********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 13 March 2014 Vol. XXVII No. 011 ______________________________________________________________________ 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 = -0.2 seconds beginning 20 Feb 2014 at 0000 UTC Beginning 1 July 2012: TAI-UTC = 35.000 000 seconds *********************************************************************** * Please note that daily and Bulletin A EOP data can be obtained from * * the primary Earth Orientation (EO) servers at: * * http://maia.usno.navy.mil ftp://maia.usno.navy.mil * * and from the backup EO server at: * * http://toshi.nofs.navy.mil ftp://toshi.nofs.navy.mil * * * *********************************************************************** ________________________________________________________________________ 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 14 3 7 56723 0.02032 .00010 0.39398 .00009 -0.172108 0.000006 14 3 8 56724 0.02014 .00010 0.39510 .00009 -0.173339 0.000009 14 3 9 56725 0.01986 .00010 0.39609 .00009 -0.174461 0.000008 14 3 10 56726 0.01952 .00009 0.39696 .00009 -0.175537 0.000005 14 3 11 56727 0.01928 .00009 0.39798 .00009 -0.176621 0.000004 14 3 12 56728 0.01951 .00009 0.39910 .00009 -0.177665 0.000004 14 3 13 56729 0.02033 .00009 0.40019 .00009 -0.178766 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 = 0.0847 - 0.1014 cos A + 0.0349 sin A + 0.0368 cos C + 0.0247 sin C y = 0.3517 + 0.0282 cos A + 0.0940 sin A + 0.0247 cos C - 0.0368 sin C UT1-UTC = -0.1724 - 0.00101 (MJD - 56737) - (UT2-UT1) where A = 2*pi*(MJD-56729)/365.25 and C = 2*pi*(MJD-56729)/435. TAI-UTC(MJD 56730) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56729)**0.80 S t = 0.00025 (MJD-56729)**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) 2014 3 14 56730 0.0212 0.4014 -0.17995 2014 3 15 56731 0.0221 0.4026 -0.18122 2014 3 16 56732 0.0230 0.4039 -0.18253 2014 3 17 56733 0.0238 0.4052 -0.18385 2014 3 18 56734 0.0246 0.4064 -0.18517 2014 3 19 56735 0.0253 0.4077 -0.18647 2014 3 20 56736 0.0261 0.4089 -0.18774 2014 3 21 56737 0.0269 0.4101 -0.18893 2014 3 22 56738 0.0278 0.4113 -0.19005 2014 3 23 56739 0.0287 0.4125 -0.19111 2014 3 24 56740 0.0297 0.4138 -0.19219 2014 3 25 56741 0.0308 0.4150 -0.19339 2014 3 26 56742 0.0318 0.4162 -0.19475 2014 3 27 56743 0.0329 0.4174 -0.19632 2014 3 28 56744 0.0340 0.4185 -0.19809 2014 3 29 56745 0.0352 0.4197 -0.20001 2014 3 30 56746 