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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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13 December 2007 Vol. XX No. 050
______________________________________________________________________
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 7 54441 -.04238 .00009 .21987 .00010 -.253511 .000008
7 12 8 54442 -.04456 .00010 .22111 .00010 -.254093 .000007
7 12 9 54443 -.04627 .00010 .22243 .00010 -.254444 .000007
7 12 10 54444 -.04771 .00009 .22396 .00010 -.254659 .000008
7 12 11 54445 -.04910 .00009 .22542 .00010 -.254801 .000007
7 12 12 54446 -.05036 .00009 .22665 .00010 -.254999 .000048
7 12 13 54447 -.05151 .00009 .22786 .00010 -.255380 .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 = .0638 - .0227 cos A - .1006 sin A - .0893 cos C - .0376 sin C
y = .3569 - .0955 cos A + .0192 sin A - .0376 cos C + .0893 sin C
UT1-UTC = -.2589 - .00089 (MJD - 54455) - (UT2-UT1)
where A = 2*pi*(MJD-54447)/365.25 and C = 2*pi*(MJD-54447)/435.
TAI-UTC(MJD 54448) = 33.0
The accuracy may be estimated from the expressions:
S x,y = 0.00068 (MJD-54447)**0.80 S t = 0.00025 (MJD-54447)**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 14 54448 -0.0530 0.2294 -0.25600
2007 12 15 54449 -0.0545 0.2310 -0.25686
2007 12 16 54450 -0.0561 0.2328 -0.25794
2007 12 17 54451 -0.0579 0.2347 -0.25920
2007 12 18 54452 -0.0598 0.2366 -0.26056
2007 12 19 54453 -0.0616 0.2386 -0.26191
2007 12 20 54454 -0.0634 0.2405 -0.26312
2007 12 21 54455 -0.0652 0.2425 -0.26409
2007 12 22 54456 -0.0670 0.2444 -0.26477
2007 12 23 54457 -0.0688 0.2464 -0.26521
2007 12 24 54458 -0.0706 0.2485 -0.26554
2007 12 25 54459 -0.0723 0.2506 -0.26591
2007 12 26 54460 -0.0741 0.2527 -0.26642
2007 12 27 54461 -0.0759 0.2549 -0.26711
2007 12 28 54462 -0.0776 0.2571 -0.26799
2007 12 29 54463 -0.0793 0.2593 -0.26904
2007 12 30 54464 -0.0810 0.2615 -0.27018
2007 12 31 54465 -0.0826 0.2638 -0.27134
2008 1 1 54466 -0.0842 0.2661 -0.27243
2008 1 2 54467 -0.0858 0.2685 -0.27340
2008 1 3 54468 -0.0873 0.2708 -0.27422
2008 1 4 54469 -0.0889 0.2732 -0.27488
2008 1 5 54470 -0.0903 0.2756 -0.27542
2008 1 6 54471 -0.0918 0.2781 -0.27585
2008 1 7 54472 -0.0932 0.2805 -0.27622
2008 1 8 54473 -0.0946 0.2830 -0.27662
2008 1 9 54474 -0.0959 0.2855 -0.27712
2008 1 10 54475 -0.0972 0.2880 -0.27777
2008 1 11 54476 -0.0985 0.2906 -0.27863
2008 1 12 54477 -0.0997 0.2931 -0.27971
2008 1 13 54478 -0.1008 0.2957 -0.28095
2008 1 14 54479 -0.1020 0.2983 -0.28226
2008 1 15 54480 -0.1031 0.3009 -0.28354
2008 1 16 54481 -0.1041 0.3036 -0.28468
2008 1 17 54482 -0.1051 0.3062 -0.28559
2008 1 18 54483 -0.1061 0.3089 -0.28623
2008 1 19 54484 -0.1070 0.3116 -0.28664
