********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 17 March 2016 Vol. XXIX No. 011 ______________________________________________________________________ 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 = -0.1 seconds beginning 24 Mar 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 3 11 57458 -.02512 .00009 0.37698 .00009 -0.040857 0.000021 16 3 12 57459 -.02520 .00009 0.37891 .00009 -0.043276 0.000021 16 3 13 57460 -.02517 .00009 0.38076 .00009 -0.045581 0.000022 16 3 14 57461 -.02475 .00009 0.38266 .00009 -0.047774 0.000025 16 3 15 57462 -.02392 .00009 0.38480 .00009 -0.049792 0.000025 16 3 16 57463 -.02261 .00009 0.38712 .00009 -0.051677 0.000025 16 3 17 57464 -.02079 .00009 0.38944 .00010 -0.053582 0.000026 _______________________________________________________________________ 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 = 0.1053 - 0.1189 cos A - 0.0077 sin A - 0.0108 cos C + 0.0265 sin C y = 0.3684 - 0.0076 cos A + 0.1039 sin A + 0.0265 cos C + 0.0108 sin C UT1-UTC = -0.0638 - 0.00140 (MJD - 57472) - (UT2-UT1) where A = 2*pi*(MJD-57464)/365.25 and C = 2*pi*(MJD-57464)/435. TAI-UTC(MJD 57465) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57464)**0.80 S t = 0.00025 (MJD-57464)**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 3 18 57465 -0.0194 0.3919 -0.05546 2016 3 19 57466 -0.0179 0.3941 -0.05733 2016 3 20 57467 -0.0169 0.3962 -0.05924 2016 3 21 57468 -0.0160 0.3982 -0.06123 2016 3 22 57469 -0.0152 0.4000 -0.06325 2016 3 23 57470 -0.0144 0.4018 -0.06527 2016 3 24 57471 -0.0136 0.4036 -0.06726 2016 3 25 57472 -0.0127 0.4055 -0.06921 2016 3 26 57473 -0.0117 0.4074 -0.07113 2016 3 27 57474 -0.0107 0.4092 -0.07302 2016 3 28 57475 -0.0097 0.4110 -0.07487 2016 3 29 57476 -0.0088 0.4128 -0.07667 2016 3 30 57477 -0.0078 0.4145 -0.07844 2016 3 31 57478 -0.0069 0.4162 -0.08020 2016 4 1 57479 -0.0059 0.4178 -0.08200 2016 4 2 57480 -0.0050 0.4194 -0.08387 2016 4 3 57481 -0.0040 0.4209 -0.08587 2016 4 4 57482 -0.0029 0.4224 -0.08808 2016 4 5 57483 -0.0018 0.4239 -0.09049 2016 4 6 57484 -0.0006 0.4254 -0.09306 2016 4 7 57485 0.0005 0.4269 -0.09570 2016 4 8 57486 0.0017 0.4284 -0.09831 2016 4 9 57487 0.0029 0.4299 -0.10081 2016 4 10 57488 0.0042 0.4313 -0.10311 2016 4 11 57489 0.0055 0.4327 -0.10522 2016 4 12 57490 0.0068 0.4342 -0.10715 2016 4 13 57491 0.0081 0.4355 -0.10896 2016 4 14 57492 0.0095 0.4369 -0.11071 2016 4 15 57493 0.0108 0.4383 -0.11245 2016 4 16 57494 0.0123 0.4396 -0.11422 2016 4 17 57495 0.0137 0.4409 -0.11603 2016 4 18 57496 0.0152 0.4423 -0.11789 2016 4 19 57497 0.0166 0.4435 -0.11976 2016 4 20 57498 