********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 1 July 2010 Vol. XXIII No. 026 ______________________________________________________________________ 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 6 25 55372 0.04129 .00010 0.47968 .00009 -0.059137 0.000015 10 6 26 55373 0.04428 .00010 0.48040 .00009 -0.058522 0.000016 10 6 27 55374 0.04721 .00010 0.48118 .00009 -0.057943 0.000016 10 6 28 55375 0.05025 .00010 0.48186 .00009 -0.057456 0.000017 10 6 29 55376 0.05354 .00010 0.48243 .00009 -0.057104 0.000013 10 6 30 55377 0.05703 .00010 0.48285 .00009 -0.056933 0.000013 10 7 1 55378 0.06068 .00010 0.48320 .00009 -0.056886 0.000014 _______________________________________________________________________ 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 = 0.1015 + 0.0467 cos A + 0.0872 sin A - 0.0881 cos C + 0.0499 sin C y = 0.3508 + 0.0788 cos A - 0.0436 sin A + 0.0499 cos C + 0.0881 sin C UT1-UTC = -0.0371 - 0.00085 (MJD - 55386) - (UT2-UT1) where A = 2*pi*(MJD-55378)/365.25 and C = 2*pi*(MJD-55378)/435. TAI-UTC(MJD 55379) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55378)**0.80 S t = 0.00025 (MJD-55378)**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 2 55379 0.0638 0.4838 -0.05691 2010 7 3 55380 0.0668 0.4843 -0.05696 2010 7 4 55381 0.0696 0.4848 -0.05698 2010 7 5 55382 0.0722 0.4852 -0.05690 2010 7 6 55383 0.0746 0.4855 -0.05668 2010 7 7 55384 0.0770 0.4858 -0.05631 2010 7 8 55385 0.0793 0.4859 -0.05579 2010 7 9 55386 0.0816 0.4861 -0.05516 2010 7 10 55387 0.0839 0.4861 -0.05448 2010 7 11 55388 0.0862 0.4862 -0.05388 2010 7 12 55389 0.0884 0.4862 -0.05348 2010 7 13 55390 0.0907 0.4861 -0.05336 2010 7 14 55391 0.0929 0.4860 -0.05351 2010 7 15 55392 0.0951 0.4859 -0.05384 2010 7 16 55393 0.0973 0.4858 -0.05423 2010 7 17 55394 0.0995 0.4856 -0.05453 2010 7 18 55395 0.1017 0.4854 -0.05463 2010 7 19 55396 0.1039 0.4851 -0.05448 2010 7 20 55397 0.1061 0.4849 -0.05411 2010 7 21 55398 0.1083 0.4845 -0.05355 2010 7 22 55399 0.1104 0.4842 -0.05289 2010 7 23 55400 0.1126 0.4838 -0.05220 2010 7 24 55401 0.1147 0.4834 -0.05157 2010 7 25 55402 0.1169 0.4829 -0.05104 2010 7 26 55403 0.1190 0.4824 -0.05064 2010 7 27 55404 0.1211 0.4819 -0.05040 2010 7 28 55405 0.1232 0.4814 -0.05032 2010 7 29 55406 0.1252 0.4808 -0.05036 2010 7 30 55407 0.1273 0.4802 -0.05048 2010 7 31 55408 0.1293 0.4795 -0.05065 2010 8 1 55409 0.1313 0.4788 -0.05080 2010 8 2 55410 0.1334 0.4781 -0.05090 2010 8 3 55411 0.1353 0.4774 -0.05091 2010 8 4 55412 0.1373 0.4766 -0.05082 2010 8 5 55413 0.1393 0.4758 -0.05064 2010 8 6 55414 0.1412 0.4750 -0.05041 2010 8 7 55415 0.1431 0.4741 -0.05021 2010 8 8 55416 0.1450 0.4732 -0.05017 2010 