********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 2 September 2010 Vol. XXIII No. 035 ______________________________________________________________________ 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 8 27 55435 0.20106 .00009 0.43167 .00009 -0.049978 0.000019 10 8 28 55436 0.20235 .00009 0.42995 .00009 -0.050327 0.000016 10 8 29 55437 0.20339 .00009 0.42843 .00009 -0.050611 0.000014 10 8 30 55438 0.20439 .00009 0.42706 .00009 -0.050806 0.000012 10 8 31 55439 0.20566 .00009 0.42573 .00009 -0.050903 0.000011 10 9 1 55440 0.20686 .00009 0.42450 .00009 -0.050903 0.000007 10 9 2 55441 0.20772 .00009 0.42312 .00009 -0.050838 0.000055 IERS Final Values MJD x y UT1-UTC " " s 10 7 2 55379 0.0646 0.4837 -0.05684 10 7 3 55380 0.0679 0.4839 -0.05688 10 7 4 55381 0.0710 0.4841 -0.05691 10 7 5 55382 0.0744 0.4842 -0.05687 10 7 6 55383 0.0778 0.4841 -0.05669 10 7 7 55384 0.0809 0.4844 -0.05633 10 7 8 55385 0.0837 0.4843 -0.05583 10 7 9 55386 0.0863 0.4841 -0.05523 10 7 10 55387 0.0885 0.4840 -0.05461 10 7 11 55388 0.0908 0.4839 -0.05407 10 7 12 55389 0.0931 0.4838 -0.05367 10 7 13 55390 0.0954 0.4838 -0.05349 10 7 14 55391 0.0981 0.4838 -0.05353 10 7 15 55392 0.1004 0.4839 -0.05376 10 7 16 55393 0.1023 0.4835 -0.05409 10 7 17 55394 0.1041 0.4829 -0.05441 10 7 18 55395 0.1064 0.4818 -0.05460 10 7 19 55396 0.1094 0.4806 -0.05464 10 7 20 55397 0.1121 0.4795 -0.05445 10 7 21 55398 0.1146 0.4787 -0.05404 10 7 22 55399 0.1170 0.4780 -0.05341 10 7 23 55400 0.1195 0.4772 -0.05262 10 7 24 55401 0.1217 0.4764 -0.05187 10 7 25 55402 0.1237 0.4751 -0.05117 10 7 26 55403 0.1262 0.4736 -0.05060 10 7 27 55404 0.1289 0.4724 -0.05020 10 7 28 55405 0.1312 0.4713 -0.04996 10 7 29 55406 0.1334 0.4705 -0.04984 10 7 30 55407 0.1353 0.4696 -0.04978 10 7 31 55408 0.1372 0.4681 -0.04970 10 8 1 55409 0.1395 0.4668 -0.04954 _______________________________________________________________________ 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 = 0.0957 + 0.1261 cos A + 0.0193 sin A - 0.0247 cos C + 0.0693 sin C y = 0.3437 + 0.0134 cos A - 0.1130 sin A + 0.0693 cos C + 0.0247 sin C UT1-UTC = -0.0764 - 0.00080 (MJD - 55449) - (UT2-UT1) where A = 2*pi*(MJD-55441)/365.25 and C = 2*pi*(MJD-55441)/435. TAI-UTC(MJD 55442) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55441)**0.80 S t = 0.00025 (MJD-55441)**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 9 3 55442 0.2088 0.4216 -0.05077 2010 9 4 55443 0.2096 0.4200 -0.05079 2010 9 5 55444 0.2105 0.4183 -0.05097 2010 9 6 55445 0.2114 0.4165 -0.05140 2010 9 7 55446 0.2123 0.4148 -0.05210 2010 9 8 55447 0.2132 0.4131 -0.05304 2010 9 9 55448 