**********************************************************************
* *
* I E R S B U L L E T I N - A *
* *
* Rapid Service/Prediction of Earth Orientation *
**********************************************************************
12 October 2006 Vol. XIX No. 041
______________________________________________________________________
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
= +0.1 seconds beginning 28 September 2006 at 0000 UTC
Beginning 1 January 2006:
TAI-UTC(BIPM) = 33.000 000 seconds
**********************************************************************
* No leap second will be introduced into UTC on December 31, 2006. *
* Last positive leap second introduced in UTC on December 31, 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
6 10 6 54014 .02522 .00003 .25390 .00003 .139465 .000013
6 10 7 54015 .02436 .00003 .25428 .00003 .137194 .000013
6 10 8 54016 .02351 .00003 .25492 .00003 .135014 .000013
6 10 9 54017 .02230 .00002 .25581 .00003 .133133 .000013
6 10 10 54018 .02048 .00002 .25684 .00002 .131611 .000012
6 10 11 54019 .01826 .00002 .25758 .00002 .130409 .000012
6 10 12 54020 .01589 .00002 .25791 .00002 .129361 .000011
_______________________________________________________________________
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 = .0549 + .1254 cos A - .0874 sin A - .1717 cos C - .0310 sin C
y = .3574 - .0717 cos A - .1138 sin A - .0310 cos C + .1717 sin C
UT1-UTC = .0716 - .00072 (MJD - 54025) - (UT2-UT1)
where A = 2*pi*(MJD-54020)/365.25 and C = 2*pi*(MJD-54020)/435.
TAI-UTC(MJD 54021) = 33.0
The accuracy may be estimated from the expressions:
S x,y = 0.00068 (MJD-54020)**0.80 S t = 0.00025 (MJD-54020)**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)
2006 10 13 54021 0.0136 0.2581 0.12840
2006 10 14 54022 0.0114 0.2584 0.12743
2006 10 15 54023 0.0092 0.2588 0.12635
2006 10 16 54024 0.0070 0.2592 0.12510
2006 10 17 54025 0.0049 0.2597 0.12368
2006 10 18 54026 0.0028 0.2602 0.12210
2006 10 19 54027 0.0007 0.2608 0.12041
2006 10 20 54028 -0.0013 0.2614 0.11862
2006 10 21 54029 -0.0034 0.2620 0.11683
2006 10 22 54030 -0.0055 0.2627 0.11511
2006 10 23 54031 -0.0075 0.2633 0.11353
2006 10 24 54032 -0.0095 0.2640 0.11216
2006 10 25 54033 -0.0116 0.2648 0.11098
2006 10 26 54034 -0.0136 0.2655 0.10996
2006 10 27 54035 -0.0157 0.2663 0.10905
2006 10 28 54036 -0.0177 0.2671 0.10816
2006 10 29 54037 -0.0197 0.2679 0.10719
2006 10 30 54038 -0.0218 0.2688 0.10602
2006 10 31 54039 -0.0238 0.2697 0.10458
2006 11 1 54040 -0.0258 0.2706 0.10284
2006 11 2 54041 -0.0279 0.2715 0.10084
2006 11 3 54042 -0.0299 0.2724 0.09872
2006 11 4 54043 -0.0319 0.2734 0.09664
2006 11 5 54044 -0.0339 0.2744 0.09478
2006 11 6 54045 -0.0359 0.2754 0.09324
2006 11 7 54046 -0.0380 0.2765 0.09204
2006 11 8 54047 -0.0400 0.2776 0.09110
