********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 29 November 2007 Vol. XX No. 048 ______________________________________________________________________ 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 11 23 54427 -.01196 .00009 .20365 .00010 -.235931 .000007 7 11 24 54428 -.01489 .00009 .20447 .00010 -.237498 .000009 7 11 25 54429 -.01813 .00009 .20484 .00009 -.238765 .000010 7 11 26 54430 -.02087 .00009 .20517 .00009 -.239794 .000014 7 11 27 54431 -.02307 .00009 .20585 .00009 -.240678 .000014 7 11 28 54432 -.02525 .00009 .20691 .00009 -.241614 .000048 7 11 29 54433 -.02740 .00009 .20814 .00009 -.242800 .000057 IERS Final Values MJD x y UT1-UTC " " s 7 10 2 54375 .1306 .2053 -.18771 7 10 3 54376 .1275 .2040 -.18828 7 10 4 54377 .1246 .2029 -.18884 7 10 5 54378 .1216 .2017 -.18939 7 10 6 54379 .1186 .2006 -.19007 7 10 7 54380 .1157 .1994 -.19095 7 10 8 54381 .1128 .1983 -.19194 7 10 9 54382 .1098 .1976 -.19298 7 10 10 54383 .1066 .1968 -.19405 7 10 11 54384 .1033 .1959 -.19518 7 10 12 54385 .1002 .1951 -.19617 7 10 13 54386 .0975 .1943 -.19702 7 10 14 54387 .0949 .1936 -.19770 7 10 15 54388 .0920 .1930 -.19823 7 10 16 54389 .0889 .1926 -.19864 7 10 17 54390 .0859 .1922 -.19903 7 10 18 54391 .0830 .1919 -.19952 7 10 19 54392 .0799 .1915 -.20004 7 10 20 54393 .0766 .1910 -.20075 7 10 21 54394 .0734 .1905 -.20168 7 10 22 54395 .0708 .1902 -.20283 7 10 23 54396 .0686 .1902 -.20422 7 10 24 54397 .0664 .1904 -.20584 7 10 25 54398 .0641 .1904 -.20754 7 10 26 54399 .0616 .1901 -.20907 7 10 27 54400 .0589 .1902 -.21026 7 10 28 54401 .0562 .1903 -.21105 7 10 29 54402 .0535 .1904 -.21165 7 10 30 54403 .0507 .1907 -.21216 7 10 31 54404 .0478 .1910 -.21265 7 11 1 54405 .0448 .1911 -.21322 7 11 2 54406 .0423 .1911 -.21392 7 11 3 54407 .0403 .1915 -.21474 7 11 4 54408 .0383 .1922 -.21572 7 11 5 54409 .0359 .1926 -.21676 _______________________________________________________________________ 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 = .0579 + .0034 cos A - .1023 sin A - .0813 cos C - .0563 sin C y = .3574 - .0969 cos A - .0061 sin A - .0563 cos C + .0813 sin C UT1-UTC = -.2525 - .00090 (MJD - 54441) - (UT2-UT1) where A = 2*pi*(MJD-54433)/365.25 and C = 2*pi*(MJD-54433)/435. TAI-UTC(MJD 54434) = 33.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-54433)**0.80 S t = 0.00025 (MJD-54433)**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 30 54434 -0.0297 0.2097 -0.24427 2007 12 1 54435 -0.0320 0.2112 -0.24588 2007 12 2 54436 -0.0344 0.2127 -0.24751 2007 12 3 54437 -0.0368 0.2142 -0.24911 2007 12 4 54438 -0.0392 0.2157 -0.25062 2007 12 5 54439 -0.0416 0.2172 -0.25197 2007 12 6 54440 -0.0440 0.2188 -0.25311 2007 12 7 54441 -0.0464 0.2204 -0.25404 2007 12 8 54442 -0.0487 0.2221 -0.25478 2007 12 9 54443 -0.0510 0.2239 -0.25544 2007 12 10 54444 -0.0533 0.2257 -0.25605 2007 12 11 54445 -0.0556 0.2275 -0.25669 2007 12 12 54446 -0.0579 0.2294 -0.25738 2007 12 13 54447 -0.0601 0.2312 -0.25820 2007 12 14 54448 -0.0624 0.2332 -0.25922 2007 12 15 54449 -0.0645 0.2351 -0.26048 2007 12 16 54450 -0.0667 0.2371 -0.26195 2007 12 17 54451 -0.0688 0.2392 -0.26357 2007 12 18 54452 -0.0709 0.2413 -0.26524 2007 12 19 54453 -0.0730 0.2434 -0.26684 2007 12 20 54454 -0.0751 0.2455 -0.26822 2007 12 21 54455 -0.0771 0.2477 -0.26932 2007 12 22 54456 -0.0790 0.2499 -0.27011 2007 12 23 54457 -0.0810 0.2521 -0.27063 2007 12 24 54458 -0.0829 0.2544 -0.27099 2007 12 25 54459 -0.0848 0.2567 -0.27137 2007 12 26 54460 -0.0866 0.2590 -0.27188 2007 12 27 54461 -0.0884 0.2613 -0.27258 2007 12 28 54462 -0.0901 0.2637 -0.27346 2007 12 29 54463 -0.0919 0.2661 -0.27446 2007 12 30 54464 -0.0936 0.2686 -0.27548 2007 12 31 54465 -0.0952 0.2710 -0.27646 2008 1 1 54466 -0.0968 0.2735 -0.27733 2008 1 2 54467 -0.0984 0.2760 -0.27805 2008 1 3 54468 -0.0999 0.2785 -0.27859 2008 1 4 54469 -0.1014 0.2811 -0.27895 2008 1 5 54470 -0.1028 0.2837 -0.27915 2008 1 6 54471 -0.1042 0.2863 -0.27924 2008 1 7 54472 -0.1056 0.2889 -0.27928 2008 1 8 54473 -0.1069 0.2915 -0.27936 2008 1 9 54474 -0.1082 0.2942 -0.27957 2008 1 10 54475 -0.1094 0.2969 -0.27998 2008 1 11 54476 -0.1106 0.2996 -0.28065 2008 1 12 54477 -0.1117 0.3023 -0.28157 2008 1 13 54478 -0.1128 0.3051 -0.28268 2008 1 14 54479 -0.1138 0.3078 -0.28392 2008 1 15 54480 -0.1148 0.3106 -0.28515 2008 1 16 54481 -0.1158 0.3134 -0.28627 2008 1 17 54482 -0.1167 0.3162 -0.28717 2008 1 18 54483 -0.1176 0.3190 -0.28783 2008 1 19 54484 -0.1184 0.3218 -0.28828 2008 1 20 54485 -0.1192 0.3246 -0.28859 2008 1 21 54486 -0.1199 0.3275 -0.28892 2008 1 22 54487 -0.1206 0.3303 -0.28938 2008 1 23 54488 -0.1212 0.3332 -0.29006 2008 1 24 54489 -0.1218 0.3361 -0.29097 2008 1 25 54490 -0.1223 0.3390 -0.29206 2008 1 26 54491 -0.1228 0.3419 -0.29325 2008 1 27 54492 -0.1233 0.3448 -0.29442 2008 1 28 54493 -0.1237 0.3477 -0.29550 2008 1 29 54494 -0.1240 0.3506 -0.29643 2008 1 30 54495 -0.1243 0.3535 -0.29718 2008 1 31 54496 -0.1245 0.3565 -0.29776 2008 2 1 54497 -0.1247 0.3594 -0.29817 2008 2 2 54498 -0.1249 0.3623 -0.29845 2008 2 3 54499 -0.1250 0.3653 -0.29867 2008 2 4 54500 -0.1250 0.3682 -0.29892 2008 2 5 54501 -0.1250 0.3712 -0.29927 2008 2 6 54502 -0.1250 0.3741 -0.29982 2008 2 7 54503 -0.1249 0.3770 -0.30062 2008 2 8 54504 -0.1247 0.3800 -0.30169 2008 2 9 54505 -0.1246 0.3829 -0.30301 2008 2 10 54506 -0.1243 0.3858 -0.30447 2008 2 11 