0.0364 0.4208 -0.20199 2014 3 31 56747 0.0376 0.4219 -0.20393 2014 4 1 56748 0.0388 0.4230 -0.20578 2014 4 2 56749 0.0401 0.4240 -0.20746 2014 4 3 56750 0.0414 0.4251 -0.20897 2014 4 4 56751 0.0427 0.4261 -0.21033 2014 4 5 56752 0.0440 0.4271 -0.21159 2014 4 6 56753 0.0454 0.4282 -0.21279 2014 4 7 56754 0.0468 0.4291 -0.21398 2014 4 8 56755 0.0482 0.4301 -0.21519 2014 4 9 56756 0.0497 0.4310 -0.21645 2014 4 10 56757 0.0512 0.4320 -0.21778 2014 4 11 56758 0.0527 0.4328 -0.21918 2014 4 12 56759 0.0542 0.4337 -0.22065 2014 4 13 56760 0.0557 0.4346 -0.22217 2014 4 14 56761 0.0573 0.4354 -0.22372 2014 4 15 56762 0.0589 0.4362 -0.22525 2014 4 16 56763 0.0605 0.4370 -0.22674 2014 4 17 56764 0.0621 0.4377 -0.22815 2014 4 18 56765 0.0638 0.4385 -0.22948 2014 4 19 56766 0.0654 0.4392 -0.23074 2014 4 20 56767 0.0671 0.4399 -0.23199 2014 4 21 56768 0.0688 0.4405 -0.23327 2014 4 22 56769 0.0705 0.4412 -0.23465 2014 4 23 56770 0.0723 0.4418 -0.23614 2014 4 24 56771 0.0740 0.4423 -0.23775 2014 4 25 56772 0.0758 0.4429 -0.23946 2014 4 26 56773 0.0776 0.4434 -0.24121 2014 4 27 56774 0.0794 0.4439 -0.24292 2014 4 28 56775 0.0812 0.4444 -0.24453 2014 4 29 56776 0.0830 0.4448 -0.24600 2014 4 30 56777 0.0849 0.4453 -0.24730 2014 5 1 56778 0.0867 0.4456 -0.24845 2014 5 2 56779 0.0886 0.4460 -0.24950 2014 5 3 56780 0.0904 0.4463 -0.25047 2014 5 4 56781 0.0923 0.4466 -0.25141 2014 5 5 56782 0.0942 0.4469 -0.25236 2014 5 6 56783 0.0961 0.4472 -0.25335 2014 5 7 56784 0.0980 0.4474 -0.25440 2014 5 8 56785 0.1000 0.4476 -0.25552 2014 5 9 56786 0.1019 0.4477 -0.25672 2014 5 10 56787 0.1038 0.4479 -0.25797 2014 5 11 56788 0.1058 0.4480 -0.25925 2014 5 12 56789 0.1077 0.4480 -0.26054 2014 5 13 56790 0.1097 0.4481 -0.26178 2014 5 14 56791 0.1117 0.4481 -0.26295 2014 5 15 56792 0.1136 0.4481 -0.26403 2014 5 16 56793 0.1156 0.4480 -0.26502 2014 5 17 56794 0.1176 0.4479 -0.26596 2014 5 18 56795 0.1196 0.4478 -0.26689 2014 5 19 56796 0.1215 0.4477 -0.26789 2014 5 20 56797 0.1235 0.4475 -0.26898 2014 5 21 56798 0.1255 0.4473 -0.27016 2014 5 22 56799 0.1275 0.4470 -0.27143 2014 5 23 56800 0.1295 0.4468 -0.27272 2014 5 24 56801 0.1315 0.4465 -0.27397 2014 5 25 56802 0.1335 0.4462 -0.27512 2014 5 26 56803 0.1354 0.4458 -0.27613 2014 5 27 56804 0.1374 0.4454 -0.27697 2014 5 28 56805 0.1394 0.4450 -0.27765 2014 5 29 56806 0.1414 0.4445 -0.27819 2014 5 30 56807 0.1433 0.4441 -0.27862 2014 5 31 56808 0.1453 0.4435 -0.27900 2014 6 1 56809 0.1473 0.4430 -0.27937 2014 6 2 56810 0.1492 0.4424 -0.27976 2014 6 3 56811 0.1512 0.4418 -0.28020 2014 6 4 56812 0.1531 0.4412 -0.28070 2014 6 5 56813 0.1550 0.4405 -0.28127 2014 6 6 56814 0.1570 0.4398 -0.28190 2014 6 7 56815 0.1589 0.4391 -0.28256 2014 6 8 56816 0.1608 0.4384 -0.28323 2014 6 9 56817 0.1627 0.4376 -0.28389 2014 6 10 56818 0.1646 0.4368 -0.28449 2014 6 11 56819 0.1664 0.4359 -0.28501 2014 6 12 56820 0.1683 0.4350 -0.28545 2014 6 13 56821 0.1702 0.4341 -0.28583 2014 6 14 56822 0.1720 0.4332 -0.28620 2014 6 15 56823 0.1738 0.4322 -0.28662 2014 6 16 56824 0.1756 0.4312 -0.28714 2014 6 17 56825 0.1774 0.4302 -0.28777 2014 6 18 56826 0.1792 0.4292 -0.28850 2014 6 19 56827 0.1810 0.4281 -0.28926 2014 6 20 56828 0.1827 0.4270 -0.28999 2014 6 21 56829 0.1845 0.4259 -0.29063 2014 6 22 56830 0.1862 0.4247 -0.29113 2014 6 23 56831 0.1879 0.4235 -0.29147 2014 6 24 56832 0.1895 0.4223 -0.29166 2014 6 25 56833 0.1912 0.4211 -0.29170 2014 6 26 56834 0.1928 0.4198 -0.29165 2014 6 27 56835 0.1945 0.4185 -0.29154 2014 6 28 56836 0.1961 0.4172 -0.29142 2014 6 29 56837 0.1976 0.4158 -0.29132 2014 6 30 56838 0.1992 0.4145 -0.29126 2014 7 1 56839 0.2007 0.4131 -0.29128 2014 7 2 56840 0.2022 0.4117 -0.29138 2014 7 3 56841 0.2037 0.4102 -0.29154 2014 7 4 56842 0.2052 0.4087 -0.29176 2014 7 5 56843 0.2066 0.4073 -0.29201 2014 7 6 56844 0.2081 0.4057 -0.29225 2014 7 7 56845 0.2094 0.4042 -0.29247 2014 7 8 56846 0.2108 0.4026 -0.29264 2014 7 9 56847 0.2122 0.4011 -0.29275 2014 7 10 56848 0.2135 0.3994 -0.29281 2014 7 11 56849 0.2148 0.3978 -0.29286 2014 7 12 56850 0.2160 0.3962 -0.29297 2014 7 13 56851 0.2172 0.3945 -0.29318 2014 7 14 56852 0.2184 0.3928 -0.29355 2014 7 15 56853 0.2196 0.3911 -0.29405 2014 7 16 56854 0.2208 0.3894 -0.29463 2014 7 17 56855 0.2219 0.3876 -0.29522 2014 7 18 56856 0.2230 0.3859 -0.29573 2014 7 19 56857 0.2240 0.3841 -0.29611 2014 7 20 56858 0.2251 0.3823 -0.29633 2014 7 21 56859 0.2260 0.3805 -0.29639 2014 7 22 56860 0.2270 0.3786 -0.29631 2014 7 23 56861 0.2279 0.3768 -0.29614 2014 7 24 56862 0.2288 0.3749 -0.29590 2014 7 25 56863 0.2297 0.3730 -0.29566 2014 7 26 56864 0.2306 0.3711 -0.29544 2014 7 27 56865 0.2314 0.3692 -0.29528 2014 7 28 56866 0.2321 0.3673 -0.29521 2014 7 29 56867 0.2329 0.3653 -0.29522 2014 7 30 56868 0.2336 0.3634 -0.29532 2014 7 31 56869 0.2342 0.3614 -0.29549 2014 8 1 56870 0.2349 0.3594 -0.29570 2014 