57397 0.0354 0.2632 0.06543 2016 1 11 57398 0.0338 0.2642 0.06362 2016 1 12 57399 0.0322 0.2652 0.06167 2016 1 13 57400 0.0307 0.2662 0.05961 2016 1 14 57401 0.0291 0.2672 0.05749 2016 1 15 57402 0.0276 0.2682 0.05534 2016 1 16 57403 0.0261 0.2693 0.05322 2016 1 17 57404 0.0246 0.2704 0.05118 2016 1 18 57405 0.0231 0.2716 0.04925 2016 1 19 57406 0.0216 0.2727 0.04748 2016 1 20 57407 0.0202 0.2739 0.04587 2016 1 21 57408 0.0188 0.2751 0.04439 2016 1 22 57409 0.0174 0.2763 0.04297 2016 1 23 57410 0.0160 0.2775 0.04155 2016 1 24 57411 0.0146 0.2788 0.04010 2016 1 25 57412 0.0133 0.2800 0.03860 2016 1 26 57413 0.0120 0.2813 0.03704 2016 1 27 57414 0.0107 0.2826 0.03544 2016 1 28 57415 0.0095 0.2839 0.03380 2016 1 29 57416 0.0083 0.2853 0.03217 2016 1 30 57417 0.0071 0.2866 0.03058 2016 1 31 57418 0.0059 0.2880 0.02904 2016 2 1 57419 0.0048 0.2894 0.02759 2016 2 2 57420 0.0036 0.2908 0.02622 2016 2 3 57421 0.0026 0.2922 0.02491 2016 2 4 57422 0.0015 0.2937 0.02365 2016 2 5 57423 0.0005 0.2951 0.02239 2016 2 6 57424 -0.0006 0.2966 0.02110 2016 2 7 57425 -0.0015 0.2981 0.01973 2016 2 8 57426 -0.0025 0.2996 0.01821 2016 2 9 57427 -0.0034 0.3012 0.01653 2016 2 10 57428 -0.0043 0.3027 0.01468 2016 2 11 57429 -0.0052 0.3042 0.01271 2016 2 12 57430 -0.0060 0.3058 0.01067 2016 2 13 57431 -0.0068 0.3074 0.00867 2016 2 14 57432 -0.0076 0.3090 0.00676 2016 2 15 57433 -0.0084 0.3106 0.00498 2016 2 16 57434 -0.0091 0.3122 0.00335 2016 2 17 57435 -0.0098 0.3138 0.00184 2016 2 18 57436 -0.0105 0.3155 0.00040 2016 2 19 57437 -0.0111 0.3171 -0.00102 2016 2 20 57438 -0.0117 0.3188 -0.00245 2016 2 21 57439 -0.0123 0.3204 -0.00395 2016 2 22 57440 -0.0128 0.3221 -0.00551 2016 2 23 57441 -0.0133 0.3238 -0.00715 2016 2 24 57442 -0.0138 0.3255 -0.00883 2016 2 25 57443 -0.0143 0.3272 -0.01054 2016 2 26 57444 -0.0147 0.3289 -0.01225 2016 2 27 57445 -0.0151 0.3306 -0.01394 2016 2 28 57446 -0.0154 0.3324 -0.01558 2016 2 29 57447 -0.0158 0.3341 -0.01718 2016 3 1 57448 -0.0160 0.3358 -0.01871 2016 3 2 57449 -0.0163 0.3376 -0.02021 2016 3 3 57450 -0.0165 0.3393 -0.02169 2016 3 4 57451 -0.0167 0.3411 -0.02320 2016 3 5 57452 -0.0169 0.3428 -0.02479 2016 3 6 57453 -0.0170 0.3446 -0.02650 2016 3 7 57454 -0.0171 0.3463 -0.02839 2016 3 8 57455 -0.0172 0.3481 -0.03049 2016 3 9 57456 -0.0172 0.3498 -0.03276 2016 3 10 57457 -0.0173 0.3516 -0.03516 2016 3 11 57458 -0.0172 0.3534 -0.03759 2016 3 12 57459 -0.0172 0.3551 -0.03995 2016 3 13 