2008 1 20 54485 -0.1079 0.3143 -0.28691
2008 1 21 54486 -0.1087 0.3170 -0.28718
2008 1 22 54487 -0.1095 0.3197 -0.28758
2008 1 23 54488 -0.1102 0.3224 -0.28819
2008 1 24 54489 -0.1109 0.3252 -0.28903
2008 1 25 54490 -0.1115 0.3279 -0.29005
2008 1 26 54491 -0.1121 0.3307 -0.29116
2008 1 27 54492 -0.1127 0.3335 -0.29226
2008 1 28 54493 -0.1132 0.3362 -0.29327
2008 1 29 54494 -0.1137 0.3390 -0.29413
2008 1 30 54495 -0.1141 0.3418 -0.29483
2008 1 31 54496 -0.1145 0.3446 -0.29536
2008 2 1 54497 -0.1148 0.3474 -0.29573
2008 2 2 54498 -0.1151 0.3503 -0.29599
2008 2 3 54499 -0.1153 0.3531 -0.29620
2008 2 4 54500 -0.1155 0.3559 -0.29643
2008 2 5 54501 -0.1156 0.3587 -0.29678
2008 2 6 54502 -0.1157 0.3615 -0.29733
2008 2 7 54503 -0.1157 0.3644 -0.29813
2008 2 8 54504 -0.1157 0.3672 -0.29920
2008 2 9 54505 -0.1157 0.3700 -0.30052
2008 2 10 54506 -0.1155 0.3728 -0.30198
2008 2 11 54507 -0.1154 0.3757 -0.30346
2008 2 12 54508 -0.1152 0.3785 -0.30483
2008 2 13 54509 -0.1150 0.3813 -0.30600
2008 2 14 54510 -0.1147 0.3841 -0.30691
2008 2 15 54511 -0.1143 0.3869 -0.30760
2008 2 16 54512 -0.1139 0.3897 -0.30813
2008 2 17 54513 -0.1135 0.3925 -0.30862
2008 2 18 54514 -0.1130 0.3953 -0.30921
2008 2 19 54515 -0.1125 0.3981 -0.30999
2008 2 20 54516 -0.1119 0.4009 -0.31099
2008 2 21 54517 -0.1113 0.4036 -0.31221
2008 2 22 54518 -0.1106 0.4064 -0.31358
2008 2 23 54519 -0.1099 0.4091 -0.31499
2008 2 24 54520 -0.1091 0.4119 -0.31635
2008 2 25 54521 -0.1083 0.4146 -0.31759
2008 2 26 54522 -0.1074 0.4173 -0.31866
2008 2 27 54523 -0.1065 0.4200 -0.31956
2008 2 28 54524 -0.1056 0.4227 -0.32028
2008 2 29 54525 -0.1046 0.4253 -0.32087
2008 3 1 54526 -0.1036 0.4280 -0.32139
2008 3 2 54527 -0.1025 0.4306 -0.32190
2008 3 3 54528 -0.1013 0.4332 -0.32249
2008 3 4 54529 -0.1002 0.4358 -0.32323
2008 3 5 54530 -0.0990 0.4384 -0.32422
2008 3 6 54531 -0.0977 0.4410 -0.32548
2008 3 7 54532 -0.0964 0.4435 -0.32702
2008 3 8 54533 -0.0950 0.4460 -0.32877
2008 3 9 54534 -0.0936 0.4485 -0.33060
2008 3 10 54535 -0.0922 0.4510 -0.33237
2008 3 11 54536 -0.0907 0.4535 -0.33394
2008 3 12 54537 -0.0892 0.4559 -0.33523
2008 3 13 54538 -0.0877 0.4583 -0.33627
2008 3 14 54539 -0.0861 0.4607 -0.33712
2008 3 15 54540 -0.0844 0.4631 -0.33791
2008 3 16 54541 -0.0827 0.4654 -0.33876
2008 3 17 54542 -0.0810 0.4677 -0.33979
2008 3 18 54543 -0.0793 0.4700 -0.34103
2008 3 19 54544 -0.0775 0.4722 -0.34249
2008 3 20 54545 -0.0756 0.4745 -0.34412
2008 3 21 54546 -0.0737 0.4767 -0.34583
2008 3 22 54547 -0.0718 0.4788 -0.34754
2008 3 23 54548 -0.0699 0.4810 -0.34915
2008 3 24 54549 -0.0679 0.4831 -0.35061
2008 3 25 54550 -0.0659 0.4851 -0.35188
2008 3 26 54551 -0.0638 0.4872 -0.35297
2008 3 27 54552 -0.0617 0.4892 -0.35389
2008 3 28 54553 -0.0596 0.4912 -0.35471
