********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 6 November 2008 Vol. XXI 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 = -0.5 seconds beginning 07 August 2008 at 0000 UTC Beginning 1 January 2006: TAI-UTC(BIPM) = 33.000 000 seconds ********************************************************************** * A positive leap second will be introduced in UTC on * * 31 December 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 10 31 54770 .18565 .00009 .15294 .00010 -.524958 .000007 8 11 1 54771 .18260 .00009 .15141 .00010 -.525701 .000007 8 11 2 54772 .17946 .00009 .14969 .00009 -.526316 .000008 8 11 3 54773 .17647 .00009 .14846 .00009 -.526939 .000015 8 11 4 54774 .17328 .00009 .14766 .00009 -.527577 .000018 8 11 5 54775 .16985 .00009 .14671 .00009 -.528257 .000048 8 11 6 54776 .16657 .00009 .14559 .00009 -.529214 .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 = .0663 + .0832 cos A - .0715 sin A + .0188 cos C - .1472 sin C y = .3463 - .0572 cos A - .0806 sin A - .1472 cos C - .0188 sin C UT1-UTC = -.5598 - .00090 (MJD - 54784) - (UT2-UT1) where A = 2*pi*(MJD-54776)/365.25 and C = 2*pi*(MJD-54776)/435. TAI-UTC(MJD 54777) = 33.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-54776)**0.80 S t = 0.00025 (MJD-54776)**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 11 7 54777 0.1631 0.1444 -0.53050 2008 11 8 54778 0.1597 0.1432 -0.53199 2008 11 9 54779 0.1563 0.1419 -0.53362 2008 11 10 54780 0.1528 0.1407 -0.53531 2008 11 11 54781 0.1493 0.1395 -0.53697 2008 11 12 54782 0.1458 0.1383 -0.53851 2008 11 13 54783 0.1422 0.1372 -0.53983 2008 11 14 54784 0.1386 0.1361 -0.54090 2008 11 15 54785 0.1350 0.1350 -0.54177 2008 11 16 54786 0.1313 0.1340 -0.54256 2008 11 17 54787 0.1277 0.1330 -0.54341 2008 11 18 54788 0.1240 0.1321 -0.54445 2008 11 19 54789 0.1203 0.1312 -0.54567 2008 11 20 54790 0.1166 0.1304 -0.54706 2008 11 21 54791 0.1129 0.1296 -0.54856 2008 11 22 54792 0.1091 0.1289 -0.55009 2008 11 23 54793 0.1054 0.1283 -0.55156 2008 11 24 54794 0.1016 0.1277 -0.55289 2008 11 25 54795 0.0978 0.1272 -0.55403 2008 11 26 54796 0.0941 0.1267 -0.55499 2008 11 27 54797 0.0903 0.1263 -0.55578 2008 11 28 54798 0.0865 0.1259 -0.55643 2008 11 29 54799 0.0827 0.1256 -0.55699 2008 11 30 54800 0.0789 0.1253 -0.55752 2008 12 1 54801 0.0751 0.1251 -0.55808 2008 12 2 54802 0.0713 0.1250 -0.55874 2008 12 3 54803 0.0675 0.1249 -0.55955 2008 12 4 54804 0.0637 0.1249 -0.56052 2008 12 5 54805 0.0599 0.1249 -0.56166 2008 12 6 54806 0.0561 0.1250 -0.56297 2008 12 7 54807 0.0523 0.1252 -0.56438 2008 12 8 54808 0.0485 0.1254 -0.56582 2008 12 9 54809 0.0447 0.1257 -0.56717 2008 12 10 54810 0.0409 0.1260 -0.56834 