********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 17 July 2014 Vol. XXVII No. 029 ______________________________________________________________________ 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 *********************************************************************** * There will NOT be a leap second introduced in UTC * * on 31 December 2014. * * * * 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 7 11 56849 0.18007 .00009 0.40478 .00009 -0.305968 0.000011 14 7 12 56850 0.18111 .00009 0.40373 .00009 -0.306373 0.000007 14 7 13 56851 0.18201 .00009 0.40273 .00009 -0.306920 0.000005 14 7 14 56852 0.18268 .00009 0.40174 .00009 -0.307642 0.000003 14 7 15 56853 0.18316 .00009 0.40063 .00009 -0.308501 0.000065 14 7 16 56854 0.18361 .00009 0.39929 .00009 -0.309423 0.000065 14 7 17 56855 0.18409 .00009 0.39786 .00009 -0.310346 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 = 0.0859 + 0.0597 cos A + 0.0625 sin A + 0.0310 cos C - 0.0223 sin C y = 0.3589 + 0.0589 cos A - 0.0574 sin A - 0.0223 cos C - 0.0310 sin C UT1-UTC = -0.3219 - 0.00101 (MJD - 56863) - (UT2-UT1) where A = 2*pi*(MJD-56855)/365.25 and C = 2*pi*(MJD-56855)/435. TAI-UTC(MJD 56856) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56855)**0.80 S t = 0.00025 (MJD-56855)**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 7 18 56856 0.1847 0.3964 -0.31118 2014 7 19 56857 0.1854 0.3950 -0.31188 2014 7 20 56858 0.1862 0.3936 -0.31243 2014 7 21 56859 0.1871 0.3923 -0.31283 2014 7 22 56860 0.1879 0.3911 -0.31307 2014 7 23 56861 0.1888 0.3899 -0.31318 2014 7 24 56862 0.1896 0.3887 -0.31320 2014 7 25 56863 0.1903 0.3874 -0.31319 2014 7 26 56864 0.1911 0.3861 -0.31322 2014 7 27 56865 0.1918 0.3848 -0.31334 2014 7 28 56866 0.1926 0.3834 -0.31357 2014 7 29 56867 0.1933 0.3821 -0.31389 2014 7 30 56868 0.1941 0.3808 -0.31430 2014 7 31 56869 0.1948 0.3794 -0.31479 2014 8 1 56870 0.1955 0.3781 -0.31533 2014 8 2 56871 0.1961 0.3768 -0.31586 2014 8 3 56872 0.1968 0.3754 -0.31636 2014 8 4 56873 0.1974 0.3740 -0.31682 2014 8 5 56874 0.1980 0.3726 -0.31722 2014 8 6 56875 0.1987 0.3712 -0.31760 2014 8 7 56876 0.1993 0.3698 -0.31797 2014 8 8 56877 0.1998 0.3684 -0.31839 2014 8 9 56878 0.2004 0.3670 -0.31893 2014 8 10 56879 0.2009 0.3655 -0.31963 2014 8 11 56880 0.2014 0.3641 -0.32054 2014 8 12 56881 0.2019 0.3626 -0.32160 2014 8 13 56882 0.2023 0.3612 -0.32275 2014 8 14 56883 0.2028 0.3597 -0.32388 2014 8 15 56884 0.2032 0.3582 -0.32490 2014 8 16 56885 0.2036 0.3568 -0.32575 2014 8 17 56886 0.2039 0.3553 -0.32643 2014 8 18 56887 0.2043 0.3538 -0.32694 2014 8 19 56888 0.2046 0.3523 -0.32732 2014 8 20 56889 0.2048 0.3507 -0.32762 2014 8 21 56890 0.2051 0.3492 -0.32788 2014 8 22 56891 