********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 23 January 2014 Vol. XXVII No. 004 ______________________________________________________________________ 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 21 Nov 2013 at 0000 UTC = -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 * * * * There will NOT be a leap second introduced in UTC on * * 30 June 2014. * *********************************************************************** ________________________________________________________________________ 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 1 17 56674 0.02664 .00009 0.33374 .00009 -0.112586 0.000012 14 1 18 56675 0.02584 .00009 0.33507 .00009 -0.113490 0.000013 14 1 19 56676 0.02483 .00009 0.33633 .00009 -0.114549 0.000013 14 1 20 56677 0.02395 .00009 0.33737 .00009 -0.115715 0.000012 14 1 21 56678 0.02378 .00009 0.33822 .00009 -0.116948 0.000011 14 1 22 56679 0.02409 .00009 0.33902 .00009 -0.118220 0.000011 14 1 23 56680 0.02435 .00009 0.33994 .00009 -0.119502 0.000010 _______________________________________________________________________ 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 = 0.0955 - 0.1025 cos A - 0.0447 sin A + 0.0251 cos C + 0.0416 sin C y = 0.3424 - 0.0456 cos A + 0.0946 sin A + 0.0416 cos C - 0.0251 sin C UT1-UTC = -0.1288 - 0.00104 (MJD - 56688) - (UT2-UT1) where A = 2*pi*(MJD-56680)/365.25 and C = 2*pi*(MJD-56680)/435. TAI-UTC(MJD 56681) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56680)**0.80 S t = 0.00025 (MJD-56680)**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 1 24 56681 0.0244 0.3410 -0.12070 2014 1 25 56682 0.0244 0.3422 -0.12179 2014 1 26 56683 0.0243 0.3434 -0.12277 2014 1 27 56684 0.0240 0.3447 -0.12366 2014 1 28 56685 0.0237 0.3460 -0.12453 2014 1 29 56686 0.0234 0.3473 -0.12546 2014 1 30 56687 0.0232 0.3485 -0.12652 2014 1 31 56688 0.0229 0.3497 -0.12775 2014 2 1 56689 0.0228 0.3509 -0.12913 2014 2 2 56690 0.0227 0.3521 -0.13060 2014 2 3 56691 0.0226 0.3533 -0.13211 2014 2 4 56692 0.0225 0.3546 -0.13358 2014 2 5 56693 0.0224 0.3558 -0.13497 2014 2 6 56694 0.0224 0.3571 -0.13624 2014 2 7 56695 0.0223 0.3583 -0.13737 2014 2 8 56696 0.0223 0.3594 -0.13837 2014 2 9 56697 0.0223 0.3606 -0.13926 2014 2 10 56698 0.0224 0.3618 -0.14008 2014 2 11 56699 0.0224 0.3630 -0.14088 2014 2 12 56700 0.0226 0.3642 -0.14170 2014 2 13 56701 0.0227 0.3655 -0.14260 2014 2 14 56702 0.0228 0.3667 -0.14359 2014 2 15 56703 0.0230 0.3680 -0.14471 2014 2 16 56704 0.0232 0.3692 -0.14596 2014 2 17 56705 0.0234 0.3704 -0.14732 2014 2 18 56706 0.0236 0.3717 -0.14876 2014 2 19 56707 0.0239 0.3729 -0.15024 2014 2 20 56708 0.0242 0.3741 -0.15170 2014 2 21 56709 0.0245 0.3754 -0.15311 2014 2 22 56710 