54507 -0.1240 0.3888 -0.30596 2008 2 12 54508 -0.1237 0.3917 -0.30734 2008 2 13 54509 -0.1233 0.3946 -0.30850 2008 2 14 54510 -0.1228 0.3975 -0.30941 2008 2 15 54511 -0.1224 0.4004 -0.31009 2008 2 16 54512 -0.1218 0.4033 -0.31063 2008 2 17 54513 -0.1212 0.4062 -0.31114 2008 2 18 54514 -0.1206 0.4091 -0.31176 2008 2 19 54515 -0.1199 0.4119 -0.31257 2008 2 20 54516 -0.1192 0.4148 -0.31363 2008 2 21 54517 -0.1184 0.4176 -0.31491 2008 2 22 54518 -0.1176 0.4205 -0.31634 2008 2 23 54519 -0.1167 0.4233 -0.31783 2008 2 24 54520 -0.1158 0.4261 -0.31928 2008 2 25 54521 -0.1148 0.4289 -0.32062 2008 2 26 54522 -0.1138 0.4317 -0.32181 2008 2 27 54523 -0.1127 0.4344 -0.32281 2008 2 28 54524 -0.1116 0.4372 -0.32366 2008 2 29 54525 -0.1104 0.4399 -0.32436 2008 3 1 54526 -0.1092 0.4426 -0.32500 2008 3 2 54527 -0.1080 0.4453 -0.32562 2008 3 3 54528 -0.1067 0.4480 -0.32633 2008 3 4 54529 -0.1053 0.4506 -0.32720 2008 3 5 54530 -0.1040 0.4533 -0.32830 2008 3 6 54531 -0.1025 0.4559 -0.32969 2008 3 7 54532 -0.1010 0.4585 -0.33134 2008 3 8 54533 -0.0995 0.4610 -0.33320 2008 3 9 54534 -0.0980 0.4636 -0.33514 2008 3 10 54535 -0.0964 0.4661 -0.33702 2008 3 11 54536 -0.0947 0.4686 -0.33869 2008 3 12 54537 -0.0930 0.4711 -0.34009 2008 3 13 54538 -0.0913 0.4735 -0.34123 2008 3 14 54539 -0.0895 0.4759 -0.34218 2008 3 15 54540 -0.0877 0.4783 -0.34307 2008 3 16 54541 -0.0858 0.4807 -0.34402 2008 3 17 54542 -0.0839 0.4830 -0.34506 2008 3 18 54543 -0.0820 0.4853 -0.34632 2008 3 19 54544 -0.0800 0.4876 -0.34779 2008 3 20 54545 -0.0780 0.4898 -0.34942 2008 3 21 54546 -0.0760 0.4920 -0.35114 2008 3 22 54547 -0.0739 0.4942 -0.35284 2008 3 23 54548 -0.0717 0.4964 -0.35445 2008 3 24 54549 -0.0696 0.4985 -0.35590 2008 3 25 54550 -0.0674 0.5006 -0.35716 2008 3 26 54551 -0.0651 0.5026 -0.35824 2008 3 27 54552 -0.0628 0.5046 -0.35915 2008 3 28 54553 -0.0605 0.5066 -0.35996 2008 3 29 54554 -0.0582 0.5086 -0.36072 2008 3 30 54555 -0.0558 0.5105 -0.36152 2008 3 31 54556 -0.0534 0.5123 -0.36243 2008 4 1 54557 -0.0510 0.5142 -0.36352 2008 4 2 54558 -0.0485 0.5160 -0.36487 2008 4 3 54559 -0.0460 0.5177 -0.36648 2008 4 4 54560 -0.0435 0.5194 -0.36834 2008 4 5 54561 -0.0409 0.5211 -0.37033 2008 4 6 54562 -0.0383 0.5228 -0.37233 2008 4 7 54563 -0.0357 0.5244 -0.37417 2008 4 8 54564 -0.0330 0.5259 -0.37575 2008 4 9 54565 -0.0303 0.5275 -0.37702 2008 4 10 54566 -0.0276 0.5289 -0.37804 2008 4 11 54567 -0.0249 0.5304 -0.37893 2008 4 12 54568 -0.0222 0.5318 -0.37983 2008 4 13 54569 -0.0194 0.5331 -0.38085 2008 4 14 54570 -0.0166 0.5344 -0.38206 2008 4 15 54571 -0.0137 0.5357 -0.38346 2008 4 16 54572 -0.0109 0.5369 -0.38500 2008 4 17 54573 -0.0080 0.5381 -0.38663 2008 4 18 