********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 14 July 2011 Vol. XXIV No. 028 ______________________________________________________________________ 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 = -0.3 seconds beginning 12 May 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 11 7 8 55750 0.05767 .00009 0.44133 .00009 -0.292498 0.000013 11 7 9 55751 0.05994 .00009 0.44173 .00009 -0.292781 0.000012 11 7 10 55752 0.06222 .00009 0.44219 .00009 -0.292872 0.000008 11 7 11 55753 0.06435 .00009 0.44299 .00009 -0.292755 0.000004 11 7 12 55754 0.06590 .00009 0.44384 .00009 -0.292488 0.000004 11 7 13 55755 0.06725 .00010 0.44440 .00009 -0.292169 0.000004 11 7 14 55756 0.06881 .00009 0.44481 .00009 -0.291865 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 = 0.0863 + 0.0319 cos A + 0.1162 sin A - 0.0509 cos C + 0.0007 sin C y = 0.3358 + 0.1067 cos A - 0.0278 sin A + 0.0007 cos C + 0.0509 sin C UT1-UTC = -0.2992 - 0.00069 (MJD - 55764) - (UT2-UT1) where A = 2*pi*(MJD-55756)/365.25 and C = 2*pi*(MJD-55756)/435. TAI-UTC(MJD 55757) = 34.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-55756)**0.80 S t = 0.00025 (MJD-55756)**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) 2011 7 15 55757 0.0704 0.4451 -0.29163 2011 7 16 55758 0.0721 0.4454 -0.29147 2011 7 17 55759 0.0739 0.4456 -0.29140 2011 7 18 55760 0.0756 0.4458 -0.29145 2011 7 19 55761 0.0774 0.4460 -0.29157 2011 7 20 55762 0.0791 0.4461 -0.29171 2011 7 21 55763 0.0807 0.4462 -0.29182 2011 7 22 55764 0.0824 0.4462 -0.29185 2011 7 23 55765 0.0840 0.4462 -0.29178 2011 7 24 55766 0.0857 0.4462 -0.29160 2011 7 25 55767 0.0873 0.4461 -0.29129 2011 7 26 55768 0.0890 0.4460 -0.29089 2011 7 27 55769 0.0906 0.4459 -0.29047 2011 7 28 55770 0.0922 0.4457 -0.29007 2011 7 29 55771 0.0938 0.4456 -0.28977 2011 7 30 55772 0.0954 0.4454 -0.28963 2011 7 31 55773 0.0970 0.4451 -0.28972 2011 8 1 55774 0.0986 0.4449 -0.29004 2011 8 2 55775 0.1001 0.4446 -0.29054 2011 8 3 55776 0.1017 0.4442 -0.29113 2011 8 4 55777 0.1032 0.4439 -0.29171 2011 8 5 55778 0.1048 0.4435 -0.29214 2011 8 6 55779 0.1063 0.4432 -0.29238 2011 8 7 55780 0.1078 0.4428 -0.29241 2011 8 8 55781 0.1093 0.4423 -0.29229 2011 8 9 55782 0.1108 0.4419 -0.29210 2011 8 10 55783 0.1123 0.4414 -0.29191 2011 8 11 55784 0.1137 0.4409 -0.29181 2011 8 12 55785 0.1152 0.4404 -0.29184 2011 8 13 55786 0.1166 0.4398 -0.29201 2011 8 14 55787 0.1180 0.4393 -0.29233 2011 8 15 55788 0.1195 0.4387 -0.29275 2011 8 16 55789 0.1208 0.4381 -0.29324 2011 8 17 55790 0.1222 0.4374 -0.29373 2011 8 18 55791 0.1236 0.4368 -0.29419 2011 8 19 55792 0.1249 0.4361 -0.29457 2011 8 20 55793 0.1263 0.4355 -0.29486 2011 8 21 55794 0.1276 0.4347 -0.29504 2011 8 22 