8 2 56871 0.2355 0.3574 -0.29593 2014 8 3 56872 0.2360 0.3554 -0.29615 2014 8 4 56873 0.2366 0.3534 -0.29634 2014 8 5 56874 0.2370 0.3514 -0.29648 2014 8 6 56875 0.2375 0.3494 -0.29659 2014 8 7 56876 0.2379 0.3473 -0.29670 2014 8 8 56877 0.2383 0.3453 -0.29686 2014 8 9 56878 0.2387 0.3432 -0.29713 2014 8 10 56879 0.2390 0.3412 -0.29756 2014 8 11 56880 0.2392 0.3391 -0.29819 2014 8 12 56881 0.2395 0.3370 -0.29896 2014 8 13 56882 0.2397 0.3350 -0.29982 2014 8 14 56883 0.2398 0.3329 -0.30065 2014 8 15 56884 0.2400 0.3308 -0.30139 2014 8 16 56885 0.2401 0.3287 -0.30197 2014 8 17 56886 0.2401 0.3266 -0.30239 2014 8 18 56887 0.2401 0.3245 -0.30266 2014 8 19 56888 0.2401 0.3224 -0.30282 2014 8 20 56889 0.2400 0.3203 -0.30292 2014 8 21 56890 0.2399 0.3182 -0.30300 2014 8 22 56891 0.2398 0.3161 -0.30311 2014 8 23 56892 0.2396 0.3140 -0.30328 2014 8 24 56893 0.2394 0.3119 -0.30354 2014 8 25 56894 0.2392 0.3098 -0.30389 2014 8 26 56895 0.2389 0.3077 -0.30434 2014 8 27 56896 0.2385 0.3056 -0.30487 2014 8 28 56897 0.2382 0.3035 -0.30545 2014 8 29 56898 0.2378 0.3015 -0.30606 2014 8 30 56899 0.2373 0.2994 -0.30668 2014 8 31 56900 0.2368 0.2973 -0.30726 2014 9 1 56901 0.2363 0.2952 -0.30780 2014 9 2 56902 0.2358 0.2932 -0.30830 2014 9 3 56903 0.2352 0.2911 -0.30879 2014 9 4 56904 0.2345 0.2891 -0.30931 2014 9 5 56905 0.2339 0.2870 -0.30992 2014 9 6 56906 0.2332 0.2850 -0.31067 2014 9 7 56907 0.2324 0.2830 -0.31162 2014 9 8 56908 0.2316 0.2810 -0.31275 2014 9 9 56909 0.2308 0.2790 -0.31402 2014 9 10 56910 0.2300 0.2770 -0.31533 2014 9 11 56911 0.2291 0.2750 -0.31659 2014 9 12 56912 0.2281 0.2730 -0.31770 2014 9 13 56913 0.2272 0.2711 -0.31863 2014 9 14 56914 0.2262 0.2691 -0.31937 2014 9 15 56915 0.2251 0.2672 -0.31995 2014 9 16 56916 0.2240 0.2653 -0.32042 2014 9 17 56917 0.2229 0.2634 -0.32082 2014 9 18 56918 0.2218 0.2615 -0.32120 2014 9 19 56919 0.2206 0.2596 -0.32161 2014 9 20 56920 0.2194 0.2578 -0.32209 2014 9 21 56921 0.2181 0.2560 -0.32268 2014 9 22 56922 0.2168 0.2542 -0.32338 2014 9 23 56923 0.2155 0.2524 -0.32418 2014 9 24 56924 0.2141 0.2506 -0.32509 2014 9 25 56925 0.2128 0.2488 -0.32606 2014 9 26 56926 0.2113 0.2471 -0.32706 2014 9 27 56927 0.2099 0.2454 -0.32807 2014 9 28 56928 0.2084 0.2437 -0.32905 2014 9 29 56929 0.2069 0.2420 -0.32999 2014 9 30 56930 0.2053 0.2404 -0.33091 2014 10 1 56931 0.2037 0.2387 -0.33184 2014 10 2 56932 0.2021 0.2371 -0.33284 2014 10 3 56933 