********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 14 October 2010 Vol. XXIII 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 3 June 2010 at 0000 UTC Beginning 1 January 2009: TAI-UTC(BIPM) = 34.000 000 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 10 10 8 55477 0.23486 .00009 0.34905 .00009 -0.068437 0.000008 10 10 9 55478 0.23448 .00009 0.34653 .00009 -0.069844 0.000008 10 10 10 55479 0.23418 .00009 0.34412 .00009 -0.071039 0.000007 10 10 11 55480 0.23400 .00009 0.34183 .00009 -0.072014 0.000007 10 10 12 55481 0.23382 .00009 0.33942 .00009 -0.072831 0.000007 10 10 13 55482 0.23389 .00009 0.33725 .00009 -0.073584 0.000006 10 10 14 55483 0.23417 .00009 0.33549 .00009 -0.074341 0.000007 _______________________________________________________________________ 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 = 0.0917 + 0.1223 cos A - 0.0475 sin A + 0.0187 cos C + 0.0466 sin C y = 0.3407 - 0.0473 cos A - 0.1061 sin A + 0.0466 cos C - 0.0187 sin C UT1-UTC = -0.0956 - 0.00078 (MJD - 55491) - (UT2-UT1) where A = 2*pi*(MJD-55483)/365.25 and C = 2*pi*(MJD-55483)/435. TAI-UTC(MJD 55484) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55483)**0.80 S t = 0.00025 (MJD-55483)**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) 2010 10 15 55484 0.2340 0.3336 -0.07516 2010 10 16 55485 0.2339 0.3320 -0.07606 2010 10 17 55486 0.2336 0.3302 -0.07705 2010 10 18 55487 0.2333 0.3284 -0.07814 2010 10 19 55488 0.2329 0.3265 -0.07931 2010 10 20 55489 0.2324 0.3246 -0.08050 2010 10 21 55490 0.2319 0.3227 -0.08166 2010 10 22 55491 0.2314 0.3208 -0.08274 2010 10 23 55492 0.2308 0.3188 -0.08373 2010 10 24 55493 0.2302 0.3169 -0.08464 2010 10 25 55494 0.2295 0.3150 -0.08545 2010 10 26 55495 0.2289 0.3131 -0.08620 2010 10 27 55496 0.2282 0.3112 -0.08694 2010 10 28 55497 0.2274 0.3093 -0.08773 2010 10 29 55498 0.2266 0.3074 -0.08865 2010 10 30 55499 0.2258 0.3055 -0.08974 2010 10 31 55500 0.2250 0.3036 -0.09104 2010 11 1 55501 0.2241 0.3018 -0.09253 2010 11 2 55502 0.2232 0.2999 -0.09414 2010 11 3 55503 0.2223 0.2981 -0.09578 2010 11 4 55504 0.2214 0.2963 -0.09732 2010 11 5 55505 0.2204 0.2945 -0.09868 2010 11 6 55506 0.2194 0.2927 -0.09975 2010 11 7 55507 0.2183 0.2910 -0.10056 2010 11 8 55508 0.2173 0.2892 -0.10115 2010 11 9 55509 0.2162 0.2875 -0.10162 2010 11 10 55510 0.2150 0.2858 -0.10207 2010 11 11 55511 0.2139 0.2841 -0.10258 2010 11 12 55512 0.2127 0.2824 -0.10318 2010 11 13 55513 0.2115 0.2808 -0.10390 2010 11 14 55514 0.2102 0.2791 -0.10473 2010 11 15 55515 0.2090 0.2775 -0.10565 2010 11 16 55516 0.2077 0.2759 -0.10661 2010 11 17 55517 0.2064 0.2744 -0.10759 2010 11 18 55518 0.2051 0.2728 -0.10853 2010 11 19 55519 0.2037 0.2713 -0.10940 2010 11 20 55520 