57460 -0.0171 0.3569 -0.04218 2016 3 14 57461 -0.0170 0.3587 -0.04424 2016 3 15 57462 -0.0168 0.3604 -0.04615 2016 3 16 57463 -0.0166 0.3622 -0.04795 2016 3 17 57464 -0.0164 0.3640 -0.04970 2016 3 18 57465 -0.0161 0.3657 -0.05145 2016 3 19 57466 -0.0159 0.3675 -0.05323 2016 3 20 57467 -0.0156 0.3692 -0.05506 2016 3 21 57468 -0.0152 0.3710 -0.05696 2016 3 22 57469 -0.0148 0.3727 -0.05892 2016 3 23 57470 -0.0144 0.3744 -0.06091 2016 3 24 57471 -0.0140 0.3762 -0.06291 2016 3 25 57472 -0.0135 0.3779 -0.06489 2016 3 26 57473 -0.0130 0.3796 -0.06683 2016 3 27 57474 -0.0125 0.3813 -0.06871 2016 3 28 57475 -0.0119 0.3830 -0.07052 2016 3 29 57476 -0.0113 0.3847 -0.07227 2016 3 30 57477 -0.0107 0.3864 -0.07398 2016 3 31 57478 -0.0100 0.3881 -0.07567 2016 4 1 57479 -0.0093 0.3898 -0.07740 2016 4 2 57480 -0.0086 0.3914 -0.07922 2016 4 3 57481 -0.0079 0.3931 -0.08118 2016 4 4 57482 -0.0071 0.3947 -0.08332 2016 4 5 57483 -0.0063 0.3964 -0.08565 2016 4 6 57484 -0.0055 0.3980 -0.08814 2016 4 7 57485 -0.0046 0.3996 -0.09072 2016 4 8 57486 -0.0037 0.4012 -0.09328 2016 4 9 57487 -0.0028 0.4028 -0.09573 2016 4 10 57488 -0.0018 0.4044 -0.09802 2016 4 11 57489 -0.0009 0.4059 -0.10013 2016 4 12 57490 0.0001 0.4075 -0.10208 2016 4 13 57491 0.0012 0.4090 -0.10395 2016 4 14 57492 0.0022 0.4105 -0.10576 2016 4 15 57493 0.0033 0.4120 -0.10759 2016 4 16 57494 0.0044 0.4135 -0.10944 2016 4 17 57495 0.0056 0.4150 -0.11132 2016 4 18 57496 0.0067 0.4164 -0.11324 2016 4 19 57497 0.0079 0.4179 -0.11517 2016 4 20 57498 0.0091 0.4193 -0.11709 2016 4 21 57499 0.0104 0.4207 -0.11899 2016 4 22 57500 0.0116 0.4221 -0.12082 2016 4 23 57501 0.0129 0.4234 -0.12259 2016 4 24 57502 0.0142 0.4248 -0.12426 2016 4 25 57503 0.0156 0.4261 -0.12584 2016 4 26 57504 0.0169 0.4274 -0.12736 2016 4 27 57505 0.0183 0.4287 -0.12882 2016 4 28 57506 0.0197 0.4300 -0.13028 2016 4 29 57507 0.0212 0.4312 -0.13179 2016 4 30 57508 0.0226 0.4325 -0.13339 2016 5 1 57509 0.0241 0.4337 -0.13514 2016 5 2 57510 0.0256 0.4349 -0.13705 2016 5 3 57511 0.0271 0.4360 -0.13911 2016 5 4 57512 0.0286 0.4372 -0.14129 2016 5 5 57513 0.0302 0.4383 -0.14351 2016 5 6 57514 0.0317 0.4394 -0.14565 2016 5 7 57515 0.0333 0.4405 -0.14766 2016 5 8 57516 0.0349 0.4415 -0.14948 2016 5 9 57517 0.0366 0.4426 -0.15112 2016 5 10 57518 0.0382 0.4436 -0.15263 2016 5 11 57519 0.0399 0.4446 -0.15406 2016 5 12 57520 0.0416 0.4455 -0.15547 2016 5 13 57521 0.0432 0.4464 -0.15688 2016 5 14 57522 