********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 7 October 2010 Vol. XXIII No. 040 ______________________________________________________________________ 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 1 55470 0.23429 .00009 0.36578 .00009 -0.060107 0.000021 10 10 2 55471 0.23405 .00009 0.36345 .00009 -0.060463 0.000024 10 10 3 55472 0.23405 .00009 0.36093 .00009 -0.061120 0.000028 10 10 4 55473 0.23400 .00009 0.35848 .00009 -0.062142 0.000029 10 10 5 55474 0.23425 .00009 0.35611 .00009 -0.063515 0.000029 10 10 6 55475 0.23479 .00009 0.35378 .00009 -0.065138 0.000030 10 10 7 55476 0.23503 .00009 0.35152 .00009 -0.066843 0.000030 IERS Final Values MJD x y UT1-UTC " " s 10 8 2 55410 0.1416 0.4656 -0.04929 10 8 3 55411 0.1438 0.4646 -0.04895 10 8 4 55412 0.1459 0.4637 -0.04857 10 8 5 55413 0.1477 0.4626 -0.04813 10 8 6 55414 0.1496 0.4614 -0.04768 10 8 7 55415 0.1517 0.4601 -0.04729 10 8 8 55416 0.1539 0.4590 -0.04705 10 8 9 55417 0.1562 0.4579 -0.04705 10 8 10 55418 0.1584 0.4568 -0.04735 10 8 11 55419 0.1611 0.4555 -0.04797 10 8 12 55420 0.1641 0.4544 -0.04871 10 8 13 55421 0.1666 0.4530 -0.04944 10 8 14 55422 0.1690 0.4515 -0.05006 10 8 15 55423 0.1713 0.4497 -0.05047 10 8 16 55424 0.1745 0.4481 -0.05063 10 8 17 55425 0.1777 0.4471 -0.05054 10 8 18 55426 0.1802 0.4461 -0.05025 10 8 19 55427 0.1825 0.4449 -0.04987 10 8 20 55428 0.1845 0.4431 -0.04947 10 8 21 55429 0.1867 0.4413 -0.04915 10 8 22 55430 0.1892 0.4393 -0.04895 10 8 23 55431 0.1920 0.4373 -0.04891 10 8 24 55432 0.1949 0.4358 -0.04904 10 8 25 55433 0.1973 0.4346 -0.04927 10 8 26 55434 0.1994 0.4333 -0.04960 10 8 27 55435 0.2011 0.4318 -0.05000 10 8 28 55436 0.2023 0.4300 -0.05035 10 8 29 55437 0.2034 0.4285 -0.05062 10 8 30 55438 0.2044 0.4272 -0.05081 10 8 31 55439 0.2057 0.4258 -0.05090 10 9 1 55440 0.2069 0.4247 -0.05090 _______________________________________________________________________ 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 = 0.0922 + 0.1268 cos A - 0.0359 sin A + 0.0126 cos C + 0.0512 sin C y = 0.3422 - 0.0370 cos A - 0.1107 sin A + 0.0512 cos C - 0.0126 sin C UT1-UTC = -0.0886 - 0.00079 (MJD - 55484) - (UT2-UT1) where A = 2*pi*(MJD-55476)/365.25 and C = 2*pi*(MJD-55476)/435. TAI-UTC(MJD 55477) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55476)**0.80 S t = 0.00025 (MJD-55476)**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 8 55477 0.2354 0.3494 -0.06843 2010 10 9 55478 0.2354 0.3472 -0.06979 2010 10 10 55479 0.2353 0.3451 -0.07089 2010 10 11 55480 0.2352 0.3430 -0.07173 2010 10 12 55481 0.2350 0.3410 -0.07238 2010 10 13 55482 0.2348 0.3389 -0.07294 2010 