0.2023 0.2698 -0.11015 2010 11 21 55521 0.2009 0.2683 -0.11079 2010 11 22 55522 0.1995 0.2668 -0.11132 2010 11 23 55523 0.1980 0.2654 -0.11178 2010 11 24 55524 0.1966 0.2640 -0.11224 2010 11 25 55525 0.1951 0.2626 -0.11280 2010 11 26 55526 0.1935 0.2612 -0.11352 2010 11 27 55527 0.1920 0.2599 -0.11445 2010 11 28 55528 0.1905 0.2585 -0.11559 2010 11 29 55529 0.1889 0.2572 -0.11690 2010 11 30 55530 0.1873 0.2560 -0.11828 2010 12 1 55531 0.1857 0.2547 -0.11964 2010 12 2 55532 0.1840 0.2535 -0.12085 2010 12 3 55533 0.1824 0.2523 -0.12185 2010 12 4 55534 0.1807 0.2511 -0.12263 2010 12 5 55535 0.1790 0.2500 -0.12320 2010 12 6 55536 0.1773 0.2489 -0.12363 2010 12 7 55537 0.1756 0.2478 -0.12402 2010 12 8 55538 0.1739 0.2467 -0.12445 2010 12 9 55539 0.1721 0.2457 -0.12497 2010 12 10 55540 0.1704 0.2447 -0.12560 2010 12 11 55541 0.1686 0.2437 -0.12633 2010 12 12 55542 0.1668 0.2428 -0.12714 2010 12 13 55543 0.1650 0.2418 -0.12799 2010 12 14 55544 0.1632 0.2409 -0.12885 2010 12 15 55545 0.1614 0.2401 -0.12967 2010 12 16 55546 0.1595 0.2392 -0.13041 2010 12 17 55547 0.1577 0.2384 -0.13104 2010 12 18 55548 0.1558 0.2376 -0.13154 2010 12 19 55549 0.1540 0.2369 -0.13193 2010 12 20 55550 0.1521 0.2362 -0.13224 2010 12 21 55551 0.1502 0.2355 -0.13253 2010 12 22 55552 0.1483 0.2348 -0.13287 2010 12 23 55553 0.1464 0.2342 -0.13336 2010 12 24 55554 0.1445 0.2336 -0.13405 2010 12 25 55555 0.1426 0.2330 -0.13497 2010 12 26 55556 0.1407 0.2324 -0.13606 2010 12 27 55557 0.1388 0.2319 -0.13724 2010 12 28 55558 0.1368 0.2314 -0.13840 2010 12 29 55559 0.1349 0.2310 -0.13944 2010 12 30 55560 0.1330 0.2305 -0.14028 2010 12 31 55561 0.1310 0.2301 -0.14091 2011 1 1 55562 0.1291 0.2298 -0.14135 2011 1 2 55563 0.1271 0.2294 -0.14166 2011 1 3 55564 0.1252 0.2291 -0.14192 2011 1 4 55565 0.1233 0.2289 -0.14222 2011 1 5 55566 0.1213 0.2286 -0.14261 2011 1 6 55567 0.1194 0.2284 -0.14313 2011 1 7 55568 0.1174 0.2282 -0.14378 2011 1 8 55569 0.1155 0.2280 -0.14455 2011 1 9 55570 0.1135 0.2279 -0.14539 2011 1 10 55571 0.1116 0.2278 -0.14626 2011 1 11 55572 0.1097 0.2278 -0.14712 2011 1 12 55573 0.1077 0.2277 -0.14791 2011 1 13 55574 0.1058 0.2277 -0.14862 2011 1 14 55575 0.1039 0.2277 -0.14921 2011 1 15 55576 0.1019 0.2278 -0.14969 2011 1 16 55577 0.1000 0.2279 -0.15007 2011 1 17 55578 0.0981 0.2280 -0.15043 2011 1 18 55579 0.0962 0.2281 -0.15083 2011 1 19 55580 0.0943 0.2283 -0.15137 2011 1 20 55581 0.0924 0.2285 -0.15213 2011 1 21 55582 0.0905 0.2287 -0.15315 2011 1 22 55583 0.0887 0.2290 -0.15440 2011 1 23 55584 0.0868 0.2292 -0.15579 2011 1 24 55585 0.0849 0.2296 -0.15720 2011 1 25 55586 0.0831 0.2299 -0.15850 2011 1 26 55587 0.0813 0.2303 -0.15959 2011 1 27 55588 0.0794 0.2307 -0.16045 2011 1 28 55589 