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* I E R S B U L L E T I N - A *
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* Rapid Service/Prediction of Earth Orientation *
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27 December 2007 Vol. XX No. 052
______________________________________________________________________
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
= -0.2 seconds beginning 14 June 2007 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
7 12 21 54455 -.06193 .00009 .23931 .00010 -.263780 .000008
7 12 22 54456 -.06282 .00009 .24101 .00010 -.264575 .000009
7 12 23 54457 -.06388 .00009 .24270 .00010 -.265148 .000010
7 12 24 54458 -.06538 .00009 .24445 .00009 -.265641 .000032
7 12 25 54459 -.06736 .00009 .24610 .00010 -.266177 .000037
7 12 26 54460 -.06951 .00009 .24764 .00010 -.266827 .000048
7 12 27 54461 -.07146 .00009 .24911 .00010 -.267640 .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 = .0642 - .0451 cos A - .0875 sin A - .0929 cos C - .0231 sin C
y = .3527 - .0840 cos A + .0413 sin A - .0231 cos C + .0929 sin C
UT1-UTC = -.2704 - .00088 (MJD - 54469) - (UT2-UT1)
where A = 2*pi*(MJD-54461)/365.25 and C = 2*pi*(MJD-54461)/435.
TAI-UTC(MJD 54462) = 33.0
The accuracy may be estimated from the expressions:
S x,y = 0.00068 (MJD-54461)**0.80 S t = 0.00025 (MJD-54461)**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)
2007 12 28 54462 -0.0733 0.2508 -0.26863
2007 12 29 54463 -0.0749 0.2525 -0.26978
2007 12 30 54464 -0.0763 0.2544 -0.27104
2007 12 31 54465 -0.0778 0.2564 -0.27227
2008 1 1 54466 -0.0793 0.2585 -0.27337
2008 1 2 54467 -0.0808 0.2606 -0.27429
2008 1 3 54468 -0.0824 0.2628 -0.27503
2008 1 4 54469 -0.0840 0.2649 -0.27559
2008 1 5 54470 -0.0855 0.2672 -0.27598
2008 1 6 54471 -0.0870 0.2694 -0.27627
2008 1 7 54472 -0.0885 0.2717 -0.27653
2008 1 8 54473 -0.0899 0.2741 -0.27682
2008 1 9 54474 -0.0913 0.2765 -0.27720
2008 1 10 54475 -0.0926 0.2789 -0.27779
2008 1 11 54476 -0.0939 0.2813 -0.27862
2008 1 12 54477 -0.0952 0.2838 -0.27968
2008 1 13 54478 -0.0965 0.2862 -0.28091
2008 1 14 54479 -0.0977 0.2888 -0.28221
2008 1 15 54480 -0.0988 0.2913 -0.28348
2008 1 16 54481 -0.1000 0.2938 -0.28460
2008 1 17 54482 -0.1011 0.2964 -0.28549
2008 1 18 54483 -0.1021 0.2990 -0.28613
2008 1 19 54484 -0.1031 0.3017 -0.28656
2008 1 20 54485 -0.1041 0.3043 -0.28689
2008 1 21 54486 -0.1050 0.3069 -0.28727
2008 1 22 54487 -0.1059 0.3096 -0.28780
2008 1 23 54488 -0.1067 0.3123 -0.28857
2008 1 24 54489 -0.1075 0.3150 -0.28960
2008 1 25 54490 -0.1082 0.3177 -0.29083
2008 1 26 54491 -0.1089 0.3204 -0.29217
2008 1 27 54492 -0.1096 0.3232 -0.29353
2008 1 28 54493 -0.1102 0.3259 -0.29480
2008 1 29 54494 -0.1107 0.3287 -0.29591
