********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 11 December 2014 Vol. XXVII No. 050 ______________________________________________________________________ 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 = -0.4 seconds beginning 25 Sep 2014 at 0000 UTC = -0.5 seconds beginning 25 Dec 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 regular Bulletin A production schedule will not be delayed * * on the upcoming U.S. federal holidays of Dec 25 or Jan 1. * * * * Distribution statement A. Approved for public release: * * distribution unlimited. * * * *********************************************************************** ________________________________________________________________________ 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 12 5 56996 0.07317 .00009 0.26023 .00009 -0.428432 0.000009 14 12 6 56997 0.07200 .00009 0.26095 .00009 -0.429538 0.000008 14 12 7 56998 0.07083 .00009 0.26184 .00009 -0.430508 0.000006 14 12 8 56999 0.06945 .00009 0.26265 .00009 -0.431448 0.000005 14 12 9 57000 0.06756 .00009 0.26353 .00009 -0.432438 0.000065 14 12 10 57001 0.06521 .00009 0.26433 .00009 -0.433469 0.000065 14 12 11 57002 0.06286 .00009 0.26504 .00009 -0.434548 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 = 0.0969 + 0.0034 cos A - 0.0716 sin A - 0.0346 cos C - 0.0370 sin C y = 0.3662 - 0.0647 cos A - 0.0054 sin A - 0.0370 cos C + 0.0346 sin C UT1-UTC = -0.4461 - 0.00103 (MJD - 57010) - (UT2-UT1) where A = 2*pi*(MJD-57002)/365.25 and C = 2*pi*(MJD-57002)/435. TAI-UTC(MJD 57003) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57002)**0.80 S t = 0.00025 (MJD-57002)**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 12 12 57003 0.0606 0.2655 -0.43565 2014 12 13 57004 0.0586 0.2661 -0.43679 2014 12 14 57005 0.0568 0.2666 -0.43795 2014 12 15 57006 0.0552 0.2673 -0.43912 2014 12 16 57007 0.0536 0.2680 -0.44031 2014 12 17 57008 0.0520 0.2687 -0.44148 2014 12 18 57009 0.0503 0.2695 -0.44262 2014 12 19 57010 0.0487 0.2704 -0.44369 2014 12 20 57011 0.0470 0.2712 -0.44471 2014 12 21 57012 0.0454 0.2720 -0.44568 2014 12 22 57013 0.0438 0.2727 -0.44666 2014 12 23 57014 0.0422 0.2735 -0.44769 2014 12 24 57015 0.0407 0.2743 -0.44885 2014 12 25 57016 0.0392 0.2752 -0.45015 2014 12 26 57017 0.0377 0.2761 -0.45156 2014 12 27 57018 0.0362 0.2771 -0.45306 2014 12 28 57019 0.0347 0.2781 -0.45455 2014 12 29 57020 0.0332 0.2791 -0.45599 2014 12 30 57021 0.0318 0.2801 -0.45729 2014 12 31 57022 0.0303 0.2811 -0.45844 2015 1 1 57023 0.0289 0.2822 -0.45942 2015 1 2 57024 0.0275 0.2832 -0.46025 2015 1 3 57025 0.0262 0.2843 -0.46097 2015 1 4 57026 0.0248 0.2854 -0.46161 2015 1 5 57027 0.0235 0.2865 -0.46223 2015 1 6 57028 0.0222 0.2877 -0.46284 2015 1 7 57029 0.0209 0.2888 -0.46350 2015 1 8 