********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 14 January 2010 Vol. XXIII No. 002 ______________________________________________________________________ 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 ********************************************************************** * There will NOT be a leap second introduced * * in UTC on 30 June 2010. * ********************************************************************** ________________________________________________________________________ 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 1 8 55204 0.08117 .00009 0.19440 .00009 0.106236 0.000016 10 1 9 55205 0.07791 .00009 0.19445 .00009 0.105385 0.000013 10 1 10 55206 0.07422 .00009 0.19435 .00009 0.104812 0.000010 10 1 11 55207 0.07061 .00009 0.19429 .00009 0.104424 0.000009 10 1 12 55208 0.06760 .00009 0.19432 .00009 0.104126 0.000037 10 1 13 55209 0.06490 .00009 0.19450 .00010 0.103858 0.000048 10 1 14 55210 0.06216 .00009 0.19489 .00009 0.103573 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 = 0.0912 - 0.1114 cos A - 0.0610 sin A + 0.0807 cos C - 0.0939 sin C y = 0.3437 - 0.0560 cos A + 0.0989 sin A - 0.0939 cos C - 0.0807 sin C UT1-UTC = 0.1013 - 0.00089 (MJD - 55218) - (UT2-UT1) where A = 2*pi*(MJD-55210)/365.25 and C = 2*pi*(MJD-55210)/435. TAI-UTC(MJD 55211) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55210)**0.80 S t = 0.00025 (MJD-55210)**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 1 15 55211 0.0596 0.1952 0.10320 2010 1 16 55212 0.0569 0.1956 0.10272 2010 1 17 55213 0.0543 0.1960 0.10209 2010 1 18 55214 0.0516 0.1965 0.10131 2010 1 19 55215 0.0489 0.1969 0.10041 2010 1 20 55216 0.0464 0.1974 0.09946 2010 1 21 55217 0.0439 0.1979 0.09849 2010 1 22 55218 0.0414 0.1984 0.09755 2010 1 23 55219 0.0389 0.1990 0.09671 2010 1 24 55220 0.0365 0.1997 0.09598 2010 1 25 55221 0.0341 0.2004 0.09538 2010 1 26 55222 0.0317 0.2011 0.09489 2010 1 27 55223 0.0293 0.2018 0.09444 2010 1 28 55224 0.0270 0.2026 0.09392 2010 1 29 55225 0.0247 0.2034 0.09322 2010 1 30 55226 0.0223 0.2042 0.09223 2010 1 31 55227 0.0201 0.2051 0.09095 2010 2 1 55228 0.0178 0.2060 0.08947 2010 2 2 55229 0.0155 0.2070 0.08793 2010 2 3 55230 0.0133 0.2080 0.08647 2010 2 4 55231 0.0111 0.2090 0.08519 2010 2 5 55232 0.0089 0.2100 0.08415 2010 2 6 55233 0.0068 0.2111 0.08333 2010 2 7 55234 0.0046 0.2122 0.08268 2010 2 8 55235 0.0025 0.2134 0.08213 2010 2 9 55236 0.0004 0.2146 0.08161 2010 2 10 55237 -0.0016 0.2158 0.08106 2010 2 11 55238 -0.0037 0.2170 0.08043 2010 2 12 55239 -0.0057 0.2183 0.07968 2010 2 13 55240 -0.0077 0.2196 0.07880 2010 2 14 55241 -0.0096 0.2209 0.07777 2010 2 15 55242 -0.0116 0.2223 0.07662 2010 2 16 55243 -0.0135 0.2237 0.07539 2010 2 17 55244 -0.0154 0.2251 0.07413 2010 2 18 55245 -0.0172 0.2265 0.07289 2010 2 19 55246 -0.0190 0.2280 0.07172 2010 2 20 55247 -0.0208 0.2295 0.07067 2010 2 21 55248 -0.0226 0.2311 0.06975 2010 2 22 55249 -0.0243 0.2326 0.06896 2010 2 23 55250 -0.0260 0.2342 0.06825 2010 2 24 55251 -0.0277 0.2358 0.06753 2010 2 25 55252 -0.0294 0.2375 0.06670 2010 2 26 55253 -0.0310 0.2391 0.06564 2010 2 27 55254 -0.0326 0.2408 0.06430 2010 2 28 55255 -0.0341 0.2425 0.06269 2010 3 1 55256 -0.0356 0.2443 0.06093 2010 3 2 55257 -0.0371 0.2460 0.05914 2010 3 3 55258 -0.0386 0.2478 0.05748 2010 3 4 55259 -0.0400 0.2496 0.05607 2010 3 5 55260 -0.0414 0.2514 0.05493 2010 3 6 55261 -0.0427 0.2533 0.05404 2010 3 7 55262 -0.0440 0.2552 0.05332 2010 3 8 55263 -0.0453 0.2570 0.05269 2010 3 9 55264 -0.0465 0.2589 0.05207 2010 3 10 55265 -0.0478 0.2609 0.05139 2010 3 11 55266 -0.0489 0.2628 0.05060 2010 3 12 55267 -0.0501 0.2648 0.04967 2010 3 13 55268 -0.0512 0.2668 0.04860 2010 3 14 55269 -0.0523 0.2687 0.04739 2010 3 15 55270 -0.0533 0.2708 0.04608 2010 3 16 55271 -0.0543 0.2728 0.04472 2010 3 17 55272 -0.0552 0.2748 0.04337 2010 3 18 55273 -0.0562 0.2769 0.04208 2010 3 19 55274 -0.0571 0.2789 0.04089 2010 3 20 55275 -0.0579 0.2810 0.03985 2010 3 21 55276 -0.0587 0.2831 0.03893 2010 3 22 55277 -0.0595 0.2852 0.03811 2010 3 23 55278 -0.0602 0.2873 0.03731 2010 3 24 55279 -0.0609 0.2895 0.03642 2010 3 25 55280 -0.0616 0.2916 0.03536 2010 3 26 55281 -0.0622 0.2938 0.03403 2010 3 27 55282 -0.0628 0.2959 0.03243 2010 3 28 55283 -0.0633 0.2981 0.03061 2010 3 29 55284 -0.0639 0.3003 0.02869 2010 3 30 55285 -0.0643 0.3024 0.02681 2010 3 31 55286 -0.0648 0.3046 0.02511 2010 4 1 55287 -0.0652 0.3068 0.02366 2010 4 2 55288 -0.0655 0.3090 0.02248 2010 4 3 55289 -0.0658 0.3112 0.02151 2010 4 4 55290 -0.0661 0.3134 0.02066 2010 4 5 55291 -0.0664 0.3157 0.01986 2010 4 6 55292 -0.0666 0.3179 0.01902 2010 4 7 55293 -0.0667 0.3201 0.01809 2010 4 8 55294 -0.0668 0.3223 0.01705 2010 4 9 55295 -0.0669 0.3246 0.01587 2010 4 10 55296 -0.0670 0.3268 0.01456 2010 4 11 55297 -0.0670 0.3290 0.01315 2010 4 12 55298 -0.0670 0.3312 0.01168 2010 4 13 55299 -0.0669 0.3335 0.01020 2010 4 14 55300 -0.0668 0.3357 0.00878 2010 4 15 55301 -0.0667 0.3379 0.00746 2010 4 16 55302 -0.0665 0.3401 0.00629 2010 4 17 55303 -0.0663 0.3423 0.00526 2010 4 18 55304 -0.0660 0.3445 0.00435 2010 4 19 55305 -0.0658 0.3468 0.00349 2010 4 20 55306 -0.0654 0.3490 0.00260 2010 4 21 55307 -0.0651 0.3512 0.00156 2010 4 22 55308 -0.0647 0.3533 0.00032 2010 4 23 55309 -0.0642 0.3555 -0.00115 2010 4 24 55310 -0.0638 0.3577 -0.00283 2010 4 25 55311 -0.0633 0.3599 -0.00464 2010 4 26 55312 -0.0627 0.3620 -0.00645 2010 4 27 55313 -0.0622 0.3642 -0.00813 2010 4 28 55314 -0.0615 0.3663 -0.00958 2010 4 29 55315 -0.0609 0.3685 -0.01078 2010 4 30 55316 -0.0602 