8 9 55417 0.1469 0.4723 -0.05035 2010 8 10 55418 0.1488 0.4714 -0.05080 2010 8 11 55419 0.1506 0.4704 -0.05149 2010 8 12 55420 0.1524 0.4694 -0.05233 2010 8 13 55421 0.1542 0.4683 -0.05318 2010 8 14 55422 0.1560 0.4673 -0.05389 2010 8 15 55423 0.1577 0.4662 -0.05438 2010 8 16 55424 0.1595 0.4651 -0.05460 2010 8 17 55425 0.1612 0.4639 -0.05461 2010 8 18 55426 0.1629 0.4627 -0.05446 2010 8 19 55427 0.1645 0.4615 -0.05425 2010 8 20 55428 0.1662 0.4603 -0.05406 2010 8 21 55429 0.1678 0.4591 -0.05395 2010 8 22 55430 0.1693 0.4578 -0.05396 2010 8 23 55431 0.1709 0.4565 -0.05411 2010 8 24 55432 0.1724 0.4552 -0.05441 2010 8 25 55433 0.1739 0.4538 -0.05482 2010 8 26 55434 0.1754 0.4525 -0.05530 2010 8 27 55435 0.1769 0.4511 -0.05581 2010 8 28 55436 0.1783 0.4497 -0.05630 2010 8 29 55437 0.1797 0.4482 -0.05672 2010 8 30 55438 0.1811 0.4468 -0.05704 2010 8 31 55439 0.1824 0.4453 -0.05724 2010 9 1 55440 0.1837 0.4438 -0.05733 2010 9 2 55441 0.1850 0.4423 -0.05735 2010 9 3 55442 0.1863 0.4408 -0.05737 2010 9 4 55443 0.1875 0.4392 -0.05748 2010 9 5 55444 0.1887 0.4376 -0.05780 2010 9 6 55445 0.1899 0.4360 -0.05838 2010 9 7 55446 0.1910 0.4344 -0.05926 2010 9 8 55447 0.1921 0.4328 -0.06039 2010 9 9 55448 0.1932 0.4312 -0.06163 2010 9 10 55449 0.1942 0.4295 -0.06282 2010 9 11 55450 0.1953 0.4278 -0.06384 2010 9 12 55451 0.1962 0.4261 -0.06459 2010 9 13 55452 0.1972 0.4244 -0.06510 2010 9 14 55453 0.1981 0.4227 -0.06541 2010 9 15 55454 0.1990 0.4210 -0.06564 2010 9 16 55455 0.1999 0.4192 -0.06586 2010 9 17 55456 0.2007 0.4175 -0.06614 2010 9 18 55457 0.2015 0.4157 -0.06655 2010 9 19 55458 0.2023 0.4139 -0.06710 2010 9 20 55459 0.2030 0.4121 -0.06779 2010 9 21 55460 0.2037 0.4103 -0.06861 2010 9 22 55461 0.2043 0.4085 -0.06952 2010 9 23 55462 0.2050 0.4066 -0.07048 2010 9 24 55463 0.2056 0.4048 -0.07144 2010 9 25 55464 0.2062 0.4030 -0.07235 2010 9 26 55465 0.2067 0.4011 -0.07317 2010 9 27 55466 0.2072 0.3992 -0.07389 2010 9 28 55467 0.2077 0.3974 -0.07451 2010 9 29 55468 0.2081 0.3955 -0.07505 2010 9 30 55469 0.2085 0.3936 -0.07558 2010 10 1 55470 0.2089 0.3917 -0.07616 2010 10 2 55471 0.2092 0.3898 -0.07690 2010 10 3 55472 0.2095 0.3879 -0.07787 2010 10 4 55473 0.2098 0.3860 -0.07912 2010 10 5 55474 0.2100 0.3841 -0.08063 2010 10 6 55475 0.2102 0.3822 -0.08230 2010 10 7 55476 0.2104 0.3803 -0.08402 2010 10 8 55477 0.2106 0.3784 -0.08562 2010 10 9 55478 0.2107 0.3765 -0.08700 2010 10 10 55479 0.2108 0.3746 -0.08811 2010 10 11 55480 0.2108 0.3727 -0.08899 2010 10 12 55481 0.2108 0.3707 -0.08971 2010 10 13 55482 0.2108 0.3688 -0.09037 2010 10 14 55483 0.2107 0.3669 -0.09105 2010 10 15 55484 0.2106 0.3650 -0.09182 2010 10 16 55485 0.2105 