********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 11 February 2010 Vol. XXIII No. 006 ______________________________________________________________________ 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 5 55232 0.00089 .00009 0.21274 .00009 0.081005 0.000014 10 2 6 55233 -.00107 .00009 0.21334 .00009 0.079858 0.000012 10 2 7 55234 -.00291 .00010 0.21405 .00009 0.078926 0.000009 10 2 8 55235 -.00479 .00010 0.21500 .00009 0.078176 0.000032 10 2 9 55236 -.00650 .00010 0.21623 .00009 0.077556 0.000037 10 2 10 55237 -.00830 .00010 0.21778 .00009 0.076982 0.000048 10 2 11 55238 -.01075 .00009 0.21941 .00009 0.076358 0.000057 IERS Final Values MJD x y UT1-UTC " " s 9 12 3 55168 0.1618 0.2063 0.14060 9 12 4 55169 0.1590 0.2048 0.13994 9 12 5 55170 0.1566 0.2034 0.13917 9 12 6 55171 0.1544 0.2022 0.13824 9 12 7 55172 0.1522 0.2013 0.13713 9 12 8 55173 0.1497 0.2006 0.13583 9 12 9 55174 0.1472 0.1997 0.13441 9 12 10 55175 0.1451 0.1987 0.13301 9 12 11 55176 0.1426 0.1978 0.13176 9 12 12 55177 0.1402 0.1968 0.13073 9 12 13 55178 0.1383 0.1962 0.12990 9 12 14 55179 0.1362 0.1960 0.12920 9 12 15 55180 0.1332 0.1957 0.12859 9 12 16 55181 0.1305 0.1952 0.12802 9 12 17 55182 0.1278 0.1947 0.12741 9 12 18 55183 0.1254 0.1941 0.12675 9 12 19 55184 0.1234 0.1937 0.12602 9 12 20 55185 0.1217 0.1937 0.12513 9 12 21 55186 0.1200 0.1936 0.12406 9 12 22 55187 0.1181 0.1933 0.12285 9 12 23 55188 0.1160 0.1930 0.12153 9 12 24 55189 0.1138 0.1926 0.12020 9 12 25 55190 0.1121 0.1921 0.11896 9 12 26 55191 0.1104 0.1919 0.11782 9 12 27 55192 0.1086 0.1918 0.11678 9 12 28 55193 0.1068 0.1919 0.11592 9 12 29 55194 0.1048 0.1919 0.11529 9 12 30 55195 0.1028 0.1921 0.11486 9 12 31 55196 0.1007 0.1923 0.11450 10 1 1 55197 0.0987 0.1929 0.11407 10 1 2 55198 0.0966 0.1933 0.11344 10 1 3 55199 0.0947 0.1932 0.11251 _______________________________________________________________________ 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 = 0.0789 - 0.1297 cos A - 0.0008 sin A + 0.0395 cos C - 0.1181 sin C y = 0.3413 - 0.0030 cos A + 0.1162 sin A - 0.1181 cos C - 0.0395 sin C UT1-UTC = 0.0721 - 0.00089 (MJD - 55246) - (UT2-UT1) where A = 2*pi*(MJD-55238)/365.25 and C = 2*pi*(MJD-55238)/435. TAI-UTC(MJD 55239) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55238)**0.80 S t = 0.00025 (MJD-55238)**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 2 12 55239 -0.0128 0.2209 0.07560 2010 2 13 55240 -0.0152 0.2223 0.07468 2010 2 14 55241 -0.0174 0.2237 0.07358 2010 2 15 55242 -0.0195 0.2251 0.07235 2010 2 16 55243 -0.0215 0.2266 0.07104 