********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 10 January 2008 Vol. XXI No. 002 ______________________________________________________________________ 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 = -0.3 seconds beginning 29 November 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 8 1 4 54469 -.08556 .00009 .26378 .00010 -.275953 .000009 8 1 5 54470 -.08795 .00009 .26552 .00009 -.276615 .000011 8 1 6 54471 -.09033 .00009 .26714 .00010 -.277208 .000012 8 1 7 54472 -.09261 .00009 .26880 .00010 -.277746 .000012 8 1 8 54473 -.09446 .00009 .27059 .00010 -.278265 .000013 8 1 9 54474 -.09605 .00009 .27260 .00010 -.278838 .000048 8 1 10 54475 -.09757 .00009 .27480 .00010 -.279595 .000057 IERS Final Values MJD x y UT1-UTC " " s 7 11 6 54410 .0340 .1928 -.21779 7 11 7 54411 .0323 .1931 -.21885 7 11 8 54412 .0302 .1933 -.21991 7 11 9 54413 .0278 .1934 -.22084 7 11 10 54414 .0253 .1935 -.22160 7 11 11 54415 .0228 .1936 -.22217 7 11 12 54416 .0200 .1942 -.22260 7 11 13 54417 .0170 .1947 -.22290 7 11 14 54418 .0141 .1950 -.22327 7 11 15 54419 .0111 .1955 -.22374 7 11 16 54420 .0079 .1961 -.22444 7 11 17 54421 .0046 .1964 -.22543 7 11 18 54422 .0014 .1970 -.22668 7 11 19 54423 -.0015 .1981 -.22828 7 11 20 54424 -.0042 .1994 -.23011 7 11 21 54425 -.0069 .2008 -.23210 7 11 22 54426 -.0095 .2023 -.23412 7 11 23 54427 -.0119 .2038 -.23599 7 11 24 54428 -.0148 .2045 -.23755 7 11 25 54429 -.0181 .2049 -.23876 7 11 26 54430 -.0208 .2052 -.23977 7 11 27 54431 -.0230 .2059 -.24069 7 11 28 54432 -.0253 .2070 -.24162 7 11 29 54433 -.0273 .2082 -.24271 7 11 30 54434 -.0286 .2095 -.24405 7 12 1 54435 -.0296 .2111 -.24557 7 12 2 54436 -.0307 .2127 -.24710 7 12 3 54437 -.0320 .2142 -.24874 7 12 4 54438 -.0340 .2158 -.25025 7 12 5 54439 -.0367 .2172 -.25160 _______________________________________________________________________ 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 = .0541 - .0633 cos A - .0720 sin A - .0958 cos C - .0065 sin C y = .3499 - .0703 cos A + .0587 sin A - .0065 cos C + .0958 sin C UT1-UTC = -.2863 - .00086 (MJD - 54483) - (UT2-UT1) where A = 2*pi*(MJD-54475)/365.25 and C = 2*pi*(MJD-54475)/435. TAI-UTC(MJD 54476) = 33.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-54475)**0.80 S t = 0.00025 (MJD-54475)**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 1 11 54476 -0.0990 0.2771 -0.28056 2008 1 12 54477 -0.1005 0.2794 -0.28172 2008 1 13 54478 -0.1019 0.2818 -0.28303 2008 1 14 54479 -0.1034 0.2842 -0.28442 2008 1 15 54480 -0.1048 0.2866 -0.28579 2008 1 16 54481 -0.1061 0.2891 -0.28703 2008 1 17 54482 -0.1073 0.2917 -0.28803 2008 1 18 54483 -0.1085 0.2943 -0.28877 2008 1 19 54484 -0.1096 0.2969 -0.28928 