0.3706 -0.01173 2010 5 1 55317 -0.0595 0.3727 -0.01250 2010 5 2 55318 -0.0587 0.3748 -0.01319 2010 5 3 55319 -0.0580 0.3769 -0.01381 2010 5 4 55320 -0.0571 0.3790 -0.01449 2010 5 5 55321 -0.0563 0.3810 -0.01526 2010 5 6 55322 -0.0554 0.3831 -0.01615 2010 5 7 55323 -0.0545 0.3851 -0.01715 2010 5 8 55324 -0.0535 0.3872 -0.01824 2010 5 9 55325 -0.0526 0.3892 -0.01939 2010 5 10 55326 -0.0515 0.3912 -0.02055 2010 5 11 55327 -0.0505 0.3931 -0.02165 2010 5 12 55328 -0.0494 0.3951 -0.02266 2010 5 13 55329 -0.0483 0.3970 -0.02352 2010 5 14 55330 -0.0472 0.3990 -0.02421 2010 5 15 55331 -0.0460 0.4009 -0.02477 2010 5 16 55332 -0.0448 0.4028 -0.02524 2010 5 17 55333 -0.0436 0.4046 -0.02571 2010 5 18 55334 -0.0423 0.4065 -0.02629 2010 5 19 55335 -0.0410 0.4083 -0.02704 2010 5 20 55336 -0.0397 0.4101 -0.02800 2010 5 21 55337 -0.0384 0.4119 -0.02915 2010 5 22 55338 -0.0370 0.4137 -0.03041 2010 5 23 55339 -0.0356 0.4154 -0.03168 2010 5 24 55340 -0.0342 0.4172 -0.03285 2010 5 25 55341 -0.0328 0.4189 -0.03382 2010 5 26 55342 -0.0313 0.4205 -0.03455 2010 5 27 55343 -0.0298 0.4222 -0.03505 2010 5 28 55344 -0.0283 0.4238 -0.03534 2010 5 29 55345 -0.0267 0.4255 -0.03552 2010 5 30 55346 -0.0252 0.4270 -0.03567 2010 5 31 55347 -0.0236 0.4286 -0.03584 2010 6 1 55348 -0.0220 0.4301 -0.03610 2010 6 2 55349 -0.0203 0.4317 -0.03647 2010 6 3 55350 -0.0187 0.4332 -0.03695 2010 6 4 55351 -0.0170 0.4346 -0.03752 2010 6 5 55352 -0.0153 0.4361 -0.03815 2010 6 6 55353 -0.0136 0.4375 -0.03879 2010 6 7 55354 -0.0118 0.4389 -0.03940 2010 6 8 55355 -0.0101 0.4402 -0.03993 2010 6 9 55356 -0.0083 0.4415 -0.04033 2010 6 10 55357 -0.0065 0.4428 -0.04057 2010 6 11 55358 -0.0047 0.4441 -0.04067 2010 6 12 55359 -0.0029 0.4454 -0.04067 2010 6 13 55360 -0.0010 0.4466 -0.04065 2010 6 14 55361 0.0008 0.4478 -0.04071 2010 6 15 55362 0.0027 0.4489 -0.04094 2010 6 16 55363 0.0046 0.4501 -0.04140 2010 6 17 55364 0.0065 0.4512 -0.04206 2010 6 18 55365 0.0084 0.4523 -0.04284 2010 6 19 55366 0.0104 0.4533 -0.04365 2010 6 20 55367 0.0123 0.4543 -0.04435 2010 6 21 55368 0.0143 0.4553 -0.04486 2010 6 22 55369 0.0162 0.4563 -0.04514 2010 6 23 55370 0.0182 0.4572 -0.04518 2010 6 24 55371 0.0202 0.4581 -0.04503 2010 6 25 55372 0.0222 0.4589 -0.04475 2010 6 26 55373 0.0242 0.4598 -0.04441 2010 6 27 55374 0.0262 0.4606 -0.04410 2010 6 28 55375 0.0282 0.4613 -0.04387 2010 6 29 55376 0.0303 0.4621 -0.04375 2010 6 30 55377 0.0323 0.4628 -0.04375 2010 7 1 55378 0.0344 0.4635 -0.04385 2010 7 2 55379 0.0364 0.4641 -0.04403 2010 7 3 55380 0.0385 0.4647 -0.04424 2010 7 4 55381 0.0405 0.4653 -0.04444 2010 7 5 55382 0.0426 0.4659 -0.04457 2010 7 6 55383 0.0447 0.4664 -0.04460 2010 7 7 55384 0.0467 0.4669 -0.04449 2010 7 8 55385 0.0488 0.4673 -0.04425 2010 7 9 55386 0.0509 0.4677 -0.04389 