********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 8 July 2010 Vol. XXIII No. 027 ______________________________________________________________________ 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 7 2 55379 0.06460 .00009 0.48351 .00009 -0.056854 0.000014 10 7 3 55380 0.06794 .00009 0.48384 .00009 -0.056881 0.000014 10 7 4 55381 0.07107 .00010 0.48397 .00009 -0.056905 0.000012 10 7 5 55382 0.07440 .00010 0.48402 .00009 -0.056856 0.000012 10 7 6 55383 0.07781 .00010 0.48408 .00009 -0.056676 0.000012 10 7 7 55384 0.08095 .00009 0.48423 .00009 -0.056334 0.000011 10 7 8 55385 0.08373 .00009 0.48427 .00009 -0.055833 0.000008 _______________________________________________________________________ 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 = 0.1046 + 0.0574 cos A + 0.0838 sin A - 0.0810 cos C + 0.0561 sin C y = 0.3487 + 0.0756 cos A - 0.0526 sin A + 0.0561 cos C + 0.0810 sin C UT1-UTC = -0.0391 - 0.00084 (MJD - 55393) - (UT2-UT1) where A = 2*pi*(MJD-55385)/365.25 and C = 2*pi*(MJD-55385)/435. TAI-UTC(MJD 55386) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55385)**0.80 S t = 0.00025 (MJD-55385)**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 9 55386 0.0864 0.4844 -0.05521 2010 7 10 55387 0.0889 0.4843 -0.05455 2010 7 11 55388 0.0913 0.4843 -0.05393 2010 7 12 55389 0.0936 0.4842 -0.05346 2010 7 13 55390 0.0959 0.4841 -0.05320 2010 7 14 55391 0.0981 0.4840 -0.05319 2010 7 15 55392 0.1004 0.4838 -0.05335 2010 7 16 55393 0.1026 0.4836 -0.05359 2010 7 17 55394 0.1048 0.4834 -0.05375 2010 7 18 55395 0.1070 0.4831 -0.05373 2010 7 19 55396 0.1091 0.4828 -0.05350 2010 7 20 55397 0.1113 0.4825 -0.05304 2010 7 21 55398 0.1134 0.4821 -0.05240 2010 7 22 55399 0.1156 0.4817 -0.05166 2010 7 23 55400 0.1177 0.4813 -0.05089 2010 7 24 55401 0.1198 0.4808 -0.05015 2010 7 25 55402 0.1219 0.4803 -0.04950 2010 7 26 55403 0.1240 0.4798 -0.04898 2010 7 27 55404 0.1261 0.4792 -0.04857 2010 7 28 55405 0.1281 0.4786 -0.04830 2010 7 29 55406 0.1301 0.4780 -0.04811 2010 7 30 55407 0.1322 0.4774 -0.04799 2010 7 31 55408 0.1342 0.4767 -0.04789 2010 8 1 55409 0.1362 0.4760 -0.04776 2010 8 2 55410 0.1381 0.4752 -0.04759 2010 8 3 55411 0.1401 0.4744 -0.04734 2010 8 4 55412 0.1420 0.4736 -0.04699 2010 8 5 55413 0.1440 0.4728 -0.04656 2010 8 6 55414 0.1459 0.4719 -0.04610 2010 8 7 55415 0.1477 0.4710 -0.04570 2010 8 8 55416 0.1496 0.4701 -0.04546 2010 8 9 55417 0.1514 0.4691 -0.04549 2010 8 10 55418 0.1533 0.4682 -0.04584 2010 8 11 55419 0.1551 0.4671 -0.04648 2010 8 12 55420 0.1568 0.4661 -0.04730 2010 8 13 55421 0.1586 0.4650 -0.04816 2010 8 14 55422 0.1603 0.4639 -0.04890 2010 8 15 55423 0.1620 0.4628 -0.04942 