********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 1 February 2007 Vol. XX 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 22 December 2006 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 1 26 54126 -.05428 .00009 .39027 .00009 .007787 .000008 7 1 27 54127 -.05368 .00009 .39191 .00010 .006209 .000009 7 1 28 54128 -.05288 .00009 .39359 .00011 .004907 .000010 7 1 29 54129 -.05184 .00010 .39545 .00011 .003831 .000010 7 1 30 54130 -.05083 .00009 .39743 .00010 .002860 .000010 7 1 31 54131 -.05016 .00010 .39927 .00010 .001877 .000048 7 2 1 54132 -.04979 .00010 .40091 .00010 .000802 .000057 IERS Final Values MJD x y UT1-UTC " " s 6 12 6 54075 -.0393 .3120 .06600 6 12 7 54076 -.0403 .3140 .06530 6 12 8 54077 -.0415 .3159 .06452 6 12 9 54078 -.0425 .3174 .06356 6 12 10 54079 -.0433 .3186 .06244 6 12 11 54080 -.0442 .3195 .06116 6 12 12 54081 -.0448 .3205 .05975 6 12 13 54082 -.0456 .3220 .05830 6 12 14 54083 -.0466 .3235 .05690 6 12 15 54084 -.0479 .3249 .05565 6 12 16 54085 -.0489 .3263 .05443 6 12 17 54086 -.0496 .3277 .05340 6 12 18 54087 -.0501 .3292 .05257 6 12 19 54088 -.0505 .3307 .05187 6 12 20 54089 -.0511 .3320 .05126 6 12 21 54090 -.0519 .3328 .05072 6 12 22 54091 -.0525 .3333 .05018 6 12 23 54092 -.0525 .3339 .04947 6 12 24 54093 -.0520 .3350 .04850 6 12 25 54094 -.0513 .3366 .04725 6 12 26 54095 -.0507 .3384 .04577 6 12 27 54096 -.0504 .3401 .04417 6 12 28 54097 -.0502 .3419 .04257 6 12 29 54098 -.0498 .3437 .04103 6 12 30 54099 -.0495 .3452 .03959 6 12 31 54100 -.0494 .3461 .03842 7 1 1 54101 -.0494 .3471 .03756 7 1 2 54102 -.0499 .3483 .03693 7 1 3 54103 -.0512 .3497 .03639 7 1 4 54104 -.0529 .3510 .03584 _______________________________________________________________________ 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 = .0539 - .0654 cos A - .0456 sin A - .0400 cos C + .1009 sin C y = .3438 - .0405 cos A + .0559 sin A + .1009 cos C + .0400 sin C UT1-UTC = -.0219 - .00093 (MJD - 54137) - (UT2-UT1) where A = 2*pi*(MJD-54132)/365.25 and C = 2*pi*(MJD-54132)/435. TAI-UTC(MJD 54133) = 33.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-54132)**0.80 S t = 0.00025 (MJD-54132)**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 2 2 54133 -0.0492 0.4025 -0.00043 2007 2 3 54134 -0.0487 0.4040 -0.00187 2007 2 4 54135 -0.0480 0.4055 -0.00344 2007 2 5 54136 -0.0471 0.4070 -0.00506 2007 2 6 54137 -0.0462 0.4086 -0.00670 2007 2 7 54138 -0.0452 0.4102 -0.00833 2007 2 8 54139 -0.0442 0.4119 -0.00996 2007 2 9 54140 -0.0432 0.4135 -0.01150 2007 2 10 54141 -0.0422 0.4151 -0.01291 2007 2 11 54142 -0.0412 0.4166 -0.01418 2007 2 12 