2008 3 29 54554 -0.0574 0.4931 -0.35549
2008 3 30 54555 -0.0552 0.4951 -0.35630
2008 3 31 54556 -0.0530 0.4969 -0.35717
2008 4 1 54557 -0.0508 0.4988 -0.35824
2008 4 2 54558 -0.0485 0.5006 -0.35955
2008 4 3 54559 -0.0461 0.5024 -0.36113
2008 4 4 54560 -0.0438 0.5041 -0.36296
2008 4 5 54561 -0.0414 0.5058 -0.36493
2008 4 6 54562 -0.0390 0.5075 -0.36690
2008 4 7 54563 -0.0365 0.5091 -0.36872
2008 4 8 54564 -0.0341 0.5107 -0.37027
2008 4 9 54565 -0.0316 0.5123 -0.37152
2008 4 10 54566 -0.0291 0.5138 -0.37253
2008 4 11 54567 -0.0265 0.5153 -0.37340
2008 4 12 54568 -0.0239 0.5167 -0.37429
2008 4 13 54569 -0.0213 0.5181 -0.37530
2008 4 14 54570 -0.0187 0.5195 -0.37649
2008 4 15 54571 -0.0161 0.5208 -0.37788
2008 4 16 54572 -0.0134 0.5220 -0.37942
2008 4 17 54573 -0.0107 0.5233 -0.38103
2008 4 18 54574 -0.0080 0.5245 -0.38264
2008 4 19 54575 -0.0052 0.5256 -0.38417
2008 4 20 54576 -0.0025 0.5267 -0.38556
2008 4 21 54577 0.0003 0.5278 -0.38676
2008 4 22 54578 0.0031 0.5288 -0.38775
2008 4 23 54579 0.0059 0.5298 -0.38857
2008 4 24 54580 0.0087 0.5307 -0.38926
2008 4 25 54581 0.0116 0.5316 -0.38986
2008 4 26 54582 0.0144 0.5325 -0.39047
2008 4 27 54583 0.0173 0.5333 -0.39114
2008 4 28 54584 0.0202 0.5340 -0.39195
2008 4 29 54585 0.0231 0.5348 -0.39297
2008 4 30 54586 0.0260 0.5354 -0.39422
2008 5 1 54587 0.0289 0.5361 -0.39570
2008 5 2 54588 0.0319 0.5366 -0.39735
2008 5 3 54589 0.0348 0.5372 -0.39907
2008 5 4 54590 0.0378 0.5377 -0.40071
2008 5 5 54591 0.0407 0.5381 -0.40212
2008 5 6 54592 0.0437 0.5385 -0.40324
2008 5 7 54593 0.0467 0.5389 -0.40407
2008 5 8 54594 0.0497 0.5392 -0.40470
2008 5 9 54595 0.0527 0.5394 -0.40528
2008 5 10 54596 0.0557 0.5396 -0.40595
2008 5 11 54597 0.0587 0.5398 -0.40679
2008 5 12 54598 0.0617 0.5399 -0.40781
2008 5 13 54599 0.0647 0.5400 -0.40898
2008 5 14 54600 0.0677 0.5400 -0.41022
2008 5 15 54601 0.0707 0.5400 -0.41145
2008 5 16 54602 0.0737 0.5400 -0.41259
2008 5 17 54603 0.0767 0.5398 -0.41359
2008 5 18 54604 0.0797 0.5397 -0.41441
2008 5 19 54605 0.0828 0.5395 -0.41502
2008 5 20 54606 0.0858 0.5392 -0.41544
2008 5 21 54607 0.0888 0.5389 -0.41571
2008 5 22 54608 0.0918 0.5386 -0.41588
2008 5 23 54609 0.0947 0.5382 -0.41602
2008 5 24 54610 0.0977 0.5378 -0.41622
2008 5 25 54611 0.1007 0.5373 -0.41653
2008 5 26 54612 0.1037 0.5368 -0.41701
2008 5 27 54613 0.1066 0.5362 -0.41769
2008 5 28 54614 0.1096 0.5356 -0.41858
2008 5 29 54615 0.1125 0.5349 -0.41964
2008 5 30 54616 0.1155 0.5342 -0.42080
2008 5 31 54617 0.1184 0.5335 -0.42193
2008 6 1 54618 0.1213 0.5327 -0.42291
2008 6 2 54619 0.1242 0.5319 -0.42363
2008 6 3 54620 0.1271 0.5310 -0.42405
2008 6 4 54621 0.1299 0.5300 -0.42424
2008 6 5 54622 0.1328 0.5291 -0.42432
