********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 4 December 2008 Vol. XXI No. 049 ______________________________________________________________________ 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 = -0.6 seconds beginning 20 November 2008 at 0000 UTC Beginning 1 January 2006: TAI-UTC(BIPM) = 33.000 000 seconds ********************************************************************** * Due to the holidays on 25 December 2008 and 1 January 2009, the * * Bulletin will be sent on 24 December 2008 and 31 December 2008. * ********************************************************************** ********************************************************************** * 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 11 28 54798 .09828 .00003 .13620 .00003 -.559377 .000011 8 11 29 54799 .09513 .00010 .13591 .00009 -.560325 .000013 8 11 30 54800 .09168 .00010 .13556 .00009 -.561196 .000018 8 12 1 54801 .08820 .00009 .13532 .00010 -.562079 .000017 8 12 2 54802 .08461 .00009 .13521 .00009 -.563029 .000016 8 12 3 54803 .08050 .00009 .13512 .00009 -.564053 .000048 8 12 4 54804 .07600 .00010 .13503 .00009 -.565261 .000057 IERS Final Values MJD x y UT1-UTC " " s 8 10 6 54745 .2521 .2076 -.49505 8 10 7 54746 .2497 .2056 -.49536 8 10 8 54747 .2472 .2035 -.49584 8 10 9 54748 .2448 .2009 -.49653 8 10 10 54749 .2424 .1979 -.49742 8 10 11 54750 .2396 .1948 -.49855 8 10 12 54751 .2371 .1918 -.49991 8 10 13 54752 .2348 .1892 -.50145 8 10 14 54753 .2325 .1869 -.50303 8 10 15 54754 .2298 .1847 -.50453 8 10 16 54755 .2270 .1825 -.50592 8 10 17 54756 .2244 .1804 -.50714 8 10 18 54757 .2216 .1779 -.50816 8 10 19 54758 .2189 .1752 -.50906 8 10 20 54759 .2162 .1728 -.51003 8 10 21 54760 .2137 .1706 -.51111 8 10 22 54761 .2113 .1687 -.51234 8 10 23 54762 .2084 .1669 -.51375 8 10 24 54763 .2050 .1649 -.51533 8 10 25 54764 .2012 .1626 -.51698 8 10 26 54765 .1978 .1600 -.51861 8 10 27 54766 .1952 .1579 -.52020 8 10 28 54767 .1933 .1568 -.52170 8 10 29 54768 .1912 .1559 -.52301 8 10 30 54769 .1884 .1544 -.52409 8 10 31 54770 .1857 .1530 -.52497 8 11 1 54771 .1826 .1515 -.52570 8 11 2 54772 .1794 .1497 -.52632 8 11 3 54773 .1765 .1485 -.52694 8 11 4 54774 .1733 .1478 -.52759 _______________________________________________________________________ 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 = .0736 + .0327 cos A - .0978 sin A - .0305 cos C - .1415 sin C y = .3533 - .0823 cos A - .0357 sin A - .1415 cos C + .0305 sin C UT1-UTC = -.5900 - .00092 (MJD - 54812) - (UT2-UT1) where A = 2*pi*(MJD-54804)/365.25 and C = 2*pi*(MJD-54804)/435. TAI-UTC(MJD 54805) = 33.