2010 2 17 55244 -0.0234 0.2281 0.06968 2010 2 18 55245 -0.0253 0.2297 0.06832 2010 2 19 55246 -0.0271 0.2313 0.06704 2010 2 20 55247 -0.0289 0.2330 0.06587 2010 2 21 55248 -0.0306 0.2346 0.06485 2010 2 22 55249 -0.0323 0.2363 0.06396 2010 2 23 55250 -0.0340 0.2381 0.06315 2010 2 24 55251 -0.0356 0.2398 0.06232 2010 2 25 55252 -0.0372 0.2416 0.06133 2010 2 26 55253 -0.0388 0.2434 0.06006 2010 2 27 55254 -0.0403 0.2453 0.05846 2010 2 28 55255 -0.0418 0.2471 0.05655 2010 3 1 55256 -0.0433 0.2490 0.05447 2010 3 2 55257 -0.0447 0.2509 0.05239 2010 3 3 55258 -0.0461 0.2528 0.05046 2010 3 4 55259 -0.0475 0.2547 0.04878 2010 3 5 55260 -0.0488 0.2567 0.04738 2010 3 6 55261 -0.0501 0.2587 0.04625 2010 3 7 55262 -0.0513 0.2607 0.04530 2010 3 8 55263 -0.0525 0.2627 0.04445 2010 3 9 55264 -0.0537 0.2647 0.04363 2010 3 10 55265 -0.0549 0.2668 0.04276 2010 3 11 55266 -0.0560 0.2688 0.04180 2010 3 12 55267 -0.0570 0.2709 0.04070 2010 3 13 55268 -0.0581 0.2730 0.03946 2010 3 14 55269 -0.0591 0.2751 0.03808 2010 3 15 55270 -0.0600 0.2773 0.03662 2010 3 16 55271 -0.0609 0.2794 0.03512 2010 3 17 55272 -0.0618 0.2816 0.03364 2010 3 18 55273 -0.0626 0.2837 0.03223 2010 3 19 55274 -0.0634 0.2859 0.03092 2010 3 20 55275 -0.0642 0.2881 0.02975 2010 3 21 55276 -0.0649 0.2903 0.02869 2010 3 22 55277 -0.0656 0.2925 0.02771 2010 3 23 55278 -0.0662 0.2947 0.02674 2010 3 24 55279 -0.0668 0.2970 0.02569 2010 3 25 55280 -0.0674 0.2992 0.02445 2010 3 26 55281 -0.0679 0.3014 0.02296 2010 3 27 55282 -0.0684 0.3037 0.02120 2010 3 28 55283 -0.0689 0.3060 0.01924 2010 3 29 55284 -0.0693 0.3082 0.01718 2010 3 30 55285 -0.0696 0.3105 0.01517 2010 3 31 55286 -0.0700 0.3128 0.01336 2010 4 1 55287 -0.0702 0.3151 0.01180 2010 4 2 55288 -0.0705 0.3173 0.01052 2010 4 3 55289 -0.0707 0.3196 0.00945 2010 4 4 55290 -0.0709 0.3219 0.00852 2010 4 5 55291 -0.0710 0.3242 0.00764 2010 4 6 55292 -0.0711 0.3265 0.00674 2010 4 7 55293 -0.0711 0.3288 0.00578 2010 4 8 55294 -0.0711 0.3311 0.00471 2010 4 9 55295 -0.0711 0.3334 0.00352 2010 4 10 55296 -0.0711 0.3357 0.00221 2010 4 11 55297 -0.0709 0.3379 0.00082 2010 4 12 55298 -0.0708 0.3402 -0.00061 2010 4 13 55299 -0.0706 0.3425 -0.00204 2010 4 14 55300 -0.0704 0.3448 -0.00341 2010 4 15 55301 -0.0701 0.3471 -0.00466 2010 4 16 55302 -0.0698 0.3493 -0.00576 2010 4 17 55303 -0.0695 0.3516 -0.00670 2010 4 18 55304 -0.0691 0.3538 -0.00752 2010 4 19 55305 -0.0687 0.3561 -0.00827 2010 4 20 55306 -0.0683 0.3583 -0.00906 2010 4 21 55307 -0.0678 0.3606 -0.00998 2010 4 22 55308 -0.0672 0.3628 -0.01110 2010 4 23 55309 -0.0667 0.3650 -0.01245 