********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 1 January 2015 Vol. XXVIII No. 001 ______________________________________________________________________ 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 * * * * 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 26 57017 0.03623 .00009 0.27630 .00009 -0.451947 0.000015 14 12 27 57018 0.03532 .00009 0.27699 .00009 -0.453384 0.000014 14 12 28 57019 0.03471 .00009 0.27775 .00009 -0.454896 0.000010 14 12 29 57020 0.03425 .00009 0.27863 .00009 -0.456384 0.000009 14 12 30 57021 0.03351 .00009 0.27953 .00009 -0.457718 0.000009 14 12 31 57022 0.03227 .00009 0.28028 .00009 -0.458902 0.000065 15 1 1 57023 0.03081 .00009 0.28076 .00009 -0.459949 0.000055 IERS Final Values MJD x y UT1-UTC " " s 14 11 2 56963 0.1302 0.2546 -0.38864 14 11 3 56964 0.1281 0.2536 -0.39032 14 11 4 56965 0.1266 0.2530 -0.39202 14 11 5 56966 0.1251 0.2530 -0.39366 14 11 6 56967 0.1238 0.2530 -0.39517 14 11 7 56968 0.1222 0.2527 -0.39654 14 11 8 56969 0.1207 0.2521 -0.39775 14 11 9 56970 0.1186 0.2519 -0.39877 14 11 10 56971 0.1161 0.2514 -0.39967 14 11 11 56972 0.1135 0.2511 -0.40052 14 11 12 56973 0.1113 0.2510 -0.40137 14 11 13 56974 0.1100 0.2512 -0.40227 14 11 14 56975 0.1090 0.2515 -0.40323 14 11 15 56976 0.1073 0.2518 -0.40422 14 11 16 56977 0.1052 0.2521 -0.40528 14 11 17 56978 0.1031 0.2523 -0.40644 14 11 18 56979 0.1012 0.2529 -0.40769 14 11 19 56980 0.0988 0.2535 -0.40895 14 11 20 56981 0.0966 0.2537 -0.41018 14 11 21 56982 0.0948 0.2541 -0.41134 14 11 22 56983 0.0930 0.2543 -0.41244 14 11 23 56984 0.0911 0.2543 -0.41352 14 11 24 56985 0.0895 0.2540 -0.41455 14 11 25 56986 0.0886 0.2539 -0.41554 14 11 26 56987 0.0876 0.2540 -0.41651 14 11 27 56988 0.0870 0.2544 -0.41755 14 11 28 56989 0.0864 0.2553 -0.41873 14 11 29 56990 0.0851 0.2560 -0.42007 14 11 30 56991 0.0831 0.2567 -0.42152 14 12 1 56992 0.0810 0.2577 -0.42302 _______________________________________________________________________ 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 = 0.1048 - 0.0319 cos A - 0.0793 sin A - 0.0406 cos C - 0.0110 sin C y = 0.3610 - 0.0700 cos A + 0.0274 sin A - 0.0110 cos C + 0.0406 sin C UT1-UTC = -0.4682 - 0.00103 (MJD - 57031) - (UT2-UT1) where A = 2*pi*(MJD-57023)/365.25 and C = 2*pi*(MJD-57023)/435. TAI-UTC(MJD 57024) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57023)**0.80 S t = 0.00025 (MJD-57023)**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) 2015 1 2 57024 0.0295 0.2814 -0.46088 2015 1 3 57025 0.0281 0.2820 -0.46168 2015 1 4 57026 0.0268 0.2828 -0.46237 2015 1 5 57027 0.0256 0.2836 -0.46300 2015 1 6 57028 0.0245 0.2845 -0.46362 