0.0450 0.4474 -0.15831 2016 5 15 57523 0.0467 0.4482 -0.15976 2016 5 16 57524 0.0484 0.4491 -0.16122 2016 5 17 57525 0.0502 0.4499 -0.16267 2016 5 18 57526 0.0519 0.4507 -0.16409 2016 5 19 57527 0.0537 0.4515 -0.16544 2016 5 20 57528 0.0555 0.4523 -0.16672 2016 5 21 57529 0.0573 0.4530 -0.16791 2016 5 22 57530 0.0591 0.4537 -0.16901 2016 5 23 57531 0.0610 0.4544 -0.17002 2016 5 24 57532 0.0628 0.4550 -0.17097 2016 5 25 57533 0.0647 0.4557 -0.17189 2016 5 26 57534 0.0665 0.4563 -0.17284 2016 5 27 57535 0.0684 0.4568 -0.17385 2016 5 28 57536 0.0703 0.4574 -0.17498 2016 5 29 57537 0.0722 0.4579 -0.17624 2016 5 30 57538 0.0741 0.4584 -0.17763 2016 5 31 57539 0.0760 0.4588 -0.17915 2016 6 1 57540 0.0779 0.4593 -0.18072 2016 6 2 57541 0.0798 0.4597 -0.18228 2016 6 3 57542 0.0817 0.4600 -0.18374 2016 6 4 57543 0.0836 0.4604 -0.18506 2016 6 5 57544 0.0856 0.4607 -0.18620 2016 6 6 57545 0.0875 0.4610 -0.18720 2016 6 7 57546 0.0894 0.4613 -0.18811 2016 6 8 57547 0.0914 0.4615 -0.18898 2016 6 9 57548 0.0933 0.4617 -0.18985 2016 6 10 57549 0.0953 0.4619 -0.19074 2016 6 11 57550 0.0972 0.4620 -0.19166 2016 6 12 57551 0.0991 0.4621 -0.19259 2016 6 13 57552 0.1011 0.4622 -0.19351 2016 6 14 57553 0.1030 0.4623 -0.19441 2016 6 15 57554 0.1050 0.4623 -0.19524 2016 6 16 57555 0.1069 0.4623 -0.19601 2016 6 17 57556 0.1089 0.4623 -0.19669 2016 6 18 57557 0.1108 0.4623 -0.19728 2016 6 19 57558 0.1128 0.4622 -0.19778 2016 6 20 57559 0.1147 0.4621 -0.19822 2016 6 21 57560 0.1166 0.4619 -0.19864 2016 6 22 57561 0.1186 0.4618 -0.19907 2016 6 23 57562 0.1205 0.4616 -0.19957 2016 6 24 57563 0.1224 0.4613 -0.20018 2016 6 25 57564 0.1243 0.4611 -0.20092 2016 6 26 57565 0.1262 0.4608 -0.20181 2016 6 27 57566 0.1281 0.4605 -0.20282 2016 6 28 57567 0.1300 0.4602 -0.20392 2016 6 29 57568 0.1319 0.4598 -0.20504 2016 6 30 57569 0.1338 0.4594 -0.20612 2016 7 1 57570 0.1356 0.4590 -0.20712 2016 7 2 57571 0.1375 0.4585 -0.20802 2016 7 3 57572 0.1393 0.4581 -0.20883 2016 7 4 57573 0.1412 0.4576 -0.20959 2016 7 5 57574 0.1430 0.4570 -0.21037 2016 7 6 57575 0.1448 0.4565 -0.21120 2016 7 7 57576 0.1466 0.4559 -0.21213 2016 7 8 57577 0.1484 0.4553 -0.21312 2016 7 9 57578 0.1502 0.4546 -0.21417 2016 7 10 57579 0.1519 0.4540 -0.21521 2016 7 11 57580 0.1537 0.4533 -0.21623 2016 7 12 57581 0.1554 0.4526 -0.21717 2016 7 13 57582 0.1571 0.4518 -0.21803 2016 7 14 57583 0.1589 0.4511 -0.21880 2016 7 15 57584 0.1605 0.4503 -0.21947 2016 7 16 