********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 25 October 2007 Vol. XX No. 043 ______________________________________________________________________ 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 = -0.2 seconds beginning 14 June 2007 at 0000 UTC = -0.3 seconds beginning 29 November 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 10 19 54392 .07984 .00009 .19144 .00009 -.200016 .000012 7 10 20 54393 .07659 .00009 .19098 .00009 -.200749 .000009 7 10 21 54394 .07341 .00009 .19048 .00009 -.201689 .000009 7 10 22 54395 .07071 .00009 .19010 .00009 -.202845 .000008 7 10 23 54396 .06852 .00009 .19011 .00010 -.204210 .000008 7 10 24 54397 .06635 .00009 .19032 .00010 -.205776 .000048 7 10 25 54398 .06403 .00009 .19039 .00010 -.207420 .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 = .0505 + .0600 cos A - .0645 sin A - .0360 cos C - .1037 sin C y = .3547 - .0623 cos A - .0602 sin A - .1037 cos C + .0360 sin C UT1-UTC = -.2224 - .00091 (MJD - 54406) - (UT2-UT1) where A = 2*pi*(MJD-54398)/365.25 and C = 2*pi*(MJD-54398)/435. TAI-UTC(MJD 54399) = 33.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-54398)**0.80 S t = 0.00025 (MJD-54398)**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 10 26 54399 0.0615 0.1906 -0.20894 2007 10 27 54400 0.0589 0.1907 -0.21018 2007 10 28 54401 0.0561 0.1907 -0.21106 2007 10 29 54402 0.0533 0.1908 -0.21163 2007 10 30 54403 0.0505 0.1910 -0.21203 2007 10 31 54404 0.0477 0.1912 -0.21245 2007 11 1 54405 0.0449 0.1915 -0.21300 2007 11 2 54406 0.0421 0.1918 -0.21373 2007 11 3 54407 0.0393 0.1922 -0.21464 2007 11 4 54408 0.0365 0.1926 -0.21568 2007 11 5 54409 0.0336 0.1930 -0.21682 2007 11 6 54410 0.0308 0.1935 -0.21799 2007 11 7 54411 0.0279 0.1940 -0.21911 2007 11 8 54412 0.0251 0.1945 -0.22012 2007 11 9 54413 0.0222 0.1952 -0.22099 2007 11 10 54414 0.0194 0.1958 -0.22171 2007 11 11 54415 0.0165 0.1965 -0.22228 2007 11 12 54416 0.0137 0.1972 -0.22272 2007 11 13 54417 0.0109 0.1980 -0.22309 2007 11 14 54418 0.0080 0.1988 -0.22344 2007 11 15 54419 0.0052 0.1997 -0.22386 2007 11 16 54420 0.0024 0.2006 -0.22442 2007 11 17 54421 -0.0004 0.2016 -0.22520 2007 11 18 54422 -0.0031 0.2025 -0.22627 2007 11 19 54423 -0.0059 0.2036 -0.22762 2007 11 20 54424 -0.0087 0.2047 -0.22919 2007 11 21 54425 -0.0114 0.2058 -0.23086 2007 11 22 54426 -0.0141 0.2069 -0.23248 2007 11 23 54427 -0.0169 0.2081 -0.23389 2007 11 24 54428 -0.0196 0.2094 -0.23502 2007 11 25 54429 -0.0222 0.2107 -0.23586 2007 11 26 54430 -0.0249 0.2120 -0.23650 2007 11 27 54431 -0.0275 0.2134 -0.23709 2007 11 28 54432 -0.0301 0.2148 -0.23776 2007 11 29 54433 -0.0327 0.2162 -0.23860 2007 11 30 54434 -0.0353 0.2177 -0.23964 2007 12 1 54435 -0.0379 