2015 1 7 57029 0.0234 0.2855 -0.46429 2015 1 8 57030 0.0222 0.2865 -0.46503 2015 1 9 57031 0.0210 0.2875 -0.46584 2015 1 10 57032 0.0198 0.2885 -0.46672 2015 1 11 57033 0.0187 0.2896 -0.46763 2015 1 12 57034 0.0176 0.2906 -0.46859 2015 1 13 57035 0.0164 0.2917 -0.46959 2015 1 14 57036 0.0154 0.2927 -0.47058 2015 1 15 57037 0.0143 0.2938 -0.47155 2015 1 16 57038 0.0132 0.2950 -0.47250 2015 1 17 57039 0.0121 0.2962 -0.47341 2015 1 18 57040 0.0110 0.2974 -0.47430 2015 1 19 57041 0.0100 0.2987 -0.47524 2015 1 20 57042 0.0089 0.2999 -0.47627 2015 1 21 57043 0.0079 0.3012 -0.47748 2015 1 22 57044 0.0069 0.3025 -0.47887 2015 1 23 57045 0.0060 0.3038 -0.48041 2015 1 24 57046 0.0050 0.3052 -0.48204 2015 1 25 57047 0.0041 0.3066 -0.48367 2015 1 26 57048 0.0032 0.3079 -0.48522 2015 1 27 57049 0.0024 0.3093 -0.48662 2015 1 28 57050 0.0015 0.3108 -0.48785 2015 1 29 57051 0.0007 0.3122 -0.48892 2015 1 30 57052 -0.0001 0.3137 -0.48985 2015 1 31 57053 -0.0009 0.3151 -0.49069 2015 2 1 57054 -0.0017 0.3166 -0.49148 2015 2 2 57055 -0.0024 0.3181 -0.49228 2015 2 3 57056 -0.0031 0.3196 -0.49312 2015 2 4 57057 -0.0037 0.3212 -0.49401 2015 2 5 57058 -0.0044 0.3227 -0.49498 2015 2 6 57059 -0.0050 0.3243 -0.49601 2015 2 7 57060 -0.0055 0.3259 -0.49709 2015 2 8 57061 -0.0061 0.3275 -0.49821 2015 2 9 57062 -0.0066 0.3291 -0.49932 2015 2 10 57063 -0.0071 0.3307 -0.50043 2015 2 11 57064 -0.0076 0.3323 -0.50150 2015 2 12 57065 -0.0080 0.3340 -0.50252 2015 2 13 57066 -0.0084 0.3356 -0.50351 2015 2 14 57067 -0.0088 0.3373 -0.50447 2015 2 15 57068 -0.0091 0.3389 -0.50545 2015 2 16 57069 -0.0094 0.3406 -0.50651 2015 2 17 57070 -0.0097 0.3423 -0.50771 2015 2 18 57071 -0.0099 0.3440 -0.50910 2015 2 19 57072 -0.0101 0.3457 -0.51068 2015 2 20 57073 -0.0103 0.3474 -0.51240 2015 2 21 57074 -0.0104 0.3491 -0.51418 2015 2 22 57075 -0.0106 0.3508 -0.51592 2015 2 23 57076 -0.0106 0.3525 -0.51753 2015 2 24 57077 -0.0107 0.3543 -0.51898 2015 2 25 57078 -0.0107 0.3560 -0.52025 2015 2 26 57079 -0.0107 0.3577 -0.52137 2015 2 27 57080 -0.0106 0.3595 -0.52240 2015 2 28 57081 -0.0105 0.3612 -0.52336 2015 3 1 57082 -0.0104 0.3629 -0.52432 2015 3 2 57083 -0.0103 0.3647 -0.52531 2015 3 3 57084 -0.0101 0.3664 -0.52636 2015 3 4 57085 -0.0098 0.3682 -0.52748 2015 3 5 57086 -0.0096 0.3699 -0.52868 2015 3 6 57087 -0.0093 0.3716 -0.52995 2015 3 7 57088 -0.0090 0.3734 -0.53126 2015 3 8 57089 -0.0086 0.3751 -0.53261 2015 3 9 57090 -0.0082 0.3769 -0.53394 2015 3 10 57091 -0.0078 0.3786 -0.53524 2015 3 11 57092 -0.0074 0.3803 -0.53650 2015 3 12 57093 -0.0069 0.3820 -0.53771 2015 3 13 57094 -0.0064 0.3838 -0.53888 2015 3 14 57095 -0.0058 0.3855 -0.54006 