0.2141 0.4113 -0.05409 2010 9 10 55449 0.2150 0.4095 -0.05510 2010 9 11 55450 0.2158 0.4078 -0.05592 2010 9 12 55451 0.2166 0.4060 -0.05647 2010 9 13 55452 0.2174 0.4042 -0.05679 2010 9 14 55453 0.2181 0.4024 -0.05695 2010 9 15 55454 0.2188 0.4005 -0.05703 2010 9 16 55455 0.2195 0.3987 -0.05713 2010 9 17 55456 0.2201 0.3969 -0.05730 2010 9 18 55457 0.2208 0.3950 -0.05759 2010 9 19 55458 0.2213 0.3932 -0.05801 2010 9 20 55459 0.2219 0.3913 -0.05857 2010 9 21 55460 0.2224 0.3894 -0.05926 2010 9 22 55461 0.2229 0.3876 -0.06004 2010 9 23 55462 0.2233 0.3857 -0.06087 2010 9 24 55463 0.2237 0.3838 -0.06171 2010 9 25 55464 0.2241 0.3819 -0.06251 2010 9 26 55465 0.2244 0.3800 -0.06321 2010 9 27 55466 0.2247 0.3781 -0.06382 2010 9 28 55467 0.2250 0.3762 -0.06431 2010 9 29 55468 0.2252 0.3742 -0.06473 2010 9 30 55469 0.2254 0.3723 -0.06512 2010 10 1 55470 0.2256 0.3704 -0.06555 2010 10 2 55471 0.2257 0.3685 -0.06614 2010 10 3 55472 0.2258 0.3666 -0.06695 2010 10 4 55473 0.2259 0.3646 -0.06802 2010 10 5 55474 0.2259 0.3627 -0.06935 2010 10 6 55475 0.2259 0.3608 -0.07085 2010 10 7 55476 0.2259 0.3589 -0.07240 2010 10 8 55477 0.2258 0.3569 -0.07384 2010 10 9 55478 0.2257 0.3550 -0.07505 2010 10 10 55479 0.2256 0.3531 -0.07598 2010 10 11 55480 0.2254 0.3512 -0.07668 2010 10 12 55481 0.2252 0.3493 -0.07722 2010 10 13 55482 0.2250 0.3474 -0.07770 2010 10 14 55483 0.2247 0.3455 -0.07820 2010 10 15 55484 0.2244 0.3436 -0.07879 2010 10 16 55485 0.2241 0.3417 -0.07950 2010 10 17 55486 0.2237 0.3398 -0.08033 2010 10 18 55487 0.2233 0.3379 -0.08127 2010 10 19 55488 0.2229 0.3360 -0.08230 2010 10 20 55489 0.2224 0.3341 -0.08337 2010 10 21 55490 0.2219 0.3323 -0.08443 2010 10 22 55491 0.2214 0.3304 -0.08544 2010 10 23 55492 0.2208 0.3286 -0.08637 2010 10 24 55493 0.2202 0.3267 -0.08717 2010 10 25 55494 0.2196 0.3249 -0.08787 2010 10 26 55495 0.2190 0.3231 -0.08848 2010 10 27 55496 0.2183 0.3213 -0.08906 2010 10 28 55497 0.2176 0.3195 -0.08966 2010 10 29 55498 0.2168 0.3177 -0.09039 2010 10 30 55499 0.2161 0.3160 -0.09131 2010 10 31 55500 0.2153 0.3142 -0.09247 2010 11 1 55501 0.2144 0.3125 -0.09387 2010 11 2 55502 0.2136 0.3107 -0.09547 2010 11 3 55503 0.2127 0.3090 -0.09716 2010 11 4 55504 0.2118 0.3073 -0.09881 2010 11 5 55505 0.2108 0.3056 -0.10031 2010 11 6 55506 0.2099 0.3039 -0.10159 2010 11 7 55507 0.2089 0.3023 -0.10263 2010 11 8 55508 0.2078 0.3006 -0.10349 2010 11 9 55509 0.2068 0.2990 -0.10425 2010 11 10 55510 0.2057 0.2974 -0.10500 2010 11 11 55511 0.2046 0.2958 -0.10581 2010 11 12 55512 0.2035 0.2942 -0.10671 2010 11 13 55513 0.2023 0.2927 -0.10772 2010 11 14 55514 0.2011 0.2911 -0.10882 