********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 17 December 2009 Vol. XXII No. 050 ______________________________________________________________________ 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 12 November 2009 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 9 12 11 55176 0.14261 .00009 0.19765 .00009 0.131753 0.000007 9 12 12 55177 0.14027 .00010 0.19675 .00009 0.130726 0.000008 9 12 13 55178 0.13828 .00009 0.19611 .00009 0.129888 0.000007 9 12 14 55179 0.13608 .00009 0.19584 .00009 0.129192 0.000008 9 12 15 55180 0.13329 .00009 0.19556 .00009 0.128578 0.000008 9 12 16 55181 0.13046 .00009 0.19510 .00009 0.128000 0.000048 9 12 17 55182 0.12783 .00010 0.19467 .00009 0.127438 0.000057 _______________________________________________________________________ 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 = 0.0880 - 0.0580 cos A - 0.1083 sin A + 0.0967 cos C - 0.0596 sin C y = 0.3496 - 0.0977 cos A + 0.0458 sin A - 0.0596 cos C - 0.0967 sin C UT1-UTC = 0.1200 - 0.00089 (MJD - 55190) - (UT2-UT1) where A = 2*pi*(MJD-55182)/365.25 and C = 2*pi*(MJD-55182)/435. TAI-UTC(MJD 55183) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55182)**0.80 S t = 0.00025 (MJD-55182)**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) 2009 12 18 55183 0.1251 0.1941 0.12684 2009 12 19 55184 0.1224 0.1936 0.12612 2009 12 20 55185 0.1198 0.1930 0.12524 2009 12 21 55186 0.1173 0.1924 0.12421 2009 12 22 55187 0.1147 0.1919 0.12308 2009 12 23 55188 0.1121 0.1915 0.12189 2009 12 24 55189 0.1094 0.1910 0.12069 2009 12 25 55190 0.1068 0.1906 0.11950 2009 12 26 55191 0.1042 0.1902 0.11836 2009 12 27 55192 0.1016 0.1898 0.11728 2009 12 28 55193 0.0989 0.1895 0.11630 2009 12 29 55194 0.0963 0.1892 0.11548 2009 12 30 55195 0.0937 0.1890 0.11477 2009 12 31 55196 0.0910 0.1887 0.11412 2010 1 1 55197 0.0884 0.1886 0.11342 2010 1 2 55198 0.0858 0.1884 0.11257 2010 1 3 55199 0.0832 0.1883 0.11149 2010 1 4 55200 0.0805 0.1882 0.11020 2010 1 5 55201 0.0779 0.1882 0.10879 2010 1 6 55202 0.0753 0.1882 0.10738 2010 1 7 55203 0.0727 0.1883 0.10611 2010 1 8 55204 0.0701 0.1884 0.10505 2010 1 9 55205 0.0675 0.1885 0.10423 2010 1 10 55206 0.0649 0.1887 0.10363 2010 1 11 55207 0.0623 0.1889 0.10322 2010 1 12 55208 0.0597 0.1891 0.10294 2010 1 13 55209 0.0572 0.1894 0.10272 2010 1 14 55210 0.0546 0.1897 0.10249 2010 1 15 55211 0.0521 0.1901 0.10219 2010 1 16 55212 0.0495 0.1905 0.10178 2010 1 17 55213 0.0470 0.1910 0.10125 2010 1 18 55214 0.0445 0.1914 0.10058 2010 1 19 55215 0.0420 0.1920 0.09980 2010 1 20 55216 0.0395 0.1925 0.09895 2010 1 21 55217 0.0371 0.1931 0.09808 2010 1 22 55218 0.0346 0.1938 0.09725 2010 1 23 55219 0.0322 0.1944 0.09650 2010 1 24 55220 