2008 12 11 54811 0.0371 0.1264 -0.56928 2008 12 12 54812 0.0334 0.1268 -0.57003 2008 12 13 54813 0.0296 0.1273 -0.57068 2008 12 14 54814 0.0258 0.1279 -0.57138 2008 12 15 54815 0.0221 0.1285 -0.57224 2008 12 16 54816 0.0184 0.1291 -0.57334 2008 12 17 54817 0.0146 0.1299 -0.57466 2008 12 18 54818 0.0109 0.1306 -0.57611 2008 12 19 54819 0.0072 0.1315 -0.57759 2008 12 20 54820 0.0036 0.1324 -0.57900 2008 12 21 54821 -0.0001 0.1333 -0.58024 2008 12 22 54822 -0.0038 0.1343 -0.58129 2008 12 23 54823 -0.0074 0.1354 -0.58212 2008 12 24 54824 -0.0110 0.1365 -0.58277 2008 12 25 54825 -0.0146 0.1377 -0.58326 2008 12 26 54826 -0.0182 0.1389 -0.58366 2008 12 27 54827 -0.0217 0.1402 -0.58403 2008 12 28 54828 -0.0252 0.1415 -0.58444 2008 12 29 54829 -0.0287 0.1429 -0.58495 2008 12 30 54830 -0.0322 0.1443 -0.58562 2008 12 31 54831 -0.0357 0.1458 -0.58647 2009 1 1 54832 -0.0391 0.1473 0.41250 2009 1 2 54833 -0.0425 0.1489 0.41130 2009 1 3 54834 -0.0459 0.1506 0.41000 2009 1 4 54835 -0.0492 0.1523 0.40866 2009 1 5 54836 -0.0526 0.1540 0.40736 2009 1 6 54837 -0.0558 0.1558 0.40621 2009 1 7 54838 -0.0591 0.1577 0.40523 2009 1 8 54839 -0.0623 0.1596 0.40445 2009 1 9 54840 -0.0655 0.1615 0.40380 2009 1 10 54841 -0.0687 0.1635 0.40316 2009 1 11 54842 -0.0718 0.1655 0.40238 2009 1 12 54843 -0.0749 0.1676 0.40138 2009 1 13 54844 -0.0779 0.1698 0.40011 2009 1 14 54845 -0.0810 0.1719 0.39864 2009 1 15 54846 -0.0839 0.1742 0.39707 2009 1 16 54847 -0.0869 0.1764 0.39554 2009 1 17 54848 -0.0898 0.1787 0.39414 2009 1 18 54849 -0.0926 0.1811 0.39295 2009 1 19 54850 -0.0955 0.1835 0.39198 2009 1 20 54851 -0.0983 0.1860 0.39120 2009 1 21 54852 -0.1010 0.1884 0.39058 2009 1 22 54853 -0.1037 0.1910 0.39006 2009 1 23 54854 -0.1064 0.1935 0.38957 2009 1 24 54855 -0.1090 0.1961 0.38904 2009 1 25 54856 -0.1115 0.1988 0.38841 2009 1 26 54857 -0.1141 0.2015 0.38763 2009 1 27 54858 -0.1165 0.2042 0.38665 2009 1 28 54859 -0.1190 0.2070 0.38548 2009 1 29 54860 -0.1213 0.2098 0.38414 2009 1 30 54861 -0.1237 0.2126 0.38268 2009 1 31 54862 -0.1260 0.2155 0.38118 2009 2 1 54863 -0.1282 0.2184 0.37972 2009 2 2 54864 -0.1304 0.2213 0.37838 2009 2 3 54865 -0.1325 0.2243 0.37722 2009 2 4 54866 -0.1346 0.2273 0.37625 2009 2 5 54867 -0.1367 0.2304 0.37542 2009 2 6 54868 -0.1387 0.2334 0.37465 2009 2 7 54869 -0.1406 0.2365 0.37379 2009 2 8 54870 -0.1425 0.2396 0.37274 2009 2 9 54871 -0.1443 0.2428 0.37142 2009 2 10 54872 -0.1461 0.2460 0.36983 2009 2 11 54873 -0.1478 0.2492 0.36807 2009 2 12 54874 -0.1495 0.2524 0.36627 2009 2 13 54875 -0.1511 0.2557 0.36455 2009 2 14 54876 -0.1527 0.2590 0.36301 2009 2 15 54877 -0.1542 0.2623 0.36169 2009 2 16 54878 -0.1557 0.2656 