********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 25 December 2014 Vol. XXVII No. 052 ______________________________________________________________________ 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 = -0.5 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 holiday of 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 19 57010 0.04338 .00009 0.27263 .00009 -0.444398 0.000008 14 12 20 57011 0.04214 .00009 0.27318 .00010 -0.445475 0.000009 14 12 21 57012 0.04087 .00009 0.27360 .00010 -0.446457 0.000008 14 12 22 57013 0.03967 .00009 0.27391 .00010 -0.447378 0.000006 14 12 23 57014 0.03870 .00009 0.27429 .00009 -0.448340 0.000006 14 12 24 57015 0.03790 .00009 0.27487 .00009 -0.449394 0.000065 14 12 25 57016 0.03714 .00009 0.27557 .00009 -0.450596 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 = 0.0991 - 0.0202 cos A - 0.0787 sin A - 0.0396 cos C - 0.0192 sin C y = 0.3641 - 0.0699 cos A + 0.0165 sin A - 0.0192 cos C + 0.0396 sin C UT1-UTC = -0.4626 - 0.00103 (MJD - 57024) - (UT2-UT1) where A = 2*pi*(MJD-57016)/365.25 and C = 2*pi*(MJD-57016)/435. TAI-UTC(MJD 57017) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57016)**0.80 S t = 0.00025 (MJD-57016)**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 26 57017 0.0362 0.2765 -0.45197 2014 12 27 57018 0.0352 0.2774 -0.45346 2014 12 28 57019 0.0341 0.2784 -0.45499 2014 12 29 57020 0.0329 0.2794 -0.45649 2014 12 30 57021 0.0316 0.2805 -0.45788 2014 12 31 57022 0.0303 0.2815 -0.45913 2015 1 1 57023 0.0291 0.2826 -0.46022 2015 1 2 57024 0.0279 0.2837 -0.46117 2015 1 3 57025 0.0267 0.2848 -0.46201 2015 1 4 57026 0.0254 0.2859 -0.46279 2015 1 5 57027 0.0242 0.2870 -0.46356 2015 1 6 57028 0.0230 0.2882 -0.46435 2015 1 7 57029 0.0218 0.2893 -0.46516 2015 1 8 57030 0.0206 0.2904 -0.46602 2015 1 9 57031 0.0194 0.2915 -0.46695 2015 1 10 57032 0.0183 0.2926 -0.46796 2015 1 11 57033 0.0171 0.2938 -0.46904 2015 1 12 57034 0.0160 0.2950 -0.47016 2015 1 13 57035 0.0149 0.2962 -0.47129 2015 1 14 57036 0.0139 0.2974 -0.47242 2015 1 15 57037 0.0128 0.2987 -0.47351 2015 1 16 57038 0.0118 0.3000 -0.47455 2015 1 17 57039 0.0108 0.3013 -0.47554 2015 1 18 57040 0.0098 0.3026 -0.47650 2015 1 19 57041 0.0088 0.3039 -0.47748 2015 1 20 57042 0.0079 0.3052 -0.47853 2015 1 21 57043 0.0069 0.3066 -0.47970 2015 1 22 57044 0.0060 0.3080 -0.48102 2015 1 23 57045 0.0051 0.3094 -0.48248 2015 1 24 57046 0.0043 0.3108 -0.48401 2015 1 25 57047 0.0035 0.3122 -0.48552 2015 1 26 57048 0.0027 0.3137 -0.48693 2015 1 27 57049 0.0019 0.3151 -0.48820 2015 1 28 57050 0.0011 0.3166 -0.48929 2015 1 29 57051 0.0004 0.3181 -0.49023 2015 1 30 57052 -0.0003 0.3196 -0.49104 2015 1 31 57053 -0.0010 0.3211 -0.49177 