********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 7 August 2014 Vol. XXVII No. 032 ______________________________________________________________________ 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 8 May 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 8 1 56870 0.19545 .00009 0.38031 .00009 -0.314912 0.000015 14 8 2 56871 0.19606 .00009 0.37899 .00009 -0.315320 0.000011 14 8 3 56872 0.19670 .00009 0.37763 .00009 -0.315658 0.000006 14 8 4 56873 0.19756 .00009 0.37611 .00009 -0.315933 0.000005 14 8 5 56874 0.19862 .00009 0.37455 .00009 -0.316137 0.000004 14 8 6 56875 0.19986 .00009 0.37323 .00009 -0.316290 0.000065 14 8 7 56876 0.20116 .00009 0.37215 .00009 -0.316374 0.000055 IERS Final Values MJD x y UT1-UTC " " s 14 6 2 56810 0.1307 0.4419 -0.28305 14 6 3 56811 0.1317 0.4409 -0.28349 14 6 4 56812 0.1330 0.4397 -0.28398 14 6 5 56813 0.1345 0.4389 -0.28458 14 6 6 56814 0.1363 0.4378 -0.28523 14 6 7 56815 0.1385 0.4374 -0.28594 14 6 8 56816 0.1403 0.4366 -0.28668 14 6 9 56817 0.1422 0.4359 -0.28742 14 6 10 56818 0.1439 0.4353 -0.28809 14 6 11 56819 0.1457 0.4347 -0.28876 14 6 12 56820 0.1475 0.4343 -0.28940 14 6 13 56821 0.1491 0.4335 -0.29006 14 6 14 56822 0.1507 0.4327 -0.29070 14 6 15 56823 0.1525 0.4316 -0.29143 14 6 16 56824 0.1542 0.4307 -0.29226 14 6 17 56825 0.1559 0.4300 -0.29324 14 6 18 56826 0.1573 0.4295 -0.29436 14 6 19 56827 0.1585 0.4289 -0.29551 14 6 20 56828 0.1599 0.4281 -0.29668 14 6 21 56829 0.1609 0.4273 -0.29775 14 6 22 56830 0.1619 0.4263 -0.29866 14 6 23 56831 0.1632 0.4251 -0.29941 14 6 24 56832 0.1647 0.4239 -0.29997 14 6 25 56833 0.1660 0.4226 -0.30039 14 6 26 56834 0.1668 0.4215 -0.30071 14 6 27 56835 0.1674 0.4202 -0.30087 14 6 28 56836 0.1681 0.4191 -0.30102 14 6 29 56837 0.1689 0.4178 -0.30126 14 6 30 56838 0.1697 0.4165 -0.30152 14 7 1 56839 0.1706 0.4150 -0.30183 _______________________________________________________________________ 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 = 0.0986 + 0.0717 cos A + 0.0277 sin A + 0.0231 cos C - 0.0197 sin C y = 0.3648 + 0.0276 cos A - 0.0692 sin A - 0.0197 cos C - 0.0231 sin C UT1-UTC = -0.3455 - 0.00101 (MJD - 56884) - (UT2-UT1) where A = 2*pi*(MJD-56876)/365.25 and C = 2*pi*(MJD-56876)/435. TAI-UTC(MJD 56877) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56876)**0.80 S t = 0.00025 (MJD-56876)**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 8 8 56877 0.2022 0.3711 -0.31651 2014 8 9 56878 0.2031 0.3700 -0.31677 2014 8 10 56879 0.2039 0.3689 -0.31721 2014 8 11 56880 0.2046 0.3676 -0.31781 2014 8 12 56881 0.2052 0.3663 -0.31855 2014 8 13 56882 