********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 30 August 2007 Vol. XX No. 035 ______________________________________________________________________ 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 8 24 54336 .20660 .00009 .27735 .00009 -.162636 .000013 7 8 25 54337 .20470 .00009 .27498 .00010 -.162186 .000012 7 8 26 54338 .20298 .00009 .27257 .00010 -.161904 .000015 7 8 27 54339 .20179 .00009 .27040 .00010 -.161906 .000013 7 8 28 54340 .20091 .00009 .26860 .00010 -.162235 .000013 7 8 29 54341 .20007 .00009 .26701 .00009 -.162853 .000048 7 8 30 54342 .19941 .00009 .26548 .00010 -.163724 .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 = .0517 + .0734 cos A + .0320 sin A + .0722 cos C - .1065 sin C y = .3479 + .0284 cos A - .0700 sin A - .1065 cos C - .0722 sin C UT1-UTC = -.1873 - .00094 (MJD - 54347) - (UT2-UT1) where A = 2*pi*(MJD-54342)/365.25 and C = 2*pi*(MJD-54342)/435. TAI-UTC(MJD 54343) = 33.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-54342)**0.80 S t = 0.00025 (MJD-54342)**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 8 31 54343 0.1982 0.2639 -0.16471 2007 9 1 54344 0.1971 0.2623 -0.16561 2007 9 2 54345 0.1957 0.2605 -0.16627 2007 9 3 54346 0.1941 0.2586 -0.16663 2007 9 4 54347 0.1925 0.2567 -0.16675 2007 9 5 54348 0.1908 0.2548 -0.16670 2007 9 6 54349 0.1892 0.2530 -0.16663 2007 9 7 54350 0.1875 0.2511 -0.16661 2007 9 8 54351 0.1858 0.2493 -0.16669 2007 9 9 54352 0.1841 0.2475 -0.16696 2007 9 10 54353 0.1823 0.2456 -0.16742 2007 9 11 54354 0.1804 0.2438 -0.16805 2007 9 12 54355 0.1785 0.2420 -0.16881 2007 9 13 54356 0.1765 0.2402 -0.16958 2007 9 14 54357 0.1746 0.2384 -0.17028 2007 9 15 54358 0.1725 0.2367 -0.17084 2007 9 16 54359 0.1705 0.2350 -0.17126 2007 9 17 54360 0.1684 0.2333 -0.17153 2007 9 18 54361 0.1662 0.2316 -0.17169 2007 9 19 54362 0.1641 0.2300 -0.17178 2007 9 20 54363 0.1619 0.2284 -0.17188 2007 9 21 54364 0.1597 0.2268 -0.17206 2007 9 22 54365 0.1574 0.2252 -0.17241 2007 9 23 54366 0.1551 0.2237 -0.17300 2007 9 24 54367 0.1528 0.2222 -0.17392 2007 9 25 54368 0.1504 0.2208 -0.17515 2007 9 26 54369 0.1481 0.2193 -0.17665 2007 9 27 54370 0.1457 0.2179 -0.17828 2007 9 28 54371 0.1432 0.2166 -0.17985 2007 9 29 54372 0.1408 0.2153 -0.18121 2007 9 30 54373 0.1383 0.2140 -0.18227 2007 10 1 54374 0.1358 0.2127 -0.18304 2007 10 2 54375 0.1333 0.2115 -0.18362 2007 10 3 54376 0.1307 0.2104 -0.18413 2007 10 4 54377 0.1282 0.2092 -0.18472 2007 10 5 54378 0.1256 0.2081 -0.18548 2007 10 6 54379 0.1230 0.2071 -0.18645 2007 10 7 54380 0.1203 0.2061 -0.18764 2007 10 8 54381 0.1177 0.2051 -0.18900 2007 10 9 54382 0.1150 0.2042 -0.19047 2007 10 10 54383 0.1123 0.2033 -0.19196 