********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 27 October 2005 Vol. XVIII No. 043 ______________________________________________________________________ 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 17 March 2005 at 0000 UTC Beginning 1 January 1999: TAI-UTC(BIPM) = 32.000 000 seconds ********************************************************************** * >>> A positive leap second will be introduced in UTC on <<< * * >>> 31 December 2005. <<< * * * * See notice at the end of this Bulletin A for more details. * ********************************************************************** ________________________________________________________________________ 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 5 10 21 53664 .07108 .00003 .40665 .00003 -.619547 .000023 5 10 22 53665 .07107 .00004 .40609 .00003 -.619752 .000023 5 10 23 53666 .07096 .00004 .40544 .00003 -.619876 .000024 5 10 24 53667 .07091 .00004 .40485 .00003 -.620028 .000022 5 10 25 53668 .07088 .00003 .40425 .00002 -.620263 .000023 5 10 26 53669 .07063 .00003 .40352 .00003 -.620591 .000022 5 10 27 53670 .06998 .00004 .40264 .00002 -.621107 .000013 _______________________________________________________________________ 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 = .0435 + .0679 cos A - .0802 sin A - .0366 cos C + .1369 sin C y = .3481 - .0785 cos A - .0708 sin A + .1369 cos C + .0366 sin C UT1-UTC = -.6428 - .00043 (MJD - 53675) - (UT2-UT1) where A = 2*pi*(MJD-53670)/365.25 and C = 2*pi*(MJD-53670)/435. TAI-UTC(MJD 53671) = 32.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-53670)**0.80 S t = 0.00025 (MJD-53670)**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) 2005 10 28 53671 0.0693 0.4018 -0.62187 2005 10 29 53672 0.0688 0.4010 -0.62281 2005 10 30 53673 0.0684 0.4002 -0.62388 2005 10 31 53674 0.0681 0.3995 -0.62503 2005 11 1 53675 0.0679 0.3989 -0.62614 2005 11 2 53676 0.0677 0.3983 -0.62712 2005 11 3 53677 0.0677 0.3977 -0.62789 2005 11 4 53678 0.0677 0.3972 -0.62841 2005 11 5 53679 0.0678 0.3966 -0.62872 2005 11 6 53680 0.0679 0.3961 -0.62894 2005 11 7 53681 0.0681 0.3956 -0.62917 2005 11 8 53682 0.0684 0.3951 -0.62953 2005 11 9 53683 0.0687 0.3946 -0.63011 2005 11 10 53684 0.0690 0.3942 -0.63093 2005 11 11 53685 0.0694 0.3937 -0.63197 2005 11 12 53686 0.0698 0.3932 -0.63316 2005 11 13 53687 0.0702 0.3927 -0.63438 2005 11 14 53688 0.0707 0.3922 -0.63547 2005 11 15 53689 0.0711 0.3917 -0.63633 2005 11 16 53690 0.0716 0.3913 -0.63690 2005 11 17 53691 0.0722 0.3908 -0.63720 2005 11 18 53692 0.0727 0.3903 -0.63729 2005 11 19 53693 0.0732 0.3898 -0.63727 2005 11 20 53694 0.0738 0.3892 -0.63723 2005 11 21 53695 0.0744 0.3887 -0.63728 2005 11 22 53696 0.0749 0.3882 -0.63748 2005 11 23 53697 0.0755 0.3877 -0.63786 2005 11 24 53698 0.0761 0.3871 -0.63844 2005 11 25 53699 0.0767 0.3866 -0.63919 2005 11 26 53700 0.0773 0.3861 -0.64007 2005 11 27 53701 0.0778 0.3855 -0.64102 2005 11 28 53702 0.0784 0.3850 -0.64197 2005 11 29 53703 0.0790 0.3844 -0.64283 2005 11 30 53704 0.0796 0.3838 -0.64352 