57030 0.0197 0.2900 -0.46421 2015 1 9 57031 0.0184 0.2912 -0.46498 2015 1 10 57032 0.0172 0.2925 -0.46582 2015 1 11 57033 0.0160 0.2937 -0.46670 2015 1 12 57034 0.0148 0.2950 -0.46761 2015 1 13 57035 0.0137 0.2962 -0.46852 2015 1 14 57036 0.0126 0.2976 -0.46940 2015 1 15 57037 0.0115 0.2989 -0.47025 2015 1 16 57038 0.0104 0.3002 -0.47105 2015 1 17 57039 0.0094 0.3016 -0.47181 2015 1 18 57040 0.0083 0.3030 -0.47257 2015 1 19 57041 0.0073 0.3044 -0.47336 2015 1 20 57042 0.0064 0.3058 -0.47425 2015 1 21 57043 0.0054 0.3072 -0.47528 2015 1 22 57044 0.0045 0.3087 -0.47649 2015 1 23 57045 0.0036 0.3101 -0.47784 2015 1 24 57046 0.0027 0.3116 -0.47927 2015 1 25 57047 0.0019 0.3131 -0.48069 2015 1 26 57048 0.0011 0.3146 -0.48202 2015 1 27 57049 0.0003 0.3162 -0.48321 2015 1 28 57050 -0.0004 0.3177 -0.48423 2015 1 29 57051 -0.0012 0.3193 -0.48510 2015 1 30 57052 -0.0019 0.3208 -0.48585 2015 1 31 57053 -0.0025 0.3224 -0.48652 2015 2 1 57054 -0.0032 0.3240 -0.48716 2015 2 2 57055 -0.0038 0.3256 -0.48782 2015 2 3 57056 -0.0043 0.3272 -0.48853 2015 2 4 57057 -0.0049 0.3289 -0.48932 2015 2 5 57058 -0.0054 0.3305 -0.49019 2015 2 6 57059 -0.0059 0.3322 -0.49113 2015 2 7 57060 -0.0063 0.3338 -0.49214 2015 2 8 57061 -0.0068 0.3355 -0.49319 2015 2 9 57062 -0.0072 0.3372 -0.49426 2015 2 10 57063 -0.0075 0.3389 -0.49532 2015 2 11 57064 -0.0078 0.3406 -0.49636 2015 2 12 57065 -0.0081 0.3423 -0.49736 2015 2 13 57066 -0.0084 0.3440 -0.49832 2015 2 14 57067 -0.0086 0.3458 -0.49927 2015 2 15 57068 -0.0088 0.3475 -0.50025 2015 2 16 57069 -0.0090 0.3492 -0.50131 2015 2 17 57070 -0.0091 0.3510 -0.50251 2015 2 18 57071 -0.0092 0.3527 -0.50391 2015 2 19 57072 -0.0093 0.3545 -0.50551 2015 2 20 57073 -0.0093 0.3563 -0.50725 2015 2 21 57074 -0.0093 0.3580 -0.50906 2015 2 22 57075 -0.0093 0.3598 -0.51083 2015 2 23 57076 -0.0092 0.3615 -0.51247 2015 2 24 57077 -0.0091 0.3633 -0.51395 2015 2 25 57078 -0.0090 0.3651 -0.51526 2015 2 26 57079 -0.0088 0.3669 -0.51643 2015 2 27 57080 -0.0086 0.3686 -0.51750 2015 2 28 57081 -0.0084 0.3704 -0.51853 2015 3 1 57082 -0.0081 0.3722 -0.51956 2015 3 2 57083 -0.0078 0.3739 -0.52064 2015 3 3 57084 -0.0075 0.3757 -0.52179 2015 3 4 57085 -0.0071 0.3775 -0.52302 2015 3 5 57086 -0.0067 0.3792 -0.52433 2015 3 6 57087 -0.0063 0.3810 -0.52571 2015 3 7 57088 -0.0058 0.3828 -0.52715 2015 3 8 57089 -0.0053 0.3845 -0.52862 2015 3 9 57090 -0.0047 0.3863 -0.53009 2015 3 10 57091 -0.0042 0.3880 -0.53154 2015 3 11 57092 -0.0036 0.3897 -0.53294 2015 3 12 57093 -0.0029 0.3915 -0.53429 2015 3 13 57094 -0.0023 0.3932 -0.53561 2015 3 14 57095 -0.0016 0.3949 -0.53694 2015 3 15 57096 -0.0008 0.3966 -0.53832 2015 3 16 57097 -0.0001 0.3983 -0.53981 2015 3 17 57098 0.0008 0.4000 -0.54148 2015 3 18 57099 0.0016 0.4017 -0.54335 2015 3 19 