2010 4 24 55310 -0.0661 0.3672 -0.01400 2010 4 25 55311 -0.0654 0.3694 -0.01566 2010 4 26 55312 -0.0648 0.3716 -0.01733 2010 4 27 55313 -0.0641 0.3738 -0.01886 2010 4 28 55314 -0.0633 0.3759 -0.02017 2010 4 29 55315 -0.0625 0.3781 -0.02122 2010 4 30 55316 -0.0617 0.3802 -0.02203 2010 5 1 55317 -0.0609 0.3824 -0.02267 2010 5 2 55318 -0.0600 0.3845 -0.02322 2010 5 3 55319 -0.0591 0.3866 -0.02376 2010 5 4 55320 -0.0581 0.3887 -0.02436 2010 5 5 55321 -0.0571 0.3907 -0.02504 2010 5 6 55322 -0.0561 0.3928 -0.02585 2010 5 7 55323 -0.0551 0.3948 -0.02676 2010 5 8 55324 -0.0540 0.3968 -0.02777 2010 5 9 55325 -0.0529 0.3988 -0.02884 2010 5 10 55326 -0.0517 0.4008 -0.02992 2010 5 11 55327 -0.0505 0.4028 -0.03095 2010 5 12 55328 -0.0493 0.4047 -0.03188 2010 5 13 55329 -0.0481 0.4066 -0.03267 2010 5 14 55330 -0.0468 0.4085 -0.03330 2010 5 15 55331 -0.0455 0.4104 -0.03379 2010 5 16 55332 -0.0442 0.4123 -0.03420 2010 5 17 55333 -0.0428 0.4141 -0.03462 2010 5 18 55334 -0.0414 0.4160 -0.03514 2010 5 19 55335 -0.0400 0.4178 -0.03585 2010 5 20 55336 -0.0386 0.4195 -0.03676 2010 5 21 55337 -0.0371 0.4213 -0.03787 2010 5 22 55338 -0.0356 0.4230 -0.03908 2010 5 23 55339 -0.0341 0.4247 -0.04030 2010 5 24 55340 -0.0325 0.4264 -0.04142 2010 5 25 55341 -0.0309 0.4281 -0.04235 2010 5 26 55342 -0.0293 0.4297 -0.04304 2010 5 27 55343 -0.0277 0.4313 -0.04349 2010 5 28 55344 -0.0261 0.4329 -0.04375 2010 5 29 55345 -0.0244 0.4345 -0.04390 2010 5 30 55346 -0.0227 0.4360 -0.04401 2010 5 31 55347 -0.0210 0.4375 -0.04415 2010 6 1 55348 -0.0192 0.4390 -0.04437 2010 6 2 55349 -0.0174 0.4404 -0.04470 2010 6 3 55350 -0.0157 0.4418 -0.04514 2010 6 4 55351 -0.0139 0.4432 -0.04567 2010 6 5 55352 -0.0120 0.4446 -0.04626 2010 6 6 55353 -0.0102 0.4459 -0.04686 2010 6 7 55354 -0.0083 0.4473 -0.04743 2010 6 8 55355 -0.0064 0.4485 -0.04792 2010 6 9 55356 -0.0045 0.4498 -0.04828 2010 6 10 55357 -0.0026 0.4510 -0.04849 2010 6 11 55358 -0.0007 0.4522 -0.04854 2010 6 12 55359 0.0012 0.4534 -0.04850 2010 6 13 55360 0.0032 0.4545 -0.04843 2010 6 14 55361 0.0052 0.4556 -0.04844 2010 6 15 55362 0.0072 0.4567 -0.04862 2010 6 16 55363 0.0092 0.4577 -0.04902 2010 6 17 55364 0.0112 0.4587 -0.04962 2010 6 18 55365 0.0132 0.4597 -0.05035 2010 6 19 55366 0.0153 0.4606 -0.05109 2010 6 20 55367 0.0173 0.4615 -0.05173 2010 6 21 55368 0.0194 0.4624 -0.05218 2010 6 22 55369 0.0215 0.4633 -0.05239 2010 6 23 55370 0.0236 0.4641 -0.05237 2010 6 24 55371 0.0256 0.4649 -0.05215 2010 6 25 55372 0.0277 0.4656 -0.05180 2010 6 26 55373 0.0299 0.4664 -0.05140 2010 6 27 55374 0.0320 0.4670 -0.05103 