********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 24 January 2008 Vol. XXI No. 004 ______________________________________________________________________ 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 = -0.3 seconds beginning 29 November 2007 at 0000 UTC Beginning 1 January 2006: TAI-UTC(BIPM) = 33.000 000 seconds ********************************************************************** * There will NOT be a leap second introduced * * in UTC on 30 June 2008. * ********************************************************************** ________________________________________________________________________ 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 8 1 18 54483 -.11222 .00009 .29495 .00009 -.288793 .000014 8 1 19 54484 -.11400 .00009 .29705 .00009 -.289353 .000016 8 1 20 54485 -.11508 .00010 .29917 .00010 -.289769 .000030 8 1 21 54486 -.11518 .00010 .30164 .00010 -.290208 .000032 8 1 22 54487 -.11512 .00009 .30439 .00010 -.290802 .000037 8 1 23 54488 -.11538 .00009 .30681 .00010 -.291628 .000048 8 1 24 54489 -.11575 .00009 .30903 .00010 -.292722 .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 = .0497 - .0788 cos A - .0567 sin A - .0968 cos C + .0143 sin C y = .3521 - .0564 cos A + .0733 sin A + .0143 cos C + .0968 sin C UT1-UTC = -.3007 - .00085 (MJD - 54497) - (UT2-UT1) where A = 2*pi*(MJD-54489)/365.25 and C = 2*pi*(MJD-54489)/435. TAI-UTC(MJD 54490) = 33.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-54489)**0.80 S t = 0.00025 (MJD-54489)**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) 2008 1 25 54490 -0.1162 0.3114 -0.29404 2008 1 26 54491 -0.1168 0.3139 -0.29547 2008 1 27 54492 -0.1174 0.3164 -0.29691 2008 1 28 54493 -0.1180 0.3190 -0.29827 2008 1 29 54494 -0.1185 0.3218 -0.29948 2008 1 30 54495 -0.1190 0.3245 -0.30049 2008 1 31 54496 -0.1194 0.3273 -0.30129 2008 2 1 54497 -0.1197 0.3301 -0.30192 2008 2 2 54498 -0.1200 0.3328 -0.30242 2008 2 3 54499 -0.1202 0.3356 -0.30289 2008 2 4 54500 -0.1204 0.3384 -0.30341 2008 2 5 54501 -0.1206 0.3412 -0.30403 2008 2 6 54502 -0.1208 0.3440 -0.30482 2008 2 7 54503 -0.1209 0.3469 -0.30583 2008 2 8 54504 -0.1210 0.3498 -0.30708 2008 2 9 54505 -0.1210 0.3527 -0.30855 2008 2 10 54506 -0.1210 0.3556 -0.31017 2008 2 11 54507 -0.1210 0.3584 -0.31180 2008 2 12 54508 -0.1209 0.3613 -0.31331 2008 2 13 54509 -0.1207 0.3642 -0.31462 2008 2 14 54510 -0.1205 0.3671 -0.31570 2008 2 15 54511 -0.1203 0.3700 -0.31657 2008 2 16 54512 -0.1200 0.3729 -0.31731 2008 2 17 54513 -0.1196 0.3758 -0.31801 2008 2 18 54514 -0.1192 0.3787 -0.31880 2008 2 19 54515 -0.1188 0.3816 -0.31977 2008 2 20 54516 -0.1183 0.3845 -0.32096 2008 2 21 54517 -0.1178 0.3874 -0.32236 2008 2 22 54518 -0.1172 0.3903 -0.32390 2008 2 23 54519 -0.1166 0.3932 -0.32548 2008 2 24 54520 -0.1159 0.3960 -0.32699 2008 2 25 54521 -0.1152 0.3989 -0.32837 2008 2 26 54522 -0.1144 0.4017 -0.32956 2008 2 27 54523 -0.1136 0.4046 -0.33054 2008 2 28 54524 -0.1128 0.4074 -0.33134 2008 2 29 54525 -0.1118 0.4102 -0.33200 2008 3 1 54526 -0.1109 0.4130 -0.33257 2008 3 2 54527 -0.1099 0.4158 -0.33315 2008 3 3 54528 -0.1088 0.4185 -0.33382 2008 3 4 54529 -0.1077 0.4213 -0.33466 2008 3 5 54530 -0.1066 0.4240 -0.33575 2008 3 6 54531 -0.1054 0.4267 -0.33714 2008 3 7 54532 -0.1042 0.4294 -0.33881 2008 3 8 54533 -0.1029 0.4321 -0.34070 2008 3 9 54534 -0.1016 0.4348 -0.34267 2008 3 10 54535 -0.1002 0.4374 -0.34457 2008 3 11 54536 -0.0988 0.4400 -0.34627 2008 3 12 54537 -0.0973 0.4426 -0.34768 2008 3 13 54538 -0.0958 0.4452 -0.34880 2008 3 14 54539 -0.0943 0.4478 -0.34972 2008 3 15 54540 -0.0927 0.4503 -0.35056 2008 3 16 54541 -0.0911 0.4528 -0.35144 2008 3 17 54542 -0.0894 0.4553 -0.35246 2008 3 18 54543 -0.0877 0.4578 -0.35367 2008 3 19 54544 -0.0860 0.4602 -0.35509 2008 3 20 54545 -0.0842 0.4626 -0.35665 2008 3 21 54546 -0.0823 0.4650 -0.35828 2008 3 22 54547 -0.0804 0.4673 -0.35989 2008 3 23 54548 -0.0785 0.4696 -0.36140 2008 3 24 54549 -0.0766 0.4719 -0.36275 2008 3 25 54550 -0.0746 0.4742 -0.36390 2008 3 26 54551 -0.0726 0.4764 -0.36487 2008 3 27 54552 -0.0705 0.4786 -0.36567 2008 3 28 54553 -0.0684 0.4808 -0.36636 2008 3 29 54554 -0.0662 0.4829 -0.36701 2008 3 30 54555 -0.0641 0.4850 -0.36768 2008 3 31 54556 -0.0618 0.4871 -0.36846 2008 4 1 54557 -0.0596 0.4891 -0.36943 2008 4 2 54558 -0.0573 0.4911 -0.37065 2008 4 3 54559 -0.0550 0.4931 -0.37214 2008 4 4 54560 -0.0527 0.4950 -0.37388 2008 4 5 54561 -0.0503 0.4969 -0.37577 2008 4 6 54562 -0.0479 0.4987 -0.37766 2008 4 7 54563 -0.0454 0.5006 -0.37940 2008 4 8 54564 -0.0429 0.5023 -0.38087 2008 4 9 54565 -0.0404 0.5041 -0.38204 2008 4 10 54566 -0.0379 0.5058 -0.38296 2008 4 11 54567 -0.0353 0.5074 -0.38376 2008 4 12 54568 -0.0328 0.5091 -0.38457 2008 4 13 54569 -0.0301 0.5107 -0.38550 2008 4 14 54570 -0.0275 0.5122 -0.38661 2008 4 15 54571 -0.0248 0.5137 -0.38792 2008 4 16 54572 -0.0221 0.5152 -0.38938 2008 4 17 54573 -0.0194 0.5166 -0.39092 2008 4 18 54574 -0.0167 0.5180 -0.39245 2008 4 19 54575 -0.0139 0.5193 -0.39390 2008 4 20 54576 -0.0111 0.5206 -0.39520 2008 4 21 54577 -0.0083 0.5219 -0.39630 2008 4 22 54578 -0.0055 0.5231 -0.39720 2008 4 23 54579 -0.0026 0.5242 -0.39791 2008 4 24 54580 0.0002 0.5253 -0.39849 2008 4 25 54581 0.0031 0.5264 -0.39900 2008 4 26 54582 0.0060 0.5274 -0.39949 2008 4 27 54583 0.0090 0.5284 -0.40006 2008 4 28 54584 0.0119 0.5294 -0.40077 2008 4 29 54585 0.0149 0.5303 -0.40167 2008 4 30 54586 0.0178 0.5311 -0.40282 2008 5 1 54587 0.0208 0.5319 -0.40420 2008 5 2 54588 0.0238 0.5327 -0.40576 2008 5 3 54589 0.0268 0.5334 -0.40739 2008 5 4 54590 0.0298 0.5341 -0.40893 2008 5 5 54591 0.0329 0.5347 -0.41026 2008 5 6 54592 0.0359 0.5353 -0.41129 2008 5 7 54593 0.0390 0.5358 -0.41203 2008 5 8 54594 0.0420 0.5363 -0.41257 2008 5 9 54595 0.0451 0.5367 -0.41307 2008 5 10 54596 0.0482 0.5371 -0.41366 2008 5 11 54597 0.0513 0.5374 -0.41442 2008 5 12 54598 0.0544 0.5377 -0.41537 2008 5 13 54599 0.0575 0.5379 -0.41647 2008 5 14 54600 0.0605 0.5381 -0.41764 2008 5 15 54601 0.0636 0.5383 -0.41880 2008 5 16 54602 0.0667 0.5384 -0.41987 2008 5 17 54603 0.0698 0.5384 -0.42080 2008 5 18 54604 0.0730 0.5384 -0.42154 2008 5 19 54605 0.0761 0.5384 -0.42207 2008 5 20 54606 0.0792 0.5383 -0.42241 2008 5 21 54607 0.0823 0.5382 -0.42260 2008 5 22 54608 0.0854 0.5380 -0.42269 2008 5 23 54609 0.0884 0.5377 -0.42275 2008 5 24 54610 0.0915 0.5374 -0.42287 2008 5 25 54611 0.0946 0.5371 -0.42309 2008 5 26 54612 0.0977 0.5367 -0.42349 2008 5 27 54613 0.1008 0.5363 -0.42409 2008 5 28 54614 0.1038 0.5358 -0.42489 2008 5 29 54615 0.1069 0.5353 -0.42587 2008 5 30 54616 0.1099 0.5347 -0.42695 2008 5 31 54617 0.1130 0.5341 -0.42800 2008 6 1 54618 0.1160 0.5335 -0.42891 2008 6 2 54619 0.1190 0.5328 -0.42955 2008 6 3 54620 0.1220 0.5320 -0.42992 2008 6 4 54621 0.1250 0.5312 -0.43005 2008 6 5 54622 0.1280 0.5304 -0.43007 2008 6 6 54623 0.1309 0.5295 -0.43014 2008 6 7 54624 0.1339 0.5285 -0.43036 2008 6 8 54625 0.1368 0.5275 -0.43078 2008 6 9 54626 0.1397 0.5265 -0.43138 2008 6 10 54627 0.1426 0.5254 -0.43207 2008 6 11 54628 0.1455 0.5243 -0.43275 2008 6 12 54629 0.1483 0.5231 -0.43335 2008 6 13 54630 0.1511 0.5219 -0.43380 2008 6 14 54631 0.1540 0.5207 -0.43407 2008 6 15 54632 0.1568 0.5194 -0.43412 2008 6 16 54633 0.1595 0.5181 -0.43399 2008 6 17 54634 0.1623 0.5167 -0.43369 2008 6 18 54635 0.1650 0.5153 -0.43328 2008 6 19 54636 0.1677 0.5138 -0.43283 2008 6 20 54637 0.1704 0.5123 -0.43242 2008 6 21 54638 0.1730 0.5107 -0.43212 2008 6 22 54639 0.1756 0.5091 -0.43198 2008 6 23 54640 0.1782 0.5075 -0.43203 2008 6 24 54641 0.1808 0.5058 -0.43228 2008 6 25 54642 0.1833 0.5041 -0.43270 2008 6 26 54643 0.1858 0.5024 -0.43322 2008 6 27 54644 0.1883 0.5006 -0.43375 2008 6 28 54645 0.1907 0.4988 -0.43418 2008 6 29 54646 0.1932 0.4969 -0.43442 2008 6 30 54647 0.1955 0.4950 -0.43440 2008 7 1 54648 0.1979 0.4931 -0.43415 2008 7 2 54649 0.2002 0.4911 -0.43376 2008 7 3 54650 0.2025 0.4891 -0.43338 2008 7 4 54651 0.2047 0.4871 -0.43314 2008 7 5 54652 0.2069 0.4850 -0.43312 2008 7 6 54653 0.2091 