2008 1 30 54495 -0.1113 0.3314 -0.29683
2008 1 31 54496 -0.1117 0.3342 -0.29755
2008 2 1 54497 -0.1121 0.3370 -0.29809
2008 2 2 54498 -0.1125 0.3398 -0.29849
2008 2 3 54499 -0.1129 0.3426 -0.29880
2008 2 4 54500 -0.1131 0.3454 -0.29912
2008 2 5 54501 -0.1134 0.3482 -0.29952
2008 2 6 54502 -0.1136 0.3510 -0.30009
2008 2 7 54503 -0.1137 0.3538 -0.30091
2008 2 8 54504 -0.1138 0.3566 -0.30197
2008 2 9 54505 -0.1138 0.3594 -0.30327
2008 2 10 54506 -0.1139 0.3622 -0.30470
2008 2 11 54507 -0.1138 0.3650 -0.30614
2008 2 12 54508 -0.1137 0.3678 -0.30747
2008 2 13 54509 -0.1136 0.3707 -0.30859
2008 2 14 54510 -0.1134 0.3735 -0.30945
2008 2 15 54511 -0.1131 0.3763 -0.31007
2008 2 16 54512 -0.1129 0.3791 -0.31055
2008 2 17 54513 -0.1125 0.3819 -0.31098
2008 2 18 54514 -0.1122 0.3847 -0.31151
2008 2 19 54515 -0.1117 0.3874 -0.31224
2008 2 20 54516 -0.1113 0.3902 -0.31320
2008 2 21 54517 -0.1107 0.3930 -0.31438
2008 2 22 54518 -0.1102 0.3958 -0.31572
2008 2 23 54519 -0.1096 0.3985 -0.31711
2008 2 24 54520 -0.1089 0.4013 -0.31846
2008 2 25 54521 -0.1082 0.4040 -0.31970
2008 2 26 54522 -0.1075 0.4067 -0.32077
2008 2 27 54523 -0.1067 0.4094 -0.32166
2008 2 28 54524 -0.1058 0.4121 -0.32239
2008 2 29 54525 -0.1049 0.4148 -0.32298
2008 3 1 54526 -0.1040 0.4175 -0.32349
2008 3 2 54527 -0.1030 0.4201 -0.32400
2008 3 3 54528 -0.1020 0.4228 -0.32459
2008 3 4 54529 -0.1009 0.4254 -0.32534
2008 3 5 54530 -0.0998 0.4280 -0.32632
2008 3 6 54531 -0.0987 0.4306 -0.32759
2008 3 7 54532 -0.0975 0.4332 -0.32914
2008 3 8 54533 -0.0962 0.4357 -0.33088
2008 3 9 54534 -0.0949 0.4383 -0.33270
2008 3 10 54535 -0.0936 0.4408 -0.33443
2008 3 11 54536 -0.0922 0.4433 -0.33596
2008 3 12 54537 -0.0908 0.4457 -0.33722
2008 3 13 54538 -0.0894 0.4482 -0.33820
2008 3 14 54539 -0.0879 0.4506 -0.33899
2008 3 15 54540 -0.0863 0.4530 -0.33971
2008 3 16 54541 -0.0848 0.4554 -0.34048
2008 3 17 54542 -0.0831 0.4578 -0.34141
2008 3 18 54543 -0.0815 0.4601 -0.34256
2008 3 19 54544 -0.0798 0.4624 -0.34391
2008 3 20 54545 -0.0780 0.4647 -0.34543
2008 3 21 54546 -0.0763 0.4669 -0.34703
2008 3 22 54547 -0.0744 0.4691 -0.34863
2008 3 23 54548 -0.0726 0.4713 -0.35013
2008 3 24 54549 -0.0707 0.4735 -0.35148
2008 3 25 54550 -0.0688 0.4756 -0.35264
2008 3 26 54551 -0.0668 0.4777 -0.35362
2008 3 27 54552 -0.0648 0.4798 -0.35443
2008 3 28 54553 -0.0628 0.4819 -0.35515
2008 3 29 54554 -0.0607 0.4839 -0.35582
2008 3 30 54555 -0.0586 0.4859 -0.35653
2008 3 31 54556 -0.0565 0.4878 -0.35735
2008 4 1 54557 -0.0543 0.4897 -0.35838
2008 4 2 54558 -0.0521 0.4916 -0.35965
2008 4 3 54559 -0.0499 0.4934 -0.36120
2008 4 4 54560 -0.0476 0.4953 -0.36300
2008 4 5 54561 -0.0453 0.4970 -0.36495
2008 4 6 54562 -0.0430 0.4988 -0.36691
2008 4 7 54563 -0.0406 0.5005 -0.36872