0.2053 0.3477 -0.32815 2014 8 23 56892 0.2055 0.3462 -0.32848 2014 8 24 56893 0.2057 0.3446 -0.32888 2014 8 25 56894 0.2058 0.3431 -0.32938 2014 8 26 56895 0.2059 0.3416 -0.32997 2014 8 27 56896 0.2060 0.3400 -0.33065 2014 8 28 56897 0.2061 0.3385 -0.33139 2014 8 29 56898 0.2061 0.3369 -0.33215 2014 8 30 56899 0.2061 0.3354 -0.33291 2014 8 31 56900 0.2061 0.3338 -0.33364 2014 9 1 56901 0.2060 0.3322 -0.33432 2014 9 2 56902 0.2059 0.3307 -0.33497 2014 9 3 56903 0.2058 0.3291 -0.33561 2014 9 4 56904 0.2057 0.3276 -0.33628 2014 9 5 56905 0.2055 0.3260 -0.33705 2014 9 6 56906 0.2053 0.3245 -0.33797 2014 9 7 56907 0.2050 0.3229 -0.33909 2014 9 8 56908 0.2048 0.3213 -0.34039 2014 9 9 56909 0.2045 0.3198 -0.34184 2014 9 10 56910 0.2042 0.3182 -0.34335 2014 9 11 56911 0.2038 0.3167 -0.34480 2014 9 12 56912 0.2034 0.3152 -0.34611 2014 9 13 56913 0.2030 0.3136 -0.34725 2014 9 14 56914 0.2025 0.3121 -0.34821 2014 9 15 56915 0.2021 0.3106 -0.34902 2014 9 16 56916 0.2016 0.3090 -0.34974 2014 9 17 56917 0.2010 0.3075 -0.35041 2014 9 18 56918 0.2005 0.3060 -0.35109 2014 9 19 56919 0.1999 0.3045 -0.35181 2014 9 20 56920 0.1993 0.3030 -0.35260 2014 9 21 56921 0.1986 0.3015 -0.35348 2014 9 22 56922 0.1979 0.3000 -0.35445 2014 9 23 56923 0.1972 0.2986 -0.35549 2014 9 24 56924 0.1965 0.2971 -0.35659 2014 9 25 56925 0.1957 0.2957 -0.35772 2014 9 26 56926 0.1949 0.2942 -0.35885 2014 9 27 56927 0.1941 0.2928 -0.35995 2014 9 28 56928 0.1932 0.2914 -0.36098 2014 9 29 56929 0.1923 0.2900 -0.36194 2014 9 30 56930 0.1914 0.2886 -0.36287 2014 10 1 56931 0.1905 0.2872 -0.36380 2014 10 2 56932 0.1895 0.2858 -0.36478 2014 10 3 56933 0.1885 0.2845 -0.36588 2014 10 4 56934 0.1875 0.2831 -0.36714 2014 10 5 56935 0.1865 0.2818 -0.36859 2014 10 6 56936 0.1854 0.2805 -0.37020 2014 10 7 56937 0.1843 0.2792 -0.37193 2014 10 8 56938 0.1832 0.2779 -0.37366 2014 10 9 56939 0.1820 0.2766 -0.37532 2014 10 10 56940 0.1809 0.2754 -0.37684 2014 10 11 56941 0.1797 0.2741 -0.37818 2014 10 12 56942 0.1784 0.2729 -0.37937 2014 10 13 56943 0.1772 0.2717 -0.38044 2014 10 14 56944 0.1759 0.2705 -0.38144 2014 10 15 56945 0.1746 0.2694 -0.38242 2014 10 16 56946 0.1733 0.2682 -0.38341 2014 10 17 56947 0.1720 0.2671 -0.38445 2014 10 18 56948 0.1706 0.2660 -0.38556 2014 10 19 56949 0.1692 0.2649 -0.38675 2014 10 20 56950 0.1678 0.2639 -0.38802 2014 10 21 56951 0.1664 0.2628 -0.38934 2014 10 22 56952 0.1649 0.2618 -0.39071 2014 10 23 56953 0.1635 0.2608 -0.39208 2014 10 24 56954 0.1620 0.2598 -0.39343 2014 10 25 56955 0.1604 0.2588 -0.39472 2014 10 26 56956 0.1589 0.2579 -0.39596 2014 10 27 56957 0.1574 0.2570 -0.39713 2014 10 28 56958 0.1558 0.2561 -0.39828 2014 10 29 56959 0.1542 0.2552 -0.39945 2014 10 30 