54143 -0.0401 0.4182 -0.01533 2007 2 13 54144 -0.0390 0.4197 -0.01640 2007 2 14 54145 -0.0378 0.4213 -0.01745 2007 2 15 54146 -0.0366 0.4228 -0.01859 2007 2 16 54147 -0.0354 0.4243 -0.01995 2007 2 17 54148 -0.0341 0.4258 -0.02162 2007 2 18 54149 -0.0329 0.4273 -0.02362 2007 2 19 54150 -0.0316 0.4287 -0.02586 2007 2 20 54151 -0.0302 0.4302 -0.02820 2007 2 21 54152 -0.0288 0.4316 -0.03044 2007 2 22 54153 -0.0274 0.4330 -0.03243 2007 2 23 54154 -0.0260 0.4344 -0.03408 2007 2 24 54155 -0.0246 0.4357 -0.03541 2007 2 25 54156 -0.0231 0.4371 -0.03649 2007 2 26 54157 -0.0216 0.4384 -0.03744 2007 2 27 54158 -0.0201 0.4397 -0.03837 2007 2 28 54159 -0.0185 0.4410 -0.03938 2007 3 1 54160 -0.0169 0.4422 -0.04054 2007 3 2 54161 -0.0153 0.4434 -0.04188 2007 3 3 54162 -0.0137 0.4446 -0.04340 2007 3 4 54163 -0.0120 0.4458 -0.04505 2007 3 5 54164 -0.0104 0.4470 -0.04677 2007 3 6 54165 -0.0087 0.4481 -0.04850 2007 3 7 54166 -0.0070 0.4492 -0.05017 2007 3 8 54167 -0.0052 0.4503 -0.05172 2007 3 9 54168 -0.0035 0.4513 -0.05312 2007 3 10 54169 -0.0017 0.4523 -0.05435 2007 3 11 54170 0.0001 0.4533 -0.05543 2007 3 12 54171 0.0019 0.4543 -0.05639 2007 3 13 54172 0.0038 0.4553 -0.05730 2007 3 14 54173 0.0056 0.4562 -0.05826 2007 3 15 54174 0.0075 0.4571 -0.05939 2007 3 16 54175 0.0094 0.4579 -0.06079 2007 3 17 54176 0.0113 0.4588 -0.06252 2007 3 18 54177 0.0133 0.4596 -0.06457 2007 3 19 54178 0.0152 0.4603 -0.06683 2007 3 20 54179 0.0172 0.4611 -0.06910 2007 3 21 54180 0.0191 0.4618 -0.07120 2007 3 22 54181 0.0211 0.4625 -0.07301 2007 3 23 54182 0.0231 0.4631 -0.07446 2007 3 24 54183 0.0252 0.4638 -0.07561 2007 3 25 54184 0.0272 0.4644 -0.07657 2007 3 26 54185 0.0292 0.4649 -0.07748 2007 3 27 54186 0.0313 0.4654 -0.07845 2007 3 28 54187 0.0334 0.4659 -0.07955 2007 3 29 54188 0.0355 0.4664 -0.08083 2007 3 30 54189 0.0376 0.4669 -0.08228 2007 3 31 54190 0.0397 0.4673 -0.08388 2007 4 1 54191 0.0418 0.4676 -0.08557 2007 4 2 54192 0.0439 0.4680 -0.08727 2007 4 3 54193 0.0460 0.4683 -0.08893 2007 4 4 54194 0.0482 0.4686 -0.09047 2007 4 5 54195 0.0503 0.4688 -0.09186 2007 4 6 54196 0.0525 0.4690 -0.09308 2007 4 7 54197 0.0546 0.4692 -0.09414 2007 4 8 54198 0.0568 0.4694 -0.09508 2007 4 9 54199 0.0590 0.4695 -0.09595 2007 4 10 54200 0.0612 0.4696 -0.09684 2007 4 11 54201 0.0633 0.4696 -0.09785 2007 4 12 54202 0.0655 0.4696 -0.09907 2007 4 13 54203 0.0677 0.4696 -0.10059 2007 4 14 54204 0.0699 0.4696 -0.10244 2007 4 15 54205 0.0721 0.4695 -0.10454 2007 4 16 54206 0.0743 0.4694 -0.10677 2007 4 17 54207 0.0765 0.4692 -0.10894 2007 4 18 54208 0.0787 0.4691 -0.11086 2007 4 19 54209 0.0809 0.4688 -0.11244 2007 4 20 54210 0.0831 0.4686 -0.11368 2007 4 21 54211 0.0852 0.4683 -0.11467 2007 4 22 54212 0.0874 0.4680 -0.11553 2007 4 23 54213 0.0896 0.4677 -0.11641 2007 4 24 54214 0.0918 0.4673 -0.11740 2007 4 25 54215 0.0940 0.4669 -0.11855 2007 4 26 54216 0.0962 0.4664 -0.11986 2007 4 27 54217 0.0983 0.4659 -0.12129 2007 4 28 54218 0.1005 0.4654 -0.12281 2007 4 29 54219 0.1026 0.4649 -0.12434 2007 4 30 54220 0.1048 0.4643 -0.12582 2007 5 1 54221 0.1069 0.4637 -0.12720 2007 5 2 54222 0.1091 0.4631 -0.12842 2007 5 3 54223 0.1112 0.4624 -0.12945 2007 5 4 54224 0.1133 0.4617 -0.13030 2007 5 5 54225 0.1154 0.4609 -0.13099 2007 5 6 54226 0.1175 0.4602 -0.13159 2007 5 7 54227 0.1196 0.4594 -0.13216 2007 5 8 54228 0.1217 0.4585 -0.13281 2007 5 9 54229 0.1237 0.4577 -0.13361 2007 5 10 54230 0.1258 0.4568 -0.13466 2007 5 11 54231 0.1278 0.4558 -0.13598 2007 5 12 54232 0.1298 0.4549 -0.13757 2007 5 13 54233 0.1318 0.4539 -0.13932 2007 5 14 54234 0.1338 0.4528 -0.14109 2007 5 15 54235 0.1358 0.4518 -0.14270 2007 5 16 54236 0.1377 0.4507 -0.14403 2007 5 17 54237 0.1397 0.4496 -0.14501 2007 5 18 54238 0.1416 0.4485 -0.14572 2007 5 19 54239 0.1435 0.4473 -0.14624 2007 5 20 54240 0.1454 0.4461 -0.14672 2007 5 21 54241 0.1473 0.4449 -0.14729 2007 5 22 54242 0.1491 0.4436 -0.14800 2007 5 23 54243 0.1510 0.4423 -0.14887 2007 5 24 54244 0.1528 0.4410 -0.14988 2007 5 25 54245 0.1546 0.4397 -0.15096 2007 5 26 54246 0.1563 0.4383 -0.15206 2007 5 27 54247 0.1581 0.4369 -0.15312 2007 5 28 54248 0.1598 0.4355 -0.15407 2007 5 29 54249 0.1615 0.4340 -0.15486 2007 5 30 54250 0.1632 0.4325 -0.15546 2007 5 31 54251 0.1648 0.4310 -0.15588 2007 6 1 54252 0.1665 0.4295 -0.15612 2007 6 2 54253 0.1681 0.4280 -0.15625 2007 6 3 54254 0.1697 0.4264 -0.15634 2007 6 4 54255 0.1712 0.4248 -0.15647 2007 6 5 54256 0.1727 0.4231 -0.15674 2007 6 6 54257 0.1742 0.4215 -0.15722 2007 6 7 54258 0.1757 0.4198 -0.15795 2007 6 8 54259 0.1772 0.4181 -0.15892 2007 6 9 54260 0.1786 0.4164 -0.16005 2007 6 10 54261 0.1800 0.4147 -0.16123 2007 6 11 54262 0.1813 0.4129 -0.16232 2007 6 12 54263 0.1827 0.4111 -0.16317 2007 6 13 54264 0.1840 0.4093 -0.16372 2007 6 14 54265 0.1852 0.4075 -0.16396 2007 6 15 54266 0.1865 0.4057 -0.16398 2007 6 16 54267 0.1877 0.4038 -0.16392 2007 6 17 54268 0.1889 0.4019 -0.16390 2007 6 18 54269 0.1900 0.4000 -0.16403 2007 6 19 54270 0.1911 0.3981 -0.16433 2007 6 20 54271 0.1922 0.3962 -0.16478 2007 6 21 54272 0.1933 0.3942 -0.16535 2007 6 22 54273 0.1943 0.3923 -0.16595 2007 6 23 54274 0.1953 0.3903 -0.16651 2007 6 24 54275 0.1962 0.3883 -0.16699 2007 6 25 54276 0.1971 0.3863 -0.16731 