********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 4 March 2010 Vol. XXIII No. 009 ______________________________________________________________________ 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 11 March 2010 at 0000 UTC Beginning 1 January 2009: TAI-UTC(BIPM) = 34.000 000 seconds ________________________________________________________________________ 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 10 2 26 55253 -.03147 .00010 0.24867 .00009 0.058486 0.000010 10 2 27 55254 -.03258 .00009 0.25101 .00010 0.056902 0.000009 10 2 28 55255 -.03398 .00009 0.25339 .00010 0.055031 0.000010 10 3 1 55256 -.03508 .00009 0.25557 .00009 0.052985 0.000011 10 3 2 55257 -.03591 .00009 0.25769 .00009 0.050942 0.000011 10 3 3 55258 -.03692 .00009 0.25983 .00009 0.049053 0.000065 10 3 4 55259 -.03836 .00009 0.26194 .00009 0.047425 0.000055 IERS Final Values MJD x y UT1-UTC " " s 10 1 4 55200 0.0927 0.1935 0.11138 10 1 5 55201 0.0905 0.1938 0.11002 10 1 6 55202 0.0876 0.1942 0.10861 10 1 7 55203 0.0843 0.1944 0.10733 10 1 8 55204 0.0812 0.1945 0.10625 10 1 9 55205 0.0779 0.1946 0.10540 10 1 10 55206 0.0742 0.1944 0.10482 10 1 11 55207 0.0705 0.1944 0.10443 10 1 12 55208 0.0676 0.1944 0.10414 10 1 13 55209 0.0649 0.1946 0.10387 10 1 14 55210 0.0621 0.1950 0.10363 10 1 15 55211 0.0592 0.1953 0.10332 10 1 16 55212 0.0558 0.1957 0.10286 10 1 17 55213 0.0524 0.1958 0.10221 10 1 18 55214 0.0489 0.1960 0.10138 10 1 19 55215 0.0450 0.1962 0.10041 10 1 20 55216 0.0410 0.1965 0.09942 10 1 21 55217 0.0370 0.1969 0.09840 10 1 22 55218 0.0335 0.1972 0.09739 10 1 23 55219 0.0306 0.1972 0.09641 10 1 24 55220 0.0281 0.1974 0.09551 10 1 25 55221 0.0256 0.1981 0.09473 10 1 26 55222 0.0230 0.1986 0.09408 10 1 27 55223 0.0207 0.1993 0.09352 10 1 28 55224 0.0189 0.2004 0.09293 10 1 29 55225 0.0179 0.2019 0.09210 10 1 30 55226 0.0164 0.2041 0.09100 10 1 31 55227 0.0141 0.2064 0.08960 10 2 1 55228 0.0115 0.2081 0.08788 _______________________________________________________________________ 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 = 0.0873 - 0.1258 cos A + 0.0373 sin A + 0.0015 cos C - 0.1162 sin C y = 0.3479 + 0.0319 cos A + 0.1131 sin A - 0.1162 cos C - 0.0015 sin C UT1-UTC = 0.0511 - 0.00088 (MJD - 55267) - (UT2-UT1) where A = 2*pi*(MJD-55259)/365.25 and C = 2*pi*(MJD-55259)/435. TAI-UTC(MJD 55260) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55259)**0.80 S t = 0.00025 (MJD-55259)**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) 2010 3 5 55260 -0.0395 0.2639 0.04611 2010 3 6 55261 -0.0409 0.2658 0.04507 2010 3 7 55262 -0.0422 0.2677 0.04423 2010 3 8 55263 -0.0435 0.2695 0.04347 