0.2058 0.3648 -0.31936 2014 8 14 56883 0.2064 0.3633 -0.32015 2014 8 15 56884 0.2070 0.3618 -0.32085 2014 8 16 56885 0.2076 0.3604 -0.32140 2014 8 17 56886 0.2082 0.3589 -0.32176 2014 8 18 56887 0.2087 0.3575 -0.32200 2014 8 19 56888 0.2091 0.3560 -0.32212 2014 8 20 56889 0.2095 0.3545 -0.32219 2014 8 21 56890 0.2099 0.3529 -0.32226 2014 8 22 56891 0.2103 0.3513 -0.32239 2014 8 23 56892 0.2106 0.3498 -0.32262 2014 8 24 56893 0.2110 0.3482 -0.32297 2014 8 25 56894 0.2112 0.3466 -0.32343 2014 8 26 56895 0.2115 0.3450 -0.32402 2014 8 27 56896 0.2117 0.3434 -0.32470 2014 8 28 56897 0.2119 0.3418 -0.32545 2014 8 29 56898 0.2120 0.3402 -0.32625 2014 8 30 56899 0.2121 0.3385 -0.32707 2014 8 31 56900 0.2122 0.3369 -0.32787 2014 9 1 56901 0.2122 0.3352 -0.32864 2014 9 2 56902 0.2122 0.3336 -0.32938 2014 9 3 56903 0.2122 0.3320 -0.33010 2014 9 4 56904 0.2121 0.3303 -0.33085 2014 9 5 56905 0.2120 0.3287 -0.33169 2014 9 6 56906 0.2119 0.3270 -0.33269 2014 9 7 56907 0.2117 0.3254 -0.33389 2014 9 8 56908 0.2116 0.3237 -0.33528 2014 9 9 56909 0.2113 0.3220 -0.33681 2014 9 10 56910 0.2111 0.3204 -0.33840 2014 9 11 56911 0.2108 0.3187 -0.33995 2014 9 12 56912 0.2105 0.3171 -0.34139 2014 9 13 56913 0.2101 0.3154 -0.34267 2014 9 14 56914 0.2097 0.3138 -0.34379 2014 9 15 56915 0.2093 0.3121 -0.34478 2014 9 16 56916 0.2088 0.3105 -0.34568 2014 9 17 56917 0.2084 0.3089 -0.34653 2014 9 18 56918 0.2078 0.3073 -0.34738 2014 9 19 56919 0.2073 0.3056 -0.34827 2014 9 20 56920 0.2067 0.3040 -0.34922 2014 9 21 56921 0.2061 0.3024 -0.35025 2014 9 22 56922 0.2054 0.3008 -0.35137 2014 9 23 56923 0.2048 0.2992 -0.35256 2014 9 24 56924 0.2041 0.2976 -0.35381 2014 9 25 56925 0.2033 0.2961 -0.35509 2014 9 26 56926 0.2026 0.2945 -0.35638 2014 9 27 56927 0.2018 0.2930 -0.35763 2014 9 28 56928 0.2009 0.2914 -0.35885 2014 9 29 56929 0.2001 0.2899 -0.36000 2014 9 30 56930 0.1992 0.2884 -0.36112 2014 10 1 56931 0.1983 0.2869 -0.36224 2014 10 2 56932 0.1973 0.2854 -0.36341 2014 10 3 56933 0.1963 0.2839 -0.36469 2014 10 4 56934 0.1953 0.2824 -0.36614 2014 10 5 56935 0.1943 0.2810 -0.36777 2014 10 6 56936 0.1932 0.2795 -0.36957 2014 10 7 56937 0.1921 0.2781 -0.37147 2014 10 8 56938 0.1910 0.2767 -0.37338 2014 10 9 56939 0.1898 0.2753 -0.37521 2014 10 10 56940 0.1887 0.2739 -0.37691 2014 10 11 56941 0.1875 0.2725 -0.37843 2014 10 12 56942 0.1862 0.2712 -0.37979 2014 10 13 56943 0.1850 0.2699 -0.38103 2014 10 14 56944 0.1837 0.2686 -0.38219 2014 10 15 56945 0.1824 0.2673 -0.38332 2014 10 16 56946 0.1810 0.2660 -0.38445 2014 10 17 56947 0.1797 0.2648 -0.38563 2014 10 18 56948 0.1783 0.2635 -0.38687 2014 10 19 56949 