********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 18 December 2014 Vol. XXVII No. 051 ______________________________________________________________________ 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 12 57003 0.06055 .00009 0.26610 .00009 -0.435709 0.000008 14 12 13 57004 0.05823 .00009 0.26723 .00009 -0.436939 0.000008 14 12 14 57005 0.05569 .00009 0.26833 .00010 -0.438160 0.000006 14 12 15 57006 0.05299 .00009 0.26944 .00010 -0.439387 0.000005 14 12 16 57007 0.05022 .00009 0.27061 .00010 -0.440664 0.000005 14 12 17 57008 0.04742 .00009 0.27158 .00009 -0.441973 0.000005 14 12 18 57009 0.04480 .00010 0.27220 .00009 -0.443220 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 = 0.0929 - 0.0085 cos A - 0.0755 sin A - 0.0372 cos C - 0.0284 sin C y = 0.3676 - 0.0676 cos A + 0.0057 sin A - 0.0284 cos C + 0.0372 sin C UT1-UTC = -0.4545 - 0.00103 (MJD - 57017) - (UT2-UT1) where A = 2*pi*(MJD-57009)/365.25 and C = 2*pi*(MJD-57009)/435. TAI-UTC(MJD 57010) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57009)**0.80 S t = 0.00025 (MJD-57009)**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 19 57010 0.0426 0.2728 -0.44440 2014 12 20 57011 0.0406 0.2734 -0.44548 2014 12 21 57012 0.0387 0.2741 -0.44647 2014 12 22 57013 0.0369 0.2748 -0.44740 2014 12 23 57014 0.0352 0.2757 -0.44834 2014 12 24 57015 0.0334 0.2766 -0.44936 2014 12 25 57016 0.0316 0.2775 -0.45054 2014 12 26 57017 0.0299 0.2785 -0.45186 2014 12 27 57018 0.0282 0.2794 -0.45327 2014 12 28 57019 0.0266 0.2804 -0.45470 2014 12 29 57020 0.0250 0.2815 -0.45610 2014 12 30 57021 0.0235 0.2825 -0.45746 2014 12 31 57022 0.0220 0.2837 -0.45872 2015 1 1 57023 0.0205 0.2848 -0.45985 2015 1 2 57024 0.0190 0.2860 -0.46085 2015 1 3 57025 0.0176 0.2873 -0.46176 2015 1 4 57026 0.0162 0.2885 -0.46261 2015 1 5 57027 0.0148 0.2897 -0.46343 2015 1 6 57028 0.0134 0.2910 -0.46425 2015 1 7 57029 0.0121 0.2922 -0.46510 2015 1 8 57030 0.0108 0.2935 -0.46599 2015 1 9 57031 0.0095 0.2948 -0.46691 2015 1 10 57032 0.0083 0.2962 -0.46787 2015 1 11 57033 0.0071 0.2975 -0.46886 2015 1 12 57034 0.0059 0.2989 -0.46987 2015 1 13 57035 0.0048 0.3003 -0.47087 2015 1 14 57036 0.0037 0.3017 -0.47184 2015 1 15 57037 0.0026 0.3031 -0.47277 2015 1 16 57038 0.0015 0.3046 -0.47364 2015 1 17 57039 0.0005 0.3061 -0.47446 2015 1 18 57040 -0.0005 0.3075 -0.47526 2015 1 19 57041 -0.0014 0.3090 -0.47609 2015 1 20 57042 -0.0024 0.3106 -0.47701 2015 1 21 57043 -0.0033 0.3121 -0.47807 2015 1 22 57044 -0.0042 0.3137 -0.47930 2015 1 23 57045 -0.0050 0.3152 -0.48067 2015 1 24 57046 -0.0058 0.3168 -0.48211 2015 1 25 57047 -0.0066 0.3184 -0.48353 2015 1 26 57048 -0.0074 0.3200 -0.48487 2015 1 27 57049 -0.0081 0.3217 -0.48607 2015 1 28 57050 -0.0088 0.3233 -0.48711 2015 1 29 57051 -0.0095 0.3249 -0.48800 2015 1 30 57052 -0.0101 0.3266 -0.48878 2015 1 31 57053 -0.0107 0.3283 -0.48948 2015 2 1 57054 -0.0113 0.3300 -0.49015 2015 2 2 57055 -0.0118 0.3317 -0.49084 2015 2 3 57056 -0.0123 0.3334 -0.49158 2015 2 4 57057 -0.0128 0.3351 -0.49238 2015 2 5 57058 -0.0132 0.3369 -0.49326 2015 2 6 57059 -0.0136 0.3386 -0.49421 2015 2 7 57060 -0.0140 0.3404 -0.49522 2015 2 8 57061 -0.0143 0.3421 -0.49626 2015 2 9 57062 -0.0146 0.3439 -0.49731 2015 2 10 57063 -0.0149 0.3457 -0.49835 2015 2 11 57064 -0.0152 0.3475 -0.49936 2015 2 12 57065 -0.0154 0.3492 -0.50032 2015 2 13 57066 -0.0155 0.3510 -0.50126 2015 2 14 57067 -0.0157 0.3528 -0.50218 2015 2 15 57068 -0.0158 0.3547 -0.50314 2015 2 16 57069 -0.0159 0.3565 -0.50418 2015 2 17 57070 -0.0159 0.3583 -0.50536 2015 2 18 57071 -0.0159 0.3601 -0.50672 2015 2 19 57072 -0.0159 0.3619 -0.50829 2015 2 20 57073 -0.0158 0.3638 -0.50999 2015 2 21 57074 -0.0157 0.3656 -0.51176 2015 2 22 57075 -0.0156 0.3674 -0.51350 2015 2 23 57076 -0.0154 0.3693 -0.51511 2015 2 24 57077 -0.0152 0.3711 -0.51655 2015 2 25 57078 -0.0150 0.3729 -0.51783 2015 2 26 57079 -0.0147 0.3748 -0.51896 2015 2 27 57080 -0.0144 0.3766 -0.51999 2015 2 28 57081 -0.0140 0.3784 -0.52098 2015 3 1 57082 -0.0137 0.3803 -0.52197 2015 3 2 57083 -0.0133 0.3821 -0.52300 2015 3 3 57084 -0.0128 0.3839 -0.52410 2015 3 4 57085 -0.0123 0.3857 -0.52528 2015 3 5 57086 -0.0118 0.3875 -0.52654 2015 3 6 57087 -0.0113 0.3893 -0.52786 2015 3 7 57088 -0.0107 0.3911 -0.52923 2015 3 8 57089 -0.0101 0.3929 -0.53062 2015 3 9 57090 -0.0094 0.3947 -0.53201 2015 3 10 57091 -0.0087 0.3965 -0.53337 2015 3 11 57092 -0.0080 0.3983 -0.53469 2015 3 12 57093 -0.0073 0.4001 -0.53597 2015 3 13 57094 -0.0065 0.4018 -0.53722 2015 3 14 57095 -0.0057 0.4036 -0.53847 2015 3 15 57096 -0.0048 0.4053 -0.53979 2015 3 16 57097 -0.0039 0.4071 -0.54122 2015 3 17 57098 -0.0030 0.4088 -0.54282 2015 3 18 57099 -0.0020 0.4105 -0.54462 2015 3 19 57100 -0.0011 0.4122 -0.54662 2015 3 20 57101 0.0000 0.4139 -0.54874 2015 3 21 57102 0.0010 0.4156 -0.55089 2015 3 22 57103 0.0021 