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-54804)**0.80 S t = 0.00025 (MJD-54804)**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 12 5 54805 0.0718 0.1348 -0.56671 2008 12 6 54806 0.0675 0.1346 -0.56834 2008 12 7 54807 0.0635 0.1346 -0.57007 2008 12 8 54808 0.0596 0.1346 -0.57178 2008 12 9 54809 0.0558 0.1347 -0.57338 2008 12 10 54810 0.0520 0.1348 -0.57477 2008 12 11 54811 0.0483 0.1351 -0.57590 2008 12 12 54812 0.0447 0.1354 -0.57681 2008 12 13 54813 0.0410 0.1357 -0.57760 2008 12 14 54814 0.0374 0.1362 -0.57844 2008 12 15 54815 0.0338 0.1367 -0.57947 2008 12 16 54816 0.0302 0.1373 -0.58075 2008 12 17 54817 0.0266 0.1379 -0.58223 2008 12 18 54818 0.0230 0.1385 -0.58387 2008 12 19 54819 0.0194 0.1393 -0.58556 2008 12 20 54820 0.0158 0.1401 -0.58722 2008 12 21 54821 0.0123 0.1409 -0.58874 2008 12 22 54822 0.0087 0.1418 -0.59007 2008 12 23 54823 0.0052 0.1427 -0.59118 2008 12 24 54824 0.0017 0.1437 -0.59209 2008 12 25 54825 -0.0018 0.1448 -0.59279 2008 12 26 54826 -0.0053 0.1459 -0.59336 2008 12 27 54827 -0.0087 0.1471 -0.59386 2008 12 28 54828 -0.0121 0.1483 -0.59439 2008 12 29 54829 -0.0155 0.1495 -0.59499 2008 12 30 54830 -0.0189 0.1509 -0.59570 2008 12 31 54831 -0.0223 0.1522 -0.59657 2009 1 1 54832 -0.0256 0.1536 0.40241 2009 1 2 54833 -0.0290 0.1551 0.40124 2009 1 3 54834 -0.0322 0.1566 0.39997 2009 1 4 54835 -0.0355 0.1582 0.39866 2009 1 5 54836 -0.0387 0.1598 0.39741 2009 1 6 54837 -0.0419 0.1615 0.39630 2009 1 7 54838 -0.0451 0.1632 0.39537 2009 1 8 54839 -0.0483 0.1650 0.39465 2009 1 9 54840 -0.0514 0.1668 0.39405 2009 1 10 54841 -0.0545 0.1686 0.39347 2009 1 11 54842 -0.0575 0.1705 0.39278 2009 1 12 54843 -0.0606 0.1725 0.39187 2009 1 13 54844 -0.0635 0.1745 0.39072 2009 1 14 54845 -0.0665 0.1765 0.38937 2009 1 15 54846 -0.0694 0.1786 0.38793 2009 1 16 54847 -0.0723 0.1807 0.38654 2009 1 17 54848 -0.0751 0.1829 0.38529 2009 1 18 54849 -0.0780 0.1851 0.38425 2009 1 19 54850 -0.0807 0.1874 0.38342 2009 1 20 54851 -0.0835 0.1897 0.38281 2009 1 21 54852 -0.0862 0.1920 0.38235 2009 1 22 54853 -0.0888 0.1944 0.38200 2009 1 23 54854 -0.0914 0.1969 0.38168 2009 1 24 54855 -0.0940 0.1993 0.38132 2009 1 25 54856 -0.0965 0.2018 0.38084 2009 1 26 54857 -0.0990 0.2044 0.38020 2009 1 27 54858 -0.1015 0.2069 0.37936 2009 1 28 54859 -0.1039 0.2095 0.37832 2009 1 29 54860 -0.1062 0.2122 0.37711 2009 1 30 54861 -0.1085 0.2149 0.37579 2009 1 31 54862 -0.1108 0.2176 0.37442 2009 2 1 54863 -0.1130 0.2204 0.37308 2009 2 2 54864 -0.1152 0.2231 0.37187 2009 2 3 54865 -0.1173 0.2260 0.37083 2009 2 4 54866 -0.1194 0.2288 0.36998 2009 2 5 54867 -0.1214 0.2317 0.36927 2009 2 6 54868 -0.1234 0.2346 0.36861 2009 2 7 54869 -0.1253 0.2376 0.36787 2009 2 8 54870 -0.1272 0.2405 0.36693 2009 2 9 54871 -0.1291 0.2435 0.36571 2009 2 10 