0.0249 0.3766 -0.15445 2014 2 23 56711 0.0252 0.3778 -0.15573 2014 2 24 56712 0.0256 0.3790 -0.15698 2014 2 25 56713 0.0261 0.3802 -0.15827 2014 2 26 56714 0.0265 0.3815 -0.15965 2014 2 27 56715 0.0270 0.3827 -0.16119 2014 2 28 56716 0.0275 0.3839 -0.16291 2014 3 1 56717 0.0280 0.3851 -0.16476 2014 3 2 56718 0.0285 0.3863 -0.16669 2014 3 3 56719 0.0291 0.3875 -0.16860 2014 3 4 56720 0.0297 0.3886 -0.17040 2014 3 5 56721 0.0304 0.3898 -0.17204 2014 3 6 56722 0.0310 0.3910 -0.17352 2014 3 7 56723 0.0317 0.3922 -0.17484 2014 3 8 56724 0.0324 0.3933 -0.17606 2014 3 9 56725 0.0332 0.3945 -0.17719 2014 3 10 56726 0.0339 0.3956 -0.17830 2014 3 11 56727 0.0347 0.3967 -0.17942 2014 3 12 56728 0.0355 0.3978 -0.18059 2014 3 13 56729 0.0364 0.3990 -0.18184 2014 3 14 56730 0.0372 0.4001 -0.18318 2014 3 15 56731 0.0381 0.4011 -0.18462 2014 3 16 56732 0.0390 0.4022 -0.18615 2014 3 17 56733 0.0400 0.4033 -0.18775 2014 3 18 56734 0.0409 0.4043 -0.18936 2014 3 19 56735 0.0419 0.4054 -0.19096 2014 3 20 56736 0.0429 0.4064 -0.19251 2014 3 21 56737 0.0440 0.4074 -0.19398 2014 3 22 56738 0.0450 0.4084 -0.19537 2014 3 23 56739 0.0461 0.4094 -0.19672 2014 3 24 56740 0.0472 0.4104 -0.19806 2014 3 25 56741 0.0484 0.4114 -0.19947 2014 3 26 56742 0.0495 0.4123 -0.20100 2014 3 27 56743 0.0507 0.4132 -0.20268 2014 3 28 56744 0.0519 0.4141 -0.20452 2014 3 29 56745 0.0531 0.4150 -0.20646 2014 3 30 56746 0.0544 0.4159 -0.20843 2014 3 31 56747 0.0556 0.4168 -0.21035 2014 4 1 56748 0.0569 0.4176 -0.21213 2014 4 2 56749 0.0582 0.4185 -0.21374 2014 4 3 56750 0.0596 0.4193 -0.21519 2014 4 4 56751 0.0609 0.4201 -0.21649 2014 4 5 56752 0.0623 0.4208 -0.21770 2014 4 6 56753 0.0637 0.4216 -0.21885 2014 4 7 56754 0.0651 0.4223 -0.22000 2014 4 8 56755 0.0665 0.4230 -0.22117 2014 4 9 56756 0.0680 0.4237 -0.22241 2014 4 10 56757 0.0694 0.4244 -0.22374 2014 4 11 56758 0.0709 0.4250 -0.22516 2014 4 12 56759 0.0724 0.4257 -0.22666 2014 4 13 56760 0.0739 0.4263 -0.22823 2014 4 14 56761 0.0755 0.4269 -0.22984 2014 4 15 56762 0.0770 0.4274 -0.23144 2014 4 16 56763 0.0786 0.4280 -0.23299 2014 4 17 56764 0.0802 0.4285 -0.23447 2014 4 18 56765 0.0818 0.4290 -0.23584 2014 4 19 56766 0.0834 0.4294 -0.23715 2014 4 20 56767 0.0850 0.4299 -0.23843 2014 4 21 56768 0.0867 0.4303 -0.23974 2014 4 22 56769 0.0883 0.4307 -0.24113 2014 4 23 56770 0.0900 0.4311 -0.24264 2014 4 24 56771 0.0917 0.4314 -0.24427 2014 4 25 56772 0.0934 0.4318 -0.24600 2014 4 26 56773 0.0951 0.4321 -0.24778 2014 4 27 56774 0.0968 0.4323 -0.24952 2014 4 28 56775 0.0985 0.4326 -0.25117 2014 4 29 56776 0.1003 0.4328 -0.25267 2014 4 30 56777 0.1020 0.4330 -0.25400 2014 5 1 56778 0.1038 0.4332 -0.25517 2014 5 2 56779 0.1055 0.4333 -0.25622 2014 5 3 