2015 2 1 57054 -0.0016 0.3226 -0.49247 2015 2 2 57055 -0.0022 0.3242 -0.49319 2015 2 3 57056 -0.0028 0.3257 -0.49394 2015 2 4 57057 -0.0034 0.3273 -0.49476 2015 2 5 57058 -0.0039 0.3289 -0.49565 2015 2 6 57059 -0.0044 0.3305 -0.49661 2015 2 7 57060 -0.0049 0.3321 -0.49763 2015 2 8 57061 -0.0053 0.3337 -0.49870 2015 2 9 57062 -0.0057 0.3353 -0.49978 2015 2 10 57063 -0.0061 0.3369 -0.50085 2015 2 11 57064 -0.0064 0.3386 -0.50189 2015 2 12 57065 -0.0068 0.3402 -0.50289 2015 2 13 57066 -0.0071 0.3419 -0.50385 2015 2 14 57067 -0.0073 0.3435 -0.50479 2015 2 15 57068 -0.0075 0.3452 -0.50576 2015 2 16 57069 -0.0077 0.3469 -0.50681 2015 2 17 57070 -0.0079 0.3486 -0.50800 2015 2 18 57071 -0.0080 0.3502 -0.50937 2015 2 19 57072 -0.0081 0.3519 -0.51092 2015 2 20 57073 -0.0082 0.3536 -0.51261 2015 2 21 57074 -0.0082 0.3553 -0.51436 2015 2 22 57075 -0.0082 0.3570 -0.51606 2015 2 23 57076 -0.0082 0.3587 -0.51765 2015 2 24 57077 -0.0081 0.3604 -0.51906 2015 2 25 57078 -0.0080 0.3622 -0.52032 2015 2 26 57079 -0.0079 0.3639 -0.52143 2015 2 27 57080 -0.0077 0.3656 -0.52244 2015 2 28 57081 -0.0075 0.3673 -0.52341 2015 3 1 57082 -0.0073 0.3690 -0.52437 2015 3 2 57083 -0.0070 0.3707 -0.52537 2015 3 3 57084 -0.0067 0.3724 -0.52643 2015 3 4 57085 -0.0064 0.3741 -0.52758 2015 3 5 57086 -0.0060 0.3758 -0.52880 2015 3 6 57087 -0.0056 0.3775 -0.53010 2015 3 7 57088 -0.0052 0.3792 -0.53143 2015 3 8 57089 -0.0047 0.3809 -0.53279 2015 3 9 57090 -0.0042 0.3826 -0.53414 2015 3 10 57091 -0.0037 0.3843 -0.53547 2015 3 11 57092 -0.0031 0.3860 -0.53675 2015 3 12 57093 -0.0025 0.3877 -0.53799 2015 3 13 57094 -0.0019 0.3894 -0.53919 2015 3 14 57095 -0.0013 0.3910 -0.54040 2015 3 15 57096 -0.0006 0.3927 -0.54167 2015 3 16 57097 0.0002 0.3943 -0.54304 2015 3 17 57098 0.0009 0.3960 -0.54457 2015 3 18 57099 0.0017 0.3976 -0.54631 2015 3 19 57100 0.0025 0.3992 -0.54823 2015 3 20 57101 0.0034 0.4008 -0.55027 2015 3 21 57102 0.0042 0.4024 -0.55234 2015 3 22 57103 0.0052 0.4040 -0.55435 2015 3 23 57104 0.0061 0.4056 -0.55621 2015 3 24 57105 0.0071 0.4072 -0.55789 2015 3 25 57106 0.0081 0.4087 -0.55941 2015 3 26 57107 0.0091 0.4103 -0.56080 2015 3 27 57108 0.0102 0.4118 -0.56211 2015 3 28 57109 0.0113 0.4133 -0.56339 2015 3 29 57110 0.0124 0.4148 -0.56469 2015 3 30 57111 0.0135 0.4163 -0.56603 2015 3 31 57112 0.0147 0.4178 -0.56743 2015 4 1 57113 0.0159 0.4192 -0.56891 2015 4 2 57114 0.0172 0.4207 -0.57045 2015 4 3 57115 0.0184 0.4221 -0.57203 2015 4 4 57116 0.0197 0.4235 -0.57363 2015 4 5 57117 0.0211 0.4249 -0.57523 2015 4 6 57118 0.0224 0.4262 -0.57680 2015 4 7 57119 0.0238 0.4276 -0.57831 2015 4 8 57120 0.0252 0.4289 -0.57977 2015 4 9 57121 0.0266 0.4302 -0.58116 2015 4 10 57122 0.0281 