********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 5 June 2008 Vol. XXI No. 023 ______________________________________________________________________ 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 = -0.4 seconds beginning 13 March 2008 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 8 5 30 54616 .11449 .00009 .54067 .00009 -.426342 .000012 8 5 31 54617 .11731 .00010 .54010 .00009 -.427593 .000015 8 6 1 54618 .11995 .00010 .53975 .00009 -.428735 .000016 8 6 2 54619 .12263 .00010 .53925 .00009 -.429677 .000015 8 6 3 54620 .12562 .00009 .53846 .00009 -.430351 .000014 8 6 4 54621 .12904 .00009 .53739 .00009 -.430805 .000013 8 6 5 54622 .13276 .00010 .53614 .00010 -.431136 .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 = .0570 + .0194 cos A + .1244 sin A + .0554 cos C + .0609 sin C y = .3525 + .1158 cos A - .0104 sin A + .0609 cos C - .0554 sin C UT1-UTC = -.4056 - .00079 (MJD - 54630) - (UT2-UT1) where A = 2*pi*(MJD-54622)/365.25 and C = 2*pi*(MJD-54622)/435. TAI-UTC(MJD 54623) = 33.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-54622)**0.80 S t = 0.00025 (MJD-54622)**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 6 6 54623 0.1363 0.5350 -0.43146 2008 6 7 54624 0.1399 0.5339 -0.43190 2008 6 8 54625 0.1433 0.5327 -0.43255 2008 6 9 54626 0.1466 0.5316 -0.43340 2008 6 10 54627 0.1498 0.5303 -0.43435 2008 6 11 54628 0.1530 0.5290 -0.43532 2008 6 12 54629 0.1561 0.5277 -0.43622 2008 6 13 54630 0.1591 0.5263 -0.43697 2008 6 14 54631 0.1621 0.5248 -0.43752 2008 6 15 54632 0.1651 0.5233 -0.43785 2008 6 16 54633 0.1681 0.5217 -0.43797 2008 6 17 54634 0.1710 0.5201 -0.43791 2008 6 18 54635 0.1739 0.5185 -0.43776 2008 6 19 54636 0.1768 0.5168 -0.43759 2008 6 20 54637 0.1796 0.5151 -0.43744 2008 6 21 54638 0.1824 0.5133 -0.43737 2008 6 22 54639 0.1852 0.5115 -0.43744 2008 6 23 54640 0.1879 0.5096 -0.43770 2008 6 24 54641 0.1906 0.5077 -0.43814 2008 6 25 54642 0.1933 0.5058 -0.43876 2008 6 26 54643 0.1960 0.5038 -0.43951 2008 6 27 54644 0.1986 0.5018 -0.44030 2008 6 28 54645 0.2012 0.4997 -0.44101 2008 6 29 54646 0.2037 0.4976 -0.44155 2008 6 30 54647 0.2062 0.4955 -0.44184 2008 7 1 54648 0.2087 0.4933 -0.44190 2008 7 2 54649 0.2112 0.4911 -0.44182 2008 7 3 54650 0.2136 0.4889 -0.44174 2008 7 4 54651 0.2159 0.4866 -0.44179 2008 7 5 54652 0.2183 0.4842 -0.44204 2008 7 6 54653 0.2206 0.4819 -0.44250 2008 7 7 54654 0.2228 0.4795 -0.44309 2008 7 8 54655 0.2250 0.4771 -0.44370 2008 7 9 54656 0.2272 0.4746 -0.44425 2008 7 10 54657 0.2293 0.4721 -0.44464 2008 7 11 54658 0.2314 0.4696 -0.44482 2008 7 12 54659 0.2334 0.4670 -0.44477 2008 7 13 54660 0.2354 0.4644 -0.44451 2008 7 14 