56960 0.1526 0.2544 -0.40069 2014 10 31 56961 0.1510 0.2536 -0.40205 2014 11 1 56962 0.1493 0.2528 -0.40355 2014 11 2 56963 0.1477 0.2520 -0.40520 2014 11 3 56964 0.1460 0.2513 -0.40702 2014 11 4 56965 0.1443 0.2506 -0.40887 2014 11 5 56966 0.1426 0.2499 -0.41069 2014 11 6 56967 0.1409 0.2492 -0.41239 2014 11 7 56968 0.1392 0.2485 -0.41394 2014 11 8 56969 0.1374 0.2479 -0.41532 2014 11 9 56970 0.1357 0.2473 -0.41656 2014 11 10 56971 0.1339 0.2468 -0.41771 2014 11 11 56972 0.1321 0.2462 -0.41880 2014 11 12 56973 0.1303 0.2457 -0.41989 2014 11 13 56974 0.1285 0.2452 -0.42101 2014 11 14 56975 0.1267 0.2448 -0.42218 2014 11 15 56976 0.1248 0.2444 -0.42342 2014 11 16 56977 0.1230 0.2440 -0.42473 2014 11 17 56978 0.1212 0.2436 -0.42609 2014 11 18 56979 0.1193 0.2432 -0.42749 2014 11 19 56980 0.1174 0.2429 -0.42889 2014 11 20 56981 0.1156 0.2426 -0.43028 2014 11 21 56982 0.1137 0.2424 -0.43161 2014 11 22 56983 0.1118 0.2422 -0.43289 2014 11 23 56984 0.1099 0.2420 -0.43408 2014 11 24 56985 0.1080 0.2418 -0.43523 2014 11 25 56986 0.1061 0.2416 -0.43637 2014 11 26 56987 0.1042 0.2415 -0.43755 2014 11 27 56988 0.1023 0.2414 -0.43883 2014 11 28 56989 0.1004 0.2414 -0.44022 2014 11 29 56990 0.0985 0.2414 -0.44174 2014 11 30 56991 0.0965 0.2414 -0.44334 2014 12 1 56992 0.0946 0.2414 -0.44496 2014 12 2 56993 0.0927 0.2415 -0.44656 2014 12 3 56994 0.0908 0.2416 -0.44806 2014 12 4 56995 0.0889 0.2417 -0.44941 2014 12 5 56996 0.0869 0.2418 -0.45062 2014 12 6 56997 0.0850 0.2420 -0.45167 2014 12 7 56998 0.0831 0.2422 -0.45262 2014 12 8 56999 0.0812 0.2425 -0.45350 2014 12 9 57000 0.0793 0.2428 -0.45436 2014 12 10 57001 0.0774 0.2431 -0.45524 2014 12 11 57002 0.0755 0.2434 -0.45616 2014 12 12 57003 0.0736 0.2438 -0.45713 2014 12 13 57004 0.0717 0.2441 -0.45817 2014 12 14 57005 0.0698 0.2446 -0.45926 2014 12 15 57006 0.0679 0.2450 -0.46039 2014 12 16 57007 0.0660 0.2455 -0.46153 2014 12 17 57008 0.0641 0.2460 -0.46267 2014 12 18 57009 0.0623 0.2466 -0.46377 2014 12 19 57010 0.0604 0.2471 -0.46482 2014 12 20 57011 0.0586 0.2477 -0.46580 2014 12 21 57012 0.0568 0.2483 -0.46674 2014 12 22 57013 0.0549 0.2490 -0.46767 2014 12 23 57014 0.0531 0.2497 -0.46863 2014 12 24 57015 0.0513 0.2504 -0.46969 2014 12 25 57016 0.0495 0.2511 -0.47087 2014 12 26 57017 0.0478 0.2519 -0.47218 2014 12 27 57018 0.0460 0.2527 -0.47359 2014 12 28 57019 0.0442 0.2535 -0.47503 2014 12 29 57020 0.0425 0.2544 -0.47644 2014 12 30 57021 0.0408 0.2553 -0.47775 2014 12 31 57022 0.0391 0.2562 -0.47892 2015 1 1 57023 0.0374 0.2571 -0.47994 2015 1 2 57024 0.0357 0.2581 -0.48082 2015 1 3 57025 0.0341 0.2591 -0.48159 2015 1 4 57026 0.0324 0.2601 -0.48229 2015 1 5 57027 0.0308 0.2611 -0.48296 2015 1 6 57028 0.0292 