2015 3 15 57096 -0.0052 0.3872 -0.54129 2015 3 16 57097 -0.0046 0.3889 -0.54264 2015 3 17 57098 -0.0039 0.3906 -0.54415 2015 3 18 57099 -0.0033 0.3923 -0.54585 2015 3 19 57100 -0.0025 0.3940 -0.54773 2015 3 20 57101 -0.0018 0.3956 -0.54974 2015 3 21 57102 -0.0010 0.3973 -0.55178 2015 3 22 57103 -0.0002 0.3990 -0.55375 2015 3 23 57104 0.0007 0.4006 -0.55557 2015 3 24 57105 0.0015 0.4022 -0.55721 2015 3 25 57106 0.0025 0.4039 -0.55868 2015 3 26 57107 0.0034 0.4055 -0.56001 2015 3 27 57108 0.0044 0.4071 -0.56127 2015 3 28 57109 0.0054 0.4087 -0.56248 2015 3 29 57110 0.0064 0.4103 -0.56371 2015 3 30 57111 0.0075 0.4118 -0.56497 2015 3 31 57112 0.0086 0.4134 -0.56630 2015 4 1 57113 0.0097 0.4149 -0.56771 2015 4 2 57114 0.0109 0.4164 -0.56917 2015 4 3 57115 0.0121 0.4179 -0.57069 2015 4 4 57116 0.0133 0.4194 -0.57223 2015 4 5 57117 0.0145 0.4209 -0.57376 2015 4 6 57118 0.0158 0.4224 -0.57527 2015 4 7 57119 0.0171 0.4238 -0.57672 2015 4 8 57120 0.0184 0.4252 -0.57812 2015 4 9 57121 0.0198 0.4266 -0.57946 2015 4 10 57122 0.0212 0.4280 -0.58077 2015 4 11 57123 0.0226 0.4294 -0.58210 2015 4 12 57124 0.0240 0.4307 -0.58349 2015 4 13 57125 0.0255 0.4321 -0.58501 2015 4 14 57126 0.0270 0.4334 -0.58669 2015 4 15 57127 0.0285 0.4346 -0.58854 2015 4 16 57128 0.0301 0.4359 -0.59054 2015 4 17 57129 0.0316 0.4372 -0.59262 2015 4 18 57130 0.0332 0.4384 -0.59469 2015 4 19 57131 0.0348 0.4396 -0.59665 2015 4 20 57132 0.0365 0.4408 -0.59838 2015 4 21 57133 0.0382 0.4419 -0.59993 2015 4 22 57134 0.0398 0.4430 -0.60132 2015 4 23 57135 0.0416 0.4442 -0.60259 2015 4 24 57136 0.0433 0.4452 -0.60380 2015 4 25 57137 0.0450 0.4463 -0.60498 2015 4 26 57138 0.0468 0.4473 -0.60618 2015 4 27 57139 0.0486 0.4483 -0.60741 2015 4 28 57140 0.0504 0.4493 -0.60869 2015 4 29 57141 0.0523 0.4503 -0.61001 2015 4 30 57142 0.0541 0.4512 -0.61137 2015 5 1 57143 0.0560 0.4521 -0.61274 2015 5 2 57144 0.0579 0.4530 -0.61409 2015 5 3 57145 0.0598 0.4538 -0.61541 2015 5 4 57146 0.0617 0.4547 -0.61666 2015 5 5 57147 0.0637 0.4554 -0.61783 2015 5 6 57148 0.0656 0.4562 -0.61893 2015 5 7 57149 0.0676 0.4569 -0.61996 2015 5 8 57150 0.0696 0.4576 -0.62097 2015 5 9 57151 0.0716 0.4583 -0.62201 2015 5 10 57152 0.0736 0.4590 -0.62313 2015 5 11 57153 0.0756 0.4596 -0.62436 2015 5 12 57154 0.0777 0.4602 -0.62574 2015 5 13 57155 0.0797 0.4607 -0.62723 2015 5 14 57156 0.0818 0.4613 -0.62881 2015 5 15 57157 0.0839 0.4618 -0.63039 2015 5 16 57158 0.0860 0.4622 -0.63190 2015 5 17 57159 0.0881 0.4627 -0.63328 2015 5 18 57160 0.0902 0.4631 -0.63447 2015 5 19 57161 0.0923 0.4634 -0.63549 2015 5 20 57162 0.0944 0.4638 -0.63637 2015 5 21 57163 0.0966 0.4641 -0.63716 