********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 4 February 2016 Vol. XXIX No. 005 ______________________________________________________________________ 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 = +0.0 seconds beginning 31 Jan 2016 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 16 1 29 57416 0.00231 .00009 0.29419 .00009 0.030415 0.000024 16 1 30 57417 0.00075 .00009 0.29574 .00009 0.028929 0.000031 16 1 31 57418 -.00124 .00009 0.29757 .00009 0.027572 0.000026 16 2 1 57419 -.00317 .00009 0.29949 .00009 0.026251 0.000023 16 2 2 57420 -.00465 .00009 0.30121 .00009 0.024937 0.000023 16 2 3 57421 -.00566 .00009 0.30273 .00009 0.023693 0.000065 16 2 4 57422 -.00643 .00009 0.30447 .00009 0.022491 0.000055 IERS Final Values MJD x y UT1-UTC " " s 15 12 2 57358 0.1106 0.2536 0.13096 15 12 3 57359 0.1088 0.2532 0.12929 15 12 4 57360 0.1072 0.2533 0.12762 15 12 5 57361 0.1060 0.2531 0.12593 15 12 6 57362 0.1050 0.2529 0.12427 15 12 7 57363 0.1036 0.2527 0.12262 15 12 8 57364 0.1024 0.2522 0.12096 15 12 9 57365 0.1012 0.2516 0.11931 15 12 10 57366 0.0992 0.2512 0.11773 15 12 11 57367 0.0965 0.2507 0.11622 15 12 12 57368 0.0939 0.2505 0.11478 15 12 13 57369 0.0915 0.2505 0.11336 15 12 14 57370 0.0894 0.2506 0.11197 15 12 15 57371 0.0871 0.2507 0.11052 15 12 16 57372 0.0850 0.2504 0.10892 15 12 17 57373 0.0835 0.2499 0.10722 15 12 18 57374 0.0821 0.2501 0.10541 15 12 19 57375 0.0802 0.2507 0.10351 15 12 20 57376 0.0781 0.2512 0.10151 15 12 21 57377 0.0758 0.2514 0.09950 15 12 22 57378 0.0734 0.2515 0.09762 15 12 23 57379 0.0713 0.2516 0.09588 15 12 24 57380 0.0691 0.2521 0.09429 15 12 25 57381 0.0665 0.2530 0.09281 15 12 26 57382 0.0640 0.2534 0.09145 15 12 27 57383 0.0619 0.2538 0.09009 15 12 28 57384 0.0597 0.2544 0.08859 15 12 29 57385 0.0576 0.2549 0.08697 15 12 30 57386 0.0554 0.2557 0.08527 15 12 31 57387 0.0534 0.2561 0.08345 16 1 1 57388 0.0512 0.2567 0.08153 _______________________________________________________________________ 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 = 0.0883 - 0.0780 cos A - 0.0557 sin A - 0.0180 cos C - 0.0123 sin C y = 0.3634 - 0.0510 cos A + 0.0641 sin A - 0.0123 cos C + 0.0180 sin C UT1-UTC = -0.0100 - 0.00134 (MJD - 57430) - (UT2-UT1) where A = 2*pi*(MJD-57422)/365.25 and C = 2*pi*(MJD-57422)/435. TAI-UTC(MJD 57423) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57422)**0.80 S t = 0.00025 (MJD-57422)**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 2 5 57423 -0.0072 0.3062 0.02130 2016 2 6 57424 -0.0080 0.3081 0.02005 2016 2 7 57425 -0.0088 0.3099 0.01866 2016 2 8 57426 -0.0097 0.3117 0.01710 2016 2 9 57427 -0.0106 