0.2004 0.2355 -0.33395 2014 10 4 56934 0.1988 0.2340 -0.33523 2014 10 5 56935 0.1971 0.2324 -0.33670 2014 10 6 56936 0.1953 0.2309 -0.33834 2014 10 7 56937 0.1935 0.2294 -0.34009 2014 10 8 56938 0.1918 0.2280 -0.34186 2014 10 9 56939 0.1899 0.2266 -0.34357 2014 10 10 56940 0.1881 0.2252 -0.34513 2014 10 11 56941 0.1862 0.2238 -0.34654 2014 10 12 56942 0.1843 0.2224 -0.34779 2014 10 13 56943 0.1823 0.2211 -0.34894 2014 10 14 56944 0.1804 0.2198 -0.35001 2014 10 15 56945 0.1784 0.2186 -0.35105 2014 10 16 56946 0.1764 0.2173 -0.35209 2014 10 17 56947 0.1743 0.2161 -0.35317 2014 10 18 56948 0.1723 0.2149 -0.35432 2014 10 19 56949 0.1702 0.2138 -0.35558 2014 10 20 56950 0.1681 0.2127 -0.35697 2014 10 21 56951 0.1660 0.2116 -0.35846 2014 10 22 56952 0.1638 0.2106 -0.36002 2014 10 23 56953 0.1616 0.2096 -0.36159 2014 10 24 56954 0.1594 0.2086 -0.36309 2014 10 25 56955 0.1572 0.2076 -0.36452 2014 10 26 56956 0.1550 0.2067 -0.36586 2014 10 27 56957 0.1527 0.2058 -0.36712 2014 10 28 56958 0.1505 0.2050 -0.36834 2014 10 29 56959 0.1482 0.2042 -0.36961 2014 10 30 56960 0.1459 0.2034 -0.37098 2014 10 31 56961 0.1435 0.2026 -0.37247 2014 11 1 56962 0.1412 0.2019 -0.37412 2014 11 2 56963 0.1388 0.2012 -0.37593 2014 11 3 56964 0.1365 0.2006 -0.37788 2014 11 4 56965 0.1341 0.2000 -0.37992 2014 11 5 56966 0.1317 0.1994 -0.38189 2014 11 6 56967 0.1293 0.1989 -0.38376 2014 11 7 56968 0.1268 0.1984 -0.38546 2014 11 8 56969 0.1244 0.1979 -0.38704 2014 11 9 56970 0.1219 0.1975 -0.38847 2014 11 10 56971 0.1195 0.1971 -0.38978 2014 11 11 56972 0.1170 0.1968 -0.39105 2014 11 12 56973 0.1145 0.1965 -0.39228 2014 11 13 56974 0.1121 0.1962 -0.39351 2014 11 14 56975 0.1096 0.1960 -0.39479 2014 11 15 56976 0.1071 0.1958 -0.39610 2014 11 16 56977 0.1045 0.1956 -0.39748 2014 11 17 56978 0.1020 0.1955 -0.39890 2014 11 18 56979 0.0995 0.1954 -0.40038 2014 11 19 56980 0.0970 0.1954 -0.40189 2014 11 20 56981 0.0945 0.1954 -0.40342 2014 11 21 56982 0.0919 0.1954 -0.40492 2014 11 22 56983 0.0894 0.1955 -0.40639 2014 11 23 56984 0.0869 0.1956 -0.40775 2014 11 24 56985 0.0843 0.1957 -0.40906 2014 11 25 56986 0.0818 0.1959 -0.41031 2014 11 26 56987 0.0793 0.1961 -0.41157 2014 11 27 56988 0.0767 0.1964 -0.41293 2014 11 28 56989 0.0742 0.1967 -0.41441 2014 11 29 56990 0.0717 0.1971 -0.41602 2014 11 30 56991 0.0691 0.1974 -0.41769 2014 12 1 56992 0.0666 0.1979 -0.41935 2014 12 2 56993 0.0641 0.1983 -0.42094 2014 12 3 