0.3631 -0.09272 2010 10 17 55486 0.2104 0.3612 -0.09374 2010 10 18 55487 0.2102 0.3593 -0.09485 2010 10 19 55488 0.2100 0.3574 -0.09606 2010 10 20 55489 0.2097 0.3555 -0.09732 2010 10 21 55490 0.2094 0.3536 -0.09858 2010 10 22 55491 0.2091 0.3517 -0.09979 2010 10 23 55492 0.2088 0.3498 -0.10091 2010 10 24 55493 0.2084 0.3479 -0.10191 2010 10 25 55494 0.2080 0.3461 -0.10279 2010 10 26 55495 0.2076 0.3442 -0.10357 2010 10 27 55496 0.2071 0.3423 -0.10431 2010 10 28 55497 0.2066 0.3405 -0.10508 2010 10 29 55498 0.2061 0.3387 -0.10595 2010 10 30 55499 0.2055 0.3368 -0.10700 2010 10 31 55500 0.2050 0.3350 -0.10829 2010 11 1 55501 0.2043 0.3332 -0.10981 2010 11 2 55502 0.2037 0.3314 -0.11150 2010 11 3 55503 0.2030 0.3296 -0.11327 2010 11 4 55504 0.2023 0.3278 -0.11499 2010 11 5 55505 0.2016 0.3261 -0.11655 2010 11 6 55506 0.2009 0.3243 -0.11787 2010 11 7 55507 0.2001 0.3226 -0.11895 2010 11 8 55508 0.1993 0.3208 -0.11983 2010 11 9 55509 0.1984 0.3191 -0.12061 2010 11 10 55510 0.1976 0.3174 -0.12138 2010 11 11 55511 0.1967 0.3157 -0.12221 2010 11 12 55512 0.1958 0.3140 -0.12313 2010 11 13 55513 0.1948 0.3124 -0.12417 2010 11 14 55514 0.1939 0.3107 -0.12530 2010 11 15 55515 0.1929 0.3091 -0.12652 2010 11 16 55516 0.1919 0.3075 -0.12778 2010 11 17 55517 0.1908 0.3059 -0.12903 2010 11 18 55518 0.1898 0.3043 -0.13024 2010 11 19 55519 0.1887 0.3028 -0.13135 2010 11 20 55520 0.1876 0.3012 -0.13235 2010 11 21 55521 0.1864 0.2997 -0.13321 2010 11 22 55522 0.1853 0.2982 -0.13396 2010 11 23 55523 0.1841 0.2967 -0.13463 2010 11 24 55524 0.1829 0.2952 -0.13530 2010 11 25 55525 0.1817 0.2938 -0.13605 2010 11 26 55526 0.1804 0.2923 -0.13694 2010 11 27 55527 0.1792 0.2909 -0.13804 2010 11 28 55528 0.1779 0.2895 -0.13934 2010 11 29 55529 0.1766 0.2882 -0.14079 2010 11 30 55530 0.1753 0.2868 -0.14232 2010 12 1 55531 0.1739 0.2855 -0.14380 2010 12 2 55532 0.1726 0.2842 -0.14515 2010 12 3 55533 0.1712 0.2829 -0.14629 2010 12 4 55534 0.1698 0.2816 -0.14720 2010 12 5 55535 0.1684 0.2804 -0.14790 2010 12 6 55536 0.1670 0.2792 -0.14847 2010 12 7 55537 0.1655 0.2780 -0.14900 2010 12 8 55538 0.1641 0.2768 -0.14955 2010 12 9 55539 0.1626 0.2757 -0.15020 2010 12 10 55540 0.1611 0.2745 -0.15095 2010 12 11 55541 0.1596 0.2734 -0.15180 2010 12 12 55542 0.1581 0.2724 -0.15273 2010 12 13 55543 0.1566 0.2713 -0.15371 2010 12 14 55544 0.1550 0.2703 -0.15470 2010 12 15 55545 0.1535 0.2693 -0.15565 2010 12 16 55546 0.1519 0.2683 -0.15651 2010 12 17 55547 0.1503 0.2674 -0.15727 2010 12 18 55548 0.1487 0.2664 -0.15790 2010 12 19 55549 0.1471 0.2655 -0.15842 2010 12 20 55550 0.1455 0.2647 -0.15885 2010 12 21 55551 0.1439 0.2638 -0.15927 2010 12 22 55552 0.1423 