********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 15 November 2007 Vol. XX No. 046 ______________________________________________________________________ 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 ********************************************************************** * As of Bulletin A Vol. XX, No. 046, on 15 November 2007, we have * * incorporated the new USNO VLBI solutions usno2007c and usnoint * * 2007c. The effect appears to be less than 0.10 mas in polar * * motion and 10 us in UT1-UTC. * ********************************************************************** ________________________________________________________________________ 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 9 54413 .02778 .00009 .19342 .00009 -.220842 .000011 7 11 10 54414 .02526 .00009 .19347 .00010 -.221604 .000011 7 11 11 54415 .02269 .00009 .19360 .00010 -.222184 .000011 7 11 12 54416 .01993 .00009 .19407 .00010 -.222592 .000011 7 11 13 54417 .01695 .00009 .19459 .00010 -.222919 .000010 7 11 14 54418 .01403 .00009 .19492 .00009 -.223293 .000048 7 11 15 54419 .01116 .00009 .19538 .00009 -.223800 .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 = .0584 + .0292 cos A - .0910 sin A - .0665 cos C - .0785 sin C y = .3571 - .0868 cos A - .0309 sin A - .0785 cos C + .0665 sin C UT1-UTC = -.2338 - .00090 (MJD - 54427) - (UT2-UT1) where A = 2*pi*(MJD-54419)/365.25 and C = 2*pi*(MJD-54419)/435. TAI-UTC(MJD 54420) = 33.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-54419)**0.80 S t = 0.00025 (MJD-54419)**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 16 54420 0.0084 0.1958 -0.22458 2007 11 17 54421 0.0056 0.1965 -0.22563 2007 11 18 54422 0.0028 0.1972 -0.22692 2007 11 19 54423 0.0001 0.1980 -0.22847 2007 11 20 54424 -0.0026 0.1989 -0.23025 2007 11 21 54425 -0.0054 0.1999 -0.23213 2007 11 22 54426 -0.0082 0.2009 -0.23397 2007 11 23 54427 -0.0109 0.2019 -0.23562 2007 11 24 54428 -0.0136 0.2030 -0.23695 2007 11 25 54429 -0.0163 0.2042 -0.23796 2007 11 26 54430 -0.0190 0.2054 -0.23873 2007 11 27 54431 -0.0217 0.2067 -0.23943 2007 11 28 54432 -0.0244 0.2080 -0.24015 2007 11 29 54433 -0.0270 0.2093 -0.24096 2007 11 30 54434 -0.0296 0.2107 -0.24193 2007 12 1 54435 -0.0322 0.2122 -0.24303 2007 12 2 54436 -0.0348 0.2137 -0.24417 2007 12 3 54437 -0.0373 0.2152 -0.24528 2007 12 4 54438 -0.0398 0.2168 -0.24630 2007 12 5 54439 -0.0423 0.2184 -0.24720 2007 12 6 54440 -0.0448 0.2200 -0.24795 2007 12 7 54441 -0.0473 0.2217 -0.24850 2007 12 8 54442 -0.0497 0.2235 -0.24887 2007 12 9 54443 -0.0521 0.2252 -0.24910 2007 12 10 54444 -0.0545 0.2271 -0.24922 2007 12 11 54445 -0.0568 0.2289 -0.24933 2007 12 12 54446 -0.0591 0.2308 -0.24950 