0.4315 -0.58253 2015 4 11 57123 0.0295 0.4328 -0.58391 2015 4 12 57124 0.0311 0.4340 -0.58537 2015 4 13 57125 0.0326 0.4353 -0.58688 2015 4 14 57126 0.0341 0.4365 -0.58855 2015 4 15 57127 0.0357 0.4377 -0.59040 2015 4 16 57128 0.0373 0.4388 -0.59239 2015 4 17 57129 0.0389 0.4400 -0.59445 2015 4 18 57130 0.0406 0.4411 -0.59649 2015 4 19 57131 0.0423 0.4422 -0.59842 2015 4 20 57132 0.0440 0.4433 -0.60017 2015 4 21 57133 0.0457 0.4443 -0.60174 2015 4 22 57134 0.0474 0.4453 -0.60314 2015 4 23 57135 0.0492 0.4463 -0.60442 2015 4 24 57136 0.0509 0.4473 -0.60564 2015 4 25 57137 0.0527 0.4483 -0.60683 2015 4 26 57138 0.0545 0.4492 -0.60803 2015 4 27 57139 0.0564 0.4501 -0.60927 2015 4 28 57140 0.0582 0.4509 -0.61055 2015 4 29 57141 0.0601 0.4518 -0.61187 2015 4 30 57142 0.0620 0.4526 -0.61323 2015 5 1 57143 0.0639 0.4534 -0.61459 2015 5 2 57144 0.0658 0.4541 -0.61595 2015 5 3 57145 0.0677 0.4549 -0.61726 2015 5 4 57146 0.0697 0.4556 -0.61850 2015 5 5 57147 0.0717 0.4563 -0.61967 2015 5 6 57148 0.0736 0.4569 -0.62076 2015 5 7 57149 0.0756 0.4575 -0.62180 2015 5 8 57150 0.0776 0.4581 -0.62280 2015 5 9 57151 0.0797 0.4587 -0.62384 2015 5 10 57152 0.0817 0.4592 -0.62495 2015 5 11 57153 0.0837 0.4597 -0.62619 2015 5 12 57154 0.0858 0.4601 -0.62756 2015 5 13 57155 0.0878 0.4606 -0.62906 2015 5 14 57156 0.0899 0.4610 -0.63064 2015 5 15 57157 0.0920 0.4614 -0.63223 2015 5 16 57158 0.0941 0.4617 -0.63374 2015 5 17 57159 0.0962 0.4620 -0.63512 2015 5 18 57160 0.0983 0.4623 -0.63632 2015 5 19 57161 0.1004 0.4625 -0.63735 2015 5 20 57162 0.1025 0.4628 -0.63824 2015 5 21 57163 0.1047 0.4629 -0.63904 2015 5 22 57164 0.1068 0.4631 -0.63980 2015 5 23 57165 0.1089 0.4632 -0.64056 2015 5 24 57166 0.1111 0.4633 -0.64134 2015 5 25 57167 0.1132 0.4634 -0.64215 2015 5 26 57168 0.1153 0.4634 -0.64300 2015 5 27 57169 0.1175 0.4634 -0.64388 2015 5 28 57170 0.1196 0.4633 -0.64477 2015 5 29 57171 0.1218 0.4633 -0.64565 2015 5 30 57172 0.1239 0.4631 -0.64649 2015 5 31 57173 0.1261 0.4630 -0.64728 2015 6 1 57174 0.1282 0.4628 -0.64799 2015 6 2 57175 0.1304 0.4626 -0.64862 2015 6 3 57176 0.1325 0.4624 -0.64919 2015 6 4 57177 0.1347 0.4621 -0.64972 2015 6 5 57178 0.1368 0.4618 -0.65027 2015 6 6 57179 0.1389 0.4615 -0.65087 2015 6 7 57180 0.1411 0.4611 -0.65158 2015 6 8 57181 0.1432 0.4607 -0.65241 2015 6 9 57182 0.1453 0.4603 -0.65336 2015 6 10 57183 0.1474 0.4598 -0.65437 2015 6 11 57184 0.1495 0.4593 -0.65540 2015 6 12 57185 0.1516 0.4588 -0.65637 2015 6 13 57186 0.1537 0.4582 -0.65722 2015 6 14 57187 0.1558 0.4576 -0.65791 2015 6 15 57188 0.1578 0.4570 -0.65845 2015 6 16 57189 0.1599 0.4563 -0.65883 2015 6 17 57190 0.1619 0.4556 -0.65912 2015 6 18 57191 0.1640 0.4549 -0.65936 2015 6 