54661 0.2374 0.4618 -0.44404 2008 7 15 54662 0.2393 0.4592 -0.44344 2008 7 16 54663 0.2412 0.4565 -0.44278 2008 7 17 54664 0.2430 0.4538 -0.44214 2008 7 18 54665 0.2448 0.4510 -0.44160 2008 7 19 54666 0.2465 0.4483 -0.44122 2008 7 20 54667 0.2482 0.4455 -0.44104 2008 7 21 54668 0.2499 0.4427 -0.44107 2008 7 22 54669 0.2515 0.4398 -0.44129 2008 7 23 54670 0.2530 0.4370 -0.44162 2008 7 24 54671 0.2545 0.4341 -0.44198 2008 7 25 54672 0.2560 0.4312 -0.44225 2008 7 26 54673 0.2574 0.4282 -0.44235 2008 7 27 54674 0.2587 0.4253 -0.44222 2008 7 28 54675 0.2600 0.4223 -0.44185 2008 7 29 54676 0.2613 0.4193 -0.44132 2008 7 30 54677 0.2625 0.4163 -0.44076 2008 7 31 54678 0.2636 0.4132 -0.44029 2008 8 1 54679 0.2647 0.4102 -0.44003 2008 8 2 54680 0.2658 0.4071 -0.44002 2008 8 3 54681 0.2668 0.4040 -0.44021 2008 8 4 54682 0.2677 0.4009 -0.44053 2008 8 5 54683 0.2686 0.3978 -0.44084 2008 8 6 54684 0.2694 0.3947 -0.44105 2008 8 7 54685 0.2702 0.3916 -0.44109 2008 8 8 54686 0.2710 0.3884 -0.44093 2008 8 9 54687 0.2717 0.3853 -0.44058 2008 8 10 54688 0.2723 0.3821 -0.44007 2008 8 11 54689 0.2729 0.3789 -0.43944 2008 8 12 54690 0.2734 0.3757 -0.43877 2008 8 13 54691 0.2739 0.3725 -0.43812 2008 8 14 54692 0.2743 0.3693 -0.43759 2008 8 15 54693 0.2746 0.3661 -0.43723 2008 8 16 54694 0.2750 0.3629 -0.43710 2008 8 17 54695 0.2752 0.3596 -0.43722 2008 8 18 54696 0.2754 0.3564 -0.43757 2008 8 19 54697 0.2756 0.3532 -0.43810 2008 8 20 54698 0.2757 0.3499 -0.43869 2008 8 21 54699 0.2757 0.3467 -0.43924 2008 8 22 54700 0.2757 0.3435 -0.43965 2008 8 23 54701 0.2756 0.3402 -0.43985 2008 8 24 54702 0.2755 0.3370 -0.43984 2008 8 25 54703 0.2753 0.3338 -0.43967 2008 8 26 54704 0.2751 0.3305 -0.43946 2008 8 27 54705 0.2748 0.3273 -0.43933 2008 8 28 54706 0.2745 0.3241 -0.43938 2008 8 29 54707 0.2741 0.3209 -0.43970 2008 8 30 54708 0.2736 0.3176 -0.44026 2008 8 31 54709 0.2731 0.3144 -0.44102 2008 9 1 54710 0.2726 0.3112 -0.44186 2008 9 2 54711 0.2719 0.3081 -0.44267 2008 9 3 54712 0.2713 0.3049 -0.44335 2008 9 4 54713 0.2706 0.3017 -0.44385 2008 9 5 54714 0.2698 0.2985 -0.44416 2008 9 6 54715 0.2690 0.2954 -0.44428 2008 9 7 54716 0.2681 0.2923 -0.44428 2008 9 8 54717 0.2672 0.2891 -0.44420 2008 9 9 54718 0.2662 0.2860 -0.44412 2008 9 10 54719 0.2652 0.2829 -0.44412 2008 9 11 54720 0.2641 0.2799 -0.44427 2008 9 12 54721 0.2629 0.2768 -0.44463 2008 9 13 54722 0.2618 0.2737 -0.44523 2008 9 14 54723 0.2605 0.2707 -0.44607 2008 9 15 54724 0.2592 0.2677 -0.44710 2008 9 16 54725 0.2579 0.2647 -0.44826 2008 9 17 54726 0.2565 0.2618 -0.44940 2008 9 18 54727 0.2551 0.2588 -0.45042 2008 9 19 54728 0.2536 0.2559 -0.45124 2008 9 20 54729 0.2520 