0.3136 0.01535 2016 2 10 57428 -0.0116 0.3154 0.01343 2016 2 11 57429 -0.0124 0.3171 0.01141 2016 2 12 57430 -0.0132 0.3188 0.00935 2016 2 13 57431 -0.0140 0.3205 0.00731 2016 2 14 57432 -0.0147 0.3222 0.00534 2016 2 15 57433 -0.0153 0.3239 0.00351 2016 2 16 57434 -0.0159 0.3257 0.00185 2016 2 17 57435 -0.0165 0.3275 0.00033 2016 2 18 57436 -0.0170 0.3293 -0.00111 2016 2 19 57437 -0.0175 0.3311 -0.00251 2016 2 20 57438 -0.0180 0.3328 -0.00396 2016 2 21 57439 -0.0184 0.3346 -0.00550 2016 2 22 57440 -0.0188 0.3363 -0.00717 2016 2 23 57441 -0.0192 0.3381 -0.00894 2016 2 24 57442 -0.0195 0.3398 -0.01080 2016 2 25 57443 -0.0197 0.3416 -0.01272 2016 2 26 57444 -0.0200 0.3434 -0.01466 2016 2 27 57445 -0.0202 0.3452 -0.01662 2016 2 28 57446 -0.0204 0.3470 -0.01855 2016 2 29 57447 -0.0205 0.3488 -0.02047 2016 3 1 57448 -0.0207 0.3506 -0.02236 2016 3 2 57449 -0.0207 0.3524 -0.02425 2016 3 3 57450 -0.0208 0.3542 -0.02614 2016 3 4 57451 -0.0208 0.3560 -0.02807 2016 3 5 57452 -0.0208 0.3578 -0.03007 2016 3 6 57453 -0.0208 0.3596 -0.03220 2016 3 7 57454 -0.0207 0.3614 -0.03449 2016 3 8 57455 -0.0206 0.3632 -0.03696 2016 3 9 57456 -0.0204 0.3650 -0.03959 2016 3 10 57457 -0.0203 0.3668 -0.04232 2016 3 11 57458 -0.0201 0.3686 -0.04506 2016 3 12 57459 -0.0198 0.3703 -0.04771 2016 3 13 57460 -0.0196 0.3721 -0.05020 2016 3 14 57461 -0.0193 0.3739 -0.05251 2016 3 15 57462 -0.0189 0.3757 -0.05465 2016 3 16 57463 -0.0186 0.3775 -0.05669 2016 3 17 57464 -0.0182 0.3792 -0.05866 2016 3 18 57465 -0.0177 0.3810 -0.06062 2016 3 19 57466 -0.0173 0.3828 -0.06260 2016 3 20 57467 -0.0168 0.3845 -0.06463 2016 3 21 57468 -0.0163 0.3863 -0.06671 2016 3 22 57469 -0.0157 0.3880 -0.06882 2016 3 23 57470 -0.0151 0.3897 -0.07095 2016 3 24 57471 -0.0145 0.3914 -0.07306 2016 3 25 57472 -0.0138 0.3932 -0.07512 2016 3 26 57473 -0.0132 0.3949 -0.07712 2016 3 27 57474 -0.0124 0.3966 -0.07905 2016 3 28 57475 -0.0117 0.3982 -0.08090 2016 3 29 57476 -0.0109 0.3999 -0.08268 2016 3 30 57477 -0.0101 0.4016 -0.08440 2016 3 31 57478 -0.0093 0.4032 -0.08611 2016 4 1 57479 -0.0084 0.4049 -0.08785 2016 4 2 57480 -0.0075 0.4065 -0.08966 2016 4 3 57481 -0.0066 0.4081 -0.09161 2016 4 4 57482 -0.0056 0.4097 -0.09373 2016 4 5 57483 -0.0047 0.4113 -0.09604 2016 4 6 57484 -0.0036 0.4129 -0.09851 2016 4 7 57485 -0.0026 0.4144 -0.10106 2016 4 8 57486 -0.0015 0.4160 -0.10359 2016 4 9 57487 -0.0004 0.4175 -0.10600 2016 4 10 57488 0.0007 0.4190 -0.10823 2016 4 11 57489 0.0018 0.4205 -0.11029 2016 4 12 57490 0.0030 0.4220 -0.11218 2016 4 13 57491 0.0042 0.4234 -0.11398 2016 4 14 57492 0.0055 0.4249 -0.11574 2016 4 15 57493 0.0067 0.4263 -0.11749 2016 4 16 57494 