57100 0.0025 0.4033 -0.54540 2015 3 20 57101 0.0034 0.4050 -0.54758 2015 3 21 57102 0.0043 0.4067 -0.54979 2015 3 22 57103 0.0053 0.4083 -0.55194 2015 3 23 57104 0.0062 0.4099 -0.55393 2015 3 24 57105 0.0073 0.4115 -0.55574 2015 3 25 57106 0.0083 0.4131 -0.55738 2015 3 26 57107 0.0094 0.4147 -0.55888 2015 3 27 57108 0.0105 0.4163 -0.56030 2015 3 28 57109 0.0117 0.4178 -0.56168 2015 3 29 57110 0.0129 0.4194 -0.56306 2015 3 30 57111 0.0141 0.4209 -0.56441 2015 3 31 57112 0.0153 0.4224 -0.56582 2015 4 1 57113 0.0166 0.4239 -0.56730 2015 4 2 57114 0.0179 0.4253 -0.56883 2015 4 3 57115 0.0192 0.4268 -0.57040 2015 4 4 57116 0.0206 0.4282 -0.57199 2015 4 5 57117 0.0219 0.4296 -0.57357 2015 4 6 57118 0.0234 0.4310 -0.57511 2015 4 7 57119 0.0248 0.4324 -0.57660 2015 4 8 57120 0.0263 0.4338 -0.57802 2015 4 9 57121 0.0278 0.4351 -0.57937 2015 4 10 57122 0.0293 0.4364 -0.58070 2015 4 11 57123 0.0308 0.4377 -0.58203 2015 4 12 57124 0.0324 0.4390 -0.58342 2015 4 13 57125 0.0340 0.4403 -0.58494 2015 4 14 57126 0.0356 0.4415 -0.58661 2015 4 15 57127 0.0372 0.4427 -0.58846 2015 4 16 57128 0.0389 0.4439 -0.59045 2015 4 17 57129 0.0406 0.4450 -0.59251 2015 4 18 57130 0.0423 0.4462 -0.59455 2015 4 19 57131 0.0441 0.4473 -0.59648 2015 4 20 57132 0.0458 0.4484 -0.59824 2015 4 21 57133 0.0476 0.4494 -0.59981 2015 4 22 57134 0.0494 0.4504 -0.60122 2015 4 23 57135 0.0512 0.4515 -0.60252 2015 4 24 57136 0.0531 0.4524 -0.60374 2015 4 25 57137 0.0549 0.4534 -0.60495 2015 4 26 57138 0.0568 0.4543 -0.60616 2015 4 27 57139 0.0587 0.4552 -0.60742 2015 4 28 57140 0.0606 0.4561 -0.60872 2015 4 29 57141 0.0626 0.4569 -0.61006 2015 4 30 57142 0.0645 0.4577 -0.61144 2015 5 1 57143 0.0665 0.4585 -0.61283 2015 5 2 57144 0.0685 0.4593 -0.61421 2015 5 3 57145 0.0705 0.4600 -0.61555 2015 5 4 57146 0.0725 0.4607 -0.61683 2015 5 5 57147 0.0746 0.4614 -0.61803 2015 5 6 57148 0.0766 0.4620 -0.61916 2015 5 7 57149 0.0787 0.4626 -0.62023 2015 5 8 57150 0.0807 0.4632 -0.62127 2015 5 9 57151 0.0828 0.4637 -0.62235 2015 5 10 57152 0.0849 0.4642 -0.62350 2015 5 11 57153 0.0870 0.4647 -0.62477 2015 5 12 57154 0.0892 0.4652 -0.62619 2015 5 13 57155 0.0913 0.4656 -0.62772 2015 5 14 57156 0.0934 0.4660 -0.62934 2015 5 15 57157 0.0956 0.4663 -0.63096 2015 5 16 57158 0.0978 0.4666 -0.63251 2015 5 17 57159 0.0999 0.4669 -0.63392 2015 5 18 57160 0.1021 0.4672 -0.63515 2015 5 19 57161 0.1043 0.4674 -0.63621 2015 5 20 57162 0.1065 0.4676 -0.63713 2015 5 21 57163 0.1087 0.4677 -0.63796 2015 5 22 57164 0.1109 0.4679 -0.63874 2015 5 23 57165 0.1131 0.4679 -0.63952 2015 5 24 57166 0.1153 0.4680 -0.64032 2015 5 25 57167 0.1175 0.4680 -0.64115 2015 5 26 57168 0.1197 0.4680 -0.64202 2015 5 27 57169 0.1219 0.4680 -0.64292 2015 5 28 57170 0.1241 0.4679 -0.64383 2015 5 29 57171 