2008 6 6 54623 0.1356 0.5281 -0.42444
2008 6 7 54624 0.1384 0.5270 -0.42471
2008 6 8 54625 0.1412 0.5259 -0.42517
2008 6 9 54626 0.1440 0.5247 -0.42579
2008 6 10 54627 0.1468 0.5236 -0.42650
2008 6 11 54628 0.1495 0.5223 -0.42719
2008 6 12 54629 0.1523 0.5211 -0.42779
2008 6 13 54630 0.1550 0.5197 -0.42821
2008 6 14 54631 0.1576 0.5184 -0.42844
2008 6 15 54632 0.1603 0.5170 -0.42844
2008 6 16 54633 0.1629 0.5156 -0.42822
2008 6 17 54634 0.1655 0.5141 -0.42783
2008 6 18 54635 0.1681 0.5126 -0.42731
2008 6 19 54636 0.1707 0.5110 -0.42675
2008 6 20 54637 0.1732 0.5094 -0.42624
2008 6 21 54638 0.1757 0.5078 -0.42586
2008 6 22 54639 0.1782 0.5061 -0.42567
2008 6 23 54640 0.1806 0.5044 -0.42574
2008 6 24 54641 0.1831 0.5027 -0.42604
2008 6 25 54642 0.1855 0.5009 -0.42657
2008 6 26 54643 0.1878 0.4990 -0.42724
2008 6 27 54644 0.1902 0.4972 -0.42795
2008 6 28 54645 0.1925 0.4953 -0.42857
2008 6 29 54646 0.1947 0.4934 -0.42901
2008 6 30 54647 0.1970 0.4914 -0.42918
2008 7 1 54648 0.1992 0.4894 -0.42911
2008 7 2 54649 0.2013 0.4874 -0.42888
2008 7 3 54650 0.2035 0.4853 -0.42863
2008 7 4 54651 0.2056 0.4832 -0.42850
2008 7 5 54652 0.2076 0.4811 -0.42858
2008 7 6 54653 0.2097 0.4790 -0.42888
2008 7 7 54654 0.2116 0.4768 -0.42934
2008 7 8 54655 0.2136 0.4746 -0.42986
2008 7 9 54656 0.2155 0.4723 -0.43034
2008 7 10 54657 0.2174 0.4700 -0.43070
2008 7 11 54658 0.2192 0.4677 -0.43091
2008 7 12 54659 0.2210 0.4654 -0.43095
2008 7 13 54660 0.2228 0.4630 -0.43083
2008 7 14 54661 0.2245 0.4607 -0.43056
2008 7 15 54662 0.2262 0.4582 -0.43018
2008 7 16 54663 0.2278 0.4558 -0.42976
2008 7 17 54664 0.2294 0.4533 -0.42936
2008 7 18 54665 0.2310 0.4509 -0.42907
2008 7 19 54666 0.2325 0.4484 -0.42894
2008 7 20 54667 0.2340 0.4458 -0.42898
2008 7 21 54668 0.2354 0.4433 -0.42923
2008 7 22 54669 0.2368 0.4407 -0.42974
2008 7 23 54670 0.2381 0.4381 -0.43050
2008 7 24 54671 0.2394 0.4355 -0.43133
2008 7 25 54672 0.2407 0.4328 -0.43209
2008 7 26 54673 0.2419 0.4302 -0.43269
2008 7 27 54674 0.2431 0.4275 -0.43304
2008 7 28 54675 0.2442 0.4248 -0.43321
2008 7 29 54676 0.2453 0.4221 -0.43326
2008 7 30 54677 0.2463 0.4194 -0.43326
2008 7 31 54678 0.2473 0.4167 -0.43333
2008 8 1 54679 0.2482 0.4139 -0.43348
2008 8 2 54680 0.2491 0.4112 -0.43379
2008 8 3 54681 0.2499 0.4084 -0.43429
2008 8 4 54682 0.2507 0.4056 -0.43488
2008 8 5 54683 0.2515 0.4028 -0.43542
2008 8 6 54684 0.2522 0.4000 -0.43587
2008 8 7 54685 0.2528 0.3972 -0.43621
2008 8 8 54686 0.2534 0.3943 -0.43636
2008 8 9 54687 0.2540 0.3915 -0.43629
2008 8 10 54688 0.2545 0.3887 -0.43602
2008 8 11 54689 0.2549 0.3858 -0.43557
2008 8 12 54690 0.2554 0.3829 -0.43505
2008 8 13 54691 0.2557 0.3801 -0.43452
2008 8 14 54692 0.2560 0.3772 -0.43408