2008 1 20 54485 -0.1106 0.2996 -0.28968 2008 1 21 54486 -0.1117 0.3022 -0.29011 2008 1 22 54487 -0.1126 0.3050 -0.29070 2008 1 23 54488 -0.1135 0.3077 -0.29154 2008 1 24 54489 -0.1144 0.3104 -0.29266 2008 1 25 54490 -0.1152 0.3132 -0.29401 2008 1 26 54491 -0.1159 0.3160 -0.29545 2008 1 27 54492 -0.1167 0.3188 -0.29687 2008 1 28 54493 -0.1173 0.3217 -0.29819 2008 1 29 54494 -0.1179 0.3245 -0.29933 2008 1 30 54495 -0.1185 0.3274 -0.30028 2008 1 31 54496 -0.1190 0.3303 -0.30103 2008 2 1 54497 -0.1194 0.3331 -0.30161 2008 2 2 54498 -0.1198 0.3360 -0.30205 2008 2 3 54499 -0.1202 0.3389 -0.30242 2008 2 4 54500 -0.1205 0.3418 -0.30278 2008 2 5 54501 -0.1207 0.3447 -0.30323 2008 2 6 54502 -0.1210 0.3477 -0.30385 2008 2 7 54503 -0.1211 0.3506 -0.30469 2008 2 8 54504 -0.1212 0.3535 -0.30580 2008 2 9 54505 -0.1213 0.3564 -0.30715 2008 2 10 54506 -0.1213 0.3594 -0.30866 2008 2 11 54507 -0.1212 0.3623 -0.31022 2008 2 12 54508 -0.1211 0.3652 -0.31168 2008 2 13 54509 -0.1210 0.3682 -0.31295 2008 2 14 54510 -0.1208 0.3711 -0.31397 2008 2 15 54511 -0.1206 0.3740 -0.31478 2008 2 16 54512 -0.1203 0.3769 -0.31547 2008 2 17 54513 -0.1199 0.3799 -0.31613 2008 2 18 54514 -0.1196 0.3828 -0.31689 2008 2 19 54515 -0.1191 0.3857 -0.31783 2008 2 20 54516 -0.1186 0.3886 -0.31900 2008 2 21 54517 -0.1181 0.3915 -0.32037 2008 2 22 54518 -0.1175 0.3943 -0.32186 2008 2 23 54519 -0.1169 0.3972 -0.32339 2008 2 24 54520 -0.1162 0.4001 -0.32485 2008 2 25 54521 -0.1155 0.4029 -0.32617 2008 2 26 54522 -0.1147 0.4058 -0.32731 2008 2 27 54523 -0.1139 0.4086 -0.32824 2008 2 28 54524 -0.1130 0.4114 -0.32900 2008 2 29 54525 -0.1121 0.4142 -0.32960 2008 3 1 54526 -0.1111 0.4170 -0.33012 2008 3 2 54527 -0.1101 0.4198 -0.33062 2008 3 3 54528 -0.1091 0.4226 -0.33118 2008 3 4 54529 -0.1079 0.4253 -0.33191 2008 3 5 54530 -0.1068 0.4280 -0.33287 2008 3 6 54531 -0.1056 0.4307 -0.33410 2008 3 7 54532 -0.1044 0.4334 -0.33561 2008 3 8 54533 -0.1031 0.4361 -0.33731 2008 3 9 54534 -0.1017 0.4388 -0.33909 2008 3 10 54535 -0.1004 0.4414 -0.34079 2008 3 11 54536 -0.0989 0.4440 -0.34228 2008 3 12 54537 -0.0975 0.4466 -0.34351 2008 3 13 54538 -0.0960 0.4491 -0.34447 2008 3 14 54539 -0.0944 0.4517 -0.34524 2008 3 15 54540 -0.0928 0.4542 -0.34595 2008 3 16 54541 -0.0912 0.4567 -0.34672 2008 3 17 54542 -0.0895 0.4592 -0.34765 2008 3 18 54543 -0.0878 0.4616 -0.34880 2008 3 19 54544 -0.0860 0.4640 -0.35017 2008 3 20 54545 -0.0842 0.4664 -0.35169 2008 3 21 54546 -0.0824 0.4688 -0.35330 2008 3 22 54547 -0.0805 0.4711 -0.35490 2008 3 23 54548 -0.0786 0.4734 -0.35641 2008 3 24 54549 -0.0766 0.4757 -0.35776 2008 3 25 54550 -0.0746 0.4779 -0.35893 2008 3 26 54551 -0.0726 0.4801 -0.35991 2008 3 27 54552 -0.0705 0.4823 -0.36074 2008 3 28 54553 -0.0684 0.4844 -0.36146 2008 3 29 54554 -0.0662 0.4865 -0.36213 2008 3 30 54555 -0.0641 0.4886 -0.36283 2008 3 31 54556 -0.0619 0.4907 -0.36364 2008 4 1 54557 -0.0596 0.4927 -0.36463 2008 4 2 54558 -0.0573 0.4947 -0.36587 2008 4 3 54559 -0.0550 0.4966 -0.36738 2008 4 4 54560 -0.0527 0.4985 -0.36913 2008 4 5 54561 -0.0503 0.5004 -0.37102 2008 4 6 54562 -0.0479 0.5022 -0.37290 2008 4 7 54563 -0.0454 0.5040 -0.37463 2008 4 8 54564 -0.0429 0.5058 -0.37609 2008 4 9 54565 -0.0404 0.5075 -0.37725 2008 4 10 54566 -0.0379 0.5092 -0.37816 2008 4 11 54567 -0.0353 0.5108 -0.37895 2008 4 12 54568 -0.0328 0.5124 -0.37975 2008 4 13 54569 -0.0301 0.5140 -0.38067 2008 4 14 54570 -0.0275 0.5155 -0.38178 2008 4 15 54571 -0.0248 0.5170 -0.38308 2008 4 16 54572 -0.0221 0.5184 -0.38453 2008 4 17 54573 -0.0194 0.5198 -0.38606 2008 4 18 54574 -0.0167 0.5212 -0.38758 2008 4 19 54575 -0.0139 0.5225 -0.38903 2008 4 20 54576 -0.0111 0.5237 -0.39033 2008 4 21 54577 -0.0083 0.5250 -0.39144 2008 4 22 54578 -0.0055 0.5261 -0.39237 2008 4 23 54579 -0.0027 0.5273 -0.39311 2008 4 24 54580 0.0002 0.5284 -0.39373 2008 4 25 54581 0.0031 0.5294 -0.39428 2008 4 26 54582 0.0060 0.5304 -0.39483 2008 4 27 54583 0.0089 0.5314 -0.39546 2008 4 28 54584 0.0118 0.5323 -0.39622 2008 4 29 54585 0.0148 0.5332 -0.39719 2008 4 30 54586 0.0178 0.5340 -0.39839 2008 5 1 54587 0.0207 0.5348 -0.39982 2008 5 2 54588 0.0237 0.5355 -0.40143 2008 5 3 54589 0.0267 0.5362 -0.40311 2008 5 4 54590 0.0297 0.5369 -0.40471 2008 5 5 54591 0.0328 0.5375 -0.40609 2008 5 6 54592 0.0358 0.5380 -0.40716 2008 5 7 54593 0.0388 0.5385 -0.40795 2008 5 8 54594 0.0419 0.5390 -0.40854 2008 5 9 54595 0.0450 0.5394 -0.40908 2008 5 10 54596 0.0480 0.5397 -0.40971 2008 5 11 54597 0.0511 0.5401 -0.41050 2008 5 12 54598 0.0542 0.5403 -0.41148 2008 5 13 54599 0.0572 0.5405 -0.41260 2008 5 14 54600 0.0603 0.5407 -0.41379 2008 5 15 54601 0.0634 0.5408 -0.41496 2008 5 16 54602 0.0665 0.5409 -0.41606 2008 5 17 54603 0.0696 0.5409 -0.41700 2008 5 18 54604 0.0727 0.5409 -0.41776 2008 5 19 54605 0.0758 0.5408 -0.41831 2008 5 20 54606 0.0789 0.5407 -0.41867 2008 5 21 54607 0.0820 0.5406 -0.41888 2008 5 22 54608 0.0850 0.5404 -0.41898 2008 5 23 54609 0.0881 0.5401 -0.41907 2008 5 24 54610 0.0912 0.5398 -0.41919 2008 5 25 54611 0.0943 0.5394 -0.41944 2008 5 26 54612 0.0973 0.5390 -0.41985 2008 5 27 54613 0.1004 0.5386 -0.42046 2008 5 28 54614 0.1034 0.5381 -0.42128 2008 5 29 54615 0.1065 0.5376 -0.42227 2008 5 30 54616 0.1095 0.5370 -0.42336 2008 5 31 54617 0.1125 0.5363 -0.42443 2008 6 1 54618 0.1155 0.5357 -0.42535 2008 6 2 54619 0.1185 0.5349 -0.42602 2008 6 3 54620 0.1215 0.5342 -0.42640 