0.0297 0.1951 0.09587 2010 1 25 55221 0.0273 0.1959 0.09538 2010 1 26 55222 0.0249 0.1967 0.09500 2010 1 27 55223 0.0226 0.1975 0.09466 2010 1 28 55224 0.0202 0.1983 0.09426 2010 1 29 55225 0.0179 0.1992 0.09367 2010 1 30 55226 0.0156 0.2002 0.09282 2010 1 31 55227 0.0133 0.2011 0.09168 2010 2 1 55228 0.0110 0.2021 0.09032 2010 2 2 55229 0.0088 0.2032 0.08888 2010 2 3 55230 0.0065 0.2042 0.08750 2010 2 4 55231 0.0043 0.2053 0.08630 2010 2 5 55232 0.0021 0.2065 0.08536 2010 2 6 55233 0.0000 0.2076 0.08466 2010 2 7 55234 -0.0022 0.2088 0.08416 2010 2 8 55235 -0.0043 0.2101 0.08378 2010 2 9 55236 -0.0064 0.2113 0.08346 2010 2 10 55237 -0.0084 0.2126 0.08311 2010 2 11 55238 -0.0104 0.2140 0.08268 2010 2 12 55239 -0.0125 0.2153 0.08212 2010 2 13 55240 -0.0144 0.2167 0.08141 2010 2 14 55241 -0.0164 0.2181 0.08054 2010 2 15 55242 -0.0183 0.2196 0.07952 2010 2 16 55243 -0.0202 0.2211 0.07842 2010 2 17 55244 -0.0221 0.2226 0.07727 2010 2 18 55245 -0.0239 0.2241 0.07613 2010 2 19 55246 -0.0257 0.2257 0.07506 2010 2 20 55247 -0.0275 0.2273 0.07409 2010 2 21 55248 -0.0292 0.2289 0.07325 2010 2 22 55249 -0.0310 0.2305 0.07253 2010 2 23 55250 -0.0326 0.2322 0.07186 2010 2 24 55251 -0.0343 0.2339 0.07116 2010 2 25 55252 -0.0359 0.2356 0.07033 2010 2 26 55253 -0.0375 0.2374 0.06925 2010 2 27 55254 -0.0391 0.2392 0.06786 2010 2 28 55255 -0.0406 0.2410 0.06620 2010 3 1 55256 -0.0421 0.2428 0.06435 2010 3 2 55257 -0.0435 0.2446 0.06248 2010 3 3 55258 -0.0450 0.2465 0.06073 2010 3 4 55259 -0.0463 0.2484 0.05920 2010 3 5 55260 -0.0477 0.2503 0.05795 2010 3 6 55261 -0.0490 0.2522 0.05692 2010 3 7 55262 -0.0503 0.2541 0.05607 2010 3 8 55263 -0.0515 0.2561 0.05529 2010 3 9 55264 -0.0527 0.2581 0.05451 2010 3 10 55265 -0.0539 0.2601 0.05367 2010 3 11 55266 -0.0551 0.2621 0.05272 2010 3 12 55267 -0.0562 0.2642 0.05162 2010 3 13 55268 -0.0572 0.2662 0.05037 2010 3 14 55269 -0.0582 0.2683 0.04898 2010 3 15 55270 -0.0592 0.2704 0.04748 2010 3 16 55271 -0.0602 0.2725 0.04594 2010 3 17 55272 -0.0611 0.2746 0.04440 2010 3 18 55273 -0.0620 0.2767 0.04292 2010 3 19 55274 -0.0628 0.2789 0.04156 2010 3 20 55275 -0.0636 0.2810 0.04034 2010 3 21 55276 -0.0644 0.2832 0.03926 2010 3 22 55277 -0.0651 0.2854 0.03827 2010 3 23 55278 -0.0658 0.2876 0.03730 2010 3 24 55279 -0.0664 0.2897 0.03625 2010 3 25 55280 -0.0671 0.2920 0.03502 2010 3 26 55281 -0.0676 0.2942 0.03353 2010 3 27 55282 -0.0682 0.2964 0.03177 2010 3 28 55283 -0.0686 0.2986 0.02978 2010 3 29 55284 -0.0691 0.3009 0.02769 2010 3 30 55285 -0.0695 0.3031 0.02565 2010 3 31 55286 -0.0699 0.3054 0.02377 2010 4 1 55287 -0.0702 0.3076 0.02216 2010 4 2 55288 -0.0705 0.3099 0.02080 2010 4 3 55289 -0.0708 0.3122 0.01965 2010 4 4 55290 -0.0710 