2005 12 1 53705 0.0802 0.3833 -0.64400 2005 12 2 53706 0.0808 0.3827 -0.64425 2005 12 3 53707 0.0813 0.3821 -0.64434 2005 12 4 53708 0.0819 0.3815 -0.64439 2005 12 5 53709 0.0824 0.3809 -0.64455 2005 12 6 53710 0.0830 0.3803 -0.64494 2005 12 7 53711 0.0835 0.3797 -0.64560 2005 12 8 53712 0.0841 0.3791 -0.64652 2005 12 9 53713 0.0846 0.3785 -0.64760 2005 12 10 53714 0.0851 0.3779 -0.64872 2005 12 11 53715 0.0856 0.3773 -0.64976 2005 12 12 53716 0.0861 0.3767 -0.65060 2005 12 13 53717 0.0866 0.3761 -0.65120 2005 12 14 53718 0.0871 0.3755 -0.65155 2005 12 15 53719 0.0876 0.3748 -0.65170 2005 12 16 53720 0.0880 0.3742 -0.65171 2005 12 17 53721 0.0885 0.3736 -0.65168 2005 12 18 53722 0.0889 0.3729 -0.65171 2005 12 19 53723 0.0894 0.3723 -0.65185 2005 12 20 53724 0.0898 0.3716 -0.65216 2005 12 21 53725 0.0902 0.3710 -0.65264 2005 12 22 53726 0.0906 0.3703 -0.65328 2005 12 23 53727 0.0910 0.3697 -0.65404 2005 12 24 53728 0.0913 0.3691 -0.65487 2005 12 25 53729 0.0917 0.3684 -0.65570 2005 12 26 53730 0.0920 0.3678 -0.65648 2005 12 27 53731 0.0924 0.3671 -0.65712 2005 12 28 53732 0.0927 0.3665 -0.65758 2005 12 29 53733 0.0930 0.3658 -0.65783 2005 12 30 53734 0.0933 0.3651 -0.65792 2005 12 31 53735 0.0936 0.3645 -0.65794 2006 1 1 53736 0.0939 0.3638 0.34197 2006 1 2 53737 0.0941 0.3632 0.34167 2006 1 3 53738 0.0944 0.3625 0.34108 2006 1 4 53739 0.0946 0.3618 0.34021 2006 1 5 53740 0.0948 0.3612 0.33914 2006 1 6 53741 0.0950 0.3605 0.33801 2006 1 7 53742 0.0952 0.3598 0.33698 2006 1 8 53743 0.0954 0.3592 0.33615 2006 1 9 53744 0.0956 0.3585 0.33558 2006 1 10 53745 0.0957 0.3579 0.33527 2006 1 11 53746 0.0959 0.3572 0.33519 2006 1 12 53747 0.0960 0.3565 0.33526 2006 1 13 53748 0.0961 0.3559 0.33538 2006 1 14 53749 0.0962 0.3552 0.33548 2006 1 15 53750 0.0963 0.3546 0.33548 2006 1 16 53751 0.0964 0.3539 0.33533 2006 1 17 53752 0.0965 0.3533 0.33500 2006 1 18 53753 0.0965 0.3526 0.33450 2006 1 19 53754 0.0966 0.3520 0.33387 2006 1 20 53755 0.0966 0.3514 0.33315 2006 1 21 53756 0.0966 0.3507 0.33241 2006 1 22 53757 0.0966 0.3501 0.33170 2006 1 23 53758 0.0966 0.3495 0.33109 2006 1 24 53759 0.0966 0.3488 0.33063 2006 1 25 53760 0.0966 0.3482 0.33035 2006 1 26 53761 0.0965 0.3476 0.33022 2006 1 27 53762 0.0965 0.3470 0.33019 2006 1 28 53763 0.0964 0.3464 0.33011 2006 1 29 53764 0.0963 0.3458 0.32985 2006 1 30 53765 0.0962 0.3452 0.32928 2006 1 31 53766 0.0961 0.3446 0.32837 2006 2 1 53767 0.0960 0.3440 0.32718 2006 2 2 53768 0.0959 0.3434 0.32586 2006 2 3 53769 0.0957 0.3429 0.32458 2006 2 4 53770 0.0956 0.3423 0.32349 2006 2 5 53771 0.0954 0.3417 0.32268 2006 2 6 53772 0.0953 0.3412 0.32216 2006 2 7 53773 0.0951 0.3406 0.32188 2006 2 8 53774 0.0949 0.3401 0.32177 2006 2 9 53775 0.0947 0.3395 0.32173 2006 2 10 53776 0.0945 0.3390 0.32171 2006 2 11 53777 0.0943 0.3385 0.32160 2006 2 12 53778 0.0940 0.3380 0.32135 2006 2 13 53779 0.0938 0.3375 0.32091 2006 2 14 53780 0.0936 0.3370 0.32029 2006 2 15 53781 0.0933 0.3365 0.31951 2006 2 16 53782 0.0930 0.3360 0.31863 2006 2 17 53783 0.0928 0.3355 0.31771 2006 2 