2010 3 9 55264 -0.0446 0.2715 0.04273 2010 3 10 55265 -0.0457 0.2734 0.04194 2010 3 11 55266 -0.0467 0.2754 0.04104 2010 3 12 55267 -0.0477 0.2774 0.04002 2010 3 13 55268 -0.0487 0.2794 0.03884 2010 3 14 55269 -0.0496 0.2814 0.03752 2010 3 15 55270 -0.0504 0.2834 0.03609 2010 3 16 55271 -0.0513 0.2854 0.03460 2010 3 17 55272 -0.0521 0.2875 0.03308 2010 3 18 55273 -0.0528 0.2896 0.03159 2010 3 19 55274 -0.0536 0.2916 0.03019 2010 3 20 55275 -0.0543 0.2937 0.02892 2010 3 21 55276 -0.0549 0.2958 0.02775 2010 3 22 55277 -0.0555 0.2979 0.02665 2010 3 23 55278 -0.0561 0.3000 0.02553 2010 3 24 55279 -0.0566 0.3022 0.02433 2010 3 25 55280 -0.0571 0.3043 0.02295 2010 3 26 55281 -0.0576 0.3064 0.02133 2010 3 27 55282 -0.0580 0.3086 0.01946 2010 3 28 55283 -0.0584 0.3107 0.01738 2010 3 29 55284 -0.0588 0.3129 0.01519 2010 3 30 55285 -0.0591 0.3150 0.01303 2010 3 31 55286 -0.0593 0.3172 0.01104 2010 4 1 55287 -0.0596 0.3193 0.00931 2010 4 2 55288 -0.0598 0.3215 0.00785 2010 4 3 55289 -0.0599 0.3237 0.00662 2010 4 4 55290 -0.0601 0.3259 0.00554 2010 4 5 55291 -0.0601 0.3280 0.00451 2010 4 6 55292 -0.0602 0.3302 0.00346 2010 4 7 55293 -0.0602 0.3324 0.00234 2010 4 8 55294 -0.0602 0.3345 0.00112 2010 4 9 55295 -0.0601 0.3367 -0.00021 2010 4 10 55296 -0.0600 0.3389 -0.00167 2010 4 11 55297 -0.0599 0.3410 -0.00321 2010 4 12 55298 -0.0597 0.3432 -0.00479 2010 4 13 55299 -0.0595 0.3454 -0.00638 2010 4 14 55300 -0.0592 0.3475 -0.00789 2010 4 15 55301 -0.0589 0.3497 -0.00929 2010 4 16 55302 -0.0586 0.3518 -0.01052 2010 4 17 55303 -0.0582 0.3539 -0.01159 2010 4 18 55304 -0.0578 0.3561 -0.01253 2010 4 19 55305 -0.0574 0.3582 -0.01342 2010 4 20 55306 -0.0569 0.3603 -0.01434 2010 4 21 55307 -0.0564 0.3624 -0.01540 2010 4 22 55308 -0.0559 0.3645 -0.01668 2010 4 23 55309 -0.0553 0.3666 -0.01819 2010 4 24 55310 -0.0547 0.3687 -0.01992 2010 4 25 55311 -0.0541 0.3707 -0.02177 2010 4 26 55312 -0.0534 0.3728 -0.02362 2010 4 27 55313 -0.0527 0.3749 -0.02533 2010 4 28 55314 -0.0519 0.3769 -0.02681 2010 4 29 55315 -0.0511 0.3789 -0.02802 2010 4 30 55316 -0.0503 0.3809 -0.02898 2010 5 1 55317 -0.0495 0.3829 -0.02976 2010 5 2 55318 -0.0486 0.3849 -0.03045 2010 5 3 55319 -0.0477 0.3869 -0.03112 2010 5 4 55320 -0.0467 0.3888 -0.03185 2010 5 5 55321 -0.0458 0.3907 -0.03267 2010 5 6 55322 -0.0448 0.3927 -0.03360 2010 5 7 55323 -0.0437 0.3946 -0.03464 2010 5 8 55324 -0.0426 0.3965 -0.03576 2010 5 9 55325 -0.0415 0.3983 -0.03692 2010 5 10 55326 -0.0404 0.4002 -0.03808 2010 5 11 55327 -0.0393 0.4020 -0.03918 2010 5 12 55328 -0.0381 0.4038 -0.04016 2010 5 13 55329 -0.0368 0.4056 -0.04099 2010 5 14 55330 -0.0356 0.4074 -0.04165 2010 