0.2630 -0.15975 2010 12 23 55553 0.1406 0.2622 -0.16038 2010 12 24 55554 0.1390 0.2614 -0.16122 2010 12 25 55555 0.1373 0.2607 -0.16229 2010 12 26 55556 0.1357 0.2599 -0.16353 2010 12 27 55557 0.1340 0.2592 -0.16485 2010 12 28 55558 0.1323 0.2586 -0.16615 2010 12 29 55559 0.1306 0.2579 -0.16733 2010 12 30 55560 0.1290 0.2573 -0.16831 2010 12 31 55561 0.1273 0.2567 -0.16909 2011 1 1 55562 0.1256 0.2562 -0.16969 2011 1 2 55563 0.1239 0.2556 -0.17016 2011 1 3 55564 0.1222 0.2551 -0.17061 2011 1 4 55565 0.1205 0.2547 -0.17110 2011 1 5 55566 0.1187 0.2542 -0.17170 2011 1 6 55567 0.1170 0.2538 -0.17244 2011 1 7 55568 0.1153 0.2534 -0.17333 2011 1 8 55569 0.1136 0.2530 -0.17434 2011 1 9 55570 0.1119 0.2527 -0.17542 2011 1 10 55571 0.1102 0.2524 -0.17650 2011 1 11 55572 0.1085 0.2521 -0.17754 2011 1 12 55573 0.1067 0.2518 -0.17847 2011 1 13 55574 0.1050 0.2516 -0.17925 2011 1 14 55575 0.1033 0.2514 -0.17989 2011 1 15 55576 0.1016 0.2512 -0.18037 2011 1 16 55577 0.0999 0.2510 -0.18074 2011 1 17 55578 0.0982 0.2509 -0.18106 2011 1 18 55579 0.0965 0.2508 -0.18142 2011 1 19 55580 0.0948 0.2508 -0.18193 2011 1 20 55581 0.0931 0.2507 -0.18265 2011 1 21 55582 0.0914 0.2507 -0.18366 2011 1 22 55583 0.0898 0.2507 -0.18492 2011 1 23 55584 0.0881 0.2507 -0.18636 2011 1 24 55585 0.0864 0.2508 -0.18785 2011 1 25 55586 0.0848 0.2509 -0.18929 2011 1 26 55587 0.0831 0.2510 -0.19055 2011 1 27 55588 0.0815 0.2511 -0.19161 2011 1 28 55589 0.0798 0.2513 -0.19247 2011 1 29 55590 0.0782 0.2515 -0.19316 2011 1 30 55591 0.0766 0.2517 -0.19376 2011 1 31 55592 0.0750 0.2520 -0.19433 2011 2 1 55593 0.0734 0.2522 -0.19492 2011 2 2 55594 0.0718 0.2525 -0.19557 2011 2 3 55595 0.0702 0.2529 -0.19628 2011 2 4 55596 0.0686 0.2532 -0.19707 2011 2 5 55597 0.0670 0.2536 -0.19793 2011 2 6 55598 0.0655 0.2540 -0.19885 2011 2 7 55599 0.0640 0.2544 -0.19976 2011 2 8 55600 0.0624 0.2548 -0.20059 2011 2 9 55601 0.0609 0.2553 -0.20134 2011 2 10 55602 0.0594 0.2558 -0.20203 2011 2 11 55603 0.0580 0.2563 -0.20266 2011 2 12 55604 0.0565 0.2568 -0.20320 2011 2 13 55605 0.0550 0.2574 -0.20368 2011 2 14 55606 0.0536 0.2580 -0.20416 2011 2 15 55607 0.0522 0.2586 -0.20477 2011 2 16 55608 0.0508 0.2592 -0.20561 2011 2 17 55609 0.0494 0.2599 -0.20674 2011 2 18 55610 0.0480 0.2605 -0.20817 2011 2 19 55611 0.0466 0.2612 -0.20980 2011 2 20 55612 0.0453 0.2619 -0.21147 2011 2 21 55613 0.0440 0.2627 -0.21308 2011 2 22 55614 0.0426 0.2634 -0.21452 2011 2 23 55615 0.0414 0.2642 -0.21568 2011 2 24 55616 0.0401 0.2650 -0.21652 2011 2 25 55617 0.0388 0.2658 -0.21708 2011 2 26 55618 0.0376 0.2667 -0.21750 2011 2 27 55619 0.0364 0.2675 -0.21795 2011 2 28 55620 0.0352 0.2684 -0.21843 2011 3 1 