********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 17 October 2013 Vol. XXVI No. 042 ______________________________________________________________________ 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 = +0.0 seconds beginning 22 Aug 2013 at 0000 UTC Beginning 1 July 2012: TAI-UTC = 35.000 000 seconds *********************************************************************** * As of Bulletin A Vol. XXVI, No. 042, on 17 Oct 2013, we have * * replaced the USNO GPS "UT" input based on the IGS rapids with * * the USNO GPS "UT" input based on the "12-hour" IGS ultra-rapid * * observations. The effect appears to be less than 10 us * * in UT1-UTC. * * * * 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 13 10 11 56576 0.11872 .00009 0.28604 .00009 0.000380 0.000018 13 10 12 56577 0.11684 .00009 0.28531 .00009 -0.000762 0.000019 13 10 13 56578 0.11518 .00010 0.28484 .00009 -0.001957 0.000018 13 10 14 56579 0.11389 .00010 0.28449 .00009 -0.003274 0.000011 13 10 15 56580 0.11285 .00009 0.28408 .00009 -0.004706 0.000010 13 10 16 56581 0.11171 .00009 0.28379 .00009 -0.006211 0.000010 13 10 17 56582 0.11021 .00009 0.28368 .00009 -0.007743 0.000008 _______________________________________________________________________ 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 = 0.0894 + 0.0753 cos A - 0.0908 sin A - 0.0517 cos C + 0.0187 sin C y = 0.3456 - 0.0807 cos A - 0.0722 sin A + 0.0187 cos C + 0.0517 sin C UT1-UTC = -0.0362 - 0.00106 (MJD - 56590) - (UT2-UT1) where A = 2*pi*(MJD-56582)/365.25 and C = 2*pi*(MJD-56582)/435. TAI-UTC(MJD 56583) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56582)**0.80 S t = 0.00025 (MJD-56582)**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) 2013 10 18 56583 0.1087 0.2835 -0.00924 2013 10 19 56584 0.1071 0.2832 -0.01062 2013 10 20 56585 0.1055 0.2828 -0.01186 2013 10 21 56586 0.1039 0.2824 -0.01291 2013 10 22 56587 0.1025 0.2821 -0.01382 2013 10 23 56588 0.1011 0.2817 -0.01467 2013 10 24 56589 0.0997 0.2815 -0.01550 2013 10 25 56590 0.0983 0.2813 -0.01634 2013 10 26 56591 0.0970 0.2811 -0.01723 2013 10 27 56592 0.0956 0.2810 -0.01818 2013 10 28 56593 0.0942 0.2809 -0.01923 2013 10 29 56594 0.0928 0.2808 -0.02043 2013 10 30 56595 0.0914 0.2807 -0.02174 2013 10 31 56596 0.0900 0.2806 -0.02315 2013 11 1 56597 0.0887 0.2805 -0.02462 2013 11 2 56598 0.0873 0.2805 -0.02613 2013 11 3 56599 0.0859 0.2805 -0.02760 2013 11 4 56600 0.0846 0.2805 -0.02899 2013 11 5 56601 0.0832 0.2806 -0.03026 2013 11 6 56602 0.0819 0.2806 -0.03145 2013 11 7 56603 0.0805 0.2807 -0.03261 2013 11 8 56604 0.0791 0.2809 -0.03381 2013 11 9 56605 0.0778 0.2810 -0.03512 2013 11 10 56606 0.0764 0.2811 -0.03656 2013 11 11 56607 0.0751 0.2813 -0.03810 2013 11 12 56608 0.0737 0.2815 -0.03970 2013 11 13 56609 0.0724 0.2817 -0.04130 