********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 8 November 2007 Vol. XX No. 045 ______________________________________________________________________ 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 2 54406 .04232 .00005 .19108 .00005 -.213891 .000006 7 11 3 54407 .04026 .00009 .19145 .00010 -.214742 .000006 7 11 4 54408 .03818 .00009 .19207 .00010 -.215731 .000007 7 11 5 54409 .03593 .00009 .19253 .00010 -.216747 .000007 7 11 6 54410 .03398 .00009 .19277 .00010 -.217785 .000037 7 11 7 54411 .03222 .00009 .19304 .00009 -.218848 .000048 7 11 8 54412 .03031 .00009 .19326 .00009 -.219899 .000057 IERS Final Values MJD x y UT1-UTC " " s 7 9 2 54345 .1967 .2599 -.16640 7 9 3 54346 .1953 .2578 -.16690 7 9 4 54347 .1941 .2559 -.16711 7 9 5 54348 .1926 .2538 -.16718 7 9 6 54349 .1906 .2519 -.16726 7 9 7 54350 .1885 .2498 -.16736 7 9 8 54351 .1869 .2477 -.16766 7 9 9 54352 .1856 .2460 -.16814 7 9 10 54353 .1843 .2444 -.16888 7 9 11 54354 .1829 .2426 -.16970 7 9 12 54355 .1811 .2405 -.17060 7 9 13 54356 .1792 .2385 -.17155 7 9 14 54357 .1774 .2364 -.17246 7 9 15 54358 .1751 .2343 -.17324 7 9 16 54359 .1724 .2323 -.17387 7 9 17 54360 .1696 .2303 -.17435 7 9 18 54361 .1673 .2286 -.17472 7 9 19 54362 .1652 .2267 -.17494 7 9 20 54363 .1631 .2248 -.17519 7 9 21 54364 .1605 .2230 -.17547 7 9 22 54365 .1576 .2211 -.17596 7 9 23 54366 .1548 .2196 -.17659 7 9 24 54367 .1518 .2180 -.17756 7 9 25 54368 .1490 .2163 -.17878 7 9 26 54369 .1466 .2149 -.18045 7 9 27 54370 .1441 .2130 -.18211 7 9 28 54371 .1415 .2112 -.18374 7 9 29 54372 .1387 .2095 -.18518 7 9 30 54373 .1361 .2078 -.18629 7 10 1 54374 .1336 .2065 -.18714 _______________________________________________________________________ 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 = .0581 + .0406 cos A - .0839 sin A - .0577 cos C - .0876 sin C y = .3581 - .0803 cos A - .0419 sin A - .0876 cos C + .0577 sin C UT1-UTC = -.2262 - .00091 (MJD - 54420) - (UT2-UT1) where A = 2*pi*(MJD-54412)/365.25 and C = 2*pi*(MJD-54412)/435. TAI-UTC(MJD 54413) = 33.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-54412)**0.80 S t = 0.00025 (MJD-54412)**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 9 54413 0.0282 0.1937 -0.22086 2007 11 10 54414 0.0260 0.1941 -0.22162 2007 11 11 54415 0.0236 0.1947 -0.22216 2007 11 12 54416 0.0210 0.1954 -0.22255 2007 11 13 54417 0.0185 0.1961 -0.22287 2007 11 14 54418 0.0159 0.1968 -0.22320 2007 11 15 54419 0.0133 0.1976 -0.22363 2007 11 16 54420 0.0108 0.1983 -0.22424 2007 11 17 54421 0.0082 0.1991 -0.22505 2007 11 18 54422 0.0056 0.2000 -0.22607 2007 11 19 54423 0.0030 0.2009 -0.22732 2007 11 20 54424 0.0003 0.2018 -0.22879 