55621 0.0340 0.2693 -0.21896 2011 3 2 55622 0.0328 0.2702 -0.21958 2011 3 3 55623 0.0317 0.2711 -0.22030 2011 3 4 55624 0.0306 0.2721 -0.22112 2011 3 5 55625 0.0295 0.2730 -0.22204 2011 3 6 55626 0.0284 0.2740 -0.22295 2011 3 7 55627 0.0273 0.2750 -0.22379 2011 3 8 55628 0.0263 0.2760 -0.22455 2011 3 9 55629 0.0253 0.2771 -0.22528 2011 3 10 55630 0.0243 0.2781 -0.22599 2011 3 11 55631 0.0233 0.2792 -0.22666 2011 3 12 55632 0.0223 0.2802 -0.22730 2011 3 13 55633 0.0214 0.2813 -0.22791 2011 3 14 55634 0.0205 0.2824 -0.22855 2011 3 15 55635 0.0196 0.2836 -0.22931 2011 3 16 55636 0.0187 0.2847 -0.23029 2011 3 17 55637 0.0179 0.2858 -0.23157 2011 3 18 55638 0.0171 0.2870 -0.23310 2011 3 19 55639 0.0163 0.2882 -0.23482 2011 3 20 55640 0.0155 0.2894 -0.23660 2011 3 21 55641 0.0147 0.2906 -0.23829 2011 3 22 55642 0.0140 0.2918 -0.23974 2011 3 23 55643 0.0133 0.2930 -0.24091 2011 3 24 55644 0.0126 0.2942 -0.24183 2011 3 25 55645 0.0120 0.2955 -0.24265 2011 3 26 55646 0.0113 0.2967 -0.24347 2011 3 27 55647 0.0107 0.2980 -0.24430 2011 3 28 55648 0.0101 0.2992 -0.24517 2011 3 29 55649 0.0096 0.3005 -0.24611 2011 3 30 55650 0.0090 0.3018 -0.24715 2011 3 31 55651 0.0085 0.3031 -0.24828 2011 4 1 55652 0.0080 0.3044 -0.24947 2011 4 2 55653 0.0076 0.3057 -0.25063 2011 4 3 55654 0.0071 0.3070 -0.25173 2011 4 4 55655 0.0067 0.3083 -0.25276 2011 4 5 55656 0.0063 0.3097 -0.25368 2011 4 6 55657 0.0059 0.3110 -0.25451 2011 4 7 55658 0.0056 0.3123 -0.25532 2011 4 8 55659 0.0053 0.3137 -0.25610 2011 4 9 55660 0.0050 0.3150 -0.25685 2011 4 10 55661 0.0047 0.3164 -0.25763 2011 4 11 55662 0.0045 0.3177 -0.25852 2011 4 12 55663 0.0042 0.3191 -0.25959 2011 4 13 55664 0.0040 0.3205 -0.26092 2011 4 14 55665 0.0039 0.3218 -0.26252 2011 4 15 55666 0.0037 0.3232 -0.26430 2011 4 16 55667 0.0036 0.3246 -0.26622 2011 4 17 55668 0.0035 0.3259 -0.26811 2011 4 18 55669 0.0034 0.3273 -0.26977 2011 4 19 55670 0.0033 0.3287 -0.27107 2011 4 20 55671 0.0033 0.3300 -0.27206 2011 4 21 55672 0.0033 0.3314 -0.27288 2011 4 22 55673 0.0033 0.3328 -0.27365 2011 4 23 55674 0.0033 0.3341 -0.27442 2011 4 24 55675 0.0034 0.3355 -0.27521 2011 4 25 55676 0.0035 0.3369 -0.27608 2011 4 26 55677 0.0036 0.3382 -0.27706 2011 4 27 55678 0.0037 0.3396 -0.27816 2011 4 28 55679 0.0038 0.3410 -0.27930 2011 4 29 55680 0.0040 0.3423 -0.28043 2011 4 30 55681 0.0042 0.3437 -0.28154 2011 5 1 55682 0.0044 0.3450 -0.28257 2011 5 2 55683 0.0047 0.3464 -0.28348 2011 5 3 55684 0.0049 0.3477 -0.28430 2011 5 4 55685 0.0052 0.3491 -0.28502 2011 5 5 55686 0.0055 0.3504 -0.28565 2011 5 6 55687 0.0058 0.3517 -0.28619 2011 5 7 55688 0.0062 0.3530 -0.28674 2011 5 8 55689 0.0065 0.3543 -0.28736 2011 5 9 55690 