2007 10 11 54384 0.1096 0.2024 -0.19340 2007 10 12 54385 0.1069 0.2016 -0.19473 2007 10 13 54386 0.1042 0.2008 -0.19591 2007 10 14 54387 0.1014 0.2001 -0.19691 2007 10 15 54388 0.0986 0.1994 -0.19776 2007 10 16 54389 0.0958 0.1987 -0.19849 2007 10 17 54390 0.0931 0.1981 -0.19917 2007 10 18 54391 0.0902 0.1976 -0.19987 2007 10 19 54392 0.0874 0.1970 -0.20067 2007 10 20 54393 0.0846 0.1966 -0.20166 2007 10 21 54394 0.0818 0.1961 -0.20291 2007 10 22 54395 0.0789 0.1957 -0.20448 2007 10 23 54396 0.0761 0.1954 -0.20632 2007 10 24 54397 0.0732 0.1951 -0.20836 2007 10 25 54398 0.0703 0.1948 -0.21043 2007 10 26 54399 0.0674 0.1946 -0.21236 2007 10 27 54400 0.0646 0.1944 -0.21401 2007 10 28 54401 0.0617 0.1943 -0.21534 2007 10 29 54402 0.0588 0.1942 -0.21641 2007 10 30 54403 0.0559 0.1942 -0.21735 2007 10 31 54404 0.0530 0.1942 -0.21829 2007 11 1 54405 0.0501 0.1942 -0.21937 2007 11 2 54406 0.0472 0.1943 -0.22063 2007 11 3 54407 0.0443 0.1944 -0.22207 2007 11 4 54408 0.0414 0.1946 -0.22365 2007 11 5 54409 0.0385 0.1948 -0.22531 2007 11 6 54410 0.0356 0.1951 -0.22699 2007 11 7 54411 0.0327 0.1954 -0.22860 2007 11 8 54412 0.0298 0.1957 -0.23010 2007 11 9 54413 0.0269 0.1961 -0.23142 2007 11 10 54414 0.0240 0.1966 -0.23257 2007 11 11 54415 0.0212 0.1971 -0.23353 2007 11 12 54416 0.0183 0.1976 -0.23435 2007 11 13 54417 0.0154 0.1982 -0.23509 2007 11 14 54418 0.0126 0.1988 -0.23582 2007 11 15 54419 0.0097 0.1994 -0.23662 2007 11 16 54420 0.0069 0.2001 -0.23757 2007 11 17 54421 0.0041 0.2009 -0.23873 2007 11 18 54422 0.0013 0.2017 -0.24015 2007 11 19 54423 -0.0015 0.2025 -0.24182 2007 11 20 54424 -0.0043 0.2034 -0.24370 2007 11 21 54425 -0.0071 0.2043 -0.24565 2007 11 22 54426 -0.0099 0.2052 -0.24752 2007 11 23 54427 -0.0126 0.2062 -0.24918 2007 11 24 54428 -0.0154 0.2073 -0.25052 2007 11 25 54429 -0.0181 0.2083 -0.25157 2007 11 26 54430 -0.0208 0.2095 -0.25239 2007 11 27 54431 -0.0234 0.2106 -0.25316 2007 11 28 54432 -0.0261 0.2118 -0.25399 2007 11 29 54433 -0.0288 0.2131 -0.25499 2007 11 30 54434 -0.0314 0.2144 -0.25617 2007 12 1 54435 -0.0340 0.2157 -0.25749 2007 12 2 54436 -0.0366 0.2171 -0.25889 2007 12 3 54437 -0.0391 0.2185 -0.26031 2007 12 4 54438 -0.0417 0.2199 -0.26165 2007 12 5 54439 -0.0442 0.2214 -0.26288 2007 12 6 54440 -0.0467 0.2229 -0.26393 2007 12 7 54441 -0.0491 0.2245 -0.26480 2007 12 8 54442 -0.0516 0.2261 -0.26547 2007 12 9 54443 -0.0540 0.2277 -0.26599 2007 12 10 54444 -0.0564 0.2294 -0.26641 2007 12 11 54445 -0.0587 0.2311 -0.26678 2007 12 12 54446 -0.0611 0.2328 -0.26720 2007 12 13 54447 -0.0634 0.2346 -0.26774 2007 12 14 54448 -0.0657 0.2364 -0.26850 2007 12 15 54449 -0.0679 0.2383 -0.26948 2007 12 16 54450 -0.0701 