********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 11 November 2010 Vol. XXIII No. 045 ______________________________________________________________________ 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 11 5 55505 0.22041 .00010 0.28945 .00009 -0.097722 0.000009 10 11 6 55506 0.22025 .00010 0.28724 .00009 -0.099069 0.000012 10 11 7 55507 0.21944 .00010 0.28530 .00009 -0.100160 0.000012 10 11 8 55508 0.21775 .00010 0.28303 .00009 -0.100974 0.000012 10 11 9 55509 0.21621 .00010 0.28069 .00009 -0.101651 0.000011 10 11 10 55510 0.21503 .00010 0.27867 .00009 -0.102251 0.000012 10 11 11 55511 0.21370 .00010 0.27690 .00010 -0.102870 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 = 0.0928 + 0.0891 cos A - 0.0921 sin A + 0.0372 cos C + 0.0289 sin C y = 0.3348 - 0.0855 cos A - 0.0738 sin A + 0.0289 cos C - 0.0372 sin C UT1-UTC = -0.1113 - 0.00078 (MJD - 55519) - (UT2-UT1) where A = 2*pi*(MJD-55511)/365.25 and C = 2*pi*(MJD-55511)/435. TAI-UTC(MJD 55512) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55511)**0.80 S t = 0.00025 (MJD-55511)**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 11 12 55512 0.2125 0.2751 -0.10358 2010 11 13 55513 0.2111 0.2734 -0.10439 2010 11 14 55514 0.2098 0.2717 -0.10534 2010 11 15 55515 0.2084 0.2701 -0.10640 2010 11 16 55516 0.2070 0.2684 -0.10750 2010 11 17 55517 0.2056 0.2668 -0.10856 2010 11 18 55518 0.2043 0.2652 -0.10951 2010 11 19 55519 0.2028 0.2637 -0.11035 2010 11 20 55520 0.2014 0.2621 -0.11106 2010 11 21 55521 0.2000 0.2606 -0.11171 2010 11 22 55522 0.1985 0.2591 -0.11227 2010 11 23 55523 0.1970 0.2577 -0.11276 2010 11 24 55524 0.1955 0.2563 -0.11324 2010 11 25 55525 0.1940 0.2549 -0.11383 2010 11 26 55526 0.1924 0.2535 -0.11462 2010 11 27 55527 0.1909 0.2521 -0.11564 2010 11 28 55528 0.1893 0.2508 -0.11687 2010 11 29 55529 0.1877 0.2495 -0.11826 2010 11 30 55530 0.1861 0.2482 -0.11969 2010 12 1 55531 0.1844 0.2469 -0.12107 2010 12 2 55532 0.1828 0.2457 -0.12231 2010 12 3 55533 0.1811 0.2445 -0.12335 2010 12 4 55534 0.1794 0.2433 -0.12416 2010 12 5 55535 0.1777 0.2422 -0.12478 2010 12 6 55536 0.1759 0.2411 -0.12528 2010 12 7 55537 0.1742 0.2400 -0.12575 2010 12 8 55538 0.1724 0.2389 -0.12627 2010 12 9 55539 0.1707 0.2379 -0.12690 2010 12 10 55540 0.1689 0.2369 -0.12765 2010 12 11 55541 0.1671 0.2359 -0.12852 2010 12 12 55542 0.1653 0.2349 -0.12947 2010 12 13 55543 0.1634 0.2340 -0.13045 2010 12 14 55544 0.1616 0.2331 -0.13142 2010 12 15 55545 0.1597 0.2322 -0.13232 2010 12 16 55546 0.1579 0.2314 -0.13313 2010 12 17 55547 0.1560 0.2306 -0.13380 2010 12 18 55548 0.1541 0.2298 -0.13434 2010 12 19 55549 0.1522 0.2291 -0.13473 2010 12 20 55550 0.1503 