2010 6 28 55375 0.0341 0.4677 -0.05073 2010 6 29 55376 0.0362 0.4683 -0.05055 2010 6 30 55377 0.0384 0.4689 -0.05048 2010 7 1 55378 0.0405 0.4695 -0.05053 2010 7 2 55379 0.0426 0.4700 -0.05065 2010 7 3 55380 0.0448 0.4705 -0.05081 2010 7 4 55381 0.0469 0.4709 -0.05095 2010 7 5 55382 0.0491 0.4714 -0.05103 2010 7 6 55383 0.0512 0.4718 -0.05100 2010 7 7 55384 0.0534 0.4721 -0.05085 2010 7 8 55385 0.0555 0.4724 -0.05056 2010 7 9 55386 0.0577 0.4727 -0.05017 2010 7 10 55387 0.0599 0.4730 -0.04973 2010 7 11 55388 0.0620 0.4732 -0.04937 2010 7 12 55389 0.0642 0.4734 -0.04916 2010 7 13 55390 0.0663 0.4736 -0.04921 2010 7 14 55391 0.0685 0.4737 -0.04951 2010 7 15 55392 0.0706 0.4738 -0.05000 2010 7 16 55393 0.0727 0.4739 -0.05056 2010 7 17 55394 0.0749 0.4739 -0.05106 2010 7 18 55395 0.0770 0.4739 -0.05137 2010 7 19 55396 0.0791 0.4738 -0.05145 2010 7 20 55397 0.0813 0.4738 -0.05128 2010 7 21 55398 0.0834 0.4737 -0.05092 2010 7 22 55399 0.0855 0.4735 -0.05043 2010 7 23 55400 0.0876 0.4734 -0.04988 2010 7 24 55401 0.0897 0.4732 -0.04936 2010 7 25 55402 0.0917 0.4729 -0.04892 2010 7 26 55403 0.0938 0.4727 -0.04860 2010 7 27 55404 0.0959 0.4724 -0.04841 2010 7 28 55405 0.0979 0.4721 -0.04835 2010 7 29 55406 0.1000 0.4717 -0.04840 2010 7 30 55407 0.1020 0.4713 -0.04849 2010 7 31 55408 0.1040 0.4709 -0.04860 2010 8 1 55409 0.1060 0.4705 -0.04866 2010 8 2 55410 0.1080 0.4700 -0.04865 2010 8 3 55411 0.1100 0.4695 -0.04852 2010 8 4 55412 0.1119 0.4689 -0.04827 2010 8 5 55413 0.1139 0.4684 -0.04791 2010 8 6 55414 0.1158 0.4678 -0.04749 2010 8 7 55415 0.1177 0.4671 -0.04711 2010 8 8 55416 0.1196 0.4665 -0.04685 2010 8 9 55417 0.1215 0.4658 -0.04682 2010 8 10 55418 0.1234 0.4651 -0.04707 2010 8 11 55419 0.1252 0.4643 -0.04756 2010 8 12 55420 0.1270 0.4636 -0.04818 2010 8 13 55421 0.1289 0.4628 -0.04879 2010 8 14 55422 0.1306 0.4619 -0.04923 2010 8 15 55423 0.1324 0.4611 -0.04940 2010 8 16 55424 0.1342 0.4602 -0.04927 2010 8 17 55425 0.1359 0.4593 -0.04888 2010 8 18 55426 0.1376 0.4584 -0.04832 2010 8 19 55427 0.1393 0.4574 -0.04768 2010 8 20 55428 0.1410 0.4564 -0.04707 2010 8 21 55429 0.1426 0.4554 -0.04657 2010 8 22 55430 0.1443 0.4544 -0.04625 2010 8 23 55431 0.1459 0.4533 -0.04613 2010 8 24 55432 0.1475 0.4522 -0.04623 2010 8 25 55433 0.1490 0.4511 -0.04650 2010 8 26 55434 0.1506 0.4500 -0.04690 2010 8 27 55435 0.1521 0.4489 -0.04737 2010 8 28 55436 0.1536 0.4477 -0.04786 2010 8 29 55437 0.1550 0.4465 -0.04830 2010 8 30 55438 0.1565 0.4453 -0.04867 2010 8 31 55439 0.1579 0.4440 -0.04894 2010 9 1 55440 0.1593 0.4428 -0.04913 2010 9 2 