18 53784 0.0925 0.3350 0.31681 2006 2 19 53785 0.0922 0.3346 0.31600 2006 2 20 53786 0.0919 0.3341 0.31533 2006 2 21 53787 0.0919 0.3337 0.31484 2006 2 22 53788 0.0916 0.3332 0.31451 2006 2 23 53789 0.0913 0.3328 0.31429 2006 2 24 53790 0.0909 0.3324 0.31410 2006 2 25 53791 0.0906 0.3320 0.31377 2006 2 26 53792 0.0902 0.3316 0.31318 2006 2 27 53793 0.0899 0.3312 0.31223 2006 2 28 53794 0.0895 0.3308 0.31094 2006 3 1 53795 0.0892 0.3305 0.30942 2006 3 2 53796 0.0888 0.3301 0.30784 2006 3 3 53797 0.0885 0.3297 0.30639 2006 3 4 53798 0.0881 0.3294 0.30521 2006 3 5 53799 0.0877 0.3291 0.30436 2006 3 6 53800 0.0874 0.3287 0.30380 2006 3 7 53801 0.0870 0.3284 0.30346 2006 3 8 53802 0.0866 0.3281 0.30322 2006 3 9 53803 0.0862 0.3278 0.30299 2006 3 10 53804 0.0858 0.3275 0.30268 2006 3 11 53805 0.0855 0.3273 0.30224 2006 3 12 53806 0.0851 0.3270 0.30163 2006 3 13 53807 0.0847 0.3267 0.30083 2006 3 14 53808 0.0843 0.3265 0.29987 2006 3 15 53809 0.0839 0.3262 0.29878 2006 3 16 53810 0.0835 0.3260 0.29764 2006 3 17 53811 0.0832 0.3258 0.29652 2006 3 18 53812 0.0828 0.3256 0.29547 2006 3 19 53813 0.0824 0.3254 0.29457 2006 3 20 53814 0.0820 0.3252 0.29384 2006 3 21 53815 0.0816 0.3250 0.29329 2006 3 22 53816 0.0813 0.3248 0.29287 2006 3 23 53817 0.0809 0.3246 0.29252 2006 3 24 53818 0.0805 0.3245 0.29209 2006 3 25 53819 0.0802 0.3243 0.29147 2006 3 26 53820 0.0798 0.3242 0.29054 2006 3 27 53821 0.0794 0.3240 0.28925 2006 3 28 53822 0.0791 0.3239 0.28767 2006 3 29 53823 0.0787 0.3238 0.28594 2006 3 30 53824 0.0784 0.3237 0.28424 2006 3 31 53825 0.0780 0.3236 0.28275 2006 4 1 53826 0.0777 0.3235 0.28158 2006 4 2 53827 0.0774 0.3234 0.28074 2006 4 3 53828 0.0770 0.3233 0.28017 2006 4 4 53829 0.0767 0.3232 0.27976 2006 4 5 53830 0.0764 0.3231 0.27941 2006 4 6 53831 0.0761 0.3231 0.27902 2006 4 7 53832 0.0758 0.3230 0.27851 2006 4 8 53833 0.0755 0.3229 0.27785 2006 4 9 53834 0.0752 0.3229 0.27702 2006 4 10 53835 0.0749 0.3228 0.27602 2006 4 11 53836 0.0747 0.3228 0.27490 2006 4 12 53837 0.0744 0.3228 0.27371 2006 4 13 53838 0.0741 0.3227 0.27253 2006 4 14 53839 0.0739 0.3227 0.27141 2006 4 15 53840 0.0736 0.3227 0.27044 2006 4 16 53841 0.0734 0.3227 0.26965 2006 4 17 53842 0.0732 0.3226 0.26906 2006 4 18 53843 0.0729 0.3226 0.26863 2006 4 19 53844 0.0727 0.3226 0.26830 2006 4 20 53845 0.0725 0.3226 0.26796 2006 4 21 53846 0.0723 0.3226 0.26748 2006 4 22 53847 0.0722 0.3226 0.26677 2006 4 23 53848 0.0720 0.3226 0.26575 2006 4 24 53849 0.0718 0.3226 0.26444 2006 4 25 53850 0.0716 0.3226 0.26292 2006 4 26 53851 0.0715 0.3226 0.26137 2006 4 27 53852 0.0714 0.3226 0.25995 2006 4 28 53853 0.0712 0.3226 0.25881 2006 4 29 53854 0.0711 0.3226 0.25799 2006 4 30 53855 0.0710 0.3226 0.25747 2006 5 1 53856 0.0709 0.3226 0.25717 2006 5 2 53857 0.0708 0.3226 0.25697 2006 5 3 53858 0.0707 0.3226 0.25674 2006 5 4 53859 0.0706 0.3226 0.25640 2006 5 5 53860 0.0705 0.3226 0.25590 2006 5 6 53861 0.0704 0.3226 0.25521 2006 5 7 53862 0.0703 0.3226 0.25436 2006 5 8 53863 0.0702 0.3226 0.25336 2006 5 9 53864 0.0702 0.3225 0.25229 2006 