19 57192 0.1660 0.4541 -0.65958 2015 6 20 57193 0.1680 0.4533 -0.65983 2015 6 21 57194 0.1700 0.4525 -0.66011 2015 6 22 57195 0.1720 0.4517 -0.66042 2015 6 23 57196 0.1740 0.4508 -0.66077 2015 6 24 57197 0.1759 0.4499 -0.66113 2015 6 25 57198 0.1779 0.4489 -0.66149 2015 6 26 57199 0.1798 0.4479 -0.66182 2015 6 27 57200 0.1817 0.4469 -0.66210 2015 6 28 57201 0.1836 0.4459 -0.66232 2015 6 29 57202 0.1855 0.4448 -0.66247 2015 6 30 57203 0.1873 0.4437 -0.66257 2015 7 1 57204 0.1892 0.4426 -0.66265 2015 7 2 57205 0.1910 0.4414 -0.66275 2015 7 3 57206 0.1928 0.4403 -0.66294 2015 7 4 57207 0.1946 0.4390 -0.66328 2015 7 5 57208 0.1963 0.4378 -0.66380 2015 7 6 57209 0.1980 0.4365 -0.66449 2015 7 7 57210 0.1998 0.4352 -0.66531 2015 7 8 57211 0.2014 0.4339 -0.66619 2015 7 9 57212 0.2031 0.4326 -0.66705 2015 7 10 57213 0.2048 0.4312 -0.66783 2015 7 11 57214 0.2064 0.4298 -0.66848 2015 7 12 57215 0.2080 0.4283 -0.66898 2015 7 13 57216 0.2095 0.4269 -0.66934 2015 7 14 57217 0.2111 0.4254 -0.66961 2015 7 15 57218 0.2126 0.4239 -0.66983 2015 7 16 57219 0.2141 0.4224 -0.67005 2015 7 17 57220 0.2155 0.4208 -0.67030 2015 7 18 57221 0.2170 0.4192 -0.67062 2015 7 19 57222 0.2184 0.4176 -0.67100 2015 7 20 57223 0.2198 0.4160 -0.67143 2015 7 21 57224 0.2211 0.4143 -0.67190 2015 7 22 57225 0.2224 0.4127 -0.67237 2015 7 23 57226 0.2237 0.4110 -0.67281 2015 7 24 57227 0.2250 0.4093 -0.67319 2015 7 25 57228 0.2262 0.4075 -0.67350 2015 7 26 57229 0.2274 0.4058 -0.67371 2015 7 27 57230 0.2286 0.4040 -0.67384 2015 7 28 57231 0.2297 0.4022 -0.67390 2015 7 29 57232 0.2308 0.4004 -0.67393 2015 7 30 57233 0.2319 0.3985 -0.67400 2015 7 31 57234 0.2330 0.3967 -0.67418 2015 8 1 57235 0.2340 0.3948 -0.67451 2015 8 2 57236 0.2349 0.3929 -0.67500 2015 8 3 57237 0.2359 0.3910 -0.67563 2015 8 4 57238 0.2368 0.3891 -0.67632 2015 8 5 57239 0.2377 0.3872 -0.67701 2015 8 6 57240 0.2385 0.3852 -0.67761 2015 8 7 57241 0.2393 0.3832 -0.67808 2015 8 8 57242 0.2401 0.3812 -0.67842 2015 8 9 57243 0.2408 0.3792 -0.67867 2015 8 10 57244 0.2415 0.3772 -0.67882 2015 8 11 57245 0.2422 0.3752 -0.67892 2015 8 12 57246 0.2428 0.3732 -0.67903 2015 8 13 57247 0.2434 0.3711 -0.67922 2015 8 14 57248 0.2439 0.3691 -0.67952 2015 8 15 57249 0.2444 0.3670 -0.67990 2015 8 16 57250 0.2449 0.3649 -0.68038 2015 8 17 57251 0.2454 0.3628 -0.68094 2015 8 18 57252 0.2458 0.3607 -0.68151 2015 8 19 57253 0.2461 0.3586 -0.68205 2015 8 20 57254 0.2464 0.3565 -0.68254 2015 8 21 57255 0.2467 0.3544 -0.68296 2015 8 22 57256 0.2470 0.3523 -0.68332 2015 8 23 57257 0.2472 0.3502 -0.68364 2015 8 24 57258 0.2474 0.3480 -0.68391 2015 8 25 57259 0.2475 0.3459 -0.68425 2015 8 26 57260 0.2476 0.3437 -0.68469 2015 8 27 57261 0.2477 0.3416 -0.68532 2015 8 28 57262 0.2477 0.3394 -0.68612 2015 8 29 57263 0.2477 0.3373 -0.68717 2015 8 30 57264 0.2476 0.3351 -0.68840 2015 8 31 57265 0.2475 0.3329 -0.68977 2015 9 1 57266 0.2474 0.3308 -0.69118 2015 9 2 57267 0.2472 0.3286 -0.69251 2015 9 3 57268 0.2470 0.3265 -0.69370 2015 9 4 57269 0.2467 0.3243 -0.69470 2015 9 5 57270 0.2464 0.3222 -0.69551 2015 9 6 57271 0.2461 0.3200 -0.69622 2015 9 7 57272 0.2457 0.3178 -0.69689 2015 9 8 57273 0.2453 0.3157 -0.69760 2015 9 9 57274 0.2449 0.3136 -0.69832 2015 9 10 57275 0.2444 0.3114 -0.69913 2015 9 11 57276 0.2439 0.3093 -0.69999 2015 9 12 57277 0.2433 0.3072 -0.70083 2015 9 13 57278 0.2427 0.3050 -0.70170 2015 9 14 57279 0.2421 0.3029 -0.70261 2015 9 15 57280 0.2414 0.3008 -0.70349 2015 9 16 57281 0.2407 0.2987 -0.70433 2015 9 17 57282 0.2399 0.2966 -0.70510 2015 9 18 57283 0.2391 0.2945 -0.70577 2015 9 19 57284 0.2383 0.2925 -0.70631 2015 9 20 57285 0.2374 0.2904 -0.70674 2015 9 21 57286 0.2365 0.2884 -0.70718 2015 9 22 57287 0.2356 0.2863 -0.70775 2015 9 23 57288 0.2346 0.2843 -0.70843 2015 9 24 57289 0.2336 0.2823 -0.70923 2015 9 25 57290 0.2325 0.2803 -0.71027 2015 9 26 57291 0.2314 0.2783 -0.71153 2015 9 27 57292 0.2303 0.2763 -0.71302 2015 9 28 57293 0.2291 0.2744 -0.71463 2015 9 29 57294 0.2279 0.2725 -0.71630 2015 9 30 57295 0.2267 0.2705 -0.71793 2015 10 1 57296 0.2254 0.2686 -0.71940 2015 10 2 57297 0.2241 0.2667 -0.72061 2015 10 3 57298 0.2228 0.2649 -0.72164 2015 10 4 57299 0.2214 0.2630 -0.72253 2015 10 5 57300 0.2200 0.2612 -0.72330 2015 10 6 57301 0.2186 0.2594 -0.72404 2015 10 7 57302 0.2171 0.2576 -0.72483 2015 10 8 57303 0.2156 0.2558 -0.72569 2015 10 9 57304 0.2141 0.2541 -0.72661 2015 10 10 57305 0.2125 0.2523 -0.72763 2015 10 11 57306 0.2109 0.2506 -0.72875 2015 10 12 57307 0.2093 0.2489 -0.72988 2015 10 13 57308 0.2077 0.2473 -0.73099 2015 10 14 57309 0.2060 0.2456 -0.73206 2015 10 15 57310 0.2043 0.2440 -0.73301 2015 10 16 57311 0.2025 0.2424 -0.73381 2015 10 17 57312 0.2007 0.2409 -0.73453 2015 10 18 57313 0.1989 0.2393 -0.73519 2015 10 19 57314 0.1971 0.2378 -0.73583 2015 10 20 57315 0.1952 0.2364 -0.73652 2015 10 21 57316 0.1933 0.2349 -0.73737 2015 10 22 57317 0.1914 0.2335 -0.73845 2015 10 23 57318 0.1895 0.2321 -0.73977 2015 10 24 57319 0.1875 0.2307 -0.74133 2015 10 25 57320 0.1855 0.2293 -0.74305 2015 10 26 57321 0.1835 0.2280 -0.74486 2015 10 27 57322 0.1815 0.2267 -0.74673 2015 10 28 57323 0.1794 0.2255 -0.74850 2015 10 29 57324 0.1773 0.2243 -0.75013 2015 10 30 57325 0.1752 0.2231 -0.75162 2015 10 31 57326 0.1731 0.2219 -0.75299 2015 11 1 57327 0.1709 0.2208 -0.75428 2015 11 2 57328 0.1688 0.2197 -0.75554 2015 11 3 57329 0.1666 0.2186 -0.75682 2015 11 4 57330 