********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 22 July 2010 Vol. XXIII No. 029 ______________________________________________________________________ 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 ********************************************************************** * There will NOT be a leap second introduced * * in UTC on 31 December 2010. * ********************************************************************** ________________________________________________________________________ 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 7 16 55393 0.10230 .00010 0.48336 .00009 -0.054101 0.000024 10 7 17 55394 0.10423 .00010 0.48274 .00009 -0.054404 0.000031 10 7 18 55395 0.10656 .00010 0.48170 .00009 -0.054593 0.000032 10 7 19 55396 0.10940 .00010 0.48052 .00009 -0.054642 0.000030 10 7 20 55397 0.11213 .00010 0.47942 .00009 -0.054453 0.000030 10 7 21 55398 0.11461 .00010 0.47856 .00009 -0.054020 0.000031 10 7 22 55399 0.11692 .00010 0.47790 .00009 -0.053391 0.000028 IERS Final Values MJD x y UT1-UTC " " s 10 5 2 55318 -0.0703 0.3915 -0.02383 10 5 3 55319 -0.0696 0.3935 -0.02439 10 5 4 55320 -0.0684 0.3955 -0.02491 10 5 5 55321 -0.0667 0.3975 -0.02547 10 5 6 55322 -0.0649 0.3999 -0.02611 10 5 7 55323 -0.0630 0.4025 -0.02684 10 5 8 55324 -0.0605 0.4053 -0.02771 10 5 9 55325 -0.0589 0.4082 -0.02876 10 5 10 55326 -0.0579 0.4107 -0.02992 10 5 11 55327 -0.0566 0.4132 -0.03115 10 5 12 55328 -0.0556 0.4154 -0.03235 10 5 13 55329 -0.0545 0.4176 -0.03342 10 5 14 55330 -0.0534 0.4195 -0.03430 10 5 15 55331 -0.0519 0.4216 -0.03500 10 5 16 55332 -0.0506 0.4235 -0.03566 10 5 17 55333 -0.0491 0.4251 -0.03635 10 5 18 55334 -0.0475 0.4264 -0.03716 10 5 19 55335 -0.0454 0.4278 -0.03822 10 5 20 55336 -0.0435 0.4297 -0.03952 10 5 21 55337 -0.0416 0.4315 -0.04102 10 5 22 55338 -0.0395 0.4335 -0.04268 10 5 23 55339 -0.0375 0.4356 -0.04438 10 5 24 55340 -0.0357 0.4376 -0.04593 10 5 25 55341 -0.0341 0.4397 -0.04724 10 5 26 55342 -0.0326 0.4418 -0.04827 10 5 27 55343 -0.0314 0.4438 -0.04910 10 5 28 55344 -0.0305 0.4455 -0.04980 10 5 29 55345 -0.0290 0.4467 -0.05036 10 5 30 55346 -0.0274 0.4482 -0.05076 10 5 31 55347 -0.0260 0.4501 -0.05113 10 6 1 55348 -0.0241 0.4520 -0.05159 _______________________________________________________________________ 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 = 0.0976 + 0.0786 cos A + 0.0749 sin A - 0.0663 cos C + 0.0642 sin C y = 0.3435 + 0.0667 cos A - 0.0709 sin A + 0.0642 cos C + 0.0663 sin C UT1-UTC = -0.0477 - 0.00083 (MJD - 55407) - (UT2-UT1) where A = 2*pi*(MJD-55399)/365.25 and C = 2*pi*(MJD-55399)/435. TAI-UTC(MJD 55400) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55399)**0.80 