********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 17 June 2010 Vol. XXIII No. 024 ______________________________________________________________________ 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 ********************************************************************** * As of Bulletin A Vol. XXIII, No. 024, on 17 June 2010, we have * * incorporated the new GSFC VLBI solutions gsf2010a.eops and * * gsf2010a.eopi. The effect appears to be less than 0.1 mas in * * polar motion and 10 us in UT1-UTC. * ********************************************************************** ________________________________________________________________________ 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 11 55358 -.00114 .00009 0.46769 .00009 -0.057162 0.000011 10 6 12 55359 0.00172 .00010 0.46927 .00009 -0.057242 0.000010 10 6 13 55360 0.00494 .00010 0.47082 .00009 -0.057293 0.000008 10 6 14 55361 0.00781 .00010 0.47224 .00009 -0.057395 0.000010 10 6 15 55362 0.01033 .00010 0.47337 .00009 -0.057603 0.000009 10 6 16 55363 0.01298 .00010 0.47436 .00009 -0.057967 0.000009 10 6 17 55364 0.01583 .00010 0.47544 .00009 -0.058505 0.000055 _______________________________________________________________________ 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 + 0.0255 cos A + 0.0943 sin A - 0.0987 cos C + 0.0316 sin C y = 0.3555 + 0.0854 cos A - 0.0255 sin A + 0.0316 cos C + 0.0987 sin C UT1-UTC = -0.0309 - 0.00085 (MJD - 55372) - (UT2-UT1) where A = 2*pi*(MJD-55364)/365.25 and C = 2*pi*(MJD-55364)/435. TAI-UTC(MJD 55365) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55364)**0.80 S t = 0.00025 (MJD-55364)**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 6 18 55365 0.0184 0.4766 -0.05915 2010 6 19 55366 0.0209 0.4777 -0.05977 2010 6 20 55367 0.0234 0.4789 -0.06024 2010 6 21 55368 0.0257 0.4799 -0.06047 2010 6 22 55369 0.0280 0.4809 -0.06044 2010 6 23 55370 0.0303 0.4818 -0.06015 2010 6 24 55371 0.0325 0.4827 -0.05966 2010 6 25 55372 0.0348 0.4835 -0.05904 2010 6 26 55373 0.0371 0.4842 -0.05837 2010 6 27 55374 0.0394 0.4849 -0.05772 2010 6 28 55375 0.0417 0.4856 -0.05718 2010 6 29 55376 0.0439 0.4863 -0.05681 2010 6 30 55377 0.0462 0.4869 -0.05660 2010 7 1 55378 0.0485 0.4875 -0.05655 2010 7 2 55379 0.0508 0.4880 -0.05663 2010 7 3 55380 0.0531 0.4885 -0.05678 2010 7 4 55381 0.0555 0.4890 -0.05693 2010 7 5 55382 0.0578 0.4894 -0.05703 2010 7 6 55383 0.0601 0.4898 -0.05706 2010 7 7 55384 0.0624 0.4902 -0.05698 2010 7 8 55385 0.0647 0.4905 -0.05679 2010 7 9 55386 0.0670 0.4908 -0.05652 2010 7 10 55387 0.0693 0.4911 -0.05625 2010 7 11 55388 0.0716 0.4913 -0.05606 2010 7 12 55389 0.0740 0.4915 -0.05606 2010 7 13 55390 0.0763 0.4916 -0.05633 2010 7 14 55391 0.0786 0.4917 -0.05686 2010 7 15 55392 