********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 22 March 2007 Vol. XX No. 012 ______________________________________________________________________ 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 15 March 2007 at 0000 UTC Beginning 1 January 2006: TAI-UTC(BIPM) = 33.000 000 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 7 3 16 54175 -.00285 .00010 .46185 .00011 -.044213 .000008 7 3 17 54176 -.00087 .00010 .46308 .00010 -.045529 .000010 7 3 18 54177 .00127 .00009 .46442 .00010 -.047262 .000012 7 3 19 54178 .00337 .00009 .46630 .00010 -.049258 .000018 7 3 20 54179 .00515 .00009 .46857 .00010 -.051362 .000020 7 3 21 54180 .00638 .00009 .47034 .00010 -.053410 .000048 7 3 22 54181 .00712 .00009 .47147 .00010 -.055047 .000057 _______________________________________________________________________ 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 = .0535 - .0867 cos A + .0130 sin A + .0413 cos C + .1120 sin C y = .3466 + .0122 cos A + .0769 sin A + .1120 cos C - .0413 sin C UT1-UTC = -.0382 - .00096 (MJD - 54186) - (UT2-UT1) where A = 2*pi*(MJD-54181)/365.25 and C = 2*pi*(MJD-54181)/435. TAI-UTC(MJD 54182) = 33.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-54181)**0.80 S t = 0.00025 (MJD-54181)**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) 2007 3 23 54182 0.0085 0.4722 -0.05624 2007 3 24 54183 0.0097 0.4727 -0.05716 2007 3 25 54184 0.0113 0.4731 -0.05793 2007 3 26 54185 0.0132 0.4735 -0.05867 2007 3 27 54186 0.0152 0.4740 -0.05946 2007 3 28 54187 0.0172 0.4745 -0.06039 2007 3 29 54188 0.0194 0.4750 -0.06148 2007 3 30 54189 0.0215 0.4756 -0.06273 2007 3 31 54190 0.0237 0.4760 -0.06417 2007 4 1 54191 0.0259 0.4765 -0.06568 2007 4 2 54192 0.0281 0.4770 -0.06716 2007 4 3 54193 0.0303 0.4774 -0.06855 2007 4 4 54194 0.0326 0.4777 -0.06984 2007 4 5 54195 0.0348 0.4780 -0.07098 2007 4 6 54196 0.0371 0.4783 -0.07195 2007 4 7 54197 0.0394 0.4786 -0.07273 2007 4 8 54198 0.0417 0.4788 -0.07337 2007 4 9 54199 0.0440 0.4790 -0.07391 2007 4 10 54200 0.0463 0.4792 -0.07446 2007 4 11 54201 0.0486 0.4793 -0.07511 2007 4 12 54202 0.0509 0.4794 -0.07598 2007 4 13 54203 0.0532 0.4795 -0.07714 2007 4 14 54204 0.0555 0.4795 -0.07861 2007 4 15 54205 0.0578 0.4795 -0.08035 2007 4 16 54206 0.0602 0.4794 -0.08221 2007 4 17 54207 0.0625 0.4793 -0.08405 2007 4 18 54208 0.0648 0.4792 -0.08570 2007 4 19 54209 0.0671 0.4791 -0.08705 2007 4 20 54210 0.0695 0.4789 -0.08810 2007 4 21 54211 0.0718 0.4786 -0.08893 2007 4 22 54212 0.0741 0.4784 -0.08968 2007 4 23 54213 0.0765 0.4781 -0.09049 2007 4 24 54214 0.0788 0.4778 -0.09144 2007 4 25 54215 0.0811 0.4774 -0.09259 2007 4 26 54216 0.0835 0.4770 -0.09393 2007 4 27 