2007 12 13 54447 -0.0614 0.2327 -0.24981 2007 12 14 54448 -0.0637 0.2347 -0.25032 2007 12 15 54449 -0.0659 0.2366 -0.25105 2007 12 16 54450 -0.0681 0.2387 -0.25202 2007 12 17 54451 -0.0703 0.2407 -0.25317 2007 12 18 54452 -0.0724 0.2428 -0.25442 2007 12 19 54453 -0.0745 0.2449 -0.25567 2007 12 20 54454 -0.0765 0.2471 -0.25678 2007 12 21 54455 -0.0786 0.2493 -0.25766 2007 12 22 54456 -0.0806 0.2515 -0.25828 2007 12 23 54457 -0.0825 0.2538 -0.25868 2007 12 24 54458 -0.0844 0.2560 -0.25899 2007 12 25 54459 -0.0863 0.2583 -0.25935 2007 12 26 54460 -0.0882 0.2607 -0.25987 2007 12 27 54461 -0.0900 0.2630 -0.26061 2007 12 28 54462 -0.0917 0.2654 -0.26155 2007 12 29 54463 -0.0935 0.2679 -0.26262 2007 12 30 54464 -0.0952 0.2703 -0.26373 2007 12 31 54465 -0.0968 0.2728 -0.26480 2008 1 1 54466 -0.0984 0.2753 -0.26577 2008 1 2 54467 -0.1000 0.2778 -0.26659 2008 1 3 54468 -0.1015 0.2803 -0.26724 2008 1 4 54469 -0.1030 0.2829 -0.26770 2008 1 5 54470 -0.1045 0.2855 -0.26801 2008 1 6 54471 -0.1059 0.2881 -0.26820 2008 1 7 54472 -0.1073 0.2907 -0.26833 2008 1 8 54473 -0.1086 0.2934 -0.26850 2008 1 9 54474 -0.1099 0.2961 -0.26879 2008 1 10 54475 -0.1111 0.2987 -0.26927 2008 1 11 54476 -0.1123 0.3015 -0.26999 2008 1 12 54477 -0.1134 0.3042 -0.27094 2008 1 13 54478 -0.1145 0.3069 -0.27208 2008 1 14 54479 -0.1156 0.3097 -0.27333 2008 1 15 54480 -0.1166 0.3125 -0.27457 2008 1 16 54481 -0.1175 0.3153 -0.27570 2008 1 17 54482 -0.1185 0.3181 -0.27661 2008 1 18 54483 -0.1193 0.3209 -0.27727 2008 1 19 54484 -0.1202 0.3237 -0.27772 2008 1 20 54485 -0.1209 0.3266 -0.27805 2008 1 21 54486 -0.1217 0.3294 -0.27838 2008 1 22 54487 -0.1224 0.3323 -0.27884 2008 1 23 54488 -0.1230 0.3352 -0.27952 2008 1 24 54489 -0.1236 0.3381 -0.28043 2008 1 25 54490 -0.1241 0.3410 -0.28153 2008 1 26 54491 -0.1246 0.3439 -0.28272 2008 1 27 54492 -0.1251 0.3468 -0.28391 2008 1 28 54493 -0.1254 0.3497 -0.28503 2008 1 29 54494 -0.1258 0.3526 -0.28601 2008 1 30 54495 -0.1261 0.3556 -0.28682 2008 1 31 54496 -0.1263 0.3585 -0.28746 2008 2 1 54497 -0.1265 0.3614 -0.28794 2008 2 2 54498 -0.1267 0.3644 -0.28831 2008 2 3 54499 -0.1268 0.3673 -0.28864 2008 2 4 54500 -0.1268 0.3703 -0.28899 2008 2 5 54501 -0.1269 0.3732 -0.28947 2008 2 6 54502 -0.1268 0.3762 -0.29014 2008 2 7 54503 -0.1267 0.3791 -0.29107 2008 2 8 54504 -0.1266 0.3820 -0.29228 2008 2 9 54505 -0.1264 0.3850 -0.29372 2008 2 10 54506 -0.1261 0.3879 -0.29531 2008 2 11 54507 -0.1258 0.3908 -0.29693 2008 2 12 54508 -0.1255 0.3938 -0.29843 2008 2 13 54509 -0.1251 0.3967 -0.29973 2008 2 14 54510 -0.1247 0.3996 -0.30076 2008 2 15 54511 -0.1242 0.4025 -0.30157 2008 2 16 54512 -0.1236 0.4054 -0.30222 2008 2 17 54513 -0.1231 0.4083 -0.30286 