2013 11 14 56610 0.0711 0.2819 -0.04285 2013 11 15 56611 0.0697 0.2822 -0.04430 2013 11 16 56612 0.0684 0.2825 -0.04561 2013 11 17 56613 0.0670 0.2828 -0.04678 2013 11 18 56614 0.0657 0.2831 -0.04782 2013 11 19 56615 0.0644 0.2835 -0.04876 2013 11 20 56616 0.0631 0.2838 -0.04964 2013 11 21 56617 0.0618 0.2842 -0.05050 2013 11 22 56618 0.0604 0.2847 -0.05139 2013 11 23 56619 0.0591 0.2851 -0.05234 2013 11 24 56620 0.0578 0.2855 -0.05339 2013 11 25 56621 0.0565 0.2860 -0.05453 2013 11 26 56622 0.0553 0.2865 -0.05578 2013 11 27 56623 0.0540 0.2871 -0.05713 2013 11 28 56624 0.0527 0.2876 -0.05854 2013 11 29 56625 0.0514 0.2882 -0.05999 2013 11 30 56626 0.0502 0.2888 -0.06143 2013 12 1 56627 0.0489 0.2894 -0.06280 2013 12 2 56628 0.0477 0.2900 -0.06408 2013 12 3 56629 0.0465 0.2907 -0.06529 2013 12 4 56630 0.0452 0.2914 -0.06645 2013 12 5 56631 0.0440 0.2921 -0.06764 2013 12 6 56632 0.0428 0.2928 -0.06891 2013 12 7 56633 0.0416 0.2935 -0.07030 2013 12 8 56634 0.0404 0.2943 -0.07179 2013 12 9 56635 0.0393 0.2951 -0.07335 2013 12 10 56636 0.0381 0.2959 -0.07490 2013 12 11 56637 0.0370 0.2967 -0.07638 2013 12 12 56638 0.0358 0.2976 -0.07776 2013 12 13 56639 0.0347 0.2984 -0.07900 2013 12 14 56640 0.0336 0.2993 -0.08010 2013 12 15 56641 0.0325 0.3002 -0.08107 2013 12 16 56642 0.0315 0.3012 -0.08193 2013 12 17 56643 0.0304 0.3021 -0.08271 2013 12 18 56644 0.0293 0.3031 -0.08347 2013 12 19 56645 0.0283 0.3041 -0.08423 2013 12 20 56646 0.0273 0.3051 -0.08504 2013 12 21 56647 0.0263 0.3061 -0.08592 2013 12 22 56648 0.0253 0.3071 -0.08688 2013 12 23 56649 0.0244 0.3082 -0.08794 2013 12 24 56650 0.0234 0.3093 -0.08909 2013 12 25 56651 0.0225 0.3104 -0.09031 2013 12 26 56652 0.0216 0.3115 -0.09157 2013 12 27 56653 0.0207 0.3127 -0.09285 2013 12 28 56654 0.0198 0.3138 -0.09409 2013 12 29 56655 0.0190 0.3150 -0.09527 2013 12 30 56656 0.0181 0.3162 -0.09638 2013 12 31 56657 0.0173 0.3174 -0.09744 2014 1 1 56658 0.0165 0.3186 -0.09852 2014 1 2 56659 0.0158 0.3198 -0.09967 2014 1 3 56660 0.0150 0.3211 -0.10095 2014 1 4 56661 0.0143 0.3224 -0.10236 2014 1 5 56662 0.0136 0.3236 -0.10386 2014 1 6 56663 0.0129 0.3249 -0.10537 2014 1 7 56664 0.0123 0.3263 -0.10683 2014 1 8 56665 0.0116 0.3276 -0.10817 2014 1 9 56666 0.0110 0.3289 -0.10937 2014 1 10 56667 0.0104 0.3303 -0.11042 2014 1 11 56668 0.0099 0.3316 -0.11133 2014 1 12 56669 0.0093 0.3330 -0.11214 2014 1 13 56670 0.0088 0.3344 -0.11286 2014 1 14 56671 0.0083 0.3358 -0.11356 2014 1 15 56672 0.0079 0.3372 -0.11427 2014 1 16 56673 0.0074 0.3387 -0.11503 2014 1 17 56674 0.0070 0.3401 -0.11588 2014 1 18 56675 0.0067 0.3415 -0.11682 2014 1 19 56676 0.0063 0.3430 -0.11787 2014 1 20 56677 0.0060 0.3445 -0.11901 2014 1 21 56678 0.0057 0.3459 -0.12023 2014 1 22 56679 0.0054 0.3474 -0.12150 2014 1 23 56680 0.0051 0.3489 -0.12277 