5 10 53865 0.0701 0.3225 0.25121 2006 5 11 53866 0.0700 0.3225 0.25020 2006 5 12 53867 0.0700 0.3224 0.24934 2006 5 13 53868 0.0699 0.3224 0.24869 2006 5 14 53869 0.0699 0.3224 0.24828 2006 5 15 53870 0.0698 0.3223 0.24808 2006 5 16 53871 0.0698 0.3223 0.24805 2006 5 17 53872 0.0698 0.3222 0.24807 2006 5 18 53873 0.0698 0.3221 0.24803 2006 5 19 53874 0.0698 0.3221 0.24783 2006 5 20 53875 0.0698 0.3220 0.24742 2006 5 21 53876 0.0698 0.3219 0.24679 2006 5 22 53877 0.0698 0.3218 0.24603 2006 5 23 53878 0.0698 0.3217 0.24526 2006 5 24 53879 0.0698 0.3216 0.24463 2006 5 25 53880 0.0698 0.3215 0.24428 2006 5 26 53881 0.0698 0.3214 0.24427 2006 5 27 53882 0.0699 0.3213 0.24458 2006 5 28 53883 0.0699 0.3212 0.24515 2006 5 29 53884 0.0699 0.3211 0.24591 2006 5 30 53885 0.0700 0.3209 0.24672 2006 5 31 53886 0.0700 0.3208 0.24746 2006 6 1 53887 0.0701 0.3206 0.24810 2006 6 2 53888 0.0701 0.3205 0.24861 2006 6 3 53889 0.0702 0.3203 0.24901 2006 6 4 53890 0.0702 0.3201 0.24927 2006 6 5 53891 0.0702 0.3199 0.24941 2006 6 6 53892 0.0703 0.3197 0.24947 2006 6 7 53893 0.0703 0.3195 0.24954 2006 6 8 53894 0.0704 0.3193 0.24970 2006 6 9 53895 0.0704 0.3191 0.25002 2006 6 10 53896 0.0705 0.3189 0.25053 2006 6 11 53897 0.0705 0.3186 0.25125 2006 6 12 53898 0.0706 0.3184 0.25216 2006 6 13 53899 0.0706 0.3181 0.25319 2006 6 14 53900 0.0706 0.3179 0.25420 2006 6 15 53901 0.0707 0.3176 0.25501 2006 6 16 53902 0.0707 0.3173 0.25552 2006 6 17 53903 0.0707 0.3170 0.25577 2006 6 18 53904 0.0707 0.3167 0.25585 2006 6 19 53905 0.0707 0.3164 0.25582 2006 6 20 53906 0.0708 0.3161 0.25580 2006 6 21 53907 0.0708 0.3158 0.25587 2006 6 22 53908 0.0707 0.3155 0.25613 2006 6 23 53909 0.0707 0.3151 0.25664 2006 6 24 53910 0.0707 0.3148 0.25741 2006 6 25 53911 0.0707 0.3144 0.25839 2006 6 26 53912 0.0707 0.3141 0.25937 2006 6 27 53913 0.0706 0.3137 0.26017 2006 6 28 53914 0.0706 0.3133 0.26072 2006 6 29 53915 0.0705 0.3130 0.26099 2006 6 30 53916 0.0704 0.3126 0.26098 2006 7 1 53917 0.0704 0.3122 0.26076 2006 7 2 53918 0.0703 0.3118 0.26047 2006 7 3 53919 0.0702 0.3114 0.26015 2006 7 4 53920 0.0701 0.3110 0.25985 2006 7 5 53921 0.0699 0.3106 0.25967 2006 7 6 53922 0.0698 0.3101 0.25964 2006 7 7 53923 0.0697 0.3097 0.25974 2006 7 8 53924 0.0695 0.3093 0.26009 2006 7 9 53925 0.0693 0.3088 0.26062 2006 7 10 53926 0.0692 0.3084 0.26124 2006 7 11 53927 0.0690 0.3080 0.26182 2006 7 12 53928 0.0688 0.3075 0.26222 2006 7 13 53929 0.0685 0.3070 0.26236 2006 7 14 53930 0.0683 0.3066 0.26224 2006 7 15 53931 0.0681 0.3061 0.26196 2006 7 16 53932 0.0678 0.3057 0.26167 2006 7 17 53933 0.0675 0.3052 0.26141 2006 7 18 53934 0.0672 0.3047 0.26130 2006 7 19 53935 0.0669 0.3043 0.26139 2006 7 20 53936 0.0666 0.3038 0.26176 2006 7 21 53937 0.0662 0.3033 0.26237 2006 7 22 53938 0.0659 0.3029 0.26320 2006 7 23 53939 0.0655 0.3024 0.26417 2006 7 24 53940 0.0651 0.3019 0.26517 2006 7 25 53941 0.0647 0.3015 0.26611 2006 7 26 53942 0.0643 0.3010 0.26688 2006 7 27 53943 0.0639 0.3005 0.26744 2006 7 28 53944 0.0634 0.3001 0.26790 2006 7 29 53945 0.0629 0.2996 