10 14 55483 0.2345 0.3369 -0.07351 2010 10 15 55484 0.2342 0.3349 -0.07417 2010 10 16 55485 0.2338 0.3329 -0.07493 2010 10 17 55486 0.2334 0.3309 -0.07584 2010 10 18 55487 0.2330 0.3289 -0.07690 2010 10 19 55488 0.2325 0.3269 -0.07808 2010 10 20 55489 0.2320 0.3249 -0.07931 2010 10 21 55490 0.2315 0.3230 -0.08051 2010 10 22 55491 0.2309 0.3210 -0.08160 2010 10 23 55492 0.2303 0.3191 -0.08254 2010 10 24 55493 0.2297 0.3171 -0.08332 2010 10 25 55494 0.2290 0.3152 -0.08395 2010 10 26 55495 0.2283 0.3133 -0.08445 2010 10 27 55496 0.2276 0.3114 -0.08487 2010 10 28 55497 0.2268 0.3095 -0.08529 2010 10 29 55498 0.2260 0.3077 -0.08581 2010 10 30 55499 0.2252 0.3058 -0.08650 2010 10 31 55500 0.2243 0.3040 -0.08743 2010 11 1 55501 0.2234 0.3021 -0.08858 2010 11 2 55502 0.2225 0.3003 -0.08993 2010 11 3 55503 0.2216 0.2985 -0.09136 2010 11 4 55504 0.2206 0.2967 -0.09276 2010 11 5 55505 0.2196 0.2949 -0.09399 2010 11 6 55506 0.2186 0.2932 -0.09500 2010 11 7 55507 0.2175 0.2915 -0.09579 2010 11 8 55508 0.2164 0.2897 -0.09639 2010 11 9 55509 0.2153 0.2880 -0.09691 2010 11 10 55510 0.2141 0.2863 -0.09742 2010 11 11 55511 0.2130 0.2847 -0.09800 2010 11 12 55512 0.2118 0.2830 -0.09869 2010 11 13 55513 0.2105 0.2814 -0.09949 2010 11 14 55514 0.2093 0.2798 -0.10041 2010 11 15 55515 0.2080 0.2782 -0.10141 2010 11 16 55516 0.2067 0.2766 -0.10247 2010 11 17 55517 0.2054 0.2751 -0.10354 2010 11 18 55518 0.2040 0.2736 -0.10457 2010 11 19 55519 0.2026 0.2721 -0.10551 2010 11 20 55520 0.2012 0.2706 -0.10634 2010 11 21 55521 0.1998 0.2691 -0.10704 2010 11 22 55522 0.1984 0.2677 -0.10762 2010 11 23 55523 0.1969 0.2663 -0.10812 2010 11 24 55524 0.1954 0.2649 -0.10863 2010 11 25 55525 0.1939 0.2635 -0.10921 2010 11 26 55526 0.1924 0.2622 -0.10994 2010 11 27 55527 0.1908 0.2608 -0.11087 2010 11 28 55528 0.1892 0.2595 -0.11201 2010 11 29 55529 0.1877 0.2583 -0.11331 2010 11 30 55530 0.1860 0.2570 -0.11468 2010 12 1 55531 0.1844 0.2558 -0.11602 2010 12 2 55532 0.1828 0.2546 -0.11722 2010 12 3 55533 0.1811 0.2534 -0.11820 2010 12 4 55534 0.1794 0.2523 -0.11896 2010 12 5 55535 0.1777 0.2512 -0.11951 2010 12 6 55536 0.1760 0.2501 -0.11994 2010 12 7 55537 0.1743 0.2490 -0.12032 2010 12 8 55538 0.1726 0.2480 -0.12074 2010 12 9 55539 0.1708 0.2470 -0.12124 2010 12 10 55540 0.1690 0.2460 -0.12185 2010 12 11 55541 0.1672 0.2450 -0.12256 2010 12 12 55542 0.1655 0.2441 -0.12336 2010 12 13 55543 0.1636 0.2432 -0.12419 2010 12 14 55544 0.1618 0.2423 -0.12504 2010 12 15 55545 0.1600 0.2415 -0.12585 2010 12 16 55546 0.1582 0.2407 -0.12659 2010 12 17 55547 0.1563 0.2399 -0.12722 2010 12 18 55548 0.1544 0.2391 -0.12774 2010 