0.2530 -0.45182 2008 9 21 54730 0.2505 0.2501 -0.45221 2008 9 22 54731 0.2488 0.2473 -0.45253 2008 9 23 54732 0.2471 0.2444 -0.45289 2008 9 24 54733 0.2454 0.2416 -0.45341 2008 9 25 54734 0.2436 0.2388 -0.45415 2008 9 26 54735 0.2418 0.2361 -0.45513 2008 9 27 54736 0.2400 0.2334 -0.45631 2008 9 28 54737 0.2380 0.2307 -0.45760 2008 9 29 54738 0.2361 0.2280 -0.45890 2008 9 30 54739 0.2341 0.2254 -0.46011 2008 10 1 54740 0.2320 0.2228 -0.46115 2008 10 2 54741 0.2299 0.2202 -0.46199 2008 10 3 54742 0.2278 0.2176 -0.46264 2008 10 4 54743 0.2256 0.2151 -0.46313 2008 10 5 54744 0.2234 0.2127 -0.46352 2008 10 6 54745 0.2212 0.2102 -0.46387 2008 10 7 54746 0.2189 0.2078 -0.46427 2008 10 8 54747 0.2165 0.2054 -0.46478 2008 10 9 54748 0.2142 0.2031 -0.46547 2008 10 10 54749 0.2117 0.2008 -0.46638 2008 10 11 54750 0.2093 0.1985 -0.46752 2008 10 12 54751 0.2068 0.1963 -0.46888 2008 10 13 54752 0.2043 0.1941 -0.47040 2008 10 14 54753 0.2017 0.1919 -0.47196 2008 10 15 54754 0.1991 0.1898 -0.47343 2008 10 16 54755 0.1965 0.1878 -0.47471 2008 10 17 54756 0.1938 0.1857 -0.47574 2008 10 18 54757 0.1911 0.1837 -0.47653 2008 10 19 54758 0.1883 0.1818 -0.47717 2008 10 20 54759 0.1856 0.1799 -0.47779 2008 10 21 54760 0.1828 0.1780 -0.47853 2008 10 22 54761 0.1799 0.1762 -0.47945 2008 10 23 54762 0.1771 0.1744 -0.48060 2008 10 24 54763 0.1742 0.1726 -0.48192 2008 10 25 54764 0.1713 0.1709 -0.48335 2008 10 26 54765 0.1683 0.1693 -0.48478 2008 10 27 54766 0.1653 0.1677 -0.48615 2008 10 28 54767 0.1623 0.1661 -0.48736 2008 10 29 54768 0.1593 0.1646 -0.48838 2008 10 30 54769 0.1563 0.1631 -0.48919 2008 10 31 54770 0.1532 0.1617 -0.48983 2008 11 1 54771 0.1501 0.1603 -0.49034 2008 11 2 54772 0.1470 0.1590 -0.49078 2008 11 3 54773 0.1438 0.1577 -0.49123 2008 11 4 54774 0.1407 0.1565 -0.49175 2008 11 5 54775 0.1375 0.1553 -0.49242 2008 11 6 54776 0.1343 0.1542 -0.49326 2008 11 7 54777 0.1311 0.1531 -0.49431 2008 11 8 54778 0.1278 0.1520 -0.49557 2008 11 9 54779 0.1246 0.1510 -0.49699 2008 11 10 54780 0.1213 0.1501 -0.49850 2008 11 11 54781 0.1180 0.1492 -0.49999 2008 11 12 54782 0.1147 0.1484 -0.50134 2008 11 13 54783 0.1114 0.1476 -0.50245 2008 11 14 54784 0.1081 0.1468 -0.50331 2008 11 15 54785 0.1047 0.1461 -0.50398 2008 11 16 54786 0.1014 0.1455 -0.50458 2008 11 17 54787 0.0980 0.1449 -0.50525 2008 11 18 54788 0.0946 0.1444 -0.50609 2008 11 19 54789 0.0913 0.1439 -0.50715 2008 11 20 54790 0.0879 0.1435 -0.50839 2008 11 21 54791 0.0845 0.1431 -0.50974 2008 11 22 54792 0.0811 0.1427 -0.51109 2008 11 23 54793 0.0777 0.1425 -0.51237 2008 11 24 54794 0.0743 0.1422 -0.51350 2008 11 25 54795 0.0709 0.1421 -0.51444 2008 11 26 54796 