2008 2 18 54514 -0.1224 0.4112 -0.30359 2008 2 19 54515 -0.1217 0.4141 -0.30452 2008 2 20 54516 -0.1210 0.4169 -0.30569 2008 2 21 54517 -0.1202 0.4198 -0.30708 2008 2 22 54518 -0.1194 0.4226 -0.30861 2008 2 23 54519 -0.1185 0.4254 -0.31021 2008 2 24 54520 -0.1176 0.4282 -0.31175 2008 2 25 54521 -0.1166 0.4310 -0.31319 2008 2 26 54522 -0.1156 0.4338 -0.31447 2008 2 27 54523 -0.1145 0.4366 -0.31557 2008 2 28 54524 -0.1134 0.4393 -0.31650 2008 2 29 54525 -0.1123 0.4421 -0.31730 2008 3 1 54526 -0.1111 0.4448 -0.31803 2008 3 2 54527 -0.1098 0.4475 -0.31874 2008 3 3 54528 -0.1085 0.4501 -0.31943 2008 3 4 54529 -0.1072 0.4528 -0.32028 2008 3 5 54530 -0.1058 0.4554 -0.32136 2008 3 6 54531 -0.1043 0.4580 -0.32272 2008 3 7 54532 -0.1029 0.4606 -0.32436 2008 3 8 54533 -0.1013 0.4632 -0.32619 2008 3 9 54534 -0.0998 0.4657 -0.32811 2008 3 10 54535 -0.0982 0.4683 -0.32995 2008 3 11 54536 -0.0965 0.4708 -0.33160 2008 3 12 54537 -0.0948 0.4732 -0.33296 2008 3 13 54538 -0.0931 0.4757 -0.33406 2008 3 14 54539 -0.0913 0.4781 -0.33496 2008 3 15 54540 -0.0895 0.4805 -0.33580 2008 3 16 54541 -0.0876 0.4828 -0.33670 2008 3 17 54542 -0.0857 0.4852 -0.33775 2008 3 18 54543 -0.0838 0.4875 -0.33902 2008 3 19 54544 -0.0818 0.4897 -0.34050 2008 3 20 54545 -0.0798 0.4920 -0.34214 2008 3 21 54546 -0.0777 0.4942 -0.34386 2008 3 22 54547 -0.0756 0.4964 -0.34558 2008 3 23 54548 -0.0735 0.4985 -0.34720 2008 3 24 54549 -0.0713 0.5006 -0.34867 2008 3 25 54550 -0.0691 0.5027 -0.34995 2008 3 26 54551 -0.0668 0.5048 -0.35104 2008 3 27 54552 -0.0646 0.5068 -0.35198 2008 3 28 54553 -0.0622 0.5088 -0.35281 2008 3 29 54554 -0.0599 0.5107 -0.35360 2008 3 30 54555 -0.0575 0.5126 -0.35443 2008 3 31 54556 -0.0551 0.5145 -0.35537 2008 4 1 54557 -0.0527 0.5163 -0.35651 2008 4 2 54558 -0.0502 0.5181 -0.35789 2008 4 3 54559 -0.0477 0.5199 -0.35955 2008 4 4 54560 -0.0451 0.5216 -0.36145 2008 4 5 54561 -0.0425 0.5233 -0.36350 2008 4 6 54562 -0.0399 0.5249 -0.36555 2008 4 7 54563 -0.0373 0.5265 -0.36744 2008 4 8 54564 -0.0347 0.5281 -0.36906 2008 4 9 54565 -0.0320 0.5296 -0.37037 2008 4 10 54566 -0.0293 0.5311 -0.37144 2008 4 11 54567 -0.0265 0.5325 -0.37237 2008 4 12 54568 -0.0238 0.5339 -0.37332 2008 4 13 54569 -0.0210 0.5353 -0.37438 2008 4 14 54570 -0.0182 0.5366 -0.37563 2008 4 15 54571 -0.0153 0.5378 -0.37707 2008 4 16 54572 -0.0125 0.5391 -0.37865 2008 4 17 54573 -0.0096 0.5403 -0.38031 2008 4 18 54574 -0.0067 0.5414 -0.38197 2008 4 19 54575 -0.0038 0.5425 -0.38355 2008 4 20 54576 -0.0008 0.5435 -0.38498 2008 4 21 54577 0.0021 0.5445 -0.38622 2008 4 22 54578 0.0051 0.5455 -0.38726 2008 4 23 54579 0.0081 0.5464 -0.38812 2008 4 24 54580 0.0111 0.5473 -0.38884 2008 4 25 54581 