2010 8 16 55424 0.1637 0.4617 -0.04969 2010 8 17 55425 0.1654 0.4605 -0.04973 2010 8 18 55426 0.1670 0.4593 -0.04962 2010 8 19 55427 0.1686 0.4581 -0.04944 2010 8 20 55428 0.1702 0.4568 -0.04927 2010 8 21 55429 0.1718 0.4555 -0.04915 2010 8 22 55430 0.1733 0.4542 -0.04914 2010 8 23 55431 0.1748 0.4529 -0.04926 2010 8 24 55432 0.1763 0.4516 -0.04953 2010 8 25 55433 0.1778 0.4502 -0.04992 2010 8 26 55434 0.1792 0.4488 -0.05040 2010 8 27 55435 0.1806 0.4474 -0.05091 2010 8 28 55436 0.1820 0.4460 -0.05141 2010 8 29 55437 0.1833 0.4445 -0.05184 2010 8 30 55438 0.1847 0.4430 -0.05219 2010 8 31 55439 0.1859 0.4416 -0.05243 2010 9 1 55440 0.1872 0.4400 -0.05259 2010 9 2 55441 0.1884 0.4385 -0.05268 2010 9 3 55442 0.1897 0.4369 -0.05278 2010 9 4 55443 0.1908 0.4354 -0.05298 2010 9 5 55444 0.1920 0.4338 -0.05338 2010 9 6 55445 0.1931 0.4322 -0.05406 2010 9 7 55446 0.1942 0.4306 -0.05504 2010 9 8 55447 0.1952 0.4289 -0.05625 2010 9 9 55448 0.1962 0.4273 -0.05757 2010 9 10 55449 0.1972 0.4256 -0.05883 2010 9 11 55450 0.1982 0.4239 -0.05989 2010 9 12 55451 0.1991 0.4222 -0.06068 2010 9 13 55452 0.2000 0.4205 -0.06120 2010 9 14 55453 0.2009 0.4187 -0.06152 2010 9 15 55454 0.2017 0.4170 -0.06174 2010 9 16 55455 0.2025 0.4152 -0.06193 2010 9 17 55456 0.2033 0.4135 -0.06217 2010 9 18 55457 0.2041 0.4117 -0.06253 2010 9 19 55458 0.2048 0.4099 -0.06302 2010 9 20 55459 0.2054 0.4081 -0.06366 2010 9 21 55460 0.2061 0.4063 -0.06442 2010 9 22 55461 0.2067 0.4045 -0.06528 2010 9 23 55462 0.2073 0.4026 -0.06619 2010 9 24 55463 0.2078 0.4008 -0.06710 2010 9 25 55464 0.2083 0.3990 -0.06796 2010 9 26 55465 0.2088 0.3971 -0.06873 2010 9 27 55466 0.2092 0.3952 -0.06941 2010 9 28 55467 0.2097 0.3934 -0.06998 2010 9 29 55468 0.2100 0.3915 -0.07049 2010 9 30 55469 0.2104 0.3896 -0.07099 2010 10 1 55470 0.2107 0.3877 -0.07155 2010 10 2 55471 0.2110 0.3859 -0.07226 2010 10 3 55472 0.2112 0.3840 -0.07321 2010 10 4 55473 0.2114 0.3821 -0.07444 2010 10 5 55474 0.2116 0.3802 -0.07594 2010 10 6 55475 0.2118 0.3783 -0.07762 2010 10 7 55476 0.2119 0.3764 -0.07934 2010 10 8 55477 0.2120 0.3745 -0.08096 2010 10 9 55478 0.2120 0.3726 -0.08235 2010 10 10 55479 0.2120 0.3707 -0.08348 2010 10 11 55480 0.2120 0.3687 -0.08438 2010 10 12 55481 0.2120 0.3668 -0.08512 2010 10 13 55482 0.2119 0.3649 -0.08580 2010 10 14 55483 0.2118 0.3630 -0.08651 2010 10 15 55484 0.2117 0.3611 -0.08731 2010 10 16 55485 0.2115 0.3592 -0.08822 2010 10 17 55486 0.2113 0.3574 -0.08925 2010 10 18 55487 0.2110 0.3555 -0.09039 2010 10 19 55488 0.2108 0.3536 -0.09162 2010 10 20 55489 0.2105 0.3517 -0.09289 2010 10 21 55490 0.2101 0.3498 -0.09417 2010 10 22 55491 0.2098 0.3480 -0.09538 2010 10 