0.0181 0.4448 -0.12162 2016 4 21 57499 0.0197 0.4461 -0.12345 2016 4 22 57500 0.0212 0.4473 -0.12522 2016 4 23 57501 0.0228 0.4485 -0.12692 2016 4 24 57502 0.0244 0.4497 -0.12855 2016 4 25 57503 0.0260 0.4508 -0.13011 2016 4 26 57504 0.0276 0.4520 -0.13162 2016 4 27 57505 0.0293 0.4531 -0.13311 2016 4 28 57506 0.0309 0.4541 -0.13460 2016 4 29 57507 0.0326 0.4552 -0.13617 2016 4 30 57508 0.0344 0.4562 -0.13784 2016 5 1 57509 0.0361 0.4572 -0.13968 2016 5 2 57510 0.0378 0.4582 -0.14170 2016 5 3 57511 0.0396 0.4592 -0.14391 2016 5 4 57512 0.0414 0.4601 -0.14626 2016 5 5 57513 0.0432 0.4610 -0.14866 2016 5 6 57514 0.0450 0.4619 -0.15102 2016 5 7 57515 0.0469 0.4627 -0.15324 2016 5 8 57516 0.0487 0.4635 -0.15529 2016 5 9 57517 0.0506 0.4643 -0.15715 2016 5 10 57518 0.0525 0.4651 -0.15888 2016 5 11 57519 0.0544 0.4658 -0.16053 2016 5 12 57520 0.0563 0.4665 -0.16216 2016 5 13 57521 0.0582 0.4672 -0.16378 2016 5 14 57522 0.0601 0.4678 -0.16542 2016 5 15 57523 0.0621 0.4684 -0.16707 2016 5 16 57524 0.0640 0.4690 -0.16873 2016 5 17 57525 0.0660 0.4696 -0.17038 2016 5 18 57526 0.0680 0.4701 -0.17200 2016 5 19 57527 0.0700 0.4706 -0.17356 2016 5 20 57528 0.0720 0.4711 -0.17503 2016 5 21 57529 0.0740 0.4715 -0.17642 2016 5 22 57530 0.0760 0.4719 -0.17771 2016 5 23 57531 0.0780 0.4723 -0.17891 2016 5 24 57532 0.0801 0.4727 -0.18003 2016 5 25 57533 0.0821 0.4730 -0.18112 2016 5 26 57534 0.0841 0.4733 -0.18222 2016 5 27 57535 0.0862 0.4735 -0.18337 2016 5 28 57536 0.0882 0.4738 -0.18462 2016 5 29 57537 0.0903 0.4740 -0.18599 2016 5 30 57538 0.0924 0.4741 -0.18751 2016 5 31 57539 0.0944 0.4743 -0.18913 2016 6 1 57540 0.0965 0.4744 -0.19080 2016 6 2 57541 0.0986 0.4744 -0.19245 2016 6 3 57542 0.1006 0.4745 -0.19400 2016 6 4 57543 0.1027 0.4745 -0.19539 2016 6 5 57544 0.1048 0.4745 -0.19661 2016 6 6 57545 0.1069 0.4744 -0.19768 2016 6 7 57546 0.1089 0.4743 -0.19865 2016 6 8 57547 0.1110 0.4742 -0.19959 2016 6 9 57548 0.1131 0.4741 -0.20053 2016 6 10 57549 0.1151 0.4739 -0.20148 2016 6 11 57550 0.1172 0.4737 -0.20246 2016 6 12 57551 0.1193 0.4734 -0.20345 2016 6 13 57552 0.1213 0.4732 -0.20444 2016 6 14 57553 0.1234 0.4729 -0.20539 2016 6 15 57554 0.1254 0.4725 -0.20629 2016 6 16 57555 0.1274 0.4722 -0.20712 2016 6 17 57556 0.1295 0.4718 -0.20785 2016 6 18 57557 0.1315 0.4714 -0.20850 2016 6 19 57558 0.1335 0.4709 -0.20906 2016 6 20 57559 0.1355 0.4704 -0.20955 2016 6 21 57560 0.1375 0.4699 -0.21000 2016 6 22 57561 0.1395 0.4694 -0.21047 2016 6 23 57562 0.1415 0.4688 -0.21100 2016 6 24 57563 0.1434 0.4682 -0.21163 2016 6 25 57564 0.1454 0.4675 -0.21239 2016 6 26 57565 0.1474 