2008 6 4 54621 0.1245 0.5333 -0.42655 2008 6 5 54622 0.1274 0.5325 -0.42659 2008 6 6 54623 0.1304 0.5316 -0.42668 2008 6 7 54624 0.1333 0.5306 -0.42694 2008 6 8 54625 0.1362 0.5296 -0.42739 2008 6 9 54626 0.1391 0.5286 -0.42802 2008 6 10 54627 0.1420 0.5275 -0.42875 2008 6 11 54628 0.1448 0.5263 -0.42947 2008 6 12 54629 0.1477 0.5252 -0.43011 2008 6 13 54630 0.1505 0.5239 -0.43060 2008 6 14 54631 0.1533 0.5227 -0.43091 2008 6 15 54632 0.1561 0.5214 -0.43101 2008 6 16 54633 0.1588 0.5200 -0.43091 2008 6 17 54634 0.1615 0.5186 -0.43066 2008 6 18 54635 0.1642 0.5172 -0.43029 2008 6 19 54636 0.1669 0.5157 -0.42988 2008 6 20 54637 0.1696 0.5142 -0.42951 2008 6 21 54638 0.1722 0.5126 -0.42925 2008 6 22 54639 0.1748 0.5110 -0.42914 2008 6 23 54640 0.1774 0.5094 -0.42922 2008 6 24 54641 0.1799 0.5077 -0.42950 2008 6 25 54642 0.1825 0.5060 -0.42994 2008 6 26 54643 0.1849 0.5043 -0.43049 2008 6 27 54644 0.1874 0.5025 -0.43103 2008 6 28 54645 0.1898 0.5006 -0.43148 2008 6 29 54646 0.1922 0.4988 -0.43172 2008 6 30 54647 0.1946 0.4969 -0.43170 2008 7 1 54648 0.1969 0.4949 -0.43144 2008 7 2 54649 0.1992 0.4929 -0.43104 2008 7 3 54650 0.2015 0.4909 -0.43064 2008 7 4 54651 0.2037 0.4889 -0.43036 2008 7 5 54652 0.2059 0.4868 -0.43030 2008 7 6 54653 0.2081 0.4847 -0.43045 2008 7 7 54654 0.2102 0.4825 -0.43074 2008 7 8 54655 0.2123 0.4804 -0.43106 2008 7 9 54656 0.2143 0.4782 -0.43130 2008 7 10 54657 0.2163 0.4759 -0.43138 2008 7 11 54658 0.2183 0.4736 -0.43126 2008 7 12 54659 0.2203 0.4713 -0.43090 2008 7 13 54660 0.2222 0.4690 -0.43032 2008 7 14 54661 0.2240 0.4666 -0.42953 2008 7 15 54662 0.2258 0.4643 -0.42860 2008 7 16 54663 0.2276 0.4618 -0.42758 2008 7 17 54664 0.2293 0.4594 -0.42656 2008 7 18 54665 0.2310 0.4569 -0.42564 2008 7 19 54666 0.2327 0.4544 -0.42489 2008 7 20 54667 0.2343 0.4519 -0.42437 2008 7 21 54668 0.2359 0.4494 -0.42409 2008 7 22 54669 0.2374 0.4468 -0.42405 2008 7 23 54670 0.2389 0.4442 -0.42418 2008 7 24 54671 0.2403 0.4416 -0.42439 2008 7 25 54672 0.2417 0.4389 -0.42458 2008 7 26 54673 0.2430 0.4363 -0.42465 2008 7 27 54674 0.2443 0.4336 -0.42455 2008 7 28 54675 0.2456 0.4309 -0.42426 2008 7 29 54676 0.2468 0.4282 -0.42387 2008 7 30 54677 0.2480 0.4255 -0.42348 2008 7 31 54678 0.2491 0.4227 -0.42325 2008 8 1 54679 0.2502 0.4199 -0.42326 2008 8 2 54680 0.2512 0.4172 -0.42356 2008 8 3 54681 0.2522 0.4144 -0.42412 2008 8 4 54682 0.2531 0.4116 -0.42483 2008 8 5 54683 0.2540 0.4087 -0.42558 2008 8 6 54684 0.2548 0.4059 -0.42625 2008 8 7 54685 0.2556 0.4030 -0.42678 2008 8 8 54686 0.2563 0.4002 -0.42713 2008 8 9 54687 0.2570 0.3973 -0.42728 2008 8 10 54688 0.2576 0.3944 -0.42725 2008 8 11 54689 0.2582 0.3915 -0.42709 2008 8 12 54690 