2010 7 10 55387 0.0530 0.4681 -0.04349 2010 7 11 55388 0.0551 0.4685 -0.04315 2010 7 12 55389 0.0571 0.4688 -0.04296 2010 7 13 55390 0.0592 0.4691 -0.04300 2010 7 14 55391 0.0613 0.4694 -0.04329 2010 7 15 55392 0.0634 0.4696 -0.04375 2010 7 16 55393 0.0654 0.4698 -0.04426 2010 7 17 55394 0.0675 0.4700 -0.04468 2010 7 18 55395 0.0696 0.4701 -0.04489 2010 7 19 55396 0.0717 0.4702 -0.04485 2010 7 20 55397 0.0737 0.4703 -0.04454 2010 7 21 55398 0.0758 0.4703 -0.04403 2010 7 22 55399 0.0778 0.4703 -0.04338 2010 7 23 55400 0.0799 0.4703 -0.04269 2010 7 24 55401 0.0819 0.4703 -0.04205 2010 7 25 55402 0.0839 0.4702 -0.04153 2010 7 26 55403 0.0860 0.4701 -0.04118 2010 7 27 55404 0.0880 0.4699 -0.04100 2010 7 28 55405 0.0900 0.4697 -0.04100 2010 7 29 55406 0.0920 0.4695 -0.04113 2010 7 30 55407 0.0940 0.4693 -0.04134 2010 7 31 55408 0.0960 0.4690 -0.04158 2010 8 1 55409 0.0979 0.4687 -0.04178 2010 8 2 55410 0.0999 0.4684 -0.04190 2010 8 3 55411 0.1019 0.4680 -0.04191 2010 8 4 55412 0.1038 0.4676 -0.04178 2010 8 5 55413 0.1057 0.4672 -0.04154 2010 8 6 55414 0.1076 0.4668 -0.04124 2010 8 7 55415 0.1095 0.4663 -0.04096 2010 8 8 55416 0.1114 0.4658 -0.04081 2010 8 9 55417 0.1133 0.4652 -0.04090 2010 8 10 55418 0.1151 0.4647 -0.04128 2010 8 11 55419 0.1170 0.4641 -0.04193 2010 8 12 55420 0.1188 0.4635 -0.04274 2010 8 13 55421 0.1206 0.4628 -0.04357 2010 8 14 55422 0.1224 0.4621 -0.04427 2010 8 15 55423 0.1242 0.4614 -0.04473 2010 8 16 55424 0.1259 0.4607 -0.04491 2010 8 17 55425 0.1277 0.4600 -0.04487 2010 8 18 55426 0.1294 0.4592 -0.04467 2010 8 19 55427 0.1311 0.4584 -0.04440 2010 8 20 55428 0.1328 0.4575 -0.04415 2010 8 21 55429 0.1344 0.4567 -0.04397 2010 8 22 55430 0.1361 0.4558 -0.04396 2010 8 23 55431 0.1377 0.4549 -0.04417 2010 8 24 55432 0.1393 0.4539 -0.04461 2010 8 25 55433 0.1409 0.4530 -0.04524 2010 8 26 55434 0.1425 0.4520 -0.04599 2010 8 27 55435 0.1440 0.4510 -0.04680 2010 8 28 55436 0.1455 0.4500 -0.04759 2010 8 29 55437 0.1470 0.4489 -0.04833 2010 8 30 55438 0.1485 0.4478 -0.04900 2010 8 31 55439 0.1499 0.4467 -0.04951 2010 9 1 55440 0.1514 0.4456 -0.04993 2010 9 2 55441 0.1528 0.4445 -0.05033 2010 9 3 55442 0.1541 0.4433 -0.05078 2010 9 4 55443 0.1555 0.4421 -0.05132 2010 9 5 55444 0.1568 0.4409 -0.05204 2010 9 6 55445 0.1581 0.4397 -0.05302 2010 9 7 55446 0.1594 0.4385 -0.05430 2010 9 8 55447 0.1607 0.4372 -0.05579 2010 9 9 55448 0.1619 0.4359 -0.05740 2010 9 10 55449 0.1631 0.4346 -0.05893 2010 9 11 55450 0.1643 0.4333 -0.06029 2010 9 12 55451 0.1654 0.4320 -0.06139 2010 9 13 55452 0.1665 0.4306 -0.06223 2010 9 14 55453 0.1676 0.4292 -0.06288 2010 9 15 55454 0.1687 0.4279 -0.06345 2010 9 16 55455 0.1698 0.4265 -0.06400 2010 9 17 55456 0.1708 0.4250 -0.06458 2010 9 18 55457 0.1718 0.4236 -0.06525 2010 9 19 55458 