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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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17 April 2008 Vol. XXI No. 016
______________________________________________________________________
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
= -0.4 seconds beginning 13 March 2008 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
8 4 11 54567 -.03891 .00009 .50863 .00009 -.374642 .000008
8 4 12 54568 -.03663 .00009 .51032 .00009 -.375176 .000011
8 4 13 54569 -.03420 .00009 .51179 .00009 -.375779 .000012
8 4 14 54570 -.03163 .00009 .51294 .00009 -.376587 .000012
8 4 15 54571 -.02906 .00009 .51379 .00009 -.377692 .000037
8 4 16 54572 -.02648 .00009 .51459 .00009 -.378964 .000048
8 4 17 54573 -.02366 .00009 .51557 .00009 -.380338 .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 = .0691 - .0706 cos A + .0765 sin A - .0152 cos C + .0954 sin C
y = .3507 + .0686 cos A + .0698 sin A + .0954 cos C + .0152 sin C
UT1-UTC = -.3465 - .00080 (MJD - 54581) - (UT2-UT1)
where A = 2*pi*(MJD-54573)/365.25 and C = 2*pi*(MJD-54573)/435.
TAI-UTC(MJD 54574) = 33.0
The accuracy may be estimated from the expressions:
S x,y = 0.00068 (MJD-54573)**0.80 S t = 0.00025 (MJD-54573)**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)
2008 4 18 54574 -0.0209 0.5166 -0.38178
2008 4 19 54575 -0.0179 0.5179 -0.38313
2008 4 20 54576 -0.0150 0.5191 -0.38430
2008 4 21 54577 -0.0121 0.5203 -0.38531
2008 4 22 54578 -0.0091 0.5214 -0.38617
2008 4 23 54579 -0.0062 0.5226 -0.38689
2008 4 24 54580 -0.0032 0.5236 -0.38751
2008 4 25 54581 -0.0003 0.5247 -0.38808
2008 4 26 54582 0.0027 0.5257 -0.38862
2008 4 27 54583 0.0057 0.5266 -0.38921
2008 4 28 54584 0.0088 0.5276 -0.38987
2008 4 29 54585 0.0118 0.5284 -0.39072
2008 4 30 54586 0.0148 0.5293 -0.39178
2008 5 1 54587 0.0179 0.5300 -0.39303
2008 5 2 54588 0.0210 0.5308 -0.39441
2008 5 3 54589 0.0241 0.5315 -0.39584
2008 5 4 54590 0.0272 0.5321 -0.39721
2008 5 5 54591 0.0303 0.5327 -0.39839
2008 5 6 54592 0.0334 0.5333 -0.39928
2008 5 7 54593 0.0366 0.5338 -0.39989
2008 5 8 54594 0.0397 0.5342 -0.40031
2008 5 9 54595 0.0429 0.5346 -0.40070
2008 5 10 54596 0.0460 0.5350 -0.40118
2008 5 11 54597 0.0492 0.5353 -0.40186
2008 5 12 54598 0.0524 0.5356 -0.40273
2008 5 13 54599 0.0555 0.5358 -0.40373
2008 5 14 54600 0.0587 0.5359 -0.40479
2008 5 15 54601 0.0619 0.5361 -0.40581
2008 5 16 54602 0.0651 0.5361 -0.40673
2008 5 17 54603 0.0683 0.5361 -0.40749
2008 5 18 54604 0.0715 0.5361 -0.40805
2008 5 19 54605 0.0746 0.5360 -0.40840
2008 5 20 54606 0.0778 0.5359 -0.40854
2008 5 21 54607 0.0810 0.5358 -0.40852
2008 5 22 54608 0.0842 0.5355 -0.40839
2008 5 23 54609 0.0874 0.5353 -0.40824