55795 0.1289 0.4340 -0.29513 2011 8 23 55796 0.1302 0.4333 -0.29519 2011 8 24 55797 0.1314 0.4325 -0.29527 2011 8 25 55798 0.1327 0.4317 -0.29545 2011 8 26 55799 0.1339 0.4310 -0.29580 2011 8 27 55800 0.1351 0.4301 -0.29638 2011 8 28 55801 0.1363 0.4293 -0.29722 2011 8 29 55802 0.1375 0.4285 -0.29830 2011 8 30 55803 0.1386 0.4276 -0.29954 2011 8 31 55804 0.1398 0.4267 -0.30081 2011 9 1 55805 0.1409 0.4258 -0.30198 2011 9 2 55806 0.1420 0.4249 -0.30294 2011 9 3 55807 0.1431 0.4240 -0.30366 2011 9 4 55808 0.1441 0.4230 -0.30417 2011 9 5 55809 0.1452 0.4221 -0.30455 2011 9 6 55810 0.1462 0.4211 -0.30488 2011 9 7 55811 0.1472 0.4201 -0.30524 2011 9 8 55812 0.1482 0.4191 -0.30569 2011 9 9 55813 0.1491 0.4181 -0.30626 2011 9 10 55814 0.1501 0.4171 -0.30694 2011 9 11 55815 0.1510 0.4160 -0.30770 2011 9 12 55816 0.1519 0.4150 -0.30852 2011 9 13 55817 0.1527 0.4139 -0.30935 2011 9 14 55818 0.1536 0.4129 -0.31013 2011 9 15 55819 0.1544 0.4118 -0.31085 2011 9 16 55820 0.1552 0.4107 -0.31147 2011 9 17 55821 0.1560 0.4096 -0.31199 2011 9 18 55822 0.1568 0.4084 -0.31243 2011 9 19 55823 0.1575 0.4073 -0.31282 2011 9 20 55824 0.1583 0.4062 -0.31319 2011 9 21 55825 0.1590 0.4050 -0.31360 2011 9 22 55826 0.1596 0.4039 -0.31413 2011 9 23 55827 0.1603 0.4027 -0.31483 2011 9 24 55828 0.1609 0.4015 -0.31577 2011 9 25 55829 0.1616 0.4004 -0.31695 2011 9 26 55830 0.1621 0.3992 -0.31835 2011 9 27 55831 0.1627 0.3980 -0.31985 2011 9 28 55832 0.1633 0.3968 -0.32133 2011 9 29 55833 0.1638 0.3956 -0.32267 2011 9 30 55834 0.1643 0.3943 -0.32379 2011 10 1 55835 0.1648 0.3931 -0.32467 2011 10 2 55836 0.1652 0.3919 -0.32539 2011 10 3 55837 0.1656 0.3907 -0.32602 2011 10 4 55838 0.1660 0.3894 -0.32666 2011 10 5 55839 0.1664 0.3882 -0.32738 2011 10 6 55840 0.1668 0.3870 -0.32820 2011 10 7 55841 0.1671 0.3857 -0.32914 2011 10 8 55842 0.1675 0.3845 -0.33016 2011 10 9 55843 0.1677 0.3832 -0.33124 2011 10 10 55844 0.1680 0.3819 -0.33233 2011 10 11 55845 0.1683 0.3807 -0.33339 2011 10 12 55846 0.1685 0.3794 -0.33438 2011 10 13 55847 0.1687 0.3782 -0.33527 2011 10 14 55848 0.1689 0.3769 -0.33605 2011 10 15 55849 0.1691 0.3756 -0.33673 2011 10 16 55850 0.1692 0.3744 -0.33734 2011 10 17 55851 0.1693 0.3731 -0.33791 2011 10 18 55852 0.1694 0.3719 -0.33851 2011 10 19 55853 0.1695 0.3706 -0.33919 2011 10 20 55854 0.1695 0.3693 -0.34000 2011 10 21 55855 0.1696 0.3681 -0.34101 2011 10 22 55856 0.1696 0.3668 -0.34224 2011 10 23 55857 0.1695 0.3656 -0.34369 2011 10 24 55858 0.1695 0.3643 -0.34529 2011 10 25 55859 0.1695 0.3631 -0.34694 2011 10 26 55860 0.1694 0.3618 -0.34851 2011 10 27 55861 0.1693 0.3606 -0.34991 2011 10 28 55862 0.1692 0.3593 -0.35107 2011 10 29 55863 0.1690 0.3581 -0.35203 2011 10 30 55864 