0.2283 -0.13502 2010 12 21 55551 0.1484 0.2277 -0.13529 2010 12 22 55552 0.1465 0.2270 -0.13560 2010 12 23 55553 0.1446 0.2264 -0.13606 2010 12 24 55554 0.1426 0.2258 -0.13672 2010 12 25 55555 0.1407 0.2252 -0.13760 2010 12 26 55556 0.1388 0.2247 -0.13865 2010 12 27 55557 0.1368 0.2242 -0.13979 2010 12 28 55558 0.1349 0.2237 -0.14089 2010 12 29 55559 0.1329 0.2232 -0.14188 2010 12 30 55560 0.1309 0.2228 -0.14266 2010 12 31 55561 0.1290 0.2224 -0.14324 2011 1 1 55562 0.1270 0.2221 -0.14362 2011 1 2 55563 0.1250 0.2217 -0.14387 2011 1 3 55564 0.1231 0.2215 -0.14406 2011 1 4 55565 0.1211 0.2212 -0.14428 2011 1 5 55566 0.1191 0.2210 -0.14458 2011 1 6 55567 0.1172 0.2208 -0.14501 2011 1 7 55568 0.1152 0.2206 -0.14557 2011 1 8 55569 0.1132 0.2204 -0.14623 2011 1 9 55570 0.1113 0.2203 -0.14697 2011 1 10 55571 0.1093 0.2203 -0.14773 2011 1 11 55572 0.1074 0.2202 -0.14847 2011 1 12 55573 0.1054 0.2202 -0.14916 2011 1 13 55574 0.1035 0.2202 -0.14975 2011 1 14 55575 0.1015 0.2202 -0.15022 2011 1 15 55576 0.0996 0.2203 -0.15058 2011 1 16 55577 0.0976 0.2204 -0.15086 2011 1 17 55578 0.0957 0.2205 -0.15110 2011 1 18 55579 0.0938 0.2207 -0.15138 2011 1 19 55580 0.0919 0.2209 -0.15180 2011 1 20 55581 0.0899 0.2211 -0.15244 2011 1 21 55582 0.0880 0.2214 -0.15334 2011 1 22 55583 0.0862 0.2216 -0.15446 2011 1 23 55584 0.0843 0.2220 -0.15571 2011 1 24 55585 0.0824 0.2223 -0.15698 2011 1 25 55586 0.0805 0.2227 -0.15813 2011 1 26 55587 0.0787 0.2231 -0.15907 2011 1 27 55588 0.0768 0.2235 -0.15977 2011 1 28 55589 0.0750 0.2239 -0.16027 2011 1 29 55590 0.0732 0.2244 -0.16061 2011 1 30 55591 0.0714 0.2249 -0.16088 2011 1 31 55592 0.0696 0.2255 -0.16117 2011 2 1 55593 0.0678 0.2260 -0.16152 2011 2 2 55594 0.0661 0.2266 -0.16199 2011 2 3 55595 0.0643 0.2272 -0.16259 2011 2 4 55596 0.0626 0.2279 -0.16331 2011 2 5 55597 0.0608 0.2285 -0.16412 2011 2 6 55598 0.0591 0.2292 -0.16498 2011 2 7 55599 0.0574 0.2300 -0.16585 2011 2 8 55600 0.0558 0.2307 -0.16668 2011 2 9 55601 0.0541 0.2315 -0.16744 2011 2 10 55602 0.0525 0.2323 -0.16809 2011 2 11 55603 0.0509 0.2331 -0.16865 2011 2 12 55604 0.0493 0.2340 -0.16913 2011 2 13 55605 0.0477 0.2348 -0.16957 2011 2 14 55606 0.0461 0.2357 -0.17004 2011 2 15 55607 0.0446 0.2367 -0.17062 2011 2 16 55608 0.0430 0.2376 -0.17141 2011 2 17 55609 0.0415 0.2386 -0.17248 2011 2 18 55610 0.0400 0.2396 -0.17383 2011 2 19 55611 0.0386 0.2406 -0.17540 2011 2 20 55612 0.0371 0.2416 -0.17708 2011 2 21 55613 0.0357 0.2427 -0.17872 2011 2 22 55614 0.0343 0.2438 -0.18017 2011 2 23 55615 0.0329 0.2449 -0.18138 2011 2 24 55616 0.0316 0.2460 -0.18235 2011 2 25 55617 0.0302 0.2471 -0.18313 2011 2 26 55618 0.0289 0.2483 -0.18380 