********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 4 November 2010 Vol. XXIII No. 044 ______________________________________________________________________ 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 29 55498 0.22470 .00009 0.30589 .00009 -0.087827 0.000008 10 10 30 55499 0.22409 .00009 0.30357 .00009 -0.088662 0.000008 10 10 31 55500 0.22339 .00009 0.30151 .00010 -0.089744 0.000010 10 11 1 55501 0.22251 .00009 0.29946 .00010 -0.091114 0.000010 10 11 2 55502 0.22155 .00009 0.29708 .00009 -0.092727 0.000010 10 11 3 55503 0.22097 .00010 0.29431 .00009 -0.094464 0.000010 10 11 4 55504 0.22063 .00010 0.29180 .00009 -0.096162 0.000010 IERS Final Values MJD x y UT1-UTC " " s 10 9 2 55441 0.2076 0.4232 -0.05082 10 9 3 55442 0.2087 0.4213 -0.05073 10 9 4 55443 0.2100 0.4194 -0.05073 10 9 5 55444 0.2115 0.4178 -0.05087 10 9 6 55445 0.2127 0.4163 -0.05124 10 9 7 55446 0.2141 0.4145 -0.05191 10 9 8 55447 0.2158 0.4127 -0.05285 10 9 9 55448 0.2171 0.4109 -0.05395 10 9 10 55449 0.2187 0.4088 -0.05496 10 9 11 55450 0.2203 0.4067 -0.05575 10 9 12 55451 0.2218 0.4045 -0.05629 10 9 13 55452 0.2228 0.4023 -0.05657 10 9 14 55453 0.2237 0.3999 -0.05655 10 9 15 55454 0.2249 0.3971 -0.05641 10 9 16 55455 0.2266 0.3948 -0.05630 10 9 17 55456 0.2280 0.3930 -0.05620 10 9 18 55457 0.2293 0.3912 -0.05617 10 9 19 55458 0.2306 0.3895 -0.05630 10 9 20 55459 0.2315 0.3880 -0.05656 10 9 21 55460 0.2320 0.3862 -0.05691 10 9 22 55461 0.2323 0.3842 -0.05732 10 9 23 55462 0.2331 0.3819 -0.05778 10 9 24 55463 0.2342 0.3802 -0.05827 10 9 25 55464 0.2347 0.3786 -0.05873 10 9 26 55465 0.2351 0.3768 -0.05915 10 9 27 55466 0.2353 0.3750 -0.05948 10 9 28 55467 0.2353 0.3728 -0.05966 10 9 29 55468 0.2351 0.3705 -0.05978 10 9 30 55469 0.2347 0.3681 -0.05990 10 10 1 55470 0.2342 0.3658 -0.06009 _______________________________________________________________________ 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 = 0.0919 + 0.0989 cos A - 0.0817 sin A + 0.0339 cos C + 0.0336 sin C y = 0.3371 - 0.0768 cos A - 0.0831 sin A + 0.0336 cos C - 0.0339 sin C UT1-UTC = -0.1079 - 0.00078 (MJD - 55512) - (UT2-UT1) where A = 2*pi*(MJD-55504)/365.25 and C = 2*pi*(MJD-55504)/435. TAI-UTC(MJD 55505) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55504)**0.80 S t = 0.00025 (MJD-55504)**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 11 5 55505 0.2201 0.2896 -0.09774 2010 11 6 55506 0.2195 0.2876 -0.09909 2010 11 7 55507 0.2188 0.2857 -0.10016 2010 11 8 55508 0.2179 0.2838 -0.10098 2010 11 9 55509 0.2170 0.2820 -0.10161 2010 11 10 55510 0.2159 0.2803 -0.10217 2010 11 11 55511 0.2148 0.2785 -0.10275 2010 11 12 55512 0.2137 0.2768 -0.10343 2010 11 13 55513 0.2125 0.2751 -0.10421 2010 11 14 55514 0.2113 0.2735 -0.10513 2010 11 15 55515 0.2100 0.2718 -0.10620 2010 11 16 55516 0.2087 0.2702 -0.10739 2010 11 17 55517 0.2074 0.2686 -0.10860 2010 11 18 55518 0.2060 0.2670 -0.10974 2010 11 19 55519 0.2047 0.2654 -0.11076 2010 11 20 55520 0.2033 0.2639 -0.11162 2010 11 21 55521 0.2018 0.2624 -0.11234 2010 11 22 55522 0.2004 0.2609 -0.11294 2010 11 23 55523 0.1989 0.2594 -0.11348 2010 11 24 55524 0.1974 0.2580 -0.11403 2010 11 25 55525 0.1959 0.2566 -0.11467 2010 11 26 55526 0.1944 0.2552 -0.11548 2010 11 27 55527 0.1928 0.2538 -0.11650 2010 11 28 55528 0.1912 0.2524 -0.11776 2010 11 29 55529 0.1897 0.2511 -0.11920 2010 11 30 55530 0.1880 0.2498 -0.12071 2010 12 1 55531 0.1864 0.2485 -0.12220 2010 12 2 55532 0.1847 0.2473 -0.12354 2010 12 3 55533 0.1831 0.2461 -0.12466 2010 12 4 55534 0.1814 0.2449 -0.12551 2010 12 5 55535 0.1797 0.2437 -0.12614 2010 12 6 55536 0.1780 0.2426 -0.12662 2010 12 7 55537 0.1762 0.2414 -0.12703 2010 12 8 55538 0.1745 0.2404 -0.12746 2010 12 9 55539 0.1727 0.2393 -0.12795 2010 12 10 55540 0.1709 0.2383 -0.12853 2010 12 11 55541 0.1691 0.2373 -0.12921 2010 12 12 55542 0.1673 0.2363 -0.12996 2010 12 13 55543 0.1655 0.2353 -0.13075 2010 12 14 55544 0.1636 0.2344 -0.13155 2010 12 15 55545 0.1618 0.2335 -0.13232 2010 12 16 55546 0.1599 0.2327 -0.13300 2010 12 17 55547 0.1581 0.2318 -0.13358 2010 12 18 55548 0.1562 0.2310 -0.13403 2010 12 19 55549 0.1543 0.2303 -0.13438 2010 12 20 55550 0.1524 0.2295 -0.13465 2010 12 21 55551 0.1505 0.2288 -0.13491 2010 12 22 55552 0.1486 0.2281 -0.13524 2010 12 23 55553 0.1467 0.2275 -0.13572 2010 12 24 55554 0.1447 0.2269 -0.13641 2010 12 25 55555 0.1428 0.2263 -0.13732 2010 12 26 55556 0.1408 0.2257 -0.13841 2010 12 27 55557 0.1389 0.2252 -0.13960 2010 12 28 55558 0.1369 0.2247 -0.14075 2010 12 29 55559 0.1350 0.2242 -0.14179 2010 12 30 55560 0.1330 0.2238 -0.14262 2010 12 31 55561 0.1311 0.2234 -0.14324 2011 1 1 55562 0.1291 0.2230 -0.14367 2011 1 2 55563 0.1271 0.2226 -0.14396 2011 1 3 55564 0.1252 0.2223 -0.14418 2011 1 4 55565 0.1232 0.2220 -0.14443 2011 1 5 55566 0.1212 0.2218 -0.14476 2011 1 6 55567 0.1192 0.2216 -0.14520 2011 1 7 55568 0.1173 0.2214 -0.14576 2011 1 8 55569 0.1153 0.2212 -0.14643 2011 1 9 55570 0.1133 0.2211 -0.14716 2011 1 10 55571 0.1114 0.2210 -0.14792 2011 1 11 55572 0.1094 0.2209 -0.14865 2011 1 12 55573 0.1075 0.2208 -0.14932 2011 1 13 55574 0.1055 0.2208 -0.14989 2011 1 14 55575 0.1035 0.2208 -0.15035 2011 1 15 55576 0.1016 0.2209 -0.15070 2011 1 16 55577 0.0997 0.2210 -0.15096 