0.4669 -0.21329 2016 6 27 57566 0.1493 0.4662 -0.21430 2016 6 28 57567 0.1512 0.4655 -0.21537 2016 6 29 57568 0.1531 0.4647 -0.21645 2016 6 30 57569 0.1550 0.4639 -0.21746 2016 7 1 57570 0.1569 0.4631 -0.21837 2016 7 2 57571 0.1587 0.4623 -0.21913 2016 7 3 57572 0.1606 0.4614 -0.21976 2016 7 4 57573 0.1624 0.4605 -0.22034 2016 7 5 57574 0.1642 0.4596 -0.22088 2016 7 6 57575 0.1660 0.4587 -0.22144 2016 7 7 57576 0.1678 0.4577 -0.22203 2016 7 8 57577 0.1696 0.4567 -0.22267 2016 7 9 57578 0.1713 0.4557 -0.22335 2016 7 10 57579 0.1730 0.4546 -0.22404 2016 7 11 57580 0.1747 0.4536 -0.22472 2016 7 12 57581 0.1764 0.4525 -0.22536 2016 7 13 57582 0.1781 0.4513 -0.22595 2016 7 14 57583 0.1797 0.4502 -0.22646 2016 7 15 57584 0.1813 0.4490 -0.22690 2016 7 16 57585 0.1829 0.4478 -0.22726 2016 7 17 57586 0.1845 0.4466 -0.22757 2016 7 18 57587 0.1861 0.4453 -0.22785 2016 7 19 57588 0.1876 0.4440 -0.22815 2016 7 20 57589 0.1891 0.4427 -0.22852 2016 7 21 57590 0.1906 0.4414 -0.22900 2016 7 22 57591 0.1921 0.4401 -0.22962 2016 7 23 57592 0.1935 0.4387 -0.23040 2016 7 24 57593 0.1949 0.4373 -0.23131 2016 7 25 57594 0.1963 0.4359 -0.23230 2016 7 26 57595 0.1977 0.4345 -0.23330 2016 7 27 57596 0.1990 0.4330 -0.23426 2016 7 28 57597 0.2003 0.4316 -0.23512 2016 7 29 57598 0.2016 0.4301 -0.23585 2016 7 30 57599 0.2028 0.4286 -0.23648 2016 7 31 57600 0.2041 0.4271 -0.23702 2016 8 1 57601 0.2053 0.4255 -0.23752 2016 8 2 57602 0.2064 0.4239 -0.23805 2016 8 3 57603 0.2076 0.4224 -0.23863 2016 8 4 57604 0.2087 0.4208 -0.23929 2016 8 5 57605 0.2098 0.4192 -0.24002 2016 8 6 57606 0.2108 0.4175 -0.24078 2016 8 7 57607 0.2118 0.4159 -0.24156 2016 8 8 57608 0.2128 0.4142 -0.24234 2016 8 9 57609 0.2138 0.4125 -0.24307 2016 8 10 57610 0.2147 0.4109 -0.24375 2016 8 11 57611 0.2156 0.4091 -0.24437 2016 8 12 57612 0.2165 0.4074 -0.24493 2016 8 13 57613 0.2173 0.4057 -0.24543 2016 8 14 57614 0.2181 0.4040 -0.24592 2016 8 15 57615 0.2189 0.4022 -0.24643 2016 8 16 57616 0.2196 0.4004 -0.24701 2016 8 17 57617 0.2203 0.3987 -0.24770 2016 8 18 57618 0.2210 0.3969 -0.24855 2016 8 19 57619 0.2217 0.3951 -0.24958 2016 8 20 57620 0.2223 0.3933 -0.25079 2016 8 21 57621 0.2228 0.3914 -0.25212 2016 8 22 57622 0.2234 0.3896 -0.25349 2016 8 23 57623 0.2239 0.3878 -0.25484 2016 8 24 57624 0.2244 0.3859 -0.25608 2016 8 25 57625 0.2248 0.3841 -0.25721 2016 8 26 57626 0.2252 0.3822 -0.25821 2016 8 27 57627 0.2256 0.3804 -0.25912 2016 8 28 57628 0.2259 0.3785 -0.25999 2016 8 29 57629 0.2262 0.3766 -0.26088 2016 8 30 57630 0.2265 0.3748 -0.26182 2016 8 31 57631 0.2268 0.3729 -0.26285 2016 9 1 57632 0.2270 0.3710 -0.26396 