2010 11 15 55515 0.1999 0.2896 -0.11000 2010 11 16 55516 0.1987 0.2881 -0.11122 2010 11 17 55517 0.1975 0.2866 -0.11245 2010 11 18 55518 0.1962 0.2852 -0.11363 2010 11 19 55519 0.1949 0.2837 -0.11473 2010 11 20 55520 0.1936 0.2823 -0.11571 2010 11 21 55521 0.1922 0.2809 -0.11657 2010 11 22 55522 0.1909 0.2795 -0.11731 2010 11 23 55523 0.1895 0.2782 -0.11799 2010 11 24 55524 0.1881 0.2768 -0.11867 2010 11 25 55525 0.1867 0.2755 -0.11943 2010 11 26 55526 0.1852 0.2742 -0.12035 2010 11 27 55527 0.1838 0.2729 -0.12147 2010 11 28 55528 0.1823 0.2717 -0.12279 2010 11 29 55529 0.1808 0.2705 -0.12426 2010 11 30 55530 0.1793 0.2693 -0.12581 2010 12 1 55531 0.1777 0.2681 -0.12732 2010 12 2 55532 0.1762 0.2669 -0.12869 2010 12 3 55533 0.1746 0.2658 -0.12985 2010 12 4 55534 0.1730 0.2647 -0.13078 2010 12 5 55535 0.1714 0.2636 -0.13149 2010 12 6 55536 0.1698 0.2626 -0.13207 2010 12 7 55537 0.1682 0.2615 -0.13260 2010 12 8 55538 0.1665 0.2605 -0.13316 2010 12 9 55539 0.1649 0.2595 -0.13380 2010 12 10 55540 0.1632 0.2586 -0.13454 2010 12 11 55541 0.1615 0.2577 -0.13539 2010 12 12 55542 0.1598 0.2568 -0.13633 2010 12 13 55543 0.1581 0.2559 -0.13731 2010 12 14 55544 0.1564 0.2550 -0.13830 2010 12 15 55545 0.1547 0.2542 -0.13926 2010 12 16 55546 0.1529 0.2534 -0.14014 2010 12 17 55547 0.1512 0.2527 -0.14091 2010 12 18 55548 0.1494 0.2519 -0.14157 2010 12 19 55549 0.1477 0.2512 -0.14211 2010 12 20 55550 0.1459 0.2505 -0.14254 2010 12 21 55551 0.1441 0.2499 -0.14295 2010 12 22 55552 0.1423 0.2492 -0.14342 2010 12 23 55553 0.1405 0.2486 -0.14405 2010 12 24 55554 0.1387 0.2480 -0.14488 2010 12 25 55555 0.1369 0.2475 -0.14594 2010 12 26 55556 0.1351 0.2470 -0.14717 2010 12 27 55557 0.1333 0.2465 -0.14848 2010 12 28 55558 0.1315 0.2460 -0.14976 2010 12 29 55559 0.1297 0.2456 -0.15092 2010 12 30 55560 0.1279 0.2452 -0.15187 2010 12 31 55561 0.1260 0.2448 -0.15261 2011 1 1 55562 0.1242 0.2444 -0.15314 2011 1 2 55563 0.1224 0.2441 -0.15354 2011 1 3 55564 0.1205 0.2438 -0.15389 2011 1 4 55565 0.1187 0.2436 -0.15426 2011 1 5 55566 0.1169 0.2433 -0.15471 2011 1 6 55567 0.1150 0.2431 -0.15528 2011 1 7 55568 0.1132 0.2429 -0.15598 2011 1 8 55569 0.1114 0.2428 -0.15677 2011 1 9 55570 0.1096 0.2427 -0.15764 2011 1 10 55571 0.1077 0.2426 -0.15854 2011 1 11 55572 0.1059 0.2425 -0.15941 2011 1 12 55573 0.1041 0.2425 -0.16022 2011 1 13 55574 0.1023 0.2424 -0.16094 2011 1 14 55575 0.1005 0.2425 -0.16154 2011 1 15 55576 0.0987 0.2425 -0.16204 2011 1 16 55577 0.0969 0.2426 -0.16245 2011 1 17 55578 0.0951 0.2427 -0.16283 2011 1 18 55579 0.0933 0.2428 -0.16326 2011 1 19 55580 0.0915 0.2429 -0.16382 2011 1 20 55581 