54872 -0.1308 0.2466 0.36422 2009 2 11 54873 -0.1326 0.2496 0.36256 2009 2 12 54874 -0.1342 0.2527 0.36085 2009 2 13 54875 -0.1359 0.2558 0.35923 2009 2 14 54876 -0.1374 0.2589 0.35778 2009 2 15 54877 -0.1390 0.2621 0.35655 2009 2 16 54878 -0.1404 0.2653 0.35555 2009 2 17 54879 -0.1419 0.2685 0.35472 2009 2 18 54880 -0.1432 0.2717 0.35402 2009 2 19 54881 -0.1445 0.2749 0.35337 2009 2 20 54882 -0.1458 0.2782 0.35270 2009 2 21 54883 -0.1470 0.2815 0.35194 2009 2 22 54884 -0.1481 0.2847 0.35103 2009 2 23 54885 -0.1492 0.2881 0.34993 2009 2 24 54886 -0.1503 0.2914 0.34862 2009 2 25 54887 -0.1512 0.2947 0.34712 2009 2 26 54888 -0.1522 0.2981 0.34547 2009 2 27 54889 -0.1530 0.3015 0.34375 2009 2 28 54890 -0.1538 0.3048 0.34205 2009 3 1 54891 -0.1546 0.3082 0.34046 2009 3 2 54892 -0.1553 0.3116 0.33904 2009 3 3 54893 -0.1559 0.3151 0.33782 2009 3 4 54894 -0.1565 0.3185 0.33675 2009 3 5 54895 -0.1570 0.3219 0.33575 2009 3 6 54896 -0.1575 0.3254 0.33471 2009 3 7 54897 -0.1579 0.3288 0.33352 2009 3 8 54898 -0.1583 0.3323 0.33207 2009 3 9 54899 -0.1586 0.3357 0.33036 2009 3 10 54900 -0.1588 0.3392 0.32843 2009 3 11 54901 -0.1590 0.3426 0.32638 2009 3 12 54902 -0.1591 0.3461 0.32435 2009 3 13 54903 -0.1592 0.3496 0.32246 2009 3 14 54904 -0.1592 0.3530 0.32078 2009 3 15 54905 -0.1591 0.3565 0.31933 2009 3 16 54906 -0.1590 0.3600 0.31810 2009 3 17 54907 -0.1589 0.3634 0.31703 2009 3 18 54908 -0.1587 0.3669 0.31605 2009 3 19 54909 -0.1584 0.3704 0.31509 2009 3 20 54910 -0.1580 0.3738 0.31409 2009 3 21 54911 -0.1576 0.3773 0.31297 2009 3 22 54912 -0.1572 0.3807 0.31168 2009 3 23 54913 -0.1567 0.3841 0.31024 2009 3 24 54914 -0.1561 0.3876 0.30859 2009 3 25 54915 -0.1555 0.3910 0.30679 2009 3 26 54916 -0.1548 0.3944 0.30488 2009 3 27 54917 -0.1541 0.3978 0.30296 2009 3 28 54918 -0.1533 0.4011 0.30114 2009 3 29 54919 -0.1525 0.4045 0.29948 2009 3 30 54920 -0.1516 0.4079 0.29805 2009 3 31 54921 -0.1506 0.4112 0.29681 2009 4 1 54922 -0.1496 0.4145 0.29569 2009 4 2 54923 -0.1485 0.4179 0.29459 2009 4 3 54924 -0.1474 0.4212 0.29337 2009 4 4 54925 -0.1463 0.4244 0.29197 2009 4 5 54926 -0.1450 0.4277 0.29033 2009 4 6 54927 -0.1438 0.4309 0.28847 2009 4 7 54928 -0.1424 0.4342 0.28649 2009 4 8 54929 -0.1410 0.4374 0.28448 2009 4 9 54930 -0.1396 0.4405 0.28257 2009 4 10 54931 -0.1381 0.4437 0.28085 2009 4 11 54932 -0.1366 0.4468 0.27935 2009 4 12 54933 -0.1350 0.4499 0.27808 2009 4 13 54934 -0.1334 0.4530 0.27701 2009 4 14 54935 -0.1317 0.4561 0.27606 2009 4 15 54936 -0.1299 0.4591 0.27518 2009 4 16 54937 -0.1281 0.4621 0.27428 2009 4 17 54938 -0.1263 0.4651 0.27330 2009 4 18 54939 -0.1244 0.4680 0.27219 2009 4 19 54940 -0.1225 0.4710 0.27091 2009 4 20 54941 -0.1205 