0.1727 0.4222 -0.06606 2010 9 20 55459 0.1737 0.4207 -0.06704 2010 9 21 55460 0.1746 0.4192 -0.06818 2010 9 22 55461 0.1754 0.4177 -0.06943 2010 9 23 55462 0.1763 0.4162 -0.07067 2010 9 24 55463 0.1771 0.4147 -0.07187 2010 9 25 55464 0.1779 0.4132 -0.07302 2010 9 26 55465 0.1786 0.4117 -0.07406 2010 9 27 55466 0.1794 0.4101 -0.07493 2010 9 28 55467 0.1801 0.4086 -0.07560 2010 9 29 55468 0.1808 0.4070 -0.07615 2010 9 30 55469 0.1814 0.4054 -0.07669 2010 10 1 55470 0.1820 0.4038 -0.07732 2010 10 2 55471 0.1826 0.4022 -0.07810 2010 10 3 55472 0.1832 0.4006 -0.07910 2010 10 4 55473 0.1837 0.3990 -0.08037 2010 10 5 55474 0.1842 0.3974 -0.08190 2010 10 6 55475 0.1847 0.3958 -0.08358 2010 10 7 55476 0.1851 0.3941 -0.08528 2010 10 8 55477 0.1855 0.3925 -0.08688 2010 10 9 55478 0.1859 0.3908 -0.08832 2010 10 10 55479 0.1862 0.3892 -0.08955 2010 10 11 55480 0.1866 0.3875 -0.09055 2010 10 12 55481 0.1869 0.3859 -0.09141 2010 10 13 55482 0.1871 0.3842 -0.09221 2010 10 14 55483 0.1873 0.3826 -0.09301 2010 10 15 55484 0.1876 0.3809 -0.09387 2010 10 16 55485 0.1877 0.3792 -0.09485 2010 10 17 55486 0.1879 0.3775 -0.09599 2010 10 18 55487 0.1880 0.3759 -0.09724 2010 10 19 55488 0.1881 0.3742 -0.09857 2010 10 20 55489 0.1881 0.3725 -0.09993 2010 10 21 55490 0.1882 0.3708 -0.10128 2010 10 22 55491 0.1882 0.3692 -0.10254 2010 10 23 55492 0.1881 0.3675 -0.10371 2010 10 24 55493 0.1881 0.3658 -0.10478 2010 10 25 55494 0.1880 0.3641 -0.10571 2010 10 26 55495 0.1879 0.3625 -0.10649 2010 10 27 55496 0.1877 0.3608 -0.10717 2010 10 28 55497 0.1876 0.3591 -0.10786 2010 10 29 55498 0.1874 0.3575 -0.10866 2010 10 30 55499 0.1871 0.3558 -0.10967 2010 10 31 55500 0.1869 0.3541 -0.11086 2010 11 1 55501 0.1866 0.3525 -0.11225 2010 11 2 55502 0.1863 0.3508 -0.11379 2010 11 3 55503 0.1859 0.3492 -0.11544 2010 11 4 55504 0.1856 0.3476 -0.11708 2010 11 5 55505 0.1852 0.3459 -0.11855 2010 11 6 55506 0.1848 0.3443 -0.11974 2010 11 7 55507 0.1843 0.3427 -0.12066 2010 11 8 55508 0.1839 0.3411 -0.12136 2010 11 9 55509 0.1834 0.3395 -0.12186 2010 11 10 55510 0.1828 0.3379 -0.12225 2010 11 11 55511 0.1823 0.3363 -0.12265 2010 11 12 55512 0.1817 0.3348 -0.12322 2010 11 13 55513 0.1811 0.3332 -0.12395 2010 11 14 55514 0.1805 0.3317 -0.12479 2010 11 15 55515 0.1798 0.3301 -0.12572 2010 11 16 55516 0.1792 0.3286 -0.12670 2010 11 17 55517 0.1785 0.3271 -0.12769 2010 11 18 55518 0.1778 0.3255 -0.12864 2010 11 19 55519 0.1770 0.3241 -0.12954 2010 11 20 55520 0.1763 0.3226 -0.13032 2010 11 21 55521 0.1755 0.3211 -0.13097 2010 11 22 55522 0.1747 0.3196 -0.13156 2010 11 23 55523 0.1738 0.3182 -0.13210 2010 11 24 55524 0.1730 0.3168 -0.13262 2010 11 25 55525 0.1721 0.3153 -0.13317 2010 11 26 55526 0.1712 0.3139 -0.13381 2010 11 27 55527 0.1703 0.3125 -0.13464 2010 11 28 