0.0675 0.1419 -0.51518 2008 11 27 54797 0.0641 0.1419 -0.51574 2008 11 28 54798 0.0607 0.1418 -0.51615 2008 11 29 54799 0.0572 0.1419 -0.51648 2008 11 30 54800 0.0538 0.1419 -0.51680 2008 12 1 54801 0.0504 0.1421 -0.51717 2008 12 2 54802 0.0470 0.1423 -0.51767 2008 12 3 54803 0.0436 0.1425 -0.51833 2008 12 4 54804 0.0402 0.1428 -0.51918 2008 12 5 54805 0.0368 0.1431 -0.52023 2008 12 6 54806 0.0335 0.1435 -0.52145 2008 12 7 54807 0.0301 0.1440 -0.52280 2008 12 8 54808 0.0267 0.1445 -0.52419 2008 12 9 54809 0.0234 0.1450 -0.52553 2008 12 10 54810 0.0200 0.1456 -0.52672 2008 12 11 54811 0.0167 0.1463 -0.52771 2008 12 12 54812 0.0134 0.1470 -0.52852 2008 12 13 54813 0.0100 0.1477 -0.52924 2008 12 14 54814 0.0067 0.1485 -0.52999 2008 12 15 54815 0.0035 0.1494 -0.53087 2008 12 16 54816 0.0002 0.1503 -0.53196 2008 12 17 54817 -0.0031 0.1512 -0.53321 2008 12 18 54818 -0.0063 0.1522 -0.53455 2008 12 19 54819 -0.0095 0.1532 -0.53588 2008 12 20 54820 -0.0127 0.1543 -0.53709 2008 12 21 54821 -0.0159 0.1555 -0.53810 2008 12 22 54822 -0.0190 0.1567 -0.53890 2008 12 23 54823 -0.0222 0.1579 -0.53949 2008 12 24 54824 -0.0253 0.1592 -0.53990 2008 12 25 54825 -0.0284 0.1606 -0.54019 2008 12 26 54826 -0.0315 0.1619 -0.54042 2008 12 27 54827 -0.0345 0.1634 -0.54068 2008 12 28 54828 -0.0375 0.1648 -0.54103 2008 12 29 54829 -0.0405 0.1664 -0.54155 2008 12 30 54830 -0.0435 0.1679 -0.54225 2008 12 31 54831 -0.0464 0.1696 -0.54315 2009 1 1 54832 -0.0494 0.1712 -0.54424 2009 1 2 54833 -0.0522 0.1729 -0.54550 2009 1 3 54834 -0.0551 0.1747 -0.54686 2009 1 4 54835 -0.0579 0.1764 -0.54824 2009 1 5 54836 -0.0607 0.1783 -0.54952 2009 1 6 54837 -0.0635 0.1802 -0.55061 2009 1 7 54838 -0.0662 0.1821 -0.55144 2009 1 8 54839 -0.0689 0.1840 -0.55201 2009 1 9 54840 -0.0716 0.1860 -0.55238 2009 1 10 54841 -0.0742 0.1881 -0.55269 2009 1 11 54842 -0.0768 0.1902 -0.55304 2009 1 12 54843 -0.0794 0.1923 -0.55356 2009 1 13 54844 -0.0819 0.1944 -0.55430 2009 1 14 54845 -0.0844 0.1966 -0.55525 2009 1 15 54846 -0.0868 0.1989 -0.55632 2009 1 16 54847 -0.0892 0.2011 -0.55737 2009 1 17 54848 -0.0916 0.2034 -0.55827 2009 1 18 54849 -0.0939 0.2058 -0.55893 2009 1 19 54850 -0.0962 0.2082 -0.55925 2009 1 20 54851 -0.0985 0.2106 -0.55930 2009 1 21 54852 -0.1007 0.2130 -0.55918 2009 1 22 54853 -0.1029 0.2155 -0.55900 2009 1 23 54854 -0.1050 0.2180 -0.55879 2009 1 24 54855 -0.1071 0.2206 -0.55863 2009 1 25 54856 -0.1091 0.2231 -0.55862 2009 1 26 54857 -0.1111 0.2258 -0.55882 2009 1 27 54858 -0.1131 0.2284 -0.55922 2009 1 28 54859 -0.1150 0.2311 -0.55975 2009 1 29 54860 -0.1168 0.2338 -0.56043 2009 1 30 54861 -0.1186 0.2365 -0.56126 2009 1 31 54862 -0.1204 0.2392 -0.56220 2009 2 1 54863 -0.1221 0.2420 -0.56311 2009 2 2 54864 -0.1238 0.2448 -0.56386 2009 2 3 54865 -0.1254 0.2477 -0.56438 2009 2 4 54866 -0.1270 0.2505 -0.56476 2009 2 5 54867 -0.1286 0.2534 -0.56507 2009 2 6 54868 -0.1300 0.2563 -0.56539 2009 2 7 54869 -0.1315 0.2592 -0.56581 2009 2 8 54870 -0.1329 0.2622 -0.56645 2009 2 9 54871 -0.1342 0.2651 -0.56731 2009 2 10 54872 -0.1355 0.2681 -0.56842 2009 2 11 54873 -0.1367 0.2711 -0.56969 2009 2 12 54874 -0.1379 0.2742 -0.57101 2009 2 13 54875 -0.1390 0.2772 -0.57226 2009 2 14 54876 -0.1401 0.2803 -0.57330 2009 2 15 54877 -0.1411 0.2834 -0.57410 2009 2 16 54878 -0.1421 0.2865 -0.57460 2009 2 17 54879 -0.1430 0.2896 -0.57490 2009 2 18 54880 -0.1439 0.2927 -0.57510 2009 2 19 54881 -0.1447 0.2958 -0.57528 2009 2 20 54882 -0.1455 0.2990 -0.57551 2009 2 21 54883 -0.1462 0.3021 -0.57593 2009 2 22 54884 -0.1469 0.3053 -0.57656 2009 2 23 54885 -0.1475 0.3085 -0.57742 2009 2 24 54886 -0.1480 0.3117 -0.57849 2009 2 25 54887 -0.1485 0.3149 -0.57978 2009 2 26 54888 -0.1490 0.3181 -0.58122 2009 2 27 54889 -0.1494 0.3213 -0.58270 2009 2 28 54890 -0.1497 0.3245 -0.58415 2009 3 1 54891 -0.1500 0.3277 -0.58552 2009 3 2 54892 -0.1502 0.3309 -0.58671 2009 3 3 54893 -0.1504 0.3342 -0.58761 2009 3 4 54894 -0.1505 0.3374 -0.58836 2009 3 5 54895 -0.1506 0.3406 -0.58906 2009 3 6 54896 -0.1506 0.3439 -0.58984 2009 3 7 54897 -0.1506 0.3471 -0.59078 2009 3 8 54898 -0.1505 0.3503 -0.59193 2009 3 9 54899 -0.1504 0.3536 -0.59336 2009 3 10 54900 -0.1502 0.3568 -0.59504 2009 3 11 54901 -0.1499 0.3600 -0.59681 2009 3 12 54902 -0.1496 0.3632 -0.59855 2009 3 13 54903 -0.1492 0.3665 -0.60015 2009 3 14 54904 -0.1488 0.3697 -0.60153 2009 3 15 54905 -0.1484 0.3729 -0.60266 2009 3 16 54906 -0.1478 0.3761 -0.60353 2009 3 17 54907 -0.1473 0.3793 -0.60425 2009 3 18 54908 -0.1466 0.3824 -0.60493 2009 3 19 54909 -0.1460 0.3856 -0.60557 2009 3 20 54910 -0.1452 0.3888 -0.60627 2009 3 21 54911 -0.1445 0.3919 -0.60709 2009 3 22 54912 -0.1436 0.3951 -0.60810 2009 3 23 54913 -0.1427 0.3982 -0.60930 2009 3 24 54914 -0.1418 0.4013 -0.61072 2009 3 25 54915 -0.1408 0.4044 -0.61230 2009 3 26 54916 -0.1398 0.4075 -0.61396 2009 3 27 54917 -0.1387 0.4105 -0.61556 2009 3 28 54918 -0.1375 0.4136 -0.61696 2009 3 29 54919 -0.1363 0.4166 -0.61810 2009 3 30 54920 -0.1351 0.4196 -0.61898 2009 3 31 54921 -0.1338 0.4226 -0.61963 2009 4 1 54922 -0.1325 0.4256 -0.62017 2009 4 2 54923 -0.1311 0.4285 -0.62071 2009 4 3 54924 -0.1296 0.4315 -0.62139 2009 4 4 54925 -0.1282 0.4344 -0.62229 2009 4 5 54926 -0.1266 0.4373 -0.62351 2009 4 6 54927 -0.1250 0.4401 -0.62499 2009 4 7 54928 -0.1234 0.4430 -0.62663 2009 4 8 54929 -0.1217 