2008 4 8 54564 -0.0383 0.5021 -0.37028
2008 4 9 54565 -0.0358 0.5038 -0.37153
2008 4 10 54566 -0.0334 0.5054 -0.37254
2008 4 11 54567 -0.0309 0.5069 -0.37343
2008 4 12 54568 -0.0284 0.5085 -0.37432
2008 4 13 54569 -0.0259 0.5099 -0.37535
2008 4 14 54570 -0.0234 0.5114 -0.37651
2008 4 15 54571 -0.0208 0.5128 -0.37785
2008 4 16 54572 -0.0182 0.5141 -0.37935
2008 4 17 54573 -0.0156 0.5155 -0.38093
2008 4 18 54574 -0.0130 0.5167 -0.38250
2008 4 19 54575 -0.0103 0.5180 -0.38398
2008 4 20 54576 -0.0076 0.5192 -0.38532
2008 4 21 54577 -0.0049 0.5203 -0.38648
2008 4 22 54578 -0.0022 0.5214 -0.38743
2008 4 23 54579 0.0005 0.5225 -0.38820
2008 4 24 54580 0.0033 0.5236 -0.38884
2008 4 25 54581 0.0061 0.5245 -0.38940
2008 4 26 54582 0.0089 0.5255 -0.38997
2008 4 27 54583 0.0117 0.5264 -0.39060
2008 4 28 54584 0.0145 0.5272 -0.39137
2008 4 29 54585 0.0173 0.5281 -0.39235
2008 4 30 54586 0.0202 0.5288 -0.39356
2008 5 1 54587 0.0230 0.5296 -0.39501
2008 5 2 54588 0.0259 0.5302 -0.39664
2008 5 3 54589 0.0288 0.5309 -0.39833
2008 5 4 54590 0.0317 0.5315 -0.39994
2008 5 5 54591 0.0346 0.5320 -0.40133
2008 5 6 54592 0.0375 0.5325 -0.40243
2008 5 7 54593 0.0405 0.5330 -0.40324
2008 5 8 54594 0.0434 0.5334 -0.40385
2008 5 9 54595 0.0463 0.5338 -0.40442
2008 5 10 54596 0.0493 0.5341 -0.40507
2008 5 11 54597 0.0522 0.5344 -0.40590
2008 5 12 54598 0.0552 0.5346 -0.40691
2008 5 13 54599 0.0582 0.5348 -0.40807
2008 5 14 54600 0.0611 0.5349 -0.40930
2008 5 15 54601 0.0641 0.5350 -0.41052
2008 5 16 54602 0.0671 0.5351 -0.41165
2008 5 17 54603 0.0700 0.5351 -0.41264
2008 5 18 54604 0.0730 0.5350 -0.41344
2008 5 19 54605 0.0760 0.5349 -0.41403
2008 5 20 54606 0.0789 0.5348 -0.41444
2008 5 21 54607 0.0819 0.5346 -0.41469
2008 5 22 54608 0.0849 0.5344 -0.41484
2008 5 23 54609 0.0878 0.5341 -0.41497
2008 5 24 54610 0.0908 0.5338 -0.41514
2008 5 25 54611 0.0937 0.5334 -0.41542
2008 5 26 54612 0.0967 0.5330 -0.41587
2008 5 27 54613 0.0996 0.5326 -0.41652
2008 5 28 54614 0.1025 0.5321 -0.41737
2008 5 29 54615 0.1054 0.5315 -0.41839
2008 5 30 54616 0.1084 0.5309 -0.41951
2008 5 31 54617 0.1113 0.5303 -0.42061
2008 6 1 54618 0.1141 0.5296 -0.42155
2008 6 2 54619 0.1170 0.5289 -0.42224
2008 6 3 54620 0.1199 0.5281 -0.42264
2008 6 4 54621 0.1227 0.5273 -0.42280
2008 6 5 54622 0.1256 0.5265 -0.42286
2008 6 6 54623 0.1284 0.5256 -0.42297
2008 6 7 54624 0.1312 0.5246 -0.42323
2008 6 8 54625 0.1340 0.5236 -0.42369
2008 6 9 54626 0.1368 0.5226 -0.42433
2008 6 10 54627 0.1395 0.5215 -0.42506
2008 6 11 54628 0.1423 0.5204 -0.42579
2008 6 12 54629 0.1450 0.5193 -0.42643
2008 6 13 54630 0.1477 0.5181 -0.42692
2008 6 14 54631 0.1504 0.5168 -0.42722
2008 6 15 54632 0.1530 0.5156 -0.42732
2008 6 16 54633 0.1557 0.5142 -0.42723