2011 1 17 55578 0.0977 0.2211 -0.15119 2011 1 18 55579 0.0958 0.2212 -0.15147 2011 1 19 55580 0.0939 0.2214 -0.15188 2011 1 20 55581 0.0920 0.2216 -0.15251 2011 1 21 55582 0.0900 0.2218 -0.15339 2011 1 22 55583 0.0881 0.2221 -0.15449 2011 1 23 55584 0.0863 0.2224 -0.15573 2011 1 24 55585 0.0844 0.2227 -0.15698 2011 1 25 55586 0.0825 0.2230 -0.15812 2011 1 26 55587 0.0806 0.2234 -0.15905 2011 1 27 55588 0.0788 0.2238 -0.15975 2011 1 28 55589 0.0770 0.2242 -0.16025 2011 1 29 55590 0.0751 0.2247 -0.16060 2011 1 30 55591 0.0733 0.2252 -0.16089 2011 1 31 55592 0.0715 0.2257 -0.16119 2011 2 1 55593 0.0697 0.2262 -0.16158 2011 2 2 55594 0.0679 0.2268 -0.16209 2011 2 3 55595 0.0662 0.2274 -0.16274 2011 2 4 55596 0.0644 0.2280 -0.16352 2011 2 5 55597 0.0627 0.2286 -0.16440 2011 2 6 55598 0.0610 0.2293 -0.16534 2011 2 7 55599 0.0593 0.2300 -0.16629 2011 2 8 55600 0.0576 0.2308 -0.16721 2011 2 9 55601 0.0559 0.2315 -0.16806 2011 2 10 55602 0.0543 0.2323 -0.16881 2011 2 11 55603 0.0526 0.2331 -0.16946 2011 2 12 55604 0.0510 0.2339 -0.17003 2011 2 13 55605 0.0494 0.2348 -0.17055 2011 2 14 55606 0.0478 0.2356 -0.17110 2011 2 15 55607 0.0463 0.2365 -0.17174 2011 2 16 55608 0.0447 0.2375 -0.17258 2011 2 17 55609 0.0432 0.2384 -0.17368 2011 2 18 55610 0.0417 0.2394 -0.17506 2011 2 19 55611 0.0402 0.2404 -0.17666 2011 2 20 55612 0.0388 0.2414 -0.17835 2011 2 21 55613 0.0373 0.2424 -0.17995 2011 2 22 55614 0.0359 0.2435 -0.18136 2011 2 23 55615 0.0345 0.2446 -0.18252 2011 2 24 55616 0.0331 0.2457 -0.18344 2011 2 25 55617 0.0318 0.2468 -0.18418 2011 2 26 55618 0.0304 0.2479 -0.18481 2011 2 27 55619 0.0291 0.2491 -0.18543 2011 2 28 55620 0.0278 0.2503 -0.18611 2011 3 1 55621 0.0266 0.2515 -0.18689 2011 3 2 55622 0.0253 0.2527 -0.18780 2011 3 3 55623 0.0241 0.2539 -0.18883 2011 3 4 55624 0.0229 0.2552 -0.18996 2011 3 5 55625 0.0218 0.2565 -0.19115 2011 3 6 55626 0.0206 0.2578 -0.19236 2011 3 7 55627 0.0195 0.2591 -0.19354 2011 3 8 55628 0.0184 0.2604 -0.19465 2011 3 9 55629 0.0174 0.2617 -0.19566 2011 3 10 55630 0.0163 0.2631 -0.19656 2011 3 11 55631 0.0153 0.2645 -0.19737 2011 3 12 55632 0.0143 0.2658 -0.19811 2011 3 13 55633 0.0134 0.2672 -0.19884 2011 3 14 55634 0.0124 0.2687 -0.19963 2011 3 15 55635 0.0115 0.2701 -0.20056 2011 3 16 55636 0.0106 0.2715 -0.20173 2011 3 17 55637 0.0098 0.2730 -0.20317 2011 3 18 55638 0.0090 0.2744 -0.20486 2011 3 19 55639 0.0082 0.2759 -0.20673 2011 3 20 55640 0.0074 0.2774 -0.20863 2011 3 21 55641 0.0067 0.2789 -0.21042 2011 3 22 55642 0.0059 0.2804 -0.21198 2011 3 23 55643 0.0053 0.2819 -0.21328 2011 3 24 55644 0.0046 0.2835 -0.21433 2011 3 25 55645 0.0040 