56994 0.0616 0.1988 -0.42239 2014 12 4 56995 0.0591 0.1994 -0.42367 2014 12 5 56996 0.0566 0.1999 -0.42480 2014 12 6 56997 0.0541 0.2006 -0.42575 2014 12 7 56998 0.0516 0.2012 -0.42661 2014 12 8 56999 0.0491 0.2019 -0.42744 2014 12 9 57000 0.0467 0.2026 -0.42828 2014 12 10 57001 0.0442 0.2034 -0.42920 2014 12 11 57002 0.0418 0.2042 -0.43020 2014 12 12 57003 0.0393 0.2051 -0.43131 2014 12 13 57004 0.0369 0.2059 -0.43253 2014 12 14 57005 0.0345 0.2069 -0.43385 2014 12 15 57006 0.0321 0.2078 -0.43526 2014 12 16 57007 0.0297 0.2088 -0.43672 2014 12 17 57008 0.0274 0.2098 -0.43816 2014 12 18 57009 0.0250 0.2109 -0.43956 2014 12 19 57010 0.0227 0.2120 -0.44089 2014 12 20 57011 0.0204 0.2132 -0.44220 2014 12 21 57012 0.0181 0.2143 -0.44343 2014 12 22 57013 0.0158 0.2156 -0.44458 2014 12 23 57014 0.0135 0.2168 -0.44579 2014 12 24 57015 0.0113 0.2181 -0.44703 2014 12 25 57016 0.0091 0.2194 -0.44840 2014 12 26 57017 0.0069 0.2208 -0.44988 2014 12 27 57018 0.0047 0.2221 -0.45144 2014 12 28 57019 0.0026 0.2236 -0.45298 2014 12 29 57020 0.0004 0.2250 -0.45448 2014 12 30 57021 -0.0017 0.2265 -0.45588 2014 12 31 57022 -0.0038 0.2280 -0.45707 2015 1 1 57023 -0.0058 0.2296 -0.45809 2015 1 2 57024 -0.0079 0.2312 -0.45898 2015 1 3 57025 -0.0099 0.2328 -0.45975 2015 1 4 57026 -0.0118 0.2345 -0.46042 2015 1 5 57027 -0.0138 0.2361 -0.46102 2015 1 6 57028 -0.0157 0.2379 -0.46161 2015 1 7 57029 -0.0176 0.2396 -0.46221 2015 1 8 57030 -0.0195 0.2414 -0.46285 2015 1 9 57031 -0.0213 0.2432 -0.46357 2015 1 10 57032 -0.0231 0.2450 -0.46448 2015 1 11 57033 -0.0249 0.2469 -0.46546 2015 1 12 57034 -0.0267 0.2488 -0.46654 2015 1 13 57035 -0.0284 0.2507 -0.46771 2015 1 14 57036 -0.0301 0.2526 -0.46895 2015 1 15 57037 -0.0317 0.2546 -0.47021 2015 1 16 57038 -0.0333 0.2566 -0.47146 2015 1 17 57039 -0.0349 0.2586 -0.47262 2015 1 18 57040 -0.0365 0.2607 -0.47376 2015 1 19 57041 -0.0380 0.2627 -0.47496 2015 1 20 57042 -0.0394 0.2648 -0.47628 2015 1 21 57043 -0.0409 0.2670 -0.47776 2015 1 22 57044 -0.0423 0.2691 -0.47942 2015 1 23 57045 -0.0437 0.2713 -0.48120 2015 1 24 57046 -0.0450 0.2735 -0.48304 2015 1 25 57047 -0.0463 0.2757 -0.48485 2015 1 26 57048 -0.0476 0.2779 -0.48657 2015 1 27 57049 -0.0488 0.2802 -0.48814 2015 1 28 57050 -0.0500 0.2825 -0.48956 2015 1 29 57051 -0.0511 0.2848 -0.49086 2015 1 30 57052 -0.0522 0.2871 -0.49204 2015 1 31 57053 -0.0533 0.2894 -0.49311 2015 2 1 57054 -0.0543 0.2918 -0.49419 