********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 2 December 2010 Vol. XXIII No. 048 ______________________________________________________________________ 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 = -0.2 seconds beginning 6 January 2011 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 26 55526 0.19994 .00009 0.24691 .00009 -0.115204 0.000009 10 11 27 55527 0.19876 .00009 0.24553 .00009 -0.116132 0.000008 10 11 28 55528 0.19730 .00009 0.24428 .00010 -0.117324 0.000010 10 11 29 55529 0.19586 .00009 0.24273 .00009 -0.118686 0.000011 10 11 30 55530 0.19475 .00009 0.24106 .00009 -0.120080 0.000011 10 12 1 55531 0.19358 .00009 0.23966 .00009 -0.121430 0.000011 10 12 2 55532 0.19219 .00009 0.23847 .00009 -0.122668 0.000013 IERS Final Values MJD x y UT1-UTC " " s 10 10 2 55471 0.2340 0.3636 -0.06044 10 10 3 55472 0.2340 0.3610 -0.06110 10 10 4 55473 0.2340 0.3586 -0.06213 10 10 5 55474 0.2342 0.3563 -0.06348 10 10 6 55475 0.2348 0.3539 -0.06510 10 10 7 55476 0.2350 0.3517 -0.06682 10 10 8 55477 0.2348 0.3492 -0.06842 10 10 9 55478 0.2344 0.3466 -0.06984 10 10 10 55479 0.2341 0.3442 -0.07105 10 10 11 55480 0.2339 0.3420 -0.07202 10 10 12 55481 0.2338 0.3395 -0.07283 10 10 13 55482 0.2339 0.3373 -0.07359 10 10 14 55483 0.2341 0.3356 -0.07438 10 10 15 55484 0.2343 0.3340 -0.07522 10 10 16 55485 0.2340 0.3326 -0.07611 10 10 17 55486 0.2335 0.3309 -0.07710 10 10 18 55487 0.2332 0.3290 -0.07819 10 10 19 55488 0.2329 0.3270 -0.07935 10 10 20 55489 0.2324 0.3251 -0.08060 10 10 21 55490 0.2319 0.3231 -0.08183 10 10 22 55491 0.2313 0.3207 -0.08296 10 10 23 55492 0.2306 0.3184 -0.08394 10 10 24 55493 0.2301 0.3166 -0.08478 10 10 25 55494 0.2290 0.3150 -0.08551 10 10 26 55495 0.2274 0.3131 -0.08612 10 10 27 55496 0.2263 0.3108 -0.08666 10 10 28 55497 0.2254 0.3085 -0.08720 10 10 29 55498 0.2247 0.3061 -0.08784 10 10 30 55499 0.2241 0.3037 -0.08867 10 10 31 55500 0.2234 0.3017 -0.08975 10 11 1 55501 0.2226 0.2996 -0.09112 _______________________________________________________________________ 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 = 0.0989 + 0.0560 cos A - 0.1114 sin A + 0.0435 cos C + 0.0089 sin C y = 0.3298 - 0.1015 cos A - 0.0430 sin A + 0.0089 cos C - 0.0435 sin C UT1-UTC = -0.1239 - 0.00077 (MJD - 55540) - (UT2-UT1) where A = 2*pi*(MJD-55532)/365.25 and C = 2*pi*(MJD-55532)/435. TAI-UTC(MJD 55533) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55532)**0.80 S t = 0.00025 (MJD-55532)**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 12 3 55533 0.1906 0.2371 -0.12373 2010 12 4 55534 0.1890 0.2359 -0.12454 2010 12 5 55535 0.1873 0.2347 -0.12513 2010 12 6 55536 0.1856 0.2335 -0.12558 2010 12 7 55537 0.1839 0.2323 -0.12599 2010 12 8 55538 0.1821 0.2310 -0.12644 2010 12 9 55539 0.1804 0.2299 -0.12697 2010 12 10 55540 0.1786 0.2288 -0.12762 2010 12 11 55541 0.1768 0.2277 -0.12836 2010 12 12 55542 0.1750 0.2266 -0.12918 2010 12 13 55543 0.1731 0.2256 -0.13005 2010 12 14 55544 0.1712 0.2245 -0.13094 2010 12 15 55545 0.1693 0.2235 -0.13180 2010 12 16 55546 0.1674 0.2226 -0.13257 2010 12 17 55547 0.1655 0.2216 -0.13324 2010 12 18 55548 0.1635 0.2207 -0.13377 2010 12 19 55549 0.1616 0.2198 -0.13417 2010 12 20 55550 0.1596 0.2189 -0.13449 2010 12 21 55551 0.1577 0.2181 -0.13480 2010 12 22 55552 0.1557 0.2173 -0.13518 2010 12 23 55553 0.1537 0.2165 -0.13571 2010 12 24 55554 0.1517 0.2158 -0.13646 2010 12 25 55555 0.1497 0.2151 -0.13741 2010 12 26 55556 0.1476 0.2144 -0.13853 2010 12 27 55557 0.1456 0.2137 -0.13975 2010 12 28 55558 0.1436 0.2131 -0.14096 2010 12 29 55559 0.1415 0.2125 -0.14205 2010 12 30 55560 0.1395 0.2120 -0.14295 2010 12 31 55561 0.1375 0.2115 -0.14361 2011 1 1 55562 0.1354 0.2110 -0.14407 2011 1 2 55563 0.1333 0.2105 -0.14438 2011 1 3 55564 0.1313 0.2101 -0.14464 2011 1 4 55565 0.1292 0.2097 -0.14491 2011 1 5 55566 0.1272 0.2093 -0.14528 2011 1 6 55567 0.1251 0.2090 -0.14577 2011 1 7 55568 0.1230 0.2087 -0.14639 2011 1 8 55569 0.1210 0.2084 -0.14712 2011 1 9 55570 0.1189 0.2082 -0.14794 2011 1 10 55571 0.1168 0.2080 -0.14878 2011 1 11 55572 0.1148 0.2078 -0.14962 2011 1 12 55573 0.1127 0.2077 -0.15040 2011 1 13 55574 0.1107 0.2076 -0.15108 2011 1 14 55575 0.1086 0.2075 -0.15164 2011 1 15 55576 0.1065 0.2074 -0.15207 2011 1 16 55577 0.1045 0.2074 -0.15240 2011 1 17 55578 0.1025 0.2074 -0.15269 2011 1 18 55579 0.1004 0.2075 -0.15300 2011 1 19 55580 0.0984 0.2076 -0.15344 2011 1 20 55581 0.0964 0.2077 -0.15408 2011 1 21 55582 0.0943 0.2078 -0.15496 2011 1 22 55583 0.0923 0.2080 -0.15605 2011 1 23 55584 0.0903 0.2082 -0.15728 2011 1 24 55585 0.0883 0.2085 -0.15852 2011 1 25 55586 0.0864 0.2087 -0.15964 2011 1 26 55587 0.0844 0.2090 -0.16055 2011 1 27 55588 0.0824 0.2094 -0.16123 2011 1 28 55589 0.0805 0.2097 -0.16169 2011 1 29 55590 0.0785 0.2101 -0.16201 2011 1 30 55591 0.0766 0.2105 -0.16226 2011 1 31 55592 0.0747 0.2110 -0.16253 2011 2 1 55593 0.0727 0.2115 -0.16287 2011 2 2 55594 0.0708 0.2120 -0.16333 2011 2 3 55595 0.0690 0.2125 -0.16393 2011 2 4 55596 0.0671 0.2131 -0.16466 2011 2 5 55597 0.0652 0.2137 -0.16547 2011 2 6 55598 0.0634 0.2143 -0.16634 2011 2 7 55599 0.0616 0.2150 -0.16721 2011 2 8 55600 0.0598 0.2156 -0.16804 2011 2 9 55601 0.0580 0.2163 -0.16880 2011 2 10 55602 0.0562 0.2171 -0.16946 2011 2 11 55603 0.0544 0.2178 -0.17002 2011 2 12 55604 0.0527 0.2186 -0.17049 2011 2 13 55605 0.0509 0.2195 -0.17091 2011 2 14 55606 0.0492 0.2203 -0.17135 2011 2 15 55607 0.0475 0.2212 -0.17189 2011 2 16 55608 0.0459 0.2221 -0.17263 2011 2 17 55609 0.0442 0.2230 -0.17364 2011 2 18 55610 0.0426 0.2239 -0.17491 2011 2 19 55611 0.0410 0.2249 -0.17640 2011 2 20 55612 0.0394 0.2259 -0.17799 2011 2 21 55613 0.0378 0.2269 -0.17953 2011 2 22 55614 0.0363 0.2280 -0.18088 2011 2 23 55615 0.0347 0.2290 -0.18199 2011 2 24 55616 0.0332 0.2301 -0.18284 2011 2 25 55617 0.0317 0.2312 -0.18351 2011 2 26 55618 0.0303 0.2324 -0.18407 2011 2 27 55619 0.0288 0.2335 -0.18462 2011 2 28 55620 0.0274 0.2347 -0.18522 2011 3 1 55621 0.0260 0.2359 -0.18593 2011 3 2 55622 0.0247 0.2371 -0.18676 2011 3 3 55623 0.0233 0.2384 -0.18771 2011 3 4 55624 0.0220 0.2396 -0.18877 2011 3 5 55625 0.0207 0.2409 -0.18988 2011 3 6 55626 0.0194 0.2422 -0.19101 2011 3 7 55627 0.0182 0.2435 -0.19210 2011 3 8 55628 0.0169 0.2448 -0.19312 2011 3 9 55629 0.0157 0.2462 -0.19404 2011 3 10 55630 0.0146 0.2476 -0.19486 2011 3 11 55631 0.0134 0.2490 -0.19558 2011 3 12 55632 0.0123 0.2504 -0.19625 2011 3 13 55633 0.0112 0.2518 -0.19690 2011 3 14 55634 0.0102 0.2532 -0.19763 2011 3 15 55635 0.0091 0.2547 -0.19850 2011 3 16 55636 0.0081 0.2562 -0.19962 2011 3 17 55637 0.0071 0.2576 -0.20101 2011 3 18 55638 0.0062 0.2591 -0.20267 2011 3 19 55639 0.0052 0.2607 -0.20451 2011 3 20 55640 0.0043 0.2622 -0.20640 2011 3 21 55641 0.0035 0.2637 -0.20814 2011 3 22 55642 0.0026 0.2653 -0.20966 2011 3 23 55643 0.0018 0.2668 -0.21092 2011 3 24 55644 0.0010 0.2684 -0.21194 2011 3 25 55645 0.0003 0.2700 -0.21282 2011 3 26 55646 -0.0005 0.2716 -0.21364 2011 3 27 55647 -0.0012 0.2732 -0.21449 2011 3 28 55648 -0.0018 0.2748 -0.21542 2011 3 29 55649 -0.0025 0.2764 -0.21645 2011 3 30 55650 -0.0031 0.2781 -0.21759 2011 3 31 55651 -0.0037 0.2797 -0.21882 2011 4 1 55652 -0.0043 0.2814 -0.22011 2011 4 2 55653 -0.0048 0.2830 -0.22142 2011 4 3 55654 -0.0053 0.2847 -0.22270 2011 4 4 55655 -0.0057 0.2864 -0.22391 2011 4 5 55656 -0.0062 0.2881 -0.22501 2011 4 6 55657 -0.0066 0.2897 -0.22600 2011 4 7 55658 -0.0070 0.2914 -0.22688 2011 4 8 55659 -0.0073 0.2931 -0.22766 2011 4 9 55660 -0.0077 0.2948 -0.22841 2011 4 10 55661 -0.0079 0.2965 -0.22917 2011 4 11 55662 -0.0082 0.2982 -0.23003 2011 4 12 55663 -0.0084 0.3000 -0.23106 2011 4 13 55664 -0.0087 0.3017 -0.23232 2011 4 14 55665 -0.0088 0.3034 -0.23381 2011 4 15 55666 -0.0090 0.3051 -0.23551 2011 4 16 55667 -0.0091 0.3068 -0.23731 2011 4 17 55668 -0.0092 0.3085 -0.23907 2011 4 18 55669 -0.0092 0.3103 -0.24067 2011 4 19 55670 -0.0093 0.3120 -0.24202 2011 4 20 55671 -0.0093 0.3137 -0.24311 2011 4 21 55672 -0.0093 0.3154 -0.24400 2011 4 22 55673 -0.0092 0.3171 -0.24479 2011 4 23 55674 -0.0091 0.3188 -0.24556 2011 4 24 55675 -0.0090 0.3205 -0.24638 2011 4 25 55676 -0.0089 0.3223 -0.24729 2011 4 26 55677 -0.0087 0.3240 -0.24828 2011 4 27 55678 -0.0085 0.3257 -0.24935 2011 4 28 55679 -0.0083 0.3274 -0.25047 2011 4 29 55680 -0.0080 0.3290 -0.25159 2011 4 30 55681 -0.0078 0.3307 -0.25268 2011 5 1 55682 -0.0074 0.3324 -0.25370 2011 5 2 55683 -0.0071 0.3341 -0.25461 2011 5 3 55684 -0.0068 0.3358 -0.25539 2011 5 4 55685 -0.0064 0.3374 -0.25604 2011 5 5 55686 -0.0060 0.3391 -0.25659 2011 5 6 55687 -0.0055 0.3407 -0.25708 2011 5 7 55688 -0.0050 0.3424 -0.25756 2011 5 8 55689 -0.0046 0.3440 -0.25809 2011 5 9 55690 -0.0040 0.3456 -0.25876 2011 5 10 55691 -0.0035 0.3472 -0.25959 2011 5 11 55692 -0.0029 0.3488 -0.26063 2011 5 12 55693 -0.0023 0.3504 -0.26185 2011 5 13 55694 -0.0017 0.3520 -0.26318 2011 5 14 55695 -0.0011 0.3536 -0.26451 2011 5 15 55696 -0.0004 0.3552 -0.26574 2011 5 16 55697 0.0003 0.3567 -0.26675 2011 5 17 55698 0.0010 0.3583 -0.26752 2011 5 18 55699 0.0017 0.3598 -0.26806 2011 5 19 55700 0.0025 0.3613 -0.26845 2011 5 20 55701 0.0033 0.3628 -0.26878 2011 5 21 55702 0.0041 0.3643 -0.26914 2011 5 22 55703 0.0049 0.3658 -0.26956 2011 5 23 55704 0.0058 0.3672 -0.27006 2011 5 24 55705 0.0066 0.3687 -0.27063 2011 5 25 55706 0.0075 0.3701 -0.27124 2011 5 26 55707 0.0085 0.3715 -0.27185 2011 5 27 55708 0.0094 0.3729 -0.27242 2011 5 28 55709 0.0103 0.3743 -0.27291 2011 5 29 55710 0.0113 0.3757 -0.27327 2011 5 30 55711 0.0123 0.3771 -0.27350 2011 5 31 55712 0.0133 0.3784 -0.27359 2011 6 1 55713 0.0144 0.3797 -0.27354 2011 6 2 55714 0.0154 0.3810 -0.27341 2011 6 3 55715 0.0165 0.3823 -0.27323 2011 6 4 55716 0.0176 0.3836 -0.27308 2011 6 5 55717 0.0187 0.3849 -0.27302 2011 6 6 55718 0.0198 0.3861 -0.27309 2011 6 7 55719 0.0210 0.3873 -0.27332 2011 6 8 55720 0.0221 0.3885 -0.27369 2011 6 9 55721 0.0233 0.3897 -0.27414 2011 6 10 55722 0.0245 0.3909 -0.27459 2011 6 11 55723 0.0257 0.3920 -0.27494 2011 6 12 55724 0.0269 0.3931 -0.27512 2011 6 13 55725 0.0281 0.3942 -0.27510 2011 6 14 55726 0.0294 0.3953 -0.27489 2011 6 15 55727 0.0307 0.3964 -0.27455 2011 6 16 55728 0.0319 0.3974 -0.27418 2011 6 17 55729 0.0332 0.3985 -0.27386 2011 6 18 55730 0.0345 0.3995 -0.27367 2011 6 19 55731 0.0358 0.4005 -0.27364 2011 6 20 55732 0.0372 0.4014 -0.27375 2011 6 21 55733 0.0385 0.4024 -0.27398 2011 6 22 55734 0.0398 0.4033 -0.27429 2011 6 23 55735 0.0412 0.4042 -0.27463 2011 6 24 55736 0.0426 0.4051 -0.27496 2011 6 25 55737 0.0440 0.4059 -0.27522 2011 6 26 55738 0.0453 0.4068 -0.27540 2011 6 27 55739 0.0467 0.4076 -0.27548 2011 6 28 55740 0.0482 0.4084 -0.27548 2011 6 29 55741 0.0496 0.4091 -0.27540 2011 6 30 55742 0.0510 0.4099 -0.27531 2011 7 1 55743 0.0524 0.4106 -0.27526 2011 7 2 55744 0.0539 0.4113 -0.27530 2011 7 3 55745 0.0553 0.4120 -0.27550 2011 7 4 55746 0.0568 0.4127 -0.27587 2011 7 5 55747 0.0582 0.4133 -0.27639 2011 7 6 55748 0.0597 0.4139 -0.27699 2011 7 7 55749 0.0611 0.4145 -0.27758 2011 7 8 55750 0.0626 0.4151 -0.27809 2011 7 9 55751 0.0641 0.4156 -0.27844 2011 7 10 55752 0.0656 0.4161 -0.27860 2011 7 11 55753 0.0670 0.4166 -0.27854 2011 7 12 55754 0.0685 0.4171 -0.27826 2011 7 13 55755 0.0700 0.4176 -0.27779 2011 7 14 55756 0.0715 0.4180 -0.27721 2011 7 15 55757 0.0730 0.4184 -0.27658 2011 7 16 55758 0.0745 0.4188 -0.27600 2011 7 17 55759 0.0760 0.4191 -0.27555 2011 7 18 55760 0.0775 0.4195 -0.27524 2011 7 19 55761 0.0790 0.4198 -0.27505 2011 7 20 55762 0.0805 0.4201 -0.27497 2011 7 21 55763 0.0820 0.4204 -0.27492 2011 7 22 55764 0.0835 0.4206 -0.27487 2011 7 23 55765 0.0849 0.4208 -0.27479 2011 7 24 55766 0.0864 0.4210 -0.27464 2011 7 25 55767 0.0879 0.4212 -0.27440 2011 7 26 55768 0.0894 0.4214 -0.27402 2011 7 27 55769 0.0909 0.4215 -0.27355 2011 7 28 55770 0.0924 0.4216 -0.27310 2011 7 29 55771 0.0938 0.4217 -0.27277 2011 7 30 55772 0.0953 0.4218 -0.27264 2011 7 31 55773 0.0968 0.4218 -0.27276 2011 8 1 55774 0.0982 0.4218 -0.27309 2011 8 2 55775 0.0997 0.4218 -0.27362 2011 8 3 55776 0.1011 0.4218 -0.27425 2011 8 4 55777 0.1026 0.4218 -0.27486 2011 8 5 55778 0.1040 0.4217 -0.27532 2011 8 6 55779 0.1054 0.4216 -0.27558 2011 8 7 55780 0.1068 0.4215 -0.27562 2011 8 8 55781 0.1083 0.4214 -0.27544 2011 8 9 55782 0.1097 0.4212 -0.27511 2011 8 10 55783 0.1111 0.4210 -0.27475 2011 8 11 55784 0.1125 0.4208 -0.27442 2011 8 12 55785 0.1138 0.4206 -0.27422 2011 8 13 55786 0.1152 0.4204 -0.27417 2011 8 14 55787 0.1166 0.4201 -0.27422 2011 8 15 55788 0.1179 0.4199 -0.27434 2011 8 16 55789 0.1193 0.4196 -0.27448 2011 8 17 55790 0.1206 0.4193 -0.27457 2011 8 18 55791 0.1219 0.4189 -0.27455 2011 8 19 55792 0.1232 0.4186 -0.27445 2011 8 20 55793 0.1245 0.4182 -0.27428 2011 8 21 55794 0.1258 0.4178 -0.27408 2011 8 22 55795 0.1271 0.4174 -0.27387 2011 8 23 55796 0.1284 0.4170 -0.27359 2011 8 24 55797 0.1296 0.4165 -0.27320 2011 8 25 55798 0.1309 0.4161 -0.27281 2011 8 26 55799 0.1321 0.4156 -0.27254 2011 8 27 55800 0.1333 0.4151 -0.27244 2011 8 28 55801 0.1345 0.4145 -0.27250 2011 8 29 55802 0.1357 0.4140 -0.27280 2011 8 30 55803 0.1368 0.4135 -0.27328 2011 8 31 55804 