0.36059 2009 2 17 54879 -0.1571 0.2690 0.35968 2009 2 18 54880 -0.1584 0.2724 0.35890 2009 2 19 54881 -0.1597 0.2757 0.35817 2009 2 20 54882 -0.1609 0.2792 0.35744 2009 2 21 54883 -0.1621 0.2826 0.35663 2009 2 22 54884 -0.1632 0.2860 0.35567 2009 2 23 54885 -0.1643 0.2895 0.35458 2009 2 24 54886 -0.1653 0.2930 0.35328 2009 2 25 54887 -0.1662 0.2965 0.35179 2009 2 26 54888 -0.1671 0.3000 0.35015 2009 2 27 54889 -0.1679 0.3035 0.34845 2009 2 28 54890 -0.1687 0.3071 0.34677 2009 3 1 54891 -0.1694 0.3106 0.34520 2009 3 2 54892 -0.1700 0.3142 0.34380 2009 3 3 54893 -0.1706 0.3177 0.34261 2009 3 4 54894 -0.1711 0.3213 0.34158 2009 3 5 54895 -0.1716 0.3249 0.34063 2009 3 6 54896 -0.1720 0.3285 0.33965 2009 3 7 54897 -0.1724 0.3321 0.33852 2009 3 8 54898 -0.1727 0.3357 0.33714 2009 3 9 54899 -0.1729 0.3393 0.33550 2009 3 10 54900 -0.1731 0.3429 0.33364 2009 3 11 54901 -0.1732 0.3465 0.33167 2009 3 12 54902 -0.1732 0.3502 0.32972 2009 3 13 54903 -0.1732 0.3538 0.32792 2009 3 14 54904 -0.1731 0.3574 0.32632 2009 3 15 54905 -0.1730 0.3610 0.32496 2009 3 16 54906 -0.1728 0.3646 0.32381 2009 3 17 54907 -0.1726 0.3682 0.32282 2009 3 18 54908 -0.1723 0.3718 0.32193 2009 3 19 54909 -0.1719 0.3754 0.32106 2009 3 20 54910 -0.1715 0.3790 0.32015 2009 3 21 54911 -0.1710 0.3826 0.31911 2009 3 22 54912 -0.1704 0.3862 0.31792 2009 3 23 54913 -0.1698 0.3898 0.31652 2009 3 24 54914 -0.1692 0.3934 0.31494 2009 3 25 54915 -0.1685 0.3969 0.31319 2009 3 26 54916 -0.1677 0.4005 0.31133 2009 3 27 54917 -0.1668 0.4040 0.30947 2009 3 28 54918 -0.1659 0.4075 0.30770 2009 3 29 54919 -0.1650 0.4110 0.30611 2009 3 30 54920 -0.1640 0.4145 0.30473 2009 3 31 54921 -0.1629 0.4180 0.30354 2009 4 1 54922 -0.1618 0.4214 0.30248 2009 4 2 54923 -0.1606 0.4249 0.30144 2009 4 3 54924 -0.1594 0.4283 0.30029 2009 4 4 54925 -0.1581 0.4317 0.29894 2009 4 5 54926 -0.1567 0.4351 0.29736 2009 4 6 54927 -0.1553 0.4385 0.29558 2009 4 7 54928 -0.1539 0.4418 0.29366 2009 4 8 54929 -0.1523 0.4451 0.29172 2009 4 9 54930 -0.1508 0.4484 0.28988 2009 4 10 54931 -0.1492 0.4517 0.28822 2009 4 11 54932 -0.1475 0.4550 0.28679 2009 4 12 54933 -0.1458 0.4582 0.28560 2009 4 13 54934 -0.1440 0.4614 0.28460 2009 4 14 54935 -0.1421 0.4646 0.28372 2009 4 15 54936 -0.1403 0.4677 0.28291 2009 4 16 54937 -0.1383 0.4708 0.28209 2009 4 17 54938 -0.1363 0.4739 0.28119 2009 4 18 54939 -0.1343 0.4770 0.28015 2009 4 19 54940 -0.1322 0.4800 0.27896 2009 4 20 54941 -0.1301 0.4830 0.27758 2009 4 21 54942 -0.1279 0.4859 0.27605 2009 4 22 54943 -0.1257 0.4889 0.27439 2009 4 23 54944 -0.1234 0.4918 0.27270 2009 4 24 54945 -0.1211 0.4946 0.27106 2009 4 25 54946 -0.1187 0.4975 0.26957 2009 4 26 54947 -0.1163 0.5002 0.26830 2009 4 27 54948 -0.1139 0.5030 0.26725 2009 4 28 54949 -0.1114 0.5057 0.26636 2009 4 29 54950 -0.1088 0.5084 0.26552 2009 4 30 54951 -0.1062 0.5110 0.26461 2009 5 1 54952 -0.1036 0.5136 0.26353 2009 5 2 54953 -0.1010 0.5162 0.26224 2009 5 3 54954 -0.0982 0.5187 0.26073 2009 5 4 54955 -0.0955 0.5212 0.25908 2009 5 5 54956 -0.0927 0.5236 0.25738 2009 5 6 54957 -0.0899 0.5260 0.25573 2009 5 7 54958 -0.0870 0.5284 0.25420 2009 5 8 54959 -0.0841 0.5307 0.25284 2009 5 9 54960 -0.0812 0.5330 0.25166 2009 5 10 54961 -0.0782 0.5352 0.25064 2009 5 11 54962 -0.0752 0.5374 0.24970 2009 5 12 54963 -0.0722 0.5395 0.24879 2009 5 13 54964 -0.0691 0.5416 0.24783 2009 5 14 54965 -0.0660 0.5436 0.24677 2009 5 15 54966 -0.0629 0.5456 0.24559 2009 5 16 54967 -0.0597 0.5476 0.24427 2009 5 17 54968 -0.0565 0.5495 0.24282 2009 5 18 54969 -0.0533 0.5513 0.24128 2009 5 19 54970 -0.0500 0.5531 0.23969 2009 5 20 54971 -0.0468 0.5549 0.23810 2009 5 21 54972 -0.0434 0.5566 0.23658 2009 5 22 54973 -0.0401 0.5582 0.23521 2009 5 23 54974 -0.0368 0.5598 0.23405 2009 5 24 54975 -0.0334 0.5614 0.23314 2009 5 25 54976 -0.0300 0.5629 0.23243 2009 5 26 54977 -0.0265 0.5644 0.23184 2009 5 27 54978 -0.0231 0.5657 0.23124 2009 5 28 54979 -0.0196 0.5671 0.23052 2009 5 29 54980 -0.0162 0.5684 0.22963 2009 5 30 54981 -0.0126 0.5696 0.22859 2009 5 31 54982 -0.0091 0.5708 0.22747 2009 6 1 54983 -0.0056 0.5720 0.22638 2009 6 2 54984 -0.0020 0.5730 0.22542 2009 6 3 54985 0.0015 0.5741 0.22467 2009 6 4 54986 0.0051 0.5751 0.22416 2009 6 5 54987 0.0087 0.5760 0.22392 2009 6 6 54988 0.0123 0.5768 0.22391 2009 6 7 54989 0.0160 0.5777 0.22408 2009 6 8 54990 0.0196 0.5784 0.22437 2009 6 9 54991 0.0232 0.5791 0.22472 2009 6 10 54992 0.0269 0.5798 0.22507 2009 6 11 54993 0.0305 0.5804 0.22537 2009 6 12 54994 0.0342 0.5809 0.22558 2009 6 13 54995 0.0379 0.5814 0.22569 2009 6 14 54996 0.0415 0.5818 0.22569 2009 6 15 54997 0.0452 0.5822 0.22559 2009 6 16 54998 0.0489 0.5825 0.22546 2009 6 17 54999 0.0526 0.5828 0.22538 2009 6 18 55000 0.0563 0.5830 0.22539 2009 6 19 55001 0.0600 0.5831 0.22549 2009 6 20 55002 0.0636 0.5832 0.22574 2009 6 21 55003 0.0673 0.5833 0.22614 2009 6 22 55004 0.0710 0.5833 0.22661 2009 6 23 55005 0.0747 0.5832 0.22706 2009 6 24 55006 0.0783 0.5831 0.22731 2009 6 25 55007 0.0820 0.5829 0.22734 2009 6 26 55008 0.0857 0.5827 0.22721 2009 6 27 55009 0.0893 0.5824 0.22694 2009 6 28 55010 0.0930 0.5820 0.22656 2009 6 29 55011 0.0966 0.5816 0.22624 2009 6 30 55012 0.1002 0.5812 0.22606 2009 7 1 55013 0.1038 0.5807 0.22611 2009 7 2 55014 0.1074 0.5801 0.22639 2009 7 3 55015 0.1110 0.5795 0.22687 2009 7 4 55016 0.1146 0.5788 0.22747 2009 