2011 2 27 55619 0.0276 0.2495 -0.18445 2011 2 28 55620 0.0264 0.2507 -0.18512 2011 3 1 55621 0.0251 0.2519 -0.18588 2011 3 2 55622 0.0239 0.2531 -0.18677 2011 3 3 55623 0.0227 0.2544 -0.18778 2011 3 4 55624 0.0215 0.2556 -0.18890 2011 3 5 55625 0.0204 0.2569 -0.19008 2011 3 6 55626 0.0193 0.2582 -0.19128 2011 3 7 55627 0.0182 0.2596 -0.19244 2011 3 8 55628 0.0171 0.2609 -0.19354 2011 3 9 55629 0.0161 0.2623 -0.19454 2011 3 10 55630 0.0151 0.2636 -0.19543 2011 3 11 55631 0.0141 0.2650 -0.19622 2011 3 12 55632 0.0131 0.2664 -0.19695 2011 3 13 55633 0.0122 0.2678 -0.19767 2011 3 14 55634 0.0112 0.2693 -0.19845 2011 3 15 55635 0.0104 0.2707 -0.19937 2011 3 16 55636 0.0095 0.2722 -0.20053 2011 3 17 55637 0.0087 0.2736 -0.20196 2011 3 18 55638 0.0079 0.2751 -0.20365 2011 3 19 55639 0.0071 0.2766 -0.20551 2011 3 20 55640 0.0064 0.2781 -0.20741 2011 3 21 55641 0.0056 0.2796 -0.20920 2011 3 22 55642 0.0049 0.2812 -0.21076 2011 3 23 55643 0.0043 0.2827 -0.21206 2011 3 24 55644 0.0036 0.2842 -0.21312 2011 3 25 55645 0.0030 0.2858 -0.21404 2011 3 26 55646 0.0025 0.2874 -0.21489 2011 3 27 55647 0.0019 0.2889 -0.21578 2011 3 28 55648 0.0014 0.2905 -0.21674 2011 3 29 55649 0.0009 0.2921 -0.21780 2011 3 30 55650 0.0004 0.2937 -0.21897 2011 3 31 55651 0.0000 0.2953 -0.22022 2011 4 1 55652 -0.0004 0.2969 -0.22154 2011 4 2 55653 -0.0008 0.2985 -0.22287 2011 4 3 55654 -0.0011 0.3001 -0.22417 2011 4 4 55655 -0.0015 0.3017 -0.22540 2011 4 5 55656 -0.0018 0.3033 -0.22653 2011 4 6 55657 -0.0020 0.3050 -0.22753 2011 4 7 55658 -0.0023 0.3066 -0.22842 2011 4 8 55659 -0.0025 0.3082 -0.22922 2011 4 9 55660 -0.0026 0.3099 -0.22998 2011 4 10 55661 -0.0028 0.3115 -0.23075 2011 4 11 55662 -0.0029 0.3131 -0.23162 2011 4 12 55663 -0.0030 0.3148 -0.23265 2011 4 13 55664 -0.0031 0.3164 -0.23391 2011 4 14 55665 -0.0031 0.3181 -0.23540 2011 4 15 55666 -0.0031 0.3197 -0.23710 2011 4 16 55667 -0.0031 0.3213 -0.23889 2011 4 17 55668 -0.0031 0.3230 -0.24065 2011 4 18 55669 -0.0030 0.3246 -0.24224 2011 4 19 55670 -0.0029 0.3262 -0.24358 2011 4 20 55671 -0.0027 0.3279 -0.24466 2011 4 21 55672 -0.0026 0.3295 -0.24554 2011 4 22 55673 -0.0024 0.3311 -0.24632 2011 4 23 55674 -0.0022 0.3328 -0.24708 2011 4 24 55675 -0.0019 0.3344 -0.24790 2011 4 25 55676 -0.0017 0.3360 -0.24880 2011 4 26 55677 -0.0014 0.3376 -0.24979 2011 4 27 55678 -0.0011 0.3392 -0.25086 2011 4 28 55679 -0.0007 0.3408 -0.25197 2011 4 29 55680 -0.0003 0.3424 -0.25310 2011 4 30 55681 0.0001 0.3440 -0.25419 2011 5 1 55682 0.0005 0.3455 -0.25521 2011 5 2 55683 0.0010 0.3471 -0.25612 2011 5 3 55684 0.0014 0.3487 -0.25690 2011 5 4 55685 0.0019 0.3502 -0.25755 2011 5 5 55686 0.0025 0.3518 -0.25810 