2007 6 26 54277 0.1980 0.3842 -0.16746 2007 6 27 54278 0.1989 0.3822 -0.16742 2007 6 28 54279 0.1997 0.3801 -0.16721 2007 6 29 54280 0.2005 0.3781 -0.16686 2007 6 30 54281 0.2012 0.3760 -0.16647 2007 7 1 54282 0.2019 0.3739 -0.16611 2007 7 2 54283 0.2026 0.3718 -0.16588 2007 7 3 54284 0.2032 0.3697 -0.16586 2007 7 4 54285 0.2038 0.3676 -0.16610 2007 7 5 54286 0.2044 0.3654 -0.16658 2007 7 6 54287 0.2049 0.3633 -0.16724 2007 7 7 54288 0.2054 0.3611 -0.16797 2007 7 8 54289 0.2058 0.3590 -0.16862 2007 7 9 54290 0.2063 0.3568 -0.16908 2007 7 10 54291 0.2066 0.3546 -0.16927 2007 7 11 54292 0.2070 0.3525 -0.16918 2007 7 12 54293 0.2073 0.3503 -0.16886 2007 7 13 54294 0.2075 0.3481 -0.16844 2007 7 14 54295 0.2078 0.3459 -0.16804 2007 7 15 54296 0.2080 0.3437 -0.16776 2007 7 16 54297 0.2081 0.3415 -0.16768 2007 7 17 54298 0.2082 0.3393 -0.16779 2007 7 18 54299 0.2083 0.3371 -0.16804 2007 7 19 54300 0.2083 0.3349 -0.16838 2007 7 20 54301 0.2083 0.3327 -0.16872 2007 7 21 54302 0.2083 0.3304 -0.16900 2007 7 22 54303 0.2082 0.3282 -0.16916 2007 7 23 54304 0.2081 0.3260 -0.16915 2007 7 24 54305 0.2079 0.3238 -0.16898 2007 7 25 54306 0.2077 0.3216 -0.16864 2007 7 26 54307 0.2075 0.3194 -0.16817 2007 7 27 54308 0.2072 0.3172 -0.16763 2007 7 28 54309 0.2069 0.3150 -0.16711 2007 7 29 54310 0.2066 0.3128 -0.16672 2007 7 30 54311 0.2062 0.3106 -0.16654 2007 7 31 54312 0.2057 0.3085 -0.16663 2007 8 1 54313 0.2053 0.3063 -0.16702 2007 8 2 54314 0.2048 0.3041 -0.16762 2007 8 3 54315 0.2042 0.3020 -0.16832 2007 8 4 54316 0.2037 0.2998 -0.16898 2007 8 5 54317 0.2030 0.2977 -0.16946 2007 8 6 54318 0.2024 0.2955 -0.16966 2007 8 7 54319 0.2017 0.2934 -0.16958 2007 8 8 54320 0.2009 0.2913 -0.16926 2007 8 9 54321 0.2002 0.2892 -0.16881 2007 8 10 54322 0.1994 0.2871 -0.16835 2007 8 11 54323 0.1985 0.2850 -0.16801 2007 8 12 54324 0.1976 0.2829 -0.16785 2007 8 13 54325 0.1967 0.2809 -0.16792 2007 8 14 54326 0.1958 0.2788 -0.16820 2007 8 15 54327 0.1948 0.2768 -0.16862 2007 8 16 54328 0.1937 0.2748 -0.16912 2007 8 17 54329 0.1927 0.2728 -0.16962 2007 8 18 54330 0.1916 0.2708 -0.17004 2007 8 19 54331 0.1904 0.2688 -0.17035 2007 8 20 54332 0.1893 0.2669 -0.17052 2007 8 21 54333 0.1881 0.2650 -0.17055 2007 8 22 54334 0.1868 0.2631 -0.17046 2007 8 23 54335 0.1855 0.2612 -0.17032 2007 8 24 54336 0.1842 0.2593 -0.17021 2007 8 25 54337 0.1829 0.2574 -0.17023 2007 8 26 54338 0.1815 0.2556 -0.17048 2007 8 27 54339 0.1801 0.2538 -0.17105 2007 8 28 54340 0.1786 0.2520 -0.17198 2007 8 29 54341 0.1772 0.2502 -0.17321 2007 8 30 54342 0.1757 0.2485 -0.17462 2007 8 31 54343 0.1741 0.2467 -0.17603 2007 9 1 