********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 1 November 2007 Vol. XX No. 044 ______________________________________________________________________ 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 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 26 54399 .06153 .00009 .19014 .00010 -.209065 .000014 7 10 27 54400 .05884 .00009 .19013 .00010 -.210254 .000012 7 10 28 54401 .05617 .00009 .19021 .00010 -.211075 .000012 7 10 29 54402 .05342 .00009 .19036 .00009 -.211664 .000012 7 10 30 54403 .05061 .00009 .19065 .00009 -.212136 .000011 7 10 31 54404 .04774 .00009 .19093 .00009 -.212594 .000048 7 11 1 54405 .04480 .00009 .19103 .00009 -.213221 .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 = .0520 + .0511 cos A - .0746 sin A - .0474 cos C - .0965 sin C y = .3568 - .0718 cos A - .0519 sin A - .0965 cos C + .0474 sin C UT1-UTC = -.2250 - .00091 (MJD - 54413) - (UT2-UT1) where A = 2*pi*(MJD-54405)/365.25 and C = 2*pi*(MJD-54405)/435. TAI-UTC(MJD 54406) = 33.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-54405)**0.80 S t = 0.00025 (MJD-54405)**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 11 2 54406 0.0420 0.1912 -0.21407 2007 11 3 54407 0.0391 0.1913 -0.21509 2007 11 4 54408 0.0363 0.1914 -0.21619 2007 11 5 54409 0.0335 0.1917 -0.21734 2007 11 6 54410 0.0307 0.1921 -0.21851 2007 11 7 54411 0.0279 0.1926 -0.21965 2007 11 8 54412 0.0250 0.1932 -0.22070 2007 11 9 54413 0.0222 0.1937 -0.22160 2007 11 10 54414 0.0193 0.1943 -0.22232 2007 11 11 54415 0.0165 0.1950 -0.22283 2007 11 12 54416 0.0136 0.1957 -0.22319 2007 11 13 54417 0.0108 0.1964 -0.22350 2007 11 14 54418 0.0079 0.1972 -0.22381 2007 11 15 54419 0.0051 0.1981 -0.22418 2007 11 16 54420 0.0023 0.1990 -0.22468 2007 11 17 54421 -0.0005 0.1999 -0.22540 2007 11 18 54422 -0.0033 0.2009 -0.22638 2007 11 19 54423 -0.0061 0.2019 -0.22761 2007 11 20 54424 -0.0088 0.2030 -0.22906 2007 11 21 54425 -0.0116 0.2041 -0.23061 2007 11 22 54426 -0.0143 0.2053 -0.23211 2007 11 23 54427 -0.0170 0.2065 -0.23341 2007 11 24 54428 -0.0197 0.2078 -0.23440 2007 11 25 54429 -0.0224 0.2091 -0.23510 2007 11 26 54430 -0.0251 0.2104 -0.23558 2007 11 27 54431 -0.0277 0.2118 -0.23601 2007 11 28 54432 -0.0304 0.2132 -0.23653 2007 11 29 54433 -0.0330 0.2146 -0.23725 2007 11 30 54434 -0.0356 0.2161 -0.23818 2007 12 1 54435 -0.0381 0.2177 -0.23928 2007 12 2 54436 -0.0406 0.2192 -0.24048 2007 12 3 54437 -0.0432 0.2208 -0.24170 2007 12 4 54438 -0.0457 0.2225 -0.24288 2007 12 5 54439 -0.0481 0.2242 -0.24395 2007 12 6 54440 -0.0506 0.2259 -0.24488 2007 12 7 54441 -0.0530 0.2277 -0.24563 2007 12 8 54442 -0.0553 0.2295 -0.24621 2007 12 9 54443 -0.0577 0.2313 -0.24663 2007 12 10 54444 -0.0600 0.2332 -0.24696 2007 12 11 54445 -0.0623 0.2351 -0.24727 2007 12 12 54446 -0.0646 0.2370 -0.24763 2007 12 13 54447 -0.0668 0.2390 -0.24812 2007 12 14 54448 -0.0690 0.2410 -0.24881 2007 12 15 54449 -0.0712 0.2431 -0.24973 2007 12 16 54450 -0.0734 0.2451 -0.25086 2007 12 17 54451 -0.0755 0.2473 -0.25216 2007 12 18 54452 -0.0775 0.2494 -0.25355 2007 12 19 54453 -0.0796 0.2516 -0.25492 2007 12 20 54454 -0.0816 0.2538 -0.25614 2007 12 21 54455 -0.0836 0.2560 -0.25711 2007 12 22 54456 -0.0855 0.2583 -0.25779 2007 12 23 54457 -0.0874 0.2606 -0.25825 2007 12 24 54458 -0.0893 0.2629 -0.25860 2007 12 25 54459 -0.0911 0.2652 -0.25898 2007 12 26 54460 -0.0929 0.2676 -0.25953 2007 12 27 54461 -0.0946 0.2700 -0.26029 2007 12 28 54462 -0.0963 0.2725 -0.26125 2007 12 29 54463 -0.0980 0.2749 -0.26234 2007 12 30 54464 -0.0996 0.2774 -0.26347 2007 12 31 54465 -0.1012 0.2799 -0.26456 2008 1 1 54466 -0.1028 0.2824 -0.26555 2008 1 2 54467 -0.1043 0.2850 -0.26638 2008 1 3 54468 -0.1058 0.2876 -0.26703 2008 1 4 54469 -0.1072 0.2902 -0.26751 2008 1 5 54470 -0.1086 0.2928 -0.26784 2008 1 6 54471 -0.1099 0.2954 -0.26806 2008 1 7 54472 -0.1112 0.2981 -0.26824 2008 1 8 54473 -0.1124 0.3008 -0.26847 2008 1 9 54474 -0.1137 0.3035 -0.26883 2008 1 10 54475 -0.1148 0.3062 -0.26939 2008 1 11 54476 -0.1159 0.3089 -0.27020 2008 1 12 54477 -0.1170 0.3117 -0.27126 2008 1 13 54478 -0.1180 0.3145 -0.27252 2008 1 14 54479 -0.1190 0.3173 -0.27390 2008 1 15 54480 -0.1200 0.3201 -0.27528 2008 1 16 54481 -0.1209 0.3229 -0.27655 2008 1 17 54482 -0.1217 0.3257 -0.27761 2008 1 18 54483 -0.1225 0.3285 -0.27843 2008 1 19 54484 -0.1233 0.3314 -0.27902 2008 1 20 54485 -0.1240 0.3343 -0.27949 2008 1 21 54486 -0.1246 0.3371 -0.27997 2008 1 22 54487 -0.1252 0.3400 -0.28058 2008 1 23 54488 -0.1258 0.3429 -0.28140 2008 1 24 54489 -0.1263 0.3458 -0.28245 2008 1 25 54490 -0.1268 0.3487 -0.28368 2008 1 26 54491 -0.1272 0.3516 -0.28501 2008 1 27 54492 -0.1275 0.3546 -0.28633 2008 1 28 54493 -0.1279 0.3575 -0.28758 2008 1 29 54494 -0.1281 0.3604 -0.28868 2008 1 30 54495 -0.1284 0.3633 -0.28962 2008 1 31 54496 -0.1285 0.3663 -0.29037 2008 2 1 54497 -0.1286 0.3692 -0.29097 2008 2 2 54498 -0.1287 0.3722 -0.29146 2008 2 3 54499 -0.1287 0.3751 -0.29189 2008 2 4 54500 -0.1287 0.3781 -0.29235 2008 2 5 54501 -0.1286 0.3810 -0.29292 2008 2 6 54502 -0.1285 0.3839 -0.29369 2008 2 7 54503 -0.1283 0.3869 -0.29472 2008 2 8 54504 -0.1281 0.3898 -0.29603 2008 2 9 54505 -0.1278 0.3927 -0.29757 2008 2 10 54506 -0.1275 0.3957 -0.29926 2008 2 11 54507 -0.1272 0.3986 -0.30096 2008 2 12 54508 -0.1267 0.4015 -0.30256 2008 2 13 54509 -0.1263 0.4044 -0.30394 2008 2 14 54510 -0.1257 0.4073 -0.30507 2008 2 15 