55441 0.1606 0.4415 -0.04927 2010 9 3 55442 0.1620 0.4402 -0.04945 2010 9 4 55443 0.1633 0.4389 -0.04974 2010 9 5 55444 0.1645 0.4375 -0.05026 2010 9 6 55445 0.1658 0.4362 -0.05108 2010 9 7 55446 0.1670 0.4348 -0.05219 2010 9 8 55447 0.1682 0.4334 -0.05355 2010 9 9 55448 0.1694 0.4320 -0.05501 2010 9 10 55449 0.1706 0.4306 -0.05643 2010 9 11 55450 0.1717 0.4291 -0.05767 2010 9 12 55451 0.1728 0.4276 -0.05866 2010 9 13 55452 0.1738 0.4262 -0.05940 2010 9 14 55453 0.1748 0.4247 -0.05994 2010 9 15 55454 0.1759 0.4232 -0.06036 2010 9 16 55455 0.1768 0.4216 -0.06072 2010 9 17 55456 0.1778 0.4201 -0.06109 2010 9 18 55457 0.1787 0.4185 -0.06155 2010 9 19 55458 0.1796 0.4170 -0.06215 2010 9 20 55459 0.1804 0.4154 -0.06293 2010 9 21 55460 0.1812 0.4138 -0.06390 2010 9 22 55461 0.1820 0.4122 -0.06497 2010 9 23 55462 0.1828 0.4106 -0.06606 2010 9 24 55463 0.1835 0.4090 -0.06709 2010 9 25 55464 0.1842 0.4073 -0.06800 2010 9 26 55465 0.1849 0.4057 -0.06882 2010 9 27 55466 0.1856 0.4040 -0.06951 2010 9 28 55467 0.1862 0.4024 -0.07006 2010 9 29 55468 0.1867 0.4007 -0.07056 2010 9 30 55469 0.1873 0.3990 -0.07106 2010 10 1 55470 0.1878 0.3973 -0.07160 2010 10 2 55471 0.1883 0.3956 -0.07232 2010 10 3 55472 0.1888 0.3939 -0.07328 2010 10 4 55473 0.1892 0.3922 -0.07452 2010 10 5 55474 0.1896 0.3905 -0.07605 2010 10 6 55475 0.1899 0.3888 -0.07775 2010 10 7 55476 0.1903 0.3871 -0.07951 2010 10 8 55477 0.1906 0.3853 -0.08115 2010 10 9 55478 0.1909 0.3836 -0.08253 2010 10 10 55479 0.1911 0.3819 -0.08363 2010 10 11 55480 0.1913 0.3801 -0.08451 2010 10 12 55481 0.1915 0.3784 -0.08525 2010 10 13 55482 0.1916 0.3767 -0.08592 2010 10 14 55483 0.1917 0.3749 -0.08660 2010 10 15 55484 0.1918 0.3732 -0.08736 2010 10 16 55485 0.1919 0.3714 -0.08824 2010 10 17 55486 0.1919 0.3697 -0.08928 2010 10 18 55487 0.1919 0.3679 -0.09055 2010 10 19 55488 0.1919 0.3662 -0.09197 2010 10 20 55489 0.1918 0.3645 -0.09353 2010 10 21 55490 0.1917 0.3627 -0.09511 2010 10 22 55491 0.1916 0.3610 -0.09666 2010 10 23 55492 0.1914 0.3593 -0.09812 2010 10 24 55493 0.1912 0.3575 -0.09948 2010 10 25 55494 0.1910 0.3558 -0.10073 2010 10 26 55495 0.1908 0.3541 -0.10184 2010 10 27 55496 0.1905 0.3524 -0.10290 2010 10 28 55497 0.1902 0.3507 -0.10403 2010 10 29 55498 0.1899 0.3490 -0.10530 2010 10 30 55499 0.1895 0.3473 -0.10675 2010 10 31 55500 0.1891 0.3456 -0.10839 2010 11 1 55501 0.1887 0.3439 -0.11025 2010 11 2 55502 0.1882 0.3422 -0.11227 2010 11 3 55503 0.1878 0.3405 -0.11435 2010 11 4 55504 0.1873 0.3389 -0.11638 2010 11 5 55505 0.1867 0.3372 -0.11821 2010 11 6 55506 0.1862 