2008 5 24 54610 0.0905 0.5350 -0.40812
2008 5 25 54611 0.0937 0.5346 -0.40812
2008 5 26 54612 0.0969 0.5342 -0.40829
2008 5 27 54613 0.1000 0.5337 -0.40867
2008 5 28 54614 0.1032 0.5332 -0.40926
2008 5 29 54615 0.1063 0.5327 -0.41003
2008 5 30 54616 0.1094 0.5321 -0.41092
2008 5 31 54617 0.1126 0.5314 -0.41180
2008 6 1 54618 0.1157 0.5307 -0.41254
2008 6 2 54619 0.1188 0.5300 -0.41304
2008 6 3 54620 0.1218 0.5292 -0.41327
2008 6 4 54621 0.1249 0.5283 -0.41328
2008 6 5 54622 0.1280 0.5275 -0.41320
2008 6 6 54623 0.1310 0.5265 -0.41318
2008 6 7 54624 0.1340 0.5255 -0.41334
2008 6 8 54625 0.1370 0.5245 -0.41371
2008 6 9 54626 0.1400 0.5234 -0.41427
2008 6 10 54627 0.1430 0.5223 -0.41494
2008 6 11 54628 0.1460 0.5212 -0.41562
2008 6 12 54629 0.1489 0.5200 -0.41621
2008 6 13 54630 0.1518 0.5187 -0.41665
2008 6 14 54631 0.1547 0.5174 -0.41691
2008 6 15 54632 0.1576 0.5161 -0.41696
2008 6 16 54633 0.1604 0.5147 -0.41683
2008 6 17 54634 0.1632 0.5133 -0.41653
2008 6 18 54635 0.1660 0.5118 -0.41612
2008 6 19 54636 0.1688 0.5103 -0.41569
2008 6 20 54637 0.1716 0.5087 -0.41531
2008 6 21 54638 0.1743 0.5072 -0.41504
2008 6 22 54639 0.1770 0.5055 -0.41493
2008 6 23 54640 0.1796 0.5038 -0.41502
2008 6 24 54641 0.1823 0.5021 -0.41530
2008 6 25 54642 0.1849 0.5004 -0.41575
2008 6 26 54643 0.1875 0.4986 -0.41630
2008 6 27 54644 0.1900 0.4967 -0.41686
2008 6 28 54645 0.1925 0.4949 -0.41732
2008 6 29 54646 0.1950 0.4929 -0.41757
2008 6 30 54647 0.1975 0.4910 -0.41756
2008 7 1 54648 0.1999 0.4890 -0.41731
2008 7 2 54649 0.2023 0.4870 -0.41692
2008 7 3 54650 0.2046 0.4849 -0.41653
2008 7 4 54651 0.2070 0.4828 -0.41627
2008 7 5 54652 0.2092 0.4807 -0.41623
2008 7 6 54653 0.2115 0.4785 -0.41641
2008 7 7 54654 0.2137 0.4763 -0.41676
2008 7 8 54655 0.2159 0.4741 -0.41716
2008 7 9 54656 0.2180 0.4718 -0.41752
2008 7 10 54657 0.2201 0.4695 -0.41774
2008 7 11 54658 0.2221 0.4672 -0.41778
2008 7 12 54659 0.2242 0.4648 -0.41764
2008 7 13 54660 0.2261 0.4624 -0.41730
2008 7 14 54661 0.2281 0.4600 -0.41680
2008 7 15 54662 0.2300 0.4575 -0.41618
2008 7 16 54663 0.2318 0.4550 -0.41552
2008 7 17 54664 0.2336 0.4525 -0.41488
2008 7 18 54665 0.2354 0.4500 -0.41434
2008 7 19 54666 0.2371 0.4474 -0.41397
2008 7 20 54667 0.2388 0.4448 -0.41379
2008 7 21 54668 0.2404 0.4422 -0.41383
2008 7 22 54669 0.2420 0.4395 -0.41404
2008 7 23 54670 0.2435 0.4369 -0.41436
2008 7 24 54671 0.2450 0.4342 -0.41470
2008 7 25 54672 0.2465 0.4314 -0.41497
2008 7 26 54673 0.2479 0.4287 -0.41506
2008 7 27 54674 0.2493 0.4259 -0.41492
2008 7 28 54675 0.2506 0.4232 -0.41457
2008 7 29 54676 0.2518 0.4204 -0.41406
2008 7 30 54677 0.2531 0.4175 -0.41353
2008 7 31 54678 0.2542 0.4147 -0.41310
2008 8 1 54679 0.2554 0.4118 -0.41289