2011 5 6 55687 0.0030 0.3533 -0.25858 2011 5 7 55688 0.0036 0.3548 -0.25906 2011 5 8 55689 0.0042 0.3564 -0.25958 2011 5 9 55690 0.0048 0.3579 -0.26024 2011 5 10 55691 0.0055 0.3594 -0.26106 2011 5 11 55692 0.0062 0.3608 -0.26208 2011 5 12 55693 0.0069 0.3623 -0.26327 2011 5 13 55694 0.0076 0.3638 -0.26456 2011 5 14 55695 0.0083 0.3652 -0.26585 2011 5 15 55696 0.0091 0.3667 -0.26702 2011 5 16 55697 0.0099 0.3681 -0.26797 2011 5 17 55698 0.0107 0.3695 -0.26866 2011 5 18 55699 0.0115 0.3709 -0.26912 2011 5 19 55700 0.0124 0.3723 -0.26944 2011 5 20 55701 0.0133 0.3737 -0.26971 2011 5 21 55702 0.0142 0.3750 -0.27004 2011 5 22 55703 0.0151 0.3764 -0.27048 2011 5 23 55704 0.0160 0.3777 -0.27106 2011 5 24 55705 0.0170 0.3790 -0.27176 2011 5 25 55706 0.0180 0.3803 -0.27256 2011 5 26 55707 0.0190 0.3816 -0.27343 2011 5 27 55708 0.0200 0.3829 -0.27430 2011 5 28 55709 0.0210 0.3841 -0.27513 2011 5 29 55710 0.0221 0.3853 -0.27587 2011 5 30 55711 0.0232 0.3866 -0.27648 2011 5 31 55712 0.0243 0.3878 -0.27694 2011 6 1 55713 0.0254 0.3889 -0.27725 2011 6 2 55714 0.0265 0.3901 -0.27744 2011 6 3 55715 0.0276 0.3912 -0.27755 2011 6 4 55716 0.0288 0.3924 -0.27764 2011 6 5 55717 0.0300 0.3935 -0.27779 2011 6 6 55718 0.0312 0.3946 -0.27805 2011 6 7 55719 0.0324 0.3957 -0.27846 2011 6 8 55720 0.0336 0.3967 -0.27903 2011 6 9 55721 0.0348 0.3977 -0.27972 2011 6 10 55722 0.0361 0.3988 -0.28049 2011 6 11 55723 0.0373 0.3998 -0.28123 2011 6 12 55724 0.0386 0.4007 -0.28187 2011 6 13 55725 0.0399 0.4017 -0.28233 2011 6 14 55726 0.0412 0.4026 -0.28258 2011 6 15 55727 0.0425 0.4035 -0.28265 2011 6 16 55728 0.0438 0.4044 -0.28263 2011 6 17 55729 0.0451 0.4053 -0.28261 2011 6 18 55730 0.0465 0.4062 -0.28268 2011 6 19 55731 0.0478 0.4070 -0.28286 2011 6 20 55732 0.0492 0.4078 -0.28313 2011 6 21 55733 0.0506 0.4086 -0.28348 2011 6 22 55734 0.0520 0.4094 -0.28386 2011 6 23 55735 0.0534 0.4101 -0.28424 2011 6 24 55736 0.0548 0.4108 -0.28454 2011 6 25 55737 0.0562 0.4115 -0.28475 2011 6 26 55738 0.0576 0.4122 -0.28482 2011 6 27 55739 0.0590 0.4129 -0.28471 2011 6 28 55740 0.0604 0.4135 -0.28442 2011 6 29 55741 0.0619 0.4141 -0.28403 2011 6 30 55742 0.0633 0.4147 -0.28357 2011 7 1 55743 0.0648 0.4153 -0.28316 2011 7 2 55744 0.0662 0.4159 -0.28288 2011 7 3 55745 0.0677 0.4164 -0.28275 2011 7 4 55746 0.0691 0.4169 -0.28279 2011 7 5 55747 0.0706 0.4174 -0.28301 2011 7 6 55748 0.0721 0.4178 -0.28329 2011 7 7 55749 0.0735 0.4183 -0.28357 2011 7 8 55750 0.0750 0.4187 -0.28376 2011 7 9 55751 0.0765 0.4191 -0.28383 2011 7 10 55752 0.0780 0.4194 -0.28376 2011 7 11 55753 0.0794 0.4198 -0.28357 2011 7 12 55754 0.0809 0.4201 -0.28318 2011 7 13 55755 0.0824 0.4204 -0.28259 2011 7 14 55756 0.0839 0.4207 -0.28191 2011 7 15 55757 0.0853 0.4210 -0.28126 2011 7 16 55758 0.0868 0.4212 -0.28067 2011 7 17 55759 0.0883 0.4214 -0.28010 2011 7 18 55760 0.0898 0.4216 -0.27961 2011 7 19 55761 0.0912 0.4218 -0.27921 2011 7 20 55762 0.0927 0.4219 -0.27886 2011 7 21 55763 0.0942 0.4220 -0.27853 2011 7 22 55764 0.0956 0.4221 -0.27815 2011 7 23 55765 0.0971 0.4222 -0.27771 2011 7 24 55766 0.0986 0.4223 -0.27717 2011 7 25 55767 0.1000 0.4223 -0.27645 2011 7 26 55768 0.1015 0.4223 -0.27562 2011 7 27 55769 0.1029 0.4223 -0.27472 2011 7 28 55770 0.1044 0.4223 -0.27393 2011 7 29 55771 0.1058 0.4222 -0.27339 2011 7 30 55772 0.1072 0.4221 -0.27307 2011 7 31 55773 0.1086 0.4221 -0.27304 2011 8 1 55774 0.1100 0.4219 -0.27334 2011 8 2 55775 0.1114 0.4218 -0.27376 2011 8 3 55776 0.1128 0.4216 -0.27422 2011 8 4 55777 0.1142 0.4215 -0.27470 2011 8 5 55778 0.1156 0.4213 -0.27505 2011 8 6 55779 0.1170 0.4210 -0.27524 2011 8 7 55780 0.1184 0.4208 -0.27524 2011 8 8 55781 0.1197 0.4205 -0.27505 2011 8 9 55782 0.1211 0.4203 -0.27483 2011 8 10 55783 0.1224 0.4200 -0.27461 2011 8 11 55784 0.1237 0.4196 -0.27444 2011 8 12 55785 0.1250 0.4193 -0.27437 2011 8 13 55786 0.1263 0.4189 -0.27448 2011 8 14 55787 0.1276 0.4186 -0.27472 2011 8 15 55788 0.1289 0.4182 -0.27506 2011 8 16 55789 0.1302 0.4178 -0.27551 2011 8 17 55790 0.1314 0.4173 -0.27601 2011 8 18 55791 0.1327 0.4169 -0.27645 2011 8 19 55792 0.1339 0.4164 -0.27682 2011 8 20 55793 0.1351 0.4159 -0.27707 2011 8 21 55794 0.1363 0.4154 -0.27720 2011 8 22 55795 0.1375 0.4149 -0.27716 2011 8 23 55796 0.1387 0.4143 -0.27705 2011 8 24 55797 0.1399 0.4138 -0.27690 2011 8 25 55798 0.1410 0.4132 -0.27679 2011 8 26 55799 0.1422 0.4126 -0.27682 2011 8 27 55800 0.1433 0.4120 -0.27706 2011 8 28 55801 0.1444 0.4114 -0.27756 2011 8 29 55802 0.1455 0.4107 -0.27833 2011 8 30 55803 0.1465 0.4101 -0.27935 2011 8 31 55804 0.1476 0.4094 -0.28049 2011 9 1 55805 0.1486 0.4087 -0.28159 2011 9 2 55806 0.1497 0.4080 -0.28250 2011 9 3 55807 0.1507 0.4073 -0.28321 2011 9 4 55808 0.1517 0.4066 -0.28375 2011 9 5 55809 0.1527 0.4059 -0.28413 2011 9 6 55810 0.1536 0.4051 -0.28444 2011 9 7 55811 0.1546 0.4043 -0.28473 2011 9 8 55812 0.1555 0.4035 -0.28501 2011 9 9 55813 0.1564 0.4028 -0.28541 2011 9 10 55814 0.1573 0.4019 -0.28592 2011 9 11 55815 0.1582 0.4011 -0.28651 2011 9 12 55816 0.1590 0.4003 -0.28716 2011 9 13 55817 0.1599 0.3994 -0.28787 2011 9 14 55818 0.1607 0.3986 -0.28858 2011 9 15 55819 0.1615 0.3977 -0.28920 2011 9 16 55820 0.1623 0.3969 -0.28969 2011 9 17 55821 0.1630 0.3960 -0.29004 2011 9 18 55822 0.1638 0.3951 -0.29024 2011 9 19 55823 0.1645 0.3942 -0.29041 2011 9 20 55824 