0.2401 -0.27070 2007 12 17 54451 -0.0723 0.2421 -0.27211 2007 12 18 54452 -0.0745 0.2440 -0.27361 2007 12 19 54453 -0.0766 0.2460 -0.27510 2007 12 20 54454 -0.0787 0.2480 -0.27644 2007 12 21 54455 -0.0808 0.2500 -0.27753 2007 12 22 54456 -0.0828 0.2521 -0.27835 2007 12 23 54457 -0.0848 0.2542 -0.27895 2007 12 24 54458 -0.0867 0.2564 -0.27945 2007 12 25 54459 -0.0887 0.2585 -0.27999 2007 12 26 54460 -0.0905 0.2607 -0.28068 2007 12 27 54461 -0.0924 0.2630 -0.28158 2007 12 28 54462 -0.0942 0.2652 -0.28268 2007 12 29 54463 -0.0960 0.2675 -0.28391 2007 12 30 54464 -0.0977 0.2698 -0.28518 2007 12 31 54465 -0.0994 0.2721 -0.28641 2008 1 1 54466 -0.1011 0.2745 -0.28753 2008 1 2 54467 -0.1027 0.2769 -0.28850 2008 1 3 54468 -0.1043 0.2793 -0.28930 2008 1 4 54469 -0.1058 0.2817 -0.28992 2008 1 5 54470 -0.1073 0.2842 -0.29039 2008 1 6 54471 -0.1087 0.2867 -0.29074 2008 1 7 54472 -0.1102 0.2892 -0.29106 2008 1 8 54473 -0.1115 0.2917 -0.29142 2008 1 9 54474 -0.1129 0.2942 -0.29191 2008 1 10 54475 -0.1141 0.2968 -0.29259 2008 1 11 54476 -0.1154 0.2994 -0.29351 2008 1 12 54477 -0.1166 0.3020 -0.29467 2008 1 13 54478 -0.1177 0.3046 -0.29602 2008 1 14 54479 -0.1189 0.3073 -0.29749 2008 1 15 54480 -0.1199 0.3099 -0.29894 2008 1 16 54481 -0.1210 0.3126 -0.30028 2008 1 17 54482 -0.1219 0.3153 -0.30140 2008 1 18 54483 -0.1229 0.3180 -0.30226 2008 1 19 54484 -0.1238 0.3207 -0.30291 2008 1 20 54485 -0.1246 0.3234 -0.30342 2008 1 21 54486 -0.1254 0.3262 -0.30395 2008 1 22 54487 -0.1261 0.3289 -0.30460 2008 1 23 54488 -0.1268 0.3317 -0.30547 2008 1 24 54489 -0.1275 0.3345 -0.30656 2008 1 25 54490 -0.1281 0.3373 -0.30784 2008 1 26 54491 -0.1287 0.3401 -0.30921 2008 1 27 54492 -0.1292 0.3429 -0.31058 2008 1 28 54493 -0.1296 0.3457 -0.31186 2008 1 29 54494 -0.1301 0.3485 -0.31300 2008 1 30 54495 -0.1304 0.3514 -0.31397 2008 1 31 54496 -0.1308 0.3542 -0.31475 2008 2 1 54497 -0.1310 0.3570 -0.31538 2008 2 2 54498 -0.1313 0.3599 -0.31588 2008 2 3 54499 -0.1314 0.3627 -0.31632 2008 2 4 54500 -0.1316 0.3656 -0.31679 2008 2 5 54501 -0.1316 0.3684 -0.31736 2008 2 6 54502 -0.1317 0.3713 -0.31812 2008 2 7 54503 -0.1317 0.3741 -0.31913 2008 2 8 54504 -0.1316 0.3770 -0.32040 2008 2 9 54505 -0.1315 0.3798 -0.32191 2008 2 10 54506 -0.1313 0.3827 -0.32357 2008 2 11 54507 -0.1311 0.3855 -0.32524 2008 2 12 54508 -0.1309 0.3884 -0.32680 2008 2 13 54509 -0.1305 0.3912 -0.32815 2008 2 14 54510 -0.1302 0.3941 -0.32924 2008 2 15 54511 -0.1298 0.3969 -0.33009 2008 2 16 54512 -0.1293 0.3997 -0.33079 2008 2 17 54513 -0.1288 0.4026 -0.33146 2008 2 18 54514 -0.1283 0.4054 -0.33222 2008 2 19 54515 -0.1277 0.4082 -0.33318 2008 2 20 54516 -0.1270 0.4110 -0.33437 2008 2 21 54517 -0.1264 0.4138 -0.33576 2008 2 22 54518 -0.1256 0.4165 -0.33730 2008 2 23 54519 -0.1248 0.4193 -0.33887 2008 2 24 54520 -0.1240 0.4221 -0.34040 2008 2 25 54521 -0.1231 0.4248 -0.34179 2008 2 26 54522 -0.1222 0.4275 -0.34300 2008 2 27 54523 -0.1212 0.4302 -0.34400 2008 2 28 54524 -0.1202 0.4329 -0.34481 2008 2 29 54525 -0.1191 0.4356 -0.34545 2008 3 1 54526 -0.1180 0.4383 -0.34598 2008 3 2 54527 -0.1169 0.4409 -0.34645 2008 3 3 54528 -0.1156 0.4436 -0.34695 2008 3 4 54529 -0.1144 0.4462 -0.34755 2008 3 5 54530 -0.1131 0.4488 -0.34833 2008 3 6 54531 -0.1118 0.4514 -0.34933 2008 3 7 54532 -0.1104 0.4539 -0.35057 2008 3 8 54533 -0.1090 0.4565 -0.35196 2008 3 9 54534 -0.1075 0.4590 -0.35341 2008 3 10 54535 -0.1060 0.4615 -0.35478 2008 3 11 54536 -0.1044 0.4639 -0.35593 2008 3 12 54537 -0.1028 0.4664 -0.35680 2008 3 13 54538 -0.1012 0.4688 -0.35741 2008 3 14 54539 -0.0995 0.4712 -0.35784 2008 3 15 54540 -0.0978 0.4736 -0.35822 2008 3 16 54541 -0.0960 0.4759 -0.35867 2008 3 17 54542 -0.0942 0.4782 -0.35929 2008 3 18 54543 -0.0924 0.4805 -0.36014 2008 3 19 54544 -0.0905 0.4828 -0.36123 2008 3 20 54545 -0.0886 0.4850 -0.36250 2008 3 21 54546 -0.0866 0.4872 -0.36389 2008 3 22 54547 -0.0846 0.4894 -0.36531 2008 3 23 54548 -0.0826 0.4916 -0.36670 2008 3 24 54549 -0.0805 0.4937 -0.36801 2008 3 25 54550 -0.0784 0.4958 -0.36923 2008 3 26 54551 -0.0763 0.4978 -0.37038 2008 3 27 54552 -0.0741 0.4998 -0.37146 2008 3 28 54553 -0.0719 0.5018 -0.37250 2008 3 29 54554 -0.0696 0.5038 -0.37354 2008 3 30 54555 -0.0673 0.5057 -0.37464 2008 3 31 54556 -0.0650 0.5076 -0.37588 2008 4 1 54557 -0.0627 0.5094 -0.37732 2008 4 2 54558 -0.0603 0.5112 -0.37902 2008 4 3 54559 -0.0579 0.5130 -0.38101 2008 4 4 54560 -0.0555 0.5148 -0.38326 2008 4 5 54561 -0.0530 0.5165 -0.38569 2008 4 6 54562 -0.0505 0.5181 -0.38814 2008 4 7 54563 -0.0480 0.5198 -0.39044 2008 4 8 54564 -0.0454 0.5213 -0.39250 2008 4 9 54565 -0.0428 0.5229 -0.39427 2008 4 10 54566 -0.0402 0.5244 -0.39578 2008 4 11 54567 -0.0376 0.5259 -0.39720 2008 4 12 54568 -0.0349 0.5273 -0.39863 2008 4 13 54569 -0.0322 0.5287 -0.40013 2008 4 14 54570 -0.0295 0.5301 -0.40182 2008 4 15 54571 -0.0268 0.5314 -0.40367 2008 4 16 54572 -0.0240 0.5326 -0.40561 2008 4 17 54573 -0.0213 0.5339 -0.40759 2008 4 18 54574 -0.0185 0.5351 -0.40959 2008 4 19 54575 -0.0157 0.5362 -0.41150 2008 4 20 54576 -0.0128 0.5373 -0.41322 2008 4 21 54577 -0.0100 0.5384 -0.41476 2008 4 22 54578 -0.0071 0.5394 -0.41616 2008 4 23 54579 -0.0042 0.5404 -0.41730 2008 4 24 54580 -0.0013 0.5413 -0.41829 2008 4 25 54581 0.0016 0.5422 -0.41919 2008 4 26 54582 0.0046 0.5430 -0.42006 2008 4 27 54583 0.0075 0.5438 -0.42091 2008 4 28 54584 0.0105 0.5445 -0.42190 2008 4 29 54585 0.0135 0.5453 -0.42303 2008 4 30 54586 0.0165 0.5459 -0.42434 2008 5 1 54587 0.0195 0.5465 -0.42586 2008 5 2 54588 0.0225 0.5471 -0.42754 2008 5 3 54589 0.0255 0.5476 -0.42927 2008 5 4 54590 0.0286 0.5481 -0.43089 2008 5 5 54591 0.0316 0.5485 -0.43237 2008 5 6 54592 0.0347 0.5489 -0.43358 2008 5 7 54593 0.0377 0.5492 -0.43455 2008 5 8 54594 0.0408 0.5495 -0.43534 2008 5 9 54595 0.0438 0.5498 -0.43609 2008 5 10 54596 0.0469 0.5500 -0.43691 2008 5 11 54597 0.0500 0.5501 -0.43780 2008 5 12 54598 0.0531 0.5502 -0.43884 2008 5 13 54599 0.0561 0.5503 -0.44002 2008 5 14 54600 0.0592 0.5503 -0.44126 2008 5 15 54601 0.0623 0.5503 -0.44248 2008 5 16 54602 0.0654 0.5502 -0.44362 2008 5 17 54603 0.0685 0.5501 -0.44462 2008 5 18 54604 0.0715 0.5499 -0.44543 2008 5 19 54605 0.0746 0.5497 -0.44607 2008 5 20 54606 0.0777 0.5494 -0.44657 2008 5 21 54607 0.0808 0.5491 -0.44686 2008 5 22 54608 0.0838 0.5487 -0.44701 2008 5 23 54609 0.0869 0.5483 -0.44717 2008 5 24 54610 0.0899 0.5479 -0.44740 2008 5 25 54611 0.0930 0.5474 -0.44767 2008 5 26 54612 0.0960 0.5468 -0.44818 2008 5 27 54613 0.0990 0.5462 -0.44895 2008 5 28 54614 0.1020 0.5456 -0.44993 2008 5 29 54615 0.1050 0.5449 -0.45110 2008 5 30 54616 0.1080 0.5442 -0.45237 2008 5 31 54617 0.1110 0.5434 -0.45360 2008 6 1 54618 0.1139 0.5426 -0.45467 2008 6 2 54619 0.1169 0.5417 -0.45544 2008 6 3 54620 0.1198 0.5408 -0.45594 2008 6 4 54621 0.1227 0.5399 -0.45616 2008 6 5 54622 0.1256 0.5389 -0.45621 2008 6 6 54623 0.1285 0.5378 -0.45628 2008 6 7 54624 0.1314 0.5367 -0.45653 2008 6 8 54625 0.1342 0.5356 -0.45695 2008 6 9 54626 0.1370 0.5344 -0.45753 2008 6 10 54627 0.1399 0.5332 -0.45819 2008 6 11 54628 0.1426 0.5319 -0.45886 2008 6 12 54629 0.1454 0.5306 -0.45941 2008 6 13 54630 0.1481 0.5293 -0.45979 2008 6 14 54631 0.1509 0.5279 -0.45995 2008 6 15 54632 0.1536 0.5265 -0.45992 2008 6 16 54633 0.1562 0.5250 -0.45974 2008 6 17 54634 0.1589 0.5235 -0.45938 2008 6 18 54635 0.1615 0.5220 -0.45888 2008 6 19 54636 0.1641 0.5204 -0.45828 2008 6 20 54637 0.1666 0.5188 -0.45766 2008 6 21 54638 0.1692 0.5171 -0.45713 2008 6 22 54639 0.1717 0.5154 -0.45675 2008 6 23 54640 0.1742 0.5137 -0.45654 2008 6 24 54641 0.1766 0.5119 -0.45660 2008 6 25 54642 0.1790 0.5101 -0.45688 2008 6 26 54643 0.1814 0.5082 -0.45729 2008 6 27 54644 0.1838 0.5063 -0.45776 2008 6 28 54645 0.1861 0.5044 -0.45805 2008 6 29 54646 0.1884 0.5024 -0.45819 2008 6 30 54647 0.1906 0.5004 -0.45810 2008 7 1 54648 0.1928 0.4984 -0.45776 2008 7 2 54649 0.1950 0.4963 -0.45730 2008 7 3 54650 0.1972 0.4942 -0.45684 2008 7 4 54651 0.1993 0.4921 -0.45657 2008 7 5 54652 0.2014 0.4900 -0.45651 2008 7 6 54653 0.2034 0.4878 -0.45664 