0.2850 -0.21524 2011 3 26 55646 0.0034 0.2866 -0.21608 2011 3 27 55647 0.0028 0.2881 -0.21695 2011 3 28 55648 0.0022 0.2897 -0.21789 2011 3 29 55649 0.0017 0.2913 -0.21893 2011 3 30 55650 0.0012 0.2928 -0.22008 2011 3 31 55651 0.0008 0.2944 -0.22131 2011 4 1 55652 0.0003 0.2960 -0.22261 2011 4 2 55653 -0.0001 0.2976 -0.22392 2011 4 3 55654 -0.0004 0.2992 -0.22520 2011 4 4 55655 -0.0008 0.3008 -0.22641 2011 4 5 55656 -0.0011 0.3024 -0.22751 2011 4 6 55657 -0.0014 0.3041 -0.22850 2011 4 7 55658 -0.0017 0.3057 -0.22938 2011 4 8 55659 -0.0019 0.3073 -0.23017 2011 4 9 55660 -0.0021 0.3089 -0.23092 2011 4 10 55661 -0.0023 0.3106 -0.23169 2011 4 11 55662 -0.0024 0.3122 -0.23256 2011 4 12 55663 -0.0025 0.3138 -0.23361 2011 4 13 55664 -0.0026 0.3154 -0.23488 2011 4 14 55665 -0.0027 0.3171 -0.23639 2011 4 15 55666 -0.0027 0.3187 -0.23811 2011 4 16 55667 -0.0027 0.3203 -0.23992 2011 4 17 55668 -0.0027 0.3220 -0.24170 2011 4 18 55669 -0.0027 0.3236 -0.24332 2011 4 19 55670 -0.0026 0.3252 -0.24469 2011 4 20 55671 -0.0025 0.3269 -0.24580 2011 4 21 55672 -0.0024 0.3285 -0.24672 2011 4 22 55673 -0.0022 0.3301 -0.24752 2011 4 23 55674 -0.0020 0.3317 -0.24832 2011 4 24 55675 -0.0018 0.3333 -0.24917 2011 4 25 55676 -0.0016 0.3350 -0.25010 2011 4 26 55677 -0.0013 0.3366 -0.25112 2011 4 27 55678 -0.0010 0.3382 -0.25221 2011 4 28 55679 -0.0007 0.3398 -0.25335 2011 4 29 55680 -0.0003 0.3413 -0.25450 2011 4 30 55681 0.0001 0.3429 -0.25561 2011 5 1 55682 0.0005 0.3445 -0.25664 2011 5 2 55683 0.0009 0.3461 -0.25756 2011 5 3 55684 0.0013 0.3476 -0.25834 2011 5 4 55685 0.0018 0.3492 -0.25899 2011 5 5 55686 0.0023 0.3507 -0.25953 2011 5 6 55687 0.0029 0.3523 -0.26000 2011 5 7 55688 0.0034 0.3538 -0.26044 2011 5 8 55689 0.0040 0.3553 -0.26094 2011 5 9 55690 0.0046 0.3568 -0.26156 2011 5 10 55691 0.0052 0.3583 -0.26235 2011 5 11 55692 0.0059 0.3598 -0.26335 2011 5 12 55693 0.0065 0.3613 -0.26454 2011 5 13 55694 0.0072 0.3628 -0.26587 2011 5 14 55695 0.0080 0.3642 -0.26725 2011 5 15 55696 0.0087 0.3657 -0.26856 2011 5 16 55697 0.0095 0.3671 -0.26973 2011 5 17 55698 0.0103 0.3685 -0.27070 2011 5 18 55699 0.0111 0.3699 -0.27149 2011 5 19 55700 0.0119 0.3713 -0.27216 2011 5 20 55701 0.0128 0.3727 -0.27279 2011 5 21 55702 0.0136 0.3740 -0.27344 2011 5 22 55703 0.0145 0.3754 -0.27414 2011 5 23 55704 0.0154 0.3767 -0.27489 2011 5 24 55705 0.0164 0.3781 -0.27566 2011 5 25 55706 0.0173 0.3794 -0.27643 2011 5 26 55707 0.0183 0.3807 -0.27715 2011 5 27 55708 0.0193 0.3819 -0.27781 2011 5 28 55709 0.0203 0.3832 -0.27839 2011 5 29 55710 0.0213 0.3844 -0.27886 2011 5 30 55711 0.0224 0.3857 -0.27923 2011 5 31 