23 55492 0.2094 0.3461 -0.09650 2010 10 24 55493 0.2089 0.3442 -0.09750 2010 10 25 55494 0.2085 0.3424 -0.09835 2010 10 26 55495 0.2080 0.3406 -0.09911 2010 10 27 55496 0.2075 0.3387 -0.09982 2010 10 28 55497 0.2069 0.3369 -0.10056 2010 10 29 55498 0.2064 0.3351 -0.10142 2010 10 30 55499 0.2058 0.3333 -0.10245 2010 10 31 55500 0.2051 0.3315 -0.10372 2010 11 1 55501 0.2045 0.3297 -0.10522 2010 11 2 55502 0.2038 0.3279 -0.10690 2010 11 3 55503 0.2031 0.3262 -0.10866 2010 11 4 55504 0.2023 0.3244 -0.11038 2010 11 5 55505 0.2015 0.3227 -0.11192 2010 11 6 55506 0.2007 0.3210 -0.11323 2010 11 7 55507 0.1999 0.3192 -0.11430 2010 11 8 55508 0.1991 0.3175 -0.11518 2010 11 9 55509 0.1982 0.3159 -0.11595 2010 11 10 55510 0.1973 0.3142 -0.11671 2010 11 11 55511 0.1963 0.3125 -0.11753 2010 11 12 55512 0.1954 0.3109 -0.11844 2010 11 13 55513 0.1944 0.3093 -0.11947 2010 11 14 55514 0.1934 0.3077 -0.12060 2010 11 15 55515 0.1923 0.3061 -0.12181 2010 11 16 55516 0.1913 0.3045 -0.12307 2010 11 17 55517 0.1902 0.3029 -0.12432 2010 11 18 55518 0.1891 0.3014 -0.12553 2010 11 19 55519 0.1880 0.2999 -0.12665 2010 11 20 55520 0.1868 0.2984 -0.12765 2010 11 21 55521 0.1856 0.2969 -0.12853 2010 11 22 55522 0.1844 0.2954 -0.12929 2010 11 23 55523 0.1832 0.2940 -0.12998 2010 11 24 55524 0.1820 0.2925 -0.13067 2010 11 25 55525 0.1807 0.2911 -0.13144 2010 11 26 55526 0.1794 0.2897 -0.13236 2010 11 27 55527 0.1781 0.2884 -0.13349 2010 11 28 55528 0.1768 0.2870 -0.13481 2010 11 29 55529 0.1755 0.2857 -0.13630 2010 11 30 55530 0.1741 0.2844 -0.13786 2010 12 1 55531 0.1727 0.2831 -0.13938 2010 12 2 55532 0.1714 0.2818 -0.14077 2010 12 3 55533 0.1699 0.2806 -0.14195 2010 12 4 55534 0.1685 0.2794 -0.14290 2010 12 5 55535 0.1671 0.2782 -0.14364 2010 12 6 55536 0.1656 0.2770 -0.14425 2010 12 7 55537 0.1641 0.2759 -0.14482 2010 12 8 55538 0.1626 0.2747 -0.14542 2010 12 9 55539 0.1611 0.2736 -0.14610 2010 12 10 55540 0.1596 0.2726 -0.14689 2010 12 11 55541 0.1581 0.2715 -0.14778 2010 12 12 55542 0.1565 0.2705 -0.14875 2010 12 13 55543 0.1550 0.2695 -0.14977 2010 12 14 55544 0.1534 0.2685 -0.15078 2010 12 15 55545 0.1518 0.2676 -0.15176 2010 12 16 55546 0.1502 0.2666 -0.15266 2010 12 17 55547 0.1486 0.2657 -0.15344 2010 12 18 55548 0.1470 0.2649 -0.15410 2010 12 19 55549 0.1454 0.2640 -0.15464 2010 12 20 55550 0.1438 0.2632 -0.15509 2010 12 21 55551 0.1421 0.2624 -0.15552 2010 12 22 55552 0.1405 0.2616 -0.15601 2010 12 23 55553 0.1388 0.2609 -0.15664 2010 12 24 55554 0.1371 0.2601 -0.15748 2010 12 25 55555 0.1354 0.2594 -0.15854 2010 12 26 55556 0.1338 0.2588 -0.15977 2010 12 27 55557 0.1321 0.2581 -0.16108 2010 12 28 55558 0.1304 0.2575 -0.16236 2010 12 29 