0.4739 0.26946 2009 4 21 54942 -0.1185 0.4767 0.26784 2009 4 22 54943 -0.1164 0.4795 0.26610 2009 4 23 54944 -0.1143 0.4823 0.26432 2009 4 24 54945 -0.1121 0.4851 0.26260 2009 4 25 54946 -0.1099 0.4878 0.26103 2009 4 26 54947 -0.1077 0.4905 0.25967 2009 4 27 54948 -0.1054 0.4932 0.25854 2009 4 28 54949 -0.1031 0.4958 0.25758 2009 4 29 54950 -0.1007 0.4984 0.25667 2009 4 30 54951 -0.0983 0.5010 0.25571 2009 5 1 54952 -0.0958 0.5035 0.25458 2009 5 2 54953 -0.0933 0.5060 0.25325 2009 5 3 54954 -0.0908 0.5084 0.25174 2009 5 4 54955 -0.0882 0.5108 0.25010 2009 5 5 54956 -0.0856 0.5132 0.24844 2009 5 6 54957 -0.0829 0.5155 0.24687 2009 5 7 54958 -0.0803 0.5178 0.24546 2009 5 8 54959 -0.0775 0.5201 0.24427 2009 5 9 54960 -0.0748 0.5223 0.24331 2009 5 10 54961 -0.0720 0.5244 0.24257 2009 5 11 54962 -0.0692 0.5265 0.24198 2009 5 12 54963 -0.0663 0.5286 0.24149 2009 5 13 54964 -0.0634 0.5306 0.24101 2009 5 14 54965 -0.0605 0.5326 0.24048 2009 5 15 54966 -0.0575 0.5346 0.23985 2009 5 16 54967 -0.0546 0.5365 0.23908 2009 5 17 54968 -0.0515 0.5383 0.23816 2009 5 18 54969 -0.0485 0.5401 0.23709 2009 5 19 54970 -0.0454 0.5419 0.23590 2009 5 20 54971 -0.0423 0.5436 0.23464 2009 5 21 54972 -0.0392 0.5453 0.23341 2009 5 22 54973 -0.0361 0.5469 0.23228 2009 5 23 54974 -0.0329 0.5484 0.23134 2009 5 24 54975 -0.0297 0.5500 0.23062 2009 5 25 54976 -0.0265 0.5514 0.23010 2009 5 26 54977 -0.0233 0.5529 0.22968 2009 5 27 54978 -0.0200 0.5542 0.22923 2009 5 28 54979 -0.0167 0.5556 0.22864 2009 5 29 54980 -0.0134 0.5568 0.22783 2009 5 30 54981 -0.0101 0.5581 0.22683 2009 5 31 54982 -0.0068 0.5592 0.22568 2009 6 1 54983 -0.0034 0.5604 0.22450 2009 6 2 54984 -0.0001 0.5614 0.22339 2009 6 3 54985 0.0033 0.5625 0.22243 2009 6 4 54986 0.0067 0.5634 0.22167 2009 6 5 54987 0.0101 0.5643 0.22111 2009 6 6 54988 0.0135 0.5652 0.22073 2009 6 7 54989 0.0170 0.5660 0.22048 2009 6 8 54990 0.0204 0.5668 0.22030 2009 6 9 54991 0.0239 0.5675 0.22011 2009 6 10 54992 0.0273 0.5682 0.21985 2009 6 11 54993 0.0308 0.5688 0.21945 2009 6 12 54994 0.0343 0.5693 0.21890 2009 6 13 54995 0.0377 0.5698 0.21820 2009 6 14 54996 0.0412 0.5703 0.21736 2009 6 15 54997 0.0447 0.5707 0.21643 2009 6 16 54998 0.0482 0.5710 0.21546 2009 6 17 54999 0.0517 0.5713 0.21452 2009 6 18 55000 0.0552 0.5715 0.21370 2009 6 19 55001 0.0587 0.5717 0.21305 2009 6 20 55002 0.0622 0.5719 0.21264 2009 6 21 55003 0.0657 0.5719 0.21246 2009 6 22 55004 0.0692 0.5720 0.21245 2009 6 23 55005 0.0727 0.5719 0.21248 2009 6 24 55006 0.0762 0.5719 0.21242 2009 6 25 55007 0.0797 0.5717 0.21216 2009 6 26 55008 0.0831 0.5716 0.21167 2009 6 27 55009 0.0866 0.5713 0.21101 2009 6 28 55010 0.0901 0.5710 0.21030 2009 6 29 55011 0.0935 