7 5 55017 0.1182 0.5781 0.22814 2009 7 6 55018 0.1217 0.5773 0.22881 2009 7 7 55019 0.1253 0.5765 0.22949 2009 7 8 55020 0.1288 0.5756 0.23013 2009 7 9 55021 0.1323 0.5747 0.23070 2009 7 10 55022 0.1357 0.5737 0.23117 2009 7 11 55023 0.1392 0.5726 0.23158 2009 7 12 55024 0.1426 0.5716 0.23186 2009 7 13 55025 0.1461 0.5704 0.23207 2009 7 14 55026 0.1494 0.5692 0.23234 2009 7 15 55027 0.1528 0.5680 0.23264 2009 7 16 55028 0.1562 0.5667 0.23305 2009 7 17 55029 0.1595 0.5653 0.23362 2009 7 18 55030 0.1628 0.5639 0.23436 2009 7 19 55031 0.1661 0.5625 0.23522 2009 7 20 55032 0.1693 0.5610 0.23612 2009 7 21 55033 0.1725 0.5595 0.23693 2009 7 22 55034 0.1757 0.5579 0.23753 2009 7 23 55035 0.1789 0.5562 0.23783 2009 7 24 55036 0.1820 0.5546 0.23789 2009 7 25 55037 0.1851 0.5528 0.23779 2009 7 26 55038 0.1881 0.5510 0.23767 2009 7 27 55039 0.1912 0.5492 0.23770 2009 7 28 55040 0.1942 0.5474 0.23797 2009 7 29 55041 0.1971 0.5454 0.23844 2009 7 30 55042 0.2001 0.5435 0.23917 2009 7 31 55043 0.2030 0.5415 0.24009 2009 8 1 55044 0.2058 0.5394 0.24108 2009 8 2 55045 0.2086 0.5374 0.24206 2009 8 3 55046 0.2114 0.5352 0.24296 2009 8 4 55047 0.2142 0.5331 0.24373 2009 8 5 55048 0.2169 0.5308 0.24435 2009 8 6 55049 0.2196 0.5286 0.24482 2009 8 7 55050 0.2222 0.5263 0.24509 2009 8 8 55051 0.2248 0.5240 0.24516 2009 8 9 55052 0.2273 0.5216 0.24509 2009 8 10 55053 0.2298 0.5192 0.24494 2009 8 11 55054 0.2323 0.5168 0.24482 2009 8 12 55055 0.2347 0.5143 0.24480 2009 8 13 55056 0.2371 0.5118 0.24485 2009 8 14 55057 0.2394 0.5092 0.24496 2009 8 15 55058 0.2417 0.5066 0.24514 2009 8 16 55059 0.2439 0.5040 0.24536 2009 8 17 55060 0.2461 0.5014 0.24557 2009 8 18 55061 0.2483 0.4987 0.24559 2009 8 19 55062 0.2504 0.4960 0.24538 2009 8 20 55063 0.2524 0.4932 0.24492 2009 8 21 55064 0.2545 0.4904 0.24416 2009 8 22 55065 0.2564 0.4876 0.24325 2009 8 23 55066 0.2583 0.4848 0.24235 2009 8 24 55067 0.2602 0.4819 0.24159 2009 8 25 55068 0.2620 0.4790 0.24107 2009 8 26 55069 0.2638 0.4761 0.24080 2009 8 27 55070 0.2655 0.4732 0.24070 2009 8 28 55071 0.2671 0.4702 0.24072 2009 8 29 55072 0.2687 0.4672 0.24083 2009 8 30 55073 0.2703 0.4642 0.24090 2009 8 31 55074 0.2718 0.4611 0.24084 2009 9 1 55075 0.2733 0.4581 0.24061 2009 9 2 55076 0.2747 0.4550 0.24022 2009 9 3 55077 0.2760 0.4519 0.23968 2009 9 4 55078 0.2773 0.4488 0.23900 2009 9 5 55079 0.2786 0.4456 0.23826 2009 9 6 55080 0.2798 0.4425 0.23748 2009 9 7 55081 0.2809 0.4393 0.23676 2009 9 8 55082 0.2820 0.4361 0.23613 2009 9 9 55083 0.2830 0.4329 0.23567 2009 9 10 55084 0.2840 0.4297 0.23536 2009 9 11 55085 0.2849 0.4264 0.23519 2009 9 12 55086 0.2858 0.4232 0.23508 2009 9 13 55087 0.2866 0.4199 