57585 0.1622 0.4494 -0.22006 2016 7 17 57586 0.1639 0.4486 -0.22060 2016 7 18 57587 0.1655 0.4477 -0.22111 2016 7 19 57588 0.1671 0.4468 -0.22164 2016 7 20 57589 0.1687 0.4459 -0.22222 2016 7 21 57590 0.1703 0.4450 -0.22290 2016 7 22 57591 0.1719 0.4440 -0.22370 2016 7 23 57592 0.1734 0.4430 -0.22461 2016 7 24 57593 0.1750 0.4420 -0.22561 2016 7 25 57594 0.1765 0.4410 -0.22663 2016 7 26 57595 0.1780 0.4399 -0.22763 2016 7 27 57596 0.1794 0.4389 -0.22851 2016 7 28 57597 0.1809 0.4378 -0.22923 2016 7 29 57598 0.1823 0.4367 -0.22976 2016 7 30 57599 0.1837 0.4355 -0.23009 2016 7 31 57600 0.1851 0.4344 -0.23027 2016 8 1 57601 0.1864 0.4332 -0.23036 2016 8 2 57602 0.1878 0.4320 -0.23042 2016 8 3 57603 0.1891 0.4307 -0.23053 2016 8 4 57604 0.1904 0.4295 -0.23072 2016 8 5 57605 0.1916 0.4282 -0.23099 2016 8 6 57606 0.1929 0.4270 -0.23132 2016 8 7 57607 0.1941 0.4257 -0.23169 2016 8 8 57608 0.1953 0.4244 -0.23209 2016 8 9 57609 0.1964 0.4230 -0.23254 2016 8 10 57610 0.1976 0.4217 -0.23296 2016 8 11 57611 0.1987 0.4203 -0.23330 2016 8 12 57612 0.1998 0.4189 -0.23356 2016 8 13 57613 0.2008 0.4175 -0.23375 2016 8 14 57614 0.2018 0.4161 -0.23394 2016 8 15 57615 0.2029 0.4147 -0.23408 2016 8 16 57616 0.2038 0.4132 -0.23430 2016 8 17 57617 0.2048 0.4118 -0.23462 2016 8 18 57618 0.2057 0.4103 -0.23514 2016 8 19 57619 0.2066 0.4088 -0.23583 2016 8 20 57620 0.2075 0.4073 -0.23676 2016 8 21 57621 0.2083 0.4058 -0.23777 2016 8 22 57622 0.2091 0.4042 -0.23889 2016 8 23 57623 0.2099 0.4027 -0.23995 2016 8 24 57624 0.2106 0.4012 -0.24097 2016 8 25 57625 0.2114 0.3996 -0.24192 2016 8 26 57626 0.2121 0.3980 -0.24283 2016 8 27 57627 0.2127 0.3964 -0.24366 2016 8 28 57628 0.2134 0.3948 -0.24451 2016 8 29 57629 0.2140 0.3932 -0.24537 2016 8 30 57630 0.2145 0.3916 -0.24625 2016 8 31 57631 0.2151 0.3900 -0.24719 2016 9 1 57632 0.2156 0.3884 -0.24822 2016 9 2 57633 0.2161 0.3867 -0.24927 2016 9 3 57634 0.2165 0.3851 -0.25034 2016 9 4 57635 0.2169 0.3834 -0.25141 2016 9 5 57636 0.2173 0.3818 -0.25245 2016 9 6 57637 0.2177 0.3801 -0.25340 2016 9 7 57638 0.2180 0.3785 -0.25421 2016 9 8 57639 0.2183 0.3768 -0.25493 2016 9 9 57640 0.2186 0.3751 -0.25553 2016 9 10 57641 0.2188 0.3734 -0.25609 2016 9 11 57642 0.2190 0.3717 -0.25657 2016 9 12 57643 0.2192 0.3701 -0.25705 2016 9 13 57644 0.2193 0.3684 -0.25765 2016 9 14 57645 0.2195 0.3667 -0.25841 2016 9 15 57646 0.2195 0.3650 -0.25936 2016 9 16 57647 0.2196 0.3633 -0.26058 2016 9 17 