0.1769 0.2623 -0.38820 2014 10 20 56950 0.1754 0.2611 -0.38960 2014 10 21 56951 0.1740 0.2600 -0.39106 2014 10 22 56952 0.1725 0.2588 -0.39255 2014 10 23 56953 0.1710 0.2577 -0.39404 2014 10 24 56954 0.1695 0.2566 -0.39550 2014 10 25 56955 0.1679 0.2555 -0.39689 2014 10 26 56956 0.1663 0.2545 -0.39822 2014 10 27 56957 0.1647 0.2534 -0.39947 2014 10 28 56958 0.1631 0.2524 -0.40069 2014 10 29 56959 0.1615 0.2514 -0.40191 2014 10 30 56960 0.1598 0.2505 -0.40319 2014 10 31 56961 0.1581 0.2495 -0.40459 2014 11 1 56962 0.1565 0.2486 -0.40613 2014 11 2 56963 0.1547 0.2477 -0.40781 2014 11 3 56964 0.1530 0.2469 -0.40959 2014 11 4 56965 0.1513 0.2461 -0.41141 2014 11 5 56966 0.1495 0.2452 -0.41320 2014 11 6 56967 0.1477 0.2445 -0.41487 2014 11 7 56968 0.1459 0.2437 -0.41639 2014 11 8 56969 0.1441 0.2430 -0.41775 2014 11 9 56970 0.1423 0.2423 -0.41897 2014 11 10 56971 0.1404 0.2416 -0.42009 2014 11 11 56972 0.1386 0.2410 -0.42116 2014 11 12 56973 0.1367 0.2404 -0.42222 2014 11 13 56974 0.1348 0.2398 -0.42332 2014 11 14 56975 0.1329 0.2392 -0.42446 2014 11 15 56976 0.1310 0.2387 -0.42567 2014 11 16 56977 0.1291 0.2382 -0.42695 2014 11 17 56978 0.1271 0.2377 -0.42827 2014 11 18 56979 0.1252 0.2373 -0.42963 2014 11 19 56980 0.1232 0.2369 -0.43099 2014 11 20 56981 0.1213 0.2365 -0.43233 2014 11 21 56982 0.1193 0.2361 -0.43362 2014 11 22 56983 0.1173 0.2358 -0.43484 2014 11 23 56984 0.1153 0.2355 -0.43599 2014 11 24 56985 0.1133 0.2352 -0.43716 2014 11 25 56986 0.1113 0.2350 -0.43832 2014 11 26 56987 0.1093 0.2348 -0.43953 2014 11 27 56988 0.1073 0.2346 -0.44084 2014 11 28 56989 0.1053 0.2345 -0.44227 2014 11 29 56990 0.1033 0.2344 -0.44382 2014 11 30 56991 0.1012 0.2343 -0.44545 2014 12 1 56992 0.0992 0.2343 -0.44712 2014 12 2 56993 0.0972 0.2343 -0.44875 2014 12 3 56994 0.0951 0.2343 -0.45030 2014 12 4 56995 0.0931 0.2343 -0.45170 2014 12 5 56996 0.0911 0.2344 -0.45295 2014 12 6 56997 0.0890 0.2345 -0.45405 2014 12 7 56998 0.0870 0.2347 -0.45505 2014 12 8 56999 0.0849 0.2349 -0.45598 2014 12 9 57000 0.0829 0.2351 -0.45689 2014 12 10 57001 0.0809 0.2353 -0.45782 2014 12 11 57002 0.0788 0.2356 -0.45879 2014 12 12 57003 0.0768 0.2359 -0.45981 2014 12 13 57004 0.0748 0.2362 -0.46090 2014 12 14 57005 0.0728 0.2366 -0.46204 2014 12 15 57006 0.0708 0.2370 -0.46322 2014 12 16 57007 0.0688 0.2374 -0.46441 2014 12 17 57008 0.0668 0.2379 -0.46559 2014 12 18 57009 0.0648 0.2384 -0.46674 2014 12 19 57010 0.0628 0.2389 -0.46784 2014 12 20 57011 0.0608 0.2395 -0.46888 2014 12 21 57012 0.0588 0.2400 -0.46986 2014 12 22 57013 0.0569 0.2407 -0.47084 2014 12 23 57014 0.0549 0.2413 -0.47185 