2015 2 2 57055 -0.0553 0.2941 -0.49530 2015 2 3 57056 -0.0562 0.2965 -0.49640 2015 2 4 57057 -0.0571 0.2989 -0.49754 2015 2 5 57058 -0.0580 0.3013 -0.49876 2015 2 6 57059 -0.0588 0.3037 -0.50001 2015 2 7 57060 -0.0596 0.3062 -0.50133 2015 2 8 57061 -0.0603 0.3086 -0.50265 2015 2 9 57062 -0.0610 0.3111 -0.50398 2015 2 10 57063 -0.0616 0.3136 -0.50531 2015 2 11 57064 -0.0622 0.3161 -0.50660 2015 2 12 57065 -0.0628 0.3186 -0.50784 2015 2 13 57066 -0.0633 0.3211 -0.50907 2015 2 14 57067 -0.0638 0.3236 -0.51028 2015 2 15 57068 -0.0642 0.3262 -0.51148 2015 2 16 57069 -0.0646 0.3287 -0.51273 2015 2 17 57070 -0.0649 0.3312 -0.51409 2015 2 18 57071 -0.0652 0.3338 -0.51562 2015 2 19 57072 -0.0655 0.3364 -0.51738 2015 2 20 57073 -0.0657 0.3389 -0.51928 2015 2 21 57074 -0.0659 0.3415 -0.52120 2015 2 22 57075 -0.0660 0.3441 -0.52310 2015 2 23 57076 -0.0660 0.3467 -0.52492 2015 2 24 57077 -0.0661 0.3492 -0.52653 2015 2 25 57078 -0.0661 0.3518 -0.52793 2015 2 26 57079 -0.0660 0.3544 -0.52920 2015 2 27 57080 -0.0659 0.3570 -0.53036 2015 2 28 57081 -0.0657 0.3596 -0.53148 2015 3 1 57082 -0.0655 0.3622 -0.53262 2015 3 2 57083 -0.0653 0.3647 -0.53381 2015 3 3 57084 -0.0650 0.3673 -0.53507 2015 3 4 57085 -0.0646 0.3699 -0.53641 2015 3 5 57086 -0.0643 0.3725 -0.53787 2015 3 6 57087 -0.0638 0.3750 -0.53941 2015 3 7 57088 -0.0634 0.3776 -0.54096 2015 3 8 57089 -0.0628 0.3802 -0.54256 2015 3 9 57090 -0.0623 0.3827 -0.54420 2015 3 10 57091 -0.0617 0.3853 -0.54581 2015 3 11 57092 -0.0610 0.3878 -0.54739 2015 3 12 57093 -0.0603 0.3903 -0.54890 2015 3 13 57094 -0.0595 0.3928 -0.55036 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) 56703 -80.42 0.29 -10.51 0.12 56704 -80.27 0.33 -10.72 0.11 56705 -80.21 0.33 -10.91 0.11 56706 -80.24 0.48 -10.99 0.09 56707 -80.31 0.18 -10.96 0.07 56708 -80.43 0.18 -10.93 0.07 56709 -80.59 0.18 -10.95 0.07 56710 -80.74 0.10 -10.99 0.07 56711 -80.82 0.10 -11.04 0.07 56712 -80.86 0.10 -11.13 0.07 56713 -80.94 0.30 -11.31 0.03 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56703 0.295 0.115 0.048 0.120 56704 0.297 0.131 0.010 0.110 56705 0.281 0.131 -0.004 0.110 56706 0.257 0.191 -0.012 0.090 56707 0.243 0.072 -0.020 0.070 56708 0.238 0.072 -0.044 0.070 56709 0.252 0.072 -0.059 0.070 56710 0.277 0.040 -0.050 0.070 56711 0.299 0.040 -0.038 0.070 56712 0.304 0.040 -0.022 0.070 56713 0.296 0.119 -0.019 0.030 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).