2008 8 2 54680 0.2564 0.4090 -0.41293
2008 8 3 54681 0.2574 0.4061 -0.41318
2008 8 4 54682 0.2584 0.4032 -0.41354
2008 8 5 54683 0.2593 0.4002 -0.41390
2008 8 6 54684 0.2602 0.3973 -0.41417
2008 8 7 54685 0.2610 0.3943 -0.41427
2008 8 8 54686 0.2618 0.3914 -0.41417
2008 8 9 54687 0.2625 0.3884 -0.41388
2008 8 10 54688 0.2632 0.3854 -0.41343
2008 8 11 54689 0.2638 0.3824 -0.41285
2008 8 12 54690 0.2644 0.3794 -0.41223
2008 8 13 54691 0.2649 0.3764 -0.41163
2008 8 14 54692 0.2654 0.3734 -0.41113
2008 8 15 54693 0.2658 0.3703 -0.41080
2008 8 16 54694 0.2662 0.3673 -0.41070
2008 8 17 54695 0.2665 0.3643 -0.41084
2008 8 18 54696 0.2668 0.3612 -0.41120
2008 8 19 54697 0.2670 0.3582 -0.41173
2008 8 20 54698 0.2671 0.3551 -0.41231
2008 8 21 54699 0.2672 0.3520 -0.41285
2008 8 22 54700 0.2673 0.3490 -0.41323
2008 8 23 54701 0.2673 0.3459 -0.41340
2008 8 24 54702 0.2673 0.3429 -0.41336
2008 8 25 54703 0.2672 0.3398 -0.41316
2008 8 26 54704 0.2670 0.3367 -0.41292
2008 8 27 54705 0.2668 0.3337 -0.41275
2008 8 28 54706 0.2666 0.3306 -0.41277
2008 8 29 54707 0.2663 0.3276 -0.41304
2008 8 30 54708 0.2659 0.3245 -0.41357
2008 8 31 54709 0.2655 0.3215 -0.41428
2008 9 1 54710 0.2650 0.3184 -0.41507
2008 9 2 54711 0.2645 0.3154 -0.41582
2008 9 3 54712 0.2639 0.3124 -0.41644
2008 9 4 54713 0.2633 0.3094 -0.41688
2008 9 5 54714 0.2627 0.3064 -0.41712
2008 9 6 54715 0.2620 0.3034 -0.41718
2008 9 7 54716 0.2612 0.3004 -0.41711
2008 9 8 54717 0.2604 0.2974 -0.41697
2008 9 9 54718 0.2595 0.2945 -0.41684
2008 9 10 54719 0.2586 0.2915 -0.41678
2008 9 11 54720 0.2576 0.2886 -0.41688
2008 9 12 54721 0.2566 0.2857 -0.41718
2008 9 13 54722 0.2555 0.2827 -0.41774
2008 9 14 54723 0.2544 0.2799 -0.41854
2008 9 15 54724 0.2533 0.2770 -0.41954
2008 9 16 54725 0.2520 0.2741 -0.42066
2008 9 17 54726 0.2508 0.2713 -0.42177
2008 9 18 54727 0.2495 0.2685 -0.42275
2008 9 19 54728 0.2481 0.2657 -0.42351
2008 9 20 54729 0.2467 0.2629 -0.42405
2008 9 21 54730 0.2453 0.2602 -0.42439
2008 9 22 54731 0.2438 0.2574 -0.42465
2008 9 23 54732 0.2422 0.2547 -0.42495
2008 9 24 54733 0.2407 0.2520 -0.42540
2008 9 25 54734 0.2390 0.2494 -0.42608
2008 9 26 54735 0.2373 0.2467 -0.42701
2008 9 27 54736 0.2356 0.2441 -0.42813
2008 9 28 54737 0.2339 0.2415 -0.42936
2008 9 29 54738 0.2321 0.2390 -0.43061
2008 9 30 54739 0.2302 0.2364 -0.43176
2008 10 1 54740 0.2283 0.2339 -0.43276
2008 10 2 54741 0.2264 0.2315 -0.43355
2008 10 3 54742 0.2244 0.2290 -0.43416
2008 10 4 54743 0.2224 0.2266 -0.43461
2008 10 5 54744 0.2203 0.2242 -0.43497
2008 10 6 54745 0.2182 0.2219 -0.43530
2008 10 7 54746 0.2161 0.2195 -0.43568
2008 10 8 54747 0.2139 0.2172 -0.43617
2008 10 9 54748 0.2117 0.2150 -0.43684
2008 10 10 54749 0.2094 0.2128 -0.43774