2006 11 9 54048 -0.0419 0.2787 0.09030
2006 11 10 54049 -0.0439 0.2798 0.08950
2006 11 11 54050 -0.0459 0.2810 0.08861
2006 11 12 54051 -0.0479 0.2822 0.08757
2006 11 13 54052 -0.0498 0.2834 0.08636
2006 11 14 54053 -0.0517 0.2846 0.08499
2006 11 15 54054 -0.0537 0.2859 0.08352
2006 11 16 54055 -0.0556 0.2872 0.08198
2006 11 17 54056 -0.0575 0.2885 0.08045
2006 11 18 54057 -0.0593 0.2899 0.07898
2006 11 19 54058 -0.0612 0.2912 0.07764
2006 11 20 54059 -0.0630 0.2926 0.07647
2006 11 21 54060 -0.0648 0.2940 0.07548
2006 11 22 54061 -0.0666 0.2955 0.07465
2006 11 23 54062 -0.0684 0.2970 0.07393
2006 11 24 54063 -0.0702 0.2985 0.07323
2006 11 25 54064 -0.0719 0.3000 0.07244
2006 11 26 54065 -0.0736 0.3016 0.07148
2006 11 27 54066 -0.0753 0.3032 0.07026
2006 11 28 54067 -0.0769 0.3048 0.06877
2006 11 29 54068 -0.0785 0.3064 0.06702
2006 11 30 54069 -0.0801 0.3081 0.06513
2006 12 1 54070 -0.0817 0.3097 0.06322
2006 12 2 54071 -0.0833 0.3114 0.06146
2006 12 3 54072 -0.0848 0.3132 0.05995
2006 12 4 54073 -0.0862 0.3149 0.05876
2006 12 5 54074 -0.0877 0.3167 0.05783
2006 12 6 54075 -0.0891 0.3185 0.05708
2006 12 7 54076 -0.0905 0.3204 0.05635
2006 12 8 54077 -0.0919 0.3222 0.05555
2006 12 9 54078 -0.0932 0.3241 0.05460
2006 12 10 54079 -0.0944 0.3260 0.05346
2006 12 11 54080 -0.0957 0.3279 0.05216
2006 12 12 54081 -0.0969 0.3298 0.05073
2006 12 13 54082 -0.0981 0.3318 0.04923
2006 12 14 54083 -0.0992 0.3338 0.04773
2006 12 15 54084 -0.1003 0.3358 0.04630
2006 12 16 54085 -0.1013 0.3378 0.04499
2006 12 17 54086 -0.1024 0.3399 0.04384
2006 12 18 54087 -0.1033 0.3419 0.04289
2006 12 19 54088 -0.1043 0.3440 0.04213
2006 12 20 54089 -0.1052 0.3461 0.04151
2006 12 21 54090 -0.1060 0.3482 0.04096
2006 12 22 54091 -0.1068 0.3504 0.04035
2006 12 23 54092 -0.1076 0.3525 0.03960
2006 12 24 54093 -0.1083 0.3547 0.03860
2006 12 25 54094 -0.1090 0.3569 0.03732
2006 12 26 54095 -0.1096 0.3591 0.03581
2006 12 27 54096 -0.1102 0.3613 0.03415
2006 12 28 54097 -0.1107 0.3635 0.03248
2006 12 29 54098 -0.1112 0.3658 0.03094
2006 12 30 54099 -0.1116 0.3680 0.02963
2006 12 31 54100 -0.1120 0.3703 0.02861
2007 1 1 54101 -0.1124 0.3726 0.02786
2007 1 2 54102 -0.1127 0.3748 0.02730
2007 1 3 54103 -0.1129 0.3771 0.02681
2007 1 4 54104 -0.1132 0.3795 0.02627
2007 1 5 54105 -0.1133 0.3818 0.02559
2007 1 6 54106 -0.1134 0.3841 0.02475
2007 1 7 54107 -0.1135 0.3864 0.02372
2007 1 8 54108 -0.1135 0.3888 0.02256
2007 1 9 54109 -0.1135 0.3911 0.02130
2007 1 10 54110 -0.1134 0.3935 0.02002
2007 1 11 54111 -0.1132 0.3959 0.01878
2007 1 12 54112 -0.1130 0.3982 0.01764
2007 1 13 54113 -0.1128 0.4006 0.01665
2007 1 14 54114 -0.1125 0.4030 0.01584
2007 1 15 54115 -0.1122 0.4054 0.01520
2007 1 16 54116 -0.1118 0.4077 0.01470
2007 1 17 54117 -0.1114 0.4101 0.01429
2007 1 18 54118 -0.1109 0.4125 0.01385