0.4829 -0.43332 2008 7 7 54654 0.2113 0.4807 -0.43368 2008 7 8 54655 0.2134 0.4786 -0.43409 2008 7 9 54656 0.2154 0.4763 -0.43444 2008 7 10 54657 0.2175 0.4741 -0.43465 2008 7 11 54658 0.2195 0.4718 -0.43467 2008 7 12 54659 0.2214 0.4695 -0.43450 2008 7 13 54660 0.2233 0.4672 -0.43412 2008 7 14 54661 0.2252 0.4648 -0.43358 2008 7 15 54662 0.2270 0.4624 -0.43293 2008 7 16 54663 0.2288 0.4600 -0.43222 2008 7 17 54664 0.2306 0.4576 -0.43153 2008 7 18 54665 0.2323 0.4551 -0.43094 2008 7 19 54666 0.2339 0.4526 -0.43051 2008 7 20 54667 0.2356 0.4501 -0.43027 2008 7 21 54668 0.2371 0.4475 -0.43023 2008 7 22 54669 0.2387 0.4449 -0.43036 2008 7 23 54670 0.2402 0.4423 -0.43058 2008 7 24 54671 0.2416 0.4397 -0.43079 2008 7 25 54672 0.2430 0.4371 -0.43091 2008 7 26 54673 0.2444 0.4344 -0.43081 2008 7 27 54674 0.2457 0.4317 -0.43046 2008 7 28 54675 0.2470 0.4290 -0.42985 2008 7 29 54676 0.2482 0.4263 -0.42906 2008 7 30 54677 0.2494 0.4236 -0.42821 2008 7 31 54678 0.2505 0.4208 -0.42743 2008 8 1 54679 0.2516 0.4180 -0.42687 2008 8 2 54680 0.2526 0.4152 -0.42656 2008 8 3 54681 0.2536 0.4124 -0.42649 2008 8 4 54682 0.2545 0.4096 -0.42656 2008 8 5 54683 0.2554 0.4067 -0.42668 2008 8 6 54684 0.2563 0.4039 -0.42673 2008 8 7 54685 0.2571 0.4010 -0.42664 2008 8 8 54686 0.2578 0.3981 -0.42639 2008 8 9 54687 0.2585 0.3953 -0.42598 2008 8 10 54688 0.2592 0.3924 -0.42545 2008 8 11 54689 0.2598 0.3894 -0.42485 2008 8 12 54690 0.2603 0.3865 -0.42423 2008 8 13 54691 0.2608 0.3836 -0.42366 2008 8 14 54692 0.2613 0.3807 -0.42322 2008 8 15 54693 0.2617 0.3777 -0.42296 2008 8 16 54694 0.2620 0.3748 -0.42293 2008 8 17 54695 0.2623 0.3718 -0.42316 2008 8 18 54696 0.2626 0.3689 -0.42364 2008 8 19 54697 0.2628 0.3659 -0.42429 2008 8 20 54698 0.2629 0.3629 -0.42504 2008 8 21 54699 0.2630 0.3600 -0.42575 2008 8 22 54700 0.2631 0.3570 -0.42634 2008 8 23 54701 0.2631 0.3541 -0.42673 2008 8 24 54702 0.2630 0.3511 -0.42693 2008 8 25 54703 0.2629 0.3481 -0.42699 2008 8 26 54704 0.2627 0.3452 -0.42701 2008 8 27 54705 0.2625 0.3422 -0.42712 2008 8 28 54706 0.2623 0.3392 -0.42745 2008 8 29 54707 0.2620 0.3363 -0.42806 2008 8 30 54708 0.2616 0.3333 -0.42894 2008 8 31 54709 0.2612 0.3304 -0.43003 2008 9 1 54710 0.2608 0.3275 -0.43124 2008 9 2 54711 0.2603 0.3245 -0.43242 2008 9 3 54712 0.2597 0.3216 -0.43346 2008 9 4 54713 0.2591 0.3187 -0.43432 2008 9 5 54714 0.2585 0.3158 -0.43503 2008 9 6 54715 0.2578 0.3129 -0.43554 2008 9 7 54716 0.2570 0.3100 -0.43587 2008 9 8 54717 0.2563 0.3072 -0.43611 2008 9 9 54718 0.2554 0.3043 -0.43630 2008 9 10 54719 0.2545 0.3015 -0.43655 2008 9 11 54720 0.2536 0.2987 -0.43690 2008 9 12 54721 0.2526 0.2958 -0.43746 2008 9 13 