2014 1 24 56681 0.0049 0.3504 -0.12403 2014 1 25 56682 0.0047 0.3519 -0.12523 2014 1 26 56683 0.0046 0.3534 -0.12638 2014 1 27 56684 0.0044 0.3550 -0.12748 2014 1 28 56685 0.0043 0.3565 -0.12858 2014 1 29 56686 0.0042 0.3580 -0.12976 2014 1 30 56687 0.0042 0.3595 -0.13106 2014 1 31 56688 0.0042 0.3611 -0.13253 2014 2 1 56689 0.0042 0.3626 -0.13415 2014 2 2 56690 0.0042 0.3642 -0.13587 2014 2 3 56691 0.0043 0.3657 -0.13755 2014 2 4 56692 0.0044 0.3673 -0.13915 2014 2 5 56693 0.0045 0.3688 -0.14061 2014 2 6 56694 0.0047 0.3704 -0.14191 2014 2 7 56695 0.0049 0.3720 -0.14306 2014 2 8 56696 0.0051 0.3735 -0.14408 2014 2 9 56697 0.0053 0.3751 -0.14501 2014 2 10 56698 0.0056 0.3767 -0.14589 2014 2 11 56699 0.0059 0.3782 -0.14678 2014 2 12 56700 0.0062 0.3798 -0.14770 2014 2 13 56701 0.0066 0.3813 -0.14870 2014 2 14 56702 0.0070 0.3829 -0.14981 2014 2 15 56703 0.0074 0.3844 -0.15102 2014 2 16 56704 0.0079 0.3860 -0.15234 2014 2 17 56705 0.0084 0.3875 -0.15374 2014 2 18 56706 0.0089 0.3891 -0.15520 2014 2 19 56707 0.0094 0.3906 -0.15667 2014 2 20 56708 0.0100 0.3922 -0.15813 2014 2 21 56709 0.0106 0.3937 -0.15954 2014 2 22 56710 0.0113 0.3952 -0.16088 2014 2 23 56711 0.0119 0.3967 -0.16218 2014 2 24 56712 0.0126 0.3982 -0.16346 2014 2 25 56713 0.0134 0.3997 -0.16479 2014 2 26 56714 0.0141 0.4012 -0.16623 2014 2 27 56715 0.0149 0.4027 -0.16783 2014 2 28 56716 0.0157 0.4042 -0.16961 2014 3 1 56717 0.0166 0.4057 -0.17154 2014 3 2 56718 0.0174 0.4071 -0.17355 2014 3 3 56719 0.0184 0.4086 -0.17553 2014 3 4 56720 0.0193 0.4100 -0.17741 2014 3 5 56721 0.0203 0.4114 -0.17913 2014 3 6 56722 0.0213 0.4129 -0.18069 2014 3 7 56723 0.0223 0.4143 -0.18210 2014 3 8 56724 0.0233 0.4156 -0.18339 2014 3 9 56725 0.0244 0.4170 -0.18461 2014 3 10 56726 0.0255 0.4184 -0.18581 2014 3 11 56727 0.0267 0.4197 -0.18703 2014 3 12 56728 0.0278 0.4211 -0.18830 2014 3 13 56729 0.0290 0.4224 -0.18967 2014 3 14 56730 0.0302 0.4237 -0.19114 2014 3 15 56731 0.0315 0.4250 -0.19271 2014 3 16 56732 0.0328 0.4262 -0.19438 2014 3 17 56733 0.0341 0.4275 -0.19611 2014 3 18 56734 0.0354 0.4287 -0.19787 2014 3 19 56735 0.0367 0.4299 -0.19962 2014 3 20 56736 0.0381 0.4311 -0.20130 2014 3 21 56737 0.0395 0.4323 -0.20292 2014 3 22 56738 0.0409 0.4335 -0.20445 2014 3 23 56739 0.0424 0.4346 -0.20594 2014 3 24 56740 0.0439 0.4357 -0.20744 2014 3 25 56741 0.0454 0.4368 -0.20900 2014 3 26 56742 0.0469 0.4379 -0.21069 2014 3 27 56743 0.0485 0.4390 -0.21253 2014 3 28 56744 0.0500 0.4400 -0.21452 2014 3 29 56745 0.0516 0.4410 -0.21661 2014 3 30 56746 0.0533 0.4420 -0.21874 2014 3 31 56747 0.0549 0.4430 -0.22081 2014 4 1 56748 0.0566 0.4439 -0.22274 2014 4 2 56749 0.0582 0.4448 -0.22451 2014 4 3 56750 0.0599 0.4457 -0.22611 2014 4 4 56751 0.0617 0.4466 -0.22758 2014 4 5 56752 0.0634 0.4475 -0.22893 2014 4 6 