2015 5 22 57164 0.0987 0.4644 -0.63790 2015 5 23 57165 0.1008 0.4646 -0.63864 2015 5 24 57166 0.1030 0.4648 -0.63940 2015 5 25 57167 0.1052 0.4650 -0.64020 2015 5 26 57168 0.1073 0.4651 -0.64103 2015 5 27 57169 0.1095 0.4653 -0.64189 2015 5 28 57170 0.1117 0.4653 -0.64276 2015 5 29 57171 0.1138 0.4654 -0.64362 2015 5 30 57172 0.1160 0.4654 -0.64444 2015 5 31 57173 0.1182 0.4654 -0.64520 2015 6 1 57174 0.1204 0.4653 -0.64589 2015 6 2 57175 0.1225 0.4653 -0.64650 2015 6 3 57176 0.1247 0.4651 -0.64705 2015 6 4 57177 0.1269 0.4650 -0.64756 2015 6 5 57178 0.1291 0.4648 -0.64808 2015 6 6 57179 0.1312 0.4646 -0.64867 2015 6 7 57180 0.1334 0.4644 -0.64936 2015 6 8 57181 0.1356 0.4641 -0.65017 2015 6 9 57182 0.1378 0.4638 -0.65110 2015 6 10 57183 0.1399 0.4634 -0.65210 2015 6 11 57184 0.1421 0.4630 -0.65311 2015 6 12 57185 0.1442 0.4626 -0.65407 2015 6 13 57186 0.1464 0.4622 -0.65491 2015 6 14 57187 0.1485 0.4617 -0.65561 2015 6 15 57188 0.1506 0.4612 -0.65614 2015 6 16 57189 0.1527 0.4606 -0.65653 2015 6 17 57190 0.1549 0.4601 -0.65682 2015 6 18 57191 0.1570 0.4594 -0.65706 2015 6 19 57192 0.1591 0.4588 -0.65730 2015 6 20 57193 0.1611 0.4581 -0.65756 2015 6 21 57194 0.1632 0.4574 -0.65785 2015 6 22 57195 0.1653 0.4567 -0.65818 2015 6 23 57196 0.1673 0.4559 -0.65855 2015 6 24 57197 0.1693 0.4551 -0.65893 2015 6 25 57198 0.1714 0.4543 -0.65931 2015 6 26 57199 0.1734 0.4534 -0.65966 2015 6 27 57200 0.1753 0.4525 -0.65995 2015 6 28 57201 0.1773 0.4516 -0.66018 2015 6 29 57202 0.1793 0.4506 -0.66034 2015 6 30 57203 0.1812 0.4496 -0.66043 2015 7 1 57204 0.1831 0.4486 -0.66047 2015 7 2 57205 0.1851 0.4475 -0.66052 2015 7 3 57206 0.1869 0.4465 -0.66062 2015 7 4 57207 0.1888 0.4453 -0.66082 2015 7 5 57208 0.1907 0.4442 -0.66115 2015 7 6 57209 0.1925 0.4430 -0.66160 2015 7 7 57210 0.1943 0.4418 -0.66214 2015 7 8 57211 0.1961 0.4406 -0.66271 2015 7 9 57212 0.1979 0.4393 -0.66323 2015 7 10 57213 0.1996 0.4380 -0.66368 2015 7 11 57214 0.2013 0.4367 -0.66401 2015 7 12 57215 0.2030 0.4354 -0.66423 2015 7 13 57216 0.2047 0.4340 -0.66436 2015 7 14 57217 0.2064 0.4326 -0.66444 2015 7 15 57218 0.2080 0.4312 -0.66452 2015 7 16 57219 0.2096 0.4297 -0.66463 2015 7 17 57220 0.2112 0.4283 -0.66480 2015 7 18 57221 0.2127 0.4268 -0.66504 2015 7 19 57222 0.2142 0.4252 -0.66536 2015 7 20 57223 0.2157 0.4237 -0.66573 2015 7 21 57224 0.2172 0.4221 -0.66614 2015 7 22 57225 0.2186 0.4205 -0.66657 2015 7 23 57226 0.2200 0.4189 -0.66699 2015 7 24 57227 0.2214 0.4173 -0.66738 2015 7 25 57228 0.2228 0.4156 -0.66773 2015 7 26 57229 0.2241 0.4139 -0.66805 2015 7 27 57230 0.2254 0.4122 -0.66834 2015 7 28 57231 0.2267 0.4104 -0.66861 