0.5707 0.20966 2009 6 30 55012 0.0970 0.5703 0.20919 2009 7 1 55013 0.1004 0.5698 0.20896 2009 7 2 55014 0.1039 0.5694 0.20897 2009 7 3 55015 0.1073 0.5688 0.20917 2009 7 4 55016 0.1107 0.5682 0.20953 2009 7 5 55017 0.1141 0.5676 0.20995 2009 7 6 55018 0.1175 0.5669 0.21036 2009 7 7 55019 0.1208 0.5661 0.21069 2009 7 8 55020 0.1242 0.5653 0.21088 2009 7 9 55021 0.1275 0.5644 0.21089 2009 7 10 55022 0.1308 0.5635 0.21074 2009 7 11 55023 0.1341 0.5626 0.21040 2009 7 12 55024 0.1374 0.5616 0.20993 2009 7 13 55025 0.1406 0.5605 0.20939 2009 7 14 55026 0.1439 0.5594 0.20884 2009 7 15 55027 0.1471 0.5583 0.20838 2009 7 16 55028 0.1503 0.5571 0.20810 2009 7 17 55029 0.1534 0.5558 0.20801 2009 7 18 55030 0.1566 0.5545 0.20809 2009 7 19 55031 0.1597 0.5532 0.20832 2009 7 20 55032 0.1628 0.5518 0.20858 2009 7 21 55033 0.1659 0.5504 0.20872 2009 7 22 55034 0.1689 0.5489 0.20869 2009 7 23 55035 0.1719 0.5474 0.20844 2009 7 24 55036 0.1749 0.5458 0.20803 2009 7 25 55037 0.1779 0.5442 0.20753 2009 7 26 55038 0.1808 0.5425 0.20699 2009 7 27 55039 0.1837 0.5408 0.20661 2009 7 28 55040 0.1866 0.5391 0.20649 2009 7 29 55041 0.1894 0.5373 0.20663 2009 7 30 55042 0.1922 0.5355 0.20703 2009 7 31 55043 0.1950 0.5336 0.20759 2009 8 1 55044 0.1977 0.5317 0.20824 2009 8 2 55045 0.2004 0.5297 0.20894 2009 8 3 55046 0.2031 0.5278 0.20964 2009 8 4 55047 0.2057 0.5257 0.21029 2009 8 5 55048 0.2083 0.5236 0.21084 2009 8 6 55049 0.2108 0.5215 0.21125 2009 8 7 55050 0.2133 0.5194 0.21153 2009 8 8 55051 0.2158 0.5172 0.21172 2009 8 9 55052 0.2183 0.5150 0.21181 2009 8 10 55053 0.2207 0.5127 0.21187 2009 8 11 55054 0.2230 0.5104 0.21199 2009 8 12 55055 0.2253 0.5081 0.21226 2009 8 13 55056 0.2276 0.5057 0.21269 2009 8 14 55057 0.2299 0.5033 0.21322 2009 8 15 55058 0.2321 0.5009 0.21383 2009 8 16 55059 0.2342 0.4985 0.21445 2009 8 17 55060 0.2363 0.4960 0.21496 2009 8 18 55061 0.2384 0.4934 0.21526 2009 8 19 55062 0.2404 0.4909 0.21520 2009 8 20 55063 0.2424 0.4883 0.21484 2009 8 21 55064 0.2443 0.4857 0.21433 2009 8 22 55065 0.2462 0.4831 0.21376 2009 8 23 55066 0.2480 0.4804 0.21318 2009 8 24 55067 0.2498 0.4777 0.21277 2009 8 25 55068 0.2516 0.4750 0.21257 2009 8 26 55069 0.2533 0.4722 0.21262 2009 8 27 55070 0.2549 0.4695 0.21288 2009 8 28 55071 0.2565 0.4667 0.21325 2009 8 29 55072 0.2581 0.4638 0.21363 2009 8 30 55073 0.2596 0.4610 0.21395 2009 8 31 55074 0.2610 0.4581 0.21415 2009 9 1 55075 0.2625 0.4553 0.21425 2009 9 2 55076 0.2638 0.4524 0.21423 2009 9 3 55077 0.2651 0.4494 0.21409 2009 9 4 55078 0.2664 0.4465 0.21384 2009 9 5 55079 0.2676 0.4435 0.21354 2009 9 6 55080 0.2687 0.4406 0.21317 2009 9 7 55081 0.2699 0.4376 0.21282 2009 9 8 55082 0.2709 0.4346 0.21261 