0.2192 -0.24084 2007 12 2 54436 -0.0404 0.2208 -0.24212 2007 12 3 54437 -0.0429 0.2224 -0.24343 2007 12 4 54438 -0.0454 0.2240 -0.24467 2007 12 5 54439 -0.0479 0.2257 -0.24579 2007 12 6 54440 -0.0503 0.2274 -0.24674 2007 12 7 54441 -0.0527 0.2292 -0.24749 2007 12 8 54442 -0.0551 0.2310 -0.24805 2007 12 9 54443 -0.0574 0.2328 -0.24846 2007 12 10 54444 -0.0597 0.2346 -0.24877 2007 12 11 54445 -0.0620 0.2365 -0.24904 2007 12 12 54446 -0.0643 0.2385 -0.24937 2007 12 13 54447 -0.0665 0.2404 -0.24981 2007 12 14 54448 -0.0687 0.2424 -0.25045 2007 12 15 54449 -0.0709 0.2444 -0.25131 2007 12 16 54450 -0.0730 0.2465 -0.25241 2007 12 17 54451 -0.0751 0.2486 -0.25371 2007 12 18 54452 -0.0772 0.2507 -0.25512 2007 12 19 54453 -0.0792 0.2529 -0.25651 2007 12 20 54454 -0.0813 0.2551 -0.25775 2007 12 21 54455 -0.0832 0.2573 -0.25874 2007 12 22 54456 -0.0852 0.2596 -0.25946 2007 12 23 54457 -0.0870 0.2618 -0.25995 2007 12 24 54458 -0.0889 0.2641 -0.26034 2007 12 25 54459 -0.0907 0.2665 -0.26078 2007 12 26 54460 -0.0925 0.2688 -0.26137 2007 12 27 54461 -0.0943 0.2712 -0.26218 2007 12 28 54462 -0.0960 0.2737 -0.26319 2007 12 29 54463 -0.0976 0.2761 -0.26432 2007 12 30 54464 -0.0993 0.2786 -0.26551 2007 12 31 54465 -0.1008 0.2811 -0.26666 2008 1 1 54466 -0.1024 0.2836 -0.26771 2008 1 2 54467 -0.1039 0.2861 -0.26862 2008 1 3 54468 -0.1054 0.2887 -0.26936 2008 1 4 54469 -0.1068 0.2913 -0.26993 2008 1 5 54470 -0.1082 0.2939 -0.27036 2008 1 6 54471 -0.1095 0.2965 -0.27068 2008 1 7 54472 -0.1108 0.2991 -0.27097 2008 1 8 54473 -0.1121 0.3018 -0.27130 2008 1 9 54474 -0.1133 0.3045 -0.27176 2008 1 10 54475 -0.1144 0.3072 -0.27242 2008 1 11 54476 -0.1155 0.3099 -0.27331 2008 1 12 54477 -0.1166 0.3127 -0.27444 2008 1 13 54478 -0.1176 0.3154 -0.27577 2008 1 14 54479 -0.1186 0.3182 -0.27720 2008 1 15 54480 -0.1196 0.3210 -0.27863 2008 1 16 54481 -0.1205 0.3238 -0.27993 2008 1 17 54482 -0.1213 0.3266 -0.28102 2008 1 18 54483 -0.1221 0.3294 -0.28186 2008 1 19 54484 -0.1228 0.3322 -0.28249 2008 1 20 54485 -0.1235 0.3351 -0.28299 2008 1 21 54486 -0.1242 0.3379 -0.28350 2008 1 22 54487 -0.1248 0.3408 -0.28414 2008 1 23 54488 -0.1254 0.3437 -0.28500 2008 1 24 54489 -0.1259 0.3466 -0.28609 2008 1 25 54490 -0.1264 0.3495 -0.28738 2008 1 26 54491 -0.1268 0.3524 -0.28876 2008 1 27 54492 -0.1271 0.3553 -0.29015 2008 1 28 54493 -0.1275 0.3582 -0.29147 2008 1 29 54494 -0.1277 0.3611 -0.29264 2008 1 30 54495 -0.1279 0.3640 -0.29364 2008 1 31 54496 -0.1281 0.3669 -0.29446 2008 2 1 54497 -0.1282 0.3699 -0.29512 2008 2 2 54498 -0.1283 0.3728 -0.29565 2008 2 3 54499 -0.1283 0.3757 -0.29613 2008 2 4 54500 -0.1283 0.3786 -0.29663 2008 2 5 54501 -0.1282 0.3816 -0.29723 2008 2 6 54502 -0.1281 0.3845 -0.29801 2008 2 7 54503 -0.1279 0.3874 -0.29904 2008 2 8 54504 -0.1277 0.3904 -0.30034 2008 2 9 54505 -0.1275 0.3933 -0.30187 2008 2 10 54506 -0.1271 0.3962 -0.30355 2008 2 11 54507 -0.1268 0.3991 -0.30515 2008 2 12 54508 -0.1263 0.4020 -0.30665 2008 2 13 54509 -0.1259 0.4049 -0.30794 2008 2 14 54510 -0.1254 0.4078 -0.30897 2008 2 15 54511 -0.1248 0.4107 -0.30977 2008 2 16 54512 -0.1242 0.4135 -0.31043 2008 2 17 54513 -0.1235 0.4164 -0.31106 2008 2 18 54514 -0.1228 0.4193 -0.31179 2008 2 19 54515 -0.1220 0.4221 -0.31272 2008 2 20 54516 -0.1212 0.4249 -0.31389 2008 2 21 54517 -0.1204 0.4278 -0.31527 2008 2 22 54518 -0.1195 0.4306 -0.31680 2008 2 23 54519 -0.1185 0.4334 -0.31838 2008 2 24 54520 -0.1175 0.4361 -0.31991 2008 2 25 54521 -0.1165 0.4389 -0.32132 2008 2 26 54522 -0.1154 0.4416 -0.32257 2008 2 27 54523 -0.1142 0.4444 -0.32363 2008 2 28 54524 -0.1131 0.4471 -0.32451 2008 2 29 54525 -0.1118 0.4498 -0.32526 2008 3 1 54526 -0.1105 0.4524 -0.32593 2008 3 2 54527 -0.1092 0.4551 -0.32658 2008 3 3 54528 -0.1078 0.4577 -0.32732 2008 3 4 54529 -0.1064 0.4603 -0.32821 2008 3 5 54530 -0.1050 0.4629 -0.32934 2008 3 6 54531 -0.1035 0.4655 -0.33075 2008 3 7 54532 -0.1019 0.4681 -0.33243 2008 3 8 54533 -0.1003 0.4706 -0.33431 2008 3 9 54534 -0.0987 0.4731 -0.33627 2008 3 10 54535 -0.0970 0.4755 -0.33817 2008 3 11 54536 -0.0953 0.4780 -0.33985 2008 3 12 54537 -0.0935 0.4804 -0.34127 2008 3 13 54538 -0.0917 0.4828 -0.34241 2008 3 14 54539 -0.0898 0.4852 -0.34335 2008 3 15 54540 -0.0880 0.4875 -0.34423 2008 3 16 54541 -0.0860 0.4898 -0.34516 2008 3 17 54542 -0.0841 0.4921 -0.34625 2008 3 18 54543 -0.0820 0.4943 -0.34755 2008 3 19 54544 -0.0800 0.4966 -0.34905 2008 3 20 54545 -0.0779 0.4988 -0.35072 2008 3 21 54546 -0.0758 0.5009 -0.35247 2008 3 22 54547 -0.0736 0.5030 -0.35420 2008 3 23 54548 -0.0714 0.5051 -0.35583 2008 3 24 54549 -0.0692 0.5072 -0.35731 2008 3 25 54550 -0.0669 0.5092 -0.35859 2008 3 26 54551 -0.0646 0.5112 -0.35969 2008 3 27 54552 -0.0623 0.5131 -0.36062 2008 3 28 54553 -0.0599 0.5151 -0.36144 2008 3 29 54554 -0.0575 0.5169 -0.36222 2008 3 30 54555 -0.0550 0.5188 -0.36303 2008 3 31 54556 -0.0526 0.5206 -0.36395 2008 4 1 54557 -0.0501 0.5224 -0.36506 2008 4 2 54558 -0.0475 0.5241 -0.36642 2008 4 3 54559 -0.0450 0.5258 -0.36805 2008 4 4 54560 -0.0424 0.5275 -0.36991 2008 4 5 54561 -0.0397 0.5291 -0.37192 2008 4 6 54562 -0.0371 0.5306 -0.37393 2008 4 7 54563 -0.0344 0.5322 -0.37577 2008 4 8 54564 -0.0317 0.5337 -0.37735 2008 4 9 54565 -0.0289 0.5351 -0.37863 2008 4 10 54566 -0.0262 0.5365 -0.37965 2008 4 11 54567 -0.0234 0.5379 -0.38055 2008 4 12 54568 -0.0206 0.5392 -0.38146 2008 4 13 54569 -0.0177 0.5405 -0.38249 2008 4 14 54570 -0.0149 0.5418 -0.38371 2008 4 15 54571 -0.0120 0.5430 -0.38513 2008 4 16 54572 -0.0091 0.5441 -0.38670 2008 4 17 54573 -0.0062 0.5452 -0.38836 2008 4 18 54574 -0.0032 0.5463 -0.39002 2008 4 19 54575 -0.0003 0.5473 -0.39162 2008 4 20 54576 0.0027 0.5483 -0.39307 2008 4 21 54577 0.0057 0.5492 -0.39436 2008 4 22 54578 0.0087 0.5501 -0.39547 2008 4 23 54579 0.0118 0.5509 -0.39641 2008 4 24 54580 0.0148 0.5517 -0.39725 2008 4 25 54581 0.0179 0.5525 -0.39804 2008 4 26 54582 0.0209 0.5532 -0.39886 2008 4 27 54583 0.0240 0.5538 -0.39979 2008 4 28 54584 0.0271 0.5544 -0.40091 2008 4 29 54585 0.0302 0.5550 -0.40227 2008 4 30 54586 0.0334 0.5555 -0.40392 2008 5 1 54587 0.0365 0.5560 -0.40584 2008 5 2 54588 0.0396 0.5564 -0.40796 2008 5 3 54589 0.0428 0.5568 -0.41017 2008 5 4 54590 0.0460 0.5571 -0.41228 2008 5 5 54591 0.0491 0.5574 -0.41416 2008 5 6 54592 0.0523 0.5576 -0.41571 2008 5 7 54593 0.0555 0.5578 -0.41693 2008 5 8 54594 0.0587 0.5579 -0.41792 2008 5 9 54595 0.0618 0.5580 -0.41882 2008 5 10 54596 0.0650 0.5580 -0.41976 2008 5 11 54597 0.0682 0.5580 -0.42082 2008 5 12 54598 0.0714 0.5580 -0.42200 2008 5 13 54599 0.0746 0.5578 -0.42327 2008 5 14 54600 0.0778 0.5577 -0.42455 2008 5 15 54601 0.0810 0.5575 -0.42579 2008 5 16 54602 0.0842 0.5572 -0.42692 2008 5 17 54603 0.0873 0.5569 -0.42788 2008 5 18 54604 0.0905 0.5566 -0.42867 2008 5 19 54605 0.0937 0.5562 -0.42927 2008 5 20 54606 0.0969 0.5557 -0.42969 2008 5 21 54607 0.1000 0.5552 -0.42999 2008 5 22 54608 0.1032 0.5547 -0.43022 2008 5 23 54609 0.1063 0.5541 -0.43044 2008 5 24 54610 0.1095 0.5535 -0.43074 2008 5 25 54611 0.1126 0.5528 -0.43118 2008 5 26 54612 0.1157 0.5521 -0.43183 2008 5 27 54613 0.1188 0.5513 -0.43273 2008 5 28 54614 0.1219 0.5505 -0.43387 2008 5 29 54615 0.1250 0.5496 -0.43517 2008 5 30 54616 0.1281 0.5487 -0.43650 2008 5 31 54617 0.1311 0.5477 -0.43773 2008 6 1 54618 0.1341 0.5467 -0.43873 2008 6 2 54619 0.1372 0.5456 -0.43939 2008 6 3 54620 0.1402 0.5445 -0.43967 2008 6 4 54621 0.1432 0.5434 -0.43964 2008 6 5 54622 0.1461 0.5422 -0.43941 2008 6 6 54623 0.1491 0.5410 -0.43922 2008 6 7 54624 0.1520 0.5397 -0.43921 2008 6 8 54625 0.1549 0.5384 -0.43942 2008 6 9 54626 0.1578 0.5370 -0.43978 2008 6 10 54627 0.1607 0.5356 -0.44025 2008 6 11 54628 0.1635 0.5341 -0.44076 2008 6 12 54629 0.1663 0.5326 -0.44119 2008 6 13 54630 0.1691 0.5311 -0.44146 2008 6 14 54631 0.1719 0.5295 -0.44160 2008 6 15 54632 0.1746 0.5279 -0.44162 2008 6 16 54633 0.1773 0.5262 -0.44146 2008 6 17 54634 0.1800 0.5245 -0.44104 2008 6 18 54635 0.1827 0.5228 -0.44044 2008 6 19 54636 0.1853 0.5210 -0.43977 2008 6 20 54637 0.1879 0.5192 -0.43903 2008 6 21 54638 0.1905 0.5173 -0.43837 2008 6 22 54639 0.1930 0.5154 -0.43789 2008 6 