5 15 55331 -0.0343 0.4091 -0.04216 2010 5 16 55332 -0.0330 0.4109 -0.04259 2010 5 17 55333 -0.0317 0.4126 -0.04301 2010 5 18 55334 -0.0303 0.4143 -0.04352 2010 5 19 55335 -0.0290 0.4160 -0.04421 2010 5 20 55336 -0.0276 0.4176 -0.04510 2010 5 21 55337 -0.0261 0.4192 -0.04617 2010 5 22 55338 -0.0247 0.4208 -0.04735 2010 5 23 55339 -0.0232 0.4224 -0.04853 2010 5 24 55340 -0.0217 0.4240 -0.04961 2010 5 25 55341 -0.0201 0.4255 -0.05049 2010 5 26 55342 -0.0186 0.4270 -0.05112 2010 5 27 55343 -0.0170 0.4285 -0.05150 2010 5 28 55344 -0.0154 0.4299 -0.05169 2010 5 29 55345 -0.0138 0.4314 -0.05175 2010 5 30 55346 -0.0122 0.4328 -0.05178 2010 5 31 55347 -0.0105 0.4342 -0.05185 2010 6 1 55348 -0.0088 0.4355 -0.05200 2010 6 2 55349 -0.0071 0.4368 -0.05226 2010 6 3 55350 -0.0054 0.4381 -0.05263 2010 6 4 55351 -0.0037 0.4394 -0.05309 2010 6 5 55352 -0.0019 0.4407 -0.05361 2010 6 6 55353 -0.0001 0.4419 -0.05414 2010 6 7 55354 0.0017 0.4431 -0.05464 2010 6 8 55355 0.0035 0.4442 -0.05506 2010 6 9 55356 0.0053 0.4454 -0.05535 2010 6 10 55357 0.0071 0.4465 -0.05549 2010 6 11 55358 0.0090 0.4475 -0.05548 2010 6 12 55359 0.0108 0.4486 -0.05537 2010 6 13 55360 0.0127 0.4496 -0.05524 2010 6 14 55361 0.0146 0.4506 -0.05520 2010 6 15 55362 0.0165 0.4516 -0.05533 2010 6 16 55363 0.0185 0.4525 -0.05569 2010 6 17 55364 0.0204 0.4534 -0.05625 2010 6 18 55365 0.0223 0.4542 -0.05694 2010 6 19 55366 0.0243 0.4551 -0.05765 2010 6 20 55367 0.0263 0.4559 -0.05827 2010 6 21 55368 0.0282 0.4567 -0.05872 2010 6 22 55369 0.0302 0.4574 -0.05893 2010 6 23 55370 0.0322 0.4581 -0.05891 2010 6 24 55371 0.0342 0.4588 -0.05869 2010 6 25 55372 0.0362 0.4594 -0.05834 2010 6 26 55373 0.0382 0.4601 -0.05795 2010 6 27 55374 0.0402 0.4607 -0.05757 2010 6 28 55375 0.0423 0.4612 -0.05728 2010 6 29 55376 0.0443 0.4617 -0.05710 2010 6 30 55377 0.0463 0.4622 -0.05704 2010 7 1 55378 0.0484 0.4627 -0.05708 2010 7 2 55379 0.0504 0.4631 -0.05721 2010 7 3 55380 0.0524 0.4635 -0.05736 2010 7 4 55381 0.0545 0.4639 -0.05751 2010 7 5 55382 0.0565 0.4642 -0.05759 2010 7 6 55383 0.0586 0.4645 -0.05757 2010 7 7 55384 0.0606 0.4648 -0.05741 2010 7 8 55385 0.0627 0.4650 -0.05713 2010 7 9 55386 0.0647 0.4652 -0.05673 2010 7 10 55387 0.0668 0.4654 -0.05630 2010 7 11 55388 0.0688 0.4656 -0.05593 2010 7 12 55389 0.0708 0.4657 -0.05572 2010 7 13 55390 0.0729 0.4658 -0.05575 2010 7 14 55391 0.0749 0.4658 -0.05604 2010 7 15 55392 0.0769 0.4658 -0.05652 2010 7 16 55393 0.0789 0.4658 -0.05707 2010 7 17 55394 0.0810 0.4658 -0.05755 2010 7 18 55395 0.0830 0.4657 -0.05785 2010 7 19 55396 0.0850 0.4656 -0.05790 2010 7 20 55397 0.0870 0.4654 -0.05772 2010 7 21 55398 0.0890 