0.1380 0.4129 -0.27385 2011 9 1 55805 0.1391 0.4123 -0.27437 2011 9 2 55806 0.1403 0.4117 -0.27474 2011 9 3 55807 0.1414 0.4111 -0.27492 2011 9 4 55808 0.1425 0.4104 -0.27492 2011 9 5 55809 0.1436 0.4098 -0.27473 2011 9 6 55810 0.1446 0.4091 -0.27448 2011 9 7 55811 0.1457 0.4084 -0.27425 2011 9 8 55812 0.1467 0.4077 -0.27420 2011 9 9 55813 0.1477 0.4070 -0.27442 2011 9 10 55814 0.1488 0.4063 -0.27482 2011 9 11 55815 0.1497 0.4056 -0.27539 2011 9 12 55816 0.1507 0.4048 -0.27611 2011 9 13 55817 0.1517 0.4040 -0.27679 2011 9 14 55818 0.1526 0.4033 -0.27739 2011 9 15 55819 0.1535 0.4025 -0.27798 2011 9 16 55820 0.1544 0.4017 -0.27848 2011 9 17 55821 0.1553 0.4009 -0.27893 2011 9 18 55822 0.1562 0.4000 -0.27931 2011 9 19 55823 0.1570 0.3992 -0.27962 2011 9 20 55824 0.1579 0.3983 -0.27998 2011 9 21 55825 0.1587 0.3975 -0.28041 2011 9 22 55826 0.1595 0.3966 -0.28094 2011 9 23 55827 0.1602 0.3957 -0.28165 2011 9 24 55828 0.1610 0.3948 -0.28265 2011 9 25 55829 0.1617 0.3939 -0.28392 2011 9 26 55830 0.1625 0.3930 -0.28541 2011 9 27 55831 0.1632 0.3921 -0.28708 2011 9 28 55832 0.1639 0.3911 -0.28879 2011 9 29 55833 0.1645 0.3902 -0.29036 2011 9 30 55834 0.1652 0.3892 -0.29171 2011 10 1 55835 0.1658 0.3883 -0.29282 2011 10 2 55836 0.1664 0.3873 -0.29374 2011 10 3 55837 0.1670 0.3863 -0.29449 2011 10 4 55838 0.1676 0.3854 -0.29523 2011 10 5 55839 0.1681 0.3844 -0.29599 2011 10 6 55840 0.1687 0.3834 -0.29683 2011 10 7 55841 0.1692 0.3824 -0.29775 2011 10 8 55842 0.1697 0.3814 -0.29875 2011 10 9 55843 0.1702 0.3804 -0.29981 2011 10 10 55844 0.1706 0.3794 -0.30091 2011 10 11 55845 0.1711 0.3783 -0.30208 2011 10 12 55846 0.1715 0.3773 -0.30326 2011 10 13 55847 0.1719 0.3763 -0.30439 2011 10 14 55848 0.1723 0.3752 -0.30543 2011 10 15 55849 0.1726 0.3742 -0.30639 2011 10 16 55850 0.1730 0.3732 -0.30731 2011 10 17 55851 0.1733 0.3721 -0.30815 2011 10 18 55852 0.1736 0.3711 -0.30897 2011 10 19 55853 0.1739 0.3700 -0.30981 2011 10 20 55854 0.1742 0.3690 -0.31068 2011 10 21 55855 0.1744 0.3679 -0.31173 2011 10 22 55856 0.1747 0.3668 -0.31300 2011 10 23 55857 0.1749 0.3658 -0.31446 2011 10 24 55858 0.1751 0.3647 -0.31608 2011 10 25 55859 0.1752 0.3637 -0.31779 2011 10 26 55860 0.1754 0.3626 -0.31946 2011 10 27 55861 0.1755 0.3615 -0.32092 2011 10 28 55862 0.1757 0.3605 -0.32213 2011 10 29 55863 0.1758 0.3594 -0.32309 2011 10 30 55864 0.1759 0.3584 -0.32386 2011 10 31 55865 0.1759 0.3573 -0.32462 2011 11 1 55866 0.1760 0.3562 -0.32546 2011 11 2 55867 0.1760 0.3552 -0.32640 2011 11 3 55868 0.1760 0.3541 -0.32737 2011 11 4 55869 0.1760 0.3531 -0.32840 2011 11 5 55870 0.1760 0.3520 -0.32945 2011 11 