2007 1 19 54119 -0.1104 0.4149 0.01328
2007 1 20 54120 -0.1098 0.4173 0.01246
2007 1 21 54121 -0.1091 0.4196 0.01134
2007 1 22 54122 -0.1084 0.4220 0.00995
2007 1 23 54123 -0.1077 0.4244 0.00837
2007 1 24 54124 -0.1069 0.4267 0.00675
2007 1 25 54125 -0.1061 0.4291 0.00526
2007 1 26 54126 -0.1052 0.4314 0.00393
2007 1 27 54127 -0.1043 0.4338 0.00289
2007 1 28 54128 -0.1033 0.4361 0.00213
2007 1 29 54129 -0.1023 0.4385 0.00157
2007 1 30 54130 -0.1012 0.4408 0.00110
2007 1 31 54131 -0.1001 0.4431 0.00062
2007 2 1 54132 -0.0989 0.4454 0.00002
2007 2 2 54133 -0.0977 0.4477 -0.00075
2007 2 3 54134 -0.0964 0.4500 -0.00171
2007 2 4 54135 -0.0951 0.4522 -0.00284
2007 2 5 54136 -0.0938 0.4545 -0.00409
2007 2 6 54137 -0.0924 0.4567 -0.00539
2007 2 7 54138 -0.0909 0.4589 -0.00667
2007 2 8 54139 -0.0894 0.4611 -0.00787
2007 2 9 54140 -0.0879 0.4633 -0.00894
2007 2 10 54141 -0.0863 0.4655 -0.00986
2007 2 11 54142 -0.0847 0.4677 -0.01060
2007 2 12 54143 -0.0830 0.4698 -0.01121
2007 2 13 54144 -0.0813 0.4719 -0.01172
2007 2 14 54145 -0.0795 0.4740 -0.01223
2007 2 15 54146 -0.0777 0.4761 -0.01284
2007 2 16 54147 -0.0759 0.4781 -0.01369
2007 2 17 54148 -0.0740 0.4801 -0.01485
2007 2 18 54149 -0.0721 0.4821 -0.01635
2007 2 19 54150 -0.0701 0.4841 -0.01812
2007 2 20 54151 -0.0681 0.4860 -0.02001
2007 2 21 54152 -0.0661 0.4880 -0.02184
2007 2 22 54153 -0.0640 0.4899 -0.02345
2007 2 23 54154 -0.0619 0.4917 -0.02476
2007 2 24 54155 -0.0598 0.4936 -0.02575
2007 2 25 54156 -0.0576 0.4954 -0.02651
2007 2 26 54157 -0.0553 0.4972 -0.02714
2007 2 27 54158 -0.0531 0.4989 -0.02777
2007 2 28 54159 -0.0508 0.5006 -0.02849
2007 3 1 54160 -0.0485 0.5023 -0.02937
2007 3 2 54161 -0.0461 0.5040 -0.03044
2007 3 3 54162 -0.0437 0.5056 -0.03169
2007 3 4 54163 -0.0413 0.5072 -0.03309
2007 3 5 54164 -0.0389 0.5087 -0.03456
2007 3 6 54165 -0.0364 0.5103 -0.03604
2007 3 7 54166 -0.0339 0.5117 -0.03746
2007 3 8 54167 -0.0314 0.5132 -0.03876
2007 3 9 54168 -0.0288 0.5146 -0.03990
2007 3 10 54169 -0.0262 0.5160 -0.04088
2007 3 11 54170 -0.0236 0.5173 -0.04171
2007 3 12 54171 -0.0210 0.5186 -0.04242
2007 3 13 54172 -0.0183 0.5199 -0.04310
2007 3 14 54173 -0.0156 0.5211 -0.04384
2007 3 15 54174 -0.0129 0.5223 -0.04475
2007 3 16 54175 -0.0102 0.5234 -0.04594
2007 3 17 54176 -0.0074 0.5245 -0.04748
2007 3 18 54177 -0.0047 0.5256 -0.04934
2007 3 19 54178 -0.0019 0.5266 -0.05142
2007 3 20 54179 0.0009 0.5276 -0.05353
2007 3 21 54180 0.0038 0.5285 -0.05549
2007 3 22 54181 0.0066 0.5294 -0.05715
2007 3 23 54182 0.0095 0.5302 -0.05846
2007 3 24 54183 0.0124 0.5310 -0.05948
2007 3 25 54184 0.0153 0.5318 -0.06031
2007 3 26 54185 0.0182 0.5325 -0.06109
2007 3 27 54186 0.0211 0.5332 -0.06193
2007 3 28 54187 0.0240 0.5338 -0.06292
2007 3 29 54188 0.0270 0.5344 -0.06409
2007 3 30 54189 0.0299 0.5349 -0.06543
2007 3 31 54190 0.0329 0.5354 -0.06692