0.0069 0.3557 -0.28815 2011 5 10 55691 0.0073 0.3570 -0.28914 2011 5 11 55692 0.0078 0.3582 -0.29034 2011 5 12 55693 0.0082 0.3595 -0.29174 2011 5 13 55694 0.0087 0.3608 -0.29325 2011 5 14 55695 0.0092 0.3621 -0.29474 2011 5 15 55696 0.0097 0.3633 -0.29613 2011 5 16 55697 0.0102 0.3646 -0.29732 2011 5 17 55698 0.0107 0.3658 -0.29827 2011 5 18 55699 0.0113 0.3671 -0.29904 2011 5 19 55700 0.0119 0.3683 -0.29970 2011 5 20 55701 0.0125 0.3695 -0.30032 2011 5 21 55702 0.0131 0.3707 -0.30094 2011 5 22 55703 0.0137 0.3719 -0.30160 2011 5 23 55704 0.0144 0.3731 -0.30231 2011 5 24 55705 0.0151 0.3743 -0.30308 2011 5 25 55706 0.0157 0.3754 -0.30386 2011 5 26 55707 0.0164 0.3766 -0.30463 2011 5 27 55708 0.0172 0.3777 -0.30537 2011 5 28 55709 0.0179 0.3788 -0.30603 2011 5 29 55710 0.0186 0.3799 -0.30658 2011 5 30 55711 0.0194 0.3810 -0.30703 2011 5 31 55712 0.0202 0.3821 -0.30732 2011 6 1 55713 0.0210 0.3832 -0.30752 2011 6 2 55714 0.0218 0.3843 -0.30767 2011 6 3 55715 0.0226 0.3853 -0.30782 2011 6 4 55716 0.0235 0.3863 -0.30805 2011 6 5 55717 0.0243 0.3874 -0.30844 2011 6 6 55718 0.0252 0.3884 -0.30902 2011 6 7 55719 0.0261 0.3893 -0.30980 2011 6 8 55720 0.0270 0.3903 -0.31073 2011 6 9 55721 0.0279 0.3913 -0.31175 2011 6 10 55722 0.0288 0.3922 -0.31276 2011 6 11 55723 0.0297 0.3932 -0.31370 2011 6 12 55724 0.0306 0.3941 -0.31442 2011 6 13 55725 0.0316 0.3950 -0.31492 2011 6 14 55726 0.0325 0.3959 -0.31526 2011 6 15 55727 0.0335 0.3967 -0.31541 2011 6 16 55728 0.0345 0.3976 -0.31545 2011 6 17 55729 0.0355 0.3984 -0.31553 2011 6 18 55730 0.0365 0.3992 -0.31570 2011 6 19 55731 0.0375 0.4000 -0.31600 2011 6 20 55732 0.0385 0.4008 -0.31640 2011 6 21 55733 0.0395 0.4016 -0.31687 2011 6 22 55734 0.0406 0.4023 -0.31729 2011 6 23 55735 0.0416 0.4031 -0.31763 2011 6 24 55736 0.0427 0.4038 -0.31786 2011 6 25 55737 0.0437 0.4045 -0.31796 2011 6 26 55738 0.0448 0.4052 -0.31795 2011 6 27 55739 0.0458 0.4058 -0.31788 2011 6 28 55740 0.0469 0.4065 -0.31775 2011 6 29 55741 0.0480 0.4071 -0.31754 2011 6 30 55742 0.0491 0.4077 -0.31728 2011 7 1 55743 0.0502 0.4083 -0.31699 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) 55359 -65.35 0.34 -9.92 0.34 55360 -65.28 0.28 -10.06 0.34 55361 -65.05 0.28 -10.20 0.34 55362 -64.83 0.11 -10.19 0.34 55363 -64.87 0.20 -10.05 0.34 55364 -65.23 0.20 -9.90 0.34 55365 -65.74 0.20 -9.83 0.34 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55359 -0.023 0.135 0.018 0.340 55360 -0.015 0.111 0.011 0.340 55361 -0.008 0.111 0.002 0.340 55362 -0.014 0.044 -0.025 0.340 55363 -0.038 0.080 -0.078 0.340 55364 -0.064 0.080 -0.127 0.340 55365 -0.090 0.080 -0.150 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.