56780 0.1073 0.4335 -0.25720 2014 5 4 56781 0.1091 0.4336 -0.25814 2014 5 5 56782 0.1109 0.4336 -0.25908 2014 5 6 56783 0.1127 0.4337 -0.26007 2014 5 7 56784 0.1145 0.4337 -0.26112 2014 5 8 56785 0.1163 0.4337 -0.26225 2014 5 9 56786 0.1181 0.4336 -0.26345 2014 5 10 56787 0.1199 0.4336 -0.26472 2014 5 11 56788 0.1217 0.4335 -0.26603 2014 5 12 56789 0.1235 0.4333 -0.26733 2014 5 13 56790 0.1254 0.4332 -0.26858 2014 5 14 56791 0.1272 0.4330 -0.26977 2014 5 15 56792 0.1290 0.4328 -0.27086 2014 5 16 56793 0.1308 0.4326 -0.27186 2014 5 17 56794 0.1327 0.4323 -0.27281 2014 5 18 56795 0.1345 0.4320 -0.27376 2014 5 19 56796 0.1363 0.4317 -0.27477 2014 5 20 56797 0.1382 0.4314 -0.27587 2014 5 21 56798 0.1400 0.4310 -0.27707 2014 5 22 56799 0.1418 0.4306 -0.27835 2014 5 23 56800 0.1436 0.4302 -0.27965 2014 5 24 56801 0.1455 0.4297 -0.28092 2014 5 25 56802 0.1473 0.4292 -0.28209 2014 5 26 56803 0.1491 0.4287 -0.28313 2014 5 27 56804 0.1509 0.4281 -0.28400 2014 5 28 56805 0.1527 0.4276 -0.28471 2014 5 29 56806 0.1545 0.4270 -0.28528 2014 5 30 56807 0.1563 0.4264 -0.28576 2014 5 31 56808 0.1581 0.4257 -0.28618 2014 6 1 56809 0.1598 0.4250 -0.28660 2014 6 2 56810 0.1616 0.4243 -0.28704 2014 6 3 56811 0.1634 0.4236 -0.28753 2014 6 4 56812 0.1651 0.4228 -0.28808 2014 6 5 56813 0.1668 0.4220 -0.28871 2014 6 6 56814 0.1686 0.4212 -0.28940 2014 6 7 56815 0.1703 0.4203 -0.29014 2014 6 8 56816 0.1720 0.4195 -0.29088 2014 6 9 56817 0.1737 0.4186 -0.29161 2014 6 10 56818 0.1754 0.4176 -0.29229 2014 6 11 56819 0.1770 0.4167 -0.29289 2014 6 12 56820 0.1787 0.4157 -0.29340 2014 6 13 56821 0.1803 0.4147 -0.29386 2014 6 14 56822 0.1819 0.4137 -0.29430 2014 6 15 56823 0.1836 0.4126 -0.29480 2014 6 16 56824 0.1851 0.4115 -0.29539 2014 6 17 56825 0.1867 0.4104 -0.29609 2014 6 18 56826 0.1883 0.4093 -0.29689 2014 6 19 56827 0.1898 0.4081 -0.29772 2014 6 20 56828 0.1914 0.4069 -0.29851 2014 6 21 56829 0.1929 0.4057 -0.29921 2014 6 22 56830 0.1943 0.4045 -0.29976 2014 6 23 56831 0.1958 0.4032 -0.30016 2014 6 24 56832 0.1973 0.4019 -0.30040 2014 6 25 56833 0.1987 0.4006 -0.30051 2014 6 26 56834 0.2001 0.3993 -0.30051 2014 6 27 56835 0.2015 0.3980 -0.30045 2014 6 28 56836 0.2028 0.3966 -0.30038 2014 6 29 56837 0.2042 0.3952 -0.30033 2014 6 30 56838 0.2055 0.3938 -0.30034 2014 7 1 56839 0.2068 0.3923 -0.30041 2014 7 2 56840 0.2081 0.3909 -0.30056 2014 7 3 56841 0.2093 0.3894 -0.30078 2014 7 4 56842 0.2105 0.3879 -0.30106 2014 7 5 56843 0.2117 0.3864 -0.30136 2014 7 6 56844 0.2129 0.3848 -0.30166 2014 7 7 56845 0.2140 0.3832 -0.30194 2014 7 8 56846 0.2152 0.3817 -0.30216 2014 7 9 56847 0.2162 0.3801 -0.30232 2014 7 10 56848 0.2173 0.3784 -0.30244 2014 7 11 56849 0.2183 0.3768 -0.30254 2014 