0.2622 -0.48365 2015 1 7 57029 0.0276 0.2633 -0.48439 2015 1 8 57030 0.0260 0.2644 -0.48518 2015 1 9 57031 0.0245 0.2656 -0.48603 2015 1 10 57032 0.0230 0.2667 -0.48695 2015 1 11 57033 0.0215 0.2679 -0.48791 2015 1 12 57034 0.0200 0.2691 -0.48890 2015 1 13 57035 0.0185 0.2704 -0.48988 2015 1 14 57036 0.0171 0.2717 -0.49083 2015 1 15 57037 0.0157 0.2729 -0.49174 2015 1 16 57038 0.0143 0.2743 -0.49259 2015 1 17 57039 0.0129 0.2756 -0.49339 2015 1 18 57040 0.0115 0.2770 -0.49417 2015 1 19 57041 0.0102 0.2783 -0.49496 2015 1 20 57042 0.0089 0.2797 -0.49583 2015 1 21 57043 0.0076 0.2812 -0.49684 2015 1 22 57044 0.0064 0.2826 -0.49800 2015 1 23 57045 0.0052 0.2841 -0.49930 2015 1 24 57046 0.0040 0.2856 -0.50067 2015 1 25 57047 0.0028 0.2871 -0.50205 2015 1 26 57048 0.0017 0.2886 -0.50335 2015 1 27 57049 0.0005 0.2901 -0.50452 2015 1 28 57050 -0.0005 0.2917 -0.50554 2015 1 29 57051 -0.0016 0.2933 -0.50642 2015 1 30 57052 -0.0026 0.2949 -0.50719 2015 1 31 57053 -0.0036 0.2965 -0.50789 2015 2 1 57054 -0.0046 0.2981 -0.50859 2015 2 2 57055 -0.0055 0.2998 -0.50933 2015 2 3 57056 -0.0065 0.3015 -0.51015 2015 2 4 57057 -0.0073 0.3031 -0.51106 2015 2 5 57058 -0.0082 0.3048 -0.51206 2015 2 6 57059 -0.0090 0.3065 -0.51314 2015 2 7 57060 -0.0098 0.3083 -0.51426 2015 2 8 57061 -0.0106 0.3100 -0.51541 2015 2 9 57062 -0.0113 0.3118 -0.51657 2015 2 10 57063 -0.0120 0.3135 -0.51771 2015 2 11 57064 -0.0126 0.3153 -0.51883 2015 2 12 57065 -0.0133 0.3171 -0.51993 2015 2 13 57066 -0.0139 0.3189 -0.52102 2015 2 14 57067 -0.0144 0.3207 -0.52214 2015 2 15 57068 -0.0150 0.3225 -0.52333 2015 2 16 57069 -0.0155 0.3244 -0.52466 2015 2 17 57070 -0.0159 0.3262 -0.52619 2015 2 18 57071 -0.0164 0.3281 -0.52795 2015 2 19 57072 -0.0168 0.3299 -0.52992 2015 2 20 57073 -0.0171 0.3318 -0.53203 2015 2 21 57074 -0.0175 0.3337 -0.53416 2015 2 22 57075 -0.0178 0.3355 -0.53622 2015 2 23 57076 -0.0180 0.3374 -0.53812 2015 2 24 57077 -0.0182 0.3393 -0.53984 2015 2 25 57078 -0.0184 0.3412 -0.54135 2015 2 26 57079 -0.0186 0.3431 -0.54269 2015 2 27 57080 -0.0187 0.3450 -0.54388 2015 2 28 57081 -0.0188 0.3469 -0.54496 2015 3 1 57082 -0.0188 0.3489 -0.54601 2015 3 2 57083 -0.0189 0.3508 -0.54706 2015 3 3 57084 -0.0188 0.3527 -0.54818 2015 3 4 57085 -0.0188 0.3546 -0.54940 2015 3 5 57086 -0.0187 0.3565 -0.55068 2015 3 6 57087 -0.0186 0.3585 -0.55205 2015 3 7 57088 -0.0184 0.3604 -0.55343 2015 3 8 57089 -0.0182 0.3623 -0.55479 2015 3 9 57090 -0.0180 0.3642 -0.55613 2015 3 10 57091 -0.0177 0.3661 -0.55748 2015 3 11 57092 -0.0174 0.3681 -0.55880 2015 3 12 57093 -0.0171 0.3700 -0.56008 2015 3 13 57094 -0.0167 0.3719 -0.56135 2015 3 14 57095 -0.0163 0.3738 -0.56262 2015 3 15 57096 -0.0158 0.3757 -0.56396 2015 3 