S t = 0.00025 (MJD-55399)**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 7 23 55400 0.1191 0.4773 -0.05264 2010 7 24 55401 0.1213 0.4767 -0.05186 2010 7 25 55402 0.1234 0.4762 -0.05115 2010 7 26 55403 0.1254 0.4756 -0.05058 2010 7 27 55404 0.1275 0.4750 -0.05016 2010 7 28 55405 0.1295 0.4744 -0.04989 2010 7 29 55406 0.1315 0.4738 -0.04973 2010 7 30 55407 0.1335 0.4732 -0.04962 2010 7 31 55408 0.1355 0.4725 -0.04951 2010 8 1 55409 0.1374 0.4718 -0.04937 2010 8 2 55410 0.1394 0.4711 -0.04912 2010 8 3 55411 0.1413 0.4703 -0.04876 2010 8 4 55412 0.1432 0.4695 -0.04832 2010 8 5 55413 0.1451 0.4687 -0.04784 2010 8 6 55414 0.1470 0.4679 -0.04731 2010 8 7 55415 0.1488 0.4670 -0.04679 2010 8 8 55416 0.1506 0.4661 -0.04640 2010 8 9 55417 0.1524 0.4652 -0.04625 2010 8 10 55418 0.1542 0.4642 -0.04638 2010 8 11 55419 0.1560 0.4633 -0.04678 2010 8 12 55420 0.1577 0.4622 -0.04734 2010 8 13 55421 0.1595 0.4612 -0.04791 2010 8 14 55422 0.1612 0.4601 -0.04836 2010 8 15 55423 0.1629 0.4591 -0.04858 2010 8 16 55424 0.1645 0.4579 -0.04853 2010 8 17 55425 0.1661 0.4568 -0.04825 2010 8 18 55426 0.1678 0.4556 -0.04782 2010 8 19 55427 0.1693 0.4544 -0.04731 2010 8 20 55428 0.1709 0.4532 -0.04682 2010 8 21 55429 0.1724 0.4520 -0.04642 2010 8 22 55430 0.1740 0.4507 -0.04614 2010 8 23 55431 0.1754 0.4495 -0.04603 2010 8 24 55432 0.1769 0.4481 -0.04609 2010 8 25 55433 0.1783 0.4468 -0.04628 2010 8 26 55434 0.1797 0.4455 -0.04657 2010 8 27 55435 0.1811 0.4441 -0.04691 2010 8 28 55436 0.1825 0.4427 -0.04724 2010 8 29 55437 0.1838 0.4413 -0.04754 2010 8 30 55438 0.1851 0.4398 -0.04776 2010 8 31 55439 0.1864 0.4384 -0.04790 2010 9 1 55440 0.1876 0.4369 -0.04796 2010 9 2 55441 0.1888 0.4354 -0.04799 2010 9 3 55442 0.1900 0.4339 -0.04805 2010 9 4 55443 0.1912 0.4324 -0.04823 2010 9 5 55444 0.1923 0.4308 -0.04863 2010 9 6 55445 0.1934 0.4293 -0.04932 2010 9 7 55446 0.1944 0.4277 -0.05031 2010 9 8 55447 0.1955 0.4261 -0.05155 2010 9 9 55448 0.1965 0.4245 -0.05290 2010 9 10 55449 0.1974 0.4229 -0.05420 2010 9 11 55450 0.1984 0.4212 -0.05529 2010 9 12 55451 0.1993 0.4196 -0.05611 2010 9 13 55452 0.2002 0.4179 -0.05667 2010 9 14 55453 0.2010 0.4162 -0.05703 2010 9 15 55454 0.2019 0.4145 -0.05730 2010 9 16 55455 0.2026 0.4128 -0.05756 2010 9 17 55456 0.2034 0.4111 -0.05789 2010 9 18 55457 0.2041 0.4093 -0.05833 2010 9 19 55458 0.2048 0.4076 -0.05890 2010 9 20 55459 0.2055 0.4058 -0.05963 2010 9 21 55460 0.2061 0.4041 -0.06048 2010 9 22 55461 0.2067 0.4023 -0.06143 2010 9 23 55462 0.2073 0.4005 -0.06242 2010 9 24 55463 0.2078 0.3987 -0.06340 2010 9 25 55464 0.2083 0.3969 -0.06433 2010 9 26 55465 0.2088 0.3951 -0.06516 2010 9 27 55466 0.2092 0.3933 -0.06588 2010 9 28 