57648 0.2196 0.3616 -0.26200 2016 9 18 57649 0.2196 0.3599 -0.26349 2016 9 19 57650 0.2195 0.3582 -0.26502 2016 9 20 57651 0.2195 0.3565 -0.26645 2016 9 21 57652 0.2194 0.3548 -0.26771 2016 9 22 57653 0.2192 0.3531 -0.26882 2016 9 23 57654 0.2191 0.3514 -0.26968 2016 9 24 57655 0.2189 0.3497 -0.27040 2016 9 25 57656 0.2186 0.3480 -0.27108 2016 9 26 57657 0.2184 0.3464 -0.27174 2016 9 27 57658 0.2181 0.3447 -0.27251 2016 9 28 57659 0.2178 0.3430 -0.27336 2016 9 29 57660 0.2174 0.3413 -0.27437 2016 9 30 57661 0.2170 0.3397 -0.27542 2016 10 1 57662 0.2166 0.3380 -0.27660 2016 10 2 57663 0.2162 0.3364 -0.27782 2016 10 3 57664 0.2157 0.3347 -0.27901 2016 10 4 57665 0.2152 0.3331 -0.28021 2016 10 5 57666 0.2147 0.3314 -0.28138 2016 10 6 57667 0.2141 0.3298 -0.28245 2016 10 7 57668 0.2135 0.3282 -0.28339 2016 10 8 57669 0.2129 0.3266 -0.28423 2016 10 9 57670 0.2123 0.3250 -0.28506 2016 10 10 57671 0.2116 0.3234 -0.28586 2016 10 11 57672 0.2109 0.3218 -0.28672 2016 10 12 57673 0.2102 0.3203 -0.28769 2016 10 13 57674 0.2094 0.3187 -0.28878 2016 10 14 57675 0.2086 0.3172 -0.29012 2016 10 15 57676 0.2078 0.3156 -0.29167 2016 10 16 57677 0.2070 0.3141 -0.29337 2016 10 17 57678 0.2061 0.3126 -0.29514 2016 10 18 57679 0.2052 0.3111 -0.29683 2016 10 19 57680 0.2043 0.3096 -0.29840 2016 10 20 57681 0.2034 0.3082 -0.29989 2016 10 21 57682 0.2024 0.3067 -0.30130 2016 10 22 57683 0.2014 0.3053 -0.30267 2016 10 23 57684 0.2004 0.3038 -0.30413 2016 10 24 57685 0.1993 0.3024 -0.30561 2016 10 25 57686 0.1983 0.3010 -0.30712 2016 10 26 57687 0.1972 0.2997 -0.30862 2016 10 27 57688 0.1960 0.2983 -0.31019 2016 10 28 57689 0.1949 0.2970 -0.31175 2016 10 29 57690 0.1937 0.2956 -0.31323 2016 10 30 57691 0.1925 0.2943 -0.31471 2016 10 31 57692 0.1913 0.2930 -0.31609 2016 11 1 57693 0.1901 0.2917 -0.31741 2016 11 2 57694 0.1889 0.2905 -0.31868 2016 11 3 57695 0.1876 0.2893 -0.31991 2016 11 4 57696 0.1863 0.2880 -0.32103 2016 11 5 57697 0.1850 0.2868 -0.32214 2016 11 6 57698 0.1836 0.2857 -0.32325 2016 11 7 57699 0.1823 0.2845 -0.32437 2016 11 8 57700 0.1809 0.2834 -0.32556 2016 11 9 57701 0.1795 0.2823 -0.32681 2016 11 10 57702 0.1781 0.2812 -0.32816 2016 11 11 57703 0.1767 0.2801 -0.32966 2016 11 12 57704 0.1752 0.2790 -0.33124 2016 11 13 57705 0.1738 0.2780 -0.33289 2016 11 14 57706 0.1723 0.2770 -0.33445 2016 11 15 57707 0.1708 0.2760 -0.33590 2016 11 16 57708 0.1693 0.2750 -0.33719 2016 11 17 57709 0.1677 0.2741 -0.33831 