56753 0.0652 0.4483 -0.23024 2014 4 7 56754 0.0670 0.4491 -0.23153 2014 4 8 56755 0.0688 0.4498 -0.23285 2014 4 9 56756 0.0706 0.4506 -0.23424 2014 4 10 56757 0.0724 0.4513 -0.23571 2014 4 11 56758 0.0743 0.4520 -0.23728 2014 4 12 56759 0.0762 0.4527 -0.23893 2014 4 13 56760 0.0781 0.4533 -0.24066 2014 4 14 56761 0.0800 0.4539 -0.24243 2014 4 15 56762 0.0819 0.4545 -0.24419 2014 4 16 56763 0.0838 0.4550 -0.24591 2014 4 17 56764 0.0858 0.4556 -0.24755 2014 4 18 56765 0.0878 0.4561 -0.24910 2014 4 19 56766 0.0897 0.4565 -0.25059 2014 4 20 56767 0.0917 0.4570 -0.25205 2014 4 21 56768 0.0938 0.4574 -0.25355 2014 4 22 56769 0.0958 0.4577 -0.25513 2014 4 23 56770 0.0978 0.4581 -0.25684 2014 4 24 56771 0.0998 0.4584 -0.25868 2014 4 25 56772 0.1019 0.4587 -0.26063 2014 4 26 56773 0.1040 0.4589 -0.26261 2014 4 27 56774 0.1060 0.4592 -0.26458 2014 4 28 56775 0.1081 0.4593 -0.26644 2014 4 29 56776 0.1102 0.4595 -0.26815 2014 4 30 56777 0.1123 0.4596 -0.26970 2014 5 1 56778 0.1144 0.4597 -0.27109 2014 5 2 56779 0.1165 0.4598 -0.27234 2014 5 3 56780 0.1186 0.4598 -0.27350 2014 5 4 56781 0.1208 0.4598 -0.27460 2014 5 5 56782 0.1229 0.4598 -0.27568 2014 5 6 56783 0.1250 0.4597 -0.27677 2014 5 7 56784 0.1271 0.4596 -0.27789 2014 5 8 56785 0.1293 0.4595 -0.27908 2014 5 9 56786 0.1314 0.4593 -0.28032 2014 5 10 56787 0.1336 0.4591 -0.28162 2014 5 11 56788 0.1357 0.4589 -0.28296 2014 5 12 56789 0.1379 0.4586 -0.28430 2014 5 13 56790 0.1400 0.4583 -0.28560 2014 5 14 56791 0.1421 0.4580 -0.28685 2014 5 15 56792 0.1443 0.4576 -0.28801 2014 5 16 56793 0.1464 0.4572 -0.28910 2014 5 17 56794 0.1486 0.4568 -0.29015 2014 5 18 56795 0.1507 0.4563 -0.29122 2014 5 19 56796 0.1528 0.4558 -0.29237 2014 5 20 56797 0.1550 0.4553 -0.29362 2014 5 21 56798 0.1571 0.4547 -0.29499 2014 5 22 56799 0.1592 0.4541 -0.29643 2014 5 23 56800 0.1613 0.4535 -0.29788 2014 5 24 56801 0.1634 0.4528 -0.29927 2014 5 25 56802 0.1655 0.4521 -0.30052 2014 5 26 56803 0.1676 0.4514 -0.30160 2014 5 27 56804 0.1697 0.4507 -0.30246 2014 5 28 56805 0.1718 0.4499 -0.30315 2014 5 29 56806 0.1738 0.4490 -0.30370 2014 5 30 56807 0.1759 0.4482 -0.30414 2014 5 31 56808 0.1779 0.4473 -0.30454 2014 6 1 56809 0.1799 0.4463 -0.30499 2014 6 2 56810 0.1820 0.4454 -0.30547 2014 6 3 56811 0.1840 0.4444 -0.30605 2014 6 4 56812 0.1860 0.4434 -0.30671 2014 6 5 56813 0.1879 0.4423 -0.30745 2014 6 6 56814 0.1899 0.4412 -0.30823 2014 6 7 56815 0.1918 0.4401 -0.30905 2014 6 8 56816 0.1938 0.4389 -0.30989 2014 6 9 56817 0.1957 0.4378 -0.31070 2014 6 10 56818 0.1976 0.4365 -0.31144 2014 6 11 56819 0.1995 0.4353 -0.31215 2014 6 12 56820 0.2013 0.4340 -0.31283 2014 6 13 56821 0.2032 0.4327 -0.31347 2014 6 14 56822 0.2050 0.4314 -0.31414 2014 6 15 56823 0.2068 0.4300 -0.31487 2014 6 16 56824 0.2086 0.4286 -0.31570 2014 6 17 56825 0.2104 