54217 0.0858 0.4766 -0.09543 2007 4 28 54218 0.0881 0.4761 -0.09703 2007 4 29 54219 0.0904 0.4756 -0.09867 2007 4 30 54220 0.0927 0.4751 -0.10027 2007 5 1 54221 0.0950 0.4745 -0.10178 2007 5 2 54222 0.0973 0.4739 -0.10313 2007 5 3 54223 0.0996 0.4732 -0.10431 2007 5 4 54224 0.1019 0.4726 -0.10531 2007 5 5 54225 0.1041 0.4719 -0.10615 2007 5 6 54226 0.1064 0.4711 -0.10688 2007 5 7 54227 0.1087 0.4703 -0.10759 2007 5 8 54228 0.1109 0.4695 -0.10836 2007 5 9 54229 0.1131 0.4687 -0.10929 2007 5 10 54230 0.1153 0.4678 -0.11045 2007 5 11 54231 0.1175 0.4669 -0.11190 2007 5 12 54232 0.1197 0.4660 -0.11359 2007 5 13 54233 0.1219 0.4650 -0.11544 2007 5 14 54234 0.1241 0.4640 -0.11731 2007 5 15 54235 0.1262 0.4629 -0.11902 2007 5 16 54236 0.1284 0.4619 -0.12043 2007 5 17 54237 0.1305 0.4607 -0.12149 2007 5 18 54238 0.1326 0.4596 -0.12225 2007 5 19 54239 0.1347 0.4584 -0.12282 2007 5 20 54240 0.1367 0.4572 -0.12336 2007 5 21 54241 0.1388 0.4560 -0.12398 2007 5 22 54242 0.1408 0.4547 -0.12474 2007 5 23 54243 0.1428 0.4535 -0.12567 2007 5 24 54244 0.1448 0.4521 -0.12672 2007 5 25 54245 0.1468 0.4508 -0.12785 2007 5 26 54246 0.1488 0.4494 -0.12899 2007 5 27 54247 0.1507 0.4480 -0.13008 2007 5 28 54248 0.1526 0.4465 -0.13106 2007 5 29 54249 0.1545 0.4451 -0.13188 2007 5 30 54250 0.1564 0.4436 -0.13251 2007 5 31 54251 0.1582 0.4421 -0.13293 2007 6 1 54252 0.1600 0.4405 -0.13317 2007 6 2 54253 0.1618 0.4389 -0.13329 2007 6 3 54254 0.1636 0.4373 -0.13336 2007 6 4 54255 0.1653 0.4357 -0.13347 2007 6 5 54256 0.1670 0.4340 -0.13372 2007 6 6 54257 0.1687 0.4323 -0.13417 2007 6 7 54258 0.1704 0.4306 -0.13487 2007 6 8 54259 0.1720 0.4289 -0.13580 2007 6 9 54260 0.1736 0.4271 -0.13690 2007 6 10 54261 0.1752 0.4254 -0.13803 2007 6 11 54262 0.1767 0.4235 -0.13908 2007 6 12 54263 0.1782 0.4217 -0.13989 2007 6 13 54264 0.1797 0.4199 -0.14040 2007 6 14 54265 0.1812 0.4180 -0.14060 2007 6 15 54266 0.1826 0.4161 -0.14059 2007 6 16 54267 0.1840 0.4142 -0.14048 2007 6 17 54268 0.1854 0.4122 -0.14043 2007 6 18 54269 0.1867 0.4103 -0.14051 2007 6 19 54270 0.1880 0.4083 -0.14078 2007 6 20 54271 0.1893 0.4063 -0.14122 2007 6 21 54272 0.1905 0.4043 -0.14177 2007 6 22 54273 0.1917 0.4022 -0.14236 2007 6 23 54274 0.1929 0.4002 -0.14293 2007 6 24 54275 0.1940 0.3981 -0.14340 2007 6 25 54276 0.1951 0.3960 -0.14373 2007 6 26 54277 0.1962 0.3939 -0.14389 2007 6 27 54278 0.1972 0.3918 -0.14386 2007 6 28 54279 0.1982 0.3897 -0.14366 2007 6 29 54280 0.1992 0.3875 -0.14332 2007 6 30 54281 0.2001 0.3853 -0.14294 2007 7 1 54282 0.2010 0.3832 -0.14258 2007 7 2 54283 0.2018 0.3810 -0.14236 2007 7 3 54284 0.2026 0.3788 -0.14235 2007 7 4 54285 0.2034 0.3766 -0.14260 2007 7 