0.2588 0.3886 -0.42684 2008 8 13 54691 0.2593 0.3857 -0.42658 2008 8 14 54692 0.2597 0.3828 -0.42639 2008 8 15 54693 0.2601 0.3799 -0.42635 2008 8 16 54694 0.2604 0.3769 -0.42652 2008 8 17 54695 0.2607 0.3740 -0.42694 2008 8 18 54696 0.2610 0.3711 -0.42754 2008 8 19 54697 0.2612 0.3681 -0.42828 2008 8 20 54698 0.2613 0.3652 -0.42907 2008 8 21 54699 0.2614 0.3622 -0.42977 2008 8 22 54700 0.2615 0.3593 -0.43029 2008 8 23 54701 0.2614 0.3563 -0.43061 2008 8 24 54702 0.2614 0.3534 -0.43074 2008 8 25 54703 0.2613 0.3505 -0.43072 2008 8 26 54704 0.2611 0.3475 -0.43067 2008 8 27 54705 0.2609 0.3446 -0.43065 2008 8 28 54706 0.2607 0.3416 -0.43075 2008 8 29 54707 0.2604 0.3387 -0.43111 2008 8 30 54708 0.2600 0.3358 -0.43176 2008 8 31 54709 0.2596 0.3329 -0.43265 2008 9 1 54710 0.2592 0.3300 -0.43368 2008 9 2 54711 0.2587 0.3271 -0.43465 2008 9 3 54712 0.2581 0.3242 -0.43546 2008 9 4 54713 0.2575 0.3213 -0.43610 2008 9 5 54714 0.2569 0.3184 -0.43662 2008 9 6 54715 0.2562 0.3155 -0.43704 2008 9 7 54716 0.2554 0.3127 -0.43733 2008 9 8 54717 0.2546 0.3098 -0.43754 2008 9 9 54718 0.2538 0.3070 -0.43772 2008 9 10 54719 0.2529 0.3042 -0.43798 2008 9 11 54720 0.2520 0.3014 -0.43839 2008 9 12 54721 0.2510 0.2986 -0.43903 2008 9 13 54722 0.2499 0.2959 -0.43991 2008 9 14 54723 0.2489 0.2931 -0.44096 2008 9 15 54724 0.2477 0.2904 -0.44219 2008 9 16 54725 0.2466 0.2877 -0.44365 2008 9 17 54726 0.2454 0.2850 -0.44525 2008 9 18 54727 0.2441 0.2823 -0.44676 2008 9 19 54728 0.2428 0.2796 -0.44804 2008 9 20 54729 0.2414 0.2770 -0.44909 2008 9 21 54730 0.2400 0.2744 -0.44992 2008 9 22 54731 0.2386 0.2718 -0.45070 2008 9 23 54732 0.2371 0.2692 -0.45155 2008 9 24 54733 0.2356 0.2667 -0.45254 2008 9 25 54734 0.2340 0.2642 -0.45371 2008 9 26 54735 0.2324 0.2617 -0.45498 2008 9 27 54736 0.2308 0.2592 -0.45636 2008 9 28 54737 0.2291 0.2567 -0.45782 2008 9 29 54738 0.2273 0.2543 -0.45925 2008 9 30 54739 0.2256 0.2519 -0.46053 2008 10 1 54740 0.2237 0.2496 -0.46166 2008 10 2 54741 0.2219 0.2472 -0.46265 2008 10 3 54742 0.2200 0.2449 -0.46345 2008 10 4 54743 0.2181 0.2427 -0.46407 2008 10 5 54744 0.2161 0.2404 -0.46455 2008 10 6 54745 0.2141 0.2382 -0.46495 2008 10 7 54746 0.2120 0.2360 -0.46536 2008 10 8 54747 0.2100 0.2339 -0.46587 2008 10 9 54748 0.2079 0.2318 -0.46654 2008 10 10 54749 0.2057 0.2297 -0.46742 2008 10 11 54750 0.2035 0.2277 -0.46849 2008 10 12 54751 0.2013 0.2256 -0.46977 2008 10 13 54752 0.1990 0.2237 -0.47120 2008 10 14 54753 0.1967 0.2217 -0.47273 2008 10 15 54754 0.1944 0.2198 -0.47422 2008 10 16 54755 0.1921 0.2180 -0.47550 2008 10 17 54756 0.1897 0.2161 -0.47654 2008 10 18 54757 0.1873 0.2143 -0.47741 2008 10 19 54758 0.1848 0.2126 -0.47817 2008 