0.1689 0.3568 -0.35286 2011 10 31 55865 0.1687 0.3556 -0.35375 2011 11 1 55866 0.1685 0.3544 -0.35468 2011 11 2 55867 0.1682 0.3532 -0.35571 2011 11 3 55868 0.1680 0.3520 -0.35683 2011 11 4 55869 0.1677 0.3508 -0.35802 2011 11 5 55870 0.1675 0.3496 -0.35926 2011 11 6 55871 0.1672 0.3484 -0.36050 2011 11 7 55872 0.1668 0.3472 -0.36171 2011 11 8 55873 0.1665 0.3460 -0.36284 2011 11 9 55874 0.1661 0.3448 -0.36387 2011 11 10 55875 0.1658 0.3436 -0.36479 2011 11 11 55876 0.1654 0.3425 -0.36558 2011 11 12 55877 0.1650 0.3413 -0.36629 2011 11 13 55878 0.1645 0.3402 -0.36694 2011 11 14 55879 0.1641 0.3391 -0.36759 2011 11 15 55880 0.1636 0.3379 -0.36828 2011 11 16 55881 0.1631 0.3368 -0.36908 2011 11 17 55882 0.1626 0.3357 -0.37004 2011 11 18 55883 0.1621 0.3346 -0.37117 2011 11 19 55884 0.1616 0.3335 -0.37249 2011 11 20 55885 0.1611 0.3325 -0.37397 2011 11 21 55886 0.1605 0.3314 -0.37551 2011 11 22 55887 0.1599 0.3303 -0.37703 2011 11 23 55888 0.1593 0.3293 -0.37842 2011 11 24 55889 0.1587 0.3283 -0.37962 2011 11 25 55890 0.1581 0.3272 -0.38062 2011 11 26 55891 0.1574 0.3262 -0.38146 2011 11 27 55892 0.1568 0.3252 -0.38223 2011 11 28 55893 0.1561 0.3242 -0.38302 2011 11 29 55894 0.1554 0.3233 -0.38388 2011 11 30 55895 0.1548 0.3223 -0.38485 2011 12 1 55896 0.1541 0.3213 -0.38589 2011 12 2 55897 0.1533 0.3204 -0.38697 2011 12 3 55898 0.1526 0.3195 -0.38805 2011 12 4 55899 0.1519 0.3186 -0.38909 2011 12 5 55900 0.1511 0.3177 -0.39006 2011 12 6 55901 0.1503 0.3168 -0.39092 2011 12 7 55902 0.1496 0.3159 -0.39165 2011 12 8 55903 0.1488 0.3150 -0.39226 2011 12 9 55904 0.1480 0.3142 -0.39277 2011 12 10 55905 0.1472 0.3134 -0.39321 2011 12 11 55906 0.1463 0.3126 -0.39363 2011 12 12 55907 0.1455 0.3117 -0.39408 2011 12 13 55908 0.1447 0.3110 -0.39462 2011 12 14 55909 0.1438 0.3102 -0.39530 2011 12 15 55910 0.1430 0.3094 -0.39615 2011 12 16 55911 0.1421 0.3087 -0.39716 2011 12 17 55912 0.1412 0.3079 -0.39831 2011 12 18 55913 0.1403 0.3072 -0.39953 2011 12 19 55914 0.1395 0.3065 -0.40074 2011 12 20 55915 0.1386 0.3058 -0.40185 2011 12 21 55916 0.1377 0.3052 -0.40280 2011 12 22 55917 0.1367 0.3045 -0.40357 2011 12 23 55918 0.1358 0.3039 -0.40418 2011 12 24 55919 0.1349 0.3033 -0.40470 2011 12 25 55920 0.1340 0.3026 -0.40521 2011 12 26 55921 0.1330 0.3020 -0.40580 2011 12 27 55922 0.1321 0.3015 -0.40650 2011 12 28 55923 0.1312 0.3009 -0.40730 2011 12 29 55924 0.1302 0.3004 -0.40817 2011 12 30 55925 0.1293 0.2998 -0.40906 2011 12 31 55926 0.1283 0.2993 -0.40993 2012 1 1 55927 0.1274 0.2988 -0.41073 2012 1 2 55928 0.1264 0.2983 -0.41143 2012 1 3 55929 0.1254 0.2979 -0.41201 2012 1 4 55930 0.1245 0.2974 -0.41246 2012 1 5 55931 0.1235 0.2970 -0.41281 2012 1 6 55932 0.1225 0.2965 -0.41308 2012 1 7 55933 0.1216 0.2961 -0.41332 2012 1 8 55934 0.1206 0.2958 -0.41358 2012 1 9 55935 0.1196 0.2954 -0.41393 2012 1 10 55936 0.1186 0.2950 -0.41442 2012 1 11 55937 0.1177 0.2947 -0.41509 2012 1 12 55938 0.1167 0.2943 -0.41595 2012 1 13 55939 0.1157 0.2940 -0.41695 2012 1 14 55940 0.1147 0.2937 -0.41803 2012 1 15 55941 0.1138 0.2935 -0.41911 2012 1 16 55942 0.1128 0.2932 -0.42009 2012 1 17 55943 0.1118 0.2929 -0.42093 2012 1 18 55944 0.1109 0.2927 -0.42159 2012 1 19 55945 0.1099 0.2925 -0.42209 2012 1 20 55946 0.1089 0.2923 -0.42250 2012 1 21 55947 0.1080 0.2921 -0.42289 2012 1 22 55948 0.1070 0.2919 -0.42334 2012 1 23 55949 0.1061 0.2918 -0.42391 2012 1 24 55950 0.1051 0.2916 -0.42461 2012 1 25 55951 0.1042 0.2915 -0.42542 2012 1 26 55952 0.1032 0.2914 -0.42630 2012 1 27 55953 0.1023 0.2913 -0.42718 2012 1 28 55954 0.1013 0.2912 -0.42802 2012 1 29 55955 0.1004 0.2911 -0.42877 2012 1 30 55956 0.0995 0.2911 -0.42941 2012 1 31 55957 0.0986 0.2910 -0.42992 2012 2 1 55958 0.0977 0.2910 -0.43033 2012 2 2 55959 0.0967 0.2910 -0.43065 2012 2 3 55960 0.0958 0.2910 -0.43092 2012 2 4 55961 0.0950 0.2910 -0.43120 2012 2 5 55962 0.0941 0.2911 -0.43155 2012 2 6 55963 0.0932 0.2911 -0.43203 2012 2 7 55964 0.0923 0.2911 -0.43270 2012 2 8 55965 0.0914 0.2912 -0.43359 2012 2 9 55966 0.0906 0.2913 -0.43468 2012 2 10 55967 0.0897 0.2914 -0.43591 2012 2 11 55968 0.0889 0.2915 -0.43719 2012 2 12 55969 0.0881 0.2916 -0.43841 2012 2 13 55970 0.0872 0.2918 -0.43947 2012 2 14 55971 0.0864 0.2919 -0.44034 2012 2 15 55972 0.0856 0.2921 -0.44104 2012 2 16 55973 0.0848 0.2922 -0.44159 2012 2 17 55974 0.0840 0.2924 -0.44207 2012 2 18 55975 0.0832 0.2926 -0.44257 2012 2 19 55976 0.0824 0.2928 -0.44318 2012 2 20 55977 0.0817 0.2930 -0.44391 2012 2 21 55978 0.0809 0.2932 -0.44474 2012 2 22 55979 0.0802 0.2935 -0.44567 2012 2 23 55980 0.0795 0.2937 -0.44670 2012 2 24 55981 0.0787 0.2940 -0.44771 2012 2 25 55982 0.0780 0.2943 -0.44865 2012 2 26 55983 0.0773 0.2945 -0.44945 2012 2 27 55984 0.0766 0.2948 -0.45014 2012 2 28 55985 0.0759 0.2951 -0.45077 2012 2 29 55986 0.0753 0.2954 -0.45131 2012 3 1 55987 0.0746 0.2957 -0.45184 2012 3 2 55988 0.0740 0.2961 -0.45245 2012 3 3 55989 0.0733 0.2964 -0.45317 2012 3 4 55990 0.0727 0.2967 -0.45400 2012 3 5 55991 0.0721 0.2971 -0.45500 2012 3 6 55992 0.0715 0.2975 -0.45620 2012 3 7 55993 0.0709 0.2978 -0.45759 2012 3 8 55994 0.0703 0.2982 -0.45913 2012 3 9 55995 0.0698 0.2986 -0.46078 2012 3 10 55996 0.0692 0.2990 -0.46244 2012 3 11 55997 0.0687 0.2994 -0.46401 2012 3 12 55998 0.0681 0.2998 -0.46538 2012 3 13 55999 0.0676 0.3002 -0.46655 2012 3 14 56000 0.0671 0.3006 -0.46760 2012 3 15 56001 0.0666 0.3010 -0.46858 2012 3 16 56002 0.0661 