54574 -0.0051 0.5392 -0.38826 2008 4 19 54575 -0.0022 0.5403 -0.38980 2008 4 20 54576 0.0007 0.5414 -0.39120 2008 4 21 54577 0.0037 0.5424 -0.39241 2008 4 22 54578 0.0066 0.5434 -0.39343 2008 4 23 54579 0.0096 0.5443 -0.39427 2008 4 24 54580 0.0126 0.5451 -0.39497 2008 4 25 54581 0.0156 0.5460 -0.39560 2008 4 26 54582 0.0187 0.5467 -0.39623 2008 4 27 54583 0.0217 0.5475 -0.39694 2008 4 28 54584 0.0248 0.5481 -0.39779 2008 4 29 54585 0.0278 0.5488 -0.39884 2008 4 30 54586 0.0309 0.5494 -0.40013 2008 5 1 54587 0.0340 0.5499 -0.40165 2008 5 2 54588 0.0371 0.5504 -0.40335 2008 5 3 54589 0.0402 0.5509 -0.40512 2008 5 4 54590 0.0434 0.5513 -0.40681 2008 5 5 54591 0.0465 0.5516 -0.40827 2008 5 6 54592 0.0496 0.5519 -0.40943 2008 5 7 54593 0.0528 0.5522 -0.41030 2008 5 8 54594 0.0559 0.5524 -0.41098 2008 5 9 54595 0.0591 0.5525 -0.41160 2008 5 10 54596 0.0622 0.5526 -0.41231 2008 5 11 54597 0.0654 0.5527 -0.41319 2008 5 12 54598 0.0685 0.5527 -0.41425 2008 5 13 54599 0.0717 0.5527 -0.41545 2008 5 14 54600 0.0749 0.5526 -0.41672 2008 5 15 54601 0.0780 0.5525 -0.41798 2008 5 16 54602 0.0812 0.5523 -0.41916 2008 5 17 54603 0.0844 0.5521 -0.42018 2008 5 18 54604 0.0875 0.5518 -0.42102 2008 5 19 54605 0.0907 0.5515 -0.42165 2008 5 20 54606 0.0938 0.5511 -0.42208 2008 5 21 54607 0.0970 0.5507 -0.42236 2008 5 22 54608 0.1001 0.5502 -0.42253 2008 5 23 54609 0.1032 0.5497 -0.42268 2008 5 24 54610 0.1063 0.5492 -0.42286 2008 5 25 54611 0.1095 0.5485 -0.42316 2008 5 26 54612 0.1126 0.5479 -0.42361 2008 5 27 54613 0.1157 0.5472 -0.42426 2008 5 28 54614 0.1187 0.5464 -0.42512 2008 5 29 54615 0.1218 0.5456 -0.42614 2008 5 30 54616 0.1249 0.5448 -0.42725 2008 5 31 54617 0.1279 0.5439 -0.42833 2008 6 1 54618 0.1309 0.5430 -0.42927 2008 6 2 54619 0.1340 0.5420 -0.42995 2008 6 3 54620 0.1370 0.5410 -0.43034 2008 6 4 54621 0.1399 0.5399 -0.43052 2008 6 5 54622 0.1429 0.5388 -0.43061 2008 6 6 54623 0.1459 0.5376 -0.43076 2008 6 7 54624 0.1488 0.5364 -0.43111 2008 6 8 54625 0.1517 0.5351 -0.43168 2008 6 9 54626 0.1546 0.5338 -0.43246 2008 6 10 54627 0.1575 0.5325 -0.43334 2008 6 11 54628 0.1603 0.5311 -0.43424 2008 6 12 54629 0.1631 0.5297 -0.43505 2008 6 13 54630 0.1659 0.5282 -0.43570 2008 6 14 54631 0.1687 0.5267 -0.43614 2008 6 15 54632 0.1715 0.5251 -0.43637 2008 6 16 54633 0.1742 0.5235 -0.43640 2008 6 17 54634 0.1769 0.5219 -0.43626 2008 6 18 54635 0.1795 0.5202 -0.43603 2008 6 19 54636 0.1822 0.5185 -0.43578 2008 6 20 54637 0.1848 0.5167 -0.43560 2008 6 21 54638 0.1874 0.5149 -0.43555 2008 6 22 54639 0.1900 0.5131 -0.43569 2008 6 23 54640 0.1925 0.5112 -0.43603 2008 6 24 54641 0.1950 0.5093 -0.43660 2008 6 25 54642 0.1974 0.5073 -0.43735 