55712 0.0235 0.3869 -0.27951 2011 6 1 55713 0.0245 0.3881 -0.27972 2011 6 2 55714 0.0256 0.3892 -0.27987 2011 6 3 55715 0.0268 0.3904 -0.28000 2011 6 4 55716 0.0279 0.3915 -0.28018 2011 6 5 55717 0.0291 0.3927 -0.28047 2011 6 6 55718 0.0302 0.3938 -0.28093 2011 6 7 55719 0.0314 0.3949 -0.28158 2011 6 8 55720 0.0326 0.3959 -0.28241 2011 6 9 55721 0.0338 0.3970 -0.28335 2011 6 10 55722 0.0350 0.3980 -0.28431 2011 6 11 55723 0.0363 0.3990 -0.28519 2011 6 12 55724 0.0375 0.4000 -0.28587 2011 6 13 55725 0.0388 0.4010 -0.28630 2011 6 14 55726 0.0401 0.4019 -0.28646 2011 6 15 55727 0.0414 0.4029 -0.28643 2011 6 16 55728 0.0427 0.4038 -0.28629 2011 6 17 55729 0.0440 0.4047 -0.28617 2011 6 18 55730 0.0453 0.4055 -0.28614 2011 6 19 55731 0.0466 0.4064 -0.28618 2011 6 20 55732 0.0480 0.4072 -0.28630 2011 6 21 55733 0.0493 0.4080 -0.28646 2011 6 22 55734 0.0507 0.4088 -0.28659 2011 6 23 55735 0.0521 0.4096 -0.28665 2011 6 24 55736 0.0534 0.4103 -0.28664 2011 6 25 55737 0.0548 0.4110 -0.28656 2011 6 26 55738 0.0562 0.4117 -0.28643 2011 6 27 55739 0.0576 0.4124 -0.28624 2011 6 28 55740 0.0590 0.4131 -0.28590 2011 6 29 55741 0.0605 0.4137 -0.28536 2011 6 30 55742 0.0619 0.4143 -0.28469 2011 7 1 55743 0.0633 0.4149 -0.28403 2011 7 2 55744 0.0647 0.4155 -0.28342 2011 7 3 55745 0.0662 0.4161 -0.28288 2011 7 4 55746 0.0676 0.4166 -0.28253 2011 7 5 55747 0.0691 0.4171 -0.28240 2011 7 6 55748 0.0705 0.4176 -0.28244 2011 7 7 55749 0.0720 0.4180 -0.28256 2011 7 8 55750 0.0734 0.4185 -0.28264 2011 7 9 55751 0.0749 0.4189 -0.28260 2011 7 10 55752 0.0764 0.4193 -0.28238 2011 7 11 55753 0.0778 0.4197 -0.28189 2011 7 12 55754 0.0793 0.4200 -0.28120 2011 7 13 55755 0.0807 0.4203 -0.28041 2011 7 14 55756 0.0822 0.4206 -0.27968 2011 7 15 55757 0.0837 0.4209 -0.27918 2011 7 16 55758 0.0851 0.4212 -0.27883 2011 7 17 55759 0.0866 0.4214 -0.27867 2011 7 18 55760 0.0881 0.4216 -0.27870 2011 7 19 55761 0.0895 0.4218 -0.27872 2011 7 20 55762 0.0910 0.4220 -0.27870 2011 7 21 55763 0.0924 0.4222 -0.27870 2011 7 22 55764 0.0939 0.4223 -0.27864 2011 7 23 55765 0.0953 0.4224 -0.27853 2011 7 24 55766 0.0968 0.4225 -0.27830 2011 7 25 55767 0.0982 0.4225 -0.27795 2011 7 26 55768 0.0997 0.4226 -0.27758 2011 7 27 55769 0.1011 0.4226 -0.27718 2011 7 28 55770 0.1025 0.4226 -0.27679 2011 7 29 55771 0.1040 0.4226 -0.27650 2011 7 30 55772 0.1054 0.4225 -0.27642 2011 7 31 55773 0.1068 0.4225 -0.27658 2011 8 1 55774 0.1082 0.4224 -0.27698 2011 8 2 55775 0.1096 0.4223 -0.27763 2011 8 3 55776 0.1110 0.4222 -0.27842 2011 8 4 55777 0.1124 0.4220 -0.27917 2011 8 5 55778 0.1137 0.4218 -0.27979 2011 8 6 55779 0.1151 0.4216 -0.28019 