54511 -0.1252 0.4102 -0.30595 2008 2 16 54512 -0.1246 0.4131 -0.30669 2008 2 17 54513 -0.1239 0.4160 -0.30739 2008 2 18 54514 -0.1232 0.4189 -0.30810 2008 2 19 54515 -0.1224 0.4217 -0.30900 2008 2 20 54516 -0.1216 0.4246 -0.31013 2008 2 21 54517 -0.1207 0.4274 -0.31148 2008 2 22 54518 -0.1198 0.4302 -0.31298 2008 2 23 54519 -0.1189 0.4330 -0.31453 2008 2 24 54520 -0.1179 0.4358 -0.31603 2008 2 25 54521 -0.1168 0.4386 -0.31742 2008 2 26 54522 -0.1157 0.4414 -0.31864 2008 2 27 54523 -0.1146 0.4441 -0.31967 2008 2 28 54524 -0.1134 0.4468 -0.32054 2008 2 29 54525 -0.1121 0.4495 -0.32127 2008 3 1 54526 -0.1108 0.4522 -0.32192 2008 3 2 54527 -0.1095 0.4549 -0.32256 2008 3 3 54528 -0.1081 0.4575 -0.32329 2008 3 4 54529 -0.1067 0.4602 -0.32418 2008 3 5 54530 -0.1052 0.4628 -0.32531 2008 3 6 54531 -0.1037 0.4653 -0.32671 2008 3 7 54532 -0.1022 0.4679 -0.32839 2008 3 8 54533 -0.1006 0.4704 -0.33027 2008 3 9 54534 -0.0989 0.4729 -0.33224 2008 3 10 54535 -0.0972 0.4754 -0.33413 2008 3 11 54536 -0.0955 0.4779 -0.33582 2008 3 12 54537 -0.0937 0.4803 -0.33723 2008 3 13 54538 -0.0919 0.4827 -0.33837 2008 3 14 54539 -0.0901 0.4851 -0.33932 2008 3 15 54540 -0.0882 0.4875 -0.34020 2008 3 16 54541 -0.0862 0.4898 -0.34114 2008 3 17 54542 -0.0843 0.4921 -0.34224 2008 3 18 54543 -0.0822 0.4943 -0.34354 2008 3 19 54544 -0.0802 0.4966 -0.34506 2008 3 20 54545 -0.0781 0.4988 -0.34674 2008 3 21 54546 -0.0760 0.5009 -0.34850 2008 3 22 54547 -0.0738 0.5031 -0.35024 2008 3 23 54548 -0.0716 0.5052 -0.35189 2008 3 24 54549 -0.0693 0.5072 -0.35339 2008 3 25 54550 -0.0671 0.5093 -0.35470 2008 3 26 54551 -0.0648 0.5113 -0.35581 2008 3 27 54552 -0.0624 0.5132 -0.35677 2008 3 28 54553 -0.0600 0.5152 -0.35761 2008 3 29 54554 -0.0576 0.5170 -0.35841 2008 3 30 54555 -0.0552 0.5189 -0.35925 2008 3 31 54556 -0.0527 0.5207 -0.36019 2008 4 1 54557 -0.0502 0.5225 -0.36132 2008 4 2 54558 -0.0476 0.5242 -0.36270 2008 4 3 54559 -0.0450 0.5259 -0.36435 2008 4 4 54560 -0.0424 0.5276 -0.36624 2008 4 5 54561 -0.0398 0.5292 -0.36827 2008 4 6 54562 -0.0371 0.5308 -0.37030 2008 4 7 54563 -0.0344 0.5323 -0.37217 2008 4 8 54564 -0.0317 0.5339 -0.37377 2008 4 9 54565 -0.0290 0.5353 -0.37506 2008 4 10 54566 -0.0262 0.5367 -0.37611 2008 4 11 54567 -0.0234 0.5381 -0.37702 2008 4 12 54568 -0.0206 0.5394 -0.37793 2008 4 13 54569 -0.0177 0.5407 -0.37897 2008 4 14 54570 -0.0149 0.5420 -0.38019 2008 4 15 54571 -0.0120 0.5432 -0.38160 2008 4 16 54572 -0.0091 0.5443 -0.38315 2008 4 17 54573 -0.0061 0.5455 -0.38478 2008 4 18 54574 -0.0032 0.5465 -0.38641 2008 4 19 54575 -0.0002 0.5476 -0.38795 2008 4 20 54576 0.0028 0.5485 -0.38934 2008 4 21 54577 0.0058 0.5495 -0.39055 2008 4 22 54578 0.0088 0.5504 -0.39156 2008 4 23 54579 0.0119 0.5512 -0.39239 2008 4 24 54580 0.0149 0.5520 -0.39309 2008 4 25 54581 0.0180 0.5528 -0.39372 2008 4 26 54582 0.0211 0.5535 -0.39436 2008 4 27 54583 0.0242 0.5541 -0.39507 2008 4 28 54584 0.0273 0.5547 -0.39595 2008 4 29 54585 0.0304 0.5553 -0.39703 2008 4 30 54586 0.0335 0.5558 -0.39838 2008 5 1 54587 0.0367 0.5563 -0.39998 2008 5 2 54588 0.0398 0.5567 -0.40179 2008 5 3 54589 0.0430 0.5571 -0.40369 2008 5 4 54590 0.0462 0.5574 -0.40555 2008 5 5 54591 0.0493 0.5577 -0.40723 2008 5 6 54592 0.0525 0.5579 -0.40865 2008 5 7 54593 0.0557 0.5581 -0.40983 2008 5 8 54594 0.0589 0.5582 -0.41086 2008 5 9 54595 0.0621 0.5583 -0.41187 2008 5 10 54596 0.0653 0.5584 -0.41297 2008 5 11 54597 0.0685 0.5584 -0.41425 2008 5 12 54598 0.0717 0.5583 -0.41569 2008 5 13 54599 0.0749 0.5582 -0.41725 2008 5 14 54600 0.0781 0.5580 -0.41885 2008 5 15 54601 0.0813 0.5578 -0.42042 2008 5 16 54602 0.0845 0.5576 -0.42189 2008 5 17 54603 0.0877 0.5573 -0.42319 2008 5 18 54604 0.0909 0.5569 -0.42429 2008 5 19 54605 0.0941 0.5565 -0.42515 2008 5 20 54606 0.0972 0.5561 -0.42578 2008 5 21 54607 0.1004 0.5556 -0.42620 2008 5 22 54608 0.1036 0.5550 -0.42648 2008 5 23 54609 0.1067 0.5545 -0.42668 2008 5 24 54610 0.1099 0.5538 -0.42688 2008 5 25 54611 0.1130 0.5531 -0.42716 2008 5 26 54612 0.1162 0.5524 -0.42758 2008 5 27 54613 0.1193 0.5516 -0.42819 2008 5 28 54614 0.1224 0.5508 -0.42899 2008 5 29 54615 0.1255 0.5499 -0.42998 2008 5 30 54616 0.1285 0.5490 -0.43108 2008 5 31 54617 0.1316 0.5480 -0.43218 2008 6 1 54618 0.1347 0.5470 -0.43315 2008 6 2 54619 0.1377 0.5460 -0.43390 2008 6 3 54620 0.1407 0.5449 -0.43438 2008 6 4 54621 0.1437 0.5437 -0.43463 2008 6 5 54622 0.1467 0.5425 -0.43478 2008 6 6 54623 0.1496 0.5413 -0.43497 2008 6 7 54624 0.1526 0.5400 -0.43534 2008 6 8 54625 0.1555 0.5387 -0.43598 2008 6 9 54626 0.1584 0.5373 -0.43687 2008 6 10 54627 0.1613 0.5359 -0.43791 2008 6 11 54628 0.1641 0.5344 -0.43897 2008 6 12 54629 0.1670 0.5329 -0.43991 2008 6 13 54630 0.1698 0.5314 -0.44060 2008 6 14 54631 0.1725 0.5298 -0.44103 2008 6 15 54632 0.1753 0.5282 -0.44117 2008 6 16 54633 0.1780 0.5265 -0.44104 2008 6 17 54634 0.1807 0.5248 -0.44066 2008 6 18 54635 0.1834 0.5230 -0.44009 2008 6 19 54636 0.1860 0.5212 -0.43938 2008 6 20 54637 0.1886 0.5194 -0.43871 2008 6 21 54638 0.1912 0.5175 -0.43817 2008 6 22 54639 0.1938 0.5156 -0.43781 2008 6 23 54640 0.1963 0.5137 -0.43763 2008 6 24 54641 0.1988 0.5117 -0.43765 2008 6 25 54642 0.2012 0.5097 -0.43788 2008 6 26 54643 0.2036 0.5076 -0.43822 2008 6 27 54644 0.2060 0.5055 -0.43856 2008 6 28 54645 0.2084 0.5034 -0.43886 2008 6 29 54646 0.2107 0.5012 -0.43904 2008 6 30 54647 0.2130 0.4990 -0.43898 