23 54640 0.1955 0.5135 -0.43769 2008 6 24 54641 0.1980 0.5115 -0.43771 2008 6 25 54642 0.2004 0.5095 -0.43792 2008 6 26 54643 0.2028 0.5074 -0.43825 2008 6 27 54644 0.2052 0.5053 -0.43859 2008 6 28 54645 0.2076 0.5032 -0.43884 2008 6 29 54646 0.2099 0.5011 -0.43885 2008 6 30 54647 0.2121 0.4989 -0.43851 2008 7 1 54648 0.2144 0.4967 -0.43792 2008 7 2 54649 0.2166 0.4944 -0.43715 2008 7 3 54650 0.2187 0.4921 -0.43636 2008 7 4 54651 0.2208 0.4898 -0.43571 2008 7 5 54652 0.2229 0.4874 -0.43528 2008 7 6 54653 0.2249 0.4850 -0.43511 2008 7 7 54654 0.2269 0.4826 -0.43513 2008 7 8 54655 0.2289 0.4802 -0.43524 2008 7 9 54656 0.2308 0.4777 -0.43530 2008 7 10 54657 0.2327 0.4752 -0.43520 2008 7 11 54658 0.2345 0.4727 -0.43490 2008 7 12 54659 0.2363 0.4701 -0.43432 2008 7 13 54660 0.2381 0.4675 -0.43354 2008 7 14 54661 0.2398 0.4649 -0.43261 2008 7 15 54662 0.2414 0.4623 -0.43158 2008 7 16 54663 0.2431 0.4596 -0.43054 2008 7 17 54664 0.2446 0.4569 -0.42953 2008 7 18 54665 0.2462 0.4542 -0.42874 2008 7 19 54666 0.2476 0.4515 -0.42827 2008 7 20 54667 0.2491 0.4487 -0.42814 2008 7 21 54668 0.2505 0.4460 -0.42834 2008 7 22 54669 0.2518 0.4432 -0.42878 2008 7 23 54670 0.2531 0.4404 -0.42942 2008 7 24 54671 0.2543 0.4375 -0.43010 2008 7 25 54672 0.2555 0.4347 -0.43070 2008 7 26 54673 0.2567 0.4318 -0.43115 2008 7 27 54674 0.2578 0.4289 -0.43142 2008 7 28 54675 0.2588 0.4260 -0.43147 2008 7 29 54676 0.2598 0.4231 -0.43139 2008 7 30 54677 0.2608 0.4202 -0.43129 2008 7 31 54678 0.2617 0.4172 -0.43134 2008 8 1 54679 0.2626 0.4143 -0.43164 2008 8 2 54680 0.2634 0.4113 -0.43220 2008 8 3 54681 0.2641 0.4083 -0.43300 2008 8 4 54682 0.2648 0.4054 -0.43394 2008 8 5 54683 0.2655 0.4024 -0.43490 2008 8 6 54684 0.2661 0.3993 -0.43577 2008 8 7 54685 0.2666 0.3963 -0.43650 2008 8 8 54686 0.2671 0.3933 -0.43704 2008 8 9 54687 0.2676 0.3903 -0.43734 2008 8 10 54688 0.2680 0.3872 -0.43746 2008 8 11 54689 0.2683 0.3842 -0.43745 2008 8 12 54690 0.2686 0.3811 -0.43732 2008 8 13 54691 0.2688 0.3781 -0.43719 2008 8 14 54692 0.2690 0.3750 -0.43717 2008 8 15 54693 0.2692 0.3720 -0.43732 2008 8 16 54694 0.2692 0.3689 -0.43765 2008 8 17 54695 0.2693 0.3658 -0.43823 2008 8 18 54696 0.2693 0.3628 -0.43909 2008 8 19 54697 0.2692 0.3597 -0.44002 2008 8 20 54698 0.2691 0.3567 -0.44101 2008 8 21 54699 0.2689 0.3536 -0.44193 2008 8 22 54700 0.2687 0.3506 -0.44267 2008 8 23 54701 0.2684 0.3475 -0.44310 2008 8 24 54702 0.2680 0.3445 -0.44332 2008 8 25 54703 0.2677 0.3415 -0.44332 2008 8 26 54704 0.2672 0.3384 -0.44322 2008 8 27 54705 0.2667 0.3354 -0.44317 2008 8 28 54706 0.2662 0.3324 -0.44329 2008 8 29 54707 0.2656 0.3294 -0.44366 2008 8 30 54708 0.2650 0.3264 -0.44425 2008 8 31 54709 0.2643 0.3234 -0.44510 2008 9 1 54710 0.2635 0.3204 -0.44607 2008 9 2 54711 0.2627 0.3175 -0.44704 2008 9 3 54712 0.2619 0.3145 -0.44789 2008 9 4 54713 0.2610 0.3116 -0.44858 2008 9 5 54714 0.2600 0.3087 -0.44905 2008 9 6 54715 0.2590 0.3058 -0.44924 2008 9 7 54716 0.2580 0.3029 -0.44928 2008 9 8 54717 0.2569 0.3000 -0.44923 2008 9 9 54718 0.2558 0.2972 -0.44917 2008 9 10 54719 0.2546 0.2943 -0.44919 2008 9 11 54720 0.2533 0.2915 -0.44936 2008 9 12 54721 0.2520 0.2887 -0.44976 2008 9 13 54722 0.2507 0.2859 -0.45039 2008 9 14 54723 0.2493 0.2832 -0.45132 2008 9 15 54724 0.2479 0.2804 -0.45248 2008 9 16 54725 0.2464 0.2777 -0.45372 2008 9 17 54726 0.2449 0.2750 -0.45490 2008 9 18 54727 0.2433 0.2724 -0.45599 2008 9 19 54728 0.2417 0.2697 -0.45688 2008 9 20 54729 0.2400 0.2671 -0.45747 2008 9 21 54730 0.2383 0.2645 -0.45794 2008 9 22 54731 0.2365 0.2620 -0.45839 2008 9 23 54732 0.2347 0.2594 -0.45887 2008 9 24 54733 0.2329 0.2569 -0.45954 2008 9 25 54734 0.2310 0.2545 -0.46043 2008 9 26 54735 0.2291 0.2520 -0.46155 2008 9 27 54736 0.2271 0.2496 -0.46286 2008 9 28 54737 0.2251 0.2472 -0.46423 2008 9 29 54738 0.2230 0.2448 -0.46562 2008 9 30 54739 0.2210 0.2425 -0.46688 2008 10 1 54740 0.2188 0.2402 -0.46792 2008 10 2 54741 0.2167 0.2380 -0.46873 2008 10 3 54742 0.2144 0.2357 -0.46937 2008 10 4 54743 0.2122 0.2335 -0.46983 2008 10 5 54744 0.2099 0.2314 -0.47017 2008 10 6 54745 0.2076 0.2293 -0.47048 2008 10 7 54746 0.2052 0.2272 -0.47083 2008 10 8 54747 0.2028 0.2251 -0.47127 2008 10 9 54748 0.2004 0.2231 -0.47187 2008 10 10 54749 0.1979 0.2211 -0.47265 2008 10 11 54750 0.1954 0.2192 -0.47369 2008 10 12 54751 0.1929 0.2173 -0.47499 2008 10 13 54752 0.1903 0.2154 -0.47644 2008 10 14 54753 0.1877 0.2136 -0.47789 2008 10 15 54754 0.1851 0.2118 -0.47922 2008 10 16 54755 0.1824 0.2101 -0.48029 2008 10 17 54756 0.1797 0.2084 -0.48110 2008 10 18 54757 0.1770 0.2067 -0.48165 2008 10 19 54758 0.1743 0.2051 -0.48204 2008 10 20 54759 0.1715 0.2035 -0.48249 2008 10 21 54760 0.1687 0.2020 -0.48311 2008 10 22 54761 0.1659 0.2005 -0.48396 2008 10 23 54762 0.1630 0.1991 -0.48507 2008 10 24 54763 0.1601 0.1977 -0.48629 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) 54379 -67.09 .18 -5.89 .34 54380 -66.82 .18 -5.63 .34 54381 -66.61 .14 -5.35 .34 54382 -66.49 .10 -5.06 .34 54383 -66.46 .20 -4.80 .34 54384 -66.53 .20 -4.73 .34 54385 -66.68 .20 -4.94 .34 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 54379 -0.098 0.072 -0.188 0.340 54380 -0.106 0.072 -0.169 0.340 54381 -0.121 0.056 -0.159 0.340 54382 -0.142 0.040 -0.170 0.340 54383 -0.162 0.080 -0.166 0.340 54384 -0.182 0.080 -0.150 0.340 54385 -0.194 0.080 -0.134 0.340 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.