0.0776 0.2311 -0.16110 2011 1 29 55590 0.0758 0.2315 -0.16160 2011 1 30 55591 0.0740 0.2320 -0.16203 2011 1 31 55592 0.0722 0.2325 -0.16240 2011 2 1 55593 0.0705 0.2331 -0.16284 2011 2 2 55594 0.0687 0.2336 -0.16341 2011 2 3 55595 0.0670 0.2342 -0.16410 2011 2 4 55596 0.0652 0.2348 -0.16492 2011 2 5 55597 0.0635 0.2355 -0.16582 2011 2 6 55598 0.0618 0.2361 -0.16678 2011 2 7 55599 0.0602 0.2368 -0.16773 2011 2 8 55600 0.0585 0.2375 -0.16864 2011 2 9 55601 0.0568 0.2383 -0.16946 2011 2 10 55602 0.0552 0.2390 -0.17018 2011 2 11 55603 0.0536 0.2398 -0.17080 2011 2 12 55604 0.0520 0.2406 -0.17132 2011 2 13 55605 0.0504 0.2415 -0.17179 2011 2 14 55606 0.0489 0.2423 -0.17228 2011 2 15 55607 0.0473 0.2432 -0.17288 2011 2 16 55608 0.0458 0.2441 -0.17367 2011 2 17 55609 0.0443 0.2451 -0.17472 2011 2 18 55610 0.0428 0.2460 -0.17605 2011 2 19 55611 0.0414 0.2470 -0.17760 2011 2 20 55612 0.0399 0.2480 -0.17924 2011 2 21 55613 0.0385 0.2490 -0.18082 2011 2 22 55614 0.0371 0.2501 -0.18223 2011 2 23 55615 0.0357 0.2511 -0.18338 2011 2 24 55616 0.0344 0.2522 -0.18430 2011 2 25 55617 0.0330 0.2533 -0.18502 2011 2 26 55618 0.0317 0.2544 -0.18565 2011 2 27 55619 0.0304 0.2556 -0.18627 2011 2 28 55620 0.0292 0.2567 -0.18695 2011 3 1 55621 0.0279 0.2579 -0.18773 2011 3 2 55622 0.0267 0.2591 -0.18863 2011 3 3 55623 0.0255 0.2603 -0.18967 2011 3 4 55624 0.0244 0.2616 -0.19080 2011 3 5 55625 0.0232 0.2628 -0.19200 2011 3 6 55626 0.0221 0.2641 -0.19322 2011 3 7 55627 0.0210 0.2654 -0.19441 2011 3 8 55628 0.0199 0.2667 -0.19553 2011 3 9 55629 0.0189 0.2680 -0.19655 2011 3 10 55630 0.0179 0.2693 -0.19747 2011 3 11 55631 0.0169 0.2707 -0.19829 2011 3 12 55632 0.0159 0.2720 -0.19905 2011 3 13 55633 0.0150 0.2734 -0.19980 2011 3 14 55634 0.0141 0.2748 -0.20061 2011 3 15 55635 0.0132 0.2762 -0.20157 2011 3 16 55636 0.0123 0.2776 -0.20277 2011 3 17 55637 0.0115 0.2791 -0.20424 2011 3 18 55638 0.0107 0.2805 -0.20597 2011 3 19 55639 0.0099 0.2820 -0.20787 2011 3 20 55640 0.0091 0.2834 -0.20981 2011 3 21 55641 0.0084 0.2849 -0.21164 2011 3 22 55642 0.0077 0.2864 -0.21325 2011 3 23 55643 0.0071 0.2879 -0.21458 2011 3 24 55644 0.0064 0.2894 -0.21569 2011 3 25 55645 0.0058 0.2909 -0.21664 2011 3 26 55646 0.0052 0.2924 -0.21754 2011 3 27 55647 0.0047 0.2940 -0.21846 2011 3 28 55648 0.0041 0.2955 -0.21946 2011 3 29 55649 0.0036 0.2970 -0.22057 2011 3 30 55650 0.0032 0.2986 -0.22178 2011 3 31 55651 0.0027 0.3002 -0.22309 2011 4 1 55652 0.0023 0.3017 -0.22445 2011 4 2 55653 0.0019 0.3033 -0.22583 2011 4 3 55654 0.0015 0.3049 -0.22718 2011 4 4 55655 0.0012 0.3064 -0.22846 2011 4 5 55656 0.0009 0.3080 -0.22964 2011 4 6 55657 0.0006 0.3096 -0.23070 2011 4 7 55658 0.0004 0.3112 -0.23164 2011 4 8 55659 0.0002 0.3128 -0.23250 2011 4 9 55660 0.0000 0.3144 -0.23331 2011 4 10 55661 -0.0002 0.3160 -0.23414 2011 4 11 55662 -0.0003 0.3176 -0.23505 2011 4 12 55663 -0.0004 0.3192 -0.23614 2011 4 13 55664 -0.0005 0.3208 -0.23745 2011 4 14 55665 -0.0005 0.3224 -0.23899 2011 4 15 55666 -0.0006 0.3240 -0.24073 2011 4 16 55667 -0.0005 0.3256 -0.24257 2011 4 17 55668 -0.0005 0.3272 -0.24438 2011 4 18 55669 -0.0005 0.3288 -0.24602 2011 4 19 55670 -0.0004 0.3304 -0.24743 2011 4 20 55671 -0.0002 0.3320 -0.24859 2011 4 21 55672 -0.0001 0.3336 -0.24959 2011 4 22 55673 0.0001 0.3352 -0.25053 2011 4 23 55674 0.0003 0.3368 -0.25149 2011 4 24 55675 0.0005 0.3384 -0.25255 2011 4 25 55676 0.0008 0.3400 -0.25373 2011 4 26 55677 0.0010 0.3416 -0.25502 2011 4 27 55678 0.0014 0.3431 -0.25637 2011 4 28 55679 0.0017 0.3447 -0.25776 2011 4 29 55680 0.0020 0.3463 -0.25914 2011 4 30 55681 0.0024 0.3478 -0.26045 2011 5 1 55682 0.0028 0.3494 -0.26167 2011 5 2 55683 0.0033 0.3509 -0.26278 2011 5 3 55684 0.0037 0.3524 -0.26376 2011 5 4 55685 0.0042 0.3540 -0.26461 2011 5 5 55686 0.0048 0.3555 -0.26534 2011 5 6 55687 0.0053 0.3570 -0.26600 2011 5 7 55688 0.0059 0.3585 -0.26662 2011 5 8 55689 0.0064 0.3600 -0.26727 2011 5 9 55690 0.0071 0.3614 -0.26801 2011 5 10 55691 0.0077 0.3629 -0.26890 2011 5 11 55692 0.0083 0.3644 -0.26997 2011 5 12 55693 0.0090 0.3658 -0.27119 2011 5 13 55694 0.0097 0.3673 -0.27251 2011 5 14 55695 0.0105 0.3687 -0.27382 2011 5 15 55696 0.0112 0.3701 -0.27503 2011 5 16 55697 0.0120 0.3715 -0.27604 2011 5 17 55698 0.0128 0.3729 -0.27681 2011 5 18 55699 0.0136 0.3743 -0.27731 2011 5 19 55700 0.0144 0.3757 -0.27760 2011 5 20 55701 0.0153 0.3770 -0.27777 2011 5 21 55702 0.0162 0.3783 -0.27789 2011 5 22 55703 0.0171 0.3797 -0.27803 2011 5 23 55704 0.0180 0.3810 -0.27823 2011 5 24 55705 0.0190 0.3823 -0.27851 2011 5 25 55706 0.0199 0.3836 -0.27888 2011 5 26 55707 0.0209 0.3848 -0.27930 2011 5 27 55708 0.0219 0.3861 -0.27972 2011 5 28 55709 0.0229 0.3873 -0.28011 2011 5 29 55710 0.0239 0.3885 -0.28040 2011 5 30 55711 0.0250 0.3897 -0.28050 2011 5 31 55712 0.0261 0.3909 -0.28042 2011 6 1 55713 0.0272 0.3921 -0.28020 2011 6 2 55714 0.0283 0.3932 -0.27997 2011 6 3 55715 0.0294 0.3944 -0.27987 2011 6 4 55716 0.0305 0.3955 -0.27986 2011 6 5 55717 0.0317 0.3966 -0.28003 2011 6 6 55718 0.0328 0.3977 -0.28045 2011 6 7 55719 0.0340 0.3987 -0.28100 2011 6 8 55720 0.0352 0.3998 -0.28166 2011 6 9 55721 0.0364 0.4008 -0.28248 2011 6 10 55722 0.0377 0.4018 -0.28334 2011 6 11 55723 0.0389 0.4028 -0.28415 2011 6 12 55724 0.0402 0.4038 -0.28480 2011 6 13 55725 0.0414 0.4047 -0.28522 2011 6 14 55726 0.0427 0.4056 -0.28548 2011 6 15 55727 0.0440 0.4066 -0.28559 2011 6 16 55728 0.0453 0.4074 -0.28561 2011 6 17 55729 0.0466 