0.0141 0.5481 -0.38949 2008 4 26 54582 0.0172 0.5489 -0.39013 2008 4 27 54583 0.0202 0.5496 -0.39083 2008 4 28 54584 0.0233 0.5503 -0.39168 2008 4 29 54585 0.0264 0.5509 -0.39273 2008 4 30 54586 0.0295 0.5515 -0.39401 2008 5 1 54587 0.0326 0.5521 -0.39552 2008 5 2 54588 0.0357 0.5526 -0.39721 2008 5 3 54589 0.0388 0.5530 -0.39896 2008 5 4 54590 0.0419 0.5534 -0.40063 2008 5 5 54591 0.0451 0.5538 -0.40207 2008 5 6 54592 0.0482 0.5541 -0.40321 2008 5 7 54593 0.0514 0.5543 -0.40406 2008 5 8 54594 0.0545 0.5545 -0.40471 2008 5 9 54595 0.0577 0.5547 -0.40532 2008 5 10 54596 0.0608 0.5548 -0.40600 2008 5 11 54597 0.0640 0.5549 -0.40686 2008 5 12 54598 0.0672 0.5549 -0.40791 2008 5 13 54599 0.0703 0.5548 -0.40910 2008 5 14 54600 0.0735 0.5548 -0.41037 2008 5 15 54601 0.0767 0.5546 -0.41164 2008 5 16 54602 0.0799 0.5545 -0.41284 2008 5 17 54603 0.0830 0.5542 -0.41390 2008 5 18 54604 0.0862 0.5540 -0.41480 2008 5 19 54605 0.0893 0.5536 -0.41552 2008 5 20 54606 0.0925 0.5533 -0.41608 2008 5 21 54607 0.0957 0.5529 -0.41651 2008 5 22 54608 0.0988 0.5524 -0.41689 2008 5 23 54609 0.1019 0.5519 -0.41727 2008 5 24 54610 0.1051 0.5513 -0.41771 2008 5 25 54611 0.1082 0.5507 -0.41829 2008 5 26 54612 0.1113 0.5501 -0.41903 2008 5 27 54613 0.1144 0.5494 -0.41996 2008 5 28 54614 0.1175 0.5486 -0.42109 2008 5 29 54615 0.1206 0.5478 -0.42238 2008 5 30 54616 0.1237 0.5470 -0.42376 2008 5 31 54617 0.1267 0.5461 -0.42513 2008 6 1 54618 0.1297 0.5452 -0.42636 2008 6 2 54619 0.1328 0.5442 -0.42736 2008 6 3 54620 0.1358 0.5432 -0.42809 2008 6 4 54621 0.1388 0.5421 -0.42860 2008 6 5 54622 0.1417 0.5410 -0.42903 2008 6 6 54623 0.1447 0.5398 -0.42949 2008 6 7 54624 0.1476 0.5386 -0.43011 2008 6 8 54625 0.1506 0.5374 -0.43091 2008 6 9 54626 0.1535 0.5361 -0.43184 2008 6 10 54627 0.1563 0.5347 -0.43282 2008 6 11 54628 0.1592 0.5333 -0.43374 2008 6 12 54629 0.1620 0.5319 -0.43453 2008 6 13 54630 0.1648 0.5304 -0.43514 2008 6 14 54631 0.1676 0.5289 -0.43555 2008 6 15 54632 0.1704 0.5274 -0.43573 2008 6 16 54633 0.1731 0.5258 -0.43569 2008 6 17 54634 0.1758 0.5242 -0.43545 2008 6 18 54635 0.1785 0.5225 -0.43507 2008 6 19 54636 0.1812 0.5208 -0.43463 2008 6 20 54637 0.1838 0.5190 -0.43420 2008 6 21 54638 0.1864 0.5172 -0.43386 2008 6 22 54639 0.1889 0.5154 -0.43365 2008 6 23 54640 0.1915 0.5135 -0.43364 2008 6 24 54641 0.1940 0.5116 -0.43386 2008 6 25 54642 0.1965 0.5097 -0.43428 2008 6 26 54643 0.1989 0.5077 -0.43480 2008 6 27 54644 0.2013 0.5056 -0.43534 2008 6 28 54645 0.2037 0.5036 -0.43582 2008 6 29 54646 0.2060 0.5015 -0.43616 2008 6 30 54647 0.2083 0.4994 -0.43626 2008 7 1 54648 0.2106 0.4972 -0.43615 2008 7 2 54649 0.2128 0.4950 -0.43586 2008 7 3 54650 0.2150 