12 19 55549 0.1526 0.2384 -0.12815 2010 12 20 55550 0.1507 0.2377 -0.12849 2010 12 21 55551 0.1488 0.2370 -0.12881 2010 12 22 55552 0.1469 0.2364 -0.12920 2010 12 23 55553 0.1450 0.2358 -0.12975 2010 12 24 55554 0.1431 0.2352 -0.13052 2010 12 25 55555 0.1412 0.2346 -0.13152 2010 12 26 55556 0.1393 0.2341 -0.13271 2010 12 27 55557 0.1373 0.2336 -0.13399 2010 12 28 55558 0.1354 0.2332 -0.13526 2010 12 29 55559 0.1335 0.2327 -0.13640 2010 12 30 55560 0.1315 0.2323 -0.13735 2010 12 31 55561 0.1296 0.2320 -0.13809 2011 1 1 55562 0.1277 0.2316 -0.13863 2011 1 2 55563 0.1257 0.2313 -0.13904 2011 1 3 55564 0.1238 0.2310 -0.13939 2011 1 4 55565 0.1218 0.2308 -0.13976 2011 1 5 55566 0.1199 0.2305 -0.14021 2011 1 6 55567 0.1179 0.2303 -0.14077 2011 1 7 55568 0.1160 0.2302 -0.14145 2011 1 8 55569 0.1140 0.2300 -0.14223 2011 1 9 55570 0.1121 0.2299 -0.14309 2011 1 10 55571 0.1102 0.2299 -0.14398 2011 1 11 55572 0.1082 0.2298 -0.14485 2011 1 12 55573 0.1063 0.2298 -0.14565 2011 1 13 55574 0.1044 0.2298 -0.14637 2011 1 14 55575 0.1025 0.2298 -0.14698 2011 1 15 55576 0.1005 0.2299 -0.14749 2011 1 16 55577 0.0986 0.2300 -0.14791 2011 1 17 55578 0.0967 0.2302 -0.14830 2011 1 18 55579 0.0948 0.2303 -0.14873 2011 1 19 55580 0.0929 0.2305 -0.14930 2011 1 20 55581 0.0911 0.2307 -0.15009 2011 1 21 55582 0.0892 0.2310 -0.15113 2011 1 22 55583 0.0873 0.2312 -0.15239 2011 1 23 55584 0.0855 0.2315 -0.15380 2011 1 24 55585 0.0836 0.2319 -0.15514 2011 1 25 55586 0.0818 0.2322 -0.15637 2011 1 26 55587 0.0800 0.2326 -0.15739 2011 1 27 55588 0.0782 0.2330 -0.15817 2011 1 28 55589 0.0764 0.2335 -0.15874 2011 1 29 55590 0.0746 0.2340 -0.15916 2011 1 30 55591 0.0728 0.2345 -0.15950 2011 1 31 55592 0.0710 0.2350 -0.15986 2011 2 1 55593 0.0693 0.2355 -0.16029 2011 2 2 55594 0.0675 0.2361 -0.16083 2011 2 3 55595 0.0658 0.2367 -0.16150 2011 2 4 55596 0.0641 0.2373 -0.16230 2011 2 5 55597 0.0624 0.2380 -0.16318 2011 2 6 55598 0.0607 0.2387 -0.16411 2011 2 7 55599 0.0591 0.2394 -0.16505 2011 2 8 55600 0.0574 0.2401 -0.16593 2011 2 9 55601 0.0558 0.2409 -0.16674 2011 2 10 55602 0.0542 0.2417 -0.16745 2011 2 11 55603 0.0526 0.2425 -0.16806 2011 2 12 55604 0.0510 0.2433 -0.16857 2011 2 13 55605 0.0495 0.2442 -0.16905 2011 2 14 55606 0.0479 0.2450 -0.16955 2011 2 15 55607 0.0464 0.2459 -0.17015 2011 2 16 55608 0.0449 0.2469 -0.17095 2011 2 17 55609 0.0434 0.2478 -0.17202 2011 2 18 55610 0.0420 0.2488 -0.17337 2011 2 19 55611 0.0405 0.2498 -0.17494 2011 2 20 55612 0.0391 0.2508 -0.17661 2011 2 21 55613 0.0377 0.2518 -0.17822 2011 2 22 55614 0.0363 0.2529 -0.17966 2011 2 23 55615 0.0350 0.2539 -0.18085 2011 2 24 55616 