55559 0.1287 0.2569 -0.16351 2010 12 30 55560 0.1270 0.2564 -0.16446 2010 12 31 55561 0.1253 0.2558 -0.16519 2011 1 1 55562 0.1236 0.2553 -0.16573 2011 1 2 55563 0.1219 0.2549 -0.16613 2011 1 3 55564 0.1201 0.2544 -0.16647 2011 1 4 55565 0.1184 0.2540 -0.16685 2011 1 5 55566 0.1167 0.2536 -0.16731 2011 1 6 55567 0.1150 0.2532 -0.16790 2011 1 7 55568 0.1133 0.2529 -0.16862 2011 1 8 55569 0.1115 0.2526 -0.16945 2011 1 9 55570 0.1098 0.2523 -0.17036 2011 1 10 55571 0.1081 0.2520 -0.17131 2011 1 11 55572 0.1064 0.2518 -0.17226 2011 1 12 55573 0.1046 0.2516 -0.17317 2011 1 13 55574 0.1029 0.2514 -0.17401 2011 1 14 55575 0.1012 0.2512 -0.17476 2011 1 15 55576 0.0995 0.2511 -0.17542 2011 1 16 55577 0.0978 0.2510 -0.17601 2011 1 17 55578 0.0961 0.2510 -0.17657 2011 1 18 55579 0.0944 0.2509 -0.17716 2011 1 19 55580 0.0927 0.2509 -0.17786 2011 1 20 55581 0.0910 0.2509 -0.17874 2011 1 21 55582 0.0893 0.2509 -0.17983 2011 1 22 55583 0.0877 0.2510 -0.18111 2011 1 23 55584 0.0860 0.2511 -0.18250 2011 1 24 55585 0.0843 0.2512 -0.18386 2011 1 25 55586 0.0827 0.2514 -0.18508 2011 1 26 55587 0.0810 0.2515 -0.18609 2011 1 27 55588 0.0794 0.2517 -0.18685 2011 1 28 55589 0.0777 0.2519 -0.18739 2011 1 29 55590 0.0761 0.2522 -0.18779 2011 1 30 55591 0.0745 0.2525 -0.18811 2011 1 31 55592 0.0729 0.2527 -0.18846 2011 2 1 55593 0.0713 0.2531 -0.18889 2011 2 2 55594 0.0697 0.2534 -0.18946 2011 2 3 55595 0.0682 0.2538 -0.19021 2011 2 4 55596 0.0666 0.2542 -0.19114 2011 2 5 55597 0.0651 0.2546 -0.19221 2011 2 6 55598 0.0636 0.2551 -0.19339 2011 2 7 55599 0.0620 0.2555 -0.19462 2011 2 8 55600 0.0605 0.2560 -0.19583 2011 2 9 55601 0.0590 0.2565 -0.19696 2011 2 10 55602 0.0576 0.2571 -0.19799 2011 2 11 55603 0.0561 0.2576 -0.19889 2011 2 12 55604 0.0546 0.2582 -0.19970 2011 2 13 55605 0.0532 0.2588 -0.20044 2011 2 14 55606 0.0518 0.2595 -0.20114 2011 2 15 55607 0.0504 0.2601 -0.20189 2011 2 16 55608 0.0490 0.2608 -0.20275 2011 2 17 55609 0.0476 0.2615 -0.20381 2011 2 18 55610 0.0463 0.2622 -0.20511 2011 2 19 55611 0.0450 0.2630 -0.20664 2011 2 20 55612 0.0436 0.2637 -0.20827 2011 2 21 55613 0.0423 0.2645 -0.20984 2011 2 22 55614 0.0411 0.2653 -0.21117 2011 2 23 55615 0.0398 0.2661 -0.21226 2011 2 24 55616 0.0386 0.2670 -0.21316 2011 2 25 55617 0.0373 0.2678 -0.21392 2011 2 26 55618 0.0361 0.2687 -0.21457 2011 2 27 55619 0.0349 0.2696 -0.21520 2011 2 28 55620 0.0338 0.2705 -0.21586 2011 3 1 55621 0.0326 0.2715 -0.21664 2011 3 2 55622 0.0315 0.2724 -0.21759 2011 3 3 55623 0.0304 0.2734 -0.21868 2011 3 4 55624 0.0293 0.2744 -0.21989 2011 3 5 55625 0.0282 0.2754 -0.22115 2011 3 6 55626 0.0272 0.2764 -0.22238 2011 3 7 55627 0.0262 0.2774 -0.22356 2011 3 