55467 0.2096 0.3915 -0.06649 2010 9 29 55468 0.2100 0.3897 -0.06702 2010 9 30 55469 0.2103 0.3878 -0.06753 2010 10 1 55470 0.2106 0.3860 -0.06810 2010 10 2 55471 0.2109 0.3842 -0.06881 2010 10 3 55472 0.2111 0.3823 -0.06973 2010 10 4 55473 0.2113 0.3805 -0.07093 2010 10 5 55474 0.2115 0.3786 -0.07238 2010 10 6 55475 0.2117 0.3768 -0.07400 2010 10 7 55476 0.2118 0.3749 -0.07564 2010 10 8 55477 0.2119 0.3731 -0.07718 2010 10 9 55478 0.2119 0.3712 -0.07849 2010 10 10 55479 0.2119 0.3694 -0.07954 2010 10 11 55480 0.2119 0.3675 -0.08035 2010 10 12 55481 0.2118 0.3657 -0.08102 2010 10 13 55482 0.2118 0.3638 -0.08163 2010 10 14 55483 0.2117 0.3620 -0.08227 2010 10 15 55484 0.2115 0.3601 -0.08301 2010 10 16 55485 0.2113 0.3583 -0.08386 2010 10 17 55486 0.2111 0.3564 -0.08485 2010 10 18 55487 0.2109 0.3546 -0.08596 2010 10 19 55488 0.2106 0.3527 -0.08716 2010 10 20 55489 0.2103 0.3509 -0.08842 2010 10 21 55490 0.2100 0.3491 -0.08968 2010 10 22 55491 0.2096 0.3473 -0.09089 2010 10 23 55492 0.2092 0.3455 -0.09201 2010 10 24 55493 0.2088 0.3436 -0.09301 2010 10 25 55494 0.2084 0.3418 -0.09389 2010 10 26 55495 0.2079 0.3401 -0.09469 2010 10 27 55496 0.2074 0.3383 -0.09544 2010 10 28 55497 0.2068 0.3365 -0.09622 2010 10 29 55498 0.2062 0.3347 -0.09711 2010 10 30 55499 0.2056 0.3330 -0.09819 2010 10 31 55500 0.2050 0.3312 -0.09949 2010 11 1 55501 0.2044 0.3295 -0.10103 2010 11 2 55502 0.2037 0.3278 -0.10274 2010 11 3 55503 0.2030 0.3260 -0.10453 2010 11 4 55504 0.2022 0.3243 -0.10627 2010 11 5 55505 0.2015 0.3226 -0.10783 2010 11 6 55506 0.2007 0.3210 -0.10916 2010 11 7 55507 0.1998 0.3193 -0.11024 2010 11 8 55508 0.1990 0.3176 -0.11108 2010 11 9 55509 0.1981 0.3160 -0.11183 2010 11 10 55510 0.1972 0.3144 -0.11255 2010 11 11 55511 0.1963 0.3128 -0.11334 2010 11 12 55512 0.1954 0.3112 -0.11423 2010 11 13 55513 0.1944 0.3096 -0.11523 2010 11 14 55514 0.1934 0.3080 -0.11633 2010 11 15 55515 0.1924 0.3065 -0.11751 2010 11 16 55516 0.1913 0.3049 -0.11873 2010 11 17 55517 0.1902 0.3034 -0.11996 2010 11 18 55518 0.1892 0.3019 -0.12113 2010 11 19 55519 0.1880 0.3004 -0.12222 2010 11 20 55520 0.1869 0.2990 -0.12319 2010 11 21 55521 0.1857 0.2975 -0.12402 2010 11 22 55522 0.1846 0.2961 -0.12475 2010 11 23 55523 0.1834 0.2947 -0.12541 2010 11 24 55524 0.1821 0.2933 -0.12606 2010 11 25 55525 0.1809 0.2919 -0.12680 2010 11 26 55526 0.1796 0.2906 -0.12770 2010 11 27 55527 0.1784 0.2892 -0.12880 2010 11 28 55528 0.1771 0.2879 -0.13010 2010 11 29 55529 0.1757 0.2866 -0.13157 2010 11 30 55530 0.1744 0.2854 -0.13311 2010 12 1 55531 0.1730 0.2841 -0.13463 2010 12 2 55532 0.1717 0.2829 -0.13601 2010 12 3 55533 0.1703 0.2817 -0.13718 2010 12 4 55534 0.1689 0.2805 -0.13812 