0.0080 0.4277 -0.11926 2016 4 17 57495 0.0093 0.4291 -0.12108 2016 4 18 57496 0.0107 0.4305 -0.12292 2016 4 19 57497 0.0120 0.4318 -0.12478 2016 4 20 57498 0.0134 0.4332 -0.12664 2016 4 21 57499 0.0148 0.4345 -0.12847 2016 4 22 57500 0.0162 0.4358 -0.13025 2016 4 23 57501 0.0177 0.4370 -0.13196 2016 4 24 57502 0.0192 0.4383 -0.13359 2016 4 25 57503 0.0207 0.4395 -0.13514 2016 4 26 57504 0.0222 0.4407 -0.13662 2016 4 27 57505 0.0237 0.4419 -0.13805 2016 4 28 57506 0.0253 0.4431 -0.13949 2016 4 29 57507 0.0269 0.4442 -0.14098 2016 4 30 57508 0.0285 0.4453 -0.14257 2016 5 1 57509 0.0301 0.4464 -0.14430 2016 5 2 57510 0.0318 0.4475 -0.14620 2016 5 3 57511 0.0334 0.4485 -0.14827 2016 5 4 57512 0.0351 0.4495 -0.15046 2016 5 5 57513 0.0368 0.4505 -0.15269 2016 5 6 57514 0.0385 0.4515 -0.15486 2016 5 7 57515 0.0403 0.4524 -0.15689 2016 5 8 57516 0.0420 0.4534 -0.15874 2016 5 9 57517 0.0438 0.4543 -0.16042 2016 5 10 57518 0.0456 0.4551 -0.16196 2016 5 11 57519 0.0474 0.4560 -0.16344 2016 5 12 57520 0.0492 0.4568 -0.16488 2016 5 13 57521 0.0510 0.4576 -0.16634 2016 5 14 57522 0.0529 0.4583 -0.16782 2016 5 15 57523 0.0547 0.4591 -0.16932 2016 5 16 57524 0.0566 0.4598 -0.17083 2016 5 17 57525 0.0585 0.4605 -0.17234 2016 5 18 57526 0.0604 0.4611 -0.17382 2016 5 19 57527 0.0623 0.4617 -0.17525 2016 5 20 57528 0.0642 0.4623 -0.17659 2016 5 21 57529 0.0661 0.4629 -0.17785 2016 5 22 57530 0.0680 0.4634 -0.17901 2016 5 23 57531 0.0700 0.4639 -0.18011 2016 5 24 57532 0.0719 0.4644 -0.18115 2016 5 25 57533 0.0739 0.4649 -0.18216 2016 5 26 57534 0.0759 0.4653 -0.18319 2016 5 27 57535 0.0778 0.4657 -0.18430 2016 5 28 57536 0.0798 0.4661 -0.18551 2016 5 29 57537 0.0818 0.4664 -0.18686 2016 5 30 57538 0.0838 0.4667 -0.18835 2016 5 31 57539 0.0858 0.4670 -0.18995 2016 6 1 57540 0.0878 0.4672 -0.19162 2016 6 2 57541 0.0898 0.4675 -0.19327 2016 6 3 57542 0.0918 0.4676 -0.19482 2016 6 4 57543 0.0938 0.4678 -0.19623 2016 6 5 57544 0.0958 0.4679 -0.19747 2016 6 6 57545 0.0978 0.4680 -0.19857 2016 6 7 57546 0.0999 0.4681 -0.19958 2016 6 8 57547 0.1019 0.4681 -0.20055 2016 6 9 57548 0.1039 0.4682 -0.20153 2016 6 10 57549 0.1059 0.4681 -0.20254 2016 6 11 57550 0.1079 0.4681 -0.20356 2016 6 12 57551 0.1099 0.4680 -0.20460 2016 6 13 57552 0.1120 0.4679 -0.20563 2016 6 14 57553 0.1140 0.4678 -0.20663 2016 6 15 57554 0.1160 0.4676 -0.20758 2016 6 16 57555 0.1180 0.4674 -0.20846 2016 6 17 57556 0.1200 0.4672 -0.20925 2016 6 18 57557 0.1220 0.4669 -0.20995 2016 6 19 57558 0.1239 0.4667 -0.21056 2016 6 20 57559 0.1259 0.4663 -0.21111 2016 6 21 57560 0.1279 0.4660 -0.21163 2016 6 22 57561 0.1299 0.4656 -0.21216 2016 6 23 57562 