0.4653 -0.05733 2010 7 22 55399 0.0909 0.4651 -0.05682 2010 7 23 55400 0.0929 0.4648 -0.05624 2010 7 24 55401 0.0949 0.4646 -0.05569 2010 7 25 55402 0.0968 0.4643 -0.05522 2010 7 26 55403 0.0988 0.4640 -0.05487 2010 7 27 55404 0.1007 0.4636 -0.05466 2010 7 28 55405 0.1026 0.4632 -0.05457 2010 7 29 55406 0.1045 0.4628 -0.05458 2010 7 30 55407 0.1064 0.4624 -0.05465 2010 7 31 55408 0.1083 0.4619 -0.05473 2010 8 1 55409 0.1102 0.4614 -0.05478 2010 8 2 55410 0.1121 0.4609 -0.05474 2010 8 3 55411 0.1139 0.4604 -0.05459 2010 8 4 55412 0.1157 0.4598 -0.05433 2010 8 5 55413 0.1176 0.4592 -0.05397 2010 8 6 55414 0.1194 0.4585 -0.05356 2010 8 7 55415 0.1211 0.4579 -0.05319 2010 8 8 55416 0.1229 0.4572 -0.05296 2010 8 9 55417 0.1247 0.4564 -0.05298 2010 8 10 55418 0.1264 0.4557 -0.05328 2010 8 11 55419 0.1281 0.4549 -0.05385 2010 8 12 55420 0.1298 0.4541 -0.05458 2010 8 13 55421 0.1315 0.4533 -0.05533 2010 8 14 55422 0.1332 0.4525 -0.05594 2010 8 15 55423 0.1348 0.4516 -0.05631 2010 8 16 55424 0.1364 0.4507 -0.05643 2010 8 17 55425 0.1380 0.4498 -0.05632 2010 8 18 55426 0.1396 0.4488 -0.05605 2010 8 19 55427 0.1412 0.4478 -0.05572 2010 8 20 55428 0.1427 0.4468 -0.05541 2010 8 21 55429 0.1442 0.4458 -0.05517 2010 8 22 55430 0.1457 0.4448 -0.05505 2010 8 23 55431 0.1472 0.4437 -0.05507 2010 8 24 55432 0.1486 0.4426 -0.05524 2010 8 25 55433 0.1501 0.4415 -0.05552 2010 8 26 55434 0.1515 0.4404 -0.05588 2010 8 27 55435 0.1528 0.4392 -0.05626 2010 8 28 55436 0.1542 0.4381 -0.05662 2010 8 29 55437 0.1555 0.4369 -0.05691 2010 8 30 55438 0.1568 0.4356 -0.05709 2010 8 31 55439 0.1581 0.4344 -0.05715 2010 9 1 55440 0.1594 0.4332 -0.05709 2010 9 2 55441 0.1606 0.4319 -0.05695 2010 9 3 55442 0.1618 0.4306 -0.05678 2010 9 4 55443 0.1630 0.4293 -0.05669 2010 9 5 55444 0.1641 0.4280 -0.05675 2010 9 6 55445 0.1653 0.4266 -0.05705 2010 9 7 55446 0.1664 0.4253 -0.05760 2010 9 8 55447 0.1674 0.4239 -0.05835 2010 9 9 55448 0.1685 0.4225 -0.05918 2010 9 10 55449 0.1695 0.4211 -0.05995 2010 9 11 55450 0.1705 0.4197 -0.06054 2010 9 12 55451 0.1714 0.4183 -0.06090 2010 9 13 55452 0.1724 0.4168 -0.06105 2010 9 14 55453 0.1733 0.4153 -0.06107 2010 9 15 55454 0.1742 0.4139 -0.06104 2010 9 16 55455 0.1750 0.4124 -0.06106 2010 9 17 55456 0.1758 0.4109 -0.06118 2010 9 18 55457 0.1766 0.4094 -0.06146 2010 9 19 55458 0.1774 0.4078 -0.06191 2010 9 20 55459 0.1781 0.4063 -0.06253 2010 9 21 55460 0.1788 0.4048 -0.06332 2010 9 22 55461 0.1795 0.4032 -0.06423 2010 9 23 55462 0.1801 0.4016 -0.06522 2010 9 24 55463 0.1808 0.4001 -0.06622 2010 9 25 55464 0.1813 0.3985 -0.06718 2010 9 26 55465 0.1819 0.3969 -0.06807 2010 9 27 55466 0.1824 0.3953 -0.06885 2010 9 28 55467 0.1829 0.3937 -0.06952 2010 9 29 55468 0.1834 0.3921 -0.07011 2010 9 30 55469 0.1838 0.3905 -0.07067 2010 10 1 55470 0.1842 0.3888 -0.07127 2010 10 2 55471 0.1846 0.3872 -0.07202 2010 10 3 55472 0.1850 0.3856 -0.07299 2010 10 4 55473 0.1853 0.3839 -0.07424 2010 10 5 55474 0.1856 0.3823 -0.07576 2010 10 6 55475 0.1858 0.3806 -0.07747 2010 10 7 55476 0.1860 0.3790 -0.07923 2010 10 8 55477 0.1862 0.3773 -0.08092 2010 10 9 55478 0.1864 0.3757 -0.08243 2010 10 10 55479 0.1865 0.3740 -0.08371 2010 10 11 55480 0.1866 0.3724 -0.08479 2010 10 12 55481 0.1867 0.3707 -0.08573 2010 10 13 55482 0.1868 0.3691 -0.08661 2010 10 14 55483 0.1868 0.3674 -0.08750 2010 10 15 55484 0.1868 0.3657 -0.08845 2010 10 16 55485 0.1867 0.3641 -0.08953 2010 10 17 55486 0.1867 0.3624 -0.09069 2010 10 18 55487 0.1866 0.3608 -0.09196 2010 10 19 55488 0.1865 0.3591 -0.09336 2010 10 20 55489 0.1863 0.3575 -0.09480 2010 10 21 55490 0.1861 0.3559 -0.09620 2010 10 22 55491 0.1859 0.3542 -0.09757 2010 10 23 55492 0.1857 0.3526 -0.09888 2010 10 24 55493 0.1854 0.3509 -0.10010 2010 10 25 55494 0.1851 0.3493 -0.10120 2010 10 26 55495 0.1848 0.3477 -0.10221 2010 10 27 55496 0.1844 0.3461 -0.10311 2010 10 28 55497 0.1840 0.3445 -0.10397 2010 10 29 55498 0.1836 0.3429 -0.10490 2010 10 30 55499 0.1832 0.3413 -0.10598 2010 10 31 55500 0.1827 0.3397 -0.10729 2010 11 1 55501 0.1822 0.3381 -0.10891 2010 11 2 55502 0.1817 0.3366 -0.11076 2010 11 3 55503 0.1812 0.3350 -0.11270 2010 11 4 55504 0.1806 0.3335 -0.11455 2010 11 5 55505 0.1800 0.3319 -0.11619 2010 11 6 55506 0.1794 0.3304 -0.11753 2010 11 7 55507 0.1787 0.3289 -0.11861 2010 11 8 55508 0.1781 0.3274 -0.11947 2010 11 9 55509 0.1774 0.3259 -0.12021 2010 11 10 55510 0.1766 0.3244 -0.12096 2010 11 11 55511 0.1759 0.3229 -0.12178 2010 11 12 55512 0.1751 0.3215 -0.12267 2010 11 13 55513 0.1743 0.3200 -0.12371 2010 11 14 55514 0.1735 0.3186 -0.12486 2010 11 15 55515 0.1727 0.3172 -0.12608 2010 11 16 55516 0.1718 0.3158 -0.12737 2010 11 17 55517 0.1709 0.3144 -0.12867 2010 11 18 55518 0.1700 0.3130 -0.12993 2010 11 19 55519 0.1691 0.3116 -0.13110 2010 11 20 55520 0.1682 0.3103 -0.13211 2010 11 21 55521 0.1672 0.3089 -0.13298 2010 11 22 55522 0.1662 0.3076 -0.13374 2010 11 23 55523 0.1652 0.3063 -0.13443 2010 11 24 55524 0.1642 0.3051 -0.13512 2010 11 25 55525 0.1631 0.3038 -0.13588 2010 11 26 55526 0.1620 0.3025 -0.13678 2010 11 27 55527 0.1610 0.3013 -0.13789 2010 11 28 55528 0.1599 0.3001 -0.13924 2010 11 29 55529 0.1587 0.2989 -0.14085 2010 11 30 55530 0.1576 0.2977 -0.14261 2010 12 1 55531 0.1564 0.2966 -0.14441 2010 12 2 55532 0.1553 0.2954 -0.14612 2010 12 