0.0898 0.2431 -0.16460 2011 1 21 55582 0.0880 0.2433 -0.16563 2011 1 22 55583 0.0862 0.2436 -0.16689 2011 1 23 55584 0.0845 0.2438 -0.16829 2011 1 24 55585 0.0828 0.2441 -0.16970 2011 1 25 55586 0.0810 0.2444 -0.17100 2011 1 26 55587 0.0793 0.2448 -0.17209 2011 1 27 55588 0.0776 0.2451 -0.17294 2011 1 28 55589 0.0759 0.2455 -0.17359 2011 1 29 55590 0.0743 0.2460 -0.17408 2011 1 30 55591 0.0726 0.2464 -0.17451 2011 1 31 55592 0.0709 0.2469 -0.17494 2011 2 1 55593 0.0693 0.2474 -0.17545 2011 2 2 55594 0.0677 0.2479 -0.17608 2011 2 3 55595 0.0660 0.2484 -0.17684 2011 2 4 55596 0.0644 0.2490 -0.17773 2011 2 5 55597 0.0629 0.2496 -0.17870 2011 2 6 55598 0.0613 0.2502 -0.17973 2011 2 7 55599 0.0597 0.2509 -0.18075 2011 2 8 55600 0.0582 0.2515 -0.18173 2011 2 9 55601 0.0567 0.2522 -0.18263 2011 2 10 55602 0.0551 0.2530 -0.18343 2011 2 11 55603 0.0537 0.2537 -0.18412 2011 2 12 55604 0.0522 0.2545 -0.18473 2011 2 13 55605 0.0507 0.2552 -0.18528 2011 2 14 55606 0.0493 0.2560 -0.18586 2011 2 15 55607 0.0479 0.2569 -0.18655 2011 2 16 55608 0.0465 0.2577 -0.18743 2011 2 17 55609 0.0451 0.2586 -0.18858 2011 2 18 55610 0.0437 0.2595 -0.19001 2011 2 19 55611 0.0424 0.2604 -0.19166 2011 2 20 55612 0.0411 0.2613 -0.19340 2011 2 21 55613 0.0398 0.2623 -0.19510 2011 2 22 55614 0.0385 0.2633 -0.19661 2011 2 23 55615 0.0372 0.2642 -0.19788 2011 2 24 55616 0.0360 0.2653 -0.19890 2011 2 25 55617 0.0348 0.2663 -0.19974 2011 2 26 55618 0.0336 0.2673 -0.20048 2011 2 27 55619 0.0324 0.2684 -0.20121 2011 2 28 55620 0.0312 0.2695 -0.20199 2011 3 1 55621 0.0301 0.2706 -0.20288 2011 3 2 55622 0.0290 0.2717 -0.20388 2011 3 3 55623 0.0279 0.2729 -0.20501 2011 3 4 55624 0.0269 0.2740 -0.20624 2011 3 5 55625 0.0258 0.2752 -0.20753 2011 3 6 55626 0.0248 0.2764 -0.20882 2011 3 7 55627 0.0238 0.2776 -0.21008 2011 3 8 55628 0.0229 0.2788 -0.21125 2011 3 9 55629 0.0219 0.2800 -0.21230 2011 3 10 55630 0.0210 0.2813 -0.21322 2011 3 11 55631 0.0201 0.2825 -0.21401 2011 3 12 55632 0.0192 0.2838 -0.21470 2011 3 13 55633 0.0184 0.2851 -0.21534 2011 3 14 55634 0.0176 0.2864 -0.21600 2011 3 15 55635 0.0168 0.2877 -0.21678 2011 3 16 55636 0.0160 0.2890 -0.21777 2011 3 17 55637 0.0153 0.2903 -0.21901 2011 3 18 55638 0.0146 0.2917 -0.22051 2011 3 19 55639 0.0139 0.2930 -0.22219 2011 3 20 55640 0.0132 0.2944 -0.22393 2011 3 21 55641 0.0126 0.2958 -0.22560 2011 3 22 55642 0.0120 0.2971 -0.22710 2011 3 23 55643 0.0114 0.2985 -0.22840 2011 3 24 55644 0.0109 0.2999 -0.22953 2011 3 25 55645 0.0103 0.3013 -0.23056 2011 3 26 55646 0.0098 0.3028 -0.23158 2011 3 27 55647 0.0094 0.3042 -0.23267 2011 3 28 55648 0.0089 0.3056 -0.23386 