2009 9 9 55083 0.2719 0.4315 0.21254 2009 9 10 55084 0.2729 0.4285 0.21261 2009 9 11 55085 0.2738 0.4255 0.21283 2009 9 12 55086 0.2746 0.4224 0.21312 2009 9 13 55087 0.2754 0.4193 0.21338 2009 9 14 55088 0.2762 0.4162 0.21350 2009 9 15 55089 0.2769 0.4131 0.21340 2009 9 16 55090 0.2775 0.4100 0.21300 2009 9 17 55091 0.2781 0.4069 0.21231 2009 9 18 55092 0.2786 0.4038 0.21145 2009 9 19 55093 0.2791 0.4007 0.21055 2009 9 20 55094 0.2796 0.3975 0.20974 2009 9 21 55095 0.2799 0.3944 0.20915 2009 9 22 55096 0.2803 0.3913 0.20884 2009 9 23 55097 0.2805 0.3881 0.20872 2009 9 24 55098 0.2808 0.3850 0.20880 2009 9 25 55099 0.2809 0.3818 0.20897 2009 9 26 55100 0.2810 0.3787 0.20912 2009 9 27 55101 0.2811 0.3755 0.20915 2009 9 28 55102 0.2811 0.3724 0.20902 2009 9 29 55103 0.2811 0.3692 0.20870 2009 9 30 55104 0.2810 0.3661 0.20818 2009 10 1 55105 0.2808 0.3629 0.20751 2009 10 2 55106 0.2806 0.3598 0.20667 2009 10 3 55107 0.2804 0.3566 0.20569 2009 10 4 55108 0.2801 0.3535 0.20465 2009 10 5 55109 0.2797 0.3504 0.20364 2009 10 6 55110 0.2793 0.3473 0.20276 2009 10 7 55111 0.2789 0.3441 0.20204 2009 10 8 55112 0.2784 0.3410 0.20144 2009 10 9 55113 0.2778 0.3379 0.20084 2009 10 10 55114 0.2772 0.3349 0.20020 2009 10 11 55115 0.2765 0.3318 0.19946 2009 10 12 55116 0.2758 0.3287 0.19859 2009 10 13 55117 0.2751 0.3257 0.19744 2009 10 14 55118 0.2742 0.3226 0.19610 2009 10 15 55119 0.2734 0.3196 0.19461 2009 10 16 55120 0.2725 0.3166 0.19298 2009 10 17 55121 0.2715 0.3136 0.19134 2009 10 18 55122 0.2705 0.3106 0.18984 2009 10 19 55123 0.2695 0.3076 0.18853 2009 10 20 55124 0.2683 0.3047 0.18746 2009 10 21 55125 0.2672 0.3018 0.18660 2009 10 22 55126 0.2660 0.2989 0.18583 2009 10 23 55127 0.2647 0.2960 0.18511 2009 10 24 55128 0.2635 0.2931 0.18440 2009 10 25 55129 0.2621 0.2902 0.18358 2009 10 26 55130 0.2607 0.2874 0.18258 2009 10 27 55131 0.2593 0.2846 0.18139 2009 10 28 55132 0.2578 0.2818 0.18006 2009 10 29 55133 0.2563 0.2791 0.17862 2009 10 30 55134 0.2547 0.2763 0.17711 2009 10 31 55135 0.2531 0.2736 0.17564 2009 11 1 55136 0.2515 0.2709 0.17423 2009 11 2 55137 0.2498 0.2683 0.17297 2009 11 3 55138 0.2481 0.2657 0.17191 2009 11 4 55139 0.2463 0.2631 0.17106 2009 11 5 55140 0.2445 0.2605 0.17035 2009 11 6 55141 0.2426 0.2579 0.16970 2009 11 7 55142 0.2407 0.2554 0.16899 2009 11 8 55143 0.2388 0.2529 0.16809 2009 11 9 55144 0.2368 0.2505 0.16697 2009 11 10 55145 0.2348 0.2480 0.16569 2009 11 11 55146 0.2327 0.2456 0.16425 2009 11 12 55147 0.2306 0.2433 0.16273 2009 11 13 55148 0.2285 0.2410 0.16123 2009 11 14 55149 0.2263 0.2387 0.15982 2009 11 15 55150 0.2241 0.2364 0.15855 2009 11 16 55151 0.2219 0.2342 0.15745 2009 11 17 55152 0.2196 0.2320 0.15652 