8 55628 0.0252 0.2785 -0.22468 2011 3 9 55629 0.0242 0.2796 -0.22567 2011 3 10 55630 0.0232 0.2806 -0.22648 2011 3 11 55631 0.0223 0.2817 -0.22710 2011 3 12 55632 0.0214 0.2829 -0.22762 2011 3 13 55633 0.0205 0.2840 -0.22816 2011 3 14 55634 0.0196 0.2851 -0.22875 2011 3 15 55635 0.0188 0.2863 -0.22942 2011 3 16 55636 0.0180 0.2875 -0.23029 2011 3 17 55637 0.0172 0.2886 -0.23141 2011 3 18 55638 0.0164 0.2898 -0.23280 2011 3 19 55639 0.0157 0.2910 -0.23438 2011 3 20 55640 0.0149 0.2923 -0.23598 2011 3 21 55641 0.0142 0.2935 -0.23744 2011 3 22 55642 0.0135 0.2947 -0.23864 2011 3 23 55643 0.0129 0.2960 -0.23966 2011 3 24 55644 0.0123 0.2972 -0.24053 2011 3 25 55645 0.0116 0.2985 -0.24131 2011 3 26 55646 0.0111 0.2998 -0.24207 2011 3 27 55647 0.0105 0.3011 -0.24283 2011 3 28 55648 0.0100 0.3024 -0.24364 2011 3 29 55649 0.0095 0.3037 -0.24453 2011 3 30 55650 0.0090 0.3050 -0.24551 2011 3 31 55651 0.0085 0.3063 -0.24661 2011 4 1 55652 0.0081 0.3076 -0.24776 2011 4 2 55653 0.0077 0.3089 -0.24894 2011 4 3 55654 0.0073 0.3103 -0.25012 2011 4 4 55655 0.0069 0.3116 -0.25125 2011 4 5 55656 0.0066 0.3130 -0.25226 2011 4 6 55657 0.0063 0.3143 -0.25314 2011 4 7 55658 0.0060 0.3157 -0.25390 2011 4 8 55659 0.0057 0.3170 -0.25462 2011 4 9 55660 0.0055 0.3184 -0.25535 2011 4 10 55661 0.0052 0.3198 -0.25608 2011 4 11 55662 0.0051 0.3212 -0.25688 2011 4 12 55663 0.0049 0.3225 -0.25782 2011 4 13 55664 0.0047 0.3239 -0.25897 2011 4 14 55665 0.0046 0.3253 -0.26036 2011 4 15 55666 0.0045 0.3267 -0.26194 2011 4 16 55667 0.0045 0.3280 -0.26359 2011 4 17 55668 0.0044 0.3294 -0.26517 2011 4 18 55669 0.0044 0.3308 -0.26658 2011 4 19 55670 0.0044 0.3322 -0.26774 2011 4 20 55671 0.0044 0.3336 -0.26866 2011 4 21 55672 0.0045 0.3350 -0.26948 2011 4 22 55673 0.0045 0.3363 -0.27024 2011 4 23 55674 0.0046 0.3377 -0.27101 2011 4 24 55675 0.0047 0.3391 -0.27184 2011 4 25 55676 0.0049 0.3405 -0.27276 2011 4 26 55677 0.0051 0.3418 -0.27378 2011 4 27 55678 0.0052 0.3432 -0.27491 2011 4 28 55679 0.0055 0.3446 -0.27611 2011 4 29 55680 0.0057 0.3459 -0.27731 2011 4 30 55681 0.0059 0.3473 -0.27851 2011 5 1 55682 0.0062 0.3486 -0.27964 2011 5 2 55683 0.0065 0.3500 -0.28059 2011 5 3 55684 0.0068 0.3513 -0.28132 2011 5 4 55685 0.0072 0.3526 -0.28186 2011 5 5 55686 0.0075 0.3540 -0.28233 2011 5 6 55687 0.0079 0.3553 -0.28279 2011 5 7 55688 0.0083 0.3566 -0.28325 2011 5 8 55689 0.0088 0.3579 -0.28375 2011 5 9 55690 0.0092 0.3592 -0.28436 2011 5 10 55691 0.0097 0.3605 -0.28518 2011 5 11 55692 0.0102 0.3618 -0.28624 2011 5 12 55693 0.0107 0.3631 -0.28748 2011 5 13 55694 0.0112 0.3644 -0.28881 2011 5 14 55695 0.0118 0.3656 -0.29016 2011 5 15 55696 0.0123 0.3669 -0.29139 