0.1318 0.4652 -0.21275 2016 6 24 57563 0.1338 0.4648 -0.21344 2016 6 25 57564 0.1357 0.4643 -0.21426 2016 6 26 57565 0.1376 0.4638 -0.21521 2016 6 27 57566 0.1396 0.4633 -0.21627 2016 6 28 57567 0.1415 0.4628 -0.21739 2016 6 29 57568 0.1434 0.4622 -0.21850 2016 6 30 57569 0.1453 0.4616 -0.21956 2016 7 1 57570 0.1471 0.4610 -0.22049 2016 7 2 57571 0.1490 0.4603 -0.22128 2016 7 3 57572 0.1509 0.4596 -0.22193 2016 7 4 57573 0.1527 0.4589 -0.22248 2016 7 5 57574 0.1545 0.4582 -0.22300 2016 7 6 57575 0.1563 0.4574 -0.22352 2016 7 7 57576 0.1581 0.4566 -0.22409 2016 7 8 57577 0.1599 0.4558 -0.22469 2016 7 9 57578 0.1617 0.4550 -0.22532 2016 7 10 57579 0.1634 0.4541 -0.22597 2016 7 11 57580 0.1652 0.4532 -0.22660 2016 7 12 57581 0.1669 0.4523 -0.22720 2016 7 13 57582 0.1686 0.4513 -0.22773 2016 7 14 57583 0.1703 0.4504 -0.22820 2016 7 15 57584 0.1719 0.4494 -0.22858 2016 7 16 57585 0.1736 0.4484 -0.22888 2016 7 17 57586 0.1752 0.4473 -0.22913 2016 7 18 57587 0.1768 0.4462 -0.22936 2016 7 19 57588 0.1784 0.4451 -0.22960 2016 7 20 57589 0.1799 0.4440 -0.22990 2016 7 21 57590 0.1815 0.4429 -0.23031 2016 7 22 57591 0.1830 0.4417 -0.23086 2016 7 23 57592 0.1845 0.4405 -0.23157 2016 7 24 57593 0.1859 0.4393 -0.23241 2016 7 25 57594 0.1874 0.4381 -0.23333 2016 7 26 57595 0.1888 0.4368 -0.23426 2016 7 27 57596 0.1902 0.4356 -0.23514 2016 7 28 57597 0.1916 0.4343 -0.23592 2016 7 29 57598 0.1929 0.4330 -0.23658 2016 7 30 57599 0.1943 0.4316 -0.23713 2016 7 31 57600 0.1956 0.4303 -0.23758 2016 8 1 57601 0.1968 0.4289 -0.23801 2016 8 2 57602 0.1981 0.4275 -0.23846 2016 8 3 57603 0.1993 0.4261 -0.23896 2016 8 4 57604 0.2005 0.4247 -0.23954 2016 8 5 57605 0.2017 0.4232 -0.24019 2016 8 6 57606 0.2028 0.4218 -0.24088 2016 8 7 57607 0.2040 0.4203 -0.24160 2016 8 8 57608 0.2050 0.4188 -0.24232 2016 8 9 57609 0.2061 0.4173 -0.24301 2016 8 10 57610 0.2071 0.4158 -0.24365 2016 8 11 57611 0.2081 0.4142 -0.24425 2016 8 12 57612 0.2091 0.4127 -0.24480 2016 8 13 57613 0.2101 0.4111 -0.24532 2016 8 14 57614 0.2110 0.4095 -0.24583 2016 8 15 57615 0.2119 0.4079 -0.24637 2016 8 16 57616 0.2127 0.4063 -0.24699 2016 8 17 57617 0.2136 0.4047 -0.24773 2016 8 18 57618 0.2144 0.4030 -0.24863 2016 8 19 57619 0.2151 0.4014 -0.24973 2016 8 20 57620 0.2159 0.3997 -0.25099 2016 8 21 57621 0.2166 0.3981 -0.25238 2016 8 22 57622 0.2172 0.3964 -0.25382 2016 8 23 57623 0.2179 0.3947 -0.25522 2016 8 24 57624 0.2185 0.3930 -0.25653 2016 8 25 57625 0.2191 0.3913 -0.25771 2016 8 26 57626 0.2196 0.3895 -0.25876 2016 8 27 57627 0.2201 0.3878 -0.25970 2016 8 28 57628 0.2206 0.3861 -0.26059 2016 8 29 57629 0.2211 0.3843 -0.26148 2016 8 30 57630 0.2215 