0.0809 0.4918 -0.05759 2010 7 16 55393 0.0832 0.4918 -0.05837 2010 7 17 55394 0.0854 0.4918 -0.05909 2010 7 18 55395 0.0877 0.4918 -0.05961 2010 7 19 55396 0.0900 0.4917 -0.05988 2010 7 20 55397 0.0923 0.4916 -0.05987 2010 7 21 55398 0.0945 0.4915 -0.05962 2010 7 22 55399 0.0968 0.4913 -0.05923 2010 7 23 55400 0.0990 0.4911 -0.05877 2010 7 24 55401 0.1013 0.4909 -0.05833 2010 7 25 55402 0.1035 0.4906 -0.05799 2010 7 26 55403 0.1057 0.4903 -0.05776 2010 7 27 55404 0.1079 0.4899 -0.05766 2010 7 28 55405 0.1101 0.4895 -0.05770 2010 7 29 55406 0.1123 0.4891 -0.05785 2010 7 30 55407 0.1145 0.4887 -0.05805 2010 7 31 55408 0.1166 0.4882 -0.05827 2010 8 1 55409 0.1188 0.4877 -0.05845 2010 8 2 55410 0.1209 0.4871 -0.05854 2010 8 3 55411 0.1230 0.4866 -0.05852 2010 8 4 55412 0.1251 0.4859 -0.05839 2010 8 5 55413 0.1272 0.4853 -0.05814 2010 8 6 55414 0.1293 0.4846 -0.05784 2010 8 7 55415 0.1313 0.4839 -0.05756 2010 8 8 55416 0.1334 0.4832 -0.05743 2010 8 9 55417 0.1354 0.4824 -0.05752 2010 8 10 55418 0.1374 0.4816 -0.05790 2010 8 11 55419 0.1394 0.4808 -0.05852 2010 8 12 55420 0.1413 0.4799 -0.05929 2010 8 13 55421 0.1433 0.4790 -0.06006 2010 8 14 55422 0.1452 0.4781 -0.06069 2010 8 15 55423 0.1471 0.4771 -0.06107 2010 8 16 55424 0.1490 0.4761 -0.06118 2010 8 17 55425 0.1508 0.4751 -0.06106 2010 8 18 55426 0.1527 0.4741 -0.06079 2010 8 19 55427 0.1545 0.4730 -0.06046 2010 8 20 55428 0.1563 0.4719 -0.06014 2010 8 21 55429 0.1580 0.4708 -0.05991 2010 8 22 55430 0.1598 0.4696 -0.05981 2010 8 23 55431 0.1615 0.4685 -0.05985 2010 8 24 55432 0.1632 0.4673 -0.06004 2010 8 25 55433 0.1649 0.4660 -0.06036 2010 8 26 55434 0.1665 0.4648 -0.06077 2010 8 27 55435 0.1682 0.4635 -0.06123 2010 8 28 55436 0.1698 0.4622 -0.06167 2010 8 29 55437 0.1713 0.4609 -0.06206 2010 8 30 55438 0.1729 0.4595 -0.06236 2010 8 31 55439 0.1744 0.4581 -0.06255 2010 9 1 55440 0.1759 0.4567 -0.06265 2010 9 2 55441 0.1774 0.4553 -0.06269 2010 9 3 55442 0.1788 0.4539 -0.06275 2010 9 4 55443 0.1802 0.4524 -0.06292 2010 9 5 55444 0.1816 0.4509 -0.06331 2010 9 6 55445 0.1829 0.4494 -0.06398 2010 9 7 55446 0.1843 0.4479 -0.06495 2010 9 8 55447 0.1856 0.4463 -0.06616 2010 9 9 55448 0.1868 0.4448 -0.06749 2010 9 10 55449 0.1881 0.4432 -0.06877 2010 9 11 55450 0.1893 0.4416 -0.06986 2010 9 12 55451 0.1904 0.4400 -0.07069 2010 9 13 55452 0.1916 0.4383 -0.07126 2010 9 14 55453 0.1927 0.4367 -0.07163 2010 9 15 55454 0.1938 0.4350 -0.07190 2010 9 16 55455 0.1948 0.4333 -0.07216 2010 9 17 55456 0.1959 0.4316 -0.07248 2010 9 18 55457 0.1969 0.4299 -0.07290 2010 9 19 55458 0.1978 0.4281 -0.07346 2010 9 20 55459 0.1988 0.4264 -0.07415 2010 9 21 55460 0.1997 0.4246 -0.07497 2010 9 22 55461 0.2005 0.4229 -0.07588 2010 9 23 55462 0.2014 0.4211 -0.07683 2010 9 24 