2016 9 2 57633 0.2271 0.3691 -0.26514 2016 9 3 57634 0.2273 0.3672 -0.26636 2016 9 4 57635 0.2274 0.3653 -0.26758 2016 9 5 57636 0.2274 0.3634 -0.26877 2016 9 6 57637 0.2274 0.3615 -0.26993 2016 9 7 57638 0.2274 0.3597 -0.27101 2016 9 8 57639 0.2274 0.3578 -0.27204 2016 9 9 57640 0.2273 0.3559 -0.27300 2016 9 10 57641 0.2272 0.3540 -0.27394 2016 9 11 57642 0.2271 0.3521 -0.27487 2016 9 12 57643 0.2269 0.3502 -0.27585 2016 9 13 57644 0.2267 0.3483 -0.27692 2016 9 14 57645 0.2264 0.3464 -0.27813 2016 9 15 57646 0.2262 0.3446 -0.27951 2016 9 16 57647 0.2258 0.3427 -0.28107 2016 9 17 57648 0.2255 0.3408 -0.28277 2016 9 18 57649 0.2251 0.3390 -0.28454 2016 9 19 57650 0.2247 0.3371 -0.28628 2016 9 20 57651 0.2242 0.3353 -0.28791 2016 9 21 57652 0.2237 0.3334 -0.28937 2016 9 22 57653 0.2232 0.3316 -0.29064 2016 9 23 57654 0.2227 0.3298 -0.29177 2016 9 24 57655 0.2221 0.3279 -0.29283 2016 9 25 57656 0.2215 0.3261 -0.29387 2016 9 26 57657 0.2208 0.3243 -0.29497 2016 9 27 57658 0.2201 0.3225 -0.29616 2016 9 28 57659 0.2194 0.3208 -0.29746 2016 9 29 57660 0.2187 0.3190 -0.29886 2016 9 30 57661 0.2179 0.3172 -0.30033 2016 10 1 57662 0.2171 0.3155 -0.30183 2016 10 2 57663 0.2162 0.3138 -0.30335 2016 10 3 57664 0.2153 0.3120 -0.30484 2016 10 4 57665 0.2144 0.3103 -0.30630 2016 10 5 57666 0.2135 0.3086 -0.30771 2016 10 6 57667 0.2125 0.3070 -0.30907 2016 10 7 57668 0.2115 0.3053 -0.31041 2016 10 8 57669 0.2105 0.3037 -0.31174 2016 10 9 57670 0.2094 0.3020 -0.31311 2016 10 10 57671 0.2083 0.3004 -0.31458 2016 10 11 57672 0.2072 0.2988 -0.31618 2016 10 12 57673 0.2061 0.2972 -0.31798 2016 10 13 57674 0.2049 0.2957 -0.32000 2016 10 14 57675 0.2037 0.2941 -0.32225 2016 10 15 57676 0.2024 0.2926 -0.32466 2016 10 16 57677 0.2012 0.2911 -0.32716 2016 10 17 57678 0.1999 0.2896 -0.32962 2016 10 18 57679 0.1986 0.2881 -0.33195 2016 10 19 57680 0.1972 0.2867 -0.33408 2016 10 20 57681 0.1959 0.2853 -0.33601 2016 10 21 57682 0.1945 0.2839 -0.33780 2016 10 22 57683 0.1930 0.2825 -0.33953 2016 10 23 57684 0.1916 0.2811 -0.34127 2016 10 24 57685 0.1901 0.2798 -0.34306 2016 10 25 57686 0.1886 0.2784 -0.34491 2016 10 26 57687 0.1871 0.2771 -0.34677 2016 10 27 57688 0.1856 0.2759 -0.34868 2016 10 28 57689 0.1840 0.2746 -0.35061 2016 10 29 57690 0.1824 0.2734 -0.35249 2016 10 30 57691 0.1808 0.2722 -0.35428 2016 10 31 57692 0.1792 0.2710 -0.35596 2016 11 1 57693 0.1775 0.2699 -0.35762 2016 11 2 57694 0.1759 0.2687 -0.35924 2016 11 3 57695 0.1742 0.2676 -0.36082 2016 11 4 57696 0.1725 0.2666 -0.36237 2016 11 5 57697 0.1707 0.2655 -0.36396 2016 11 6 57698 0.1690 0.2645 -0.36552 2016 11 7 