2011 3 29 55649 0.0085 0.3071 -0.23518 2011 3 30 55650 0.0081 0.3085 -0.23663 2011 3 31 55651 0.0077 0.3100 -0.23819 2011 4 1 55652 0.0074 0.3114 -0.23983 2011 4 2 55653 0.0071 0.3129 -0.24149 2011 4 3 55654 0.0068 0.3143 -0.24311 2011 4 4 55655 0.0065 0.3158 -0.24463 2011 4 5 55656 0.0063 0.3173 -0.24600 2011 4 6 55657 0.0061 0.3188 -0.24720 2011 4 7 55658 0.0059 0.3202 -0.24824 2011 4 8 55659 0.0058 0.3217 -0.24917 2011 4 9 55660 0.0056 0.3232 -0.25003 2011 4 10 55661 0.0055 0.3247 -0.25092 2011 4 11 55662 0.0055 0.3262 -0.25194 2011 4 12 55663 0.0054 0.3277 -0.25319 2011 4 13 55664 0.0054 0.3292 -0.25475 2011 4 14 55665 0.0054 0.3306 -0.25660 2011 4 15 55666 0.0054 0.3321 -0.25867 2011 4 16 55667 0.0055 0.3336 -0.26085 2011 4 17 55668 0.0056 0.3351 -0.26302 2011 4 18 55669 0.0057 0.3366 -0.26499 2011 4 19 55670 0.0058 0.3381 -0.26666 2011 4 20 55671 0.0060 0.3396 -0.26801 2011 4 21 55672 0.0062 0.3410 -0.26905 2011 4 22 55673 0.0064 0.3425 -0.26996 2011 4 23 55674 0.0067 0.3440 -0.27086 2011 4 24 55675 0.0069 0.3454 -0.27177 2011 4 25 55676 0.0072 0.3469 -0.27277 2011 4 26 55677 0.0075 0.3484 -0.27390 2011 4 27 55678 0.0079 0.3498 -0.27514 2011 4 28 55679 0.0082 0.3513 -0.27640 2011 4 29 55680 0.0086 0.3527 -0.27763 2011 4 30 55681 0.0090 0.3541 -0.27878 2011 5 1 55682 0.0095 0.3556 -0.27980 2011 5 2 55683 0.0100 0.3570 -0.28072 2011 5 3 55684 0.0104 0.3584 -0.28156 2011 5 4 55685 0.0109 0.3598 -0.28227 2011 5 5 55686 0.0115 0.3612 -0.28281 2011 5 6 55687 0.0120 0.3626 -0.28327 2011 5 7 55688 0.0126 0.3640 -0.28369 2011 5 8 55689 0.0132 0.3653 -0.28419 2011 5 9 55690 0.0138 0.3667 -0.28486 2011 5 10 55691 0.0145 0.3681 -0.28569 2011 5 11 55692 0.0152 0.3694 -0.28673 2011 5 12 55693 0.0158 0.3707 -0.28797 2011 5 13 55694 0.0166 0.3721 -0.28936 2011 5 14 55695 0.0173 0.3734 -0.29075 2011 5 15 55696 0.0180 0.3747 -0.29200 2011 5 16 55697 0.0188 0.3759 -0.29304 2011 5 17 55698 0.0196 0.3772 -0.29378 2011 5 18 55699 0.0204 0.3785 -0.29424 2011 5 19 55700 0.0213 0.3797 -0.29455 2011 5 20 55701 0.0221 0.3810 -0.29477 2011 5 21 55702 0.0230 0.3822 -0.29503 2011 5 22 55703 0.0239 0.3834 -0.29538 2011 5 23 55704 0.0248 0.3846 -0.29587 2011 5 24 55705 0.0257 0.3858 -0.29652 2011 5 25 55706 0.0266 0.3870 -0.29728 2011 5 26 55707 0.0276 0.3881 -0.29807 2011 5 27 55708 0.0286 0.3892 -0.29885 2011 5 28 55709 0.0296 0.3904 -0.29960 2011 5 29 55710 0.0306 0.3915 -0.30034 2011 5 30 55711 0.0316 0.3926 -0.30097 2011 5 31 55712 0.0327 0.3937 -0.30149 2011 6 1 55713 0.0337 0.3947 -0.30185 2011 6 2 55714 0.0348 0.3958 -0.30212 2011 6 3 55715 0.0359 0.3968 -0.30234 2011 6 4 55716 0.0370 0.3978 -0.30262 2011 6 5 55717 0.0381 0.3988 -0.30298 2011 6 6 55718 0.0392 0.3998 -0.30345 2011 6 7 55719 0.0404 0.4007 -0.30402 2011 6 8 55720 0.0415 0.4017 -0.30469 2011 6 9 55721 0.0427 0.4026 -0.30539 2011 6 10 55722 0.0439 0.4035 -0.30606 2011 6 11 55723 0.0450 0.4044 -0.30667 2011 6 12 55724 0.0463 0.4053 -0.30713 2011 6 13 55725 0.0475 0.4061 -0.30736 2011 6 14 55726 0.0487 0.4070 -0.30731 2011 6 15 55727 0.0499 0.4078 -0.30713 2011 6 16 55728 0.0512 0.4086 -0.30689 2011 6 17 55729 0.0524 0.4093 -0.30672 2011 6 18 55730 0.0537 0.4101 -0.30662 2011 6 19 55731 0.0549 0.4108 -0.30660 2011 6 20 55732 0.0562 0.4116 -0.30665 2011 6 21 55733 0.0575 0.4123 -0.30679 2011 6 22 55734 0.0588 0.4129 -0.30699 2011 6 23 55735 0.0601 0.4136 -0.30719 2011 6 24 55736 0.0614 0.4142 -0.30734 2011 6 25 55737 0.0627 0.4149 -0.30737 2011 6 26 55738 0.0640 0.4155 -0.30724 2011 6 27 55739 0.0654 0.4160 -0.30697 2011 6 28 55740 0.0667 0.4166 -0.30660 2011 6 29 55741 0.0680 0.4171 -0.30611 2011 6 30 55742 0.0694 0.4177 -0.30551 2011 7 1 55743 0.0707 0.4182 -0.30485 2011 7 2 55744 0.0721 0.4186 -0.30427 2011 7 3 55745 0.0734 0.4191 -0.30389 2011 7 4 55746 0.0748 0.4195 -0.30369 2011 7 5 55747 0.0761 0.4200 -0.30363 2011 7 6 55748 0.0775 0.4204 -0.30367 2011 7 7 55749 0.0788 0.4207 -0.30370 2011 7 8 55750 0.0802 0.4211 -0.30366 2011 7 9 55751 0.0815 0.4214 -0.30351 2011 7 10 55752 0.0829 0.4217 -0.30313 2011 7 11 55753 0.0843 0.4220 -0.30251 2011 7 12 55754 0.0856 0.4223 -0.30173 2011 7 13 55755 0.0870 0.4226 -0.30093 2011 7 14 55756 0.0883 0.4228 -0.30021 2011 7 15 55757 0.0897 0.4230 -0.29962 2011 7 16 55758 0.0910 0.4232 -0.29918 2011 7 17 55759 0.0924 0.4234 -0.29883 2011 7 18 55760 0.0937 0.4235 -0.29855 2011 7 19 55761 0.0951 0.4236 -0.29831 2011 7 20 55762 0.0964 0.4238 -0.29806 2011 7 21 55763 0.0978 0.4239 -0.29780 2011 7 22 55764 0.0991 0.4239 -0.29746 2011 7 23 55765 0.1004 0.4240 -0.29703 2011 7 24 55766 0.1017 0.4240 -0.29651 2011 7 25 55767 0.1031 0.4240 -0.29591 2011 7 26 55768 0.1044 0.4240 -0.29522 2011 7 27 55769 0.1057 0.4240 -0.29448 2011 7 28 55770 0.1070 0.4239 -0.29374 2011 7 29 55771 0.1083 0.4239 -0.29315 2011 7 30 55772 0.1095 0.4238 -0.29280 2011 7 31 55773 0.1108 0.4237 -0.29265 2011 8 1 55774 0.1121 0.4235 -0.29271 2011 8 2 55775 0.1134 0.4234 -0.29292 2011 8 3 55776 0.1146 0.4232 -0.29321 2011 8 4 55777 0.1159 0.4231 -0.29345 2011 8 5 55778 0.1171 0.4229 -0.29355 2011 8 6 55779 0.1183 0.4226 -0.29342 2011 8 7 55780 0.1195 0.4224 -0.29304 2011 8 8 55781 0.1207 0.4221 -0.29250 2011 8 9 55782 0.1219 0.4219 -0.29187 2011 8 10 55783 0.1231 0.4216 -0.29125 2011 8 11 55784 0.1243 