5 54286 0.2042 0.3743 -0.14310 2007 7 6 54287 0.2049 0.3721 -0.14374 2007 7 7 54288 0.2055 0.3698 -0.14445 2007 7 8 54289 0.2062 0.3676 -0.14508 2007 7 9 54290 0.2068 0.3653 -0.14553 2007 7 10 54291 0.2073 0.3630 -0.14570 2007 7 11 54292 0.2078 0.3607 -0.14560 2007 7 12 54293 0.2083 0.3585 -0.14527 2007 7 13 54294 0.2087 0.3562 -0.14484 2007 7 14 54295 0.2091 0.3539 -0.14443 2007 7 15 54296 0.2095 0.3515 -0.14414 2007 7 16 54297 0.2098 0.3492 -0.14405 2007 7 17 54298 0.2101 0.3469 -0.14416 2007 7 18 54299 0.2103 0.3446 -0.14442 2007 7 19 54300 0.2105 0.3422 -0.14476 2007 7 20 54301 0.2106 0.3399 -0.14511 2007 7 21 54302 0.2108 0.3376 -0.14540 2007 7 22 54303 0.2108 0.3352 -0.14557 2007 7 23 54304 0.2109 0.3329 -0.14558 2007 7 24 54305 0.2109 0.3306 -0.14542 2007 7 25 54306 0.2108 0.3282 -0.14509 2007 7 26 54307 0.2107 0.3259 -0.14464 2007 7 27 54308 0.2106 0.3236 -0.14413 2007 7 28 54309 0.2104 0.3212 -0.14364 2007 7 29 54310 0.2102 0.3189 -0.14328 2007 7 30 54311 0.2100 0.3166 -0.14314 2007 7 31 54312 0.2097 0.3143 -0.14328 2007 8 1 54313 0.2093 0.3119 -0.14371 2007 8 2 54314 0.2090 0.3096 -0.14438 2007 8 3 54315 0.2086 0.3073 -0.14516 2007 8 4 54316 0.2081 0.3050 -0.14589 2007 8 5 54317 0.2076 0.3027 -0.14646 2007 8 6 54318 0.2071 0.3004 -0.14676 2007 8 7 54319 0.2065 0.2982 -0.14679 2007 8 8 54320 0.2059 0.2959 -0.14660 2007 8 9 54321 0.2052 0.2936 -0.14630 2007 8 10 54322 0.2046 0.2914 -0.14600 2007 8 11 54323 0.2038 0.2892 -0.14582 2007 8 12 54324 0.2030 0.2869 -0.14583 2007 8 13 54325 0.2022 0.2847 -0.14606 2007 8 14 54326 0.2014 0.2825 -0.14648 2007 8 15 54327 0.2005 0.2803 -0.14704 2007 8 16 54328 0.1996 0.2781 -0.14764 2007 8 17 54329 0.1986 0.2760 -0.14821 2007 8 18 54330 0.1976 0.2738 -0.14869 2007 8 19 54331 0.1965 0.2717 -0.14903 2007 8 20 54332 0.1955 0.2696 -0.14920 2007 8 21 54333 0.1943 0.2675 -0.14922 2007 8 22 54334 0.1932 0.2654 -0.14911 2007 8 23 54335 0.1920 0.2633 -0.14892 2007 8 24 54336 0.1907 0.2613 -0.14874 2007 8 25 54337 0.1895 0.2593 -0.14866 2007 8 26 54338 0.1882 0.2573 -0.14877 2007 8 27 54339 0.1868 0.2553 -0.14917 2007 8 28 54340 0.1854 0.2533 -0.14989 2007 8 29 54341 0.1840 0.2514 -0.15090 2007 8 30 54342 0.1826 0.2494 -0.15209 2007 8 31 54343 0.1811 0.2475 -0.15332 2007 9 1 54344 0.1796 0.2456 -0.15440 2007 9 2 54345 0.1780 0.2438 -0.15522 2007 9 3 54346 0.1764 0.2420 -0.15574 2007 9 4 54347 0.1748 0.2401 -0.15600 2007 9 5 54348 0.1732 0.2384 -0.15611 2007 9 6 54349 0.1715 0.2366 -0.15620 2007 9 7 54350 0.1698 0.2349 -0.15639 2007 9 8 54351 0.1680 0.2331 -0.15675 2007 9 9 54352 0.1662 0.2315 -0.15733 2007 9 10 54353 0.1644 0.2298 -0.15810 2007 9 11 54354 0.1626 0.2282 -0.15903 2007 9 