2008 6 26 54643 0.1999 0.5053 -0.43824 2008 6 27 54644 0.2023 0.5033 -0.43917 2008 6 28 54645 0.2046 0.5013 -0.44005 2008 6 29 54646 0.2070 0.4992 -0.44074 2008 6 30 54647 0.2093 0.4970 -0.44120 2008 7 1 54648 0.2115 0.4948 -0.44142 2008 7 2 54649 0.2137 0.4926 -0.44150 2008 7 3 54650 0.2159 0.4904 -0.44153 2008 7 4 54651 0.2181 0.4881 -0.44163 2008 7 5 54652 0.2202 0.4858 -0.44186 2008 7 6 54653 0.2223 0.4835 -0.44225 2008 7 7 54654 0.2243 0.4811 -0.44275 2008 7 8 54655 0.2263 0.4787 -0.44326 2008 7 9 54656 0.2283 0.4763 -0.44371 2008 7 10 54657 0.2302 0.4739 -0.44406 2008 7 11 54658 0.2320 0.4714 -0.44425 2008 7 12 54659 0.2339 0.4689 -0.44421 2008 7 13 54660 0.2357 0.4663 -0.44393 2008 7 14 54661 0.2374 0.4638 -0.44344 2008 7 15 54662 0.2391 0.4612 -0.44281 2008 7 16 54663 0.2408 0.4585 -0.44211 2008 7 17 54664 0.2424 0.4559 -0.44143 2008 7 18 54665 0.2440 0.4532 -0.44084 2008 7 19 54666 0.2455 0.4505 -0.44037 2008 7 20 54667 0.2470 0.4478 -0.44010 2008 7 21 54668 0.2484 0.4451 -0.44004 2008 7 22 54669 0.2498 0.4423 -0.44023 2008 7 23 54670 0.2512 0.4396 -0.44056 2008 7 24 54671 0.2524 0.4368 -0.44091 2008 7 25 54672 0.2537 0.4340 -0.44120 2008 7 26 54673 0.2549 0.4311 -0.44137 2008 7 27 54674 0.2561 0.4283 -0.44137 2008 7 28 54675 0.2572 0.4254 -0.44117 2008 7 29 54676 0.2582 0.4225 -0.44084 2008 7 30 54677 0.2592 0.4196 -0.44045 2008 7 31 54678 0.2602 0.4167 -0.44015 2008 8 1 54679 0.2611 0.4138 -0.44010 2008 8 2 54680 0.2620 0.4108 -0.44029 2008 8 3 54681 0.2628 0.4079 -0.44081 2008 8 4 54682 0.2636 0.4049 -0.44154 2008 8 5 54683 0.2643 0.4019 -0.44232 2008 8 6 54684 0.2649 0.3990 -0.44304 2008 8 7 54685 0.2656 0.3960 -0.44354 2008 8 8 54686 0.2661 0.3930 -0.44373 2008 8 9 54687 0.2666 0.3899 -0.44367 2008 8 10 54688 0.2671 0.3869 -0.44335 2008 8 11 54689 0.2675 0.3839 -0.44285 2008 8 12 54690 0.2679 0.3809 -0.44220 2008 8 13 54691 0.2682 0.3778 -0.44150 2008 8 14 54692 0.2684 0.3748 -0.44079 2008 8 15 54693 0.2686 0.3717 -0.44026 2008 8 16 54694 0.2688 0.3687 -0.43997 2008 8 17 54695 0.2689 0.3656 -0.43995 2008 8 18 54696 0.2690 0.3626 -0.44013 2008 8 19 54697 0.2690 0.3595 -0.44047 2008 8 20 54698 0.2689 0.3565 -0.44093 2008 8 21 54699 0.2688 0.3535 -0.44133 2008 8 22 54700 0.2686 0.3504 -0.44158 2008 8 23 54701 0.2684 0.3474 -0.44167 2008 8 24 54702 0.2682 0.3443 -0.44163 2008 8 25 54703 0.2679 0.3413 -0.44145 2008 8 26 54704 0.2675 0.3383 -0.44113 2008 8 27 54705 0.2671 0.3353 -0.44081 2008 8 28 54706 0.2666 0.3322 -0.44064 2008 8 29 54707 0.2661 0.3292 -0.44064 2008 8 30 54708 0.2656 0.3262 -0.44084 2008 8 31 54709 0.2650 0.3233 -0.44126 2008 9 1 54710 0.2643 0.3203 -0.44183 2008 9 2 54711 0.2636 0.3173 -0.44239 2008 9 3 54712 0.2628 0.3144 -0.44285 2008 9 4 54713 0.2620 0.3114 -0.44314 2008 9 5 54714 0.2611 0.3085 -0.44323 2008 9 6 54715 0.2602 0.3056 -0.44316 2008 9 7 54716 0.2592 0.3027 -0.44292 2008 9 8 54717 0.2582 0.2998 -0.44251 2008 9 9 54718 0.2572 0.2969 -0.44208 2008 9 10 54719 0.2561 0.2941 -0.44170 2008 9 11 54720 0.2549 0.2913 -0.44144 2008 9 12 54721 0.2537 0.2884 -0.44139 2008 9 13 54722 0.2524 0.2857 -0.44159 2008 9 14 54723 0.2511 0.2829 -0.44207 2008 9 15 54724 0.2498 0.2801 -0.44280 2008 9 16 54725 0.2484 0.2774 -0.44367 2008 9 17 54726 0.2469 0.2747 -0.44455 2008 9 18 54727 0.2455 0.2720 -0.44528 2008 9 19 54728 0.2439 0.2693 -0.44577 2008 9 20 54729 0.2423 0.2667 -0.44594 2008 9 21 54730 0.2407 0.2641 -0.44593 2008 9 22 54731 0.2390 0.2615 -0.44584 2008 9 23 54732 0.2373 0.2589 -0.44581 2008 9 24 54733 0.2356 0.2564 -0.44596 2008 9 25 54734 0.2338 0.2539 -0.44633 2008 9 26 54735 0.2319 0.2514 -0.44707 2008 9 27 54736 0.2301 0.2490 -0.44814 2008 9 28 54737 0.2281 0.2466 -0.44947 2008 9 29 54738 0.2262 0.2442 -0.45091 2008 9 30 54739 0.2242 0.2418 -0.45232 2008 10 1 54740 0.2221 0.2395 -0.45364 2008 10 2 54741 0.2200 0.2372 -0.45478 2008 10 3 54742 0.2179 0.2349 -0.45573 2008 10 4 54743 0.2157 0.2327 -0.45653 2008 10 5 54744 0.2135 0.2305 -0.45728 2008 10 6 54745 0.2113 0.2283 -0.45799 2008 10 7 54746 0.2090 0.2262 -0.45877 2008 10 8 54747 0.2067 0.2241 -0.45967 2008 10 9 54748 0.2043 0.2221 -0.46079 2008 10 10 54749 0.2020 0.2201 -0.46215 2008 10 11 54750 0.1995 0.2181 -0.46377 2008 10 12 54751 0.1971 0.2161 -0.46562 2008 10 13 54752 0.1946 0.2142 -0.46765 2008 10 14 54753 0.1921 0.2124 -0.46974 2008 10 15 54754 0.1895 0.2106 -0.47175 2008 10 16 54755 0.1870 0.2088 -0.47360 2008 10 17 54756 0.1844 0.2070 -0.47520 2008 10 18 54757 0.1817 0.2053 -0.47652 2008 10 19 54758 0.1791 0.2037 -0.47769 2008 10 20 54759 0.1764 0.2020 -0.47883 2008 10 21 54760 0.1736 0.2004 -0.48002 2008 10 22 54761 0.1709 0.1989 -0.48138 2008 10 23 54762 0.1681 0.1974 -0.48297 2008 10 24 54763 0.1653 0.1960 -0.48474 2008 10 25 54764 0.1625 0.1946 -0.48658 2008 10 26 54765 0.1596 0.1932 -0.48844 2008 10 27 54766 0.1567 0.1919 -0.49029 2008 10 28 54767 0.1538 0.1906 -0.49191 2008 10 29 54768 0.1509 0.1894 -0.49332 2008 10 30 54769 0.1480 0.1882 -0.49452 2008 10 31 54770 0.1450 0.1870 -0.49551 2008 11 1 54771 0.1420 0.1859 -0.49628 2008 11 2 54772 0.1390 0.1849 -0.49699 2008 11 3 54773 0.1360 0.1839 -0.49766 2008 11 4 54774 0.1330 0.1829 -0.49834 2008 11 5 54775 0.1299 0.1820 -0.49913 2008 11 6 54776 0.1269 0.1812 -0.50010 2008 11 7 54777 0.1238 0.1804 -0.50126 2008 11 8 54778 0.1207 0.1796 -0.50260 2008 11 9 54779 0.1176 0.1789 -0.50418 2008 11 10 54780 0.1145 0.1782 -0.50589 2008 11 11 54781 0.1114 0.1776 -0.50762 2008 11 12 54782 0.1082 0.1770 -0.50923 2008 11 13 54783 0.1051 0.1765 -0.51062 2008 11 14 54784 0.1019 0.1760 -0.51175 2008 11 15 54785 0.0987 0.1756 -0.51257 2008 11 16 54786 0.0956 0.1752 -0.51330 2008 11 17 54787 0.0924 0.1749 -0.51408 2008 11 18 54788 0.0892 0.1746 -0.51503 2008 11 19 54789 0.0860 0.1744 -0.51619 2008 11 20 54790 0.0828 0.1742 -0.51753 2008 11 21 54791 0.0796 0.1740 -0.51899 2008 11 22 54792 0.0764 0.1740 -0.52045 2008 11 23 54793 0.0732 0.1739 -0.52186 2008 11 24 54794 0.0700 0.1739 -0.52317 2008 11 25 54795 0.0668 0.1740 -0.52425 2008 11 26 54796 0.0636 0.1741 -0.52508 2008 11 27 54797 0.0604 0.1743 -0.52575 2008 11 28 54798 0.0572 0.1745 -0.52630 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) 54414 -63.75 .28 -4.37 .12 54415 -63.80 .25 -4.64 .34 54416 -63.69 .25 -4.69 .34 54417 -63.39 .21 -4.59 .34 54418 -63.02 .24 -4.49 .34 54419 -62.74 .24 -4.45 .34 54420 -62.56 .24 -4.38 .34 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 54375 -68.0 -5.9 54376 -67.9 -6.0 54377 -67.6 -6.1 54378 -67.2 -6.1 54379 -66.7 -5.9 54380 -66.3 -5.7 54381 -66.0 -5.4 54382 -66.0 -5.1 54383 -66.1 -4.9 54384 -66.4 -4.7 54385 -66.3 -4.9 54386 -66.2 -5.2 54387 -66.0 -5.5 54388 -65.9 -5.7 54389 -65.7 -5.8 54390 -65.7 -6.0 54391 -65.7 -6.0 54392 -65.6 -5.9 54393 -65.5 -5.6 54394 -65.4 -5.4 54395 -65.4 -5.4 54396 -65.4 -5.4 54397 -65.5 -5.2 54398 -65.6 -5.0 54399 -65.6 -5.1 54400 -65.4 -5.3 54401 -65.0 -5.3 54402 -64.9 -5.1 54403 -64.9 -4.9 54404 -64.6 -4.9 54405 -64.0 -5.0 54406 -63.6 -4.9 54407 -63.5 -4.6 54408 -63.7 -4.3 54409 -63.8 -4.1 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 54414 -0.129 0.111 -0.090 0.120 54415 -0.121 0.099 -0.088 0.340 54416 -0.109 0.099 -0.077 0.340 54417 -0.094 0.084 -0.074 0.340 54418 -0.076 0.095 -0.070 0.340 54419 -0.065 0.095 -0.067 0.340 54420 -0.055 0.095 -0.051 0.340 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 54375 -0.08 -0.22 54376 -0.06 -0.23 54377 -0.04 -0.21 54378 -0.02 -0.23 54379 0.06 -0.20 54380 0.10 -0.24 54381 0.12 -0.21 54382 0.05 -0.21 54383 -0.02 -0.27 54384 -0.13 -0.12 54385 -0.04 -0.09 54386 0.06 -0.02 54387 0.14 -0.02 54388 0.11 -0.09 54389 0.07 -0.14 54390 -0.02 -0.25 54391 -0.06 -0.19 54392 -0.07 -0.18 54393 -0.09 -0.11 54394 -0.10 -0.09 54395 -0.11 -0.16 54396 -0.09 -0.23 54397 -0.09 -0.24 54398 -0.07 -0.23 54399 -0.09 -0.27 54400 -0.17 -0.26 54401 -0.21 -0.24 54402 -0.24 -0.27 54403 -0.14 -0.24 54404 0.05 -0.14 54405 0.24 -0.04 54406 0.27 0.03 54407 0.23 0.02 54408 0.11 -0.05 54409 0.01 -0.09 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.