2015 7 29 57232 0.2279 0.4087 -0.66892 2015 7 30 57233 0.2291 0.4069 -0.66931 2015 7 31 57234 0.2303 0.4051 -0.66983 2015 8 1 57235 0.2314 0.4033 -0.67052 2015 8 2 57236 0.2325 0.4015 -0.67139 2015 8 3 57237 0.2336 0.3996 -0.67238 2015 8 4 57238 0.2346 0.3977 -0.67341 2015 8 5 57239 0.2356 0.3958 -0.67440 2015 8 6 57240 0.2366 0.3939 -0.67527 2015 8 7 57241 0.2375 0.3920 -0.67598 2015 8 8 57242 0.2384 0.3901 -0.67650 2015 8 9 57243 0.2393 0.3881 -0.67685 2015 8 10 57244 0.2401 0.3861 -0.67705 2015 8 11 57245 0.2409 0.3842 -0.67713 2015 8 12 57246 0.2417 0.3822 -0.67717 2015 8 13 57247 0.2424 0.3801 -0.67727 2015 8 14 57248 0.2431 0.3781 -0.67743 2015 8 15 57249 0.2438 0.3761 -0.67762 2015 8 16 57250 0.2444 0.3740 -0.67789 2015 8 17 57251 0.2450 0.3720 -0.67819 2015 8 18 57252 0.2455 0.3699 -0.67854 2015 8 19 57253 0.2460 0.3678 -0.67893 2015 8 20 57254 0.2465 0.3657 -0.67930 2015 8 21 57255 0.2469 0.3636 -0.67966 2015 8 22 57256 0.2473 0.3615 -0.68000 2015 8 23 57257 0.2476 0.3594 -0.68035 2015 8 24 57258 0.2480 0.3572 -0.68068 2015 8 25 57259 0.2482 0.3551 -0.68102 2015 8 26 57260 0.2485 0.3530 -0.68143 2015 8 27 57261 0.2487 0.3508 -0.68199 2015 8 28 57262 0.2488 0.3487 -0.68278 2015 8 29 57263 0.2490 0.3465 -0.68376 2015 8 30 57264 0.2490 0.3443 -0.68497 2015 8 31 57265 0.2491 0.3422 -0.68634 2015 9 1 57266 0.2491 0.3400 -0.68773 2015 9 2 57267 0.2491 0.3378 -0.68902 2015 9 3 57268 0.2490 0.3357 -0.69014 2015 9 4 57269 0.2489 0.3335 -0.69106 2015 9 5 57270 0.2487 0.3313 -0.69180 2015 9 6 57271 0.2485 0.3291 -0.69241 2015 9 7 57272 0.2483 0.3270 -0.69292 2015 9 8 57273 0.2480 0.3248 -0.69349 2015 9 9 57274 0.2477 0.3226 -0.69412 2015 9 10 57275 0.2474 0.3205 -0.69488 2015 9 11 57276 0.2470 0.3183 -0.69572 2015 9 12 57277 0.2466 0.3161 -0.69669 2015 9 13 57278 0.2461 0.3140 -0.69770 2015 9 14 57279 0.2456 0.3118 -0.69877 2015 9 15 57280 0.2451 0.3097 -0.69985 2015 9 16 57281 0.2445 0.3075 -0.70091 2015 9 17 57282 0.2439 0.3054 -0.70193 2015 9 18 57283 0.2432 0.3033 -0.70289 2015 9 19 57284 0.2425 0.3012 -0.70377 2015 9 20 57285 0.2418 0.2991 -0.70463 2015 9 21 57286 0.2410 0.2970 -0.70553 2015 9 22 57287 0.2402 0.2949 -0.70650 2015 9 23 57288 0.2394 0.2928 -0.70756 2015 9 24 57289 0.2385 0.2907 -0.70878 2015 9 25 57290 0.2376 0.2887 -0.71017 2015 9 26 57291 0.2366 0.2866 -0.71167 2015 9 27 57292 0.2356 0.2846 -0.71332 2015 9 28 57293 0.2346 0.2826 -0.71508 2015 9 29 57294 0.2335 0.2805 -0.71679 2015 9 30 57295 0.2324 0.2786 -0.71838 2015 10 1 57296 0.2313 0.2766 -0.71977 2015 10 2 57297 0.2301 0.2746 -0.72092 2015 10 3 57298 0.2289 0.2727 -0.72183 2015 10 4 57299 0.2276 0.2707 -0.72257 