2014 12 24 57015 0.0530 0.2420 -0.47295 2014 12 25 57016 0.0511 0.2427 -0.47419 2014 12 26 57017 0.0491 0.2434 -0.47555 2014 12 27 57018 0.0472 0.2442 -0.47701 2014 12 28 57019 0.0454 0.2450 -0.47850 2014 12 29 57020 0.0435 0.2459 -0.47995 2014 12 30 57021 0.0416 0.2467 -0.48131 2014 12 31 57022 0.0398 0.2476 -0.48254 2015 1 1 57023 0.0379 0.2485 -0.48361 2015 1 2 57024 0.0361 0.2495 -0.48455 2015 1 3 57025 0.0343 0.2505 -0.48537 2015 1 4 57026 0.0325 0.2515 -0.48612 2015 1 5 57027 0.0308 0.2525 -0.48686 2015 1 6 57028 0.0290 0.2536 -0.48760 2015 1 7 57029 0.0273 0.2547 -0.48839 2015 1 8 57030 0.0256 0.2558 -0.48925 2015 1 9 57031 0.0239 0.2569 -0.49016 2015 1 10 57032 0.0222 0.2581 -0.49114 2015 1 11 57033 0.0205 0.2593 -0.49217 2015 1 12 57034 0.0189 0.2605 -0.49323 2015 1 13 57035 0.0173 0.2618 -0.49428 2015 1 14 57036 0.0157 0.2631 -0.49532 2015 1 15 57037 0.0141 0.2644 -0.49631 2015 1 16 57038 0.0126 0.2657 -0.49726 2015 1 17 57039 0.0111 0.2671 -0.49817 2015 1 18 57040 0.0096 0.2684 -0.49907 2015 1 19 57041 0.0081 0.2698 -0.50000 2015 1 20 57042 0.0066 0.2713 -0.50102 2015 1 21 57043 0.0052 0.2727 -0.50219 2015 1 22 57044 0.0038 0.2742 -0.50353 2015 1 23 57045 0.0025 0.2757 -0.50500 2015 1 24 57046 0.0011 0.2772 -0.50655 2015 1 25 57047 -0.0002 0.2788 -0.50810 2015 1 26 57048 -0.0015 0.2803 -0.50955 2015 1 27 57049 -0.0028 0.2819 -0.51086 2015 1 28 57050 -0.0040 0.2835 -0.51202 2015 1 29 57051 -0.0052 0.2852 -0.51302 2015 1 30 57052 -0.0064 0.2868 -0.51390 2015 1 31 57053 -0.0075 0.2885 -0.51471 2015 2 1 57054 -0.0086 0.2902 -0.51548 2015 2 2 57055 -0.0097 0.2919 -0.51627 2015 2 3 57056 -0.0108 0.2936 -0.51710 2015 2 4 57057 -0.0118 0.2954 -0.51799 2015 2 5 57058 -0.0128 0.2971 -0.51895 2015 2 6 57059 -0.0138 0.2989 -0.51998 2015 2 7 57060 -0.0147 0.3007 -0.52105 2015 2 8 57061 -0.0156 0.3025 -0.52215 2015 2 9 57062 -0.0164 0.3043 -0.52324 2015 2 10 57063 -0.0173 0.3062 -0.52431 2015 2 11 57064 -0.0181 0.3080 -0.52531 2015 2 12 57065 -0.0188 0.3099 -0.52625 2015 2 13 57066 -0.0196 0.3118 -0.52714 2015 2 14 57067 -0.0203 0.3137 -0.52799 2015 2 15 57068 -0.0209 0.3156 -0.52886 2015 2 16 57069 -0.0216 0.3175 -0.52982 2015 2 17 57070 -0.0222 0.3194 -0.53095 2015 2 18 57071 -0.0227 0.3214 -0.53229 2015 2 19 57072 -0.0232 0.3233 -0.53384 2015 2 20 57073 -0.0237 0.3253 -0.53556 2015 2 21 57074 -0.0242 0.3273 -0.53734 2015 2 22 57075 -0.0246 0.3292 -0.53908 2015 2 23 57076 -0.0250 0.3312 -0.54068 2015 2 24 57077 -0.0253 0.3332 -0.54210 2015 2 25 57078 -0.0256 0.3352 -0.54331 2015 2 26 57079 -0.0259 0.3373 -0.54437 2015 2 27 57080 -0.0261 0.3393 -0.54533 2015 2 28 