55463 0.2022 0.4193 -0.07777 2010 9 25 55464 0.2029 0.4174 -0.07866 2010 9 26 55465 0.2037 0.4156 -0.07947 2010 9 27 55466 0.2044 0.4138 -0.08017 2010 9 28 55467 0.2050 0.4119 -0.08078 2010 9 29 55468 0.2057 0.4101 -0.08131 2010 9 30 55469 0.2063 0.4082 -0.08182 2010 10 1 55470 0.2069 0.4064 -0.08240 2010 10 2 55471 0.2074 0.4045 -0.08312 2010 10 3 55472 0.2079 0.4026 -0.08408 2010 10 4 55473 0.2084 0.4007 -0.08530 2010 10 5 55474 0.2088 0.3988 -0.08679 2010 10 6 55475 0.2092 0.3969 -0.08845 2010 10 7 55476 0.2096 0.3950 -0.09016 2010 10 8 55477 0.2100 0.3931 -0.09175 2010 10 9 55478 0.2103 0.3911 -0.09313 2010 10 10 55479 0.2106 0.3892 -0.09424 2010 10 11 55480 0.2108 0.3873 -0.09511 2010 10 12 55481 0.2110 0.3854 -0.09584 2010 10 13 55482 0.2112 0.3834 -0.09651 2010 10 14 55483 0.2113 0.3815 -0.09721 2010 10 15 55484 0.2115 0.3796 -0.09799 2010 10 16 55485 0.2115 0.3776 -0.09889 2010 10 17 55486 0.2116 0.3757 -0.09991 2010 10 18 55487 0.2116 0.3737 -0.10105 2010 10 19 55488 0.2116 0.3718 -0.10227 2010 10 20 55489 0.2116 0.3699 -0.10354 2010 10 21 55490 0.2115 0.3679 -0.10481 2010 10 22 55491 0.2114 0.3660 -0.10602 2010 10 23 55492 0.2112 0.3641 -0.10714 2010 10 24 55493 0.2111 0.3621 -0.10814 2010 10 25 55494 0.2109 0.3602 -0.10902 2010 10 26 55495 0.2106 0.3583 -0.10979 2010 10 27 55496 0.2104 0.3564 -0.11052 2010 10 28 55497 0.2101 0.3545 -0.11127 2010 10 29 55498 0.2097 0.3526 -0.11213 2010 10 30 55499 0.2094 0.3507 -0.11316 2010 10 31 55500 0.2090 0.3488 -0.11442 2010 11 1 55501 0.2086 0.3469 -0.11591 2010 11 2 55502 0.2081 0.3450 -0.11757 2010 11 3 55503 0.2076 0.3432 -0.11931 2010 11 4 55504 0.2071 0.3413 -0.12099 2010 11 5 55505 0.2066 0.3395 -0.12250 2010 11 6 55506 0.2060 0.3376 -0.12377 2010 11 7 55507 0.2054 0.3358 -0.12480 2010 11 8 55508 0.2048 0.3340 -0.12563 2010 11 9 55509 0.2042 0.3322 -0.12635 2010 11 10 55510 0.2035 0.3304 -0.12706 2010 11 11 55511 0.2028 0.3286 -0.12782 2010 11 12 55512 0.2020 0.3268 -0.12868 2010 11 13 55513 0.2013 0.3251 -0.12965 2010 11 14 55514 0.2005 0.3233 -0.13071 2010 11 15 55515 0.1997 0.3216 -0.13186 2010 11 16 55516 0.1988 0.3199 -0.13305 2010 11 17 55517 0.1980 0.3182 -0.13424 2010 11 18 55518 0.1971 0.3165 -0.13537 2010 11 19 55519 0.1962 0.3148 -0.13642 2010 11 20 55520 0.1952 0.3131 -0.13735 2010 11 21 55521 0.1942 0.3115 -0.13814 2010 11 22 55522 0.1933 0.3099 -0.13883 2010 11 23 55523 0.1922 0.3083 -0.13944 2010 11 24 55524 0.1912 0.3067 -0.14006 2010 11 25 55525 0.1901 0.3051 -0.14075 2010 11 26 55526 0.1891 0.3035 -0.14159 2010 11 27 55527 0.1879 0.3020 -0.14264 2010 11 28 55528 0.1868 0.3005 -0.14390 2010 11 29 55529 0.1857 0.2989 -0.14531 2010 11 30 55530 0.1845 0.2975 -0.14679 2010 12 1 55531 0.1833 0.2960 -0.14824 2010 12 2 55532 0.1821 0.2945 -0.14955 2010 12 3 55533 0.1809 0.2931 -0.15066 2010 12 4 55534 0.1796 0.2917 -0.15153 2010 12 5 55535 0.1783 0.2903 -0.15221 2010 12 6 55536 0.1770 0.2890 -0.15276 2010 12 7 55537 0.1757 0.2876 -0.15326 2010 12 8 55538 0.1744 0.2863 -0.15380 2010 12 9 55539 0.1731 0.2850 -0.15444 2010 12 10 55540 0.1717 0.2837 -0.15518 2010 12 11 55541 0.1703 0.2824 -0.15604 2010 12 12 55542 0.1689 0.2812 -0.15698 2010 12 13 55543 0.1675 0.2800 -0.15798 2010 12 14 55544 0.1661 0.2788 -0.15899 2010 12 15 55545 0.1647 0.2776 -0.15998 2010 12 16 55546 0.1632 0.2765 -0.16090 2010 12 17 55547 0.1617 0.2754 -0.16173 2010 12 18 55548 0.1603 0.2743 -0.16245 2010 12 19 55549 0.1588 0.2732 -0.16309 2010 12 20 55550 0.1573 0.2722 -0.16368 2010 12 21 55551 0.1557 0.2711 -0.16428 2010 12 22 55552 0.1542 0.2701 -0.16497 2010 12 23 55553 0.1527 0.2692 -0.16584 2010 12 24 55554 0.1511 0.2682 -0.16694 2010 12 25 55555 0.1495 0.2673 -0.16827 2010 12 26 55556 0.1480 0.2664 -0.16975 2010 12 27 55557 0.1464 0.2655 -0.17128 2010 12 28 55558 0.1448 0.2647 -0.17275 2010 12 29 55559 0.1432 0.2639 -0.17405 2010 12 30 55560 0.1416 0.2631 -0.17511 2010 12 31 55561 0.1400 0.2623 -0.17593 2011 1 1 55562 0.1383 0.2616 -0.17655 2011 1 2 55563 0.1367 0.2608 -0.17703 2011 1 3 55564 0.1351 0.2601 -0.17747 2011 1 4 55565 0.1334 0.2595 -0.17794 2011 1 5 55566 0.1318 0.2588 -0.17850 2011 1 6 55567 0.1301 0.2582 -0.17919 2011 1 7 55568 0.1285 0.2576 -0.17999 2011 1 8 55569 0.1268 0.2571 -0.18086 2011 1 9 55570 0.1251 0.2566 -0.18176 2011 1 10 55571 0.1235 0.2560 -0.18264 2011 1 11 55572 0.1218 0.2556 -0.18346 2011 1 12 55573 0.1201 0.2551 -0.18419 2011 1 13 55574 0.1185 0.2547 -0.18481 2011 1 14 55575 0.1168 0.2543 -0.18532 2011 1 15 55576 0.1151 0.2539 -0.18573 2011 1 16 55577 0.1134 0.2536 -0.18607 2011 1 17 55578 0.1118 0.2532 -0.18639 2011 1 18 55579 0.1101 0.2530 -0.18676 2011 1 19 55580 0.1084 0.2527 -0.18728 2011 1 20 55581 0.1067 0.2525 -0.18804 2011 1 21 55582 0.1051 0.2522 -0.18906 2011 1 22 55583 0.1034 0.2521 -0.19031 2011 1 23 55584 0.1017 0.2519 -0.19168 2011 1 24 55585 0.1001 0.2518 -0.19303 2011 1 25 55586 0.0984 0.2517 -0.19427 2011 1 26 55587 0.0968 0.2516 -0.19527 2011 1 27 55588 0.0951 0.2515 -0.19598 2011 1 28 55589 0.0935 0.2515 -0.19638 2011 1 29 55590 0.0919 0.2515 -0.19659 2011 1 30 55591 0.0902 0.2515 -0.19676 2011 1 31 55592 0.0886 0.2516 -0.19693 2011 2 1 55593 0.0870 0.2516 -0.19711 2011 2 2 55594 0.0854 0.2517 -0.19738 2011 2 3 55595 0.0838 0.2519 -0.19776 2011 2 4 55596 0.0822 0.2520 -0.19826 2011 2 5 55597 0.0806 0.2522 -0.19889 2011 2 6 55598 0.0790 0.2524 -0.19954 2011 2 7 55599 0.0775 0.2526 -0.20016 2011 2 8 55600 0.0759 0.2529 -0.20071 2011 2 9 55601 0.0743 0.2531 -0.20126 2011 2 10 55602 0.0728 0.2534 -0.20179 2011 