2008 8 15 54693 0.2563 0.3743 -0.43380
2008 8 16 54694 0.2565 0.3715 -0.43368
2008 8 17 54695 0.2567 0.3686 -0.43380
2008 8 18 54696 0.2568 0.3657 -0.43414
2008 8 19 54697 0.2569 0.3628 -0.43470
2008 8 20 54698 0.2569 0.3599 -0.43534
2008 8 21 54699 0.2568 0.3570 -0.43593
2008 8 22 54700 0.2568 0.3542 -0.43637
2008 8 23 54701 0.2566 0.3513 -0.43666
2008 8 24 54702 0.2564 0.3484 -0.43677
2008 8 25 54703 0.2562 0.3455 -0.43675
2008 8 26 54704 0.2559 0.3427 -0.43670
2008 8 27 54705 0.2556 0.3398 -0.43669
2008 8 28 54706 0.2552 0.3370 -0.43684
2008 8 29 54707 0.2548 0.3341 -0.43728
2008 8 30 54708 0.2543 0.3313 -0.43797
2008 8 31 54709 0.2538 0.3284 -0.43894
2008 9 1 54710 0.2533 0.3256 -0.44008
2008 9 2 54711 0.2526 0.3228 -0.44123
2008 9 3 54712 0.2520 0.3200 -0.44227
2008 9 4 54713 0.2513 0.3172 -0.44308
2008 9 5 54714 0.2505 0.3144 -0.44359
2008 9 6 54715 0.2497 0.3116 -0.44385
2008 9 7 54716 0.2488 0.3089 -0.44390
2008 9 8 54717 0.2479 0.3061 -0.44380
2008 9 9 54718 0.2470 0.3034 -0.44362
2008 9 10 54719 0.2460 0.3007 -0.44343
2008 9 11 54720 0.2450 0.2980 -0.44330
2008 9 12 54721 0.2439 0.2953 -0.44338
2008 9 13 54722 0.2427 0.2927 -0.44373
2008 9 14 54723 0.2416 0.2900 -0.44435
2008 9 15 54724 0.2403 0.2874 -0.44514
2008 9 16 54725 0.2391 0.2848 -0.44607
2008 9 17 54726 0.2378 0.2822 -0.44703
2008 9 18 54727 0.2364 0.2797 -0.44786
2008 9 19 54728 0.2350 0.2771 -0.44848
2008 9 20 54729 0.2336 0.2746 -0.44891
2008 9 21 54730 0.2321 0.2721 -0.44924
2008 9 22 54731 0.2305 0.2696 -0.44949
2008 9 23 54732 0.2290 0.2672 -0.44970
2008 9 24 54733 0.2274 0.2648 -0.44999
2008 9 25 54734 0.2257 0.2624 -0.45046
2008 9 26 54735 0.2240 0.2600 -0.45108
2008 9 27 54736 0.2223 0.2577 -0.45186
2008 9 28 54737 0.2205 0.2554 -0.45278
2008 9 29 54738 0.2187 0.2531 -0.45378
2008 9 30 54739 0.2168 0.2508 -0.45473
2008 10 1 54740 0.2149 0.2486 -0.45553
2008 10 2 54741 0.2130 0.2464 -0.45615
2008 10 3 54742 0.2110 0.2442 -0.45659
2008 10 4 54743 0.2090 0.2421 -0.45688
2008 10 5 54744 0.2070 0.2400 -0.45703
2008 10 6 54745 0.2049 0.2379 -0.45706
2008 10 7 54746 0.2028 0.2359 -0.45710
2008 10 8 54747 0.2007 0.2339 -0.45724
2008 10 9 54748 0.1985 0.2319 -0.45752
2008 10 10 54749 0.1963 0.2300 -0.45802
2008 10 11 54750 0.1940 0.2280 -0.45877
2008 10 12 54751 0.1917 0.2262 -0.45976
2008 10 13 54752 0.1894 0.2244 -0.46096
2008 10 14 54753 0.1871 0.2226 -0.46224
2008 10 15 54754 0.1847 0.2208 -0.46345
2008 10 16 54755 0.1823 0.2191 -0.46445
2008 10 17 54756 0.1799 0.2174 -0.46518
2008 10 18 54757 0.1774 0.2158 -0.46558
2008 10 19 54758 0.1749 0.2141 -0.46585
2008 10 20 54759 0.1724 0.2126 -0.46612
2008 10 21 54760 0.1699 0.2111 -0.46652
2008 10 22 54761 0.1673 0.2096 -0.46715
2008 10 23 54762 0.1647 0.2081 -0.46798