0.4928 -0.43555 2008 7 4 54651 0.2172 0.4905 -0.43541 2008 7 5 54652 0.2193 0.4882 -0.43549 2008 7 6 54653 0.2214 0.4859 -0.43589 2008 7 7 54654 0.2234 0.4835 -0.43653 2008 7 8 54655 0.2254 0.4811 -0.43727 2008 7 9 54656 0.2274 0.4787 -0.43798 2008 7 10 54657 0.2293 0.4763 -0.43850 2008 7 11 54658 0.2312 0.4738 -0.43873 2008 7 12 54659 0.2330 0.4713 -0.43869 2008 7 13 54660 0.2348 0.4688 -0.43838 2008 7 14 54661 0.2366 0.4662 -0.43783 2008 7 15 54662 0.2383 0.4636 -0.43708 2008 7 16 54663 0.2400 0.4610 -0.43619 2008 7 17 54664 0.2416 0.4584 -0.43525 2008 7 18 54665 0.2432 0.4557 -0.43441 2008 7 19 54666 0.2447 0.4530 -0.43377 2008 7 20 54667 0.2462 0.4503 -0.43335 2008 7 21 54668 0.2477 0.4476 -0.43313 2008 7 22 54669 0.2491 0.4449 -0.43311 2008 7 23 54670 0.2504 0.4421 -0.43325 2008 7 24 54671 0.2517 0.4393 -0.43343 2008 7 25 54672 0.2530 0.4365 -0.43352 2008 7 26 54673 0.2542 0.4337 -0.43350 2008 7 27 54674 0.2554 0.4308 -0.43334 2008 7 28 54675 0.2565 0.4280 -0.43298 2008 7 29 54676 0.2576 0.4251 -0.43239 2008 7 30 54677 0.2586 0.4222 -0.43169 2008 7 31 54678 0.2595 0.4193 -0.43106 2008 8 1 54679 0.2605 0.4164 -0.43056 2008 8 2 54680 0.2613 0.4135 -0.43027 2008 8 3 54681 0.2622 0.4105 -0.43023 2008 8 4 54682 0.2629 0.4075 -0.43040 2008 8 5 54683 0.2637 0.4046 -0.43060 2008 8 6 54684 0.2643 0.4016 -0.43072 2008 8 7 54685 0.2650 0.3986 -0.43070 2008 8 8 54686 0.2655 0.3956 -0.43048 2008 8 9 54687 0.2661 0.3926 -0.43009 2008 8 10 54688 0.2665 0.3896 -0.42949 2008 8 11 54689 0.2669 0.3866 -0.42867 2008 8 12 54690 0.2673 0.3836 -0.42777 2008 8 13 54691 0.2676 0.3805 -0.42687 2008 8 14 54692 0.2679 0.3775 -0.42604 2008 8 15 54693 0.2681 0.3745 -0.42538 2008 8 16 54694 0.2683 0.3714 -0.42495 2008 8 17 54695 0.2684 0.3684 -0.42479 2008 8 18 54696 0.2684 0.3654 -0.42489 2008 8 19 54697 0.2685 0.3623 -0.42519 2008 8 20 54698 0.2684 0.3593 -0.42556 2008 8 21 54699 0.2683 0.3562 -0.42586 2008 8 22 54700 0.2682 0.3532 -0.42599 2008 8 23 54701 0.2680 0.3502 -0.42582 2008 8 24 54702 0.2677 0.3472 -0.42543 2008 8 25 54703 0.2674 0.3441 -0.42491 2008 8 26 54704 0.2671 0.3411 -0.42435 2008 8 27 54705 0.2667 0.3381 -0.42390 2008 8 28 54706 0.2662 0.3351 -0.42363 2008 8 29 54707 0.2657 0.3321 -0.42373 2008 8 30 54708 0.2652 0.3291 -0.42423 2008 8 31 54709 0.2645 0.3261 -0.42506 2008 9 1 54710 0.2639 0.3232 -0.42607 2008 9 2 54711 0.2632 0.3202 -0.42710 2008 9 3 54712 0.2624 0.3173 -0.42807 2008 9 4 54713 0.2616 0.3143 -0.42888 2008 9 5 54714 0.2608 0.3114 -0.42948 2008 9 6 54715 0.2598 0.3085 -0.42993 2008 9 7 54716 0.2589 0.3056 -0.43028 2008 9 8 54717 0.2579 0.3028 -0.43056 2008 9 9 54718 0.2568 0.2999 -0.43086 2008 9 10 54719 0.2557 0.2971 -0.43124 