2007 11 21 54425 -0.0023 0.2028 -0.23033 2007 11 22 54426 -0.0050 0.2039 -0.23175 2007 11 23 54427 -0.0076 0.2049 -0.23293 2007 11 24 54428 -0.0103 0.2061 -0.23381 2007 11 25 54429 -0.0129 0.2072 -0.23440 2007 11 26 54430 -0.0155 0.2084 -0.23479 2007 11 27 54431 -0.0181 0.2097 -0.23513 2007 11 28 54432 -0.0207 0.2109 -0.23555 2007 11 29 54433 -0.0233 0.2123 -0.23614 2007 11 30 54434 -0.0259 0.2136 -0.23694 2007 12 1 54435 -0.0284 0.2150 -0.23791 2007 12 2 54436 -0.0309 0.2165 -0.23899 2007 12 3 54437 -0.0335 0.2180 -0.24009 2007 12 4 54438 -0.0359 0.2195 -0.24113 2007 12 5 54439 -0.0384 0.2210 -0.24206 2007 12 6 54440 -0.0409 0.2226 -0.24283 2007 12 7 54441 -0.0433 0.2243 -0.24342 2007 12 8 54442 -0.0457 0.2259 -0.24384 2007 12 9 54443 -0.0481 0.2276 -0.24413 2007 12 10 54444 -0.0504 0.2294 -0.24434 2007 12 11 54445 -0.0527 0.2312 -0.24454 2007 12 12 54446 -0.0550 0.2330 -0.24481 2007 12 13 54447 -0.0573 0.2348 -0.24521 2007 12 14 54448 -0.0596 0.2367 -0.24582 2007 12 15 54449 -0.0618 0.2386 -0.24666 2007 12 16 54450 -0.0639 0.2406 -0.24775 2007 12 17 54451 -0.0661 0.2426 -0.24903 2007 12 18 54452 -0.0682 0.2446 -0.25042 2007 12 19 54453 -0.0703 0.2466 -0.25179 2007 12 20 54454 -0.0724 0.2487 -0.25301 2007 12 21 54455 -0.0744 0.2508 -0.25399 2007 12 22 54456 -0.0764 0.2530 -0.25470 2007 12 23 54457 -0.0783 0.2552 -0.25519 2007 12 24 54458 -0.0802 0.2574 -0.25558 2007 12 25 54459 -0.0821 0.2596 -0.25600 2007 12 26 54460 -0.0840 0.2619 -0.25658 2007 12 27 54461 -0.0858 0.2641 -0.25734 2007 12 28 54462 -0.0875 0.2665 -0.25829 2007 12 29 54463 -0.0893 0.2688 -0.25936 2007 12 30 54464 -0.0910 0.2712 -0.26047 2007 12 31 54465 -0.0926 0.2736 -0.26154 2008 1 1 54466 -0.0942 0.2760 -0.26249 2008 1 2 54467 -0.0958 0.2784 -0.26328 2008 1 3 54468 -0.0974 0.2809 -0.26389 2008 1 4 54469 -0.0989 0.2834 -0.26432 2008 1 5 54470 -0.1003 0.2859 -0.26459 2008 1 6 54471 -0.1017 0.2884 -0.26476 2008 1 7 54472 -0.1031 0.2910 -0.26490 2008 1 8 54473 -0.1044 0.2936 -0.26508 2008 1 9 54474 -0.1057 0.2962 -0.26539 2008 1 10 54475 -0.1070 0.2988 -0.26590 2008 1 11 54476 -0.1082 0.3014 -0.26664 2008 1 12 54477 -0.1093 0.3041 -0.26762 2008 1 13 54478 -0.1105 0.3068 -0.26881 2008 1 14 54479 -0.1115 0.3094 -0.27010 2008 1 15 54480 -0.1126 0.3122 -0.27139 2008 1 16 54481 -0.1135 0.3149 -0.27256 2008 1 17 54482 -0.1145 0.3176 -0.27351 2008 1 18 54483 -0.1154 0.3204 -0.27422 2008 1 19 54484 -0.1162 0.3231 -0.27472 2008 1 20 54485 -0.1170 0.3259 -0.27510 2008 1 21 54486 -0.1178 0.3287 -0.27548 2008 1 22 54487 -0.1185 0.3315 -0.27601 2008 1 23 54488 -0.1192 0.3343 -0.27676 2008 1 24 54489 -0.1198 0.3371 -0.27775 2008 1 25 54490 -0.1203 