0.3356 -0.11983 2010 11 7 55507 0.1856 0.3339 -0.12119 2010 11 8 55508 0.1850 0.3323 -0.12237 2010 11 9 55509 0.1844 0.3307 -0.12343 2010 11 10 55510 0.1837 0.3291 -0.12451 2010 11 11 55511 0.1830 0.3275 -0.12564 2010 11 12 55512 0.1823 0.3259 -0.12683 2010 11 13 55513 0.1816 0.3244 -0.12811 2010 11 14 55514 0.1808 0.3228 -0.12951 2010 11 15 55515 0.1800 0.3213 -0.13100 2010 11 16 55516 0.1792 0.3197 -0.13258 2010 11 17 55517 0.1783 0.3182 -0.13417 2010 11 18 55518 0.1775 0.3167 -0.13567 2010 11 19 55519 0.1766 0.3152 -0.13703 2010 11 20 55520 0.1757 0.3138 -0.13829 2010 11 21 55521 0.1748 0.3123 -0.13939 2010 11 22 55522 0.1738 0.3108 -0.14032 2010 11 23 55523 0.1728 0.3094 -0.14109 2010 11 24 55524 0.1718 0.3080 -0.14180 2010 11 25 55525 0.1708 0.3066 -0.14260 2010 11 26 55526 0.1698 0.3052 -0.14359 2010 11 27 55527 0.1687 0.3039 -0.14478 2010 11 28 55528 0.1676 0.3025 -0.14615 2010 11 29 55529 0.1665 0.3012 -0.14768 2010 11 30 55530 0.1654 0.2999 -0.14928 2010 12 1 55531 0.1643 0.2986 -0.15082 2010 12 2 55532 0.1631 0.2973 -0.15221 2010 12 3 55533 0.1620 0.2961 -0.15339 2010 12 4 55534 0.1608 0.2948 -0.15441 2010 12 5 55535 0.1595 0.2936 -0.15528 2010 12 6 55536 0.1583 0.2924 -0.15603 2010 12 7 55537 0.1571 0.2912 -0.15675 2010 12 8 55538 0.1558 0.2901 -0.15750 2010 12 9 55539 0.1545 0.2889 -0.15830 2010 12 10 55540 0.1532 0.2878 -0.15920 2010 12 11 55541 0.1519 0.2867 -0.16020 2010 12 12 55542 0.1506 0.2856 -0.16132 2010 12 13 55543 0.1493 0.2846 -0.16248 2010 12 14 55544 0.1479 0.2835 -0.16364 2010 12 15 55545 0.1466 0.2825 -0.16475 2010 12 16 55546 0.1452 0.2815 -0.16576 2010 12 17 55547 0.1438 0.2806 -0.16663 2010 12 18 55548 0.1424 0.2796 -0.16738 2010 12 19 55549 0.1410 0.2787 -0.16803 2010 12 20 55550 0.1396 0.2778 -0.16858 2010 12 21 55551 0.1381 0.2769 -0.16905 2010 12 22 55552 0.1367 0.2761 -0.16953 2010 12 23 55553 0.1352 0.2752 -0.17015 2010 12 24 55554 0.1338 0.2744 -0.17098 2010 12 25 55555 0.1323 0.2736 -0.17204 2010 12 26 55556 0.1308 0.2729 -0.17324 2010 12 27 55557 0.1293 0.2721 -0.17448 2010 12 28 55558 0.1278 0.2714 -0.17568 2010 12 29 55559 0.1263 0.2707 -0.17678 2010 12 30 55560 0.1248 0.2700 -0.17771 2010 12 31 55561 0.1233 0.2694 -0.17841 2011 1 1 55562 0.1218 0.2688 -0.17888 2011 1 2 55563 0.1202 0.2682 -0.17919 2011 1 3 55564 0.1187 0.2676 -0.17941 2011 1 4 55565 0.1172 0.2670 -0.17955 2011 1 5 55566 0.1156 0.2665 -0.17968 2011 1 6 55567 0.1141 0.2660 -0.17989 2011 1 7 55568 0.1125 0.2655 -0.18028 2011 1 8 55569 0.1110 0.2651 -0.18082 2011 1 9 55570 0.1094 0.2646 -0.18145 2011 1 10 55571 0.1079 