2010 12 5 55535 0.1674 0.2793 -0.13887 2010 12 6 55536 0.1660 0.2782 -0.13949 2010 12 7 55537 0.1646 0.2771 -0.14006 2010 12 8 55538 0.1631 0.2760 -0.14067 2010 12 9 55539 0.1616 0.2749 -0.14137 2010 12 10 55540 0.1601 0.2739 -0.14217 2010 12 11 55541 0.1586 0.2729 -0.14309 2010 12 12 55542 0.1571 0.2719 -0.14408 2010 12 13 55543 0.1555 0.2709 -0.14513 2010 12 14 55544 0.1540 0.2699 -0.14618 2010 12 15 55545 0.1524 0.2690 -0.14719 2010 12 16 55546 0.1509 0.2681 -0.14813 2010 12 17 55547 0.1493 0.2672 -0.14896 2010 12 18 55548 0.1477 0.2664 -0.14966 2010 12 19 55549 0.1461 0.2656 -0.15025 2010 12 20 55550 0.1445 0.2648 -0.15076 2010 12 21 55551 0.1429 0.2640 -0.15124 2010 12 22 55552 0.1412 0.2633 -0.15179 2010 12 23 55553 0.1396 0.2625 -0.15249 2010 12 24 55554 0.1380 0.2618 -0.15340 2010 12 25 55555 0.1363 0.2612 -0.15452 2010 12 26 55556 0.1347 0.2605 -0.15582 2010 12 27 55557 0.1330 0.2599 -0.15720 2010 12 28 55558 0.1313 0.2593 -0.15854 2010 12 29 55559 0.1297 0.2587 -0.15976 2010 12 30 55560 0.1280 0.2582 -0.16077 2010 12 31 55561 0.1263 0.2577 -0.16156 2011 1 1 55562 0.1246 0.2572 -0.16215 2011 1 2 55563 0.1230 0.2567 -0.16260 2011 1 3 55564 0.1213 0.2563 -0.16299 2011 1 4 55565 0.1196 0.2559 -0.16340 2011 1 5 55566 0.1179 0.2555 -0.16389 2011 1 6 55567 0.1162 0.2552 -0.16449 2011 1 7 55568 0.1145 0.2548 -0.16522 2011 1 8 55569 0.1128 0.2546 -0.16604 2011 1 9 55570 0.1111 0.2543 -0.16692 2011 1 10 55571 0.1094 0.2540 -0.16782 2011 1 11 55572 0.1078 0.2538 -0.16870 2011 1 12 55573 0.1061 0.2536 -0.16952 2011 1 13 55574 0.1044 0.2535 -0.17023 2011 1 14 55575 0.1027 0.2533 -0.17084 2011 1 15 55576 0.1010 0.2532 -0.17133 2011 1 16 55577 0.0993 0.2531 -0.17173 2011 1 17 55578 0.0977 0.2530 -0.17210 2011 1 18 55579 0.0960 0.2530 -0.17251 2011 1 19 55580 0.0944 0.2530 -0.17306 2011 1 20 55581 0.0927 0.2530 -0.17382 2011 1 21 55582 0.0910 0.2531 -0.17484 2011 1 22 55583 0.0894 0.2531 -0.17609 2011 1 23 55584 0.0878 0.2532 -0.17748 2011 1 24 55585 0.0861 0.2534 -0.17889 2011 1 25 55586 0.0845 0.2535 -0.18018 2011 1 26 55587 0.0829 0.2537 -0.18129 2011 1 27 55588 0.0813 0.2539 -0.18216 2011 1 28 55589 0.0797 0.2541 -0.18284 2011 1 29 55590 0.0781 0.2543 -0.18339 2011 1 30 55591 0.0765 0.2546 -0.18390 2011 1 31 55592 0.0750 0.2549 -0.18445 2011 2 1 55593 0.0734 0.2552 -0.18510 2011 2 2 55594 0.0719 0.2556 -0.18589 2011 2 3 55595 0.0704 0.2560 -0.18683 2011 2 4 55596 0.0688 0.2564 -0.18789 2011 2 5 55597 0.0673 0.2568 -0.18903 2011 2 6 55598 0.0658 0.2572 -0.19021 2011 2 7 55599 0.0643 0.2577 -0.19135 2011 2 8 55600 0.0629 0.2582 -0.19243 2011 2 9 55601 0.0614 0.2587 -0.19339 2011 2 10 55602 0.0600 0.2592 -0.19423 2011 2 11 55603 0.0585 