55528 0.1694 0.3112 -0.13566 2010 11 29 55529 0.1684 0.3098 -0.13686 2010 11 30 55530 0.1674 0.3085 -0.13816 2010 12 1 55531 0.1664 0.3071 -0.13945 2010 12 2 55532 0.1654 0.3058 -0.14061 2010 12 3 55533 0.1644 0.3045 -0.14155 2010 12 4 55534 0.1633 0.3032 -0.14228 2010 12 5 55535 0.1623 0.3020 -0.14281 2010 12 6 55536 0.1612 0.3007 -0.14321 2010 12 7 55537 0.1601 0.2995 -0.14357 2010 12 8 55538 0.1589 0.2983 -0.14393 2010 12 9 55539 0.1578 0.2971 -0.14437 2010 12 10 55540 0.1566 0.2959 -0.14496 2010 12 11 55541 0.1555 0.2947 -0.14566 2010 12 12 55542 0.1543 0.2936 -0.14649 2010 12 13 55543 0.1531 0.2925 -0.14742 2010 12 14 55544 0.1519 0.2914 -0.14831 2010 12 15 55545 0.1506 0.2903 -0.14908 2010 12 16 55546 0.1494 0.2892 -0.14969 2010 12 17 55547 0.1481 0.2882 -0.15012 2010 12 18 55548 0.1469 0.2872 -0.15040 2010 12 19 55549 0.1456 0.2862 -0.15049 2010 12 20 55550 0.1443 0.2852 -0.15046 2010 12 21 55551 0.1430 0.2842 -0.15038 2010 12 22 55552 0.1417 0.2833 -0.15033 2010 12 23 55553 0.1404 0.2824 -0.15041 2010 12 24 55554 0.1390 0.2815 -0.15075 2010 12 25 55555 0.1377 0.2806 -0.15136 2010 12 26 55556 0.1363 0.2797 -0.15216 2010 12 27 55557 0.1349 0.2789 -0.15307 2010 12 28 55558 0.1336 0.2781 -0.15396 2010 12 29 55559 0.1322 0.2773 -0.15469 2010 12 30 55560 0.1308 0.2765 -0.15518 2010 12 31 55561 0.1294 0.2758 -0.15547 2011 1 1 55562 0.1280 0.2750 -0.15570 2011 1 2 55563 0.1266 0.2743 -0.15586 2011 1 3 55564 0.1251 0.2737 -0.15600 2011 1 4 55565 0.1237 0.2730 -0.15619 2011 1 5 55566 0.1223 0.2724 -0.15647 2011 1 6 55567 0.1209 0.2718 -0.15687 2011 1 7 55568 0.1194 0.2712 -0.15738 2011 1 8 55569 0.1180 0.2706 -0.15798 2011 1 9 55570 0.1165 0.2700 -0.15859 2011 1 10 55571 0.1151 0.2695 -0.15918 2011 1 11 55572 0.1136 0.2690 -0.15969 2011 1 12 55573 0.1122 0.2685 -0.16012 2011 1 13 55574 0.1107 0.2681 -0.16042 2011 1 14 55575 0.1092 0.2676 -0.16065 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) 55184 -64.60 0.25 -5.29 0.23 55185 -64.34 0.19 -5.09 0.13 55186 -64.24 0.18 -5.03 0.11 55187 -64.37 0.16 -5.02 0.34 55188 -64.59 0.16 -4.98 0.34 55189 -64.78 0.16 -4.97 0.34 55190 -64.97 0.16 -5.10 0.34 55191 -65.21 0.15 -5.37 0.34 55192 -65.43 0.25 -5.52 0.34 55193 -65.54 0.28 -5.39 0.34 55194 -65.54 0.28 -5.13 0.34 55195 -65.43 0.28 -5.01 0.34 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55184 -0.012 0.099 -0.315 0.230 55185 -0.010 0.076 -0.308 0.130 55186 -0.007 0.072 -0.298 0.110 55187 -0.017 0.064 -0.277 0.340 55188 -0.035 0.064 -0.249 0.340 55189 -0.057 0.064 -0.226 0.340 55190 -0.080 0.064 -0.202 0.340 55191 -0.098 0.060 -0.209 0.340 55192 -0.107 0.099 -0.210 0.340 55193 -0.104 0.111 -0.213 0.340 55194 -0.089 0.111 -0.228 0.340 55195 -0.070 0.111 -0.219 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.