2008 7 1 54648 0.2152 0.4968 -0.43860 2008 7 2 54649 0.2174 0.4945 -0.43800 2008 7 3 54650 0.2196 0.4922 -0.43737 2008 7 4 54651 0.2217 0.4899 -0.43679 2008 7 5 54652 0.2238 0.4875 -0.43638 2008 7 6 54653 0.2259 0.4851 -0.43623 2008 7 7 54654 0.2279 0.4827 -0.43630 2008 7 8 54655 0.2298 0.4803 -0.43645 2008 7 9 54656 0.2318 0.4778 -0.43657 2008 7 10 54657 0.2337 0.4753 -0.43657 2008 7 11 54658 0.2355 0.4727 -0.43639 2008 7 12 54659 0.2373 0.4701 -0.43602 2008 7 13 54660 0.2391 0.4676 -0.43542 2008 7 14 54661 0.2408 0.4649 -0.43456 2008 7 15 54662 0.2425 0.4623 -0.43355 2008 7 16 54663 0.2441 0.4596 -0.43248 2008 7 17 54664 0.2457 0.4569 -0.43140 2008 7 18 54665 0.2472 0.4542 -0.43044 2008 7 19 54666 0.2487 0.4515 -0.42965 2008 7 20 54667 0.2501 0.4487 -0.42910 2008 7 21 54668 0.2515 0.4459 -0.42881 2008 7 22 54669 0.2529 0.4431 -0.42873 2008 7 23 54670 0.2542 0.4403 -0.42880 2008 7 24 54671 0.2555 0.4374 -0.42886 2008 7 25 54672 0.2567 0.4346 -0.42883 2008 7 26 54673 0.2578 0.4317 -0.42855 2008 7 27 54674 0.2589 0.4288 -0.42805 2008 7 28 54675 0.2600 0.4259 -0.42735 2008 7 29 54676 0.2610 0.4230 -0.42651 2008 7 30 54677 0.2620 0.4200 -0.42569 2008 7 31 54678 0.2629 0.4171 -0.42496 2008 8 1 54679 0.2638 0.4141 -0.42457 2008 8 2 54680 0.2646 0.4111 -0.42458 2008 8 3 54681 0.2653 0.4081 -0.42494 2008 8 4 54682 0.2660 0.4051 -0.42554 2008 8 5 54683 0.2667 0.4021 -0.42621 2008 8 6 54684 0.2673 0.3991 -0.42685 2008 8 7 54685 0.2679 0.3960 -0.42735 2008 8 8 54686 0.2684 0.3930 -0.42764 2008 8 9 54687 0.2688 0.3899 -0.42776 2008 8 10 54688 0.2692 0.3869 -0.42775 2008 8 11 54689 0.2696 0.3838 -0.42762 2008 8 12 54690 0.2699 0.3808 -0.42746 2008 8 13 54691 0.2702 0.3777 -0.42732 2008 8 14 54692 0.2703 0.3746 -0.42733 2008 8 15 54693 0.2705 0.3716 -0.42753 2008 8 16 54694 0.2706 0.3685 -0.42797 2008 8 17 54695 0.2706 0.3654 -0.42866 2008 8 18 54696 0.2706 0.3623 -0.42960 2008 8 19 54697 0.2706 0.3593 -0.43071 2008 8 20 54698 0.2704 0.3562 -0.43188 2008 8 21 54699 0.2703 0.3531 -0.43303 2008 8 22 54700 0.2700 0.3501 -0.43403 2008 8 23 54701 0.2698 0.3470 -0.43477 2008 8 24 54702 0.2694 0.3439 -0.43530 2008 8 25 54703 0.2691 0.3409 -0.43564 2008 8 26 54704 0.2686 0.3379 -0.43587 2008 8 27 54705 0.2682 0.3348 -0.43615 2008 8 28 54706 0.2676 0.3318 -0.43664 2008 8 29 54707 0.2670 0.3288 -0.43738 2008 8 30 54708 0.2664 0.3258 -0.43832 2008 8 31 54709 0.2657 0.3228 -0.43946 2008 9 1 54710 0.2650 0.3198 -0.44073 2008 9 2 54711 0.2642 0.3168 -0.44189 2008 9 3 54712 0.2634 0.3138 -0.44290 2008 9 4 54713 0.2625 0.3109 -0.44370 2008 9 5 54714 0.2615 0.3079 -0.44430 2008 9 6 54715 0.2605 0.3050 -0.44461 2008 9 7 54716 0.2595 0.3021 -0.44480 2008 9 8 54717 