0.4083 -0.28562 2011 6 18 55730 0.0479 0.4092 -0.28575 2011 6 19 55731 0.0493 0.4100 -0.28598 2011 6 20 55732 0.0506 0.4108 -0.28631 2011 6 21 55733 0.0520 0.4116 -0.28678 2011 6 22 55734 0.0533 0.4124 -0.28732 2011 6 23 55735 0.0547 0.4131 -0.28784 2011 6 24 55736 0.0561 0.4138 -0.28830 2011 6 25 55737 0.0575 0.4145 -0.28865 2011 6 26 55738 0.0588 0.4152 -0.28884 2011 6 27 55739 0.0602 0.4159 -0.28883 2011 6 28 55740 0.0617 0.4165 -0.28865 2011 6 29 55741 0.0631 0.4172 -0.28835 2011 6 30 55742 0.0645 0.4178 -0.28798 2011 7 1 55743 0.0659 0.4183 -0.28761 2011 7 2 55744 0.0673 0.4189 -0.28733 2011 7 3 55745 0.0688 0.4194 -0.28723 2011 7 4 55746 0.0702 0.4199 -0.28736 2011 7 5 55747 0.0717 0.4204 -0.28777 2011 7 6 55748 0.0731 0.4209 -0.28837 2011 7 7 55749 0.0746 0.4213 -0.28907 2011 7 8 55750 0.0760 0.4218 -0.28970 2011 7 9 55751 0.0775 0.4222 -0.29019 2011 7 10 55752 0.0789 0.4226 -0.29051 2011 7 11 55753 0.0804 0.4229 -0.29059 2011 7 12 55754 0.0818 0.4233 -0.29046 2011 7 13 55755 0.0833 0.4236 -0.29018 2011 7 14 55756 0.0847 0.4239 -0.28980 2011 7 15 55757 0.0862 0.4241 -0.28946 2011 7 16 55758 0.0877 0.4244 -0.28923 2011 7 17 55759 0.0891 0.4246 -0.28908 2011 7 18 55760 0.0906 0.4248 -0.28904 2011 7 19 55761 0.0920 0.4250 -0.28909 2011 7 20 55762 0.0935 0.4252 -0.28919 2011 7 21 55763 0.0949 0.4253 -0.28922 2011 7 22 55764 0.0964 0.4254 -0.28915 2011 7 23 55765 0.0978 0.4255 -0.28892 2011 7 24 55766 0.0992 0.4256 -0.28853 2011 7 25 55767 0.1007 0.4257 -0.28803 2011 7 26 55768 0.1021 0.4257 -0.28750 2011 7 27 55769 0.1035 0.4257 -0.28693 2011 7 28 55770 0.1049 0.4257 -0.28633 2011 7 29 55771 0.1063 0.4257 -0.28581 2011 7 30 55772 0.1077 0.4256 -0.28545 2011 7 31 55773 0.1091 0.4255 -0.28531 2011 8 1 55774 0.1105 0.4255 -0.28547 2011 8 2 55775 0.1119 0.4253 -0.28579 2011 8 3 55776 0.1133 0.4252 -0.28620 2011 8 4 55777 0.1147 0.4251 -0.28659 2011 8 5 55778 0.1160 0.4249 -0.28689 2011 8 6 55779 0.1174 0.4247 -0.28697 2011 8 7 55780 0.1187 0.4245 -0.28681 2011 8 8 55781 0.1201 0.4242 -0.28649 2011 8 9 55782 0.1214 0.4240 -0.28603 2011 8 10 55783 0.1227 0.4237 -0.28549 2011 8 11 55784 0.1240 0.4234 -0.28501 2011 8 12 55785 0.1253 0.4231 -0.28462 2011 8 13 55786 0.1266 0.4228 -0.28437 2011 8 14 55787 0.1279 0.4225 -0.28426 2011 8 15 55788 0.1291 0.4221 -0.28429 2011 8 16 55789 0.1304 0.4217 -0.28446 2011 8 17 55790 0.1316 0.4213 -0.28468 2011 8 18 55791 0.1328 0.4209 -0.28488 2011 8 19 55792 0.1341 0.4204 -0.28502 2011 8 20 55793 0.1353 0.4200 -0.28510 2011 8 21 55794 0.1364 0.4195 -0.28520 2011 8 22 55795 0.1376 0.4190 -0.28524 2011 8 23 55796 0.1388 0.4185 -0.28525 2011 8 24 55797 0.1399 0.4180 -0.28524 2011 8 25 55798 0.1411 0.4175 -0.28529 2011 8 26 55799 0.1422 