54722 0.2516 0.2930 -0.43828 2008 9 14 54723 0.2505 0.2903 -0.43934 2008 9 15 54724 0.2493 0.2875 -0.44057 2008 9 16 54725 0.2482 0.2848 -0.44188 2008 9 17 54726 0.2470 0.2820 -0.44317 2008 9 18 54727 0.2457 0.2793 -0.44430 2008 9 19 54728 0.2444 0.2766 -0.44518 2008 9 20 54729 0.2430 0.2740 -0.44585 2008 9 21 54730 0.2416 0.2713 -0.44634 2008 9 22 54731 0.2402 0.2687 -0.44676 2008 9 23 54732 0.2387 0.2661 -0.44724 2008 9 24 54733 0.2371 0.2635 -0.44782 2008 9 25 54734 0.2356 0.2610 -0.44857 2008 9 26 54735 0.2340 0.2585 -0.44955 2008 9 27 54736 0.2323 0.2560 -0.45078 2008 9 28 54737 0.2306 0.2535 -0.45217 2008 9 29 54738 0.2288 0.2510 -0.45363 2008 9 30 54739 0.2271 0.2486 -0.45499 2008 10 1 54740 0.2252 0.2462 -0.45614 2008 10 2 54741 0.2234 0.2439 -0.45712 2008 10 3 54742 0.2215 0.2415 -0.45798 2008 10 4 54743 0.2195 0.2392 -0.45875 2008 10 5 54744 0.2175 0.2369 -0.45944 2008 10 6 54745 0.2155 0.2347 -0.46008 2008 10 7 54746 0.2134 0.2325 -0.46075 2008 10 8 54747 0.2114 0.2303 -0.46152 2008 10 9 54748 0.2092 0.2282 -0.46247 2008 10 10 54749 0.2071 0.2261 -0.46366 2008 10 11 54750 0.2049 0.2240 -0.46508 2008 10 12 54751 0.2026 0.2219 -0.46665 2008 10 13 54752 0.2003 0.2199 -0.46836 2008 10 14 54753 0.1980 0.2180 -0.47021 2008 10 15 54754 0.1957 0.2160 -0.47216 2008 10 16 54755 0.1933 0.2141 -0.47393 2008 10 17 54756 0.1909 0.2123 -0.47544 2008 10 18 54757 0.1885 0.2104 -0.47673 2008 10 19 54758 0.1860 0.2086 -0.47784 2008 10 20 54759 0.1836 0.2069 -0.47898 2008 10 21 54760 0.1810 0.2052 -0.48026 2008 10 22 54761 0.1785 0.2035 -0.48172 2008 10 23 54762 0.1759 0.2019 -0.48335 2008 10 24 54763 0.1733 0.2003 -0.48503 2008 10 25 54764 0.1707 0.1987 -0.48673 2008 10 26 54765 0.1680 0.1972 -0.48841 2008 10 27 54766 0.1654 0.1958 -0.48998 2008 10 28 54767 0.1627 0.1943 -0.49135 2008 10 29 54768 0.1599 0.1930 -0.49254 2008 10 30 54769 0.1572 0.1916 -0.49357 2008 10 31 54770 0.1544 0.1903 -0.49444 2008 11 1 54771 0.1516 0.1891 -0.49515 2008 11 2 54772 0.1488 0.1879 -0.49577 2008 11 3 54773 0.1460 0.1867 -0.49633 2008 11 4 54774 0.1431 0.1856 -0.49695 2008 11 5 54775 0.1403 0.1845 -0.49769 2008 11 6 54776 0.1374 0.1835 -0.49859 2008 11 7 54777 0.1345 0.1825 -0.49969 2008 11 8 54778 0.1316 0.1816 -0.50094 2008 11 9 54779 0.1287 0.1807 -0.50236 2008 11 10 54780 0.1257 0.1798 -0.50386 2008 11 11 54781 0.1228 0.1790 -0.50539 2008 11 12 54782 0.1198 0.1782 -0.50681 2008 11 13 54783 0.1168 0.1775 -0.50799 2008 11 14 54784 0.1138 0.1769 -0.50893 2008 11 15 54785 0.1108 0.1763 -0.50973 2008 11 16 54786 0.1078 0.1757 -0.51051 2008 11 17 54787 0.1048 0.1752 -0.51138 2008 11 18 54788 0.1017 0.1747 -0.51243 2008 11 19 54789 0.0987 