0.2584 0.2992 -0.44486 2008 9 9 54718 0.2573 0.2964 -0.44486 2008 9 10 54719 0.2561 0.2935 -0.44491 2008 9 11 54720 0.2548 0.2907 -0.44510 2008 9 12 54721 0.2536 0.2879 -0.44549 2008 9 13 54722 0.2522 0.2851 -0.44610 2008 9 14 54723 0.2508 0.2823 -0.44703 2008 9 15 54724 0.2494 0.2795 -0.44820 2008 9 16 54725 0.2479 0.2768 -0.44953 2008 9 17 54726 0.2464 0.2741 -0.45087 2008 9 18 54727 0.2448 0.2714 -0.45209 2008 9 19 54728 0.2432 0.2688 -0.45308 2008 9 20 54729 0.2416 0.2661 -0.45373 2008 9 21 54730 0.2399 0.2635 -0.45417 2008 9 22 54731 0.2381 0.2610 -0.45451 2008 9 23 54732 0.2363 0.2584 -0.45487 2008 9 24 54733 0.2345 0.2559 -0.45539 2008 9 25 54734 0.2326 0.2534 -0.45613 2008 9 26 54735 0.2307 0.2509 -0.45714 2008 9 27 54736 0.2287 0.2485 -0.45832 2008 9 28 54737 0.2267 0.2461 -0.45967 2008 9 29 54738 0.2247 0.2437 -0.46106 2008 9 30 54739 0.2226 0.2414 -0.46232 2008 10 1 54740 0.2204 0.2391 -0.46337 2008 10 2 54741 0.2183 0.2368 -0.46426 2008 10 3 54742 0.2161 0.2345 -0.46497 2008 10 4 54743 0.2138 0.2323 -0.46546 2008 10 5 54744 0.2115 0.2302 -0.46593 2008 10 6 54745 0.2092 0.2280 -0.46642 2008 10 7 54746 0.2069 0.2259 -0.46696 2008 10 8 54747 0.2045 0.2238 -0.46765 2008 10 9 54748 0.2020 0.2218 -0.46850 2008 10 10 54749 0.1996 0.2198 -0.46956 2008 10 11 54750 0.1971 0.2179 -0.47086 2008 10 12 54751 0.1945 0.2160 -0.47233 2008 10 13 54752 0.1920 0.2141 -0.47396 2008 10 14 54753 0.1894 0.2122 -0.47561 2008 10 15 54754 0.1867 0.2104 -0.47712 2008 10 16 54755 0.1841 0.2087 -0.47840 2008 10 17 54756 0.1814 0.2070 -0.47945 2008 10 18 54757 0.1787 0.2053 -0.48024 2008 10 19 54758 0.1759 0.2037 -0.48087 2008 10 20 54759 0.1731 0.2021 -0.48149 2008 10 21 54760 0.1703 0.2005 -0.48221 2008 10 22 54761 0.1675 0.1990 -0.48312 2008 10 23 54762 0.1646 0.1976 -0.48421 2008 10 24 54763 0.1618 0.1962 -0.48546 2008 10 25 54764 0.1589 0.1948 -0.48682 2008 10 26 54765 0.1559 0.1935 -0.48825 2008 10 27 54766 0.1530 0.1922 -0.48959 2008 10 28 54767 0.1500 0.1909 -0.49075 2008 10 29 54768 0.1470 0.1897 -0.49166 2008 10 30 54769 0.1440 0.1886 -0.49231 2008 10 31 54770 0.1409 0.1875 -0.49277 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) 54386 -66.81 .19 -5.33 .34 54387 -66.83 .23 -5.65 .11 54388 -66.61 .20 -5.79 .10 54389 -66.28 .74 -5.84 .34 54390 -66.02 .74 -5.93 .34 54391 -65.87 .74 -5.99 .34 54392 -65.74 .74 -5.89 .34 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 54386 -0.188 0.076 -0.146 0.340 54387 -0.187 0.091 -0.167 0.110 54388 -0.176 0.080 -0.181 0.100 54389 -0.163 0.294 -0.179 0.340 54390 -0.148 0.294 -0.184 0.340 54391 -0.131 0.294 -0.181 0.340 54392 -0.123 0.294 -0.169 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.