0.1263 0.4678 -0.64472 2015 5 30 57172 0.1285 0.4676 -0.64557 2015 5 31 57173 0.1307 0.4674 -0.64637 2015 6 1 57174 0.1330 0.4672 -0.64709 2015 6 2 57175 0.1352 0.4670 -0.64773 2015 6 3 57176 0.1374 0.4667 -0.64830 2015 6 4 57177 0.1396 0.4663 -0.64883 2015 6 5 57178 0.1418 0.4660 -0.64938 2015 6 6 57179 0.1440 0.4656 -0.64998 2015 6 7 57180 0.1462 0.4652 -0.65070 2015 6 8 57181 0.1483 0.4647 -0.65153 2015 6 9 57182 0.1505 0.4642 -0.65248 2015 6 10 57183 0.1527 0.4637 -0.65351 2015 6 11 57184 0.1549 0.4632 -0.65455 2015 6 12 57185 0.1570 0.4626 -0.65555 2015 6 13 57186 0.1592 0.4619 -0.65645 2015 6 14 57187 0.1613 0.4613 -0.65721 2015 6 15 57188 0.1634 0.4606 -0.65783 2015 6 16 57189 0.1655 0.4599 -0.65833 2015 6 17 57190 0.1676 0.4591 -0.65876 2015 6 18 57191 0.1697 0.4583 -0.65917 2015 6 19 57192 0.1718 0.4575 -0.65961 2015 6 20 57193 0.1739 0.4566 -0.66009 2015 6 21 57194 0.1759 0.4557 -0.66065 2015 6 22 57195 0.1780 0.4548 -0.66126 2015 6 23 57196 0.1800 0.4538 -0.66192 2015 6 24 57197 0.1820 0.4528 -0.66261 2015 6 25 57198 0.1840 0.4518 -0.66330 2015 6 26 57199 0.1860 0.4508 -0.66396 2015 6 27 57200 0.1879 0.4497 -0.66457 2015 6 28 57201 0.1898 0.4486 -0.66510 2015 6 29 57202 0.1918 0.4474 -0.66555 2015 6 30 57203 0.1937 0.4463 -0.66593 2015 7 1 57204 0.1955 0.4450 -0.66623 2015 7 2 57205 0.1974 0.4438 -0.66651 2015 7 3 57206 0.1992 0.4425 -0.66682 2015 7 4 57207 0.2011 0.4412 -0.66718 2015 7 5 57208 0.2029 0.4399 -0.66764 2015 7 6 57209 0.2046 0.4386 -0.66820 2015 7 7 57210 0.2064 0.4372 -0.66882 2015 7 8 57211 0.2081 0.4358 -0.66945 2015 7 9 57212 0.2098 0.4343 -0.67003 2015 7 10 57213 0.2115 0.4329 -0.67051 2015 7 11 57214 0.2131 0.4314 -0.67086 2015 7 12 57215 0.2148 0.4298 -0.67107 2015 7 13 57216 0.2164 0.4283 -0.67117 2015 7 14 57217 0.2179 0.4267 -0.67120 2015 7 15 57218 0.2195 0.4251 -0.67119 2015 7 16 57219 0.2210 0.4235 -0.67121 2015 7 17 57220 0.2225 0.4218 -0.67128 2015 7 18 57221 0.2240 0.4201 -0.67144 2015 7 19 57222 0.2254 0.4184 -0.67168 2015 7 20 57223 0.2268 0.4167 -0.67199 2015 7 21 57224 0.2282 0.4150 -0.67232 2015 7 22 57225 0.2295 0.4132 -0.67263 2015 7 23 57226 0.2308 0.4114 -0.67289 2015 7 24 57227 0.2321 0.4096 -0.67309 2015 7 25 57228 0.2333 0.4077 -0.67322 2015 7 26 57229 0.2346 0.4059 -0.67329 2015 7 27 57230 0.2357 0.4040 -0.67329 2015 7 28 57231 0.2369 0.4021 -0.67333 2015 7 29 57232 0.2380 0.4002 -0.67342 2015 7 30 57233 0.2391 0.3982 -0.67365 2015 7 31 57234 0.2402 0.3963 -0.67401 2015 8 1 57235 0.2412 0.3943 -0.67457 2015 8 2 57236 0.2422 0.3923 -0.67530 2015 8 3 57237 0.2431 0.3903 -0.67617 2015 8 4 57238 0.2440 0.3883 -0.67710 2015 8 5 57239 0.2449 0.3862 -0.67799 2015 8 6 57240 0.2457 0.3842 -0.67877 2015 8 7 57241 0.2465 0.3821 -0.67940 2015 8 8 57242 0.2473 0.3800 -0.67983 2015 8 9 57243 0.2480 0.3779 -0.68014 2015 8 10 57244 0.2487 0.3758 -0.68039 2015 8 11 57245 0.2494 0.3737 -0.68063 2015 8 12 57246 0.2500 0.3715 -0.68087 2015 8 13 57247 0.2506 0.3694 -0.68117 2015 8 14 57248 0.2511 0.3672 -0.68151 2015 8 15 57249 0.2516 0.3650 -0.68182 2015 8 16 57250 0.2521 0.3628 -0.68217 2015 8 17 57251 0.2525 0.3606 -0.68257 2015 8 18 57252 0.2529 0.3584 -0.68296 2015 8 19 57253 0.2532 0.3562 -0.68332 2015 8 20 57254 0.2535 0.3540 -0.68364 2015 8 21 57255 0.2538 0.3518 -0.68385 2015 8 22 57256 0.2540 0.3495 -0.68395 2015 8 23 57257 0.2542 0.3473 -0.68393 2015 8 24 57258 0.2544 0.3450 -0.68390 2015 8 25 57259 0.2545 0.3428 -0.68398 2015 8 26 57260 0.2546 0.3405 -0.68414 2015 8 27 57261 0.2546 0.3383 -0.68440 2015 8 28 57262 0.2546 0.3360 -0.68486 2015 8 29 57263 0.2545 0.3338 -0.68555 2015 8 30 57264 0.2545 0.3315 -0.68646 2015 8 31 57265 0.2543 0.3292 -0.68753 2015 9 1 57266 0.2542 0.3270 -0.68869 2015 9 2 57267 0.2539 0.3247 -0.68984 2015 9 3 57268 0.2537 0.3224 -0.69086 2015 9 4 57269 0.2534 0.3202 -0.69164 2015 9 5 57270 0.2531 0.3179 -0.69223 2015 9 6 57271 0.2527 0.3157 -0.69266 2015 9 7 57272 0.2523 0.3134 -0.69296 2015 9 8 57273 0.2518 0.3111 -0.69321 2015 9 9 57274 0.2513 0.3089 -0.69349 2015 9 10 57275 0.2508 0.3067 -0.69385 2015 9 11 57276 0.2502 0.3044 -0.69429 2015 9 12 57277 0.2496 0.3022 -0.69483 2015 9 13 57278 0.2490 0.3000 -0.69551 2015 9 14 57279 0.2483 0.2978 -0.69621 2015 9 15 57280 0.2475 0.2956 -0.69693 2015 9 16 57281 0.2468 0.2934 -0.69763 2015 9 17 57282 0.2459 0.2912 -0.69823 2015 9 18 57283 0.2451 0.2890 -0.69871 2015 9 19 57284 0.2442 0.2868 -0.69911 2015 9 20 57285 0.2433 0.2847 -0.69945 2015 9 21 57286 0.2423 0.2825 -0.69977 2015 9 22 57287 0.2413 0.2804 -0.70013 2015 9 23 57288 0.2403 0.2783 -0.70063 2015 9 24 57289 0.2392 0.2762 -0.70135 2015 9 25 57290 0.2381 0.2741 -0.70233 2015 9 26 57291 0.2369 0.2720 -0.70356 2015 9 27 57292 0.2357 0.2700 -0.70500 2015 9 28 57293 0.2345 0.2679 -0.70657 2015 9 29 57294 0.2332 0.2659 -0.70824 2015 9 30 57295 0.2319 0.2639 -0.70985 2015 10 1 57296 0.2306 0.2619 -0.71132 2015 10 2 57297 0.2292 0.2599 -0.71266 2015 10 3 57298 0.2278 0.2580 -0.71386 2015 10 4 57299 0.2263 0.2561 -0.71496 2015 10 5 57300 0.2248 0.2541 -0.71602 2015 10 6 57301 0.2233 0.2523 -0.71709 2015 10 7 57302 0.2218 0.2504 -0.71820 2015 10 8 57303 0.2202 0.2485 -0.71937 2015 10 9 57304 0.2186 0.2467 -0.72065 2015 10 10 57305 0.2169 0.2449 -0.72197 2015 10 11 57306 0.2152 0.2431 -0.72326 2015 10 12 57307 0.2135 0.2414 -0.72454 2015 10 13 57308 0.2118 0.2397 -0.72579 2015 10 14 57309 0.2100 0.2379 -0.72698 2015 10 15 57310 0.2082 0.2363 -0.72810 2015 10 16 57311 0.2064 0.2346 -0.72918 2015 10 17 57312 0.2045 0.2330 -0.73023 2015 10 18 57313 