2009 11 18 55153 0.2173 0.2298 0.15569 2009 11 19 55154 0.2150 0.2277 0.15492 2009 11 20 55155 0.2126 0.2256 0.15422 2009 11 21 55156 0.2102 0.2236 0.15351 2009 11 22 55157 0.2078 0.2215 0.15278 2009 11 23 55158 0.2054 0.2196 0.15197 2009 11 24 55159 0.2029 0.2176 0.15105 2009 11 25 55160 0.2003 0.2157 0.14999 2009 11 26 55161 0.1978 0.2139 0.14883 2009 11 27 55162 0.1952 0.2121 0.14771 2009 11 28 55163 0.1926 0.2103 0.14661 2009 11 29 55164 0.1900 0.2085 0.14557 2009 11 30 55165 0.1874 0.2069 0.14464 2009 12 1 55166 0.1847 0.2052 0.14385 2009 12 2 55167 0.1820 0.2036 0.14322 2009 12 3 55168 0.1792 0.2020 0.14272 2009 12 4 55169 0.1765 0.2005 0.14221 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) 54785 -65.07 .34 -5.50 .34 54786 -64.97 .27 -5.30 .34 54787 -65.19 .27 -5.14 .34 54788 -65.46 .14 -5.18 .11 54789 -65.50 .31 -5.34 .15 54790 -65.33 .31 -5.40 .15 54791 -65.15 .31 -5.26 .15 54792 -65.07 .42 -5.04 .17 54793 -65.05 .42 -4.86 .17 54794 -65.06 .32 -4.74 .20 54795 -65.08 .16 -4.68 .22 54796 -65.10 .16 -4.74 .22 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 54745 -68.5 -6.9 54746 -68.1 -7.1 54747 -67.9 -7.2 54748 -67.9 -7.3 54749 -68.1 -7.2 54750 -68.4 -7.1 54751 -68.7 -7.1 54752 -68.9 -7.0 54753 -68.8 -6.7 54754 -68.6 -6.5 54755 -68.5 -6.5 54756 -68.4 -6.6 54757 -68.2 -6.6 54758 -68.0 -6.5 54759 -67.8 -6.3 54760 -67.6 -6.3 54761 -67.4 -6.3 54762 -67.1 -6.4 54763 -66.9 -6.4 54764 -66.7 -6.4 54765 -66.7 -6.1 54766 -66.7 -5.9 54767 -66.8 -5.7 54768 -67.0 -5.8 54769 -67.2 -6.1 54770 -67.3 -6.3 54771 -67.1 -6.3 54772 -66.5 -6.2 54773 -65.9 -6.1 54774 -65.5 -6.1 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 54785 -0.301 0.135 -0.297 0.340 54786 -0.275 0.107 -0.360 0.340 54787 -0.232 0.107 -0.366 0.340 54788 -0.218 0.056 -0.310 0.110 54789 -0.233 0.123 -0.268 0.150 54790 -0.253 0.123 -0.275 0.150 54791 -0.271 0.123 -0.284 0.150 54792 -0.292 0.167 -0.277 0.170 54793 -0.306 0.167 -0.265 0.170 54794 -0.313 0.127 -0.258 0.200 54795 -0.317 0.064 -0.251 0.220 54796 -0.325 0.064 -0.240 0.220 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 54745 0.09 -0.24 54746 0.06 -0.35 54747 0.06 -0.40 54748 0.04 -0.57 54749 -0.00 -0.61 54750 -0.06 -0.61 54751 -0.11 -0.63 54752 -0.16 -0.58 54753 -0.14 -0.41 54754 -0.09 -0.34 54755 -0.08 -0.36 54756 -0.08 -0.42 54757 -0.07 -0.43 54758 -0.05 -0.44 54759 -0.03 -0.33 54760 -0.01 -0.33 54761 -0.01 -0.26 54762 0.02 -0.33 54763 -0.00 -0.39 54764 -0.01 -0.55 54765 -0.05 -0.50 54766 -0.04 -0.53 54767 -0.04 -0.44 54768 -0.09 -0.42 54769 -0.12 -0.45 54770 -0.15 -0.40 54771 -0.13 -0.32 54772 -0.06 -0.29 54773 -0.04 -0.26 54774 -0.04 -0.28 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.