0.4272 -0.31659 2014 6 18 56826 0.2121 0.4257 -0.31750 2014 6 19 56827 0.2138 0.4243 -0.31839 2014 6 20 56828 0.2155 0.4227 -0.31929 2014 6 21 56829 0.2172 0.4212 -0.32007 2014 6 22 56830 0.2189 0.4196 -0.32070 2014 6 23 56831 0.2205 0.4180 -0.32115 2014 6 24 56832 0.2221 0.4164 -0.32142 2014 6 25 56833 0.2237 0.4148 -0.32152 2014 6 26 56834 0.2252 0.4131 -0.32152 2014 6 27 56835 0.2267 0.4114 -0.32143 2014 6 28 56836 0.2282 0.4097 -0.32127 2014 6 29 56837 0.2297 0.4079 -0.32106 2014 6 30 56838 0.2311 0.4061 -0.32086 2014 7 1 56839 0.2326 0.4043 -0.32068 2014 7 2 56840 0.2339 0.4025 -0.32057 2014 7 3 56841 0.2353 0.4007 -0.32052 2014 7 4 56842 0.2366 0.3988 -0.32050 2014 7 5 56843 0.2379 0.3969 -0.32048 2014 7 6 56844 0.2392 0.3950 -0.32049 2014 7 7 56845 0.2404 0.3930 -0.32055 2014 7 8 56846 0.2416 0.3911 -0.32063 2014 7 9 56847 0.2428 0.3891 -0.32069 2014 7 10 56848 0.2439 0.3871 -0.32074 2014 7 11 56849 0.2450 0.3851 -0.32079 2014 7 12 56850 0.2461 0.3830 -0.32088 2014 7 13 56851 0.2471 0.3810 -0.32106 2014 7 14 56852 0.2482 0.3789 -0.32139 2014 7 15 56853 0.2491 0.3768 -0.32189 2014 7 16 56854 0.2501 0.3747 -0.32247 2014 7 17 56855 0.2510 0.3726 -0.32307 2014 7 18 56856 0.2518 0.3704 -0.32367 2014 7 19 56857 0.2527 0.3683 -0.32421 2014 7 20 56858 0.2534 0.3661 -0.32469 2014 7 21 56859 0.2542 0.3639 -0.32503 2014 7 22 56860 0.2549 0.3617 -0.32532 2014 7 23 56861 0.2556 0.3595 -0.32557 2014 7 24 56862 0.2563 0.3572 -0.32579 2014 7 25 56863 0.2569 0.3550 -0.32599 2014 7 26 56864 0.2574 0.3527 -0.32631 2014 7 27 56865 0.2580 0.3504 -0.32669 2014 7 28 56866 0.2585 0.3482 -0.32711 2014 7 29 56867 0.2589 0.3459 -0.32756 2014 7 30 56868 0.2593 0.3436 -0.32803 2014 7 31 56869 0.2597 0.3412 -0.32851 2014 8 1 56870 0.2600 0.3389 -0.32899 2014 8 2 56871 0.2603 0.3366 -0.32941 2014 8 3 56872 0.2606 0.3343 -0.32979 2014 8 4 56873 0.2608 0.3319 -0.33016 2014 8 5 56874 0.2610 0.3296 -0.33051 2014 8 6 56875 0.2611 0.3272 -0.33078 2014 8 7 56876 0.2612 0.3249 -0.33099 2014 8 8 56877 0.2613 0.3225 -0.33123 2014 8 9 56878 0.2613 0.3201 -0.33155 2014 8 10 56879 0.2613 0.3178 -0.33197 2014 8 11 56880 0.2612 0.3154 -0.33253 2014 8 12 56881 0.2611 0.3130 -0.33322 2014 8 13 56882 0.2609 0.3106 -0.33402 2014 8 14 56883 0.2607 0.3083 -0.33482 2014 8 15 56884 0.2605 0.3059 -0.33549 2014 8 16 56885 0.2602 0.3035 -0.33600 2014 8 17 56886 0.2599 0.3011 -0.33632 2014 8 18 56887 0.2596 0.2988 -0.33648 2014 8 19 56888 0.2592 0.2964 -0.33654 2014 8 20 56889 0.2587 0.2940 -0.33655 2014 8 21 56890 0.2582 0.2917 -0.33654 2014 8 22 56891 0.2577 0.2893 -0.33651 2014 8 23 56892 0.2572 0.2870 -0.33658 2014 8 24 56893 0.2565 0.2846 -0.33673 2014 8 25 56894 0.2559 0.2823 -0.33695 2014 8 26 56895 0.2552 0.2799 -0.33726 2014 8 27 56896 0.2545 0.2776 -0.33762 2014 8 28 56897 0.2537 