2008 6 17 54634 0.1583 0.5129 -0.42696
2008 6 18 54635 0.1609 0.5115 -0.42659
2008 6 19 54636 0.1634 0.5100 -0.42617
2008 6 20 54637 0.1660 0.5086 -0.42578
2008 6 21 54638 0.1685 0.5070 -0.42550
2008 6 22 54639 0.1710 0.5055 -0.42537
2008 6 23 54640 0.1734 0.5039 -0.42542
2008 6 24 54641 0.1759 0.5022 -0.42565
2008 6 25 54642 0.1783 0.5006 -0.42604
2008 6 26 54643 0.1807 0.4989 -0.42651
2008 6 27 54644 0.1830 0.4971 -0.42696
2008 6 28 54645 0.1853 0.4953 -0.42728
2008 6 29 54646 0.1876 0.4935 -0.42737
2008 6 30 54647 0.1899 0.4917 -0.42718
2008 7 1 54648 0.1921 0.4898 -0.42672
2008 7 2 54649 0.1943 0.4879 -0.42609
2008 7 3 54650 0.1965 0.4859 -0.42544
2008 7 4 54651 0.1986 0.4839 -0.42492
2008 7 5 54652 0.2007 0.4819 -0.42464
2008 7 6 54653 0.2028 0.4799 -0.42461
2008 7 7 54654 0.2048 0.4778 -0.42478
2008 7 8 54655 0.2068 0.4757 -0.42507
2008 7 9 54656 0.2087 0.4736 -0.42537
2008 7 10 54657 0.2107 0.4714 -0.42560
2008 7 11 54658 0.2125 0.4692 -0.42571
2008 7 12 54659 0.2144 0.4670 -0.42568
2008 7 13 54660 0.2162 0.4647 -0.42550
2008 7 14 54661 0.2180 0.4624 -0.42520
2008 7 15 54662 0.2197 0.4601 -0.42481
2008 7 16 54663 0.2214 0.4578 -0.42441
2008 7 17 54664 0.2230 0.4554 -0.42404
2008 7 18 54665 0.2246 0.4530 -0.42379
2008 7 19 54666 0.2262 0.4506 -0.42368
2008 7 20 54667 0.2277 0.4482 -0.42376
2008 7 21 54668 0.2292 0.4457 -0.42403
2008 7 22 54669 0.2306 0.4432 -0.42445
2008 7 23 54670 0.2320 0.4407 -0.42496
2008 7 24 54671 0.2334 0.4382 -0.42548
2008 7 25 54672 0.2347 0.4357 -0.42589
2008 7 26 54673 0.2360 0.4331 -0.42613
2008 7 27 54674 0.2372 0.4305 -0.42613
2008 7 28 54675 0.2384 0.4279 -0.42592
2008 7 29 54676 0.2395 0.4253 -0.42556
2008 7 30 54677 0.2406 0.4227 -0.42516
2008 7 31 54678 0.2417 0.4200 -0.42485
2008 8 1 54679 0.2427 0.4174 -0.42473
2008 8 2 54680 0.2436 0.4147 -0.42489
2008 8 3 54681 0.2446 0.4120 -0.42532
2008 8 4 54682 0.2454 0.4093 -0.42592
2008 8 5 54683 0.2462 0.4066 -0.42653
2008 8 6 54684 0.2470 0.4038 -0.42701
2008 8 7 54685 0.2477 0.4011 -0.42735
2008 8 8 54686 0.2484 0.3983 -0.42755
2008 8 9 54687 0.2491 0.3956 -0.42764
2008 8 10 54688 0.2496 0.3928 -0.42757
2008 8 11 54689 0.2502 0.3900 -0.42737
2008 8 12 54690 0.2507 0.3872 -0.42709
2008 8 13 54691 0.2511 0.3844 -0.42683
2008 8 14 54692 0.2515 0.3816 -0.42667
2008 8 15 54693 0.2519 0.3788 -0.42669
2008 8 16 54694 0.2522 0.3760 -0.42694
2008 8 17 54695 0.2524 0.3732 -0.42735
2008 8 18 54696 0.2526 0.3704 -0.42796
2008 8 19 54697 0.2528 0.3676 -0.42884
2008 8 20 54698 0.2529 0.3647 -0.42994
2008 8 21 54699 0.2529 0.3619 -0.43101
2008 8 22 54700 0.2530 0.3591 -0.43193
2008 8 23 54701 0.2529 0.3563 -0.43264
2008 8 24 54702 0.2528 0.3535 -0.43310
2008 8 25 54703 0.2527 0.3506 -0.43345