57081 -0.0263 0.3413 -0.54624 2015 3 1 57082 -0.0265 0.3433 -0.54716 2015 3 2 57083 -0.0266 0.3453 -0.54814 2015 3 3 57084 -0.0267 0.3474 -0.54923 2015 3 4 57085 -0.0268 0.3494 -0.55044 2015 3 5 57086 -0.0268 0.3515 -0.55176 2015 3 6 57087 -0.0268 0.3535 -0.55317 2015 3 7 57088 -0.0267 0.3556 -0.55467 2015 3 8 57089 -0.0266 0.3576 -0.55621 2015 3 9 57090 -0.0265 0.3596 -0.55777 2015 3 10 57091 -0.0263 0.3617 -0.55932 2015 3 11 57092 -0.0261 0.3637 -0.56082 2015 3 12 57093 -0.0259 0.3658 -0.56226 2015 3 13 57094 -0.0256 0.3678 -0.56364 2015 3 14 57095 -0.0252 0.3699 -0.56498 2015 3 15 57096 -0.0249 0.3719 -0.56633 2015 3 16 57097 -0.0245 0.3739 -0.56775 2015 3 17 57098 -0.0241 0.3760 -0.56932 2015 3 18 57099 -0.0236 0.3780 -0.57106 2015 3 19 57100 -0.0231 0.3800 -0.57295 2015 3 20 57101 -0.0225 0.3820 -0.57499 2015 3 21 57102 -0.0220 0.3840 -0.57706 2015 3 22 57103 -0.0213 0.3860 -0.57901 2015 3 23 57104 -0.0207 0.3880 -0.58083 2015 3 24 57105 -0.0200 0.3900 -0.58250 2015 3 25 57106 -0.0193 0.3920 -0.58403 2015 3 26 57107 -0.0185 0.3939 -0.58544 2015 3 27 57108 -0.0177 0.3959 -0.58678 2015 3 28 57109 -0.0169 0.3978 -0.58817 2015 3 29 57110 -0.0160 0.3998 -0.58961 2015 3 30 57111 -0.0151 0.4017 -0.59113 2015 3 31 57112 -0.0142 0.4036 -0.59278 2015 4 1 57113 -0.0132 0.4055 -0.59454 2015 4 2 57114 -0.0122 0.4074 -0.59637 2015 4 3 57115 -0.0111 0.4092 -0.59821 2015 4 4 57116 -0.0101 0.4111 -0.60003 2015 4 5 57117 -0.0089 0.4129 -0.60179 2015 4 6 57118 -0.0078 0.4147 -0.60349 2015 4 7 57119 -0.0066 0.4166 -0.60513 2015 4 8 57120 -0.0054 0.4183 -0.60667 2015 4 9 57121 -0.0042 0.4201 -0.60811 2015 4 10 57122 -0.0029 0.4219 -0.60946 2015 4 11 57123 -0.0016 0.4236 -0.61077 2015 4 12 57124 -0.0002 0.4253 -0.61211 2015 4 13 57125 0.0012 0.4270 -0.61353 2015 4 14 57126 0.0026 0.4287 -0.61513 2015 4 15 57127 0.0040 0.4304 -0.61691 2015 4 16 57128 0.0055 0.4320 -0.61884 2015 4 17 57129 0.0070 0.4336 -0.62085 2015 4 18 57130 0.0085 0.4352 -0.62280 2015 4 19 57131 0.0101 0.4368 -0.62461 2015 4 20 57132 0.0117 0.4384 -0.62623 2015 4 21 57133 0.0133 0.4399 -0.62769 2015 4 22 57134 0.0149 0.4414 -0.62902 2015 4 23 57135 0.0166 0.4429 -0.63025 2015 4 24 57136 0.0183 0.4444 -0.63142 2015 4 25 57137 0.0200 0.4458 -0.63257 2015 4 26 57138 0.0218 0.4472 -0.63376 2015 4 27 57139 0.0236 0.4486 -0.63496 2015 4 28 57140 0.0254 0.4499 -0.63626 2015 4 29 57141 0.0272 0.4513 -0.63761 2015 4 30 57142 0.0291 0.4526 -0.63897 2015 5 1 57143 0.0309 0.4538 -0.64029 2015 5 2 57144 0.0329 0.4551 -0.64163 2015 5 3 57145 0.0348 0.4563 -0.64296 2015 5 4 57146 0.0367 0.4575 -0.64420 2015 5 5 57147 0.0387 