**********************************************************************
* *
* I E R S B U L L E T I N - A *
* *
* Rapid Service/Prediction of Earth Orientation *
**********************************************************************
29 September 2005 Vol. XVIII No. 039
______________________________________________________________________
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 9 23 53636 .05441 .00005 .41857 .00004 -.607731 .000025
5 9 24 53637 .05534 .00004 .41800 .00004 -.607817 .000025
5 9 25 53638 .05617 .00003 .41746 .00003 -.607694 .000025
5 9 26 53639 .05670 .00002 .41707 .00002 -.607486 .000025
5 9 27 53640 .05715 .00002 .41674 .00002 -.607324 .000022
5 9 28 53641 .05790 .00002 .41656 .00002 -.607249 .000017
5 9 29 53642 .05856 .00002 .41662 .00002 -.607388 .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 = .0462 + .0946 cos A - .0344 sin A - .0825 cos C + .1099 sin C
y = .3475 - .0333 cos A - .0953 sin A + .1099 cos C + .0825 sin C
UT1-UTC = -.6429 - .00042 (MJD - 53647) - (UT2-UT1)
where A = 2*pi*(MJD-53642)/365.25 and C = 2*pi*(MJD-53642)/435.
TAI-UTC(MJD 53643) = 32.0
The accuracy may be estimated from the expressions:
S x,y = 0.00068 (MJD-53642)**0.80 S t = 0.00025 (MJD-53642)**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 9 30 53643 0.0592 0.4167 -0.60781
2005 10 1 53644 0.0599 0.4167 -0.60845
2005 10 2 53645 0.0606 0.4166 -0.60925
2005 10 3 53646 0.0614 0.4164 -0.61015
2005 10 4 53647 0.0621 0.4162 -0.61106
2005 10 5 53648 0.0629 0.4159 -0.61191
2005 10 6 53649 0.0637 0.4156 -0.61263
2005 10 7 53650 0.0644 0.4153 -0.61315
2005 10 8 53651 0.0652 0.4149 -0.61343
2005 10 9 53652 0.0660 0.4145 -0.61356
2005 10 10 53653 0.0667 0.4141 -0.61366
2005 10 11 53654 0.0675 0.4136 -0.61388
2005 10 12 53655 0.0682 0.4132 -0.61432
2005 10 13 53656 0.0689 0.4127 -0.61507
2005 10 14 53657 0.0696 0.4122 -0.61615
2005 10 15 53658 0.0703 0.4117 -0.61749
2005 10 16 53659 0.0710 0.4112 -0.61898
2005 10 17 53660 0.0717 0.4107 -0.62046
2005 10 18 53661 0.0724 0.4101 -0.62177
2005 10 19 53662 0.0730 0.4096 -0.62278
2005 10 20 53663 0.0737 0.4091 -0.62348
2005 10 21 53664 0.0743 0.4085 -0.62388
2005 10 22 53665 0.0750 0.4080 -0.62408
2005 10 23 53666 0.0756 0.4074 -0.62419
2005 10 24 53667 0.0762 0.4069 -0.62431
2005 10 25 53668 0.0769 0.4063 -0.62454
2005 10 26 53669 0.0775 0.4058 -0.62492
2005 10 27 53670 0.0781 0.4052 -0.62550
2005 10 28 53671 0.0787 0.4047 -0.62628
2005 10 29 53672 0.0793 0.4041 -0.62723
2005 10 30 53673 0.0798 0.4035 -0.62832
2005 10 31 53674 0.0804 0.4030 -0.62947
2005 11 1 53675 0.0810 0.4024 -0.63062
2005 11 2 53676 0.0816 0.4018 -0.63166
2005 11 3 53677 0.0821 0.4012 -0.63253
2005 11 4 53678 0.0827 0.4007 -0.63318