2011 8 7 55780 0.1165 0.4214 -0.28035 2011 8 8 55781 0.1178 0.4212 -0.28026 2011 8 9 55782 0.1192 0.4210 -0.28005 2011 8 10 55783 0.1205 0.4207 -0.27978 2011 8 11 55784 0.1218 0.4204 -0.27953 2011 8 12 55785 0.1231 0.4201 -0.27937 2011 8 13 55786 0.1244 0.4198 -0.27933 2011 8 14 55787 0.1257 0.4194 -0.27941 2011 8 15 55788 0.1270 0.4191 -0.27961 2011 8 16 55789 0.1282 0.4187 -0.27994 2011 8 17 55790 0.1295 0.4183 -0.28035 2011 8 18 55791 0.1307 0.4179 -0.28076 2011 8 19 55792 0.1320 0.4174 -0.28110 2011 8 20 55793 0.1332 0.4170 -0.28135 2011 8 21 55794 0.1344 0.4165 -0.28153 2011 8 22 55795 0.1356 0.4160 -0.28159 2011 8 23 55796 0.1368 0.4155 -0.28157 2011 8 24 55797 0.1379 0.4150 -0.28150 2011 8 25 55798 0.1391 0.4144 -0.28140 2011 8 26 55799 0.1402 0.4139 -0.28144 2011 8 27 55800 0.1413 0.4133 -0.28170 2011 8 28 55801 0.1424 0.4127 -0.28220 2011 8 29 55802 0.1435 0.4121 -0.28293 2011 8 30 55803 0.1446 0.4115 -0.28387 2011 8 31 55804 0.1457 0.4108 -0.28488 2011 9 1 55805 0.1467 0.4102 -0.28577 2011 9 2 55806 0.1477 0.4095 -0.28644 2011 9 3 55807 0.1488 0.4088 -0.28684 2011 9 4 55808 0.1498 0.4081 -0.28698 2011 9 5 55809 0.1507 0.4074 -0.28702 2011 9 6 55810 0.1517 0.4067 -0.28707 2011 9 7 55811 0.1526 0.4060 -0.28717 2011 9 8 55812 0.1536 0.4052 -0.28731 2011 9 9 55813 0.1545 0.4045 -0.28756 2011 9 10 55814 0.1554 0.4037 -0.28791 2011 9 11 55815 0.1563 0.4029 -0.28837 2011 9 12 55816 0.1571 0.4021 -0.28895 2011 9 13 55817 0.1580 0.4013 -0.28952 2011 9 14 55818 0.1588 0.4005 -0.29008 2011 9 15 55819 0.1596 0.3996 -0.29057 2011 9 16 55820 0.1604 0.3988 -0.29102 2011 9 17 55821 0.1612 0.3979 -0.29136 2011 9 18 55822 0.1619 0.3971 -0.29159 2011 9 19 55823 0.1627 0.3962 -0.29176 2011 9 20 55824 0.1634 0.3953 -0.29188 2011 9 21 55825 0.1641 0.3944 -0.29199 2011 9 22 55826 0.1648 0.3935 -0.29222 2011 9 23 55827 0.1654 0.3926 -0.29261 2011 9 24 55828 0.1661 0.3917 -0.29325 2011 9 25 55829 0.1667 0.3908 -0.29417 2011 9 26 55830 0.1673 0.3898 -0.29534 2011 9 27 55831 0.1679 0.3889 -0.29673 2011 9 28 55832 0.1684 0.3879 -0.29817 2011 9 29 55833 0.1690 0.3870 -0.29949 2011 9 30 55834 0.1695 0.3860 -0.30062 2011 10 1 55835 0.1700 0.3851 -0.30156 2011 10 2 55836 0.1705 0.3841 -0.30244 2011 10 3 55837 0.1710 0.3831 -0.30327 2011 10 4 55838 0.1714 0.3821 -0.30414 2011 10 5 55839 0.1718 0.3811 -0.30504 2011 10 6 55840 0.1723 0.3801 -0.30603 2011 10 7 55841 0.1727 0.3791 -0.30712 2011 10 8 55842 0.1730 0.3781 -0.30831 2011 10 9 55843 0.1734 0.3771 -0.30954 2011 10 10 55844 0.1737 0.3761 -0.31073 2011 10 11 55845 0.1740 0.3751 -0.31181 2011 10 12 55846 0.1743 0.3741 -0.31276 2011 10 13 