0.2598 -0.19492 2011 2 12 55604 0.0571 0.2604 -0.19551 2011 2 13 55605 0.0557 0.2610 -0.19602 2011 2 14 55606 0.0544 0.2616 -0.19654 2011 2 15 55607 0.0530 0.2622 -0.19716 2011 2 16 55608 0.0516 0.2629 -0.19797 2011 2 17 55609 0.0503 0.2636 -0.19905 2011 2 18 55610 0.0490 0.2643 -0.20041 2011 2 19 55611 0.0477 0.2650 -0.20200 2011 2 20 55612 0.0464 0.2658 -0.20367 2011 2 21 55613 0.0451 0.2665 -0.20528 2011 2 22 55614 0.0439 0.2673 -0.20668 2011 2 23 55615 0.0427 0.2681 -0.20780 2011 2 24 55616 0.0415 0.2690 -0.20864 2011 2 25 55617 0.0403 0.2698 -0.20928 2011 2 26 55618 0.0391 0.2707 -0.20981 2011 2 27 55619 0.0380 0.2716 -0.21035 2011 2 28 55620 0.0368 0.2725 -0.21099 2011 3 1 55621 0.0357 0.2734 -0.21180 2011 3 2 55622 0.0346 0.2743 -0.21281 2011 3 3 55623 0.0335 0.2753 -0.21398 2011 3 4 55624 0.0325 0.2763 -0.21527 2011 3 5 55625 0.0315 0.2772 -0.21668 2011 3 6 55626 0.0305 0.2783 -0.21819 2011 3 7 55627 0.0295 0.2793 -0.21970 2011 3 8 55628 0.0285 0.2803 -0.22115 2011 3 9 55629 0.0276 0.2814 -0.22247 2011 3 10 55630 0.0266 0.2824 -0.22365 2011 3 11 55631 0.0257 0.2835 -0.22474 2011 3 12 55632 0.0249 0.2846 -0.22575 2011 3 13 55633 0.0240 0.2857 -0.22674 2011 3 14 55634 0.0232 0.2868 -0.22773 2011 3 15 55635 0.0224 0.2880 -0.22879 2011 3 16 55636 0.0216 0.2891 -0.23000 2011 3 17 55637 0.0208 0.2903 -0.23142 2011 3 18 55638 0.0201 0.2914 -0.23306 2011 3 19 55639 0.0193 0.2926 -0.23489 2011 3 20 55640 0.0186 0.2938 -0.23676 2011 3 21 55641 0.0180 0.2950 -0.23852 2011 3 22 55642 0.0173 0.2962 -0.23998 2011 3 23 55643 0.0167 0.2974 -0.24120 2011 3 24 55644 0.0161 0.2987 -0.24223 2011 3 25 55645 0.0155 0.2999 -0.24316 2011 3 26 55646 0.0150 0.3012 -0.24402 2011 3 27 55647 0.0144 0.3024 -0.24489 2011 3 28 55648 0.0139 0.3037 -0.24582 2011 3 29 55649 0.0135 0.3050 -0.24688 2011 3 30 55650 0.0130 0.3062 -0.24807 2011 3 31 55651 0.0126 0.3075 -0.24939 2011 4 1 55652 0.0122 0.3088 -0.25078 2011 4 2 55653 0.0118 0.3101 -0.25217 2011 4 3 55654 0.0114 0.3114 -0.25349 2011 4 4 55655 0.0111 0.3128 -0.25472 2011 4 5 55656 0.0108 0.3141 -0.25586 2011 4 6 55657 0.0105 0.3154 -0.25685 2011 4 7 55658 0.0102 0.3167 -0.25765 2011 4 8 55659 0.0100 0.3180 -0.25828 2011 4 9 55660 0.0098 0.3194 -0.25882 2011 4 10 55661 0.0096 0.3207 -0.25943 2011 4 11 55662 0.0094 0.3221 -0.26010 2011 4 12 55663 0.0093 0.3234 -0.26089 2011 4 13 55664 0.0091 0.3247 -0.26188 2011 4 14 55665 0.0090 0.3261 -0.26308 2011 4 15 55666 0.0090 0.3274 -0.26449 2011 4 16 55667 0.0089 0.3288 -0.26602 2011 4 17 55668 0.0089 0.3301 -0.26750 2011 4 18 55669 0.0089 0.3315 -0.26878 2011 4 19 55670 0.0089 0.3328 -0.26978 2011 4 20 55671 0.0090 0.3342 -0.27061 2011 4 21 55672 0.0091 0.3355 -0.27132 