0.3144 0.01864 2010 4 5 55291 -0.0712 0.3167 0.01774 2010 4 6 55292 -0.0714 0.3190 0.01682 2010 4 7 55293 -0.0715 0.3213 0.01581 2010 4 8 55294 -0.0715 0.3236 0.01469 2010 4 9 55295 -0.0716 0.3258 0.01343 2010 4 10 55296 -0.0715 0.3281 0.01205 2010 4 11 55297 -0.0715 0.3304 0.01057 2010 4 12 55298 -0.0714 0.3327 0.00903 2010 4 13 55299 -0.0713 0.3349 0.00749 2010 4 14 55300 -0.0711 0.3372 0.00601 2010 4 15 55301 -0.0709 0.3395 0.00464 2010 4 16 55302 -0.0707 0.3418 0.00342 2010 4 17 55303 -0.0704 0.3440 0.00235 2010 4 18 55304 -0.0701 0.3463 0.00141 2010 4 19 55305 -0.0697 0.3485 0.00051 2010 4 20 55306 -0.0694 0.3508 -0.00042 2010 4 21 55307 -0.0689 0.3530 -0.00148 2010 4 22 55308 -0.0685 0.3553 -0.00275 2010 4 23 55309 -0.0680 0.3575 -0.00425 2010 4 24 55310 -0.0674 0.3597 -0.00596 2010 4 25 55311 -0.0669 0.3619 -0.00778 2010 4 26 55312 -0.0663 0.3641 -0.00961 2010 4 27 55313 -0.0656 0.3663 -0.01131 2010 4 28 55314 -0.0649 0.3685 -0.01279 2010 4 29 55315 -0.0642 0.3707 -0.01400 2010 4 30 55316 -0.0635 0.3729 -0.01497 2010 5 1 55317 -0.0627 0.3750 -0.01577 2010 5 2 55318 -0.0619 0.3771 -0.01647 2010 5 3 55319 -0.0610 0.3793 -0.01717 2010 5 4 55320 -0.0601 0.3814 -0.01792 2010 5 5 55321 -0.0592 0.3835 -0.01876 2010 5 6 55322 -0.0583 0.3856 -0.01972 2010 5 7 55323 -0.0573 0.3876 -0.02079 2010 5 8 55324 -0.0563 0.3897 -0.02196 2010 5 9 55325 -0.0552 0.3917 -0.02318 2010 5 10 55326 -0.0542 0.3937 -0.02441 2010 5 11 55327 -0.0530 0.3957 -0.02559 2010 5 12 55328 -0.0519 0.3977 -0.02667 2010 5 13 55329 -0.0507 0.3997 -0.02761 2010 5 14 55330 -0.0495 0.4016 -0.02839 2010 5 15 55331 -0.0483 0.4036 -0.02902 2010 5 16 55332 -0.0470 0.4055 -0.02958 2010 5 17 55333 -0.0457 0.4074 -0.03014 2010 5 18 55334 -0.0444 0.4092 -0.03080 2010 5 19 55335 -0.0431 0.4111 -0.03163 2010 5 20 55336 -0.0417 0.4129 -0.03268 2010 5 21 55337 -0.0403 0.4147 -0.03391 2010 5 22 55338 -0.0389 0.4165 -0.03526 2010 5 23 55339 -0.0374 0.4183 -0.03661 2010 5 24 55340 -0.0359 0.4200 -0.03786 2010 5 25 55341 -0.0344 0.4217 -0.03891 2010 5 26 55342 -0.0329 0.4234 -0.03971 2010 5 27 55343 -0.0313 0.4251 -0.04028 2010 5 28 55344 -0.0297 0.4268 -0.04065 2010 5 29 55345 -0.0281 0.4284 -0.04090 2010 5 30 55346 -0.0265 0.4300 -0.04111 2010 5 31 55347 -0.0249 0.4315 -0.04136 2010 6 1 55348 -0.0232 0.4331 -0.04168 2010 6 2 55349 -0.0215 0.4346 -0.04212 2010 6 3 55350 -0.0198 0.4361 -0.04266 2010 6 4 55351 -0.0180 0.4376 -0.04330 2010 6 5 55352 -0.0163 0.4390 -0.04399 2010 6 6 55353 -0.0145 0.4404 -0.04470 2010 6 7 55354 -0.0127 0.4418 -0.04537 2010 6 8 55355 -0.0109 0.4432 -0.04596 2010 6 9 55356 -0.0091 0.4445 -0.04641 2010 6 10 55357 -0.0072 0.4458 -0.04671 2010 6 11 55358 -0.0054 0.4471 -0.04685 2010 