0.3399 -0.27894 2008 1 26 54491 -0.1209 0.3428 -0.28022 2008 1 27 54492 -0.1213 0.3456 -0.28151 2008 1 28 54493 -0.1218 0.3485 -0.28273 2008 1 29 54494 -0.1221 0.3513 -0.28380 2008 1 30 54495 -0.1225 0.3542 -0.28471 2008 1 31 54496 -0.1227 0.3570 -0.28543 2008 2 1 54497 -0.1230 0.3599 -0.28599 2008 2 2 54498 -0.1232 0.3628 -0.28644 2008 2 3 54499 -0.1233 0.3656 -0.28683 2008 2 4 54500 -0.1234 0.3685 -0.28724 2008 2 5 54501 -0.1234 0.3714 -0.28776 2008 2 6 54502 -0.1234 0.3743 -0.28847 2008 2 7 54503 -0.1234 0.3772 -0.28943 2008 2 8 54504 -0.1233 0.3800 -0.29066 2008 2 9 54505 -0.1231 0.3829 -0.29214 2008 2 10 54506 -0.1229 0.3858 -0.29376 2008 2 11 54507 -0.1227 0.3887 -0.29541 2008 2 12 54508 -0.1224 0.3915 -0.29695 2008 2 13 54509 -0.1220 0.3944 -0.29828 2008 2 14 54510 -0.1216 0.3972 -0.29936 2008 2 15 54511 -0.1212 0.4001 -0.30022 2008 2 16 54512 -0.1207 0.4029 -0.30093 2008 2 17 54513 -0.1201 0.4057 -0.30163 2008 2 18 54514 -0.1196 0.4086 -0.30243 2008 2 19 54515 -0.1189 0.4114 -0.30343 2008 2 20 54516 -0.1182 0.4142 -0.30466 2008 2 21 54517 -0.1175 0.4170 -0.30611 2008 2 22 54518 -0.1167 0.4198 -0.30770 2008 2 23 54519 -0.1159 0.4225 -0.30935 2008 2 24 54520 -0.1150 0.4253 -0.31094 2008 2 25 54521 -0.1141 0.4280 -0.31231 2008 2 26 54522 -0.1131 0.4308 -0.31350 2008 2 27 54523 -0.1121 0.4335 -0.31452 2008 2 28 54524 -0.1111 0.4362 -0.31536 2008 2 29 54525 -0.1100 0.4389 -0.31606 2008 3 1 54526 -0.1088 0.4415 -0.31668 2008 3 2 54527 -0.1076 0.4442 -0.31730 2008 3 3 54528 -0.1064 0.4468 -0.31799 2008 3 4 54529 -0.1051 0.4494 -0.31885 2008 3 5 54530 -0.1037 0.4520 -0.31994 2008 3 6 54531 -0.1024 0.4546 -0.32131 2008 3 7 54532 -0.1010 0.4571 -0.32295 2008 3 8 54533 -0.0995 0.4597 -0.32480 2008 3 9 54534 -0.0980 0.4622 -0.32673 2008 3 10 54535 -0.0964 0.4646 -0.32860 2008 3 11 54536 -0.0948 0.4671 -0.33026 2008 3 12 54537 -0.0932 0.4695 -0.33165 2008 3 13 54538 -0.0915 0.4719 -0.33277 2008 3 14 54539 -0.0898 0.4743 -0.33370 2008 3 15 54540 -0.0880 0.4767 -0.33457 2008 3 16 54541 -0.0862 0.4790 -0.33550 2008 3 17 54542 -0.0844 0.4813 -0.33658 2008 3 18 54543 -0.0825 0.4836 -0.33789 2008 3 19 54544 -0.0806 0.4858 -0.33940 2008 3 20 54545 -0.0787 0.4880 -0.34108 2008 3 21 54546 -0.0767 0.4902 -0.34284 2008 3 22 54547 -0.0746 0.4924 -0.34458 2008 3 23 54548 -0.0726 0.4945 -0.34623 2008 3 24 54549 -0.0704 0.4966 -0.34773 2008 3 25 54550 -0.0683 0.4986 -0.34904 2008 3 26 54551 -0.0661 0.5007 -0.35015 2008 3 27 54552 -0.0639 0.5026 -0.35111 2008 3 28 54553 -0.0617 0.5046 -0.35196 2008 3 29 54554 -0.0594 0.5065 -0.35276 2008 3 30 54555 -0.0571 0.5084 -0.35360 2008 3 31 54556 -0.0547 0.5103 -0.35455 2008 4 1 54557 -0.0523 0.5121 -0.35570 2008 4 2 54558 -0.0499 0.5139 -0.35708 2008 4 3 54559 -0.0475 0.5156 -0.35875 2008 4 4 54560 -0.0450 0.5173 -0.36065 2008 4 5 54561 -0.0425 0.5190 -0.36269 2008 4 6 54562 -0.0400 0.5206 -0.36474 2008 4 7 54563 -0.0374 0.5222 -0.36663 2008 4 8 54564 -0.0348 0.5237 -0.36825 2008 4 9 54565 -0.0322 0.5253 -0.36957 2008 4 10 54566 -0.0296 0.5267 -0.37063 2008 4 11 54567 -0.0269 0.5282 -0.37156 2008 4 12 54568 -0.0242 0.5295 -0.37250 2008 4 13 54569 -0.0215 0.5309 -0.37356 2008 4 14 54570 -0.0187 0.5322 -0.37480 2008 4 15 54571 -0.0160 0.5335 -0.37623 2008 4 16 54572 -0.0132 0.5347 -0.37780 2008 4 17 54573 -0.0104 0.5359 -0.37945 2008 4 18 54574 -0.0075 0.5370 -0.38110 2008 4 19 54575 -0.0047 0.5381 -0.38266 2008 4 20 54576 -0.0018 0.5392 -0.38407 2008 4 21 54577 0.0011 0.5402 -0.38529 2008 4 22 54578 0.0040 0.5411 -0.38631 2008 4 23 54579 0.0069 0.5420 -0.38715 2008 4 24 54580 0.0098 0.5429 -0.38785 2008 4 25 54581 0.0128 0.5437 -0.38848 2008 4 26 54582 0.0158 0.5445 -0.38910 2008 4 27 54583 0.0188 0.5453 -0.38979 2008 4 28 54584 0.0218 0.5460 -0.39062 2008 4 29 54585 0.0248 0.5466 -0.39165 2008 4 30 54586 0.0278 0.5472 -0.39292 2008 5 1 54587 0.0308 0.5478 -0.39442 2008 5 2 54588 0.0339 0.5483 -0.39610 2008 5 3 54589 0.0369 0.5487 -0.39784 2008 5 4 54590 0.0400 0.5492 -0.39951 2008 5 5 54591 0.0431 0.5495 -0.40097 2008 5 6 54592 0.0461 0.5499 -0.40213 2008 5 7 54593 0.0492 0.5501 -0.40302 2008 5 8 54594 0.0523 0.5504 -0.40373 2008 5 9 54595 0.0554 0.5505 -0.40441 2008 5 10 54596 0.0585 0.5507 -0.40521 2008 5 11 54597 0.0616 0.5508 -0.40620 2008 5 12 54598 0.0647 0.5508 -0.40742 2008 5 13 54599 0.0678 0.5508 -0.40883 2008 5 14 54600 0.0709 0.5507 -0.41034 2008 5 15 54601 0.0740 0.5506 -0.41188 2008 5 16 54602 0.0772 0.5505 -0.41337 2008 5 17 54603 0.0803 0.5503 -0.41472 2008 5 18 54604 0.0834 0.5501 -0.41589 2008 5 19 54605 0.0865 0.5498 -0.41685 2008 5 20 54606 0.0896 0.5494 -0.41760 2008 5 21 54607 0.0927 0.5491 -0.41817 2008 5 22 54608 0.0957 0.5486 -0.41864 2008 5 23 54609 0.0988 0.5482 -0.41908 2008 5 24 54610 0.1019 0.5476 -0.41957 2008 5 25 54611 0.1050 0.5471 -0.42018 2008 5 26 54612 0.1080 0.5464 -0.42096 2008 5 27 54613 0.1111 0.5458 -0.42194 2008 5 28 54614 0.1141 0.5451 -0.42312 2008 5 29 54615 0.1171 0.5443 -0.42443 2008 5 30 54616 0.1201 0.5435 -0.42581 2008 5 31 54617 0.1231 0.5427 -0.42711 2008 6 1 54618 0.1261 0.5418 -0.42821 2008 6 2 54619 0.1291 0.5409 -0.42900 2008 6 3 54620 0.1320 0.5399 -0.42947 2008 6 4 54621 0.1350 0.5388 -0.42968 2008 6 5 54622 0.1379 0.5378 -0.42974 2008 6 6 54623 0.1408 0.5367 -0.42982 2008 6 7 54624 0.1437 0.5355 -0.43003 2008 6 8 54625 0.1466 