2008 8 26 54704 0.2525 0.3478 -0.43377
2008 8 27 54705 0.2523 0.3450 -0.43415
2008 8 28 54706 0.2520 0.3422 -0.43468
2008 8 29 54707 0.2517 0.3394 -0.43532
2008 8 30 54708 0.2513 0.3366 -0.43613
2008 8 31 54709 0.2509 0.3338 -0.43708
2008 9 1 54710 0.2504 0.3310 -0.43808
2008 9 2 54711 0.2499 0.3283 -0.43898
2008 9 3 54712 0.2494 0.3255 -0.43977
2008 9 4 54713 0.2488 0.3227 -0.44042
2008 9 5 54714 0.2481 0.3200 -0.44088
2008 9 6 54715 0.2474 0.3173 -0.44114
2008 9 7 54716 0.2466 0.3145 -0.44123
2008 9 8 54717 0.2459 0.3118 -0.44119
2008 9 9 54718 0.2450 0.3091 -0.44112
2008 9 10 54719 0.2441 0.3064 -0.44112
2008 9 11 54720 0.2432 0.3038 -0.44125
2008 9 12 54721 0.2422 0.3011 -0.44158
2008 9 13 54722 0.2412 0.2985 -0.44210
2008 9 14 54723 0.2401 0.2959 -0.44286
2008 9 15 54724 0.2390 0.2933 -0.44382
2008 9 16 54725 0.2378 0.2907 -0.44495
2008 9 17 54726 0.2366 0.2881 -0.44610
2008 9 18 54727 0.2354 0.2856 -0.44711
2008 9 19 54728 0.2341 0.2830 -0.44793
2008 9 20 54729 0.2328 0.2805 -0.44855
2008 9 21 54730 0.2314 0.2781 -0.44904
2008 9 22 54731 0.2300 0.2756 -0.44946
2008 9 23 54732 0.2285 0.2732 -0.44993
2008 9 24 54733 0.2270 0.2707 -0.45052
2008 9 25 54734 0.2255 0.2684 -0.45132
2008 9 26 54735 0.2239 0.2660 -0.45238
2008 9 27 54736 0.2223 0.2636 -0.45365
2008 9 28 54737 0.2206 0.2613 -0.45513
2008 9 29 54738 0.2189 0.2590 -0.45670
2008 9 30 54739 0.2172 0.2568 -0.45822
2008 10 1 54740 0.2154 0.2545 -0.45961
2008 10 2 54741 0.2136 0.2523 -0.46076
2008 10 3 54742 0.2118 0.2502 -0.46161
2008 10 4 54743 0.2099 0.2480 -0.46223
2008 10 5 54744 0.2079 0.2459 -0.46267
2008 10 6 54745 0.2060 0.2438 -0.46301
2008 10 7 54746 0.2040 0.2418 -0.46331
2008 10 8 54747 0.2020 0.2397 -0.46363
2008 10 9 54748 0.1999 0.2378 -0.46404
2008 10 10 54749 0.1978 0.2358 -0.46467
2008 10 11 54750 0.1957 0.2339 -0.46556
2008 10 12 54751 0.1935 0.2320 -0.46670
2008 10 13 54752 0.1913 0.2301 -0.46796
2008 10 14 54753 0.1891 0.2283 -0.46929
2008 10 15 54754 0.1868 0.2265 -0.47059
2008 10 16 54755 0.1845 0.2248 -0.47169
2008 10 17 54756 0.1822 0.2231 -0.47254
2008 10 18 54757 0.1799 0.2214 -0.47321
2008 10 19 54758 0.1775 0.2197 -0.47382
2008 10 20 54759 0.1751 0.2181 -0.47443
2008 10 21 54760 0.1727 0.2166 -0.47507
2008 10 22 54761 0.1702 0.2151 -0.47583
2008 10 23 54762 0.1677 0.2136 -0.47677
2008 10 24 54763 0.1652 0.2121 -0.47780
2008 10 25 54764 0.1627 0.2107 -0.47889
2008 10 26 54765 0.1601 0.2093 -0.48004
2008 10 27 54766 0.1576 0.2080 -0.48118
2008 10 28 54767 0.1550 0.2067 -0.48221
2008 10 29 54768 0.1523 0.2055 -0.48306
2008 10 30 54769 0.1497 0.2043 -0.48374
2008 10 31 54770 0.1470 0.2031 -0.48424
2008 11 1 54771 0.1444 0.2020 -0.48463
2008 11 2 54772 0.1417 0.2009 -0.48491