0.3015 -0.46950 2012 3 17 56003 0.0657 0.3019 -0.47047 2012 3 18 56004 0.0652 0.3024 -0.47156 2012 3 19 56005 0.0648 0.3028 -0.47277 2012 3 20 56006 0.0643 0.3033 -0.47407 2012 3 21 56007 0.0639 0.3037 -0.47542 2012 3 22 56008 0.0635 0.3042 -0.47677 2012 3 23 56009 0.0631 0.3046 -0.47811 2012 3 24 56010 0.0627 0.3051 -0.47942 2012 3 25 56011 0.0624 0.3056 -0.48062 2012 3 26 56012 0.0620 0.3061 -0.48173 2012 3 27 56013 0.0617 0.3066 -0.48271 2012 3 28 56014 0.0613 0.3070 -0.48360 2012 3 29 56015 0.0610 0.3075 -0.48442 2012 3 30 56016 0.0607 0.3080 -0.48519 2012 3 31 56017 0.0604 0.3085 -0.48602 2012 4 1 56018 0.0601 0.3090 -0.48698 2012 4 2 56019 0.0599 0.3095 -0.48817 2012 4 3 56020 0.0596 0.3100 -0.48967 2012 4 4 56021 0.0594 0.3105 -0.49140 2012 4 5 56022 0.0592 0.3110 -0.49333 2012 4 6 56023 0.0589 0.3115 -0.49534 2012 4 7 56024 0.0587 0.3121 -0.49725 2012 4 8 56025 0.0585 0.3126 -0.49896 2012 4 9 56026 0.0584 0.3131 -0.50045 2012 4 10 56027 0.0582 0.3136 -0.50170 2012 4 11 56028 0.0580 0.3141 -0.50277 2012 4 12 56029 0.0579 0.3146 -0.50375 2012 4 13 56030 0.0578 0.3151 -0.50474 2012 4 14 56031 0.0576 0.3156 -0.50580 2012 4 15 56032 0.0575 0.3162 -0.50695 2012 4 16 56033 0.0574 0.3167 -0.50820 2012 4 17 56034 0.0573 0.3172 -0.50951 2012 4 18 56035 0.0573 0.3177 -0.51081 2012 4 19 56036 0.0572 0.3182 -0.51209 2012 4 20 56037 0.0571 0.3187 -0.51332 2012 4 21 56038 0.0571 0.3192 -0.51445 2012 4 22 56039 0.0571 0.3197 -0.51550 2012 4 23 56040 0.0570 0.3202 -0.51645 2012 4 24 56041 0.0570 0.3207 -0.51728 2012 4 25 56042 0.0570 0.3212 -0.51806 2012 4 26 56043 0.0570 0.3217 -0.51883 2012 4 27 56044 0.0571 0.3222 -0.51968 2012 4 28 56045 0.0571 0.3227 -0.52069 2012 4 29 56046 0.0571 0.3232 -0.52183 2012 4 30 56047 0.0572 0.3237 -0.52319 2012 5 1 56048 0.0573 0.3242 -0.52471 2012 5 2 56049 0.0573 0.3246 -0.52638 2012 5 3 56050 0.0574 0.3251 -0.52813 2012 5 4 56051 0.0575 0.3256 -0.52981 2012 5 5 56052 0.0576 0.3260 -0.53138 2012 5 6 56053 0.0577 0.3265 -0.53273 2012 5 7 56054 0.0578 0.3270 -0.53382 2012 5 8 56055 0.0579 0.3274 -0.53468 2012 5 9 56056 0.0581 0.3279 -0.53539 2012 5 10 56057 0.0582 0.3283 -0.53600 2012 5 11 56058 0.0583 0.3288 -0.53661 2012 5 12 56059 0.0585 0.3292 -0.53733 2012 5 13 56060 0.0587 0.3296 -0.53805 2012 5 14 56061 0.0588 0.3301 -0.53878 2012 5 15 56062 0.0590 0.3305 -0.53950 2012 5 16 56063 0.0592 0.3309 -0.54019 2012 5 17 56064 0.0594 0.3313 -0.54077 2012 5 18 56065 0.0596 0.3317 -0.54117 2012 5 19 56066 0.0598 0.3321 -0.54142 2012 5 20 56067 0.0600 0.3325 -0.54148 2012 5 21 56068 0.0602 0.3329 -0.54142 2012 5 22 56069 0.0604 0.3333 -0.54133 2012 5 23 56070 0.0607 0.3337 -0.54124 2012 5 24 56071 0.0609 0.3340 -0.54119 2012 5 25 56072 