2005 11 5 53679 0.0832 0.4001 -0.63367
2005 11 6 53680 0.0837 0.3995 -0.63406
2005 11 7 53681 0.0843 0.3989 -0.63448
2005 11 8 53682 0.0848 0.3983 -0.63505
2005 11 9 53683 0.0853 0.3977 -0.63587
2005 11 10 53684 0.0858 0.3971 -0.63696
2005 11 11 53685 0.0863 0.3965 -0.63829
2005 11 12 53686 0.0868 0.3959 -0.63978
2005 11 13 53687 0.0873 0.3953 -0.64128
2005 11 14 53688 0.0878 0.3947 -0.64265
2005 11 15 53689 0.0883 0.3941 -0.64379
2005 11 16 53690 0.0888 0.3935 -0.64464
2005 11 17 53691 0.0892 0.3928 -0.64522
2005 11 18 53692 0.0897 0.3922 -0.64558
2005 11 19 53693 0.0901 0.3916 -0.64581
2005 11 20 53694 0.0906 0.3910 -0.64601
2005 11 21 53695 0.0910 0.3903 -0.64627
2005 11 22 53696 0.0915 0.3897 -0.64665
2005 11 23 53697 0.0919 0.3890 -0.64719
2005 11 24 53698 0.0923 0.3884 -0.64790
2005 11 25 53699 0.0927 0.3877 -0.64877
2005 11 26 53700 0.0931 0.3871 -0.64977
2005 11 27 53701 0.0935 0.3864 -0.65082
2005 11 28 53702 0.0939 0.3858 -0.65187
2005 11 29 53703 0.0943 0.3850 -0.65282
2005 11 30 53704 0.0947 0.3844 -0.65361
2005 12 1 53705 0.0951 0.3837 -0.65418
2005 12 2 53706 0.0954 0.3830 -0.65454
2005 12 3 53707 0.0958 0.3824 -0.65475
2005 12 4 53708 0.0962 0.3817 -0.65494
2005 12 5 53709 0.0965 0.3810 -0.65524
2005 12 6 53710 0.0968 0.3803 -0.65575
2005 12 7 53711 0.0972 0.3796 -0.65652
2005 12 8 53712 0.0975 0.3789 -0.65754
2005 12 9 53713 0.0978 0.3782 -0.65871
2005 12 10 53714 0.0981 0.3775 -0.65991
2005 12 11 53715 0.0984 0.3768 -0.66100
2005 12 12 53716 0.0987 0.3761 -0.66189
2005 12 13 53717 0.0990 0.3754 -0.66252
2005 12 14 53718 0.0992 0.3747 -0.66289
2005 12 15 53719 0.0995 0.3739 -0.66305
2005 12 16 53720 0.0998 0.3732 -0.66307
2005 12 17 53721 0.1000 0.3725 -0.66305
2005 12 18 53722 0.1002 0.3718 -0.66308
2005 12 19 53723 0.1005 0.3710 -0.66321
2005 12 20 53724 0.1007 0.3703 -0.66350
2005 12 21 53725 0.1009 0.3696 -0.66395
2005 12 22 53726 0.1011 0.3689 -0.66457
2005 12 23 53727 0.1013 0.3681 -0.66532
2005 12 24 53728 0.1015 0.3674 -0.66614
2005 12 25 53729 0.1016 0.3666 -0.66697
2005 12 26 53730 0.1018 0.3659 -0.66775
2005 12 27 53731 0.1019 0.3652 -0.66840
2005 12 28 53732 0.1021 0.3644 -0.66886
2005 12 29 53733 0.1022 0.3637 -0.66912
2005 12 30 53734 0.1023 0.3629 -0.66922
2005 12 31 53735 0.1025 0.3622 -0.66924
2006 1 1 53736 0.1026 0.3615 0.33067
2006 1 2 53737 0.1026 0.3607 0.33038
2006 1 3 53738 0.1027 0.3600 0.32980
2006 1 4 53739 0.1028 0.3592 0.32895
2006 1 5 53740 0.1029 0.3585 0.32791
2006 1 6 53741 0.1029 0.3578 0.32682
2006 1 7 53742 0.1029 0.3570 0.32584
2006 1 8 53743 0.1030 0.3563 0.32506
2006 1 9 53744 0.1030 0.3556 0.32456
2006 1 10 53745 0.1030 0.3548 0.32432
2006 1 11 53746 0.1030 0.3541 0.32432