2008 7 7 54654 0.2054 0.4855 -0.45689 2008 7 8 54655 0.2074 0.4833 -0.45714 2008 7 9 54656 0.2093 0.4810 -0.45737 2008 7 10 54657 0.2112 0.4787 -0.45749 2008 7 11 54658 0.2130 0.4764 -0.45746 2008 7 12 54659 0.2148 0.4740 -0.45728 2008 7 13 54660 0.2166 0.4716 -0.45698 2008 7 14 54661 0.2183 0.4692 -0.45651 2008 7 15 54662 0.2200 0.4667 -0.45595 2008 7 16 54663 0.2216 0.4642 -0.45536 2008 7 17 54664 0.2232 0.4617 -0.45475 2008 7 18 54665 0.2248 0.4592 -0.45421 2008 7 19 54666 0.2263 0.4567 -0.45379 2008 7 20 54667 0.2277 0.4541 -0.45358 2008 7 21 54668 0.2292 0.4515 -0.45357 2008 7 22 54669 0.2305 0.4489 -0.45375 2008 7 23 54670 0.2319 0.4463 -0.45407 2008 7 24 54671 0.2332 0.4436 -0.45443 2008 7 25 54672 0.2344 0.4409 -0.45477 2008 7 26 54673 0.2356 0.4382 -0.45501 2008 7 27 54674 0.2367 0.4355 -0.45518 2008 7 28 54675 0.2378 0.4328 -0.45519 2008 7 29 54676 0.2389 0.4301 -0.45505 2008 7 30 54677 0.2399 0.4273 -0.45488 2008 7 31 54678 0.2408 0.4245 -0.45482 2008 8 1 54679 0.2418 0.4217 -0.45499 2008 8 2 54680 0.2426 0.4189 -0.45536 2008 8 3 54681 0.2434 0.4161 -0.45588 2008 8 4 54682 0.2442 0.4133 -0.45645 2008 8 5 54683 0.2449 0.4104 -0.45702 2008 8 6 54684 0.2456 0.4076 -0.45749 2008 8 7 54685 0.2462 0.4047 -0.45782 2008 8 8 54686 0.2468 0.4019 -0.45799 2008 8 9 54687 0.2473 0.3990 -0.45792 2008 8 10 54688 0.2477 0.3961 -0.45761 2008 8 11 54689 0.2482 0.3932 -0.45717 2008 8 12 54690 0.2485 0.3903 -0.45665 2008 8 13 54691 0.2489 0.3874 -0.45612 2008 8 14 54692 0.2491 0.3845 -0.45567 2008 8 15 54693 0.2493 0.3816 -0.45537 2008 8 16 54694 0.2495 0.3786 -0.45532 2008 8 17 54695 0.2496 0.3757 -0.45549 2008 8 18 54696 0.2497 0.3728 -0.45587 2008 8 19 54697 0.2497 0.3699 -0.45643 2008 8 20 54698 0.2497 0.3670 -0.45705 2008 8 21 54699 0.2496 0.3640 -0.45760 2008 8 22 54700 0.2495 0.3611 -0.45804 2008 8 23 54701 0.2493 0.3582 -0.45831 2008 8 24 54702 0.2491 0.3553 -0.45841 2008 8 25 54703 0.2488 0.3524 -0.45842 2008 8 26 54704 0.2484 0.3495 -0.45830 2008 8 27 54705 0.2481 0.3465 -0.45823 2008 8 28 54706 0.2476 0.3437 -0.45834 2008 8 29 54707 0.2471 0.3408 -0.45870 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) 54323 -66.74 .11 -7.13 .34 54324 -66.52 .11 -7.04 .34 54325 -66.34 .11 -6.77 .34 54326 -66.33 .11 -6.44 .34 54327 -66.57 .21 -6.20 .10 54328 -67.03 .21 -6.20 .10 54329 -67.58 .21 -6.39 .10 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 54323 -0.017 0.044 -0.475 0.340 54324 -0.007 0.044 -0.453 0.340 54325 -0.011 0.044 -0.432 0.340 54326 -0.027 0.044 -0.436 0.340 54327 -0.050 0.084 -0.429 0.100 54328 -0.068 0.084 -0.424 0.100 54329 -0.079 0.084 -0.416 0.100 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.