2015 10 5 57300 0.2263 0.2688 -0.72326 2015 10 6 57301 0.2250 0.2669 -0.72405 2015 10 7 57302 0.2237 0.2651 -0.72491 2015 10 8 57303 0.2223 0.2632 -0.72579 2015 10 9 57304 0.2209 0.2614 -0.72679 2015 10 10 57305 0.2194 0.2595 -0.72786 2015 10 11 57306 0.2179 0.2577 -0.72901 2015 10 12 57307 0.2164 0.2560 -0.73020 2015 10 13 57308 0.2149 0.2542 -0.73143 2015 10 14 57309 0.2133 0.2525 -0.73268 2015 10 15 57310 0.2117 0.2508 -0.73387 2015 10 16 57311 0.2101 0.2491 -0.73494 2015 10 17 57312 0.2084 0.2474 -0.73591 2015 10 18 57313 0.2067 0.2458 -0.73681 2015 10 19 57314 0.2049 0.2441 -0.73765 2015 10 20 57315 0.2032 0.2425 -0.73850 2015 10 21 57316 0.2014 0.2410 -0.73947 2015 10 22 57317 0.1996 0.2394 -0.74060 2015 10 23 57318 0.1977 0.2379 -0.74191 2015 10 24 57319 0.1959 0.2364 -0.74344 2015 10 25 57320 0.1940 0.2350 -0.74518 2015 10 26 57321 0.1920 0.2335 -0.74697 2015 10 27 57322 0.1901 0.2321 -0.74872 2015 10 28 57323 0.1881 0.2307 -0.75034 2015 10 29 57324 0.1861 0.2294 -0.75171 2015 10 30 57325 0.1841 0.2281 -0.75282 2015 10 31 57326 0.1820 0.2268 -0.75377 2015 11 1 57327 0.1800 0.2255 -0.75460 2015 11 2 57328 0.1779 0.2243 -0.75537 2015 11 3 57329 0.1757 0.2231 -0.75616 2015 11 4 57330 0.1736 0.2219 -0.75704 2015 11 5 57331 0.1714 0.2208 -0.75804 2015 11 6 57332 0.1693 0.2197 -0.75915 2015 11 7 57333 0.1671 0.2186 -0.76034 2015 11 8 57334 0.1648 0.2176 -0.76156 2015 11 9 57335 0.1626 0.2166 -0.76280 2015 11 10 57336 0.1604 0.2156 -0.76409 2015 11 11 57337 0.1581 0.2146 -0.76534 2015 11 12 57338 0.1558 0.2137 -0.76655 2015 11 13 57339 0.1535 0.2129 -0.76773 2015 11 14 57340 0.1512 0.2120 -0.76888 2015 11 15 57341 0.1488 0.2112 -0.76999 2015 11 16 57342 0.1465 0.2104 -0.77113 2015 11 17 57343 0.1441 0.2097 -0.77234 2015 11 18 57344 0.1417 0.2090 -0.77367 2015 11 19 57345 0.1393 0.2083 -0.77515 2015 11 20 57346 0.1369 0.2077 -0.77682 2015 11 21 57347 0.1345 0.2071 -0.77861 2015 11 22 57348 0.1321 0.2066 -0.78041 2015 11 23 57349 0.1297 0.2061 -0.78219 2015 11 24 57350 0.1272 0.2056 -0.78388 2015 11 25 57351 0.1248 0.2051 -0.78540 2015 11 26 57352 0.1223 0.2047 -0.78673 2015 11 27 57353 0.1198 0.2043 -0.78793 2015 11 28 57354 0.1174 0.2040 -0.78904 2015 11 29 57355 0.1149 0.2037 -0.79011 2015 11 30 57356 0.1124 0.2035 -0.79120 2015 12 1 57357 0.1099 0.2032 -0.79230 2015 12 2 57358 0.1074 0.2030 -0.79342 2015 12 3 57359 0.1049 0.2029 -0.79456 2015 12 4 57360 0.1024 0.2028 -0.79568 2015 12 5 57361 0.0999 0.2027 -0.79681 2015 12 6 57362 0.0974 0.2027 -0.79789 2015 12 7 57363 0.0949 0.2027 -0.79889 2015 12 8 57364 0.0924 0.2027 -0.79982 2015 12 9 57365 0.0899 0.2028 -0.80063 2015 12 10 57366 0.0874 