2006 1 12 53747 0.1030 0.3534 0.32447
2006 1 13 53748 0.1030 0.3526 0.32464
2006 1 14 53749 0.1029 0.3519 0.32479
2006 1 15 53750 0.1029 0.3512 0.32485
2006 1 16 53751 0.1028 0.3505 0.32474
2006 1 17 53752 0.1028 0.3498 0.32447
2006 1 18 53753 0.1027 0.3491 0.32402
2006 1 19 53754 0.1026 0.3484 0.32343
2006 1 20 53755 0.1025 0.3477 0.32275
2006 1 21 53756 0.1024 0.3470 0.32204
2006 1 22 53757 0.1023 0.3463 0.32137
2006 1 23 53758 0.1021 0.3456 0.32080
2006 1 24 53759 0.1020 0.3449 0.32038
2006 1 25 53760 0.1018 0.3442 0.32014
2006 1 26 53761 0.1017 0.3436 0.32006
2006 1 27 53762 0.1015 0.3429 0.32007
2006 1 28 53763 0.1013 0.3422 0.32004
2006 1 29 53764 0.1011 0.3416 0.31983
2006 1 30 53765 0.1009 0.3409 0.31932
2006 1 31 53766 0.1007 0.3403 0.31846
2006 2 1 53767 0.1005 0.3397 0.31732
2006 2 2 53768 0.1002 0.3390 0.31605
2006 2 3 53769 0.1000 0.3384 0.31482
2006 2 4 53770 0.0997 0.3378 0.31378
2006 2 5 53771 0.0995 0.3372 0.31302
2006 2 6 53772 0.0992 0.3366 0.31255
2006 2 7 53773 0.0989 0.3360 0.31233
2006 2 8 53774 0.0986 0.3354 0.31226
2006 2 9 53775 0.0983 0.3349 0.31227
2006 2 10 53776 0.0980 0.3343 0.31226
2006 2 11 53777 0.0977 0.3338 0.31215
2006 2 12 53778 0.0974 0.3332 0.31189
2006 2 13 53779 0.0971 0.3327 0.31144
2006 2 14 53780 0.0967 0.3321 0.31081
2006 2 15 53781 0.0964 0.3316 0.31002
2006 2 16 53782 0.0960 0.3311 0.30912
2006 2 17 53783 0.0957 0.3306 0.30818
2006 2 18 53784 0.0953 0.3301 0.30725
2006 2 19 53785 0.0949 0.3297 0.30642
2006 2 20 53786 0.0946 0.3292 0.30572
2006 2 21 53787 0.0942 0.3287 0.30519
2006 2 22 53788 0.0938 0.3283 0.30482
2006 2 23 53789 0.0934 0.3278 0.30457
2006 2 24 53790 0.0930 0.3274 0.30434
2006 2 25 53791 0.0926 0.3270 0.30398
2006 2 26 53792 0.0922 0.3266 0.30335
2006 2 27 53793 0.0917 0.3262 0.30237
2006 2 28 53794 0.0913 0.3258 0.30104
2006 3 1 53795 0.0909 0.3254 0.29949
2006 3 2 53796 0.0905 0.3251 0.29788
2006 3 3 53797 0.0900 0.3247 0.29641
2006 3 4 53798 0.0896 0.3244 0.29520
2006 3 5 53799 0.0892 0.3241 0.29433
2006 3 6 53800 0.0887 0.3237 0.29374
2006 3 7 53801 0.0883 0.3234 0.29337
2006 3 8 53802 0.0878 0.3231 0.29310
2006 3 9 53803 0.0874 0.3228 0.29285
2006 3 10 53804 0.0869 0.3226 0.29252
2006 3 11 53805 0.0865 0.3223 0.29205
2006 3 12 53806 0.0861 0.3220 0.29142
2006 3 13 53807 0.0856 0.3218 0.29060
2006 3 14 53808 0.0852 0.3216 0.28961
2006 3 15 53809 0.0847 0.3213 0.28851
2006 3 16 53810 0.0843 0.3211 0.28735
2006 3 17 53811 0.0838 0.3209 0.28620
2006 3 18 53812 0.0834 0.3207 0.28514
2006 3 19 53813 0.0829 0.3205 0.28423
2006 3 20 53814 0.0825 0.3204 0.28349
2006 3 21 53815 0.0820 0.3202 0.28294
2006 3 22 53816 0.0816 0.3201 0.28252
2006 3 23 53817 0.0812 0.3199 0.28217