7 12 56850 0.2194 0.3751 -0.30270 2014 7 13 56851 0.2203 0.3735 -0.30297 2014 7 14 56852 0.2213 0.3718 -0.30338 2014 7 15 56853 0.2222 0.3701 -0.30393 2014 7 16 56854 0.2231 0.3684 -0.30457 2014 7 17 56855 0.2240 0.3666 -0.30520 2014 7 18 56856 0.2248 0.3649 -0.30576 2014 7 19 56857 0.2256 0.3631 -0.30617 2014 7 20 56858 0.2264 0.3613 -0.30643 2014 7 21 56859 0.2271 0.3595 -0.30652 2014 7 22 56860 0.2278 0.3577 -0.30646 2014 7 23 56861 0.2285 0.3559 -0.30630 2014 7 24 56862 0.2291 0.3540 -0.30607 2014 7 25 56863 0.2297 0.3522 -0.30581 2014 7 26 56864 0.2303 0.3503 -0.30557 2014 7 27 56865 0.2309 0.3485 -0.30538 2014 7 28 56866 0.2314 0.3466 -0.30526 2014 7 29 56867 0.2319 0.3447 -0.30521 2014 7 30 56868 0.2323 0.3428 -0.30525 2014 7 31 56869 0.2327 0.3409 -0.30535 2014 8 1 56870 0.2331 0.3390 -0.30550 2014 8 2 56871 0.2334 0.3370 -0.30570 2014 8 3 56872 0.2337 0.3351 -0.30591 2014 8 4 56873 0.2340 0.3332 -0.30611 2014 8 5 56874 0.2342 0.3312 -0.30631 2014 8 6 56875 0.2344 0.3293 -0.30649 2014 8 7 56876 0.2346 0.3273 -0.30670 2014 8 8 56877 0.2347 0.3254 -0.30698 2014 8 9 56878 0.2348 0.3234 -0.30739 2014 8 10 56879 0.2349 0.3214 -0.30798 2014 8 11 56880 0.2349 0.3194 -0.30876 2014 8 12 56881 0.2349 0.3175 -0.30971 2014 8 13 56882 0.2348 0.3155 -0.31073 2014 8 14 56883 0.2348 0.3135 -0.31174 2014 8 15 56884 0.2346 0.3115 -0.31263 2014 8 16 56885 0.2345 0.3095 -0.31336 2014 8 17 56886 0.2343 0.3076 -0.31392 2014 8 18 56887 0.2340 0.3056 -0.31433 2014 8 19 56888 0.2338 0.3036 -0.31463 2014 8 20 56889 0.2335 0.3016 -0.31486 2014 8 21 56890 0.2331 0.2997 -0.31506 2014 8 22 56891 0.2327 0.2977 -0.31526 2014 8 23 56892 0.2323 0.2957 -0.31551 2014 8 24 56893 0.2319 0.2937 -0.31583 2014 8 25 56894 0.2314 0.2918 -0.31622 2014 8 26 56895 0.2309 0.2898 -0.31667 2014 8 27 56896 0.2303 0.2879 -0.31716 2014 8 28 56897 0.2297 0.2859 -0.31768 2014 8 29 56898 0.2291 0.2840 -0.31821 2014 8 30 56899 0.2284 0.2821 -0.31873 2014 8 31 56900 0.2277 0.2801 -0.31923 2014 9 1 56901 0.2269 0.2782 -0.31971 2014 9 2 56902 0.2261 0.2763 -0.32019 2014 9 3 56903 0.2253 0.2744 -0.32071 2014 9 4 56904 0.2245 0.2725 -0.32131 2014 9 5 56905 0.2236 0.2707 -0.32205 2014 9 6 56906 0.2226 0.2688 -0.32298 2014 9 7 56907 0.2217 0.2670 -0.32416 2014 9 8 56908 0.2207 0.2651 -0.32557 2014 9 9 56909 0.2196 0.2633 -0.32717 2014 9 10 56910 0.2186 0.2615 -0.32881 2014 9 11 56911 0.2175 0.2597 -0.33040 2014 9 12 56912 0.2163 0.2579 -0.33185 2014 9 13 56913 0.2152 0.2561 -0.33316 2014 9 14 56914 0.2139 0.2544 -0.33428 2014 9 15 56915 0.2127 0.2526 -0.33521 2014 9 16 56916 0.2114 0.2509 -0.33606 2014 9 17 56917 0.2101 0.2492 -0.33683 2014 9 18 56918 0.2088 0.2475 -0.33759 2014 9 19 56919 0.2074 0.2459 -0.33839 