0.5343 -0.43043 2008 6 9 54626 0.1494 0.5331 -0.43099 2008 6 10 54627 0.1522 0.5318 -0.43165 2008 6 11 54628 0.1550 0.5304 -0.43232 2008 6 12 54629 0.1578 0.5291 -0.43293 2008 6 13 54630 0.1606 0.5277 -0.43341 2008 6 14 54631 0.1633 0.5262 -0.43374 2008 6 15 54632 0.1660 0.5247 -0.43390 2008 6 16 54633 0.1687 0.5232 -0.43390 2008 6 17 54634 0.1714 0.5216 -0.43374 2008 6 18 54635 0.1740 0.5200 -0.43345 2008 6 19 54636 0.1766 0.5183 -0.43310 2008 6 20 54637 0.1792 0.5166 -0.43282 2008 6 21 54638 0.1818 0.5149 -0.43264 2008 6 22 54639 0.1843 0.5131 -0.43272 2008 6 23 54640 0.1868 0.5113 -0.43308 2008 6 24 54641 0.1893 0.5094 -0.43368 2008 6 25 54642 0.1917 0.5076 -0.43448 2008 6 26 54643 0.1941 0.5056 -0.43533 2008 6 27 54644 0.1965 0.5037 -0.43608 2008 6 28 54645 0.1988 0.5017 -0.43666 2008 6 29 54646 0.2011 0.4996 -0.43697 2008 6 30 54647 0.2034 0.4976 -0.43694 2008 7 1 54648 0.2056 0.4955 -0.43659 2008 7 2 54649 0.2078 0.4934 -0.43603 2008 7 3 54650 0.2100 0.4912 -0.43536 2008 7 4 54651 0.2121 0.4890 -0.43484 2008 7 5 54652 0.2142 0.4868 -0.43456 2008 7 6 54653 0.2163 0.4845 -0.43452 2008 7 7 54654 0.2183 0.4822 -0.43462 2008 7 8 54655 0.2203 0.4799 -0.43477 2008 7 9 54656 0.2222 0.4775 -0.43492 2008 7 10 54657 0.2241 0.4752 -0.43493 2008 7 11 54658 0.2260 0.4728 -0.43474 2008 7 12 54659 0.2278 0.4703 -0.43442 2008 7 13 54660 0.2295 0.4679 -0.43398 2008 7 14 54661 0.2313 0.4654 -0.43340 2008 7 15 54662 0.2330 0.4629 -0.43261 2008 7 16 54663 0.2346 0.4603 -0.43171 2008 7 17 54664 0.2362 0.4578 -0.43079 2008 7 18 54665 0.2378 0.4552 -0.42989 2008 7 19 54666 0.2393 0.4526 -0.42912 2008 7 20 54667 0.2408 0.4499 -0.42859 2008 7 21 54668 0.2422 0.4473 -0.42835 2008 7 22 54669 0.2436 0.4446 -0.42833 2008 7 23 54670 0.2449 0.4419 -0.42844 2008 7 24 54671 0.2462 0.4392 -0.42861 2008 7 25 54672 0.2475 0.4365 -0.42869 2008 7 26 54673 0.2487 0.4337 -0.42863 2008 7 27 54674 0.2499 0.4309 -0.42831 2008 7 28 54675 0.2510 0.4282 -0.42767 2008 7 29 54676 0.2520 0.4254 -0.42686 2008 7 30 54677 0.2530 0.4225 -0.42600 2008 7 31 54678 0.2540 0.4197 -0.42521 2008 8 1 54679 0.2549 0.4169 -0.42465 2008 8 2 54680 0.2558 0.4140 -0.42433 2008 8 3 54681 0.2566 0.4111 -0.42428 2008 8 4 54682 0.2574 0.4082 -0.42439 2008 8 5 54683 0.2581 0.4054 -0.42454 2008 8 6 54684 0.2588 0.4025 -0.42461 2008 8 7 54685 0.2594 0.3995 -0.42449 2008 8 8 54686 0.2600 0.3966 -0.42415 2008 8 9 54687 0.2605 0.3937 -0.42354 2008 8 10 54688 0.2610 0.3908 -0.42276 2008 8 11 54689 0.2614 0.3878 -0.42188 2008 8 12 54690 0.2618 0.3849 -0.42096 2008 8 13 54691 0.2621 0.3819 -0.42010 2008 8 14 54692 0.2624 0.3790 -0.41932 2008 8 15 54693 0.2626 0.3760 -0.41884 2008 