2007 4 1 54191 0.0359 0.5358 -0.06850
2007 4 2 54192 0.0389 0.5362 -0.07011
2007 4 3 54193 0.0419 0.5366 -0.07168
2007 4 4 54194 0.0449 0.5369 -0.07314
2007 4 5 54195 0.0479 0.5371 -0.07447
2007 4 6 54196 0.0509 0.5373 -0.07563
2007 4 7 54197 0.0539 0.5375 -0.07665
2007 4 8 54198 0.0569 0.5376 -0.07755
2007 4 9 54199 0.0600 0.5377 -0.07842
2007 4 10 54200 0.0630 0.5377 -0.07933
2007 4 11 54201 0.0660 0.5376 -0.08039
2007 4 12 54202 0.0691 0.5376 -0.08171
2007 4 13 54203 0.0721 0.5374 -0.08338
2007 4 14 54204 0.0751 0.5373 -0.08542
2007 4 15 54205 0.0782 0.5370 -0.08776
2007 4 16 54206 0.0812 0.5368 -0.09025
2007 4 17 54207 0.0842 0.5365 -0.09269
2007 4 18 54208 0.0873 0.5361 -0.09488
2007 4 19 54209 0.0903 0.5357 -0.09670
2007 4 20 54210 0.0933 0.5352 -0.09813
2007 4 21 54211 0.0963 0.5347 -0.09925
2007 4 22 54212 0.0994 0.5342 -0.10018
2007 4 23 54213 0.1024 0.5336 -0.10105
2007 4 24 54214 0.1054 0.5330 -0.10195
2007 4 25 54215 0.1084 0.5323 -0.10292
2007 4 26 54216 0.1114 0.5316 -0.10395
2007 4 27 54217 0.1143 0.5308 -0.10504
2007 4 28 54218 0.1173 0.5300 -0.10614
2007 4 29 54219 0.1203 0.5292 -0.10721
2007 4 30 54220 0.1232 0.5282 -0.10821
2007 5 1 54221 0.1262 0.5273 -0.10909
2007 5 2 54222 0.1291 0.5263 -0.10982
2007 5 3 54223 0.1320 0.5252 -0.11038
2007 5 4 54224 0.1349 0.5241 -0.11077
2007 5 5 54225 0.1378 0.5230 -0.11104
2007 5 6 54226 0.1407 0.5218 -0.11123
2007 5 7 54227 0.1435 0.5206 -0.11141
2007 5 8 54228 0.1464 0.5193 -0.11168
2007 5 9 54229 0.1492 0.5180 -0.11209
2007 5 10 54230 0.1520 0.5166 -0.11272
2007 5 11 54231 0.1548 0.5152 -0.11360
2007 5 12 54232 0.1576 0.5138 -0.11470
2007 5 13 54233 0.1603 0.5123 -0.11593
2007 5 14 54234 0.1630 0.5108 -0.11713
2007 5 15 54235 0.1658 0.5092 -0.11814
2007 5 16 54236 0.1685 0.5076 -0.11881
2007 5 17 54237 0.1711 0.5059 -0.11910
2007 5 18 54238 0.1738 0.5042 -0.11905
2007 5 19 54239 0.1764 0.5025 -0.11874
2007 5 20 54240 0.1790 0.5007 -0.11839
2007 5 21 54241 0.1816 0.4989 -0.11813
2007 5 22 54242 0.1842 0.4970 -0.11802
2007 5 23 54243 0.1867 0.4951 -0.11807
2007 5 24 54244 0.1893 0.4932 -0.11823
2007 5 25 54245 0.1917 0.4912 -0.11847
2007 5 26 54246 0.1942 0.4892 -0.11878
2007 5 27 54247 0.1967 0.4871 -0.11917
2007 5 28 54248 0.1991 0.4850 -0.11954
2007 5 29 54249 0.2015 0.4829 -0.11982
2007 5 30 54250 0.2038 0.4808 -0.12000
2007 5 31 54251 0.2062 0.4786 -0.12007
2007 6 1 54252 0.2085 0.4763 -0.12000
2007 6 2 54253 0.2107 0.4741 -0.11981
2007 6 3 54254 0.2130 0.4718 -0.11956
2007 6 4 54255 0.2152 0.4694 -0.11940
2007 6 5 54256 0.2174 0.4671 -0.11930
2007 6 6 54257 0.2196 0.4647 -0.11937
2007 6 7 54258 0.2217 0.4623 -0.11965
2007 6 8 54259 0.2238 0.4598 -0.12011
2007 6 9 54260 0.2259 0.4573 -0.12072
2007 6 10 54261 0.2279 0.4548 -0.12136
2007 6 11 54262 0.2299 0.4523 -0.12191