0.4458 -0.62830 2009 4 9 54930 -0.1200 0.4486 -0.62984 2009 4 10 54931 -0.1183 0.4513 -0.63114 2009 4 11 54932 -0.1165 0.4540 -0.63212 2009 4 12 54933 -0.1146 0.4568 -0.63290 2009 4 13 54934 -0.1127 0.4594 -0.63350 2009 4 14 54935 -0.1108 0.4621 -0.63400 2009 4 15 54936 -0.1088 0.4647 -0.63451 2009 4 16 54937 -0.1068 0.4673 -0.63505 2009 4 17 54938 -0.1047 0.4698 -0.63566 2009 4 18 54939 -0.1026 0.4724 -0.63644 2009 4 19 54940 -0.1004 0.4749 -0.63746 2009 4 20 54941 -0.0982 0.4773 -0.63872 2009 4 21 54942 -0.0960 0.4797 -0.64018 2009 4 22 54943 -0.0937 0.4821 -0.64177 2009 4 23 54944 -0.0914 0.4845 -0.64341 2009 4 24 54945 -0.0891 0.4868 -0.64497 2009 4 25 54946 -0.0867 0.4891 -0.64638 2009 4 26 54947 -0.0843 0.4913 -0.64751 2009 4 27 54948 -0.0818 0.4936 -0.64838 2009 4 28 54949 -0.0794 0.4957 -0.64910 2009 4 29 54950 -0.0768 0.4979 -0.64977 2009 4 30 54951 -0.0743 0.5000 -0.65047 2009 5 1 54952 -0.0717 0.5020 -0.65130 2009 5 2 54953 -0.0691 0.5040 -0.65233 2009 5 3 54954 -0.0664 0.5060 -0.65354 2009 5 4 54955 -0.0637 0.5080 -0.65493 2009 5 5 54956 -0.0610 0.5099 -0.65636 2009 5 6 54957 -0.0583 0.5117 -0.65773 2009 5 7 54958 -0.0555 0.5135 -0.65895 2009 5 8 54959 -0.0527 0.5153 -0.65996 2009 5 9 54960 -0.0499 0.5170 -0.66076 2009 5 10 54961 -0.0470 0.5187 -0.66137 2009 5 11 54962 -0.0441 0.5204 -0.66184 2009 5 12 54963 -0.0412 0.5220 -0.66220 2009 5 13 54964 -0.0383 0.5235 -0.66258 2009 5 14 54965 -0.0353 0.5250 -0.66302 2009 5 15 54966 -0.0323 0.5265 -0.66358 2009 5 16 54967 -0.0293 0.5279 -0.66435 2009 5 17 54968 -0.0263 0.5293 -0.66528 2009 5 18 54969 -0.0233 0.5306 -0.66635 2009 5 19 54970 -0.0202 0.5319 -0.66750 2009 5 20 54971 -0.0171 0.5331 -0.66876 2009 5 21 54972 -0.0140 0.5343 -0.67006 2009 5 22 54973 -0.0109 0.5354 -0.67125 2009 5 23 54974 -0.0078 0.5365 -0.67227 2009 5 24 54975 -0.0046 0.5376 -0.67310 2009 5 25 54976 -0.0014 0.5385 -0.67378 2009 5 26 54977 0.0017 0.5395 -0.67435 2009 5 27 54978 0.0049 0.5404 -0.67494 2009 5 28 54979 0.0081 0.5412 -0.67567 2009 5 29 54980 0.0113 0.5420 -0.67665 2009 5 30 54981 0.0146 0.5428 -0.67781 2009 5 31 54982 0.0178 0.5435 -0.67907 2009 6 1 54983 0.0211 0.5441 -0.68031 2009 6 2 54984 0.0243 0.5447 -0.68143 2009 6 3 54985 0.0276 0.5453 -0.68235 2009 6 4 54986 0.0308 0.5458 -0.68302 2009 6 5 54987 0.0341 0.5463 -0.68345 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) 54607 -57.02 .37 -8.90 .16 54608 -57.05 .37 -8.89 .16 54609 -56.99 .37 -8.77 .16 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 54607 0.225 0.147 -0.265 0.160 54608 0.239 0.147 -0.261 0.160 54609 0.261 0.147 -0.263 0.160 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.