2008 9 11 54720 0.2546 0.2942 -0.43182 2008 9 12 54721 0.2534 0.2914 -0.43263 2008 9 13 54722 0.2521 0.2886 -0.43370 2008 9 14 54723 0.2508 0.2859 -0.43504 2008 9 15 54724 0.2495 0.2831 -0.43660 2008 9 16 54725 0.2481 0.2804 -0.43829 2008 9 17 54726 0.2467 0.2777 -0.43996 2008 9 18 54727 0.2452 0.2750 -0.44154 2008 9 19 54728 0.2436 0.2724 -0.44291 2008 9 20 54729 0.2421 0.2697 -0.44399 2008 9 21 54730 0.2405 0.2671 -0.44488 2008 9 22 54731 0.2388 0.2646 -0.44566 2008 9 23 54732 0.2371 0.2620 -0.44642 2008 9 24 54733 0.2353 0.2595 -0.44731 2008 9 25 54734 0.2335 0.2570 -0.44843 2008 9 26 54735 0.2317 0.2545 -0.44980 2008 9 27 54736 0.2298 0.2521 -0.45132 2008 9 28 54737 0.2279 0.2497 -0.45296 2008 9 29 54738 0.2259 0.2473 -0.45467 2008 9 30 54739 0.2239 0.2449 -0.45620 2008 10 1 54740 0.2219 0.2426 -0.45756 2008 10 2 54741 0.2198 0.2403 -0.45869 2008 10 3 54742 0.2177 0.2381 -0.45963 2008 10 4 54743 0.2155 0.2358 -0.46031 2008 10 5 54744 0.2133 0.2336 -0.46089 2008 10 6 54745 0.2111 0.2315 -0.46138 2008 10 7 54746 0.2088 0.2294 -0.46186 2008 10 8 54747 0.2065 0.2273 -0.46243 2008 10 9 54748 0.2042 0.2252 -0.46316 2008 10 10 54749 0.2018 0.2232 -0.46410 2008 10 11 54750 0.1994 0.2213 -0.46525 2008 10 12 54751 0.1970 0.2193 -0.46670 2008 10 13 54752 0.1945 0.2174 -0.46834 2008 10 14 54753 0.1920 0.2156 -0.47008 2008 10 15 54754 0.1894 0.2137 -0.47175 2008 10 16 54755 0.1869 0.2119 -0.47324 2008 10 17 54756 0.1842 0.2102 -0.47447 2008 10 18 54757 0.1816 0.2085 -0.47535 2008 10 19 54758 0.1789 0.2068 -0.47607 2008 10 20 54759 0.1763 0.2052 -0.47677 2008 10 21 54760 0.1735 0.2036 -0.47756 2008 10 22 54761 0.1708 0.2021 -0.47855 2008 10 23 54762 0.1680 0.2006 -0.47976 2008 10 24 54763 0.1652 0.1992 -0.48117 2008 10 25 54764 0.1624 0.1978 -0.48268 2008 10 26 54765 0.1595 0.1964 -0.48425 2008 10 27 54766 0.1567 0.1951 -0.48578 2008 10 28 54767 0.1538 0.1938 -0.48712 2008 10 29 54768 0.1509 0.1926 -0.48822 2008 10 30 54769 0.1479 0.1914 -0.48916 2008 10 31 54770 0.1450 0.1902 -0.48995 2008 11 1 54771 0.1420 0.1892 -0.49053 2008 11 2 54772 0.1390 0.1881 -0.49113 2008 11 3 54773 0.1360 0.1871 -0.49179 2008 11 4 54774 0.1330 0.1861 -0.49253 2008 11 5 54775 0.1299 0.1852 -0.49344 2008 11 6 54776 0.1269 0.1844 -0.49453 2008 11 7 54777 0.1238 0.1836 -0.49581 2008 11 8 54778 0.1207 0.1828 -0.49730 2008 11 9 54779 0.1176 0.1821 -0.49890 2008 11 10 54780 0.1145 0.1814 -0.50060 2008 11 11 54781 0.1113 0.1808 -0.50225 2008 11 12 54782 0.1082 0.1802 -0.50369 2008 11 13 54783 0.1050 0.1797 -0.50487 2008 11 14 54784 0.1019 0.1792 -0.50582 These predictions are based on all announced leap seconds. 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.