2016 11 18 57710 0.1662 0.2732 -0.33935 2016 11 19 57711 0.1646 0.2723 -0.34034 2016 11 20 57712 0.1631 0.2714 -0.34133 2016 11 21 57713 0.1615 0.2706 -0.34236 2016 11 22 57714 0.1599 0.2697 -0.34349 2016 11 23 57715 0.1583 0.2689 -0.34466 2016 11 24 57716 0.1566 0.2682 -0.34583 2016 11 25 57717 0.1550 0.2674 -0.34701 2016 11 26 57718 0.1534 0.2667 -0.34819 2016 11 27 57719 0.1517 0.2660 -0.34936 2016 11 28 57720 0.1500 0.2653 -0.35045 2016 11 29 57721 0.1484 0.2646 -0.35145 2016 11 30 57722 0.1467 0.2640 -0.35242 2016 12 1 57723 0.1450 0.2634 -0.35334 2016 12 2 57724 0.1433 0.2628 -0.35429 2016 12 3 57725 0.1415 0.2623 -0.35522 2016 12 4 57726 0.1398 0.2618 -0.35616 2016 12 5 57727 0.1381 0.2613 -0.35718 2016 12 6 57728 0.1364 0.2608 -0.35839 2016 12 7 57729 0.1346 0.2603 -0.35982 2016 12 8 57730 0.1329 0.2599 -0.36142 2016 12 9 57731 0.1311 0.2595 -0.36308 2016 12 10 57732 0.1294 0.2592 -0.36480 2016 12 11 57733 0.1276 0.2588 -0.36649 2016 12 12 57734 0.1259 0.2585 -0.36811 2016 12 13 57735 0.1241 0.2582 -0.36959 2016 12 14 57736 0.1223 0.2580 -0.37087 2016 12 15 57737 0.1205 0.2577 -0.37204 2016 12 16 57738 0.1188 0.2575 -0.37310 2016 12 17 57739 0.1170 0.2573 -0.37410 2016 12 18 57740 0.1152 0.2572 -0.37509 2016 12 19 57741 0.1135 0.2570 -0.37612 2016 12 20 57742 0.1117 0.2569 -0.37718 2016 12 21 57743 0.1099 0.2569 -0.37822 2016 12 22 57744 0.1081 0.2568 -0.37940 2016 12 23 57745 0.1064 0.2568 -0.38046 2016 12 24 57746 0.1046 0.2568 -0.38153 2016 12 25 57747 0.1029 0.2568 -0.38255 2016 12 26 57748 0.1011 0.2569 -0.38345 2016 12 27 57749 0.0993 0.2570 -0.38432 2016 12 28 57750 0.0976 0.2571 -0.38516 2016 12 29 57751 0.0958 0.2572 -0.38597 2016 12 30 57752 0.0941 0.2574 -0.38683 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) 57351 -95.31 0.27 -10.50 0.07 57352 -95.31 0.27 -10.58 0.07 57353 -95.31 0.27 -10.41 0.07 57354 -95.22 0.30 -10.18 0.15 57355 -94.92 0.13 -10.15 0.01 57356 -94.55 0.13 -10.36 0.01 57357 -94.30 0.12 -10.59 0.01 57358 -94.23 0.12 -10.65 0.01 57359 -94.19 0.12 -10.50 0.01 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 57351 -0.084 0.107 -0.297 0.070 57352 -0.082 0.107 -0.285 0.070 57353 -0.073 0.107 -0.272 0.070 57354 -0.070 0.119 -0.241 0.150 57355 -0.060 0.052 -0.205 0.010 57356 -0.054 0.052 -0.180 0.010 57357 -0.051 0.048 -0.144 0.010 57358 -0.063 0.048 -0.103 0.010 57359 -0.076 0.048 -0.051 0.010 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).