16 57097 -0.0154 0.3776 -0.56540 2015 3 17 57098 -0.0148 0.3795 -0.56705 2015 3 18 57099 -0.0143 0.3813 -0.56890 2015 3 19 57100 -0.0137 0.3832 -0.57091 2015 3 20 57101 -0.0131 0.3851 -0.57299 2015 3 21 57102 -0.0124 0.3870 -0.57514 2015 3 22 57103 -0.0117 0.3888 -0.57722 2015 3 23 57104 -0.0110 0.3907 -0.57914 2015 3 24 57105 -0.0103 0.3925 -0.58087 2015 3 25 57106 -0.0095 0.3943 -0.58247 2015 3 26 57107 -0.0086 0.3961 -0.58396 2015 3 27 57108 -0.0078 0.3979 -0.58530 2015 3 28 57109 -0.0069 0.3997 -0.58657 2015 3 29 57110 -0.0060 0.4015 -0.58787 2015 3 30 57111 -0.0050 0.4033 -0.58920 2015 3 31 57112 -0.0040 0.4050 -0.59056 2015 4 1 57113 -0.0030 0.4068 -0.59196 2015 4 2 57114 -0.0019 0.4085 -0.59337 2015 4 3 57115 -0.0008 0.4102 -0.59480 2015 4 4 57116 0.0003 0.4119 -0.59627 2015 4 5 57117 0.0014 0.4136 -0.59772 2015 4 6 57118 0.0026 0.4153 -0.59910 2015 4 7 57119 0.0039 0.4169 -0.60038 2015 4 8 57120 0.0051 0.4185 -0.60155 2015 4 9 57121 0.0064 0.4202 -0.60266 2015 4 10 57122 0.0077 0.4217 -0.60375 2015 4 11 57123 0.0090 0.4233 -0.60492 2015 4 12 57124 0.0104 0.4249 -0.60622 2015 4 13 57125 0.0118 0.4264 -0.60769 2015 4 14 57126 0.0132 0.4279 -0.60926 2015 4 15 57127 0.0147 0.4294 -0.61096 2015 4 16 57128 0.0162 0.4309 -0.61274 2015 4 17 57129 0.0177 0.4324 -0.61460 2015 4 18 57130 0.0192 0.4338 -0.61656 2015 4 19 57131 0.0208 0.4352 -0.61847 2015 4 20 57132 0.0224 0.4366 -0.62023 2015 4 21 57133 0.0240 0.4380 -0.62182 2015 4 22 57134 0.0256 0.4393 -0.62320 2015 4 23 57135 0.0273 0.4406 -0.62444 2015 4 24 57136 0.0290 0.4419 -0.62562 2015 4 25 57137 0.0307 0.4432 -0.62669 2015 4 26 57138 0.0324 0.4444 -0.62768 2015 4 27 57139 0.0342 0.4457 -0.62870 2015 4 28 57140 0.0360 0.4469 -0.62976 2015 4 29 57141 0.0378 0.4480 -0.63087 2015 4 30 57142 0.0396 0.4492 -0.63205 2015 5 1 57143 0.0415 0.4503 -0.63327 2015 5 2 57144 0.0434 0.4514 -0.63451 2015 5 3 57145 0.0453 0.4524 -0.63568 2015 5 4 57146 0.0472 0.4535 -0.63679 2015 5 5 57147 0.0491 0.4545 -0.63783 2015 5 6 57148 0.0511 0.4554 -0.63880 2015 5 7 57149 0.0531 0.4564 -0.63970 2015 5 8 57150 0.0551 0.4573 -0.64066 2015 5 9 57151 0.0571 0.4582 -0.64165 2015 5 10 57152 0.0591 0.4590 -0.64276 2015 5 11 57153 0.0611 0.4599 -0.64398 2015 5 12 57154 0.0632 0.4607 -0.64530 2015 5 13 57155 0.0653 0.4614 -0.64670 2015 5 14 57156 0.0674 0.4622 -0.64815 2015 5 15 57157 0.0695 0.4629 -0.64959 2015 5 16 57158 0.0716 0.4635 -0.65093 2015 5 17 57159 0.0737 0.4642 -0.65219 2015 5 18 57160 0.0759 0.4648 -0.65326 2015 5 19 57161 0.0780 0.4653 -0.65416 2015 5 20 57162 0.0802 0.4659 -0.65496 2015 5 21 57163 0.0824 0.4664 -0.65568 2015 5 22 57164 0.0846 0.4669 -0.65641 2015 5 23 57165 0.0868 0.4673 -0.65722 2015 5 24 57166 