0.26837 2006 7 30 53946 0.0625 0.2991 0.26879 2006 7 31 53947 0.0620 0.2987 0.26923 2006 8 1 53948 0.0614 0.2982 0.26974 2006 8 2 53949 0.0609 0.2978 0.27041 2006 8 3 53950 0.0603 0.2973 0.27124 2006 8 4 53951 0.0598 0.2969 0.27221 2006 8 5 53952 0.0592 0.2964 0.27326 2006 8 6 53953 0.0586 0.2960 0.27438 2006 8 7 53954 0.0580 0.2956 0.27547 2006 8 8 53955 0.0573 0.2952 0.27638 2006 8 9 53956 0.0567 0.2948 0.27694 2006 8 10 53957 0.0560 0.2944 0.27708 2006 8 11 53958 0.0553 0.2940 0.27682 2006 8 12 53959 0.0546 0.2936 0.27631 2006 8 13 53960 0.0539 0.2932 0.27575 2006 8 14 53961 0.0531 0.2928 0.27536 2006 8 15 53962 0.0524 0.2925 0.27521 2006 8 16 53963 0.0516 0.2921 0.27537 2006 8 17 53964 0.0508 0.2918 0.27585 2006 8 18 53965 0.0500 0.2914 0.27654 2006 8 19 53966 0.0492 0.2911 0.27733 2006 8 20 53967 0.0484 0.2908 0.27808 2006 8 21 53968 0.0476 0.2905 0.27872 2006 8 22 53969 0.0467 0.2902 0.27922 2006 8 23 53970 0.0458 0.2899 0.27958 2006 8 24 53971 0.0449 0.2897 0.27975 2006 8 25 53972 0.0440 0.2894 0.27983 2006 8 26 53973 0.0431 0.2892 0.27988 2006 8 27 53974 0.0422 0.2890 0.27993 2006 8 28 53975 0.0413 0.2888 0.27998 2006 8 29 53976 0.0403 0.2886 0.28013 2006 8 30 53977 0.0394 0.2884 0.28043 2006 8 31 53978 0.0384 0.2882 0.28091 2006 9 1 53979 0.0374 0.2881 0.28152 2006 9 2 53980 0.0364 0.2880 0.28225 2006 9 3 53981 0.0354 0.2879 0.28304 2006 9 4 53982 0.0344 0.2878 0.28374 2006 9 5 53983 0.0334 0.2877 0.28414 2006 9 6 53984 0.0323 0.2876 0.28418 2006 9 7 53985 0.0313 0.2876 0.28385 2006 9 8 53986 0.0302 0.2875 0.28322 2006 9 9 53987 0.0292 0.2875 0.28241 2006 9 10 53988 0.0281 0.2875 0.28160 2006 9 11 53989 0.0270 0.2875 0.28102 2006 9 12 53990 0.0259 0.2876 0.28080 2006 9 13 53991 0.0248 0.2876 0.28084 2006 9 14 53992 0.0238 0.2877 0.28110 2006 9 15 53993 0.0227 0.2878 0.28153 2006 9 16 53994 0.0215 0.2879 0.28196 2006 9 17 53995 0.0204 0.2881 0.28230 2006 9 18 53996 0.0193 0.2882 0.28246 2006 9 19 53997 0.0182 0.2884 0.28244 2006 9 20 53998 0.0171 0.2886 0.28228 2006 9 21 53999 0.0160 0.2888 0.28196 2006 9 22 54000 0.0149 0.2891 0.28151 2006 9 23 54001 0.0137 0.2893 0.28100 2006 9 24 54002 0.0126 0.2896 0.28056 2006 9 25 54003 0.0115 0.2899 0.28018 2006 9 26 54004 0.0104 0.2902 0.27994 2006 9 27 54005 0.0093 0.2905 0.27990 2006 9 28 54006 0.0081 0.2909 0.28003 2006 9 29 54007 0.0070 0.2913 0.28031 2006 9 30 54008 0.0059 0.2917 0.28066 2006 10 1 54009 0.0048 0.2921 0.28093 2006 10 2 54010 0.0037 0.2925 0.28103 2006 10 3 54011 0.0026 0.2930 0.28091 2006 10 4 54012 0.0015 0.2935 0.28040 2006 10 5 54013 0.0004 0.2940 0.27954 2006 10 6 54014 -0.0007 0.2945 0.27844 2006 10 7 54015 -0.0018 0.2950 0.27726 2006 10 8 54016 -0.0029 0.2956 0.27619 2006 10 9 54017 -0.0039 0.2962 0.27542 2006 10 10 54018 -0.0050 0.2968 0.27497 2006 10 11 54019 -0.0060 0.2974 0.27484 2006 10 12 54020 -0.0071 0.2980 0.27492 2006 10 13 54021 -0.0081 0.2987 0.27504 2006 10 14 54022 -0.0091 0.2994 0.27513 2006 10 15 54023 -0.0101 0.3001 0.27507 2006 10 16 54024 -0.0112 0.3008 0.27484 2006 10 17 54025 -0.0121 0.3015 