0.2029 -0.80135 2015 12 11 57367 0.0849 0.2031 -0.80200 2015 12 12 57368 0.0824 0.2033 -0.80258 2015 12 13 57369 0.0799 0.2035 -0.80313 2015 12 14 57370 0.0774 0.2038 -0.80380 2015 12 15 57371 0.0749 0.2041 -0.80457 2015 12 16 57372 0.0725 0.2045 -0.80550 2015 12 17 57373 0.0700 0.2049 -0.80659 2015 12 18 57374 0.0675 0.2053 -0.80786 2015 12 19 57375 0.0651 0.2058 -0.80928 2015 12 20 57376 0.0626 0.2063 -0.81074 2015 12 21 57377 0.0602 0.2068 -0.81216 2015 12 22 57378 0.0578 0.2074 -0.81346 2015 12 23 57379 0.0553 0.2080 -0.81464 2015 12 24 57380 0.0529 0.2086 -0.81575 2015 12 25 57381 0.0505 0.2093 -0.81673 2015 12 26 57382 0.0481 0.2101 -0.81771 2015 12 27 57383 0.0458 0.2108 -0.81872 2015 12 28 57384 0.0434 0.2116 -0.81977 2015 12 29 57385 0.0411 0.2125 -0.82085 2015 12 30 57386 0.0388 0.2133 -0.82199 2015 12 31 57387 0.0364 0.2143 -0.82314 2016 1 1 57388 0.0342 0.2152 -0.82427 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) 57002 -87.76 0.11 -9.91 0.03 57003 -87.50 0.11 -10.01 0.03 57004 -87.37 0.11 -9.99 0.03 57005 -87.34 0.17 -9.89 0.09 57006 -87.32 0.17 -9.80 0.09 57007 -87.35 0.17 -9.76 0.09 IERS Celestial Pole Offset Final Series MJD dpsi deps (msec. of arc) 56963 -91.1 -11.7 56964 -90.9 -11.4 56965 -90.8 -11.2 56966 -90.8 -11.2 56967 -90.6 -11.3 56968 -90.5 -11.4 56969 -90.4 -11.3 56970 -90.4 -11.1 56971 -90.2 -10.9 56972 -89.9 -10.9 56973 -89.6 -11.2 56974 -89.2 -11.5 56975 -88.9 -11.6 56976 -88.7 -11.6 56977 -88.7 -11.5 56978 -88.7 -11.4 56979 -88.8 -11.3 56980 -88.9 -11.1 56981 -89.0 -10.8 56982 -89.1 -10.5 56983 -89.2 -10.4 56984 -89.1 -10.6 56985 -88.9 -10.8 56986 -88.7 -10.9 56987 -88.7 -10.8 56988 -88.8 -10.5 56989 -89.0 -10.3 56990 -89.1 -10.1 56991 -89.0 -10.0 56992 -88.9 -9.9 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 57002 -0.139 0.044 0.022 0.030 57003 -0.128 0.044 0.045 0.030 57004 -0.116 0.044 0.063 0.030 57005 -0.106 0.068 0.085 0.090 57006 -0.089 0.068 0.113 0.090 57007 -0.074 0.068 0.136 0.090 IAU2000A Celestial Pole Offset Final Series MJD dX dY (msec. of arc) 56963 -0.19 -0.19 56964 -0.15 -0.14 56965 -0.13 -0.13 56966 -0.15 -0.13 56967 -0.11 -0.09 56968 -0.12 -0.10 56969 -0.12 -0.10 56970 -0.16 -0.13 56971 -0.14 -0.09 56972 -0.13 -0.04 56973 -0.16 -0.11 56974 -0.16 -0.15 56975 -0.17 -0.12 56976 -0.16 -0.16 56977 -0.17 -0.17 56978 -0.14 -0.19 56979 -0.13 -0.23 56980 -0.14 -0.23 56981 -0.15 -0.22 56982 -0.17 -0.18 56983 -0.19 -0.14 56984 -0.18 -0.18 56985 -0.17 -0.12 56986 -0.15 -0.09 56987 -0.16 -0.10 56988 -0.15 -0.06 56989 -0.15 -0.08 56990 -0.16 -0.01 56991 -0.16 0.01 56992 -0.17 0.02 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).