57699 0.1672 0.2635 -0.36720 2016 11 8 57700 0.1654 0.2625 -0.36898 2016 11 9 57701 0.1636 0.2616 -0.37092 2016 11 10 57702 0.1618 0.2607 -0.37308 2016 11 11 57703 0.1600 0.2598 -0.37537 2016 11 12 57704 0.1581 0.2589 -0.37775 2016 11 13 57705 0.1563 0.2581 -0.38020 2016 11 14 57706 0.1544 0.2573 -0.38252 2016 11 15 57707 0.1525 0.2565 -0.38469 2016 11 16 57708 0.1506 0.2558 -0.38668 2016 11 17 57709 0.1487 0.2550 -0.38851 2016 11 18 57710 0.1467 0.2544 -0.39024 2016 11 19 57711 0.1448 0.2537 -0.39191 2016 11 20 57712 0.1428 0.2531 -0.39357 2016 11 21 57713 0.1409 0.2525 -0.39521 2016 11 22 57714 0.1389 0.2519 -0.39695 2016 11 23 57715 0.1369 0.2514 -0.39869 2016 11 24 57716 0.1349 0.2508 -0.40040 2016 11 25 57717 0.1329 0.2504 -0.40212 2016 11 26 57718 0.1309 0.2499 -0.40370 2016 11 27 57719 0.1289 0.2495 -0.40527 2016 11 28 57720 0.1268 0.2491 -0.40676 2016 11 29 57721 0.1248 0.2488 -0.40816 2016 11 30 57722 0.1227 0.2484 -0.40945 2016 12 1 57723 0.1207 0.2481 -0.41073 2016 12 2 57724 0.1187 0.2479 -0.41202 2016 12 3 57725 0.1166 0.2477 -0.41336 2016 12 4 57726 0.1145 0.2475 -0.41474 2016 12 5 57727 0.1125 0.2473 -0.41626 2016 12 6 57728 0.1104 0.2471 -0.41794 2016 12 7 57729 0.1084 0.2470 -0.41988 2016 12 8 57730 0.1063 0.2470 -0.42203 2016 12 9 57731 0.1042 0.2469 -0.42435 2016 12 10 57732 0.1022 0.2469 -0.42671 2016 12 11 57733 0.1001 0.2469 -0.42898 2016 12 12 57734 0.0980 0.2470 -0.43121 2016 12 13 57735 0.0960 0.2471 -0.43321 2016 12 14 57736 0.0939 0.2472 -0.43512 2016 12 15 57737 0.0919 0.2473 -0.43685 2016 12 16 57738 0.0898 0.2475 -0.43849 2016 12 17 57739 0.0877 0.2477 -0.44008 2016 12 18 57740 0.0857 0.2479 -0.44172 2016 12 19 57741 0.0837 0.2482 -0.44340 2016 12 20 57742 0.0816 0.2485 -0.44513 2016 12 21 57743 0.0796 0.2488 -0.44689 2016 12 22 57744 0.0776 0.2492 -0.44865 2016 12 23 57745 0.0756 0.2496 -0.45032 2016 12 24 57746 0.0736 0.2500 -0.45185 2016 12 25 57747 0.0716 0.2505 -0.45325 2016 12 26 57748 0.0696 0.2510 -0.45451 2016 12 27 57749 0.0676 0.2515 -0.45556 2016 12 28 57750 0.0656 0.2520 -0.45657 2016 12 29 57751 0.0637 0.2526 -0.45749 2016 12 30 57752 0.0617 0.2532 -0.45832 2016 12 31 57753 0.0598 0.2538 -0.45912 2017 1 1 57754 0.0579 0.2545 -0.45991 2017 1 2 57755 0.0560 0.2552 -0.46077 2017 1 3 57756 0.0541 0.2559 -0.46187 2017 1 4 57757 0.0522 0.2567 -0.46298 2017 1 5 57758 0.0503 0.2574 -0.46426 2017 1 6 57759 0.0485 0.2582 -0.46565 2017 1 7 57760 0.0467 0.2591 -0.46704 2017 1 8 57761 0.0448 0.2599 -0.46840 2017 1 9 57762 0.0430 0.2608 -0.46969 2017 1 10 57763 0.0413 0.2617 -0.47098 2017 1 11 57764 0.0395 0.2627 -0.47220 2017 1 