0.0890 0.4677 -0.65807 2015 5 25 57167 0.0912 0.4681 -0.65896 2015 5 26 57168 0.0934 0.4685 -0.65982 2015 5 27 57169 0.0956 0.4688 -0.66064 2015 5 28 57170 0.0979 0.4690 -0.66146 2015 5 29 57171 0.1001 0.4693 -0.66227 2015 5 30 57172 0.1024 0.4695 -0.66310 2015 5 31 57173 0.1046 0.4697 -0.66387 2015 6 1 57174 0.1069 0.4698 -0.66455 2015 6 2 57175 0.1091 0.4699 -0.66511 2015 6 3 57176 0.1114 0.4700 -0.66560 2015 6 4 57177 0.1137 0.4700 -0.66604 2015 6 5 57178 0.1159 0.4700 -0.66649 2015 6 6 57179 0.1182 0.4700 -0.66700 2015 6 7 57180 0.1205 0.4700 -0.66765 2015 6 8 57181 0.1228 0.4699 -0.66843 2015 6 9 57182 0.1250 0.4697 -0.66930 2015 6 10 57183 0.1273 0.4696 -0.67026 2015 6 11 57184 0.1296 0.4694 -0.67127 2015 6 12 57185 0.1318 0.4691 -0.67223 2015 6 13 57186 0.1341 0.4688 -0.67307 2015 6 14 57187 0.1363 0.4685 -0.67373 2015 6 15 57188 0.1386 0.4682 -0.67423 2015 6 16 57189 0.1408 0.4678 -0.67459 2015 6 17 57190 0.1431 0.4674 -0.67487 2015 6 18 57191 0.1453 0.4670 -0.67510 2015 6 19 57192 0.1475 0.4665 -0.67535 2015 6 20 57193 0.1498 0.4660 -0.67563 2015 6 21 57194 0.1520 0.4654 -0.67597 2015 6 22 57195 0.1542 0.4649 -0.67632 2015 6 23 57196 0.1564 0.4642 -0.67672 2015 6 24 57197 0.1585 0.4636 -0.67713 2015 6 25 57198 0.1607 0.4629 -0.67748 2015 6 26 57199 0.1629 0.4622 -0.67781 2015 6 27 57200 0.1650 0.4615 -0.67808 2015 6 28 57201 0.1671 0.4607 -0.67833 2015 6 29 57202 0.1693 0.4599 -0.67857 2015 6 30 57203 0.1714 0.4590 -0.67879 2015 7 1 57204 0.1735 0.4581 -0.67900 2015 7 2 57205 0.1755 0.4572 -0.67922 2015 7 3 57206 0.1776 0.4563 -0.67947 2015 7 4 57207 0.1796 0.4553 -0.67980 2015 7 5 57208 0.1817 0.4543 -0.68025 2015 7 6 57209 0.1837 0.4533 -0.68081 2015 7 7 57210 0.1857 0.4522 -0.68146 2015 7 8 57211 0.1877 0.4511 -0.68215 2015 7 9 57212 0.1896 0.4500 -0.68284 2015 7 10 57213 0.1915 0.4488 -0.68342 2015 7 11 57214 0.1935 0.4476 -0.68385 2015 7 12 57215 0.1954 0.4464 -0.68417 2015 7 13 57216 0.1972 0.4452 -0.68438 2015 7 14 57217 0.1991 0.4439 -0.68455 2015 7 15 57218 0.2009 0.4426 -0.68465 2015 7 16 57219 0.2027 0.4412 -0.68475 2015 7 17 57220 0.2045 0.4399 -0.68488 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) 56820 -82.87 0.30 -13.61 0.02 56821 -82.75 0.30 -13.87 0.02 56822 -82.73 0.30 -14.12 0.02 56823 -82.82 0.30 -14.08 0.07 56824 -83.08 0.30 -13.78 0.07 56825 -83.53 0.30 -13.43 0.07 56826 -84.05 0.30 -13.26 0.07 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56820 0.201 0.119 -0.238 0.020 56821 0.190 0.119 -0.232 0.020 56822 0.166 0.119 -0.247 0.020 56823 0.148 0.119 -0.264 0.070 56824 0.137 0.119 -0.289 0.070 56825 0.122 0.119 -0.274 0.070 56826 0.098 0.119 -0.241 0.070 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).