2008 10 11 54750 0.2072 0.2106 -0.43888
2008 10 12 54751 0.2048 0.2084 -0.44024
2008 10 13 54752 0.2025 0.2063 -0.44177
2008 10 14 54753 0.2001 0.2042 -0.44334
2008 10 15 54754 0.1976 0.2022 -0.44484
2008 10 16 54755 0.1952 0.2001 -0.44614
2008 10 17 54756 0.1927 0.1982 -0.44720
2008 10 18 54757 0.1902 0.1962 -0.44803
2008 10 19 54758 0.1876 0.1943 -0.44872
2008 10 20 54759 0.1850 0.1925 -0.44940
2008 10 21 54760 0.1824 0.1907 -0.45019
2008 10 22 54761 0.1797 0.1889 -0.45117
2008 10 23 54762 0.1770 0.1872 -0.45237
2008 10 24 54763 0.1743 0.1855 -0.45373
2008 10 25 54764 0.1716 0.1838 -0.45517
2008 10 26 54765 0.1688 0.1822 -0.45661
2008 10 27 54766 0.1660 0.1806 -0.45794
2008 10 28 54767 0.1632 0.1791 -0.45908
2008 10 29 54768 0.1604 0.1776 -0.45999
2008 10 30 54769 0.1575 0.1762 -0.46066
2008 10 31 54770 0.1546 0.1748 -0.46110
2008 11 1 54771 0.1517 0.1734 -0.46138
2008 11 2 54772 0.1488 0.1721 -0.46158
2008 11 3 54773 0.1458 0.1708 -0.46178
2008 11 4 54774 0.1428 0.1696 -0.46208
2008 11 5 54775 0.1398 0.1684 -0.46253
2008 11 6 54776 0.1368 0.1673 -0.46320
2008 11 7 54777 0.1338 0.1662 -0.46409
2008 11 8 54778 0.1307 0.1652 -0.46521
2008 11 9 54779 0.1276 0.1642 -0.46650
2008 11 10 54780 0.1246 0.1632 -0.46789
2008 11 11 54781 0.1215 0.1623 -0.46925
2008 11 12 54782 0.1184 0.1615 -0.47047
2008 11 13 54783 0.1152 0.1607 -0.47146
2008 11 14 54784 0.1121 0.1599 -0.47222
2008 11 15 54785 0.1089 0.1592 -0.47282
2008 11 16 54786 0.1058 0.1586 -0.47340
2008 11 17 54787 0.1026 0.1579 -0.47411
2008 11 18 54788 0.0994 0.1574 -0.47503
2008 11 19 54789 0.0962 0.1569 -0.47620
2008 11 20 54790 0.0930 0.1564 -0.47755
2008 11 21 54791 0.0898 0.1560 -0.47901
2008 11 22 54792 0.0866 0.1556 -0.48046
2008 11 23 54793 0.0834 0.1553 -0.48185
2008 11 24 54794 0.0802 0.1550 -0.48307
2008 11 25 54795 0.0770 0.1548 -0.48405
2008 11 26 54796 0.0737 0.1546 -0.48482
2008 11 27 54797 0.0705 0.1545 -0.48544
2008 11 28 54798 0.0673 0.1544 -0.48594
2008 11 29 54799 0.0641 0.1544 -0.48637
2008 11 30 54800 0.0608 0.1544 -0.48675
2008 12 1 54801 0.0576 0.1545 -0.48719
2008 12 2 54802 0.0544 0.1546 -0.48778
2008 12 3 54803 0.0512 0.1548 -0.48850
2008 12 4 54804 0.0480 0.1550 -0.48940
2008 12 5 54805 0.0448 0.1553 -0.49047
2008 12 6 54806 0.0415 0.1556 -0.49169
2008 12 7 54807 0.0384 0.1560 -0.49301
2008 12 8 54808 0.0352 0.1564 -0.49428
2008 12 9 54809 0.0320 0.1568 -0.49548
2008 12 10 54810 0.0288 0.1574 -0.49655
2008 12 11 54811 0.0257 0.1579 -0.49738
2008 12 12 54812 0.0225 0.1585 -0.49800
2008 12 13 54813 0.0194 0.1592 -0.49851
2008 12 14 54814 0.0162 0.1599 -0.49906
2008 12 15 54815 0.0131 0.1606 -0.49976
2008 12 16 54816 0.0100 0.1614 -0.50071
2008 12 17 54817 0.0069 0.1623 -0.50187