0.3826 -0.26239 2016 8 31 57631 0.2219 0.3808 -0.26337 2016 9 1 57632 0.2222 0.3791 -0.26441 2016 9 2 57633 0.2226 0.3773 -0.26551 2016 9 3 57634 0.2228 0.3755 -0.26664 2016 9 4 57635 0.2231 0.3738 -0.26777 2016 9 5 57636 0.2233 0.3720 -0.26888 2016 9 6 57637 0.2235 0.3702 -0.26994 2016 9 7 57638 0.2237 0.3684 -0.27097 2016 9 8 57639 0.2238 0.3666 -0.27194 2016 9 9 57640 0.2239 0.3649 -0.27291 2016 9 10 57641 0.2239 0.3631 -0.27388 2016 9 11 57642 0.2240 0.3613 -0.27488 2016 9 12 57643 0.2240 0.3595 -0.27596 2016 9 13 57644 0.2239 0.3577 -0.27719 2016 9 14 57645 0.2239 0.3559 -0.27864 2016 9 15 57646 0.2238 0.3541 -0.28037 2016 9 16 57647 0.2236 0.3523 -0.28235 2016 9 17 57648 0.2235 0.3506 -0.28448 2016 9 18 57649 0.2232 0.3488 -0.28666 2016 9 19 57650 0.2230 0.3470 -0.28888 2016 9 20 57651 0.2227 0.3452 -0.29093 2016 9 21 57652 0.2224 0.3434 -0.29288 2016 9 22 57653 0.2221 0.3417 -0.29462 2016 9 23 57654 0.2218 0.3399 -0.29619 2016 9 24 57655 0.2214 0.3382 -0.29765 2016 9 25 57656 0.2209 0.3364 -0.29908 2016 9 26 57657 0.2205 0.3347 -0.30055 2016 9 27 57658 0.2200 0.3329 -0.30211 2016 9 28 57659 0.2195 0.3312 -0.30377 2016 9 29 57660 0.2189 0.3295 -0.30553 2016 9 30 57661 0.2183 0.3278 -0.30730 2016 10 1 57662 0.2177 0.3261 -0.30901 2016 10 2 57663 0.2170 0.3244 -0.31066 2016 10 3 57664 0.2164 0.3227 -0.31222 2016 10 4 57665 0.2157 0.3210 -0.31361 2016 10 5 57666 0.2149 0.3194 -0.31493 2016 10 6 57667 0.2142 0.3177 -0.31614 2016 10 7 57668 0.2134 0.3161 -0.31721 2016 10 8 57669 0.2125 0.3144 -0.31819 2016 10 9 57670 0.2117 0.3128 -0.31908 2016 10 10 57671 0.2108 0.3112 -0.32002 2016 10 11 57672 0.2099 0.3096 -0.32114 2016 10 12 57673 0.2089 0.3081 -0.32234 2016 10 13 57674 0.2080 0.3065 -0.32379 2016 10 14 57675 0.2070 0.3049 -0.32546 2016 10 15 57676 0.2059 0.3034 -0.32728 2016 10 16 57677 0.2049 0.3019 -0.32919 2016 10 17 57678 0.2038 0.3004 -0.33109 2016 10 18 57679 0.2027 0.2989 -0.33300 2016 10 19 57680 0.2016 0.2974 -0.33477 2016 10 20 57681 0.2004 0.2960 -0.33634 2016 10 21 57682 0.1992 0.2946 -0.33780 2016 10 22 57683 0.1980 0.2931 -0.33917 2016 10 23 57684 0.1968 0.2917 -0.34056 2016 10 24 57685 0.1955 0.2904 -0.34192 2016 10 25 57686 0.1942 0.2890 -0.34335 2016 10 26 57687 0.1929 0.2877 -0.34482 2016 10 27 57688 0.1916 0.2863 -0.34636 2016 10 28 57689 0.1902 0.2850 -0.34791 2016 10 29 57690 0.1888 0.2838 -0.34949 2016 10 30 57691 0.1874 0.2825 -0.35098 2016 10 31 57692 0.1860 0.2813 -0.35248 2016 11 1 57693 0.1846 0.2800 -0.35387 2016 11 2 57694 0.1831 0.2788 -0.35522 2016 11 3 57695 0.1816 0.2777 -0.35656 2016 11 4 57696 0.1801 0.2765 -0.35793 2016 11 5 57697 0.1786 0.2754 -0.35931 