0.0611 0.3344 -0.54120 2012 5 26 56073 0.0614 0.3347 -0.54133 2012 5 27 56074 0.0616 0.3351 -0.54163 2012 5 28 56075 0.0619 0.3354 -0.54207 2012 5 29 56076 0.0622 0.3358 -0.54269 2012 5 30 56077 0.0624 0.3361 -0.54345 2012 5 31 56078 0.0627 0.3364 -0.54425 2012 6 1 56079 0.0630 0.3368 -0.54499 2012 6 2 56080 0.0632 0.3371 -0.54563 2012 6 3 56081 0.0635 0.3374 -0.54610 2012 6 4 56082 0.0638 0.3377 -0.54636 2012 6 5 56083 0.0641 0.3380 -0.54652 2012 6 6 56084 0.0644 0.3383 -0.54666 2012 6 7 56085 0.0646 0.3385 -0.54689 2012 6 8 56086 0.0649 0.3388 -0.54725 2012 6 9 56087 0.0652 0.3391 -0.54773 2012 6 10 56088 0.0655 0.3393 -0.54827 2012 6 11 56089 0.0658 0.3396 -0.54883 2012 6 12 56090 0.0661 0.3398 -0.54931 2012 6 13 56091 0.0664 0.3401 -0.54969 2012 6 14 56092 0.0667 0.3403 -0.54993 2012 6 15 56093 0.0670 0.3405 -0.55003 2012 6 16 56094 0.0673 0.3408 -0.55004 2012 6 17 56095 0.0676 0.3410 -0.54991 2012 6 18 56096 0.0679 0.3412 -0.54966 2012 6 19 56097 0.0682 0.3414 -0.54940 2012 6 20 56098 0.0685 0.3416 -0.54914 2012 6 21 56099 0.0688 0.3417 -0.54889 2012 6 22 56100 0.0691 0.3419 -0.54876 2012 6 23 56101 0.0694 0.3421 -0.54878 2012 6 24 56102 0.0697 0.3423 -0.54895 2012 6 25 56103 0.0700 0.3424 -0.54930 2012 6 26 56104 0.0703 0.3426 -0.54980 2012 6 27 56105 0.0706 0.3427 -0.55032 2012 6 28 56106 0.0709 0.3428 -0.55080 2012 6 29 56107 0.0712 0.3430 -0.55115 2012 6 30 56108 0.0715 0.3431 -0.55132 2012 7 1 56109 0.0718 0.3432 -0.55138 2012 7 2 56110 0.0720 0.3433 -0.55134 2012 7 3 56111 0.0723 0.3434 -0.55125 2012 7 4 56112 0.0726 0.3435 -0.55120 2012 7 5 56113 0.0729 0.3436 -0.55124 2012 7 6 56114 0.0731 0.3437 -0.55138 2012 7 7 56115 0.0734 0.3438 -0.55160 2012 7 8 56116 0.0737 0.3439 -0.55180 2012 7 9 56117 0.0739 0.3439 -0.55192 2012 7 10 56118 0.0742 0.3440 -0.55188 2012 7 11 56119 0.0744 0.3441 -0.55172 2012 7 12 56120 0.0747 0.3441 -0.55144 2012 7 13 56121 0.0749 0.3442 -0.55106 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) 55734 -69.54 0.28 -11.38 0.08 55735 -69.59 0.28 -11.45 0.08 55736 -69.62 0.28 -11.36 0.08 55737 -69.84 0.28 -11.18 0.10 55738 -70.25 0.27 -11.08 0.10 55739 -70.73 0.27 -11.08 0.10 55740 -71.16 0.20 -11.13 0.03 55741 -71.45 0.16 -11.14 0.09 55742 -71.53 0.16 -11.15 0.09 55743 -71.39 0.16 -11.20 0.09 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 55734 -0.299 0.111 -0.054 0.080 55735 -0.261 0.111 -0.065 0.080 55736 -0.232 0.111 -0.089 0.080 55737 -0.218 0.111 -0.084 0.100 55738 -0.200 0.107 -0.089 0.100 55739 -0.174 0.107 -0.088 0.100 55740 -0.153 0.080 -0.093 0.030 55741 -0.144 0.064 -0.073 0.090 55742 -0.140 0.064 -0.058 0.090 55743 -0.136 0.064 -0.054 0.090 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 (2010).