0.0337 0.2550 -0.18180 2011 2 25 55617 0.0323 0.2561 -0.18256 2011 2 26 55618 0.0311 0.2573 -0.18322 2011 2 27 55619 0.0298 0.2584 -0.18388 2011 2 28 55620 0.0286 0.2596 -0.18459 2011 3 1 55621 0.0273 0.2608 -0.18540 2011 3 2 55622 0.0261 0.2620 -0.18635 2011 3 3 55623 0.0250 0.2632 -0.18742 2011 3 4 55624 0.0238 0.2645 -0.18859 2011 3 5 55625 0.0227 0.2657 -0.18982 2011 3 6 55626 0.0216 0.2670 -0.19108 2011 3 7 55627 0.0205 0.2683 -0.19230 2011 3 8 55628 0.0195 0.2696 -0.19345 2011 3 9 55629 0.0185 0.2709 -0.19450 2011 3 10 55630 0.0175 0.2723 -0.19544 2011 3 11 55631 0.0165 0.2736 -0.19629 2011 3 12 55632 0.0156 0.2750 -0.19707 2011 3 13 55633 0.0147 0.2764 -0.19784 2011 3 14 55634 0.0138 0.2778 -0.19867 2011 3 15 55635 0.0129 0.2792 -0.19966 2011 3 16 55636 0.0121 0.2806 -0.20087 2011 3 17 55637 0.0113 0.2820 -0.20236 2011 3 18 55638 0.0105 0.2835 -0.20410 2011 3 19 55639 0.0097 0.2849 -0.20603 2011 3 20 55640 0.0090 0.2864 -0.20799 2011 3 21 55641 0.0083 0.2879 -0.20983 2011 3 22 55642 0.0077 0.2894 -0.21145 2011 3 23 55643 0.0070 0.2909 -0.21280 2011 3 24 55644 0.0064 0.2924 -0.21392 2011 3 25 55645 0.0058 0.2939 -0.21489 2011 3 26 55646 0.0052 0.2954 -0.21580 2011 3 27 55647 0.0047 0.2969 -0.21674 2011 3 28 55648 0.0042 0.2985 -0.21775 2011 3 29 55649 0.0037 0.3000 -0.21887 2011 3 30 55650 0.0033 0.3016 -0.22009 2011 3 31 55651 0.0029 0.3031 -0.22139 2011 4 1 55652 0.0025 0.3047 -0.22276 2011 4 2 55653 0.0021 0.3063 -0.22414 2011 4 3 55654 0.0018 0.3078 -0.22549 2011 4 4 55655 0.0015 0.3094 -0.22676 2011 4 5 55656 0.0012 0.3110 -0.22792 2011 4 6 55657 0.0010 0.3126 -0.22897 2011 4 7 55658 0.0007 0.3142 -0.22991 2011 4 8 55659 0.0006 0.3158 -0.23075 2011 4 9 55660 0.0004 0.3174 -0.23156 2011 4 10 55661 0.0003 0.3190 -0.23239 2011 4 11 55662 0.0002 0.3205 -0.23332 2011 4 12 55663 0.0001 0.3221 -0.23444 2011 4 13 55664 0.0000 0.3237 -0.23580 2011 4 14 55665 0.0000 0.3253 -0.23743 2011 4 15 55666 0.0000 0.3269 -0.23929 2011 4 16 55667 0.0000 0.3285 -0.24128 2011 4 17 55668 0.0001 0.3301 -0.24327 2011 4 18 55669 0.0002 0.3317 -0.24510 2011 4 19 55670 0.0003 0.3333 -0.24670 2011 4 20 55671 0.0005 0.3349 -0.24803 2011 4 21 55672 0.0006 0.3365 -0.24916 2011 4 22 55673 0.0008 0.3381 -0.25016 2011 4 23 55674 0.0011 0.3397 -0.25114 2011 4 24 55675 0.0013 0.3412 -0.25216 2011 4 25 55676 0.0016 0.3428 -0.25326 2011 4 26 55677 0.0019 0.3444 -0.25443 2011 4 27 55678 0.0022 0.3459 -0.25566 2011 4 28 55679 0.0026 0.3475 -0.25689 2011 4 29 55680 0.0030 0.3490 -0.25811 2011 4 30 55681 0.0034 0.3506 -0.25925 2011 5 1 55682 0.0038 0.3521 -0.26028 2011 5 2 55683 0.0043 0.3536 -0.26118 