0.2026 0.2314 -0.73127 2015 10 19 57314 0.2007 0.2298 -0.73233 2015 10 20 57315 0.1987 0.2283 -0.73342 2015 10 21 57316 0.1967 0.2268 -0.73461 2015 10 22 57317 0.1947 0.2253 -0.73593 2015 10 23 57318 0.1927 0.2238 -0.73739 2015 10 24 57319 0.1906 0.2224 -0.73903 2015 10 25 57320 0.1885 0.2210 -0.74078 2015 10 26 57321 0.1864 0.2196 -0.74254 2015 10 27 57322 0.1843 0.2183 -0.74426 2015 10 28 57323 0.1821 0.2170 -0.74581 2015 10 29 57324 0.1799 0.2157 -0.74717 2015 10 30 57325 0.1777 0.2145 -0.74836 2015 10 31 57326 0.1755 0.2133 -0.74936 2015 11 1 57327 0.1732 0.2121 -0.75027 2015 11 2 57328 0.1709 0.2110 -0.75120 2015 11 3 57329 0.1686 0.2099 -0.75216 2015 11 4 57330 0.1663 0.2088 -0.75318 2015 11 5 57331 0.1640 0.2078 -0.75426 2015 11 6 57332 0.1616 0.2068 -0.75545 2015 11 7 57333 0.1592 0.2058 -0.75675 2015 11 8 57334 0.1568 0.2049 -0.75808 2015 11 9 57335 0.1544 0.2040 -0.75940 2015 11 10 57336 0.1520 0.2031 -0.76068 2015 11 11 57337 0.1496 0.2023 -0.76192 2015 11 12 57338 0.1471 0.2015 -0.76316 2015 11 13 57339 0.1446 0.2008 -0.76432 2015 11 14 57340 0.1421 0.2000 -0.76547 2015 11 15 57341 0.1396 0.1994 -0.76665 2015 11 16 57342 0.1371 0.1987 -0.76784 2015 11 17 57343 0.1346 0.1981 -0.76910 2015 11 18 57344 0.1321 0.1976 -0.77049 2015 11 19 57345 0.1295 0.1971 -0.77199 2015 11 20 57346 0.1270 0.1966 -0.77360 2015 11 21 57347 0.1244 0.1961 -0.77532 2015 11 22 57348 0.1218 0.1957 -0.77709 2015 11 23 57349 0.1192 0.1954 -0.77883 2015 11 24 57350 0.1166 0.1950 -0.78048 2015 11 25 57351 0.1140 0.1948 -0.78198 2015 11 26 57352 0.1114 0.1945 -0.78327 2015 11 27 57353 0.1088 0.1943 -0.78445 2015 11 28 57354 0.1062 0.1941 -0.78553 2015 11 29 57355 0.1036 0.1940 -0.78651 2015 11 30 57356 0.1010 0.1939 -0.78750 2015 12 1 57357 0.0984 0.1939 -0.78855 2015 12 2 57358 0.0957 0.1939 -0.78967 2015 12 3 57359 0.0931 0.1939 -0.79083 2015 12 4 57360 0.0905 0.1940 -0.79203 2015 12 5 57361 0.0879 0.1941 -0.79334 2015 12 6 57362 0.0853 0.1942 -0.79468 2015 12 7 57363 0.0826 0.1944 -0.79603 2015 12 8 57364 0.0800 0.1947 -0.79739 2015 12 9 57365 0.0774 0.1949 -0.79874 2015 12 10 57366 0.0748 0.1953 -0.80003 2015 12 11 57367 0.0722 0.1956 -0.80122 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) 56980 -88.89 0.30 -11.04 0.01 56981 -88.99 0.30 -10.76 0.01 56982 -89.08 0.30 -10.51 0.01 56983 -89.11 0.30 -10.45 0.15 56984 -89.01 0.30 -10.62 0.02 56985 -88.81 0.30 -10.86 0.02 56986 -88.64 0.30 -10.95 0.02 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56980 -0.136 0.119 -0.174 0.010 56981 -0.150 0.119 -0.183 0.010 56982 -0.159 0.119 -0.189 0.010 56983 -0.159 0.119 -0.194 0.150 56984 -0.146 0.119 -0.195 0.020 56985 -0.133 0.119 -0.179 0.020 56986 -0.128 0.119 -0.144 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).