2006 3 24 53818 0.0807 0.3198 0.28176
2006 3 25 53819 0.0803 0.3196 0.28116
2006 3 26 53820 0.0799 0.3195 0.28025
2006 3 27 53821 0.0794 0.3194 0.27899
2006 3 28 53822 0.0790 0.3193 0.27745
2006 3 29 53823 0.0786 0.3192 0.27575
2006 3 30 53824 0.0782 0.3192 0.27411
2006 3 31 53825 0.0778 0.3191 0.27268
2006 4 1 53826 0.0774 0.3190 0.27158
2006 4 2 53827 0.0770 0.3190 0.27082
2006 4 3 53828 0.0766 0.3189 0.27034
2006 4 4 53829 0.0762 0.3189 0.27004
2006 4 5 53830 0.0758 0.3188 0.26980
2006 4 6 53831 0.0755 0.3188 0.26953
2006 4 7 53832 0.0751 0.3188 0.26917
2006 4 8 53833 0.0747 0.3187 0.26868
2006 4 9 53834 0.0743 0.3187 0.26805
2006 4 10 53835 0.0740 0.3187 0.26731
2006 4 11 53836 0.0736 0.3187 0.26648
2006 4 12 53837 0.0732 0.3187 0.26563
2006 4 13 53838 0.0729 0.3187 0.26483
2006 4 14 53839 0.0725 0.3187 0.26414
2006 4 15 53840 0.0722 0.3187 0.26361
2006 4 16 53841 0.0719 0.3187 0.26327
2006 4 17 53842 0.0715 0.3187 0.26313
2006 4 18 53843 0.0712 0.3188 0.26314
2006 4 19 53844 0.0709 0.3188 0.26324
2006 4 20 53845 0.0706 0.3188 0.26331
2006 4 21 53846 0.0703 0.3188 0.26324
2006 4 22 53847 0.0700 0.3189 0.26293
2006 4 23 53848 0.0698 0.3189 0.26231
2006 4 24 53849 0.0695 0.3189 0.26140
2006 4 25 53850 0.0693 0.3190 0.26026
2006 4 26 53851 0.0690 0.3190 0.25904
2006 4 27 53852 0.0688 0.3191 0.25790
2006 4 28 53853 0.0685 0.3191 0.25698
2006 4 29 53854 0.0683 0.3191 0.25635
2006 4 30 53855 0.0681 0.3192 0.25599
2006 5 1 53856 0.0679 0.3192 0.25581
2006 5 2 53857 0.0677 0.3192 0.25565
2006 5 3 53858 0.0675 0.3193 0.25535
2006 5 4 53859 0.0673 0.3193 0.25485
2006 5 5 53860 0.0672 0.3194 0.25409
2006 5 6 53861 0.0670 0.3194 0.25311
2006 5 7 53862 0.0668 0.3194 0.25199
2006 5 8 53863 0.0667 0.3195 0.25076
2006 5 9 53864 0.0666 0.3195 0.24947
2006 5 10 53865 0.0664 0.3195 0.24820
2006 5 11 53866 0.0663 0.3195 0.24701
2006 5 12 53867 0.0662 0.3195 0.24591
2006 5 13 53868 0.0661 0.3196 0.24505
2006 5 14 53869 0.0660 0.3196 0.24443
2006 5 15 53870 0.0659 0.3196 0.24402
2006 5 16 53871 0.0658 0.3196 0.24374
2006 5 17 53872 0.0657 0.3196 0.24347
2006 5 18 53873 0.0657 0.3196 0.24314
2006 5 19 53874 0.0656 0.3195 0.24265
2006 5 20 53875 0.0655 0.3195 0.24199
2006 5 21 53876 0.0655 0.3195 0.24118
2006 5 22 53877 0.0654 0.3195 0.24018
2006 5 23 53878 0.0654 0.3194 0.23907
2006 5 24 53879 0.0653 0.3194 0.23800
2006 5 25 53880 0.0653 0.3193 0.23711
2006 5 26 53881 0.0653 0.3193 0.23653
2006 5 27 53882 0.0653 0.3192 0.23629
2006 5 28 53883 0.0652 0.3191 0.23639
2006 5 29 53884 0.0652 0.3191 0.23669
2006 5 30 53885 0.0652 0.3190 0.23710
2006 5 31 53886 0.0652 0.3189 0.23744
2006 6 1 53887 0.0652 0.3188 0.23762
2006 6 2 53888 0.0652 0.3187 0.23773