2008 12 18 54818 0.0039 0.1632 -0.50314
2008 12 19 54819 0.0008 0.1641 -0.50438
2008 12 20 54820 -0.0022 0.1651 -0.50542
2008 12 21 54821 -0.0052 0.1662 -0.50622
2008 12 22 54822 -0.0082 0.1672 -0.50678
2008 12 23 54823 -0.0112 0.1684 -0.50709
2008 12 24 54824 -0.0142 0.1695 -0.50722
2008 12 25 54825 -0.0171 0.1708 -0.50722
2008 12 26 54826 -0.0200 0.1720 -0.50714
2008 12 27 54827 -0.0229 0.1733 -0.50707
2008 12 28 54828 -0.0258 0.1747 -0.50712
2008 12 29 54829 -0.0286 0.1761 -0.50733
2008 12 30 54830 -0.0314 0.1775 -0.50772
2008 12 31 54831 -0.0342 0.1790 -0.50829
2009 1 1 54832 -0.0370 0.1805 -0.50900
2009 1 2 54833 -0.0397 0.1821 -0.50981
2009 1 3 54834 -0.0425 0.1837 -0.51064
2009 1 4 54835 -0.0451 0.1853 -0.51152
2009 1 5 54836 -0.0478 0.1870 -0.51236
2009 1 6 54837 -0.0504 0.1888 -0.51310
2009 1 7 54838 -0.0530 0.1905 -0.51371
2009 1 8 54839 -0.0556 0.1923 -0.51413
2009 1 9 54840 -0.0581 0.1942 -0.51441
2009 1 10 54841 -0.0606 0.1961 -0.51471
2009 1 11 54842 -0.0631 0.1980 -0.51521
2009 1 12 54843 -0.0655 0.2000 -0.51599
2009 1 13 54844 -0.0679 0.2020 -0.51707
2009 1 14 54845 -0.0703 0.2040 -0.51838
2009 1 15 54846 -0.0726 0.2061 -0.51977
2009 1 16 54847 -0.0749 0.2082 -0.52111
2009 1 17 54848 -0.0771 0.2103 -0.52231
2009 1 18 54849 -0.0793 0.2125 -0.52324
2009 1 19 54850 -0.0815 0.2147 -0.52391
2009 1 20 54851 -0.0837 0.2170 -0.52440
2009 1 21 54852 -0.0858 0.2193 -0.52473
2009 1 22 54853 -0.0878 0.2216 -0.52493
2009 1 23 54854 -0.0899 0.2239 -0.52505
2009 1 24 54855 -0.0918 0.2263 -0.52519
2009 1 25 54856 -0.0938 0.2287 -0.52543
2009 1 26 54857 -0.0957 0.2311 -0.52588
2009 1 27 54858 -0.0975 0.2336 -0.52654
2009 1 28 54859 -0.0993 0.2361 -0.52741
2009 1 29 54860 -0.1011 0.2386 -0.52846
2009 1 30 54861 -0.1028 0.2412 -0.52964
2009 1 31 54862 -0.1045 0.2437 -0.53089
2009 2 1 54863 -0.1062 0.2463 -0.53212
2009 2 2 54864 -0.1077 0.2489 -0.53324
2009 2 3 54865 -0.1093 0.2516 -0.53418
2009 2 4 54866 -0.1108 0.2543 -0.53495
2009 2 5 54867 -0.1123 0.2570 -0.53559
2009 2 6 54868 -0.1137 0.2597 -0.53620
2009 2 7 54869 -0.1150 0.2624 -0.53696
2009 2 8 54870 -0.1163 0.2652 -0.53792
2009 2 9 54871 -0.1176 0.2680 -0.53916
2009 2 10 54872 -0.1188 0.2708 -0.54061
2009 2 11 54873 -0.1200 0.2736 -0.54229
2009 2 12 54874 -0.1211 0.2764 -0.54407
2009 2 13 54875 -0.1222 0.2793 -0.54576
2009 2 14 54876 -0.1232 0.2821 -0.54729
2009 2 15 54877 -0.1242 0.2850 -0.54862
2009 2 16 54878 -0.1251 0.2879 -0.54978
2009 2 17 54879 -0.1260 0.2908 -0.55076
2009 2 18 54880 -0.1268 0.2938 -0.55159
2009 2 19 54881 -0.1276 0.2967 -0.55237
2009 2 20 54882 -0.1284 0.2996 -0.55320
2009 2 21 54883 -0.1290 0.3026 -0.55409
2009 2 22 54884 -0.1297 0.3056 -0.55511