6 55871 0.1760 0.3510 -0.33051 2011 11 7 55872 0.1759 0.3499 -0.33159 2011 11 8 55873 0.1758 0.3489 -0.33258 2011 11 9 55874 0.1758 0.3478 -0.33348 2011 11 10 55875 0.1756 0.3468 -0.33427 2011 11 11 55876 0.1755 0.3458 -0.33500 2011 11 12 55877 0.1754 0.3448 -0.33563 2011 11 13 55878 0.1752 0.3437 -0.33617 2011 11 14 55879 0.1751 0.3427 -0.33671 2011 11 15 55880 0.1749 0.3417 -0.33725 2011 11 16 55881 0.1747 0.3407 -0.33783 2011 11 17 55882 0.1745 0.3397 -0.33856 2011 11 18 55883 0.1742 0.3387 -0.33945 2011 11 19 55884 0.1740 0.3377 -0.34053 2011 11 20 55885 0.1737 0.3367 -0.34179 2011 11 21 55886 0.1735 0.3357 -0.34316 2011 11 22 55887 0.1732 0.3348 -0.34460 2011 11 23 55888 0.1729 0.3338 -0.34599 2011 11 24 55889 0.1725 0.3328 -0.34721 2011 11 25 55890 0.1722 0.3319 -0.34824 2011 11 26 55891 0.1719 0.3309 -0.34917 2011 11 27 55892 0.1715 0.3300 -0.35013 2011 11 28 55893 0.1711 0.3291 -0.35114 2011 11 29 55894 0.1708 0.3281 -0.35224 2011 11 30 55895 0.1704 0.3272 -0.35340 2011 12 1 55896 0.1700 0.3263 -0.35462 2011 12 2 55897 0.1695 0.3254 -0.35587 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) 55513 -68.95 0.27 -7.64 0.10 55514 -68.88 0.18 -7.71 0.34 55515 -68.82 0.18 -7.77 0.34 55516 -68.83 0.16 -7.78 0.34 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 55471 -74.0 -9.6 55472 -73.5 -9.7 55473 -73.3 -9.7 55474 -73.4 -9.5 55475 -73.9 -9.1 55476 -74.1 -9.0 55477 -73.9 -9.1 55478 -73.4 -9.1 55479 -73.2 -9.0 55480 -73.4 -8.7 55481 -73.5 -8.7 55482 -73.4 -8.7 55483 -73.0 -8.8 55484 -72.8 -8.7 55485 -72.8 -8.6 55486 -72.6 -8.6 55487 -72.3 -8.6 55488 -71.8 -8.6 55489 -71.4 -8.6 55490 -71.3 -8.6 55491 -71.7 -8.7 55492 -72.3 -8.6 55493 -73.0 -8.5 55494 -73.1 -8.3 55495 -72.5 -8.2 55496 -71.7 -8.2 55497 -71.0 -8.3 55498 -70.8 -8.5 55499 -70.8 -8.6 55500 -70.8 -8.7 55501 -70.6 -8.5 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55513 0.337 0.107 -0.121 0.100 55514 0.332 0.072 -0.112 0.340 55515 0.324 0.072 -0.102 0.340 55516 0.307 0.064 -0.100 0.340 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 55471 0.33 -0.08 55472 0.37 -0.10 55473 0.33 -0.17 55474 0.30 -0.24 55475 0.21 -0.14 55476 0.20 -0.14 55477 0.21 -0.11 55478 0.27 -0.02 55479 0.32 -0.04 55480 0.33 0.06 55481 0.31 0.00 55482 0.22 0.07 55483 0.19 0.00 55484 0.15 0.02 55485 0.12 -0.01 55486 0.16 -0.07 55487 0.21 -0.08 55488 0.33 -0.10 55489 0.45 -0.14 55490 0.49 -0.15 55491 0.36 -0.21 55492 0.18 -0.06 55493 -0.03 -0.03 55494 -0.05 0.01 55495 0.12 -0.04 55496 0.31 -0.08 55497 0.46 -0.08 55498 0.44 -0.11 55499 0.33 -0.06 55500 0.21 -0.09 55501 0.20 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.