8 16 54694 0.2628 0.3730 -0.41872 2008 8 17 54695 0.2629 0.3701 -0.41898 2008 8 18 54696 0.2629 0.3671 -0.41958 2008 8 19 54697 0.2630 0.3641 -0.42039 2008 8 20 54698 0.2629 0.3612 -0.42134 2008 8 21 54699 0.2629 0.3582 -0.42225 2008 8 22 54700 0.2627 0.3552 -0.42301 2008 8 23 54701 0.2625 0.3523 -0.42357 2008 8 24 54702 0.2623 0.3493 -0.42396 2008 8 25 54703 0.2620 0.3464 -0.42419 2008 8 26 54704 0.2617 0.3434 -0.42438 2008 8 27 54705 0.2613 0.3405 -0.42466 2008 8 28 54706 0.2609 0.3376 -0.42517 2008 8 29 54707 0.2604 0.3346 -0.42596 2008 8 30 54708 0.2599 0.3317 -0.42701 2008 8 31 54709 0.2593 0.3288 -0.42827 2008 9 1 54710 0.2586 0.3259 -0.42962 2008 9 2 54711 0.2580 0.3230 -0.43095 2008 9 3 54712 0.2572 0.3202 -0.43215 2008 9 4 54713 0.2564 0.3173 -0.43319 2008 9 5 54714 0.2556 0.3144 -0.43403 2008 9 6 54715 0.2547 0.3116 -0.43466 2008 9 7 54716 0.2538 0.3088 -0.43515 2008 9 8 54717 0.2528 0.3060 -0.43554 2008 9 9 54718 0.2518 0.3032 -0.43588 2008 9 10 54719 0.2507 0.3004 -0.43627 2008 9 11 54720 0.2496 0.2977 -0.43682 2008 9 12 54721 0.2484 0.2949 -0.43758 2008 9 13 54722 0.2472 0.2922 -0.43854 2008 9 14 54723 0.2460 0.2895 -0.43976 2008 9 15 54724 0.2447 0.2868 -0.44124 2008 9 16 54725 0.2433 0.2842 -0.44275 2008 9 17 54726 0.2419 0.2815 -0.44425 2008 9 18 54727 0.2405 0.2789 -0.44558 2008 9 19 54728 0.2390 0.2763 -0.44670 2008 9 20 54729 0.2374 0.2737 -0.44747 2008 9 21 54730 0.2359 0.2712 -0.44806 2008 9 22 54731 0.2342 0.2687 -0.44850 2008 9 23 54732 0.2326 0.2662 -0.44893 2008 9 24 54733 0.2309 0.2637 -0.44948 2008 9 25 54734 0.2291 0.2613 -0.45025 2008 9 26 54735 0.2273 0.2588 -0.45124 2008 9 27 54736 0.2255 0.2565 -0.45240 2008 9 28 54737 0.2236 0.2541 -0.45376 2008 9 29 54738 0.2217 0.2518 -0.45516 2008 9 30 54739 0.2197 0.2495 -0.45651 2008 10 1 54740 0.2177 0.2472 -0.45771 2008 10 2 54741 0.2157 0.2450 -0.45873 2008 10 3 54742 0.2136 0.2428 -0.45955 2008 10 4 54743 0.2115 0.2406 -0.46010 2008 10 5 54744 0.2094 0.2384 -0.46053 2008 10 6 54745 0.2072 0.2363 -0.46092 2008 10 7 54746 0.2050 0.2343 -0.46133 2008 10 8 54747 0.2027 0.2322 -0.46187 2008 10 9 54748 0.2004 0.2302 -0.46258 2008 10 10 54749 0.1981 0.2283 -0.46353 2008 10 11 54750 0.1958 0.2263 -0.46470 2008 10 12 54751 0.1934 0.2244 -0.46615 2008 10 13 54752 0.1909 0.2226 -0.46778 2008 10 14 54753 0.1885 0.2208 -0.46942 2008 10 15 54754 0.1860 0.2190 -0.47094 2008 10 16 54755 0.1835 0.2172 -0.47230 2008 10 17 54756 0.1809 0.2155 -0.47343 2008 10 18 54757 0.1783 0.2139 -0.47425 2008 10 19 54758 0.1757 0.2122 -0.47501 2008 10 20 54759 0.1731 0.2107 -0.47581 2008 10 21 54760 0.1704 0.2091 -0.47672 2008 10 22 54761 0.1678 0.2076 -0.47786 