2011 5 3 55684 0.0048 0.3552 -0.26192 2011 5 4 55685 0.0053 0.3567 -0.26252 2011 5 5 55686 0.0058 0.3582 -0.26298 2011 5 6 55687 0.0064 0.3597 -0.26333 2011 5 7 55688 0.0070 0.3612 -0.26362 2011 5 8 55689 0.0076 0.3626 -0.26391 2011 5 9 55690 0.0082 0.3641 -0.26429 2011 5 10 55691 0.0089 0.3656 -0.26482 2011 5 11 55692 0.0096 0.3670 -0.26558 2011 5 12 55693 0.0103 0.3684 -0.26655 2011 5 13 55694 0.0110 0.3699 -0.26767 2011 5 14 55695 0.0117 0.3713 -0.26883 2011 5 15 55696 0.0125 0.3727 -0.26989 2011 5 16 55697 0.0133 0.3741 -0.27071 2011 5 17 55698 0.0141 0.3754 -0.27124 2011 5 18 55699 0.0150 0.3768 -0.27153 2011 5 19 55700 0.0158 0.3781 -0.27174 2011 5 20 55701 0.0167 0.3795 -0.27203 2011 5 21 55702 0.0176 0.3808 -0.27240 2011 5 22 55703 0.0185 0.3821 -0.27292 2011 5 23 55704 0.0195 0.3834 -0.27362 2011 5 24 55705 0.0204 0.3847 -0.27432 2011 5 25 55706 0.0214 0.3859 -0.27502 2011 5 26 55707 0.0224 0.3872 -0.27579 2011 5 27 55708 0.0234 0.3884 -0.27653 2011 5 28 55709 0.0245 0.3896 -0.27724 2011 5 29 55710 0.0255 0.3908 -0.27784 2011 5 30 55711 0.0266 0.3920 -0.27831 2011 5 31 55712 0.0277 0.3932 -0.27869 2011 6 1 55713 0.0288 0.3943 -0.27897 2011 6 2 55714 0.0299 0.3955 -0.27915 2011 6 3 55715 0.0310 0.3966 -0.27930 2011 6 4 55716 0.0322 0.3977 -0.27953 2011 6 5 55717 0.0334 0.3988 -0.27988 2011 6 6 55718 0.0345 0.3998 -0.28040 2011 6 7 55719 0.0357 0.4009 -0.28118 2011 6 8 55720 0.0370 0.4019 -0.28217 2011 6 9 55721 0.0382 0.4029 -0.28327 2011 6 10 55722 0.0394 0.4039 -0.28439 2011 6 11 55723 0.0407 0.4048 -0.28540 2011 6 12 55724 0.0419 0.4058 -0.28622 2011 6 13 55725 0.0432 0.4067 -0.28674 2011 6 14 55726 0.0445 0.4076 -0.28701 2011 6 15 55727 0.0458 0.4085 -0.28706 2011 6 16 55728 0.0471 0.4094 -0.28701 2011 6 17 55729 0.0485 0.4102 -0.28693 2011 6 18 55730 0.0498 0.4111 -0.28690 2011 6 19 55731 0.0511 0.4119 -0.28698 2011 6 20 55732 0.0525 0.4127 -0.28718 2011 6 21 55733 0.0539 0.4134 -0.28753 2011 6 22 55734 0.0552 0.4142 -0.28798 2011 6 23 55735 0.0566 0.4149 -0.28846 2011 6 24 55736 0.0580 0.4156 -0.28889 2011 6 25 55737 0.0594 0.4163 -0.28924 2011 6 26 55738 0.0608 0.4170 -0.28949 2011 6 27 55739 0.0622 0.4176 -0.28957 2011 6 28 55740 0.0636 0.4182 -0.28949 2011 6 29 55741 0.0650 0.4188 -0.28926 2011 6 30 55742 0.0665 0.4194 -0.28889 2011 7 1 55743 0.0679 0.4200 -0.28853 2011 7 2 55744 0.0693 0.4205 -0.28829 2011 7 3 55745 0.0708 0.4210 -0.28818 2011 7 4 55746 0.0722 0.4215 -0.28827 2011 7 5 55747 0.0737 0.4220 -0.28859 2011 7 6 55748 0.0751 0.4224 -0.28907 2011 7 7 55749 0.0766 0.4228 -0.28956 2011 7 8 55750 0.0780 0.4232 -0.28994 2011 7 9 55751 0.0795 0.4236 -0.29013 2011 7 10 55752 0.0809 0.4240 -0.29005 2011 7 11 55753 0.0824 0.4243 -0.28978 2011 7 12 55754 0.0839 0.4246 -0.28940 2011 7 13 55755 0.0853 0.4249 -0.28893 2011 7 14 55756 0.0868 0.4252 -0.28840 2011 7 15 55757 0.0882 0.4255 -0.28792 2011 7 16 55758 0.0897 0.4257 -0.28752 2011 7 17 55759 0.0911 0.4259 -0.28725 2011 7 18 55760 0.0926 0.4261 -0.28713 2011 7 19 55761 0.0940 0.4262 -0.28705 2011 7 20 55762 0.0955 0.4264 -0.28699 2011 7 21 55763 0.0969 0.4265 -0.28690 2011 7 22 55764 0.0984 0.4266 -0.28679 2011 7 23 55765 0.0998 0.4267 -0.28656 2011 7 24 55766 0.1013 0.4267 -0.28619 2011 7 25 55767 0.1027 0.4268 -0.28570 2011 7 26 55768 0.1041 0.4268 -0.28509 2011 7 27 55769 0.1055 0.4268 -0.28437 2011 7 28 55770 0.1069 0.4267 -0.28368 2011 7 29 55771 0.1084 0.4267 -0.28306 2011 7 30 55772 0.1098 0.4266 -0.28262 2011 7 31 55773 0.1112 0.4265 -0.28243 2011 8 1 55774 0.1125 0.4264 -0.28252 2011 8 2 55775 0.1139 0.4263 -0.28289 2011 8 3 55776 0.1153 0.4261 -0.28340 2011 8 4 55777 0.1167 0.4260 -0.28391 2011 8 5 55778 0.1180 0.4258 -0.28430 2011 8 6 55779 0.1194 0.4256 -0.28453 2011 8 7 55780 0.1207 0.4253 -0.28466 2011 8 8 55781 0.1220 0.4251 -0.28465 2011 8 9 55782 0.1233 0.4248 -0.28456 2011 8 10 55783 0.1246 0.4245 -0.28443 2011 8 11 55784 0.1259 0.4242 -0.28434 2011 8 12 55785 0.1272 0.4239 -0.28435 2011 8 13 55786 0.1285 0.4235 -0.28450 2011 8 14 55787 0.1298 0.4232 -0.28475 2011 8 15 55788 0.1310 0.4228 -0.28503 2011 8 16 55789 0.1323 0.4224 -0.28528 2011 8 17 55790 0.1335 0.4220 -0.28546 2011 8 18 55791 0.1347 0.4215 -0.28550 2011 8 19 55792 0.1359 0.4211 -0.28543 2011 8 20 55793 0.1371 0.4206 -0.28527 2011 8 21 55794 0.1383 0.4201 -0.28503 2011 8 22 55795 0.1394 0.4196 -0.28471 2011 8 23 55796 0.1406 0.4191 -0.28428 2011 8 24 55797 0.1417 0.4185 -0.28389 2011 8 25 55798 0.1428 0.4180 -0.28361 2011 8 26 55799 0.1439 0.4174 -0.28355 2011 8 27 55800 0.1450 0.4168 -0.28370 2011 8 28 55801 0.1461 0.4162 -0.28411 2011 8 29 55802 0.1472 0.4156 -0.28473 2011 8 30 55803 0.1482 0.4150 -0.28554 2011 8 31 55804 0.1492 0.4143 -0.28643 2011 9 1 55805 0.1502 0.4137 -0.28724 2011 9 2 55806 0.1512 0.4130 -0.28788 2011 9 3 55807 0.1522 0.4123 -0.28828 2011 9 4 55808 0.1532 0.4116 -0.28844 2011 9 5 55809 0.1541 0.4109 -0.28847 2011 9 6 55810 0.1550 0.4102 -0.28848 2011 9 7 55811 0.1560 0.4094 -0.28851 2011 9 8 55812 0.1569 0.4087 -0.28856 2011 9 9 55813 0.1577 0.4079 -0.28865 2011 9 10 55814 0.1586 0.4071 -0.28883 2011 9 11 55815 0.1594 0.4063 -0.28915 2011 9 12 55816 0.1603 0.4055 -0.28951 2011 9 13 55817 0.1611 0.4047 -0.28984 2011 9 14 55818 0.1618 0.4039 -0.29011 2011 9 15 55819 