55847 0.1746 0.3730 -0.31353 2011 10 14 55848 0.1748 0.3720 -0.31416 2011 10 15 55849 0.1751 0.3710 -0.31471 2011 10 16 55850 0.1753 0.3700 -0.31520 2011 10 17 55851 0.1755 0.3689 -0.31566 2011 10 18 55852 0.1757 0.3679 -0.31607 2011 10 19 55853 0.1758 0.3669 -0.31659 2011 10 20 55854 0.1760 0.3658 -0.31729 2011 10 21 55855 0.1761 0.3648 -0.31823 2011 10 22 55856 0.1762 0.3638 -0.31940 2011 10 23 55857 0.1763 0.3627 -0.32077 2011 10 24 55858 0.1764 0.3617 -0.32227 2011 10 25 55859 0.1764 0.3607 -0.32385 2011 10 26 55860 0.1764 0.3597 -0.32540 2011 10 27 55861 0.1765 0.3586 -0.32679 2011 10 28 55862 0.1764 0.3576 -0.32797 2011 10 29 55863 0.1764 0.3566 -0.32893 2011 10 30 55864 0.1764 0.3556 -0.32971 2011 10 31 55865 0.1763 0.3545 -0.33046 2011 11 1 55866 0.1762 0.3535 -0.33127 2011 11 2 55867 0.1762 0.3525 -0.33214 2011 11 3 55868 0.1760 0.3515 -0.33302 2011 11 4 55869 0.1759 0.3505 -0.33389 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) 55485 -72.44 0.29 -8.66 0.11 55486 -72.32 0.30 -8.56 0.34 55487 -72.11 0.30 -8.54 0.34 55488 -71.91 0.74 -8.52 0.34 55489 -71.83 0.19 -8.49 0.34 55490 -71.83 0.19 -8.50 0.34 55491 -71.87 0.19 -8.58 0.34 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 55441 -75.5 -10.0 55442 -75.7 -10.0 55443 -75.4 -10.0 55444 -74.8 -10.0 55445 -74.3 -9.9 55446 -74.2 -9.7 55447 -74.7 -9.5 55448 -75.2 -9.4 55449 -75.6 -9.4 55450 -76.0 -9.3 55451 -76.4 -9.1 55452 -76.7 -9.0 55453 -76.3 -9.1 55454 -75.4 -9.4 55455 -74.6 -9.5 55456 -74.4 -9.3 55457 -74.6 -9.1 55458 -74.9 -9.0 55459 -74.9 -9.0 55460 -74.8 -8.9 55461 -74.6 -8.9 55462 -74.5 -8.9 55463 -74.6 -9.0 55464 -74.7 -9.2 55465 -74.6 -9.3 55466 -74.3 -9.4 55467 -74.0 -9.3 55468 -73.9 -9.3 55469 -74.1 -9.4 55470 -74.2 -9.5 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55485 0.265 0.115 -0.069 0.110 55486 0.276 0.119 -0.033 0.340 55487 0.283 0.119 -0.017 0.340 55488 0.286 0.294 -0.015 0.340 55489 0.281 0.076 -0.031 0.340 55490 0.281 0.076 -0.054 0.340 55491 0.295 0.076 -0.086 0.340 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 55441 0.16 -0.13 55442 0.14 -0.15 55443 0.18 -0.15 55444 0.25 -0.09 55445 0.30 0.01 55446 0.33 0.01 55447 0.25 -0.05 55448 0.17 -0.05 55449 0.03 -0.01 55450 -0.13 0.03 55451 -0.18 0.02 55452 -0.16 -0.01 55453 -0.01 0.04 55454 0.16 0.02 55455 0.28 0.03 55456 0.30 0.09 55457 0.25 0.08 55458 0.13 0.02 55459 0.08 -0.08 55460 0.04 -0.11 55461 0.08 -0.22 55462 0.14 -0.19 55463 0.16 -0.10 55464 0.20 -0.07 55465 0.27 -0.07 55466 0.36 -0.20 55467 0.43 -0.16 55468 0.45 -0.12 55469 0.40 -0.11 55470 0.35 -0.09 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.