2014 9 20 56920 0.2060 0.2442 -0.33924 2014 9 21 56921 0.2046 0.2426 -0.34014 2014 9 22 56922 0.2031 0.2410 -0.34113 2014 9 23 56923 0.2016 0.2394 -0.34220 2014 9 24 56924 0.2000 0.2378 -0.34326 2014 9 25 56925 0.1985 0.2363 -0.34433 2014 9 26 56926 0.1969 0.2348 -0.34543 2014 9 27 56927 0.1953 0.2333 -0.34649 2014 9 28 56928 0.1936 0.2318 -0.34746 2014 9 29 56929 0.1919 0.2303 -0.34833 2014 9 30 56930 0.1902 0.2289 -0.34914 2014 10 1 56931 0.1884 0.2275 -0.34992 2014 10 2 56932 0.1867 0.2261 -0.35073 2014 10 3 56933 0.1849 0.2248 -0.35167 2014 10 4 56934 0.1830 0.2234 -0.35289 2014 10 5 56935 0.1812 0.2221 -0.35433 2014 10 6 56936 0.1793 0.2209 -0.35599 2014 10 7 56937 0.1774 0.2196 -0.35785 2014 10 8 56938 0.1755 0.2184 -0.35981 2014 10 9 56939 0.1735 0.2172 -0.36175 2014 10 10 56940 0.1715 0.2160 -0.36358 2014 10 11 56941 0.1695 0.2149 -0.36519 2014 10 12 56942 0.1675 0.2138 -0.36664 2014 10 13 56943 0.1654 0.2127 -0.36798 2014 10 14 56944 0.1633 0.2116 -0.36929 2014 10 15 56945 0.1612 0.2106 -0.37059 2014 10 16 56946 0.1591 0.2096 -0.37192 2014 10 17 56947 0.1569 0.2087 -0.37327 2014 10 18 56948 0.1548 0.2077 -0.37469 2014 10 19 56949 0.1526 0.2068 -0.37618 2014 10 20 56950 0.1504 0.2060 -0.37774 2014 10 21 56951 0.1482 0.2051 -0.37935 2014 10 22 56952 0.1459 0.2043 -0.38101 2014 10 23 56953 0.1437 0.2036 -0.38270 2014 10 24 56954 0.1414 0.2028 -0.38437 2014 10 25 56955 0.1391 0.2022 -0.38595 2014 10 26 56956 0.1368 0.2015 -0.38750 2014 10 27 56957 0.1344 0.2009 -0.38900 2014 10 28 56958 0.1321 0.2003 -0.39042 2014 10 29 56959 0.1297 0.1997 -0.39182 2014 10 30 56960 0.1274 0.1992 -0.39330 2014 10 31 56961 0.1250 0.1987 -0.39486 2014 11 1 56962 0.1226 0.1982 -0.39657 2014 11 2 56963 0.1202 0.1978 -0.39839 2014 11 3 56964 0.1178 0.1974 -0.40031 2014 11 4 56965 0.1153 0.1971 -0.40226 2014 11 5 56966 0.1129 0.1967 -0.40417 2014 11 6 56967 0.1104 0.1965 -0.40597 2014 11 7 56968 0.1080 0.1962 -0.40764 2014 11 8 56969 0.1055 0.1960 -0.40913 2014 11 9 56970 0.1030 0.1959 -0.41045 2014 11 10 56971 0.1006 0.1957 -0.41164 2014 11 11 56972 0.0981 0.1956 -0.41276 2014 11 12 56973 0.0956 0.1956 -0.41384 2014 11 13 56974 0.0931 0.1956 -0.41500 2014 11 14 56975 0.0906 0.1956 -0.41620 2014 11 15 56976 0.0881 0.1956 -0.41744 2014 11 16 56977 0.0856 0.1957 -0.41877 2014 11 17 56978 0.0831 0.1959 -0.42020 2014 11 18 56979 0.0806 0.1960 -0.42163 2014 11 19 56980 0.0780 0.1963 -0.42303 2014 11 20 56981 0.0755 0.1965 -0.42441 2014 11 21 56982 0.0730 0.1968 -0.42575 2014 11 22 56983 0.0705 0.1971 -0.42702 2014 11 23 56984 0.0680 0.1975 -0.42825 2014 11 24 56985 0.0655 0.1979 -0.42944 2014 11 25 56986 0.0630 0.1983 -0.43064 2014 11 26 56987 0.0605 0.1988 -0.43188 2014 11 