0.1626 0.4031 -0.29027 2011 9 16 55820 0.1634 0.4022 -0.29034 2011 9 17 55821 0.1641 0.4014 -0.29034 2011 9 18 55822 0.1648 0.4005 -0.29025 2011 9 19 55823 0.1655 0.3996 -0.29007 2011 9 20 55824 0.1662 0.3988 -0.28987 2011 9 21 55825 0.1668 0.3979 -0.28979 2011 9 22 55826 0.1675 0.3970 -0.28992 2011 9 23 55827 0.1681 0.3961 -0.29030 2011 9 24 55828 0.1687 0.3951 -0.29097 2011 9 25 55829 0.1693 0.3942 -0.29187 2011 9 26 55830 0.1698 0.3933 -0.29295 2011 9 27 55831 0.1704 0.3924 -0.29413 2011 9 28 55832 0.1709 0.3914 -0.29528 2011 9 29 55833 0.1714 0.3905 -0.29631 2011 9 30 55834 0.1719 0.3895 -0.29711 2011 10 1 55835 0.1723 0.3885 -0.29770 2011 10 2 55836 0.1728 0.3876 -0.29816 2011 10 3 55837 0.1732 0.3866 -0.29856 2011 10 4 55838 0.1736 0.3856 -0.29897 2011 10 5 55839 0.1740 0.3846 -0.29945 2011 10 6 55840 0.1743 0.3837 -0.30001 2011 10 7 55841 0.1747 0.3827 -0.30073 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) 55457 -75.09 0.66 -9.23 0.14 55458 -75.11 0.22 -9.05 0.34 55459 -74.98 0.22 -8.93 0.34 55460 -74.83 0.12 -8.80 0.34 55461 -74.79 0.18 -8.69 0.11 55462 -74.88 0.18 -8.73 0.11 55463 -75.05 0.18 -8.95 0.11 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 55410 -72.4 -9.8 55411 -72.7 -9.9 55412 -73.3 -10.0 55413 -73.8 -10.0 55414 -73.9 -9.7 55415 -73.8 -9.7 55416 -73.6 -9.9 55417 -73.3 -10.1 55418 -73.1 -10.0 55419 -73.0 -9.7 55420 -73.1 -9.4 55421 -73.4 -9.3 55422 -73.9 -9.1 55423 -74.6 -9.0 55424 -75.0 -9.1 55425 -74.8 -9.4 55426 -74.3 -9.7 55427 -74.0 -9.8 55428 -74.0 -9.7 55429 -74.4 -9.6 55430 -74.6 -9.5 55431 -74.6 -9.3 55432 -74.4 -9.1 55433 -74.3 -9.0 55434 -74.4 -9.1 55435 -74.7 -9.4 55436 -74.9 -9.6 55437 -74.8 -9.8 55438 -74.6 -9.8 55439 -74.7 -9.9 55440 -75.0 -10.0 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55457 0.050 0.263 -0.051 0.140 55458 0.049 0.088 -0.027 0.340 55459 0.044 0.088 -0.014 0.340 55460 0.030 0.048 -0.012 0.340 55461 0.007 0.072 -0.012 0.110 55462 -0.012 0.072 -0.023 0.110 55463 -0.015 0.072 -0.046 0.110 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 55410 -0.01 -0.13 55411 0.02 -0.05 55412 0.03 0.01 55413 0.04 -0.02 55414 0.08 0.12 55415 0.04 0.04 55416 -0.03 -0.05 55417 -0.07 -0.15 55418 -0.05 -0.16 55419 0.06 -0.10 55420 0.19 0.04 55421 0.24 0.06 55422 0.21 0.15 55423 0.11 0.12 55424 0.05 0.06 55425 0.09 0.01 55426 0.15 0.00 55427 0.19 0.01 55428 0.22 0.03 55429 0.13 0.01 55430 0.07 -0.02 55431 0.04 0.01 55432 0.07 -0.04 55433 0.10 -0.13 55434 0.13 -0.22 55435 0.11 -0.30 55436 0.10 -0.25 55437 0.13 -0.31 55438 0.17 -0.24 55439 0.17 -0.24 55440 0.19 -0.20 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.