0.2642 -0.18210 2011 1 11 55572 0.1063 0.2639 -0.18274 2011 1 12 55573 0.1047 0.2635 -0.18332 2011 1 13 55574 0.1032 0.2632 -0.18383 2011 1 14 55575 0.1016 0.2629 -0.18426 2011 1 15 55576 0.1001 0.2626 -0.18457 2011 1 16 55577 0.0985 0.2623 -0.18481 2011 1 17 55578 0.0970 0.2621 -0.18506 2011 1 18 55579 0.0954 0.2619 -0.18538 2011 1 19 55580 0.0939 0.2617 -0.18581 2011 1 20 55581 0.0923 0.2615 -0.18642 2011 1 21 55582 0.0908 0.2614 -0.18722 2011 1 22 55583 0.0892 0.2613 -0.18822 2011 1 23 55584 0.0877 0.2612 -0.18936 2011 1 24 55585 0.0862 0.2611 -0.19053 2011 1 25 55586 0.0846 0.2610 -0.19160 2011 1 26 55587 0.0831 0.2610 -0.19250 2011 1 27 55588 0.0816 0.2610 -0.19316 2011 1 28 55589 0.0801 0.2611 -0.19361 2011 1 29 55590 0.0786 0.2611 -0.19391 2011 1 30 55591 0.0771 0.2612 -0.19416 2011 1 31 55592 0.0756 0.2613 -0.19441 2011 2 1 55593 0.0741 0.2614 -0.19474 2011 2 2 55594 0.0726 0.2615 -0.19515 2011 2 3 55595 0.0712 0.2617 -0.19568 2011 2 4 55596 0.0697 0.2619 -0.19638 2011 2 5 55597 0.0683 0.2621 -0.19718 2011 2 6 55598 0.0668 0.2623 -0.19807 2011 2 7 55599 0.0654 0.2626 -0.19900 2011 2 8 55600 0.0640 0.2629 -0.19985 2011 2 9 55601 0.0626 0.2632 -0.20054 2011 2 10 55602 0.0612 0.2635 -0.20104 2011 2 11 55603 0.0598 0.2638 -0.20138 These predictions are based on all announced leap seconds. IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 55168 -65.1 -5.7 55169 -64.8 -5.7 55170 -64.8 -5.6 55171 -65.0 -5.7 55172 -65.2 -5.8 55173 -65.2 -6.0 55174 -65.0 -6.0 55175 -64.9 -5.9 55176 -64.9 -5.6 55177 -65.2 -5.3 55178 -65.4 -5.3 55179 -65.5 -5.4 55180 -65.4 -5.6 55181 -65.2 -5.7 55182 -64.9 -5.6 55183 -64.6 -5.4 55184 -64.4 -5.1 55185 -64.1 -5.0 55186 -64.1 -5.1 55187 -64.1 -5.1 55188 -64.2 -5.0 55189 -64.4 -4.9 55190 -64.9 -5.1 55191 -65.5 -5.4 55192 -65.9 -5.6 55193 -65.9 -5.5 55194 -65.6 -5.2 55195 -65.1 -4.9 55196 -64.4 -4.8 55197 -63.8 -4.9 55198 -63.6 -4.9 55199 -63.8 -5.0 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 55168 0.19 -0.26 55169 0.22 -0.25 55170 0.19 -0.19 55171 0.13 -0.30 55172 0.10 -0.31 55173 0.11 -0.38 55174 0.15 -0.35 55175 0.15 -0.36 55176 0.14 -0.26 55177 0.08 -0.13 55178 0.07 -0.21 55179 0.06 -0.26 55180 0.05 -0.31 55181 0.04 -0.26 55182 0.07 -0.16 55183 0.10 -0.15 55184 0.07 -0.12 55185 0.09 -0.22 55186 0.05 -0.37 55187 0.09 -0.36 55188 0.12 -0.27 55189 0.09 -0.16 55190 -0.05 -0.20 55191 -0.21 -0.24 55192 -0.29 -0.29 55193 -0.25 -0.32 55194 -0.11 -0.30 55195 0.06 -0.11 55196 0.24 0.13 55197 0.30 0.19 55198 0.25 0.18 55199 0.17 0.02 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.