27 56988 0.0580 0.1993 -0.43326 2014 11 28 56989 0.0555 0.1999 -0.43479 2014 11 29 56990 0.0531 0.2004 -0.43639 2014 11 30 56991 0.0506 0.2011 -0.43811 2014 12 1 56992 0.0481 0.2017 -0.43991 2014 12 2 56993 0.0457 0.2024 -0.44169 2014 12 3 56994 0.0432 0.2032 -0.44338 2014 12 4 56995 0.0408 0.2040 -0.44491 2014 12 5 56996 0.0384 0.2048 -0.44628 2014 12 6 56997 0.0359 0.2056 -0.44746 2014 12 7 56998 0.0335 0.2065 -0.44851 2014 12 8 56999 0.0312 0.2074 -0.44943 2014 12 9 57000 0.0288 0.2084 -0.45029 2014 12 10 57001 0.0264 0.2094 -0.45116 2014 12 11 57002 0.0241 0.2104 -0.45208 2014 12 12 57003 0.0217 0.2115 -0.45304 2014 12 13 57004 0.0194 0.2126 -0.45408 2014 12 14 57005 0.0171 0.2138 -0.45523 2014 12 15 57006 0.0148 0.2150 -0.45644 2014 12 16 57007 0.0126 0.2162 -0.45770 2014 12 17 57008 0.0103 0.2174 -0.45897 2014 12 18 57009 0.0081 0.2187 -0.46023 2014 12 19 57010 0.0059 0.2200 -0.46141 2014 12 20 57011 0.0037 0.2214 -0.46252 2014 12 21 57012 0.0015 0.2228 -0.46360 2014 12 22 57013 -0.0006 0.2242 -0.46465 2014 12 23 57014 -0.0027 0.2257 -0.46573 2014 12 24 57015 -0.0048 0.2272 -0.46694 2014 12 25 57016 -0.0069 0.2287 -0.46834 2014 12 26 57017 -0.0089 0.2302 -0.46988 2014 12 27 57018 -0.0110 0.2318 -0.47157 2014 12 28 57019 -0.0130 0.2335 -0.47329 2014 12 29 57020 -0.0149 0.2351 -0.47497 2014 12 30 57021 -0.0169 0.2368 -0.47652 2014 12 31 57022 -0.0188 0.2385 -0.47785 2015 1 1 57023 -0.0207 0.2403 -0.47898 2015 1 2 57024 -0.0225 0.2420 -0.48002 2015 1 3 57025 -0.0244 0.2438 -0.48092 2015 1 4 57026 -0.0262 0.2457 -0.48174 2015 1 5 57027 -0.0279 0.2475 -0.48251 2015 1 6 57028 -0.0297 0.2494 -0.48329 2015 1 7 57029 -0.0314 0.2513 -0.48407 2015 1 8 57030 -0.0331 0.2533 -0.48492 2015 1 9 57031 -0.0347 0.2553 -0.48581 2015 1 10 57032 -0.0363 0.2573 -0.48670 2015 1 11 57033 -0.0379 0.2593 -0.48758 2015 1 12 57034 -0.0394 0.2614 -0.48843 2015 1 13 57035 -0.0409 0.2634 -0.48924 2015 1 14 57036 -0.0424 0.2655 -0.49002 2015 1 15 57037 -0.0439 0.2677 -0.49077 2015 1 16 57038 -0.0453 0.2698 -0.49145 2015 1 17 57039 -0.0466 0.2720 -0.49206 2015 1 18 57040 -0.0480 0.2742 -0.49269 2015 1 19 57041 -0.0492 0.2764 -0.49343 2015 1 20 57042 -0.0505 0.2787 -0.49434 2015 1 21 57043 -0.0517 0.2809 -0.49544 2015 1 22 57044 -0.0529 0.2832 -0.49675 2015 1 23 57045 -0.0540 0.2855 -0.49821 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) 56661 -81.47 0.30 -9.05 0.18 56662 -81.29 0.11 -8.95 0.06 56663 -81.13 0.11 -8.90 0.06 56664 -81.18 0.30 -8.83 0.02 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56661 0.011 0.119 0.166 0.180 56662 0.022 0.044 0.196 0.060 56663 0.042 0.044 0.202 0.060 56664 0.074 0.119 0.191 0.020 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).