0.4587 -0.64537 2015 5 6 57148 0.0407 0.4598 -0.64650 2015 5 7 57149 0.0427 0.4609 -0.64759 2015 5 8 57150 0.0448 0.4620 -0.64859 2015 5 9 57151 0.0468 0.4630 -0.64959 2015 5 10 57152 0.0489 0.4640 -0.65069 2015 5 11 57153 0.0510 0.4650 -0.65190 2015 5 12 57154 0.0531 0.4660 -0.65322 2015 5 13 57155 0.0552 0.4669 -0.65464 2015 5 14 57156 0.0574 0.4678 -0.65610 2015 5 15 57157 0.0596 0.4687 -0.65753 2015 5 16 57158 0.0617 0.4695 -0.65893 2015 5 17 57159 0.0639 0.4703 -0.66016 2015 5 18 57160 0.0662 0.4710 -0.66120 2015 5 19 57161 0.0684 0.4718 -0.66201 2015 5 20 57162 0.0706 0.4724 -0.66264 2015 5 21 57163 0.0729 0.4731 -0.66318 2015 5 22 57164 0.0752 0.4737 -0.66370 2015 5 23 57165 0.0774 0.4743 -0.66428 2015 5 24 57166 0.0797 0.4749 -0.66494 2015 5 25 57167 0.0820 0.4754 -0.66569 2015 5 26 57168 0.0843 0.4759 -0.66642 2015 5 27 57169 0.0867 0.4763 -0.66713 2015 5 28 57170 0.0890 0.4768 -0.66780 2015 5 29 57171 0.0913 0.4771 -0.66846 2015 5 30 57172 0.0937 0.4775 -0.66919 2015 5 31 57173 0.0960 0.4778 -0.66994 2015 6 1 57174 0.0984 0.4781 -0.67063 2015 6 2 57175 0.1008 0.4783 -0.67126 2015 6 3 57176 0.1031 0.4785 -0.67178 2015 6 4 57177 0.1055 0.4787 -0.67223 2015 6 5 57178 0.1079 0.4788 -0.67271 2015 6 6 57179 0.1103 0.4789 -0.67316 2015 6 7 57180 0.1127 0.4790 -0.67363 2015 6 8 57181 0.1151 0.4790 -0.67421 2015 6 9 57182 0.1174 0.4790 -0.67490 2015 6 10 57183 0.1198 0.4790 -0.67566 2015 6 11 57184 0.1222 0.4789 -0.67648 2015 6 12 57185 0.1246 0.4788 -0.67728 2015 6 13 57186 0.1270 0.4786 -0.67799 2015 6 14 57187 0.1294 0.4784 -0.67851 2015 6 15 57188 0.1318 0.4782 -0.67888 2015 6 16 57189 0.1342 0.4779 -0.67912 2015 6 17 57190 0.1365 0.4776 -0.67925 2015 6 18 57191 0.1389 0.4773 -0.67934 2015 6 19 57192 0.1413 0.4769 -0.67950 2015 6 20 57193 0.1436 0.4765 -0.67968 2015 6 21 57194 0.1460 0.4760 -0.67994 2015 6 22 57195 0.1483 0.4756 -0.68025 2015 6 23 57196 0.1507 0.4750 -0.68053 2015 6 24 57197 0.1530 0.4745 -0.68080 2015 6 25 57198 0.1553 0.4739 -0.68104 2015 6 26 57199 0.1576 0.4733 -0.68123 2015 6 27 57200 0.1599 0.4726 -0.68136 2015 6 28 57201 0.1622 0.4719 -0.68147 2015 6 29 57202 0.1645 0.4712 -0.68152 2015 6 30 57203 0.1667 0.4704 -0.68151 2015 7 1 57204 0.1690 0.4696 -0.68150 2015 7 2 57205 0.1712 0.4688 -0.68151 2015 7 3 57206 0.1735 0.4679 -0.68164 2015 7 4 57207 0.1757 0.4670 -0.68197 2015 7 5 57208 0.1779 0.4661 -0.68246 2015 7 6 57209 0.1800 0.4651 -0.68308 2015 7 7 57210 0.1822 0.4641 -0.68372 2015 7 8 57211 0.1843 0.4630 -0.68432 2015 7 9 57212 0.1865 0.4620 -0.68487 2015 7 10 57213 0.1886 0.4609 -0.68531 2015 7 11 57214 0.1906 0.4597 -0.68567 2015 