0.4213 -0.29078 2011 8 12 55785 0.1255 0.4209 -0.29048 2011 8 13 55786 0.1266 0.4206 -0.29033 2011 8 14 55787 0.1278 0.4202 -0.29032 2011 8 15 55788 0.1289 0.4199 -0.29042 2011 8 16 55789 0.1300 0.4195 -0.29055 2011 8 17 55790 0.1311 0.4191 -0.29073 2011 8 18 55791 0.1322 0.4186 -0.29087 2011 8 19 55792 0.1333 0.4182 -0.29092 2011 8 20 55793 0.1343 0.4177 -0.29091 2011 8 21 55794 0.1354 0.4173 -0.29081 2011 8 22 55795 0.1364 0.4168 -0.29056 2011 8 23 55796 0.1374 0.4163 -0.29018 2011 8 24 55797 0.1385 0.4157 -0.28975 2011 8 25 55798 0.1394 0.4152 -0.28943 2011 8 26 55799 0.1404 0.4147 -0.28932 2011 8 27 55800 0.1414 0.4141 -0.28946 2011 8 28 55801 0.1423 0.4135 -0.28983 2011 8 29 55802 0.1433 0.4129 -0.29043 2011 8 30 55803 0.1442 0.4123 -0.29123 2011 8 31 55804 0.1451 0.4117 -0.29211 2011 9 1 55805 0.1460 0.4111 -0.29288 2011 9 2 55806 0.1469 0.4104 -0.29343 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) 55422 -74.42 0.42 -9.25 0.11 55423 -74.86 0.27 -9.13 0.34 55424 -75.12 0.27 -9.13 0.34 55425 -75.00 0.74 -9.35 0.34 55426 -74.63 0.74 -9.65 0.34 55427 -74.34 0.74 -9.79 0.34 55428 -74.32 0.74 -9.73 0.34 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 55379 -67.5 -9.9 55380 -67.4 -9.9 55381 -67.2 -9.9 55382 -67.5 -10.0 55383 -68.2 -10.1 55384 -69.1 -10.1 55385 -69.7 -10.0 55386 -69.9 -9.8 55387 -69.8 -9.7 55388 -69.5 -9.9 55389 -69.2 -10.0 55390 -69.1 -10.0 55391 -69.3 -9.8 55392 -69.8 -9.6 55393 -70.4 -9.4 55394 -70.9 -9.3 55395 -71.2 -9.1 55396 -71.4 -9.1 55397 -71.4 -9.2 55398 -71.4 -9.4 55399 -71.4 -9.6 55400 -71.5 -9.8 55401 -71.6 -10.0 55402 -71.6 -9.9 55403 -71.5 -9.7 55404 -71.4 -9.4 55405 -71.3 -9.3 55406 -71.5 -9.3 55407 -71.8 -9.5 55408 -72.1 -9.7 55409 -72.3 -9.7 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55422 0.000 0.167 0.002 0.110 55423 0.003 0.107 -0.007 0.340 55424 0.005 0.107 0.027 0.340 55425 0.007 0.294 0.061 0.340 55426 0.021 0.294 0.046 0.340 55427 0.056 0.294 0.016 0.340 55428 0.091 0.294 0.004 0.340 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 55379 -0.05 -0.08 55380 0.04 -0.06 55381 0.16 -0.09 55382 0.15 -0.14 55383 0.10 -0.10 55384 0.01 -0.03 55385 -0.03 -0.07 55386 -0.04 -0.09 55387 -0.02 -0.06 55388 0.01 -0.11 55389 0.01 -0.06 55390 -0.05 -0.12 55391 -0.09 -0.17 55392 -0.12 -0.20 55393 -0.11 -0.13 55394 -0.09 -0.07 55395 -0.07 0.14 55396 -0.11 0.23 55397 -0.12 0.28 55398 -0.11 0.23 55399 -0.03 0.13 55400 0.01 0.01 55401 0.01 -0.14 55402 0.01 -0.08 55403 0.03 -0.06 55404 0.06 -0.02 55405 0.13 -0.09 55406 0.15 -0.06 55407 0.15 -0.11 55408 0.10 -0.19 55409 0.01 -0.13 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.