6 12 55359 -0.0035 0.4483 -0.04689 2010 6 13 55360 -0.0016 0.4495 -0.04691 2010 6 14 55361 0.0003 0.4507 -0.04701 2010 6 15 55362 0.0023 0.4519 -0.04727 2010 6 16 55363 0.0042 0.4530 -0.04776 2010 6 17 55364 0.0062 0.4541 -0.04845 2010 6 18 55365 0.0081 0.4552 -0.04926 2010 6 19 55366 0.0101 0.4562 -0.05008 2010 6 20 55367 0.0121 0.4572 -0.05080 2010 6 21 55368 0.0141 0.4582 -0.05133 2010 6 22 55369 0.0161 0.4591 -0.05163 2010 6 23 55370 0.0181 0.4600 -0.05169 2010 6 24 55371 0.0202 0.4609 -0.05156 2010 6 25 55372 0.0222 0.4618 -0.05129 2010 6 26 55373 0.0243 0.4626 -0.05098 2010 6 27 55374 0.0263 0.4634 -0.05068 2010 6 28 55375 0.0284 0.4641 -0.05045 2010 6 29 55376 0.0305 0.4649 -0.05034 2010 6 30 55377 0.0326 0.4655 -0.05034 2010 7 1 55378 0.0347 0.4662 -0.05044 2010 7 2 55379 0.0368 0.4668 -0.05063 2010 7 3 55380 0.0389 0.4674 -0.05086 2010 7 4 55381 0.0410 0.4680 -0.05111 2010 7 5 55382 0.0431 0.4685 -0.05133 2010 7 6 55383 0.0452 0.4690 -0.05148 2010 7 7 55384 0.0473 0.4695 -0.05155 2010 7 8 55385 0.0494 0.4699 -0.05153 2010 7 9 55386 0.0515 0.4703 -0.05145 2010 7 10 55387 0.0536 0.4707 -0.05137 2010 7 11 55388 0.0557 0.4710 -0.05138 2010 7 12 55389 0.0578 0.4713 -0.05157 2010 7 13 55390 0.0600 0.4716 -0.05200 2010 7 14 55391 0.0621 0.4718 -0.05268 2010 7 15 55392 0.0642 0.4720 -0.05354 2010 7 16 55393 0.0663 0.4722 -0.05446 2010 7 17 55394 0.0684 0.4723 -0.05530 2010 7 18 55395 0.0705 0.4724 -0.05595 2010 7 19 55396 0.0726 0.4725 -0.05636 2010 7 20 55397 0.0747 0.4726 -0.05652 2010 7 21 55398 0.0768 0.4726 -0.05648 2010 7 22 55399 0.0788 0.4726 -0.05631 2010 7 23 55400 0.0809 0.4725 -0.05608 2010 7 24 55401 0.0830 0.4724 -0.05585 2010 7 25 55402 0.0850 0.4723 -0.05570 2010 7 26 55403 0.0871 0.4722 -0.05569 2010 7 27 55404 0.0891 0.4720 -0.05585 2010 7 28 55405 0.0911 0.4718 -0.05614 2010 7 29 55406 0.0932 0.4715 -0.05651 2010 7 30 55407 0.0952 0.4713 -0.05689 2010 7 31 55408 0.0972 0.4709 -0.05728 2010 8 1 55409 0.0992 0.4706 -0.05761 2010 8 2 55410 0.1011 0.4703 -0.05781 2010 8 3 55411 0.1031 0.4699 -0.05781 2010 8 4 55412 0.1051 0.4694 -0.05764 2010 8 5 55413 0.1070 0.4690 -0.05738 2010 8 6 55414 0.1089 0.4685 -0.05710 2010 8 7 55415 0.1108 0.4680 -0.05686 2010 8 8 55416 0.1127 0.4674 -0.05673 2010 8 9 55417 0.1146 0.4669 -0.05686 2010 8 10 55418 0.1165 0.4663 -0.05726 2010 8 11 55419 0.1183 0.4656 -0.05791 2010 8 12 55420 0.1201 0.4650 -0.05870 2010 8 13 55421 0.1220 0.4643 -0.05952 2010 8 14 55422 0.1238 0.4636 -0.06025 2010 8 15 55423 0.1255 0.4629 -0.06081 2010 8 16 55424 0.1273 0.4621 -0.06112 2010 8 17 55425 0.1291 0.4613 -0.06121 2010 8 18 55426 0.1308 0.4605 -0.06115 2010 8 19 55427 0.1325 0.4596 -0.06098 2010 8 20 55428 0.1342 0.4588 -0.06082 2010 8 21 55429 0.1358 0.4579 -0.06073 2010 8 22 55430 0.1375 0.4569 -0.06080 2010 8 23 55431 0.1391 0.4560 -0.06101 2010 8 24 55432 0.1407 0.4550 -0.06136 2010 8 25 55433 0.1423 0.4540 -0.06181 2010 8 26 55434 0.1439 0.4530 -0.06232 2010 8 27 55435 0.1454 0.4520 -0.06284 2010 8 28 55436 0.1469 0.4509 -0.06335 2010 8 29 55437 0.1484 0.4498 -0.06380 2010 8 30 55438 0.1499 0.4487 -0.06415 2010 8 31 55439 0.1513 0.4475 -0.06433 2010 9 1 55440 0.1527 0.4464 -0.06436 2010 9 2 55441 0.1541 0.4452 -0.06432 2010 9 3 55442 0.1555 0.4440 -0.06431 2010 9 4 55443 0.1568 0.4428 -0.06441 2010 9 5 55444 0.1582 0.4416 -0.06468 2010 9 6 55445 0.1595 0.4403 -0.06519 2010 9 7 55446 0.1607 0.4390 -0.06598 2010 9 8 55447 0.1620 0.4377 -0.06705 2010 9 9 55448 0.1632 0.4364 -0.06827 2010 9 10 55449 0.1644 0.4351 -0.06943 2010 9 11 55450 0.1656 0.4337 -0.07037 2010 9 12 55451 0.1667 0.4323 -0.07103 2010 9 13 55452 0.1678 0.4310 -0.07139 2010 9 14 55453 0.1689 0.4295 -0.07147 2010 9 15 55454 0.1699 0.4281 -0.07135 2010 9 16 55455 0.1710 0.4267 -0.07118 2010 9 17 55456 0.1720 0.4252 -0.07113 2010 9 18 55457 0.1729 0.4238 -0.07125 2010 9 19 55458 0.1739 0.4223 -0.07151 2010 9 20 55459 0.1748 0.4208 -0.07192 2010 9 21 55460 0.1757 0.4193 -0.07247 2010 9 22 55461 0.1766 0.4178 -0.07311 2010 9 23 55462 0.1774 0.4162 -0.07381 2010 9 24 55463 0.1782 0.4147 -0.07454 2010 9 25 55464 0.1790 0.4131 -0.07522 2010 9 26 55465 0.1797 0.4116 -0.07581 2010 9 27 55466 0.1804 0.4100 -0.07634 2010 9 28 55467 0.1811 0.4084 -0.07678 2010 9 29 55468 0.1818 0.4068 -0.07713 2010 9 30 55469 0.1824 0.4052 -0.07742 2010 10 1 55470 0.1830 0.4036 -0.07771 2010 10 2 55471 0.1835 0.4019 -0.07813 2010 10 3 55472 0.1841 0.4003 -0.07878 2010 10 4 55473 0.1846 0.3987 -0.07972 2010 10 5 55474 0.1851 0.3970 -0.08095 2010 10 6 55475 0.1855 0.3954 -0.08238 2010 10 7 55476 0.1859 0.3937 -0.08385 2010 10 8 55477 0.1863 0.3920 -0.08521 2010 10 9 55478 0.1867 0.3904 -0.08635 2010 10 10 55479 0.1870 0.3887 -0.08724 2010 10 11 55480 0.1873 0.3870 -0.08789 2010 10 12 55481 0.1876 0.3853 -0.08840 2010 10 13 55482 0.1878 0.3836 -0.08881 2010 10 14 55483 0.1880 0.3819 -0.08924 2010 10 15 55484 0.1882 0.3802 -0.08979 2010 10 16 55485 0.1884 0.3785 -0.09048 2010 10 17 55486 0.1885 0.3768 -0.09133 2010 10 18 55487 0.1886 0.3751 -0.09235 2010 10 19 55488 0.1886 0.3734 -0.09340 2010 10 20 55489 0.1887 0.3717 -0.09443 2010 10 21 55490 0.1887 0.3700 -0.09537 2010 10 22 55491 0.1886 0.3683 -0.09620 2010 10 23 55492 0.1886 0.3666 -0.09689 2010 10 24 55493 0.1885 0.3649 -0.09741 2010 10 25 55494 0.1884 0.3632 -0.09776 2010 10 26 55495 0.1883 0.3615 -0.09799 2010 10 27 55496 0.1881 0.3599 -0.09813 2010 10 28 55497 0.1879 0.3582 -0.09828 2010 10 29 55498 0.1877 0.3565 -0.09860 2010 10 30 55499 0.1874 0.3548 -0.09915 2010 10 31 55500 0.1871 0.3531 -0.09994 2010 11 1 55501 0.1868 0.3515 -0.10100 2010 11 2 55502 0.1865 0.3498 -0.10224 2010 11 3 55503 0.1861 0.3481 -0.10353 2010 11 4 55504 0.1858 0.3465 -0.10473 2010 11 5 55505 0.1853 0.3449 -0.10578 2010 11 6 55506 0.1849 0.3432 -0.10672 2010 11 7 55507 0.1844 0.3416 -0.10750 2010 11 8 55508 0.1839 0.3400 -0.10812 2010 11 9 55509 0.1834 0.3384 -0.10866 2010 11 10 55510 0.1829 0.3367 -0.10920 2010 11 11 55511 0.1823 0.3352 -0.10981 2010 11 12 55512 0.1817 0.3336 -0.11049 2010 11 13 55513 0.1811 0.3320 -0.11127 2010 11 14 55514 0.1804 0.3304 -0.11210 2010 11 15 55515 0.1798 0.3289 -0.11296 2010 11 16 55516 0.1791 0.3273 -0.11381 2010 11 17 55517 0.1784 0.3258 -0.11465 2010 11 18 55518 0.1776 0.3243 -0.11540 2010 11 19 55519 0.1769 0.3228 -0.11610 2010 11 20 55520 0.1761 0.3213 -0.11667 2010 11 21 55521 0.1753 0.3198 -0.11713 2010 11 22 55522 0.1745 0.3183 -0.11748 2010 11 23 55523 0.1736 0.3169 -0.11774 2010 11 24 55524 0.1727 0.3154 -0.11802 2010 11 25 55525 0.1718 0.3140 -0.11838 2010 11 26 55526 0.1709 0.3126 -0.11891 2010 11 27 55527 0.1700 0.3112 -0.11968 2010 11 28 55528 0.1690 0.3098 -0.12070 2010 11 29 55529 0.1681 0.3084 -0.12191 2010 11 30 55530 0.1671 0.3071 -0.12326 2010 12 1 55531 0.1660 0.3058 -0.12466 2010 12 2 55532 0.1650 0.3044 -0.12597 2010 12 3 55533 0.1640 0.3031 -0.12709 2010 12 4 55534 0.1629 0.3019 -0.12801 2010 12 5 55535 0.1618 0.3006 -0.12875 2010 12 6 55536 0.1607 0.2993 -0.12937 2010 12 7 55537 0.1596 0.2981 -0.12995 2010 12 8 55538 0.1585 0.2969 -0.13055 2010 12 9 55539 0.1573 0.2957 -0.13119 2010 12 10 55540 0.1561 0.2945 -0.13195 2010 12 11 55541 0.1549 0.2934 -0.13278 2010 12 12 55542 0.1538 0.2922 -0.13374 2010 12 13 55543 0.1525 0.2911 -0.13479 2010 12 14 55544 0.1513 0.2900 -0.13585 2010 12 15 55545 0.1501 0.2889 -0.13685 2010 12 16 55546 0.1488 0.2879 -0.13776 2010 12 17 55547 0.1476 0.2868 -0.13858 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) 55161 -65.98 0.42 -5.96 0.34 55162 -66.25 0.42 -6.04 0.34 55163 -66.48 1.44 -6.22 0.26 55164 -66.57 0.17 -6.29 0.34 55165 -66.49 0.17 -6.14 0.34 55166 -66.30 0.17 -5.88 0.34 55167 -66.08 0.18 -5.72 0.34 55168 -65.83 0.18 -5.70 0.34 55169 -65.58 0.18 -5.70 0.34 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55161 -0.041 0.167 -0.268 0.340 55162 -0.059 0.167 -0.239 0.340 55163 -0.075 0.573 -0.239 0.260 55164 -0.087 0.068 -0.242 0.340 55165 -0.099 0.068 -0.246 0.340 55166 -0.104 0.068 -0.247 0.340 55167 -0.107 0.072 -0.254 0.340 55168 -0.103 0.072 -0.257 0.340 55169 -0.089 0.072 -0.252 0.340 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.