3 55533 0.1541 0.2943 -0.14764 2010 12 4 55534 0.1529 0.2932 -0.14894 2010 12 5 55535 0.1516 0.2921 -0.15004 2010 12 6 55536 0.1504 0.2911 -0.15101 2010 12 7 55537 0.1491 0.2900 -0.15191 2010 12 8 55538 0.1479 0.2890 -0.15285 2010 12 9 55539 0.1466 0.2880 -0.15392 2010 12 10 55540 0.1453 0.2870 -0.15512 2010 12 11 55541 0.1440 0.2861 -0.15642 2010 12 12 55542 0.1426 0.2851 -0.15777 2010 12 13 55543 0.1413 0.2842 -0.15916 2010 12 14 55544 0.1400 0.2833 -0.16054 2010 12 15 55545 0.1386 0.2824 -0.16186 2010 12 16 55546 0.1372 0.2816 -0.16310 2010 12 17 55547 0.1359 0.2808 -0.16421 2010 12 18 55548 0.1345 0.2800 -0.16521 2010 12 19 55549 0.1331 0.2792 -0.16609 2010 12 20 55550 0.1316 0.2784 -0.16688 2010 12 21 55551 0.1302 0.2777 -0.16765 2010 12 22 55552 0.1288 0.2769 -0.16850 2010 12 23 55553 0.1274 0.2762 -0.16951 2010 12 24 55554 0.1259 0.2756 -0.17069 2010 12 25 55555 0.1245 0.2749 -0.17206 2010 12 26 55556 0.1230 0.2743 -0.17361 2010 12 27 55557 0.1215 0.2737 -0.17527 2010 12 28 55558 0.1201 0.2731 -0.17694 2010 12 29 55559 0.1186 0.2726 -0.17848 2010 12 30 55560 0.1171 0.2720 -0.17979 2010 12 31 55561 0.1156 0.2715 -0.18083 2011 1 1 55562 0.1142 0.2710 -0.18169 2011 1 2 55563 0.1127 0.2706 -0.18238 2011 1 3 55564 0.1112 0.2701 -0.18294 2011 1 4 55565 0.1097 0.2697 -0.18345 2011 1 5 55566 0.1082 0.2693 -0.18398 2011 1 6 55567 0.1067 0.2690 -0.18465 2011 1 7 55568 0.1052 0.2686 -0.18546 2011 1 8 55569 0.1037 0.2683 -0.18637 2011 1 9 55570 0.1022 0.2680 -0.18733 2011 1 10 55571 0.1006 0.2677 -0.18831 2011 1 11 55572 0.0991 0.2675 -0.18926 2011 1 12 55573 0.0976 0.2673 -0.19013 2011 1 13 55574 0.0961 0.2671 -0.19090 2011 1 14 55575 0.0946 0.2669 -0.19155 2011 1 15 55576 0.0931 0.2667 -0.19215 2011 1 16 55577 0.0916 0.2666 -0.19272 2011 1 17 55578 0.0902 0.2665 -0.19327 2011 1 18 55579 0.0887 0.2664 -0.19388 2011 1 19 55580 0.0872 0.2663 -0.19461 2011 1 20 55581 0.0857 0.2663 -0.19553 2011 1 21 55582 0.0842 0.2663 -0.19669 2011 1 22 55583 0.0828 0.2663 -0.19808 2011 1 23 55584 0.0813 0.2663 -0.19964 2011 1 24 55585 0.0798 0.2664 -0.20120 2011 1 25 55586 0.0784 0.2665 -0.20265 2011 1 26 55587 0.0769 0.2666 -0.20387 2011 1 27 55588 0.0755 0.2667 -0.20484 2011 1 28 55589 0.0741 0.2668 -0.20558 2011 1 29 55590 0.0726 0.2670 -0.20616 2011 1 30 55591 0.0712 0.2672 -0.20668 2011 1 31 55592 0.0698 0.2674 -0.20719 2011 2 1 55593 0.0684 0.2676 -0.20773 2011 2 2 55594 0.0670 0.2679 -0.20833 2011 2 3 55595 0.0656 0.2682 -0.20905 2011 2 4 55596 0.0643 0.2685 -0.20990 2011 2 5 55597 0.0629 0.2688 -0.21085 2011 2 6 55598 0.0616 0.2691 -0.21181 2011 2 7 55599 0.0602 0.2695 -0.21274 2011 2 8 55600 0.0589 0.2699 -0.21360 2011 2 9 55601 0.0576 0.2703 -0.21441 2011 2 10 55602 0.0563 0.2707 -0.21516 2011 2 11 55603 0.0550 0.2711 -0.21580 2011 2 12 55604 0.0537 0.2716 -0.21631 2011 2 13 55605 0.0525 0.2721 -0.21675 2011 2 14 55606 0.0512 0.2726 -0.21716 2011 2 15 55607 0.0500 0.2731 -0.21760 2011 2 16 55608 0.0488 0.2737 -0.21814 2011 2 17 55609 0.0476 0.2742 -0.21891 2011 2 18 55610 0.0464 0.2748 -0.22000 2011 2 19 55611 0.0452 0.2754 -0.22137 2011 2 20 55612 0.0440 0.2760 -0.22285 2011 2 21 55613 0.0429 0.2766 -0.22427 2011 2 22 55614 0.0418 0.2773 -0.22552 2011 2 23 55615 0.0407 0.2780 -0.22653 2011 2 24 55616 0.0396 0.2786 -0.22732 2011 2 25 55617 0.0385 0.2793 -0.22794 2011 2 26 55618 0.0374 0.2801 -0.22847 2011 2 27 55619 0.0364 0.2808 -0.22899 2011 2 28 55620 0.0354 0.2815 -0.22961 2011 3 1 55621 0.0344 0.2823 -0.23035 2011 3 2 55622 0.0334 0.2831 -0.23119 2011 3 3 55623 0.0324 0.2839 -0.23212 2011 3 4 55624 0.0314 0.2847 -0.23309 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) 55240 -64.63 0.14 -6.42 0.34 55241 -64.39 0.14 -6.17 0.34 55242 -64.29 0.10 -6.12 0.34 55243 -64.34 0.74 -6.30 0.34 55244 -64.45 0.10 -6.54 0.34 55245 -64.48 0.10 -6.68 0.34 55246 -64.42 0.10 -6.75 0.34 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 55200 -64.1 -5.2 55201 -64.3 -5.5 55202 -64.4 -5.6 55203 -64.4 -5.5 55204 -64.5 -5.3 55205 -64.7 -5.2 55206 -65.0 -5.2 55207 -65.2 -5.3 55208 -65.2 -5.5 55209 -65.0 -5.6 55210 -64.7 -5.7 55211 -64.3 -5.6 55212 -64.1 -5.3 55213 -63.9 -5.0 55214 -63.8 -5.0 55215 -63.9 -5.1 55216 -64.2 -5.3 55217 -64.3 -5.4 55218 -64.3 -5.5 55219 -64.4 -5.6 55220 -64.7 -5.6 55221 -65.0 -5.4 55222 -65.5 -5.3 55223 -66.0 -5.4 55224 -66.1 -5.8 55225 -65.6 -6.2 55226 -64.9 -6.2 55227 -64.4 -6.0 55228 -64.3 -5.9 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55240 -0.144 0.056 -0.341 0.340 55241 -0.138 0.056 -0.308 0.340 55242 -0.146 0.040 -0.294 0.340 55243 -0.166 0.294 -0.290 0.340 55244 -0.191 0.040 -0.274 0.340 55245 -0.206 0.040 -0.241 0.340 55246 -0.215 0.040 -0.230 0.340 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 55200 0.11 -0.10 55201 0.05 -0.26 55202 0.00 -0.35 55203 0.02 -0.40 55204 0.04 -0.34 55205 0.02 -0.24 55206 -0.05 -0.15 55207 -0.09 -0.14 55208 -0.09 -0.24 55209 -0.05 -0.24 55210 0.00 -0.32 55211 0.08 -0.35 55212 0.07 -0.31 55213 0.07 -0.23 55214 0.09 -0.28 55215 0.09 -0.27 55216 0.03 -0.36 55217 0.00 -0.37 55218 0.00 -0.35 55219 -0.01 -0.25 55220 -0.02 -0.13 55221 0.01 -0.05 55222 -0.01 -0.18 55223 -0.06 -0.29 55224 -0.10 -0.37 55225 -0.12 -0.41 55226 -0.13 -0.37 55227 -0.13 -0.37 55228 -0.14 -0.40 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.