2016 11 6 57698 0.1770 0.2743 -0.36078 2016 11 7 57699 0.1755 0.2732 -0.36234 2016 11 8 57700 0.1739 0.2721 -0.36399 2016 11 9 57701 0.1723 0.2711 -0.36577 2016 11 10 57702 0.1707 0.2701 -0.36773 2016 11 11 57703 0.1690 0.2691 -0.36981 2016 11 12 57704 0.1674 0.2682 -0.37197 2016 11 13 57705 0.1657 0.2672 -0.37415 2016 11 14 57706 0.1640 0.2663 -0.37625 2016 11 15 57707 0.1623 0.2654 -0.37818 2016 11 16 57708 0.1606 0.2646 -0.37985 2016 11 17 57709 0.1589 0.2637 -0.38135 2016 11 18 57710 0.1571 0.2629 -0.38270 2016 11 19 57711 0.1554 0.2621 -0.38400 2016 11 20 57712 0.1536 0.2614 -0.38523 2016 11 21 57713 0.1518 0.2606 -0.38644 2016 11 22 57714 0.1501 0.2599 -0.38770 2016 11 23 57715 0.1482 0.2593 -0.38900 2016 11 24 57716 0.1464 0.2586 -0.39030 2016 11 25 57717 0.1446 0.2580 -0.39163 2016 11 26 57718 0.1428 0.2574 -0.39295 2016 11 27 57719 0.1409 0.2568 -0.39417 2016 11 28 57720 0.1391 0.2563 -0.39533 2016 11 29 57721 0.1372 0.2558 -0.39637 2016 11 30 57722 0.1354 0.2553 -0.39730 2016 12 1 57723 0.1335 0.2548 -0.39816 2016 12 2 57724 0.1316 0.2544 -0.39886 2016 12 3 57725 0.1297 0.2540 -0.39951 2016 12 4 57726 0.1278 0.2536 -0.40017 2016 12 5 57727 0.1259 0.2533 -0.40088 2016 12 6 57728 0.1240 0.2530 -0.40177 2016 12 7 57729 0.1221 0.2527 -0.40281 2016 12 8 57730 0.1202 0.2524 -0.40408 2016 12 9 57731 0.1183 0.2522 -0.40546 2016 12 10 57732 0.1164 0.2520 -0.40702 2016 12 11 57733 0.1145 0.2518 -0.40860 2016 12 12 57734 0.1125 0.2517 -0.41012 2016 12 13 57735 0.1106 0.2516 -0.41157 2016 12 14 57736 0.1087 0.2515 -0.41292 2016 12 15 57737 0.1068 0.2514 -0.41414 2016 12 16 57738 0.1049 0.2514 -0.41522 2016 12 17 57739 0.1030 0.2514 -0.41625 2016 12 18 57740 0.1010 0.2514 -0.41726 2016 12 19 57741 0.0991 0.2515 -0.41822 2016 12 20 57742 0.0972 0.2516 -0.41915 2016 12 21 57743 0.0953 0.2517 -0.42002 2016 12 22 57744 0.0934 0.2518 -0.42080 2016 12 23 57745 0.0915 0.2520 -0.42158 2016 12 24 57746 0.0896 0.2522 -0.42237 2016 12 25 57747 0.0878 0.2524 -0.42314 2016 12 26 57748 0.0859 0.2527 -0.42392 2016 12 27 57749 0.0840 0.2530 -0.42466 2016 12 28 57750 0.0821 0.2533 -0.42538 2016 12 29 57751 0.0803 0.2536 -0.42614 2016 12 30 57752 0.0784 0.2540 -0.42692 2016 12 31 57753 0.0766 0.2544 -0.42777 2017 1 1 57754 0.0748 0.2548 -0.42880 2017 1 2 57755 0.0730 0.2553 -0.42993 2017 1 3 57756 0.0712 0.2557 -0.43119 2017 1 4 57757 0.0694 0.2562 -0.43252 2017 1 5 57758 0.0676 0.2568 -0.43398 2017 1 6 57759 0.0658 0.2573 -0.43549 2017 1 7 57760 0.0640 0.2579 -0.43694 2017 1 8 57761 0.0623 0.2585 -0.43838 2017 1 9 57762 0.0605 0.2592 -0.43970 2017 1 10 57763 0.0588 0.2598 -0.44092 2017 1 11 57764 0.0571 0.2605 -0.44208 2017 1 12 57765 0.0554 0.2612 -0.44322 2017 1 13 57766 0.0537 0.2620 -0.44431 2017 1 14 57767 0.0521 0.2628 -0.44545 2017 1 15 57768 0.0504 0.2635 -0.44663 2017 1 16 57769 0.0488 0.2644 -0.44779 2017 1 17 57770 0.0472 0.2652 -0.44893 2017 1 18 57771 0.0456 0.2661 -0.44995 2017 1 19 57772 0.0440 0.2670 -0.45086 2017 1 20 57773 0.0425 0.2679 -0.45170 2017 1 21 57774 0.0409 0.2688 -0.45242 2017 1 22 57775 0.0394 0.2698 -0.45312 2017 1 23 57776 0.0379 0.2707 -0.45371 2017 1 24 57777 0.0364 0.2717 -0.45425 2017 1 25 57778 0.0350 0.2728 -0.45476 2017 1 26 57779 0.0335 0.2738 -0.45525 2017 1 27 57780 0.0321 0.2749 -0.45578 2017 1 28 57781 0.0307 0.2760 -0.45640 2017 1 29 57782 0.0293 0.2771 -0.45713 2017 1 30 57783 0.0280 0.2782 -0.45801 2017 1 31 57784 0.0267 0.2794 -0.45911 2017 2 1 57785 0.0254 0.2805 -0.46035 2017 2 2 57786 0.0241 0.2817 -0.46165 2017 2 3 57787 0.0228 0.2829 -0.46300 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) 57401 -93.45 0.30 -9.12 0.01 57402 -93.58 0.30 -9.08 0.01 57403 -93.67 0.30 -9.11 0.01 57404 -93.76 0.30 -9.14 0.02 57405 -93.95 0.30 -9.19 0.02 57406 -94.24 0.30 -9.29 0.02 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 57358 -94.2 -10.7 57359 -94.1 -10.6 57360 -94.0 -10.4 57361 -94.0 -10.2 57362 -94.0 -10.1 57363 -94.1 -10.0 57364 -94.1 -9.8 57365 -94.2 -9.7 57366 -94.3 -9.6 57367 -94.4 -9.7 57368 -94.3 -9.9 57369 -94.1 -10.1 57370 -93.9 -10.1 57371 -93.9 -10.0 57372 -94.1 -9.8 57373 -94.2 -9.5 57374 -94.2 -9.4 57375 -94.0 -9.2 57376 -94.0 -9.1 57377 -94.2 -9.1 57378 -94.5 -9.3 57379 -94.5 -9.4 57380 -94.5 -9.6 57381 -94.4 -9.5 57382 -94.3 -9.3 57383 -94.0 -9.1 57384 -93.9 -9.2 57385 -93.7 -9.4 57386 -93.6 -9.6 57387 -93.5 -9.6 57388 -93.5 -9.6 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 57401 -0.054 0.119 -0.216 0.010 57402 -0.067 0.119 -0.207 0.010 57403 -0.087 0.119 -0.180 0.010 57404 -0.101 0.119 -0.152 0.020 57405 -0.103 0.119 -0.132 0.020 57406 -0.093 0.119 -0.092 0.020 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 57358 -0.05 -0.15 57359 -0.04 -0.15 57360 -0.04 -0.14 57361 -0.07 -0.12 57362 -0.06 -0.16 57363 -0.08 -0.21 57364 -0.06 -0.18 57365 -0.08 -0.24 57366 -0.08 -0.19 57367 -0.08 -0.20 57368 -0.07 -0.21 57369 -0.09 -0.24 57370 -0.10 -0.22 57371 -0.11 -0.23 57372 -0.14 -0.20 57373 -0.14 -0.06 57374 -0.16 -0.11 57375 -0.14 -0.09 57376 -0.14 -0.16 57377 -0.14 -0.21 57378 -0.13 -0.24 57379 -0.03 -0.05 57380 -0.01 -0.05 57381 -0.01 -0.01 57382 -0.05 -0.04 57383 -0.02 -0.02 57384 -0.06 -0.09 57385 -0.05 -0.10 57386 -0.07 -0.12 57387 -0.06 -0.08 57388 -0.06 -0.15 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).