0.1644 0.2176 -0.75814 2015 11 5 57331 0.1621 0.2166 -0.75950 2015 11 6 57332 0.1599 0.2156 -0.76095 2015 11 7 57333 0.1576 0.2147 -0.76243 2015 11 8 57334 0.1553 0.2138 -0.76383 2015 11 9 57335 0.1530 0.2129 -0.76520 2015 11 10 57336 0.1507 0.2121 -0.76651 2015 11 11 57337 0.1484 0.2113 -0.76773 2015 11 12 57338 0.1460 0.2105 -0.76886 2015 11 13 57339 0.1437 0.2098 -0.76994 2015 11 14 57340 0.1413 0.2091 -0.77099 2015 11 15 57341 0.1389 0.2084 -0.77202 2015 11 16 57342 0.1365 0.2078 -0.77309 2015 11 17 57343 0.1341 0.2072 -0.77422 2015 11 18 57344 0.1317 0.2066 -0.77544 2015 11 19 57345 0.1293 0.2061 -0.77680 2015 11 20 57346 0.1268 0.2057 -0.77826 2015 11 21 57347 0.1244 0.2052 -0.77986 2015 11 22 57348 0.1219 0.2048 -0.78150 2015 11 23 57349 0.1194 0.2044 -0.78310 2015 11 24 57350 0.1170 0.2041 -0.78462 2015 11 25 57351 0.1145 0.2038 -0.78595 2015 11 26 57352 0.1120 0.2036 -0.78710 2015 11 27 57353 0.1095 0.2034 -0.78809 2015 11 28 57354 0.1070 0.2032 -0.78894 2015 11 29 57355 0.1045 0.2030 -0.78971 2015 11 30 57356 0.1020 0.2029 -0.79053 2015 12 1 57357 0.0995 0.2029 -0.79140 2015 12 2 57358 0.0970 0.2028 -0.79232 2015 12 3 57359 0.0945 0.2029 -0.79330 2015 12 4 57360 0.0920 0.2029 -0.79436 2015 12 5 57361 0.0895 0.2030 -0.79552 2015 12 6 57362 0.0870 0.2031 -0.79668 2015 12 7 57363 0.0845 0.2033 -0.79780 2015 12 8 57364 0.0820 0.2035 -0.79887 2015 12 9 57365 0.0795 0.2037 -0.79990 2015 12 10 57366 0.0770 0.2040 -0.80091 2015 12 11 57367 0.0745 0.2043 -0.80185 2015 12 12 57368 0.0720 0.2047 -0.80280 2015 12 13 57369 0.0695 0.2051 -0.80380 2015 12 14 57370 0.0671 0.2055 -0.80485 2015 12 15 57371 0.0646 0.2060 -0.80599 2015 12 16 57372 0.0622 0.2065 -0.80727 2015 12 17 57373 0.0597 0.2071 -0.80867 2015 12 18 57374 0.0573 0.2077 -0.81014 2015 12 19 57375 0.0548 0.2083 -0.81167 2015 12 20 57376 0.0524 0.2089 -0.81317 2015 12 21 57377 0.0500 0.2096 -0.81460 2015 12 22 57378 0.0476 0.2104 -0.81589 2015 12 23 57379 0.0453 0.2112 -0.81703 2015 12 24 57380 0.0429 0.2120 -0.81800 2015 12 25 57381 0.0405 0.2128 -0.81888 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) 56994 -89.13 0.12 -9.88 0.04 56995 -89.30 0.12 -9.98 0.04 56996 -89.30 0.12 -10.10 0.04 56997 -89.10 0.14 -10.09 0.04 56998 -88.80 0.14 -9.93 0.04 56999 -88.56 0.11 -9.74 0.04 57000 -88.38 0.11 -9.67 0.04 57001 -88.15 0.11 -9.76 0.04 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56994 -0.209 0.048 -0.024 0.040 56995 -0.224 0.048 -0.018 0.040 56996 -0.238 0.048 -0.038 0.040 56997 -0.248 0.056 -0.049 0.040 56998 -0.236 0.056 -0.046 0.040 56999 -0.215 0.044 -0.035 0.040 57000 -0.198 0.044 -0.025 0.040 57001 -0.185 0.044 -0.010 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).