0.1652 0.3932 -0.29061 2011 9 21 55825 0.1659 0.3923 -0.29087 2011 9 22 55826 0.1666 0.3914 -0.29118 2011 9 23 55827 0.1672 0.3904 -0.29167 2011 9 24 55828 0.1678 0.3895 -0.29238 2011 9 25 55829 0.1684 0.3885 -0.29336 2011 9 26 55830 0.1690 0.3876 -0.29460 2011 9 27 55831 0.1696 0.3866 -0.29594 2011 9 28 55832 0.1702 0.3856 -0.29728 2011 9 29 55833 0.1707 0.3846 -0.29848 2011 9 30 55834 0.1712 0.3836 -0.29951 2011 10 1 55835 0.1717 0.3826 -0.30030 2011 10 2 55836 0.1722 0.3816 -0.30091 2011 10 3 55837 0.1726 0.3806 -0.30142 2011 10 4 55838 0.1731 0.3796 -0.30191 2011 10 5 55839 0.1735 0.3786 -0.30241 2011 10 6 55840 0.1739 0.3775 -0.30302 2011 10 7 55841 0.1743 0.3765 -0.30371 2011 10 8 55842 0.1746 0.3755 -0.30450 2011 10 9 55843 0.1750 0.3744 -0.30537 2011 10 10 55844 0.1753 0.3734 -0.30630 2011 10 11 55845 0.1756 0.3723 -0.30730 2011 10 12 55846 0.1759 0.3713 -0.30829 2011 10 13 55847 0.1761 0.3702 -0.30922 2011 10 14 55848 0.1764 0.3692 -0.31006 2011 10 15 55849 0.1766 0.3681 -0.31085 2011 10 16 55850 0.1768 0.3671 -0.31168 2011 10 17 55851 0.1770 0.3660 -0.31250 2011 10 18 55852 0.1771 0.3650 -0.31335 2011 10 19 55853 0.1773 0.3639 -0.31425 2011 10 20 55854 0.1774 0.3628 -0.31528 2011 10 21 55855 0.1775 0.3618 -0.31648 2011 10 22 55856 0.1776 0.3607 -0.31792 2011 10 23 55857 0.1776 0.3597 -0.31956 2011 10 24 55858 0.1777 0.3586 -0.32129 2011 10 25 55859 0.1777 0.3576 -0.32300 2011 10 26 55860 0.1777 0.3565 -0.32457 2011 10 27 55861 0.1777 0.3554 -0.32587 2011 10 28 55862 0.1777 0.3544 -0.32692 2011 10 29 55863 0.1776 0.3533 -0.32778 2011 10 30 55864 0.1776 0.3523 -0.32853 2011 10 31 55865 0.1775 0.3513 -0.32924 2011 11 1 55866 0.1774 0.3502 -0.32993 2011 11 2 55867 0.1773 0.3492 -0.33075 2011 11 3 55868 0.1771 0.3481 -0.33168 2011 11 4 55869 0.1770 0.3471 -0.33275 2011 11 5 55870 0.1768 0.3461 -0.33386 2011 11 6 55871 0.1766 0.3451 -0.33496 2011 11 7 55872 0.1764 0.3441 -0.33600 2011 11 8 55873 0.1762 0.3430 -0.33699 2011 11 9 55874 0.1760 0.3420 -0.33793 2011 11 10 55875 0.1757 0.3410 -0.33877 2011 11 11 55876 0.1755 0.3401 -0.33951 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) 55492 -72.17 0.52 -8.63 0.10 55493 -72.35 0.48 -8.56 0.14 55494 -72.38 0.48 -8.39 0.14 55495 -72.20 0.44 -8.26 0.15 55496 -71.87 0.45 -8.23 0.13 55497 -71.54 0.45 -8.32 0.13 55498 -71.27 0.45 -8.48 0.13 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55492 0.235 0.207 -0.095 0.100 55493 0.229 0.191 -0.086 0.140 55494 0.233 0.191 -0.078 0.140 55495 0.235 0.175 -0.102 0.150 55496 0.241 0.179 -0.107 0.130 55497 0.248 0.179 -0.098 0.130 55498 0.251 0.179 -0.091 0.130 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.