54344 0.1725 0.2450 -0.17727 2007 9 2 54345 0.1709 0.2433 -0.17822 2007 9 3 54346 0.1693 0.2417 -0.17886 2007 9 4 54347 0.1676 0.2401 -0.17927 2007 9 5 54348 0.1659 0.2384 -0.17960 2007 9 6 54349 0.1642 0.2369 -0.17999 2007 9 7 54350 0.1625 0.2353 -0.18053 2007 9 8 54351 0.1607 0.2338 -0.18134 2007 9 9 54352 0.1589 0.2323 -0.18240 2007 9 10 54353 0.1570 0.2308 -0.18369 2007 9 11 54354 0.1551 0.2294 -0.18513 2007 9 12 54355 0.1533 0.2279 -0.18660 2007 9 13 54356 0.1513 0.2266 -0.18805 2007 9 14 54357 0.1494 0.2252 -0.18942 2007 9 15 54358 0.1474 0.2239 -0.19060 2007 9 16 54359 0.1454 0.2226 -0.19158 2007 9 17 54360 0.1434 0.2213 -0.19234 2007 9 18 54361 0.1413 0.2201 -0.19291 2007 9 19 54362 0.1393 0.2188 -0.19336 2007 9 20 54363 0.1372 0.2177 -0.19371 2007 9 21 54364 0.1351 0.2165 -0.19409 2007 9 22 54365 0.1329 0.2154 -0.19463 2007 9 23 54366 0.1308 0.2143 -0.19534 2007 9 24 54367 0.1286 0.2133 -0.19630 2007 9 25 54368 0.1264 0.2123 -0.19748 2007 9 26 54369 0.1242 0.2113 -0.19889 2007 9 27 54370 0.1219 0.2103 -0.20037 2007 9 28 54371 0.1197 0.2094 -0.20175 2007 9 29 54372 0.1174 0.2085 -0.20285 2007 9 30 54373 0.1151 0.2077 -0.20357 2007 10 1 54374 0.1128 0.2069 -0.20399 2007 10 2 54375 0.1105 0.2061 -0.20421 2007 10 3 54376 0.1081 0.2054 -0.20432 2007 10 4 54377 0.1058 0.2047 -0.20448 2007 10 5 54378 0.1034 0.2040 -0.20483 2007 10 6 54379 0.1010 0.2034 -0.20543 2007 10 7 54380 0.0986 0.2028 -0.20628 2007 10 8 54381 0.0962 0.2022 -0.20734 2007 10 9 54382 0.0938 0.2017 -0.20852 2007 10 10 54383 0.0914 0.2012 -0.20972 2007 10 11 54384 0.0889 0.2008 -0.21092 2007 10 12 54385 0.0865 0.2004 -0.21204 2007 10 13 54386 0.0840 0.2000 -0.21301 2007 10 14 54387 0.0816 0.1997 -0.21381 2007 10 15 54388 0.0791 0.1994 -0.21443 2007 10 16 54389 0.0766 0.1991 -0.21496 2007 10 17 54390 0.0741 0.1989 -0.21543 2007 10 18 54391 0.0716 0.1987 -0.21593 2007 10 19 54392 0.0691 0.1986 -0.21661 2007 10 20 54393 0.0666 0.1984 -0.21755 2007 10 21 54394 0.0641 0.1984 -0.21879 2007 10 22 54395 0.0616 0.1984 -0.22028 2007 10 23 54396 0.0590 0.1984 -0.22200 2007 10 24 54397 0.0565 0.1984 -0.22386 2007 10 25 54398 0.0540 0.1985 -0.22575 2007 10 26 54399 0.0515 0.1986 -0.22753 2007 10 27 54400 0.0490 0.1988 -0.22909 2007 10 28 54401 0.0464 0.1990 -0.23036 2007 10 29 54402 0.0439 0.1992 -0.23140 2007 10 30 54403 0.0414 0.1995 -0.23238 2007 10 31 54404 0.0389 0.1998 -0.23341 2007 11 1 54405 0.0364 0.2002 -0.23455 2007 11 2 54406 0.0339 0.2006 -0.23587 2007 11 3 54407 0.0314 0.2010 -0.23734 2007 11 4 54408 0.0289 0.2015 -0.23890 2007 11 5 54409 0.0264 0.2020 -0.24046 2007 11 6 54410 0.0239 0.2026 -0.24198 2007 11 7 54411 0.0214 0.2032 -0.24341 2007 11 8 54412 0.0189 0.2038 -0.24470 2007 11 9 54413 0.0165 0.2045 -0.24586 2007 11 10 54414 0.0140 0.2052 -0.24684 2007 11 11 54415 0.0116 0.2059 -0.24767 2007 11 12 54416 0.0092 0.2067 -0.24837 2007 11 13 54417 0.0067 0.2075 -0.24899 2007 11 14 54418 0.0043 0.2084 -0.24951 2007 11 15 54419 0.0020 0.2093 -0.25004 2007 11 16 54420 -0.0004 0.2102 -0.25073 2007 11 17 54421 -0.0028 0.2112 -0.25167 2007 11 18 54422 -0.0051 0.2122 -0.25279 2007 11 19 54423 -0.0075 0.2132 -0.25407 2007 11 20 54424 -0.0098 0.2143 -0.25547 2007 11 21 54425 -0.0121 0.2154 -0.25692 2007 11 22 54426 -0.0144 0.2165 -0.25828 2007 11 23 54427 -0.0167 0.2177 -0.25940 2007 11 24 54428 -0.0189 0.2189 -0.26019 2007 11 25 54429 -0.0211 0.2202 -0.26069 2007 11 26 54430 -0.0233 0.2215 -0.26099 2007 11 27 54431 -0.0255 0.2228 -0.26121 2007 11 28 54432 -0.0277 0.2242 -0.26146 2007 11 29 54433 -0.0298 0.2256 -0.26182 2007 11 30 54434 -0.0320 0.2270 -0.26235 2007 12 1 54435 -0.0341 0.2284 -0.26304 2007 12 2 54436 -0.0361 0.2299 -0.26384 2007 12 3 54437 -0.0382 0.2314 -0.26463 2007 12 4 54438 -0.0402 0.2330 -0.26538 2007 12 5 54439 -0.0422 0.2346 -0.26605 2007 12 6 54440 -0.0442 0.2362 -0.26663 2007 12 7 54441 -0.0461 0.2379 -0.26700 2007 12 8 54442 -0.0481 0.2395 -0.26714 2007 12 9 54443 -0.0500 0.2412 -0.26717 2007 12 10 54444 -0.0518 0.2430 -0.26712 2007 12 11 54445 -0.0537 0.2448 -0.26707 2007 12 12 54446 -0.0555 0.2465 -0.26706 2007 12 13 54447 -0.0573 0.2484 -0.26723 2007 12 14 54448 -0.0590 0.2502 -0.26764 2007 12 15 54449 -0.0607 0.2521 -0.26833 2007 12 16 54450 -0.0624 0.2540 -0.26926 2007 12 17 54451 -0.0641 0.2560 -0.27037 2007 12 18 54452 -0.0657 0.2579 -0.27154 2007 12 19 54453 -0.0673 0.2599 -0.27261 2007 12 20 54454 -0.0688 0.2619 -0.27355 2007 12 21 54455 -0.0704 0.2640 -0.27423 2007 12 22 54456 -0.0719 0.2660 -0.27456 2007 12 23 54457 -0.0733 0.2681 -0.27463 2007 12 24 54458 -0.0747 0.2702 -0.27458 2007 12 25 54459 -0.0761 0.2723 -0.27451 2007 12 26 54460 -0.0775 0.2745 -0.27454 2007 12 27 54461 -0.0788 0.2767 -0.27477 2007 12 28 54462 -0.0801 0.2789 -0.27515 2007 12 29 54463 -0.0813 0.2811 -0.27556 2007 12 30 54464 -0.0825 0.2833 -0.27602 2007 12 31 54465 -0.0837 0.2856 -0.27645 2008 1 1 54466 -0.0848 0.2878 -0.27678 2008 1 2 54467 -0.0859 0.2901 -0.27693 2008 1 3 54468 -0.0869 0.2924 -0.27690 2008 1 4 54469 -0.0879 0.2948 -0.27668 2008 1 5 54470 -0.0889 0.2971 -0.27637 2008 1 6 54471 -0.0898 0.2995 -0.27605 2008 1 7 54472 -0.0907 0.3018 -0.27578 2008 1 8 54473 -0.0916 0.3042 -0.27563 2008 1 9 54474 -0.0924 0.3066 -0.27567 2008 1 