2008 10 24 54763 0.1621 0.2067 -0.46912
2008 10 25 54764 0.1594 0.2054 -0.47051
2008 10 26 54765 0.1568 0.2040 -0.47206
2008 10 27 54766 0.1541 0.2027 -0.47364
2008 10 28 54767 0.1514 0.2015 -0.47514
2008 10 29 54768 0.1486 0.2003 -0.47651
2008 10 30 54769 0.1459 0.1992 -0.47771
2008 10 31 54770 0.1431 0.1980 -0.47872
2008 11 1 54771 0.1403 0.1970 -0.47962
2008 11 2 54772 0.1375 0.1960 -0.48050
2008 11 3 54773 0.1347 0.1950 -0.48138
2008 11 4 54774 0.1318 0.1940 -0.48236
2008 11 5 54775 0.1290 0.1932 -0.48349
2008 11 6 54776 0.1261 0.1923 -0.48484
2008 11 7 54777 0.1232 0.1915 -0.48642
2008 11 8 54778 0.1203 0.1907 -0.48822
2008 11 9 54779 0.1174 0.1900 -0.49021
2008 11 10 54780 0.1145 0.1894 -0.49231
2008 11 11 54781 0.1115 0.1888 -0.49440
2008 11 12 54782 0.1086 0.1882 -0.49635
2008 11 13 54783 0.1056 0.1877 -0.49809
2008 11 14 54784 0.1027 0.1872 -0.49959
2008 11 15 54785 0.0997 0.1867 -0.50085
2008 11 16 54786 0.0967 0.1863 -0.50203
2008 11 17 54787 0.0937 0.1860 -0.50326
2008 11 18 54788 0.0907 0.1857 -0.50460
2008 11 19 54789 0.0877 0.1855 -0.50613
2008 11 20 54790 0.0847 0.1853 -0.50785
2008 11 21 54791 0.0817 0.1851 -0.50967
2008 11 22 54792 0.0787 0.1850 -0.51146
2008 11 23 54793 0.0757 0.1849 -0.51317
2008 11 24 54794 0.0727 0.1849 -0.51480
2008 11 25 54795 0.0697 0.1849 -0.51615
2008 11 26 54796 0.0667 0.1850 -0.51728
2008 11 27 54797 0.0637 0.1851 -0.51822
2008 11 28 54798 0.0607 0.1853 -0.51898
2008 11 29 54799 0.0576 0.1855 -0.51956
2008 11 30 54800 0.0546 0.1858 -0.52013
2008 12 1 54801 0.0517 0.1861 -0.52069
2008 12 2 54802 0.0487 0.1865 -0.52131
2008 12 3 54803 0.0457 0.1869 -0.52206
2008 12 4 54804 0.0427 0.1873 -0.52298
2008 12 5 54805 0.0397 0.1878 -0.52407
2008 12 6 54806 0.0368 0.1884 -0.52528
2008 12 7 54807 0.0338 0.1890 -0.52669
2008 12 8 54808 0.0309 0.1896 -0.52814
2008 12 9 54809 0.0280 0.1903 -0.52955
2008 12 10 54810 0.0250 0.1910 -0.53080
2008 12 11 54811 0.0221 0.1918 -0.53182
2008 12 12 54812 0.0192 0.1926 -0.53263
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)
54426 -62.79 .18 -3.63 .13
54427 -62.93 .18 -3.69 .13
54428 -62.64 .16 -3.94 .14
54429 -62.05 .16 -4.08 .34
54430 -61.60 .16 -3.95 .34
54431 -61.53 .16 -3.73 .34
54432 -61.61 .40 -3.67 .11
54433 -61.54 .40 -3.78 .11
54434 -61.41 .40 -3.77 .11
IAU2000A Celestial Pole Offset Series
MJD dX error dY error
(msec. of arc)
54426 -0.112 0.072 -0.012 0.130
54427 -0.105 0.072 -0.020 0.130
54428 -0.105 0.064 -0.001 0.140
54429 -0.116 0.064 -0.003 0.340
54430 -0.105 0.064 -0.055 0.340
54431 -0.065 0.064 -0.098 0.340
54432 -0.031 0.159 -0.069 0.110
54433 -0.017 0.159 -0.041 0.110
54434 -0.016 0.159 -0.029 0.110
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.