2006 6 3 53889 0.0652 0.3186 0.23783
2006 6 4 53890 0.0652 0.3184 0.23782
2006 6 5 53891 0.0652 0.3183 0.23776
2006 6 6 53892 0.0652 0.3182 0.23770
2006 6 7 53893 0.0652 0.3180 0.23774
2006 6 8 53894 0.0652 0.3179 0.23789
2006 6 9 53895 0.0652 0.3177 0.23819
2006 6 10 53896 0.0652 0.3175 0.23862
2006 6 11 53897 0.0652 0.3174 0.23922
2006 6 12 53898 0.0652 0.3172 0.23997
2006 6 13 53899 0.0652 0.3170 0.24073
2006 6 14 53900 0.0652 0.3168 0.24135
2006 6 15 53901 0.0652 0.3166 0.24170
2006 6 16 53902 0.0652 0.3164 0.24173
2006 6 17 53903 0.0652 0.3161 0.24146
2006 6 18 53904 0.0652 0.3159 0.24097
2006 6 19 53905 0.0652 0.3157 0.24043
2006 6 20 53906 0.0652 0.3154 0.23994
2006 6 21 53907 0.0651 0.3152 0.23964
2006 6 22 53908 0.0651 0.3149 0.23964
2006 6 23 53909 0.0651 0.3146 0.23997
2006 6 24 53910 0.0650 0.3144 0.24057
2006 6 25 53911 0.0650 0.3141 0.24131
2006 6 26 53912 0.0650 0.3138 0.24213
2006 6 27 53913 0.0649 0.3135 0.24293
2006 6 28 53914 0.0648 0.3132 0.24368
2006 6 29 53915 0.0648 0.3129 0.24427
2006 6 30 53916 0.0647 0.3125 0.24475
2006 7 1 53917 0.0646 0.3122 0.24517
2006 7 2 53918 0.0645 0.3119 0.24551
2006 7 3 53919 0.0644 0.3116 0.24579
2006 7 4 53920 0.0643 0.3112 0.24608
2006 7 5 53921 0.0642 0.3109 0.24649
2006 7 6 53922 0.0641 0.3105 0.24706
2006 7 7 53923 0.0639 0.3102 0.24778
2006 7 8 53924 0.0638 0.3098 0.24871
2006 7 9 53925 0.0636 0.3094 0.24984
2006 7 10 53926 0.0635 0.3091 0.25106
2006 7 11 53927 0.0633 0.3087 0.25216
2006 7 12 53928 0.0631 0.3083 0.25307
2006 7 13 53929 0.0629 0.3079 0.25370
2006 7 14 53930 0.0627 0.3076 0.25403
2006 7 15 53931 0.0625 0.3072 0.25408
2006 7 16 53932 0.0622 0.3068 0.25396
2006 7 17 53933 0.0620 0.3064 0.25386
2006 7 18 53934 0.0617 0.3060 0.25400
2006 7 19 53935 0.0615 0.3056 0.25433
2006 7 20 53936 0.0612 0.3052 0.25494
2006 7 21 53937 0.0609 0.3048 0.25584
2006 7 22 53938 0.0606 0.3045 0.25690
2006 7 23 53939 0.0603 0.3041 0.25805
2006 7 24 53940 0.0599 0.3037 0.25914
2006 7 25 53941 0.0596 0.3033 0.26013
2006 7 26 53942 0.0592 0.3029 0.26101
2006 7 27 53943 0.0588 0.3025 0.26171
2006 7 28 53944 0.0584 0.3021 0.26222
2006 7 29 53945 0.0580 0.3018 0.26260
2006 7 30 53946 0.0576 0.3014 0.26297
2006 7 31 53947 0.0572 0.3010 0.26329
2006 8 1 53948 0.0567 0.3006 0.26369
2006 8 2 53949 0.0563 0.3003 0.26423
2006 8 3 53950 0.0558 0.2999 0.26495
2006 8 4 53951 0.0553 0.2995 0.26585
2006 8 5 53952 0.0548 0.2992 0.26692
2006 8 6 53953 0.0543 0.2988 0.26806
2006 8 7 53954 0.0537 0.2985 0.26919
2006 8 8 53955 0.0532 0.2982 0.27023
2006 8 9 53956 0.0526 0.2978 0.27095
2006 8 10 53957 0.0521 0.2975 0.27133
2006 8 11 53958 0.0515 0.2972 0.27137
2006 8 12 53959 0.0509 0.2969 0.27118
2006 8 13 53960 0.0502 0.2966 0.27091