2007 6 12 54263 0.2319 0.4497 -0.12226
2007 6 13 54264 0.2338 0.4471 -0.12237
2007 6 14 54265 0.2357 0.4445 -0.12219
2007 6 15 54266 0.2376 0.4418 -0.12175
2007 6 16 54267 0.2394 0.4391 -0.12119
2007 6 17 54268 0.2412 0.4364 -0.12064
2007 6 18 54269 0.2430 0.4337 -0.12020
2007 6 19 54270 0.2447 0.4309 -0.11998
2007 6 20 54271 0.2464 0.4282 -0.12001
2007 6 21 54272 0.2480 0.4254 -0.12022
2007 6 22 54273 0.2496 0.4225 -0.12048
2007 6 23 54274 0.2512 0.4197 -0.12071
2007 6 24 54275 0.2527 0.4168 -0.12088
2007 6 25 54276 0.2542 0.4139 -0.12088
2007 6 26 54277 0.2557 0.4110 -0.12069
2007 6 27 54278 0.2571 0.4081 -0.12032
2007 6 28 54279 0.2585 0.4052 -0.11980
2007 6 29 54280 0.2598 0.4022 -0.11914
2007 6 30 54281 0.2611 0.3992 -0.11844
2007 7 1 54282 0.2624 0.3962 -0.11772
2007 7 2 54283 0.2636 0.3932 -0.11710
2007 7 3 54284 0.2648 0.3902 -0.11671
2007 7 4 54285 0.2659 0.3871 -0.11655
2007 7 5 54286 0.2670 0.3841 -0.11666
2007 7 6 54287 0.2680 0.3810 -0.11700
2007 7 7 54288 0.2690 0.3779 -0.11745
2007 7 8 54289 0.2700 0.3748 -0.11784
2007 7 9 54290 0.2709 0.3717 -0.11793
2007 7 10 54291 0.2718 0.3686 -0.11766
2007 7 11 54292 0.2726 0.3655 -0.11701
2007 7 12 54293 0.2734 0.3623 -0.11609
2007 7 13 54294 0.2741 0.3592 -0.11499
2007 7 14 54295 0.2748 0.3560 -0.11385
2007 7 15 54296 0.2754 0.3529 -0.11279
2007 7 16 54297 0.2760 0.3497 -0.11195
2007 7 17 54298 0.2765 0.3465 -0.11123
2007 7 18 54299 0.2770 0.3433 -0.11065
2007 7 19 54300 0.2775 0.3401 -0.11022
2007 7 20 54301 0.2779 0.3370 -0.10984
2007 7 21 54302 0.2782 0.3338 -0.10935
2007 7 22 54303 0.2785 0.3306 -0.10874
2007 7 23 54304 0.2788 0.3274 -0.10799
2007 7 24 54305 0.2790 0.3242 -0.10707
2007 7 25 54306 0.2791 0.3210 -0.10602
2007 7 26 54307 0.2792 0.3178 -0.10483
2007 7 27 54308 0.2792 0.3146 -0.10357
2007 7 28 54309 0.2792 0.3114 -0.10230
2007 7 29 54310 0.2792 0.3082 -0.10112
2007 7 30 54311 0.2791 0.3050 -0.10012
2007 7 31 54312 0.2789 0.3018 -0.09944
2007 8 1 54313 0.2787 0.2986 -0.09911
2007 8 2 54314 0.2784 0.2954 -0.09905
2007 8 3 54315 0.2781 0.2922 -0.09914
2007 8 4 54316 0.2777 0.2890 -0.09918
2007 8 5 54317 0.2773 0.2859 -0.09906
2007 8 6 54318 0.2768 0.2827 -0.09877
2007 8 7 54319 0.2763 0.2795 -0.09821
2007 8 8 54320 0.2757 0.2764 -0.09746
2007 8 9 54321 0.2750 0.2733 -0.09659
2007 8 10 54322 0.2743 0.2701 -0.09573
2007 8 11 54323 0.2736 0.2670 -0.09501
2007 8 12 54324 0.2728 0.2639 -0.09448
2007 8 13 54325 0.2719 0.2608 -0.09417
2007 8 14 54326 0.2710 0.2577 -0.09404
2007 8 15 54327 0.2700 0.2547 -0.09398
2007 8 16 54328 0.2689 0.2516 -0.09397
2007 8 17 54329 0.2679 0.2486 -0.09394
2007 8 18 54330 0.2667 0.2456 -0.09380
2007 8 19 54331 0.2655 0.2425 -0.09350
2007 8 20 54332 0.2642 0.2396 -0.09297
2007 8 21 54333 0.2629 0.2366 -0.09228
2007 8 22 54334 0.2616 0.2336 -0.09142
2007 8 23 54335 0.2601 0.2307 -0.09041