2008 11 3 54773 0.1389 0.1999 -0.48511
2008 11 4 54774 0.1362 0.1989 -0.48536
2008 11 5 54775 0.1335 0.1979 -0.48571
2008 11 6 54776 0.1307 0.1970 -0.48623
2008 11 7 54777 0.1279 0.1962 -0.48695
2008 11 8 54778 0.1251 0.1953 -0.48788
2008 11 9 54779 0.1223 0.1946 -0.48902
2008 11 10 54780 0.1195 0.1938 -0.49028
2008 11 11 54781 0.1167 0.1931 -0.49155
2008 11 12 54782 0.1138 0.1925 -0.49271
2008 11 13 54783 0.1110 0.1919 -0.49360
2008 11 14 54784 0.1081 0.1914 -0.49423
2008 11 15 54785 0.1052 0.1908 -0.49457
2008 11 16 54786 0.1023 0.1904 -0.49485
2008 11 17 54787 0.0994 0.1900 -0.49521
2008 11 18 54788 0.0965 0.1896 -0.49576
2008 11 19 54789 0.0936 0.1893 -0.49655
2008 11 20 54790 0.0907 0.1890 -0.49752
2008 11 21 54791 0.0878 0.1887 -0.49871
2008 11 22 54792 0.0849 0.1886 -0.50005
2008 11 23 54793 0.0820 0.1884 -0.50145
2008 11 24 54794 0.0791 0.1883 -0.50281
2008 11 25 54795 0.0762 0.1883 -0.50404
2008 11 26 54796 0.0732 0.1882 -0.50514
2008 11 27 54797 0.0703 0.1883 -0.50607
2008 11 28 54798 0.0674 0.1884 -0.50685
2008 11 29 54799 0.0645 0.1885 -0.50756
2008 11 30 54800 0.0616 0.1887 -0.50829
2008 12 1 54801 0.0587 0.1889 -0.50907
2008 12 2 54802 0.0558 0.1892 -0.50999
2008 12 3 54803 0.0529 0.1895 -0.51107
2008 12 4 54804 0.0500 0.1898 -0.51237
2008 12 5 54805 0.0471 0.1902 -0.51389
2008 12 6 54806 0.0442 0.1907 -0.51557
2008 12 7 54807 0.0413 0.1912 -0.51737
2008 12 8 54808 0.0385 0.1917 -0.51922
2008 12 9 54809 0.0356 0.1923 -0.52098
2008 12 10 54810 0.0328 0.1929 -0.52257
2008 12 11 54811 0.0299 0.1936 -0.52396
2008 12 12 54812 0.0271 0.1943 -0.52513
2008 12 13 54813 0.0243 0.1951 -0.52614
2008 12 14 54814 0.0215 0.1959 -0.52718
2008 12 15 54815 0.0188 0.1967 -0.52834
2008 12 16 54816 0.0160 0.1976 -0.52967
2008 12 17 54817 0.0132 0.1985 -0.53119
2008 12 18 54818 0.0105 0.1995 -0.53285
2008 12 19 54819 0.0078 0.2005 -0.53455
2008 12 20 54820 0.0051 0.2016 -0.53611
2008 12 21 54821 0.0024 0.2027 -0.53753
2008 12 22 54822 -0.0002 0.2038 -0.53881
2008 12 23 54823 -0.0029 0.2050 -0.53980
2008 12 24 54824 -0.0055 0.2062 -0.54058
2008 12 25 54825 -0.0081 0.2075 -0.54120
2008 12 26 54826 -0.0106 0.2088 -0.54169
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)
54442 -61.44 .23 -3.44 .17
54443 -61.53 .23 -3.62 .17
54444 -61.56 .23 -3.60 .17
54445 -61.38 .74 -3.40 .34
54446 -61.03 .42 -3.19 .15
54447 -60.67 .42 -3.09 .15
54448 -60.44 .42 -3.10 .15
IAU2000A Celestial Pole Offset Series
MJD dX error dY error
(msec. of arc)
54442 -0.094 0.091 -0.027 0.170
54443 -0.082 0.091 -0.018 0.170
54444 -0.070 0.091 0.012 0.170
54445 -0.055 0.294 0.036 0.340
54446 -0.050 0.167 0.039 0.150
54447 -0.052 0.167 0.040 0.150
54448 -0.051 0.167 0.042 0.150
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.