12 54355 0.1607 0.2266 -0.16004 2007 9 13 54356 0.1588 0.2250 -0.16104 2007 9 14 54357 0.1569 0.2235 -0.16196 2007 9 15 54358 0.1549 0.2219 -0.16275 2007 9 16 54359 0.1529 0.2205 -0.16337 2007 9 17 54360 0.1509 0.2190 -0.16381 2007 9 18 54361 0.1489 0.2176 -0.16410 2007 9 19 54362 0.1468 0.2162 -0.16427 2007 9 20 54363 0.1447 0.2148 -0.16440 2007 9 21 54364 0.1426 0.2135 -0.16457 2007 9 22 54365 0.1404 0.2122 -0.16487 2007 9 23 54366 0.1383 0.2109 -0.16539 2007 9 24 54367 0.1361 0.2097 -0.16622 2007 9 25 54368 0.1338 0.2085 -0.16738 2007 9 26 54369 0.1316 0.2073 -0.16880 2007 9 27 54370 0.1293 0.2062 -0.17038 2007 9 28 54371 0.1271 0.2051 -0.17194 2007 9 29 54372 0.1247 0.2040 -0.17333 2007 9 30 54373 0.1224 0.2030 -0.17445 2007 10 1 54374 0.1201 0.2020 -0.17530 2007 10 2 54375 0.1177 0.2011 -0.17595 2007 10 3 54376 0.1153 0.2002 -0.17655 2007 10 4 54377 0.1129 0.1993 -0.17719 2007 10 5 54378 0.1105 0.1984 -0.17798 2007 10 6 54379 0.1081 0.1976 -0.17894 2007 10 7 54380 0.1056 0.1968 -0.18007 2007 10 8 54381 0.1031 0.1961 -0.18134 2007 10 9 54382 0.1006 0.1954 -0.18270 2007 10 10 54383 0.0981 0.1947 -0.18407 2007 10 11 54384 0.0956 0.1941 -0.18539 2007 10 12 54385 0.0931 0.1935 -0.18660 2007 10 13 54386 0.0906 0.1930 -0.18766 2007 10 14 54387 0.0880 0.1925 -0.18854 2007 10 15 54388 0.0854 0.1920 -0.18926 2007 10 16 54389 0.0829 0.1915 -0.18985 2007 10 17 54390 0.0803 0.1912 -0.19037 2007 10 18 54391 0.0777 0.1908 -0.19091 2007 10 19 54392 0.0751 0.1905 -0.19155 2007 10 20 54393 0.0725 0.1902 -0.19237 2007 10 21 54394 0.0699 0.1900 -0.19346 2007 10 22 54395 0.0673 0.1898 -0.19487 2007 10 23 54396 0.0646 0.1896 -0.19658 2007 10 24 54397 0.0620 0.1895 -0.19848 2007 10 25 54398 0.0594 0.1894 -0.20040 2007 10 26 54399 0.0567 0.1894 -0.20217 2007 10 27 54400 0.0541 0.1894 -0.20368 2007 10 28 54401 0.0514 0.1894 -0.20488 2007 10 29 54402 0.0488 0.1895 -0.20583 2007 10 30 54403 0.0461 0.1896 -0.20663 2007 10 31 54404 0.0435 0.1898 -0.20744 2007 11 1 54405 0.0408 0.1900 -0.20836 2007 11 2 54406 0.0382 0.1902 -0.20943 2007 11 3 54407 0.0355 0.1905 -0.21072 2007 11 4 54408 0.0329 0.1908 -0.21219 2007 11 5 54409 0.0303 0.1912 -0.21377 2007 11 6 54410 0.0276 0.1916 -0.21533 2007 11 7 54411 0.0250 0.1920 -0.21681 2007 11 8 54412 0.0224 0.1925 -0.21817 2007 11 9 54413 0.0197 0.1930 -0.21938 2007 11 10 54414 0.0171 0.1936 -0.22041 2007 11 11 54415 0.0145 0.1942 -0.22125 2007 11 12 54416 0.0119 0.1948 -0.22195 2007 11 13 54417 0.0093 0.1955 -0.22257 2007 11 14 54418 0.0068 0.1962 -0.22321 2007 11 15 54419 0.0042 0.1970 -0.22396 2007 11 16 54420 0.0016 0.1978 -0.22490 2007 11 17 54421 -0.0009 0.1986 -0.22609 2007 11 18 54422 -0.0034 0.1995 -0.22750 2007 11 19 54423 -0.0060 0.2004 -0.22913 2007 11 20 54424 -0.0085 0.2014 -0.23098 2007 11 21 54425 -0.0110 0.2023 -0.23289 2007 11 22 54426 -0.0134 0.2034 -0.23469 2007 11 23 54427 -0.0159 0.2044 -0.23624 2007 11 24 54428 -0.0183 0.2055 -0.23748 2007 11 25 54429 -0.0208 0.2067 -0.23845 2007 11 26 54430 -0.0232 0.2078 -0.23927 2007 11 27 54431 -0.0256 0.2090 -0.24004 2007 11 28 54432 -0.0279 0.2103 -0.24093 2007 11 29 54433 -0.0303 0.2116 -0.24199 2007 11 30 54434 -0.0326 0.2129 -0.24330 2007 12 1 54435 -0.0349 0.2142 -0.24485 2007 12 2 54436 -0.0372 0.2156 -0.24653 2007 12 3 54437 -0.0395 0.2171 -0.24825 2007 12 4 54438 -0.0417 0.2185 -0.24989 2007 12 5 54439 -0.0439 0.2200 -0.25137 2007 12 6 54440 -0.0461 0.2215 -0.25268 2007 12 7 54441 -0.0483 0.2231 -0.25379 2007 12 8 54442 -0.0505 0.2247 -0.25466 2007 12 9 54443 -0.0526 0.2263 -0.25531 2007 12 10 54444 -0.0547 0.2279 -0.25584 2007 12 11 54445 -0.0567 0.2296 -0.25644 2007 12 12 54446 -0.0588 0.2314 -0.25716 2007 12 13 54447 -0.0608 0.2331 -0.25810 2007 12 14 54448 -0.0628 0.2349 -0.25926 2007 12 15 54449 -0.0647 0.2367 -0.26076 2007 12 16 54450 -0.0667 0.2385 -0.26251 2007 12 17 54451 -0.0685 0.2404 -0.26448 2007 12 18 54452 -0.0704 0.2423 -0.26654 2007 12 19 54453 -0.0722 0.2442 -0.26851 2007 12 20 54454 -0.0740 0.2462 -0.27031 2007 12 21 54455 -0.0758 0.2481 -0.27186 2007 12 22 54456 -0.0775 0.2502 -0.27306 2007 12 23 54457 -0.0792 0.2522 -0.27400 2007 12 24 54458 -0.0809 0.2542 -0.27477 2007 12 25 54459 -0.0825 0.2563 -0.27553 2007 12 26 54460 -0.0841 0.2584 -0.27640 2007 12 27 54461 -0.0857 0.2606 -0.27741 2007 12 28 54462 -0.0872 0.2627 -0.27858 2007 12 29 54463 -0.0887 0.2649 -0.27988 2007 12 30 54464 -0.0902 0.2671 -0.28115 2007 12 31 54465 -0.0916 0.2693 -0.28230 2008 1 1 54466 -0.0929 0.2716 -0.28324 2008 1 2 54467 -0.0943 0.2738 -0.28400 2008 1 3 54468 -0.0956 0.2761 -0.28453 2008 1 4 54469 -0.0969 0.2784 -0.28485 2008 1 5 54470 -0.0981 0.2808 -0.28494 2008 1 6 54471 -0.0993 0.2831 -0.28486 2008 1 7 54472 -0.1004 0.2855 -0.28475 2008 1 8 54473 -0.1015 0.2878 -0.28467 2008 1 9 54474 -0.1026 0.2902 -0.28469 2008 1 10 54475 -0.1036 0.2926 -0.28489 2008 1 11 54476 -0.1046 0.2951 -0.28536 2008 1 12 54477 -0.1055 0.2975 -0.28612 2008 1 13 54478 -0.1064 0.3000 -0.28714 2008 1 14 54479 -0.1073 0.3024 -0.28831 2008 1 15 54480 -0.1081 0.3049 -0.28951 2008 1 16 54481 -0.1089 0.3074 -0.29058 2008 1 17 54482 -0.1096 0.3099 -0.29149 2008 1 18 54483 -0.1103 0.3124 -0.29218 2008 1 19 54484 -0.1109 0.3150 -0.29266 2008 1 20 54485 -0.1115 0.3175 -0.29301 2008 1 21 54486 -0.1121 0.3200 -0.29334 2008 1 22 54487 -0.1126 0.3226 -0.29383 2008 1 23 54488 -0.1131 0.3252 -0.29452 2008 1 24 54489 -0.1135 0.3277 -0.29545 2008 1 25 54490 -0.1139 0.3303 -0.29662 2008 1 26 54491 -0.1142 0.3329 -0.29796 2008 1 27 54492 -0.1145 0.3355 -0.29935 2008 1 28 54493 -0.1148 0.3381 -0.30058 2008 1 29 54494 -0.1150 0.3407 -0.30163 2008 1 30 54495 -0.1151 0.3433 -0.30246 2008 1 31 54496 -0.1152 0.3459 -0.30311 2008 2 1 54497 -0.1153 0.3485 -0.30364 2008 2 2 54498 -0.1153 0.3511 -0.30410 2008 2 3 54499 -0.1153 0.3537 -0.30454 2008 2 4 54500 -0.1152 0.3563 -0.30504 2008 2 5 54501 -0.1151 0.3589 -0.30575 2008 2 6 54502 -0.1150 0.3615 -0.30669 2008 2 7 54503 -0.1148 0.3641 -0.30785 2008 2 8 54504 -0.1145 0.3667 -0.30930 2008 2 9 54505 -0.1142 0.3693 -0.31095 2008 2 10 54506 -0.1139 0.3719 -0.31267 2008 2 11 54507 -0.1135 0.3745 -0.31435 2008 2 12 54508 -0.1131 0.3770 -0.31586 2008 2 13 54509 -0.1126 0.3796 -0.31711 2008 2 14 54510 -0.1121 0.3822 -0.31808 2008 2 15 54511 -0.1115 0.3847 -0.31886 2008 2 16 54512 -0.1109 0.3873 -0.31947 2008 2 17 54513 -0.1103 0.3898 -0.32009 2008 2 18 54514 -0.1096 0.3924 -0.32081 2008 2 19 54515 -0.1088 0.3949 -0.32172 2008 2 20 54516 -0.1081 0.3974 -0.32278 2008 2 21 54517 -0.1072 0.3999 -0.32399 2008 2 22 54518 -0.1064 0.4024 -0.32536 2008 2 23 54519 -0.1054 0.4048 -0.32681 2008 2 24 54520 -0.1045 0.4073 -0.32815 2008 2 25 54521 -0.1035 0.4097 -0.32927 2008 2 26 54522 -0.1024 0.4122 -0.33014 2008 2 27 54523 -0.1014 0.4146 -0.33079 2008 2 28 54524 -0.1002 0.4170 -0.33125 2008 2 29 54525 -0.0991 0.4193 -0.33154 2008 3 1 54526 -0.0978 0.4217 -0.33172 2008 3 2 54527 -0.0966 0.4240 -0.33189 2008 3 3 54528 -0.0953 0.4264 -0.33215 2008 3 4 54529 -0.0940 0.4287 -0.33255 2008 3 5 54530 -0.0926 0.4310 -0.33313 2008 3 6 54531 -0.0912 0.4332 -0.33394 2008 3 7 54532 -0.0897 0.4355 -0.33499 2008 3 8 54533 -0.0882 0.4377 -0.33626 2008 3 9 54534 -0.0867 0.4399 -0.33762 2008 3 10 54535 -0.0851 0.4420 -0.33890 2008 3 11 54536 -0.0835 0.4442 -0.33998 2008 3 12 54537 -0.0818 0.4463 -0.34082 2008 3 13 54538 -0.0802 0.4484 -0.34148 2008 3 14 54539 -0.0784 0.4505 -0.34190 2008 3 15 54540 -0.0767 0.4525 -0.34221 2008 3 16 54541 -0.0749 0.4546 -0.34261 2008 3 17 54542 -0.0730 0.4566 -0.34319 2008 3 18 54543 -0.0712 0.4585 -0.34401 2008 3 19 54544 -0.0693 0.4605 -0.34503 2008 3 20 54545 -0.0673 0.4624 -0.34628 2008 3 21 54546 -0.0654 0.4643 -0.34763 These predictions are based on all announced leap seconds. The IERS Conventions recommended software to predict celestial pole offsets is available at ftp://maia.usno.navy.mil/conventions/chapter5/ ceppred.f and software for the calculation of the dX and dY with respect to IAU2000A Nutation/Precession Theory can be found at the web site in section chapter 5.