2011 4 22 55673 0.0091 0.3369 -0.27198 2011 4 23 55674 0.0093 0.3382 -0.27266 2011 4 24 55675 0.0094 0.3396 -0.27338 2011 4 25 55676 0.0096 0.3409 -0.27414 2011 4 26 55677 0.0098 0.3422 -0.27498 2011 4 27 55678 0.0100 0.3436 -0.27586 2011 4 28 55679 0.0102 0.3449 -0.27683 2011 4 29 55680 0.0104 0.3462 -0.27780 2011 4 30 55681 0.0107 0.3475 -0.27874 2011 5 1 55682 0.0110 0.3489 -0.27964 2011 5 2 55683 0.0113 0.3502 -0.28046 2011 5 3 55684 0.0117 0.3515 -0.28112 2011 5 4 55685 0.0120 0.3528 -0.28165 2011 5 5 55686 0.0124 0.3541 -0.28207 2011 5 6 55687 0.0128 0.3553 -0.28246 2011 5 7 55688 0.0133 0.3566 -0.28290 2011 5 8 55689 0.0137 0.3579 -0.28338 2011 5 9 55690 0.0142 0.3592 -0.28396 2011 5 10 55691 0.0146 0.3604 -0.28468 2011 5 11 55692 0.0152 0.3617 -0.28559 2011 5 12 55693 0.0157 0.3629 -0.28669 2011 5 13 55694 0.0162 0.3642 -0.28789 2011 5 14 55695 0.0168 0.3654 -0.28906 2011 5 15 55696 0.0174 0.3666 -0.29008 2011 5 16 55697 0.0180 0.3678 -0.29090 2011 5 17 55698 0.0186 0.3690 -0.29147 2011 5 18 55699 0.0192 0.3702 -0.29185 2011 5 19 55700 0.0199 0.3714 -0.29217 2011 5 20 55701 0.0206 0.3725 -0.29249 2011 5 21 55702 0.0212 0.3737 -0.29285 2011 5 22 55703 0.0220 0.3748 -0.29330 2011 5 23 55704 0.0227 0.3760 -0.29385 2011 5 24 55705 0.0234 0.3771 -0.29447 2011 5 25 55706 0.0242 0.3782 -0.29518 2011 5 26 55707 0.0250 0.3793 -0.29592 2011 5 27 55708 0.0257 0.3804 -0.29661 2011 5 28 55709 0.0265 0.3814 -0.29726 2011 5 29 55710 0.0274 0.3825 -0.29781 2011 5 30 55711 0.0282 0.3835 -0.29816 2011 5 31 55712 0.0290 0.3846 -0.29827 2011 6 1 55713 0.0299 0.3856 -0.29821 2011 6 2 55714 0.0308 0.3866 -0.29811 2011 6 3 55715 0.0317 0.3876 -0.29803 2011 6 4 55716 0.0326 0.3885 -0.29801 2011 6 5 55717 0.0335 0.3895 -0.29808 2011 6 6 55718 0.0344 0.3904 -0.29830 2011 6 7 55719 0.0354 0.3914 -0.29873 2011 6 8 55720 0.0363 0.3923 -0.29936 2011 6 9 55721 0.0373 0.3932 -0.30010 2011 6 10 55722 0.0383 0.3941 -0.30082 2011 6 11 55723 0.0392 0.3949 -0.30149 2011 6 12 55724 0.0402 0.3958 -0.30198 2011 6 13 55725 0.0412 0.3966 -0.30225 2011 6 14 55726 0.0423 0.3975 -0.30233 2011 6 15 55727 0.0433 0.3983 -0.30229 2011 6 16 55728 0.0443 0.3990 -0.30217 2011 6 17 55729 0.0454 0.3998 -0.30205 2011 6 18 55730 0.0464 0.4006 -0.30201 2011 6 19 55731 0.0475 0.4013 -0.30208 2011 6 20 55732 0.0485 0.4020 -0.30229 2011 6 21 55733 0.0496 0.4027 -0.30258 2011 6 22 55734 0.0507 0.4034 -0.30290 2011 6 23 55735 0.0518 0.4041 -0.30322 2011 6 24 55736 0.0529 0.4047 -0.30347 2011 6 25 55737 0.0540 0.4054 -0.30361 2011 6 26 55738 0.0551 0.4060 -0.30363 2011 6 27 55739 0.0562 0.4066 -0.30352 2011 6 28 55740 0.0573 0.4072 -0.30331 2011 6 29 55741 0.0584 0.4077 -0.30306 2011 6 