0.2753 -0.33797 2014 8 29 56898 0.2529 0.2730 -0.33826 2014 8 30 56899 0.2520 0.2707 -0.33855 2014 8 31 56900 0.2512 0.2684 -0.33886 2014 9 1 56901 0.2502 0.2661 -0.33919 2014 9 2 56902 0.2492 0.2639 -0.33951 2014 9 3 56903 0.2482 0.2616 -0.33983 2014 9 4 56904 0.2472 0.2594 -0.34020 2014 9 5 56905 0.2461 0.2572 -0.34071 2014 9 6 56906 0.2449 0.2550 -0.34138 2014 9 7 56907 0.2438 0.2528 -0.34226 2014 9 8 56908 0.2425 0.2506 -0.34336 2014 9 9 56909 0.2413 0.2484 -0.34460 2014 9 10 56910 0.2400 0.2463 -0.34588 2014 9 11 56911 0.2387 0.2442 -0.34708 2014 9 12 56912 0.2373 0.2420 -0.34817 2014 9 13 56913 0.2359 0.2400 -0.34915 2014 9 14 56914 0.2344 0.2379 -0.35003 2014 9 15 56915 0.2330 0.2358 -0.35081 2014 9 16 56916 0.2314 0.2338 -0.35156 2014 9 17 56917 0.2299 0.2318 -0.35231 2014 9 18 56918 0.2283 0.2298 -0.35309 2014 9 19 56919 0.2267 0.2278 -0.35388 2014 9 20 56920 0.2250 0.2259 -0.35478 2014 9 21 56921 0.2233 0.2240 -0.35577 2014 9 22 56922 0.2215 0.2221 -0.35686 2014 9 23 56923 0.2198 0.2202 -0.35806 2014 9 24 56924 0.2180 0.2184 -0.35932 2014 9 25 56925 0.2161 0.2165 -0.36063 2014 9 26 56926 0.2142 0.2148 -0.36199 2014 9 27 56927 0.2123 0.2130 -0.36333 2014 9 28 56928 0.2104 0.2112 -0.36462 2014 9 29 56929 0.2084 0.2095 -0.36588 2014 9 30 56930 0.2064 0.2079 -0.36713 2014 10 1 56931 0.2044 0.2062 -0.36835 2014 10 2 56932 0.2023 0.2046 -0.36954 2014 10 3 56933 0.2002 0.2030 -0.37078 2014 10 4 56934 0.1981 0.2014 -0.37216 2014 10 5 56935 0.1959 0.1999 -0.37365 2014 10 6 56936 0.1937 0.1984 -0.37524 2014 10 7 56937 0.1915 0.1969 -0.37687 2014 10 8 56938 0.1893 0.1955 -0.37842 2014 10 9 56939 0.1870 0.1941 -0.37981 2014 10 10 56940 0.1847 0.1927 -0.38106 2014 10 11 56941 0.1824 0.1914 -0.38221 2014 10 12 56942 0.1800 0.1901 -0.38323 2014 10 13 56943 0.1776 0.1888 -0.38414 2014 10 14 56944 0.1752 0.1876 -0.38503 2014 10 15 56945 0.1728 0.1864 -0.38590 2014 10 16 56946 0.1704 0.1852 -0.38676 2014 10 17 56947 0.1679 0.1841 -0.38764 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) 56556 -88.71 0.17 -12.52 0.09 56557 -88.84 0.30 -12.60 0.07 56558 -89.04 0.11 -12.55 0.07 56559 -89.12 0.18 -12.46 0.06 56560 -88.99 0.18 -12.45 0.05 56561 -88.65 0.18 -12.52 0.05 56562 -88.20 0.18 -12.64 0.05 56563 -87.78 0.18 -12.71 0.05 56564 -87.53 0.13 -12.72 0.05 56565 -87.48 0.13 -12.69 0.05 56566 -87.55 0.30 -12.68 0.04 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56556 -0.206 0.068 0.065 0.090 56557 -0.195 0.119 0.042 0.070 56558 -0.194 0.044 0.036 0.070 56559 -0.191 0.072 0.027 0.060 56560 -0.181 0.072 0.004 0.050 56561 -0.156 0.072 0.008 0.050 56562 -0.123 0.072 0.019 0.050 56563 -0.094 0.072 0.049 0.050 56564 -0.087 0.052 0.069 0.050 56565 -0.097 0.052 0.098 0.050 56566 -0.110 0.119 0.131 0.040 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).