0.27443 2006 10 18 54026 -0.0131 0.3023 0.27384 2006 10 19 54027 -0.0141 0.3031 0.27313 2006 10 20 54028 -0.0150 0.3039 0.27231 2006 10 21 54029 -0.0160 0.3047 0.27148 2006 10 22 54030 -0.0169 0.3055 0.27078 2006 10 23 54031 -0.0178 0.3063 0.27023 2006 10 24 54032 -0.0187 0.3072 0.26986 2006 10 25 54033 -0.0196 0.3081 0.26971 2006 10 26 54034 -0.0205 0.3090 0.26975 2006 10 27 54035 -0.0213 0.3099 0.26991 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) 53655 -61.95 .33 -4.34 .34 53656 -61.52 .33 -4.12 .34 53657 -61.46 .33 -3.80 .34 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 53655 0.328 0.131 -0.088 0.340 53656 0.328 0.131 -0.079 0.340 53657 0.325 0.131 -0.096 0.340 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. ************************************************************************** Important Notices - Important Notices - Important Notices ************************************************************************** No leap second was introduced in UTC on 30 June 2005. On 04 July 2005, the annoucement was made that a positive leap second will be introduced in UTC on 31 December 2005. The sequence of dates of the UTC second markers will be: 2005 December 31, 23h 59m 59s 2005 December 31, 23h 59m 60s 2006 January 1, 0h 0m 0s The difference between UTC and the International Atomic Time (TAI) is: from 1999 January 1, 0h UTC, to 2006 January 1 0h UTC : UTC-TAI = - 32s from 2006 January 1, 0h UTC, until further notice : UTC-TAI = - 33s ************************************************************************** Important Notice - IAU 2000 Resolution Compliancy Information ************************************************************************** Resolutions passed at the 24th General Assembly of the International Astronomical Union (IAU) recommend the implementation of a number of new procedures concerning the transformation between the celestial and terrestrial reference systems. Information regarding these procedures is available in Chapter 5 of the IERS Conventions 2003 available at . With these resolutions, beginning on 1 January 2003, IERS Bulletins A and B will publish new products in addition to those already published. These products will include the celestial pole offsets X_obs-X_IAU2000A and Y_obs-Y_IAU2000A where X_obs and Y_obs are the observed X, Y coordinates of the Celestial Intermediate Pole in the Geocentric Celestial Reference System, and X_IAU2000A and Y_IAU2000A are the celestial pole coordinates provided by using the IAU2000A Precession-Nutation theory. It is expected that Celestial Pole offsets related to the IAU1980 Nutation Theory will continue to be published through 30 September 2005. The new celestial pole offsets related to the new IAU2000A Precession-Nutation theory will be produced in a separate data file as well as appended to to this file. ************************************************************************** Important Notice - IAU 2000 Resolution Compliancy Information **************************************************************************