10 54475 -0.0932 0.3090 -0.27598 2008 1 11 54476 -0.0939 0.3115 -0.27658 2008 1 12 54477 -0.0946 0.3139 -0.27741 2008 1 13 54478 -0.0952 0.3164 -0.27841 2008 1 14 54479 -0.0958 0.3188 -0.27955 2008 1 15 54480 -0.0964 0.3213 -0.28062 2008 1 16 54481 -0.0969 0.3238 -0.28152 2008 1 17 54482 -0.0974 0.3263 -0.28216 2008 1 18 54483 -0.0978 0.3288 -0.28250 2008 1 19 54484 -0.0982 0.3313 -0.28261 2008 1 20 54485 -0.0985 0.3338 -0.28256 2008 1 21 54486 -0.0988 0.3363 -0.28253 2008 1 22 54487 -0.0991 0.3389 -0.28266 2008 1 23 54488 -0.0993 0.3414 -0.28305 2008 1 24 54489 -0.0995 0.3439 -0.28369 2008 1 25 54490 -0.0996 0.3465 -0.28447 2008 1 26 54491 -0.0997 0.3490 -0.28532 2008 1 27 54492 -0.0998 0.3515 -0.28612 2008 1 28 54493 -0.0998 0.3541 -0.28681 2008 1 29 54494 -0.0997 0.3566 -0.28741 2008 1 30 54495 -0.0996 0.3592 -0.28790 2008 1 31 54496 -0.0995 0.3617 -0.28829 2008 2 1 54497 -0.0993 0.3643 -0.28853 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) 54113 -58.08 .26 -2.06 .34 54114 -58.15 .30 -2.29 .12 54115 -58.09 .30 -2.54 .12 54116 -58.00 .23 -2.70 .16 54117 -57.99 .22 -2.74 .13 54118 -58.06 .22 -2.74 .13 54119 -58.04 .22 -2.69 .13 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 54075 -58.7 -3.0 54076 -58.2 -3.1 54077 -58.1 -3.0 54078 -58.0 -2.8 54079 -57.9 -2.5 54080 -58.3 -2.2 54081 -58.2 -2.1 54082 -57.9 -2.0 54083 -57.7 -2.0 54084 -57.8 -2.1 54085 -59.0 -1.9 54086 -59.1 -2.0 54087 -59.2 -2.2 54088 -58.6 -2.4 54089 -58.6 -2.4 54090 -58.3 -2.4 54091 -58.1 -2.3 54092 -58.1 -2.3 54093 -58.0 -2.2 54094 -58.0 -2.3 54095 -57.9 -2.2 54096 -58.0 -2.2 54097 -58.3 -2.1 54098 -58.6 -2.0 54099 -58.8 -2.0 54100 -58.9 -2.1 54101 -58.9 -2.3 54102 -58.7 -2.5 54103 -58.4 -2.6 54104 -58.0 -2.3 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 54113 0.104 0.103 -0.102 0.340 54114 0.108 0.119 -0.126 0.120 54115 0.131 0.119 -0.147 0.120 54116 0.159 0.091 -0.163 0.160 54117 0.183 0.088 -0.159 0.130 54118 0.193 0.088 -0.158 0.130 54119 0.195 0.088 -0.134 0.130 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 54075 0.32 -0.23 54076 0.44 -0.34 54077 0.37 -0.31 54078 0.28 -0.27 54079 0.24 -0.18 54080 0.07 -0.05 54081 0.14 -0.03 54082 0.30 0.05 54083 0.42 0.00 54084 0.43 -0.17 54085 0.00 0.01 54086 -0.00 0.02 54087 -0.01 0.04 54088 0.27 0.02 54089 0.28 0.07 54090 0.36 -0.01 54091 0.35 -0.03 54092 0.23 -0.11 54093 0.17 -0.03 54094 0.11 -0.10 54095 0.15 0.02 54096 0.16 -0.03 54097 0.13 -0.04 54098 0.11 -0.10 54099 0.11 -0.20 54100 0.09 -0.29 54101 0.04 -0.36 54102 0.00 -0.36 54103 -0.02 -0.32 54104 0.01 -0.00 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.