0.23492 2009 9 14 55088 0.2873 0.4166 0.23461 2009 9 15 55089 0.2880 0.4134 0.23412 2009 9 16 55090 0.2887 0.4101 0.23337 2009 9 17 55091 0.2893 0.4068 0.23234 2009 9 18 55092 0.2898 0.4034 0.23112 2009 9 19 55093 0.2903 0.4001 0.22982 2009 9 20 55094 0.2907 0.3968 0.22856 2009 9 21 55095 0.2911 0.3935 0.22744 2009 9 22 55096 0.2914 0.3901 0.22651 2009 9 23 55097 0.2917 0.3868 0.22576 2009 9 24 55098 0.2919 0.3834 0.22516 2009 9 25 55099 0.2920 0.3801 0.22469 2009 9 26 55100 0.2921 0.3768 0.22430 2009 9 27 55101 0.2921 0.3734 0.22392 2009 9 28 55102 0.2921 0.3701 0.22349 2009 9 29 55103 0.2920 0.3667 0.22294 2009 9 30 55104 0.2919 0.3634 0.22220 2009 10 1 55105 0.2917 0.3600 0.22128 2009 10 2 55106 0.2915 0.3567 0.22030 2009 10 3 55107 0.2912 0.3534 0.21925 2009 10 4 55108 0.2908 0.3500 0.21816 2009 10 5 55109 0.2904 0.3467 0.21709 2009 10 6 55110 0.2900 0.3434 0.21611 2009 10 7 55111 0.2894 0.3401 0.21530 2009 10 8 55112 0.2889 0.3368 0.21469 2009 10 9 55113 0.2882 0.3335 0.21418 2009 10 10 55114 0.2876 0.3302 0.21365 2009 10 11 55115 0.2868 0.3269 0.21311 2009 10 12 55116 0.2861 0.3237 0.21250 2009 10 13 55117 0.2852 0.3204 0.21166 2009 10 14 55118 0.2843 0.3172 0.21058 2009 10 15 55119 0.2834 0.3140 0.20935 2009 10 16 55120 0.2824 0.3108 0.20806 2009 10 17 55121 0.2813 0.3076 0.20680 2009 10 18 55122 0.2802 0.3045 0.20566 2009 10 19 55123 0.2791 0.3013 0.20476 2009 10 20 55124 0.2779 0.2982 0.20412 2009 10 21 55125 0.2767 0.2951 0.20365 2009 10 22 55126 0.2754 0.2920 0.20327 2009 10 23 55127 0.2740 0.2889 0.20286 2009 10 24 55128 0.2726 0.2858 0.20237 2009 10 25 55129 0.2712 0.2828 0.20172 2009 10 26 55130 0.2697 0.2798 0.20084 2009 10 27 55131 0.2681 0.2768 0.19975 2009 10 28 55132 0.2665 0.2738 0.19847 2009 10 29 55133 0.2649 0.2709 0.19705 2009 10 30 55134 0.2632 0.2680 0.19553 2009 10 31 55135 0.2615 0.2651 0.19400 2009 11 1 55136 0.2597 0.2623 0.19251 2009 11 2 55137 0.2579 0.2594 0.19110 2009 11 3 55138 0.2560 0.2566 0.18982 2009 11 4 55139 0.2541 0.2539 0.18868 2009 11 5 55140 0.2521 0.2511 0.18764 2009 11 6 55141 0.2501 0.2484 0.18666 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) 54757 -68.32 .28 -6.59 .11 54758 -68.13 .74 -6.51 .13 54759 -67.97 .74 -6.43 .13 54760 -67.80 .74 -6.43 .16 54761 -67.58 .74 -6.50 .13 54762 -67.33 .74 -6.52 .13 54763 -67.10 .74 -6.45 .13 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 54757 -0.113 0.111 -0.421 0.110 54758 -0.106 0.294 -0.445 0.130 54759 -0.102 0.294 -0.460 0.130 54760 -0.093 0.294 -0.459 0.160 54761 -0.077 0.294 -0.464 0.130 54762 -0.070 0.294 -0.449 0.130 54763 -0.083 0.294 -0.437 0.130 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.