2008 10 23 54762 0.1650 0.2062 -0.47922 2008 10 24 54763 0.1623 0.2047 -0.48074 2008 10 25 54764 0.1595 0.2034 -0.48237 2008 10 26 54765 0.1568 0.2020 -0.48396 2008 10 27 54766 0.1539 0.2007 -0.48549 2008 10 28 54767 0.1511 0.1995 -0.48684 2008 10 29 54768 0.1483 0.1983 -0.48793 2008 10 30 54769 0.1454 0.1971 -0.48880 2008 10 31 54770 0.1425 0.1960 -0.48950 2008 11 1 54771 0.1396 0.1950 -0.49006 2008 11 2 54772 0.1366 0.1939 -0.49053 2008 11 3 54773 0.1337 0.1930 -0.49100 2008 11 4 54774 0.1307 0.1920 -0.49156 2008 11 5 54775 0.1277 0.1911 -0.49223 2008 11 6 54776 0.1247 0.1903 -0.49306 2008 11 7 54777 0.1217 0.1895 -0.49406 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) 54393 -65.49 .12 -5.66 .34 54394 -65.39 .12 -5.47 .34 54395 -65.40 .13 -5.40 .34 54396 -65.52 .74 -5.32 .34 54397 -65.69 .74 -5.12 .11 54398 -65.86 .74 -4.92 .11 54399 -65.83 .74 -4.94 .11 54400 -65.47 .74 -5.12 .13 54401 -64.99 .74 -5.19 .13 54402 -64.77 .31 -5.04 .13 54403 -64.88 .45 -4.89 .13 54404 -64.99 .45 -4.96 .13 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 54345 -69.5 -6.7 54346 -69.5 -6.7 54347 -69.1 -6.7 54348 -68.7 -6.6 54349 -68.4 -6.6 54350 -68.3 -6.6 54351 -68.3 -6.6 54352 -68.2 -6.5 54353 -68.0 -6.2 54354 -67.6 -5.9 54355 -67.3 -5.6 54356 -67.5 -5.5 54357 -68.2 -5.7 54358 -68.9 -5.9 54359 -69.2 -6.1 54360 -68.9 -6.2 54361 -68.3 -6.4 54362 -68.0 -6.6 54363 -67.8 -6.8 54364 -67.7 -6.7 54365 -67.5 -6.6 54366 -67.5 -6.4 54367 -67.5 -6.4 54368 -67.6 -6.3 54369 -67.8 -6.1 54370 -68.0 -5.9 54371 -68.2 -5.9 54372 -68.2 -6.0 54373 -68.1 -6.0 54374 -68.0 -5.9 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 54393 -0.087 0.048 -0.166 0.340 54394 -0.095 0.048 -0.165 0.340 54395 -0.108 0.052 -0.157 0.340 54396 -0.139 0.294 -0.149 0.340 54397 -0.165 0.294 -0.156 0.110 54398 -0.176 0.294 -0.145 0.110 54399 -0.179 0.294 -0.110 0.110 54400 -0.195 0.294 -0.084 0.130 54401 -0.210 0.294 -0.130 0.130 54402 -0.187 0.123 -0.209 0.130 54403 -0.136 0.179 -0.233 0.130 54404 -0.102 0.179 -0.196 0.130 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 54345 -0.20 -0.34 54346 -0.23 -0.33 54347 -0.15 -0.36 54348 -0.06 -0.28 54349 0.02 -0.25 54350 0.01 -0.20 54351 -0.09 -0.19 54352 -0.17 -0.19 54353 -0.19 -0.16 54354 -0.07 -0.24 54355 0.06 -0.26 54356 0.07 -0.22 54357 -0.07 -0.21 54358 -0.23 -0.10 54359 -0.32 -0.09 54360 -0.27 -0.09 54361 -0.13 -0.18 54362 -0.06 -0.20 54363 0.00 -0.27 54364 0.00 -0.21 54365 0.02 -0.30 54366 -0.01 -0.25 54367 0.01 -0.31 54368 0.00 -0.30 54369 -0.04 -0.29 54370 -0.06 -0.24 54371 -0.10 -0.20 54372 -0.12 -0.16 54373 -0.13 -0.13 54374 -0.10 -0.15 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.