12 57765 0.0377 0.2636 -0.47334 2017 1 13 57766 0.0360 0.2646 -0.47449 2017 1 14 57767 0.0343 0.2657 -0.47566 2017 1 15 57768 0.0326 0.2667 -0.47691 2017 1 16 57769 0.0309 0.2678 -0.47816 2017 1 17 57770 0.0293 0.2689 -0.47944 2017 1 18 57771 0.0277 0.2700 -0.48071 2017 1 19 57772 0.0260 0.2712 -0.48197 2017 1 20 57773 0.0245 0.2723 -0.48317 2017 1 21 57774 0.0229 0.2735 -0.48434 2017 1 22 57775 0.0214 0.2748 -0.48538 2017 1 23 57776 0.0198 0.2760 -0.48640 2017 1 24 57777 0.0183 0.2773 -0.48734 2017 1 25 57778 0.0169 0.2786 -0.48829 2017 1 26 57779 0.0154 0.2799 -0.48928 2017 1 27 57780 0.0140 0.2812 -0.49041 2017 1 28 57781 0.0126 0.2826 -0.49165 2017 1 29 57782 0.0112 0.2839 -0.49308 2017 1 30 57783 0.0099 0.2853 -0.49466 2017 1 31 57784 0.0086 0.2867 -0.49635 2017 2 1 57785 0.0073 0.2882 -0.49815 2017 2 2 57786 0.0060 0.2896 -0.50001 2017 2 3 57787 0.0048 0.2911 -0.50183 2017 2 4 57788 0.0036 0.2926 -0.50357 2017 2 5 57789 0.0024 0.2941 -0.50523 2017 2 6 57790 0.0013 0.2956 -0.50677 2017 2 7 57791 0.0001 0.2972 -0.50817 2017 2 8 57792 -0.0010 0.2988 -0.50944 2017 2 9 57793 -0.0020 0.3003 -0.51069 2017 2 10 57794 -0.0031 0.3019 -0.51192 2017 2 11 57795 -0.0041 0.3035 -0.51323 2017 2 12 57796 -0.0050 0.3052 -0.51454 2017 2 13 57797 -0.0060 0.3068 -0.51586 2017 2 14 57798 -0.0069 0.3085 -0.51721 2017 2 15 57799 -0.0078 0.3101 -0.51856 2017 2 16 57800 -0.0086 0.3118 -0.51986 2017 2 17 57801 -0.0094 0.3135 -0.52114 2017 2 18 57802 -0.0102 0.3152 -0.52238 2017 2 19 57803 -0.0110 0.3169 -0.52350 2017 2 20 57804 -0.0117 0.3187 -0.52458 2017 2 21 57805 -0.0124 0.3204 -0.52558 2017 2 22 57806 -0.0131 0.3222 -0.52656 2017 2 23 57807 -0.0137 0.3239 -0.52754 2017 2 24 57808 -0.0143 0.3257 -0.52849 2017 2 25 57809 -0.0148 0.3275 -0.52951 2017 2 26 57810 -0.0154 0.3293 -0.53066 2017 2 27 57811 -0.0159 0.3311 -0.53193 2017 2 28 57812 -0.0163 0.3329 -0.53338 2017 3 1 57813 -0.0168 0.3347 -0.53494 2017 3 2 57814 -0.0172 0.3365 -0.53661 2017 3 3 57815 -0.0175 0.3383 -0.53821 2017 3 4 57816 -0.0178 0.3401 -0.53984 2017 3 5 57817 -0.0181 0.3420 -0.54138 2017 3 6 57818 -0.0184 0.3438 -0.54283 2017 3 7 57819 -0.0186 0.3456 -0.54427 2017 3 8 57820 -0.0188 0.3475 -0.54573 2017 3 9 57821 -0.0190 0.3493 -0.54721 2017 3 10 57822 -0.0191 0.3512 -0.54867 2017 3 11 57823 -0.0192 0.3530 -0.55016 2017 3 12 57824 -0.0192 0.3549 -0.55168 2017 3 13 57825 -0.0193 0.3567 -0.55314 2017 3 14 57826 -0.0192 0.3586 -0.55455 2017 3 15 57827 -0.0192 0.3604 -0.55585 2017 3 16 57828 -0.0191 0.3623 -0.55704 2017 3 17 57829 -0.0190 0.3641 -0.55818 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).