2007 8 24 54336 0.2587 0.2278 -0.08932
2007 8 25 54337 0.2571 0.2249 -0.08832
2007 8 26 54338 0.2555 0.2220 -0.08751
2007 8 27 54339 0.2539 0.2191 -0.08696
2007 8 28 54340 0.2522 0.2163 -0.08679
2007 8 29 54341 0.2504 0.2135 -0.08688
2007 8 30 54342 0.2486 0.2107 -0.08723
2007 8 31 54343 0.2467 0.2079 -0.08773
2007 9 1 54344 0.2448 0.2052 -0.08807
2007 9 2 54345 0.2428 0.2025 -0.08814
2007 9 3 54346 0.2407 0.1998 -0.08789
2007 9 4 54347 0.2386 0.1971 -0.08740
2007 9 5 54348 0.2365 0.1945 -0.08679
2007 9 6 54349 0.2343 0.1919 -0.08620
2007 9 7 54350 0.2320 0.1893 -0.08574
2007 9 8 54351 0.2297 0.1868 -0.08546
2007 9 9 54352 0.2273 0.1843 -0.08539
2007 9 10 54353 0.2249 0.1818 -0.08555
2007 9 11 54354 0.2224 0.1793 -0.08590
2007 9 12 54355 0.2199 0.1769 -0.08637
2007 9 13 54356 0.2173 0.1745 -0.08683
2007 9 14 54357 0.2147 0.1722 -0.08718
2007 9 15 54358 0.2120 0.1699 -0.08732
2007 9 16 54359 0.2092 0.1676 -0.08735
2007 9 17 54360 0.2064 0.1653 -0.08724
2007 9 18 54361 0.2036 0.1631 -0.08696
2007 9 19 54362 0.2007 0.1609 -0.08661
2007 9 20 54363 0.1977 0.1588 -0.08624
2007 9 21 54364 0.1948 0.1567 -0.08593
2007 9 22 54365 0.1917 0.1546 -0.08579
2007 9 23 54366 0.1886 0.1526 -0.08587
2007 9 24 54367 0.1855 0.1506 -0.08623
2007 9 25 54368 0.1823 0.1487 -0.08679
2007 9 26 54369 0.1791 0.1468 -0.08759
2007 9 27 54370 0.1758 0.1449 -0.08849
2007 9 28 54371 0.1725 0.1431 -0.08935
2007 9 29 54372 0.1691 0.1413 -0.08997
2007 9 30 54373 0.1657 0.1396 -0.09037
2007 10 1 54374 0.1623 0.1379 -0.09046
2007 10 2 54375 0.1588 0.1363 -0.09034
2007 10 3 54376 0.1552 0.1347 -0.09016
2007 10 4 54377 0.1517 0.1331 -0.09003
2007 10 5 54378 0.1481 0.1316 -0.09003
2007 10 6 54379 0.1444 0.1302 -0.09015
2007 10 7 54380 0.1407 0.1288 -0.09046
2007 10 8 54381 0.1370 0.1274 -0.09089
2007 10 9 54382 0.1332 0.1261 -0.09145
2007 10 10 54383 0.1294 0.1248 -0.09212
2007 10 11 54384 0.1256 0.1236 -0.09273
2007 10 12 54385 0.1217 0.1225 -0.09325
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)
54001 -65.77 .27 -4.19 .34
54002 -65.88 .39 -4.47 .34
54003 -65.98 .39 -4.86 .34
54004 -65.98 .46 -5.15 .34
54005 -65.92 .36 -5.33 .34
54006 -65.87 .36 -5.51 .34
54007 -65.84 .36 -5.65 .34
IAU2000A Celestial Pole Offset Series
MJD dX error dY error
(msec. of arc)
54001 -0.054 0.107 -0.005 0.340
54002 -0.065 0.155 -0.006 0.340
54003 -0.073 0.155 -0.013 0.340
54004 -0.070 0.183 -0.011 0.340
54005 -0.065 0.143 -0.005 0.340
54006 -0.054 0.143 -0.025 0.340
54007 -0.039 0.143 -0.036 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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A positive leap second was 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 15 January 2006. 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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