10 20 54759 0.1824 0.2109 -0.47895 2008 10 21 54760 0.1799 0.2092 -0.47985 2008 10 22 54761 0.1773 0.2075 -0.48092 2008 10 23 54762 0.1748 0.2059 -0.48218 2008 10 24 54763 0.1722 0.2044 -0.48365 2008 10 25 54764 0.1696 0.2029 -0.48524 2008 10 26 54765 0.1670 0.2014 -0.48693 2008 10 27 54766 0.1643 0.2000 -0.48864 2008 10 28 54767 0.1616 0.1986 -0.49025 2008 10 29 54768 0.1589 0.1972 -0.49170 2008 10 30 54769 0.1562 0.1959 -0.49290 2008 10 31 54770 0.1535 0.1946 -0.49381 2008 11 1 54771 0.1507 0.1934 -0.49453 2008 11 2 54772 0.1479 0.1922 -0.49510 2008 11 3 54773 0.1451 0.1911 -0.49561 2008 11 4 54774 0.1423 0.1900 -0.49611 2008 11 5 54775 0.1394 0.1890 -0.49666 2008 11 6 54776 0.1366 0.1880 -0.49730 2008 11 7 54777 0.1337 0.1870 -0.49815 2008 11 8 54778 0.1308 0.1861 -0.49923 2008 11 9 54779 0.1279 0.1852 -0.50050 2008 11 10 54780 0.1250 0.1844 -0.50184 2008 11 11 54781 0.1221 0.1836 -0.50317 2008 11 12 54782 0.1191 0.1829 -0.50440 2008 11 13 54783 0.1162 0.1822 -0.50540 2008 11 14 54784 0.1132 0.1816 -0.50614 2008 11 15 54785 0.1102 0.1810 -0.50675 2008 11 16 54786 0.1072 0.1804 -0.50737 2008 11 17 54787 0.1043 0.1799 -0.50808 2008 11 18 54788 0.1013 0.1795 -0.50886 2008 11 19 54789 0.0982 0.1791 -0.50979 2008 11 20 54790 0.0952 0.1787 -0.51086 2008 11 21 54791 0.0922 0.1784 -0.51194 2008 11 22 54792 0.0892 0.1782 -0.51298 2008 11 23 54793 0.0862 0.1779 -0.51398 2008 11 24 54794 0.0831 0.1778 -0.51490 2008 11 25 54795 0.0801 0.1777 -0.51566 2008 11 26 54796 0.0771 0.1776 -0.51624 2008 11 27 54797 0.0740 0.1776 -0.51665 2008 11 28 54798 0.0710 0.1776 -0.51692 2008 11 29 54799 0.0680 0.1777 -0.51712 2008 11 30 54800 0.0650 0.1778 -0.51726 2008 12 1 54801 0.0619 0.1779 -0.51735 2008 12 2 54802 0.0589 0.1781 -0.51754 2008 12 3 54803 0.0559 0.1784 -0.51785 2008 12 4 54804 0.0529 0.1787 -0.51832 2008 12 5 54805 0.0499 0.1791 -0.51897 2008 12 6 54806 0.0469 0.1795 -0.51978 2008 12 7 54807 0.0439 0.1799 -0.52073 2008 12 8 54808 0.0409 0.1804 -0.52174 2008 12 9 54809 0.0379 0.1809 -0.52269 2008 12 10 54810 0.0350 0.1815 -0.52348 2008 12 11 54811 0.0320 0.1822 -0.52402 2008 12 12 54812 0.0291 0.1828 -0.52432 2008 12 13 54813 0.0262 0.1836 -0.52442 2008 12 14 54814 0.0233 0.1843 -0.52455 2008 12 15 54815 0.0204 0.1852 -0.52485 2008 12 16 54816 0.0175 0.1860 -0.52538 2008 12 17 54817 0.0146 0.1869 -0.52617 2008 12 18 54818 0.0118 0.1879 -0.52708 2008 12 19 54819 0.0089 0.1889 -0.52814 2008 12 20 54820 0.0061 0.1899 -0.52926 2008 12 21 54821 0.0033 0.1910 -0.53036 2008 12 22 54822 0.0005 0.1921 -0.53138 2008 12 23 54823 -0.0022 0.1933 -0.53225 2008 12 24 54824 -0.0050 0.1945 -0.53299 2008 12 25 54825 -0.0077 0.1957 -0.53360 2008 12 26 54826 -0.0104 0.1970 -0.53411 2008 12 27 54827 -0.0131 0.1984 -0.53460 2008 12 28 54828 -0.0157 0.1998 -0.53518 2008 12 29 54829 -0.0183 0.2012 -0.53586 2008 12 30 54830 -0.0209 0.2027 -0.53671 2008 12 31 54831 -0.0235 0.2042 -0.53775 2009 1 1 54832 -0.0260 0.2057 -0.53901 2009 1 2 54833 -0.0286 0.2073 -0.54045 2009 1 3 54834 -0.0310 0.2089 -0.54200 2009 1 4 54835 -0.0335 0.2106 -0.54361 2009 1 5 54836 -0.0359 0.2123 -0.54518 2009 1 6 54837 -0.0383 0.2140 -0.54663 2009 1 7 54838 -0.0407 0.2158 -0.54788 2009 1 8 54839 -0.0431 0.2176 -0.54896 2009 1 9 54840 -0.0454 0.2194 -0.54990 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) 54449 -60.43 .36 -3.13 .14 54450 -60.42 .36 -3.14 .14 54451 -60.42 .36 -3.11 .14 54452 -60.48 .74 -3.00 .34 54453 -60.70 .10 -2.82 .34 54454 -61.08 .10 -2.68 .34 54455 -61.41 .10 -2.74 .34 54456 -61.38 .10 -3.00 .34 54457 -60.98 .10 -3.22 .34 54458 -60.48 .10 -3.20 .34 54459 -60.14 .74 -2.98 .34 54460 -59.91 .29 -2.80 .15 54461 -59.70 .29 -2.76 .15 54462 -59.60 .29 -2.77 .15 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 54410 -63.7 -4.1 54411 -63.4 -4.0 54412 -63.2 -3.9 54413 -63.2 -4.1 54414 -63.4 -4.4 54415 -63.6 -4.7 54416 -63.7 -4.8 54417 -63.4 -4.6 54418 -62.9 -4.4 54419 -62.5 -4.3 54420 -62.2 -4.3 54421 -62.0 -4.3 54422 -62.0 -4.2 54423 -62.0 -4.3 54424 -62.1 -4.1 54425 -62.3 -3.7 54426 -62.6 -3.4 54427 -62.9 -3.4 54428 -62.6 -3.7 54429 -61.9 -4.0 54430 -61.4 -3.9 54431 -61.2 -3.7 54432 -61.3 -3.7 54433 -61.1 -3.7 54434 -61.0 -3.6 54435 -61.1 -3.4 54436 -61.4 -3.2 54437 -61.5 -3.2 54438 -61.5 -3.2 54439 -61.3 -3.1 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 54449 -0.082 0.143 0.055 0.140 54450 -0.097 0.143 0.066 0.140 54451 -0.121 0.143 0.078 0.140 54452 -0.145 0.294 0.093 0.340 54453 -0.162 0.040 0.083 0.340 54454 -0.169 0.040 0.051 0.340 54455 -0.167 0.040 0.028 0.340 54456 -0.154 0.040 0.029 0.340 54457 -0.144 0.040 0.044 0.340 54458 -0.135 0.040 0.033 0.340 54459 -0.126 0.294 0.025 0.340 54460 -0.114 0.115 0.030 0.150 54461 -0.108 0.115 0.049 0.150 54462 -0.103 0.115 0.060 0.150 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 54410 -0.03 -0.23 54411 0.01 -0.23 54412 0.05 -0.14 54413 0.06 -0.15 54414 0.01 -0.12 54415 -0.04 -0.15 54416 -0.11 -0.19 54417 -0.10 -0.08 54418 -0.03 0.02 54419 0.03 0.08 54420 0.09 0.03 54421 0.12 -0.09 54422 0.07 -0.09 54423 0.04 -0.23 54424 -0.01 -0.09 54425 -0.03 0.11 54426 -0.04 0.22 54427 -0.09 0.27 54428 -0.09 0.24 54429 -0.06 0.08 54430 -0.02 -0.01 54431 0.07 -0.07 54432 0.09 -0.10 54433 0.16 0.04 54434 0.15 0.14 54435 0.12 0.10 54436 0.07 0.02 54437 0.05 -0.10 54438 -0.01 -0.09 54439 -0.01 0.02 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.