2006 8 14 53961 0.0496 0.2963 0.27080
2006 8 15 53962 0.0490 0.2961 0.27093
2006 8 16 53963 0.0483 0.2958 0.27138
2006 8 17 53964 0.0476 0.2955 0.27212
2006 8 18 53965 0.0469 0.2953 0.27304
2006 8 19 53966 0.0462 0.2950 0.27405
2006 8 20 53967 0.0455 0.2948 0.27504
2006 8 21 53968 0.0448 0.2946 0.27592
2006 8 22 53969 0.0441 0.2944 0.27663
2006 8 23 53970 0.0433 0.2942 0.27713
2006 8 24 53971 0.0426 0.2940 0.27744
2006 8 25 53972 0.0418 0.2939 0.27755
2006 8 26 53973 0.0410 0.2937 0.27752
2006 8 27 53974 0.0402 0.2936 0.27753
2006 8 28 53975 0.0394 0.2934 0.27757
2006 8 29 53976 0.0386 0.2933 0.27773
2006 8 30 53977 0.0378 0.2932 0.27807
2006 8 31 53978 0.0369 0.2931 0.27861
2006 9 1 53979 0.0361 0.2931 0.27933
2006 9 2 53980 0.0352 0.2930 0.28021
2006 9 3 53981 0.0343 0.2930 0.28115
2006 9 4 53982 0.0335 0.2929 0.28199
2006 9 5 53983 0.0326 0.2929 0.28258
2006 9 6 53984 0.0317 0.2929 0.28285
2006 9 7 53985 0.0308 0.2930 0.28277
2006 9 8 53986 0.0299 0.2930 0.28239
2006 9 9 53987 0.0290 0.2931 0.28183
2006 9 10 53988 0.0281 0.2931 0.28131
2006 9 11 53989 0.0271 0.2932 0.28104
2006 9 12 53990 0.0262 0.2933 0.28116
2006 9 13 53991 0.0253 0.2934 0.28167
2006 9 14 53992 0.0243 0.2936 0.28244
2006 9 15 53993 0.0234 0.2937 0.28332
2006 9 16 53994 0.0224 0.2939 0.28418
2006 9 17 53995 0.0215 0.2941 0.28494
2006 9 18 53996 0.0205 0.2943 0.28553
2006 9 19 53997 0.0195 0.2946 0.28593
2006 9 20 53998 0.0186 0.2948 0.28611
2006 9 21 53999 0.0176 0.2951 0.28607
2006 9 22 54000 0.0166 0.2953 0.28584
2006 9 23 54001 0.0157 0.2956 0.28546
2006 9 24 54002 0.0147 0.2960 0.28516
2006 9 25 54003 0.0137 0.2963 0.28494
2006 9 26 54004 0.0128 0.2967 0.28486
2006 9 27 54005 0.0118 0.2970 0.28497
2006 9 28 54006 0.0108 0.2974 0.28522
2006 9 29 54007 0.0099 0.2978 0.28557
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)
53623 -65.10 .28 -5.00 .14
53624 -65.22 .19 -5.13 .34
53625 -65.11 .19 -5.18 .34
53626 -64.73 .74 -5.15 .34
IAU2000A Celestial Pole Offset Series
MJD dX error dY error
(msec. of arc)
53623 0.182 0.111 -0.110 0.140
53624 0.204 0.076 -0.137 0.340
53625 0.233 0.076 -0.135 0.340
53626 0.253 0.294 -0.117 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.
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Important Notices - Important Notices - Important Notices
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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
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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.
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Important Notice - IAU 2000 Resolution Compliancy Information
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