7 12 57215 0.1927 0.4586 -0.68588 2015 7 13 57216 0.1948 0.4574 -0.68594 2015 7 14 57217 0.1968 0.4561 -0.68587 2015 7 15 57218 0.1988 0.4549 -0.68573 2015 7 16 57219 0.2008 0.4536 -0.68560 2015 7 17 57220 0.2027 0.4522 -0.68549 2015 7 18 57221 0.2047 0.4509 -0.68543 2015 7 19 57222 0.2066 0.4495 -0.68546 2015 7 20 57223 0.2084 0.4481 -0.68556 2015 7 21 57224 0.2103 0.4466 -0.68568 2015 7 22 57225 0.2121 0.4451 -0.68584 2015 7 23 57226 0.2140 0.4436 -0.68602 2015 7 24 57227 0.2157 0.4421 -0.68618 2015 7 25 57228 0.2175 0.4405 -0.68631 2015 7 26 57229 0.2192 0.4390 -0.68635 2015 7 27 57230 0.2209 0.4373 -0.68634 2015 7 28 57231 0.2226 0.4357 -0.68633 2015 7 29 57232 0.2242 0.4340 -0.68634 2015 7 30 57233 0.2259 0.4323 -0.68642 2015 7 31 57234 0.2274 0.4306 -0.68664 2015 8 1 57235 0.2290 0.4289 -0.68705 2015 8 2 57236 0.2305 0.4271 -0.68764 2015 8 3 57237 0.2320 0.4253 -0.68835 2015 8 4 57238 0.2335 0.4235 -0.68914 2015 8 5 57239 0.2349 0.4216 -0.68990 2015 8 6 57240 0.2363 0.4198 -0.69052 2015 8 7 57241 0.2377 0.4179 -0.69098 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) 56857 -89.10 0.11 -13.42 0.02 56858 -88.98 0.10 -13.62 0.02 56859 -88.87 0.10 -13.80 0.02 56860 -89.03 0.30 -13.87 0.01 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 56810 -81.4 -13.9 56811 -81.5 -14.0 56812 -81.6 -14.1 56813 -81.6 -14.0 56814 -81.5 -14.0 56815 -81.7 -14.0 56816 -82.1 -14.0 56817 -82.8 -13.8 56818 -83.3 -13.6 56819 -83.0 -13.6 56820 -83.3 -13.4 56821 -83.2 -13.7 56822 -83.1 -13.9 56823 -83.1 -13.9 56824 -83.4 -13.6 56825 -83.8 -13.2 56826 -84.0 -13.2 56827 -84.5 -13.2 56828 -84.5 -13.3 56829 -84.4 -13.4 56830 -84.3 -13.5 56831 -84.5 -13.5 56832 -84.9 -13.5 56833 -85.0 -13.7 56834 -85.2 -13.8 56835 -85.1 -13.9 56836 -85.0 -13.9 56837 -84.9 -13.8 56838 -84.7 -13.9 56839 -84.9 -13.9 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56857 0.122 0.044 -0.244 0.020 56858 0.109 0.040 -0.262 0.020 56859 0.099 0.040 -0.282 0.020 56860 0.092 0.119 -0.293 0.010 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 56810 0.02 -0.11 56811 0.02 -0.08 56812 0.02 -0.11 56813 0.02 -0.03 56814 0.04 -0.09 56815 0.02 -0.10 56816 0.04 -0.11 56817 0.02 -0.02 56818 0.02 -0.06 56819 0.19 -0.26 56820 0.03 -0.03 56821 0.01 -0.06 56822 0.02 -0.03 56823 0.04 -0.08 56824 0.01 -0.11 56825 0.02 -0.04 56826 0.12 -0.18 56827 0.04 -0.12 56828 0.04 -0.07 56829 0.02 -0.03 56830 0.03 -0.05 56831 0.03 -0.02 56832 0.04 -0.03 56833 0.16 -0.22 56834 0.15 -0.27 56835 0.18 -0.31 56836 0.17 -0.30 56837 0.16 -0.26 56838 0.25 -0.41 56839 0.25 -0.40 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).