30 55742 0.0596 0.4083 -0.30280 2011 7 1 55743 0.0607 0.4088 -0.30260 2011 7 2 55744 0.0618 0.4093 -0.30248 2011 7 3 55745 0.0630 0.4098 -0.30249 2011 7 4 55746 0.0641 0.4103 -0.30267 2011 7 5 55747 0.0652 0.4107 -0.30302 2011 7 6 55748 0.0664 0.4112 -0.30348 2011 7 7 55749 0.0675 0.4116 -0.30393 2011 7 8 55750 0.0687 0.4120 -0.30433 2011 7 9 55751 0.0698 0.4124 -0.30457 2011 7 10 55752 0.0710 0.4127 -0.30461 2011 7 11 55753 0.0721 0.4131 -0.30447 2011 7 12 55754 0.0732 0.4134 -0.30416 2011 7 13 55755 0.0744 0.4137 -0.30377 2011 7 14 55756 0.0755 0.4140 -0.30343 2011 7 15 55757 0.0767 0.4143 -0.30317 2011 7 16 55758 0.0778 0.4145 -0.30307 2011 7 17 55759 0.0790 0.4148 -0.30312 2011 7 18 55760 0.0801 0.4150 -0.30331 2011 7 19 55761 0.0812 0.4152 -0.30356 2011 7 20 55762 0.0824 0.4154 -0.30382 2011 7 21 55763 0.0835 0.4155 -0.30401 2011 7 22 55764 0.0846 0.4157 -0.30411 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) 55380 -67.91 0.28 -9.72 0.18 55381 -68.09 0.28 -9.67 0.18 55382 -68.40 0.32 -9.72 0.12 55383 -68.97 0.35 -9.88 0.34 55384 -69.65 0.45 -9.95 0.34 55385 -70.14 0.45 -9.81 0.34 55386 -70.33 0.45 -9.58 0.34 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 55318 -61.9 -10.2 55319 -62.1 -10.0 55320 -62.4 -10.0 55321 -62.5 -10.1 55322 -62.3 -10.2 55323 -61.9 -10.3 55324 -61.5 -10.3 55325 -61.6 -10.3 55326 -62.0 -10.3 55327 -62.5 -10.4 55328 -62.7 -10.4 55329 -62.7 -10.4 55330 -62.8 -10.3 55331 -62.8 -10.2 55332 -62.9 -10.2 55333 -62.8 -10.3 55334 -62.8 -10.4 55335 -62.8 -10.5 55336 -63.0 -10.5 55337 -63.2 -10.6 55338 -63.4 -10.5 55339 -63.6 -10.4 55340 -63.8 -10.2 55341 -64.0 -10.1 55342 -64.0 -10.1 55343 -63.8 -10.3 55344 -63.4 -10.4 55345 -63.0 -10.4 55346 -62.7 -10.2 55347 -62.7 -10.0 55348 -62.9 -9.9 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55380 -0.163 0.111 0.118 0.180 55381 -0.193 0.111 0.137 0.180 55382 -0.203 0.127 0.140 0.120 55383 -0.203 0.139 0.121 0.340 55384 -0.207 0.179 0.118 0.340 55385 -0.208 0.179 0.123 0.340 55386 -0.208 0.179 0.127 0.340 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 55318 -0.17 -0.09 55319 -0.25 -0.06 55320 -0.28 -0.12 55321 -0.25 -0.13 55322 -0.19 -0.06 55323 -0.13 -0.04 55324 -0.07 -0.06 55325 -0.10 -0.15 55326 -0.16 -0.19 55327 -0.23 -0.25 55328 -0.20 -0.19 55329 -0.11 -0.19 55330 -0.08 -0.14 55331 -0.03 -0.05 55332 -0.07 0.02 55333 -0.07 0.03 55334 -0.14 0.01 55335 -0.17 -0.07 55336 -0.26 -0.07 55337 -0.33 -0.16 55338 -0.40 -0.11 55339 -0.48 -0.16 55340 -0.51 -0.17 55341 -0.51 -0.21 55342 -0.42 -0.18 55343 -0.31 -0.19 55344 -0.19 -0.09 55345 -0.11 -0.04 55346 -0.03 0.01 55347 -0.01 -0.01 55348 -0.02 -0.02 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.