0.1743 -0.51366 2008 11 20 54790 0.0957 0.1739 -0.51506 2008 11 21 54791 0.0926 0.1736 -0.51658 2008 11 22 54792 0.0896 0.1733 -0.51811 2008 11 23 54793 0.0865 0.1730 -0.51966 2008 11 24 54794 0.0835 0.1728 -0.52115 2008 11 25 54795 0.0804 0.1727 -0.52250 2008 11 26 54796 0.0773 0.1726 -0.52366 2008 11 27 54797 0.0743 0.1726 -0.52460 2008 11 28 54798 0.0712 0.1726 -0.52528 2008 11 29 54799 0.0682 0.1726 -0.52580 2008 11 30 54800 0.0651 0.1727 -0.52623 2008 12 1 54801 0.0620 0.1728 -0.52664 2008 12 2 54802 0.0590 0.1730 -0.52708 2008 12 3 54803 0.0560 0.1733 -0.52759 2008 12 4 54804 0.0529 0.1736 -0.52818 2008 12 5 54805 0.0499 0.1739 -0.52895 2008 12 6 54806 0.0468 0.1743 -0.52992 2008 12 7 54807 0.0438 0.1747 -0.53100 2008 12 8 54808 0.0408 0.1752 -0.53208 2008 12 9 54809 0.0378 0.1757 -0.53309 2008 12 10 54810 0.0348 0.1763 -0.53396 2008 12 11 54811 0.0318 0.1769 -0.53460 2008 12 12 54812 0.0289 0.1776 -0.53503 2008 12 13 54813 0.0259 0.1783 -0.53539 2008 12 14 54814 0.0230 0.1790 -0.53586 2008 12 15 54815 0.0200 0.1798 -0.53650 2008 12 16 54816 0.0171 0.1807 -0.53727 2008 12 17 54817 0.0142 0.1816 -0.53819 2008 12 18 54818 0.0113 0.1825 -0.53921 2008 12 19 54819 0.0085 0.1835 -0.54016 2008 12 20 54820 0.0056 0.1845 -0.54098 2008 12 21 54821 0.0028 0.1856 -0.54168 2008 12 22 54822 -0.0000 0.1867 -0.54225 2008 12 23 54823 -0.0028 0.1879 -0.54265 2008 12 24 54824 -0.0056 0.1891 -0.54288 2008 12 25 54825 -0.0083 0.1904 -0.54297 2008 12 26 54826 -0.0110 0.1916 -0.54297 2008 12 27 54827 -0.0137 0.1930 -0.54295 2008 12 28 54828 -0.0164 0.1944 -0.54293 2008 12 29 54829 -0.0191 0.1958 -0.54293 2008 12 30 54830 -0.0217 0.1972 -0.54305 2008 12 31 54831 -0.0243 0.1987 -0.54332 2009 1 1 54832 -0.0269 0.2003 -0.54374 2009 1 2 54833 -0.0294 0.2019 -0.54432 2009 1 3 54834 -0.0320 0.2035 -0.54500 2009 1 4 54835 -0.0344 0.2051 -0.54575 2009 1 5 54836 -0.0369 0.2068 -0.54649 2009 1 6 54837 -0.0393 0.2086 -0.54712 2009 1 7 54838 -0.0417 0.2104 -0.54758 2009 1 8 54839 -0.0441 0.2122 -0.54781 2009 1 9 54840 -0.0465 0.2140 -0.54788 2009 1 10 54841 -0.0488 0.2159 -0.54786 2009 1 11 54842 -0.0510 0.2178 -0.54796 2009 1 12 54843 -0.0533 0.2198 -0.54831 2009 1 13 54844 -0.0555 0.2218 -0.54892 2009 1 14 54845 -0.0577 0.2238 -0.54978 2009 1 15 54846 -0.0598 0.2259 -0.55073 2009 1 16 54847 -0.0619 0.2280 -0.55175 2009 1 17 54848 -0.0640 0.2301 -0.55278 2009 1 18 54849 -0.0660 0.2323 -0.55374 2009 1 19 54850 -0.0680 0.2345 -0.55460 2009 1 20 54851 -0.0699 0.2367 -0.55531 2009 1 21 54852 -0.0718 0.2389 -0.55592 2009 1 22 54853 -0.0737 0.2412 -0.55645 2009 1 23 54854 -0.0756 0.2435 -0.55693 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.