2009 2 23 54885 -0.1302 0.3086 -0.55627
2009 2 24 54886 -0.1308 0.3116 -0.55760
2009 2 25 54887 -0.1313 0.3146 -0.55909
2009 2 26 54888 -0.1317 0.3176 -0.56068
2009 2 27 54889 -0.1321 0.3206 -0.56234
2009 2 28 54890 -0.1324 0.3236 -0.56399
2009 3 1 54891 -0.1327 0.3266 -0.56552
2009 3 2 54892 -0.1329 0.3297 -0.56684
2009 3 3 54893 -0.1330 0.3327 -0.56793
2009 3 4 54894 -0.1332 0.3357 -0.56885
2009 3 5 54895 -0.1332 0.3388 -0.56965
2009 3 6 54896 -0.1332 0.3418 -0.57046
2009 3 7 54897 -0.1332 0.3448 -0.57144
2009 3 8 54898 -0.1331 0.3479 -0.57268
2009 3 9 54899 -0.1330 0.3509 -0.57421
2009 3 10 54900 -0.1328 0.3539 -0.57597
2009 3 11 54901 -0.1326 0.3570 -0.57780
2009 3 12 54902 -0.1323 0.3600 -0.57955
2009 3 13 54903 -0.1319 0.3630 -0.58115
2009 3 14 54904 -0.1315 0.3661 -0.58259
2009 3 15 54905 -0.1311 0.3691 -0.58385
2009 3 16 54906 -0.1306 0.3721 -0.58495
2009 3 17 54907 -0.1301 0.3751 -0.58589
2009 3 18 54908 -0.1295 0.3781 -0.58669
2009 3 19 54909 -0.1288 0.3810 -0.58749
2009 3 20 54910 -0.1281 0.3840 -0.58842
2009 3 21 54911 -0.1274 0.3870 -0.58954
2009 3 22 54912 -0.1266 0.3899 -0.59084
2009 3 23 54913 -0.1257 0.3929 -0.59231
2009 3 24 54914 -0.1248 0.3958 -0.59396
2009 3 25 54915 -0.1239 0.3987 -0.59577
2009 3 26 54916 -0.1229 0.4016 -0.59768
2009 3 27 54917 -0.1219 0.4045 -0.59961
2009 3 28 54918 -0.1208 0.4073 -0.60145
2009 3 29 54919 -0.1197 0.4102 -0.60304
2009 3 30 54920 -0.1185 0.4130 -0.60441
2009 3 31 54921 -0.1173 0.4158 -0.60567
2009 4 1 54922 -0.1160 0.4186 -0.60697
2009 4 2 54923 -0.1147 0.4214 -0.60829
2009 4 3 54924 -0.1133 0.4242 -0.60971
2009 4 4 54925 -0.1119 0.4269 -0.61132
2009 4 5 54926 -0.1104 0.4296 -0.61315
2009 4 6 54927 -0.1089 0.4323 -0.61522
2009 4 7 54928 -0.1074 0.4350 -0.61745
2009 4 8 54929 -0.1058 0.4376 -0.61969
2009 4 9 54930 -0.1042 0.4402 -0.62179
2009 4 10 54931 -0.1025 0.4428 -0.62357
2009 4 11 54932 -0.1008 0.4454 -0.62504
2009 4 12 54933 -0.0990 0.4479 -0.62623
2009 4 13 54934 -0.0972 0.4505 -0.62721
2009 4 14 54935 -0.0954 0.4530 -0.62799
2009 4 15 54936 -0.0935 0.4554 -0.62873
2009 4 16 54937 -0.0916 0.4578 -0.62954
2009 4 17 54938 -0.0896 0.4602 -0.63044
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)
54554 -56.84 .74 -7.12 .11
54555 -56.45 .26 -7.36 .34
54556 -56.17 .26 -7.38 .34
54557 -56.14 .35 -7.27 .11
54558 -56.35 .28 -7.23 .34
54559 -56.55 .28 -7.25 .34
54560 -56.51 .28 -7.12 .34
IAU2000A Celestial Pole Offset Series
MJD dX error dY error
(msec. of arc)
54554 0.276 0.294 -0.127 0.110
54555 0.306 0.103 -0.106 0.340
54556 0.318 0.103 -0.066 0.340
54557 0.311 0.139 -0.031 0.110
54558 0.298 0.111 -0.022 0.340
54559 0.284 0.111 -0.016 0.340
54560 0.269 0.111 -0.013 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.