2011 5 16 55697 0.0129 0.3681 -0.29242 2011 5 17 55698 0.0135 0.3693 -0.29323 2011 5 18 55699 0.0142 0.3706 -0.29385 2011 5 19 55700 0.0148 0.3718 -0.29433 2011 5 20 55701 0.0155 0.3730 -0.29475 2011 5 21 55702 0.0161 0.3742 -0.29520 2011 5 22 55703 0.0168 0.3753 -0.29573 2011 5 23 55704 0.0176 0.3765 -0.29640 2011 5 24 55705 0.0183 0.3777 -0.29716 2011 5 25 55706 0.0190 0.3788 -0.29797 2011 5 26 55707 0.0198 0.3799 -0.29881 2011 5 27 55708 0.0206 0.3811 -0.29961 2011 5 28 55709 0.0214 0.3822 -0.30032 2011 5 29 55710 0.0222 0.3833 -0.30091 2011 5 30 55711 0.0230 0.3843 -0.30138 2011 5 31 55712 0.0239 0.3854 -0.30174 2011 6 1 55713 0.0247 0.3864 -0.30201 2011 6 2 55714 0.0256 0.3875 -0.30224 2011 6 3 55715 0.0265 0.3885 -0.30246 2011 6 4 55716 0.0274 0.3895 -0.30269 2011 6 5 55717 0.0283 0.3905 -0.30300 2011 6 6 55718 0.0292 0.3915 -0.30344 2011 6 7 55719 0.0301 0.3925 -0.30404 2011 6 8 55720 0.0311 0.3934 -0.30479 2011 6 9 55721 0.0320 0.3943 -0.30561 2011 6 10 55722 0.0330 0.3953 -0.30646 2011 6 11 55723 0.0340 0.3962 -0.30723 2011 6 12 55724 0.0350 0.3970 -0.30783 2011 6 13 55725 0.0360 0.3979 -0.30823 2011 6 14 55726 0.0370 0.3988 -0.30840 2011 6 15 55727 0.0380 0.3996 -0.30843 2011 6 16 55728 0.0391 0.4004 -0.30842 2011 6 17 55729 0.0401 0.4012 -0.30843 2011 6 18 55730 0.0412 0.4020 -0.30856 2011 6 19 55731 0.0422 0.4028 -0.30883 2011 6 20 55732 0.0433 0.4035 -0.30922 2011 6 21 55733 0.0444 0.4043 -0.30969 2011 6 22 55734 0.0454 0.4050 -0.31017 2011 6 23 55735 0.0465 0.4057 -0.31061 2011 6 24 55736 0.0476 0.4063 -0.31096 2011 6 25 55737 0.0487 0.4070 -0.31123 2011 6 26 55738 0.0498 0.4077 -0.31133 2011 6 27 55739 0.0510 0.4083 -0.31130 2011 6 28 55740 0.0521 0.4089 -0.31119 2011 6 29 55741 0.0532 0.4095 -0.31098 2011 6 30 55742 0.0543 0.4101 -0.31071 2011 7 1 55743 0.0555 0.4106 -0.31050 2011 7 2 55744 0.0566 0.4111 -0.31042 2011 7 3 55745 0.0577 0.4117 -0.31055 2011 7 4 55746 0.0589 0.4122 -0.31088 2011 7 5 55747 0.0600 0.4126 -0.31140 2011 7 6 55748 0.0612 0.4131 -0.31198 2011 7 7 55749 0.0623 0.4135 -0.31253 2011 7 8 55750 0.0635 0.4140 -0.31296 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) 55366 -66.02 0.74 -9.64 0.11 55367 -66.14 0.17 -9.63 0.34 55368 -66.16 0.17 -9.60 0.34 55369 -66.25 0.23 -9.58 0.34 55370 -66.49 0.24 -9.61 0.34 55371 -66.73 0.24 -9.74 0.34 55372 -66.78 0.24 -9.91 0.34 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55366 -0.068 0.294 0.038 0.110 55367 -0.071 0.068 0.057 0.340 55368 -0.070 0.068 0.058 0.340 55369 -0.053 0.091 0.037 0.340 55370 -0.036 0.095 0.026 0.340 55371 -0.023 0.095 0.017 0.340 55372 0.000 0.095 0.024 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.