2 11 55603 0.0713 0.2538 -0.20228 2011 2 12 55604 0.0698 0.2541 -0.20272 2011 2 13 55605 0.0683 0.2545 -0.20308 2011 2 14 55606 0.0668 0.2549 -0.20344 2011 2 15 55607 0.0653 0.2553 -0.20388 2011 2 16 55608 0.0638 0.2557 -0.20451 2011 2 17 55609 0.0624 0.2562 -0.20542 2011 2 18 55610 0.0609 0.2567 -0.20661 2011 2 19 55611 0.0595 0.2572 -0.20803 2011 2 20 55612 0.0581 0.2577 -0.20957 2011 2 21 55613 0.0567 0.2583 -0.21107 2011 2 22 55614 0.0553 0.2589 -0.21239 2011 2 23 55615 0.0540 0.2594 -0.21343 2011 2 24 55616 0.0526 0.2601 -0.21423 2011 2 25 55617 0.0513 0.2607 -0.21488 2011 2 26 55618 0.0499 0.2614 -0.21549 2011 2 27 55619 0.0486 0.2620 -0.21607 2011 2 28 55620 0.0473 0.2627 -0.21667 2011 3 1 55621 0.0461 0.2635 -0.21734 2011 3 2 55622 0.0448 0.2642 -0.21813 2011 3 3 55623 0.0436 0.2650 -0.21904 2011 3 4 55624 0.0424 0.2657 -0.22004 2011 3 5 55625 0.0412 0.2665 -0.22107 2011 3 6 55626 0.0400 0.2674 -0.22208 2011 3 7 55627 0.0388 0.2682 -0.22306 2011 3 8 55628 0.0377 0.2690 -0.22397 2011 3 9 55629 0.0365 0.2699 -0.22480 2011 3 10 55630 0.0354 0.2708 -0.22561 2011 3 11 55631 0.0343 0.2717 -0.22638 2011 3 12 55632 0.0333 0.2726 -0.22711 2011 3 13 55633 0.0322 0.2736 -0.22783 2011 3 14 55634 0.0312 0.2745 -0.22863 2011 3 15 55635 0.0302 0.2755 -0.22958 2011 3 16 55636 0.0292 0.2765 -0.23080 2011 3 17 55637 0.0282 0.2775 -0.23231 2011 3 18 55638 0.0273 0.2785 -0.23407 2011 3 19 55639 0.0263 0.2795 -0.23604 2011 3 20 55640 0.0254 0.2805 -0.23806 2011 3 21 55641 0.0245 0.2816 -0.23989 2011 3 22 55642 0.0237 0.2827 -0.24140 2011 3 23 55643 0.0228 0.2837 -0.24258 2011 3 24 55644 0.0220 0.2848 -0.24356 2011 3 25 55645 0.0212 0.2859 -0.24444 2011 3 26 55646 0.0204 0.2871 -0.24528 2011 3 27 55647 0.0197 0.2882 -0.24613 2011 3 28 55648 0.0189 0.2893 -0.24704 2011 3 29 55649 0.0182 0.2905 -0.24808 2011 3 30 55650 0.0175 0.2916 -0.24927 2011 3 31 55651 0.0168 0.2928 -0.25054 2011 4 1 55652 0.0162 0.2940 -0.25185 2011 4 2 55653 0.0156 0.2952 -0.25320 2011 4 3 55654 0.0150 0.2964 -0.25450 2011 4 4 55655 0.0144 0.2976 -0.25574 2011 4 5 55656 0.0138 0.2988 -0.25690 2011 4 6 55657 0.0133 0.3000 -0.25797 2011 4 7 55658 0.0128 0.3013 -0.25895 2011 4 8 55659 0.0123 0.3025 -0.25982 2011 4 9 55660 0.0118 0.3038 -0.26066 2011 4 10 55661 0.0114 0.3050 -0.26153 2011 4 11 55662 0.0110 0.3063 -0.26254 2011 4 12 55663 0.0106 0.3075 -0.26374 2011 4 13 55664 0.0102 0.3088 -0.26518 2011 4 14 55665 0.0098 0.3101 -0.26688 2011 4 15 55666 0.0095 0.3114 -0.26877 2011 4 16 55667 0.0092 0.3126 -0.27074 2011 4 17 55668 0.0089 0.3139 -0.27268 2011 4 18 55669 0.0086 0.3152 -0.27446 2011 4 19 55670 0.0084 0.3165 -0.27600 2011 4 20 55671 0.0082 0.3178 -0.27732 2011 4 21 55672 0.0080 0.3191 -0.27847 2011 4 22 55673 0.0078 0.3204 -0.27954 2011 