0.4169 -0.28549 2011 8 27 55800 0.1433 0.4163 -0.28592 2011 8 28 55801 0.1444 0.4158 -0.28659 2011 8 29 55802 0.1454 0.4152 -0.28744 2011 8 30 55803 0.1465 0.4145 -0.28838 2011 8 31 55804 0.1475 0.4139 -0.28929 2011 9 1 55805 0.1486 0.4133 -0.29001 2011 9 2 55806 0.1496 0.4126 -0.29052 2011 9 3 55807 0.1506 0.4119 -0.29082 2011 9 4 55808 0.1516 0.4112 -0.29094 2011 9 5 55809 0.1525 0.4105 -0.29094 2011 9 6 55810 0.1535 0.4098 -0.29084 2011 9 7 55811 0.1544 0.4091 -0.29081 2011 9 8 55812 0.1553 0.4083 -0.29092 2011 9 9 55813 0.1562 0.4076 -0.29121 2011 9 10 55814 0.1571 0.4068 -0.29161 2011 9 11 55815 0.1579 0.4060 -0.29211 2011 9 12 55816 0.1588 0.4053 -0.29265 2011 9 13 55817 0.1596 0.4045 -0.29323 2011 9 14 55818 0.1604 0.4036 -0.29382 2011 9 15 55819 0.1612 0.4028 -0.29436 2011 9 16 55820 0.1620 0.4020 -0.29482 2011 9 17 55821 0.1627 0.4011 -0.29517 2011 9 18 55822 0.1634 0.4003 -0.29539 2011 9 19 55823 0.1642 0.3994 -0.29554 2011 9 20 55824 0.1649 0.3986 -0.29571 2011 9 21 55825 0.1655 0.3977 -0.29590 2011 9 22 55826 0.1662 0.3968 -0.29613 2011 9 23 55827 0.1668 0.3959 -0.29646 2011 9 24 55828 0.1674 0.3950 -0.29699 2011 9 25 55829 0.1680 0.3941 -0.29783 2011 9 26 55830 0.1686 0.3931 -0.29886 2011 9 27 55831 0.1692 0.3922 -0.29995 2011 9 28 55832 0.1697 0.3913 -0.30100 2011 9 29 55833 0.1703 0.3903 -0.30186 2011 9 30 55834 0.1708 0.3894 -0.30252 2011 10 1 55835 0.1712 0.3884 -0.30298 2011 10 2 55836 0.1717 0.3875 -0.30325 2011 10 3 55837 0.1722 0.3865 -0.30342 2011 10 4 55838 0.1726 0.3855 -0.30358 2011 10 5 55839 0.1730 0.3845 -0.30391 2011 10 6 55840 0.1734 0.3836 -0.30442 2011 10 7 55841 0.1737 0.3826 -0.30509 2011 10 8 55842 0.1741 0.3816 -0.30591 2011 10 9 55843 0.1744 0.3806 -0.30676 2011 10 10 55844 0.1747 0.3796 -0.30759 2011 10 11 55845 0.1750 0.3786 -0.30838 2011 10 12 55846 0.1753 0.3776 -0.30909 2011 10 13 55847 0.1755 0.3766 -0.30973 2011 10 14 55848 0.1758 0.3756 -0.31024 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) 55464 -75.14 0.20 -9.17 0.22 55465 -75.21 0.20 -9.28 0.22 55466 -75.11 0.20 -9.25 0.22 55467 -74.93 0.74 -9.22 0.34 55468 -74.85 0.69 -9.26 0.34 55469 -74.88 0.69 -9.35 0.34 55470 -74.84 0.69 -9.46 0.34 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55464 0.022 0.080 -0.036 0.220 55465 0.026 0.080 -0.045 0.220 55466 0.035 0.080 -0.054 0.220 55467 0.056 0.294 -0.076 0.340 55468 0.076 0.274 -0.081 0.340 55469 0.090 0.274 -0.061 0.340 55470 0.098 0.274 -0.048 0.340 The recommended software to predict celestial pole offsets can be found at and software for the calculation of the dX and dY components with respect to IAU2000A Nutation/Precession Theory can be found at the web site in Chapter 5 Section 5.5 of the IERS Conventions.