4 23 55674 0.0076 0.3217 -0.28056 2011 4 24 55675 0.0075 0.3230 -0.28160 2011 4 25 55676 0.0074 0.3243 -0.28268 2011 4 26 55677 0.0073 0.3256 -0.28385 2011 4 27 55678 0.0073 0.3269 -0.28505 2011 4 28 55679 0.0072 0.3282 -0.28628 2011 4 29 55680 0.0072 0.3295 -0.28753 2011 4 30 55681 0.0072 0.3309 -0.28874 2011 5 1 55682 0.0072 0.3322 -0.28988 2011 5 2 55683 0.0073 0.3335 -0.29092 2011 5 3 55684 0.0073 0.3348 -0.29183 2011 5 4 55685 0.0074 0.3361 -0.29262 2011 5 5 55686 0.0075 0.3373 -0.29335 2011 5 6 55687 0.0077 0.3386 -0.29403 2011 5 7 55688 0.0078 0.3399 -0.29475 2011 5 8 55689 0.0080 0.3412 -0.29557 2011 5 9 55690 0.0082 0.3425 -0.29655 2011 5 10 55691 0.0084 0.3438 -0.29772 2011 5 11 55692 0.0086 0.3450 -0.29908 2011 5 12 55693 0.0089 0.3463 -0.30059 2011 5 13 55694 0.0091 0.3476 -0.30220 2011 5 14 55695 0.0094 0.3488 -0.30383 2011 5 15 55696 0.0097 0.3501 -0.30530 2011 5 16 55697 0.0100 0.3513 -0.30656 2011 5 17 55698 0.0104 0.3526 -0.30762 2011 5 18 55699 0.0108 0.3538 -0.30844 2011 5 19 55700 0.0111 0.3550 -0.30908 2011 5 20 55701 0.0115 0.3563 -0.30968 2011 5 21 55702 0.0120 0.3575 -0.31035 2011 5 22 55703 0.0124 0.3587 -0.31112 2011 5 23 55704 0.0129 0.3599 -0.31198 2011 5 24 55705 0.0133 0.3610 -0.31291 2011 5 25 55706 0.0138 0.3622 -0.31383 2011 5 26 55707 0.0143 0.3634 -0.31468 2011 5 27 55708 0.0148 0.3646 -0.31546 2011 5 28 55709 0.0154 0.3657 -0.31613 2011 5 29 55710 0.0159 0.3668 -0.31670 2011 5 30 55711 0.0165 0.3680 -0.31721 2011 5 31 55712 0.0171 0.3691 -0.31764 2011 6 1 55713 0.0177 0.3702 -0.31796 2011 6 2 55714 0.0183 0.3713 -0.31817 2011 6 3 55715 0.0190 0.3724 -0.31831 2011 6 4 55716 0.0196 0.3735 -0.31843 2011 6 5 55717 0.0203 0.3745 -0.31864 2011 6 6 55718 0.0209 0.3756 -0.31899 2011 6 7 55719 0.0216 0.3766 -0.31951 2011 6 8 55720 0.0223 0.3777 -0.32021 2011 6 9 55721 0.0230 0.3787 -0.32103 2011 6 10 55722 0.0238 0.3797 -0.32184 2011 6 11 55723 0.0245 0.3807 -0.32259 2011 6 12 55724 0.0253 0.3816 -0.32320 2011 6 13 55725 0.0260 0.3826 -0.32358 2011 6 14 55726 0.0268 0.3836 -0.32376 2011 6 15 55727 0.0276 0.3845 -0.32379 2011 6 16 55728 0.0284 0.3854 -0.32376 2011 6 17 55729 0.0292 0.3863 -0.32373 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) 55345 -63.48 0.22 -10.46 0.34 55346 -63.21 0.22 -10.30 0.34 55347 -63.15 0.17 -10.06 0.34 55348 -63.25 0.74 -9.94 0.34 55349 -63.35 0.11 -10.02 0.34 55350 -63.39 0.11 -10.23 0.34 55351 -63.37 0.11 -10.38 0.34 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55345 -0.302 0.088 -0.102 0.340 55346 -0.238 0.088 -0.091 0.340 55347 -0.190 0.068 -0.073 0.340 55348 -0.160 0.294 -0.058 0.340 55349 -0.131 0.044 -0.043 0.340 55350 -0.114 0.044 -0.052 0.340 55351 -0.113 0.044 -0.067 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.