0.4172 -0.55297 2015 3 23 57104 0.0032 0.4189 -0.55490 2015 3 24 57105 0.0044 0.4205 -0.55665 2015 3 25 57106 0.0055 0.4221 -0.55824 2015 3 26 57107 0.0068 0.4237 -0.55969 2015 3 27 57108 0.0080 0.4253 -0.56106 2015 3 28 57109 0.0093 0.4269 -0.56241 2015 3 29 57110 0.0106 0.4284 -0.56376 2015 3 30 57111 0.0119 0.4300 -0.56516 2015 3 31 57112 0.0133 0.4315 -0.56662 2015 4 1 57113 0.0147 0.4330 -0.56816 2015 4 2 57114 0.0161 0.4345 -0.56976 2015 4 3 57115 0.0175 0.4359 -0.57140 2015 4 4 57116 0.0190 0.4374 -0.57306 2015 4 5 57117 0.0205 0.4388 -0.57471 2015 4 6 57118 0.0221 0.4402 -0.57626 2015 4 7 57119 0.0236 0.4416 -0.57775 2015 4 8 57120 0.0252 0.4429 -0.57917 2015 4 9 57121 0.0268 0.4443 -0.58053 2015 4 10 57122 0.0285 0.4456 -0.58185 2015 4 11 57123 0.0301 0.4469 -0.58319 2015 4 12 57124 0.0318 0.4481 -0.58459 2015 4 13 57125 0.0336 0.4494 -0.58610 2015 4 14 57126 0.0353 0.4506 -0.58778 2015 4 15 57127 0.0371 0.4518 -0.58962 2015 4 16 57128 0.0389 0.4530 -0.59161 2015 4 17 57129 0.0407 0.4541 -0.59366 2015 4 18 57130 0.0425 0.4552 -0.59570 2015 4 19 57131 0.0444 0.4563 -0.59762 2015 4 20 57132 0.0463 0.4574 -0.59938 2015 4 21 57133 0.0482 0.4584 -0.60094 2015 4 22 57134 0.0501 0.4595 -0.60234 2015 4 23 57135 0.0521 0.4604 -0.60362 2015 4 24 57136 0.0540 0.4614 -0.60483 2015 4 25 57137 0.0560 0.4623 -0.60602 2015 4 26 57138 0.0580 0.4632 -0.60722 2015 4 27 57139 0.0600 0.4641 -0.60845 2015 4 28 57140 0.0621 0.4649 -0.60973 2015 4 29 57141 0.0641 0.4658 -0.61106 2015 4 30 57142 0.0662 0.4665 -0.61242 2015 5 1 57143 0.0683 0.4673 -0.61379 2015 5 2 57144 0.0704 0.4680 -0.61514 2015 5 3 57145 0.0725 0.4687 -0.61646 2015 5 4 57146 0.0747 0.4694 -0.61771 2015 5 5 57147 0.0768 0.4700 -0.61889 2015 5 6 57148 0.0790 0.4706 -0.62000 2015 5 7 57149 0.0812 0.4711 -0.62104 2015 5 8 57150 0.0834 0.4717 -0.62207 2015 5 9 57151 0.0856 0.4722 -0.62312 2015 5 10 57152 0.0878 0.4726 -0.62425 2015 5 11 57153 0.0900 0.4731 -0.62550 2015 5 12 57154 0.0923 0.4735 -0.62689 2015 5 13 57155 0.0945 0.4738 -0.62841 2015 5 14 57156 0.0968 0.4742 -0.63001 2015 5 15 57157 0.0990 0.4745 -0.63162 2015 5 16 57158 0.1013 0.4747 -0.63316 2015 5 17 57159 0.1036 0.4750 -0.63456 2015 5 18 57160 0.1059 0.4752 -0.63578 2015 5 19 57161 0.1082 0.4753 -0.63683 2015 5 20 57162 0.1105 0.4755 -0.63775 2015 5 21 57163 0.1128 0.4755 -0.63857 2015 5 22 57164 0.1151 0.4756 -0.63936 2015 5 23 57165 0.1174 0.4756 -0.64013 2015 5 24 57166 0.1197 0.4756 -0.64093 2015 5 25 57167 0.1220 0.4756 -0.64177 2015 5 26 57168 0.1243 0.4755 -0.64264 2015 5 27 57169 0.1266 0.4754 -0.64353 2015 5 28 57170 0.1289 0.4752 -0.64444 2015 5 29 57171 0.1312 0.4750 -0.64533 2015 5 30 57172 0.1336 0.4748 -0.64618 2015 5 31 57173 0.1359 0.4746 -0.64698 2015 6 1 57174 0.1382 0.4743 -0.64769 2015 6 2 57175 0.1405 0.4739 -0.64833 2015 6 3 57176 0.1428 0.4736 -0.64891 2015 6 4 57177 0.1451 0.4732 -0.64944 2015 6 5 57178 0.1474 0.4728 -0.64998 2015 6 6 57179 0.1497 0.4723 -0.65058 2015 6 7 57180 0.1519 0.4718 -0.65129 2015 6 8 57181 0.1542 0.4712 -0.65212 2015 6 9 57182 0.1565 0.4707 -0.65306 2015 6 10 57183 0.1587 0.4701 -0.65407 2015 6 11 57184 0.1610 0.4694 -0.65509 2015 6 12 57185 0.1632 0.4687 -0.65606 2015 6 13 57186 0.1655 0.4680 -0.65691 2015 6 14 57187 0.1677 0.4673 -0.65760 2015 6 15 57188 0.1699 0.4665 -0.65813 2015 6 16 57189 0.1721 0.4657 -0.65852 2015 6 17 57190 0.1743 0.4648 -0.65881 2015 6 18 57191 0.1764 0.4639 -0.65904 2015 6 19 57192 0.1786 0.4630 -0.65928 2015 6 20 57193 0.1807 0.4621 -0.65954 2015 6 21 57194 0.1829 0.4611 -0.65984 2015 6 22 57195 0.1850 0.4601 -0.66020 2015 6 23 57196 0.1871 0.4590 -0.66061 2015 6 24 57197 0.1891 0.4579 -0.66106 2015 6 25 57198 0.1912 0.4568 -0.66153 2015 6 26 57199 0.1932 0.4557 -0.66201 2015 6 27 57200 0.1953 0.4545 -0.66248 2015 6 28 57201 0.1973 0.4533 -0.66292 2015 6 29 57202 0.1992 0.4520 -0.66333 2015 6 30 57203 0.2012 0.4507 -0.66372 2015 7 1 57204 0.2031 0.4494 -0.66409 2015 7 2 57205 0.2051 0.4481 -0.66449 2015 7 3 57206 0.2070 0.4467 -0.66496 2015 7 4 57207 0.2088 0.4453 -0.66554 2015 7 5 57208 0.2107 0.4439 -0.66626 2015 7 6 57209 0.2125 0.4424 -0.66712 2015 7 7 57210 0.2143 0.4409 -0.66805 2015 7 8 57211 0.2161 0.4394 -0.66900 2015 7 9 57212 0.2178 0.4379 -0.66990 2015 7 10 57213 0.2196 0.4363 -0.67069 2015 7 11 57214 0.2213 0.4347 -0.67130 2015 7 12 57215 0.2229 0.4331 -0.67174 2015 7 13 57216 0.2246 0.4314 -0.67200 2015 7 14 57217 0.2262 0.4297 -0.67212 2015 7 15 57218 0.2278 0.4280 -0.67215 2015 7 16 57219 0.2293 0.4263 -0.67213 2015 7 17 57220 0.2309 0.4245 -0.67211 2015 7 18 57221 0.2324 0.4227 -0.67211 2015 7 19 57222 0.2338 0.4209 -0.67216 2015 7 20 57223 0.2353 0.4191 -0.67224 2015 7 21 57224 0.2367 0.4172 -0.67237 2015 7 22 57225 0.2380 0.4153 -0.67251 2015 7 23 57226 0.2394 0.4134 -0.67266 2015 7 24 57227 0.2407 0.4115 -0.67279 2015 7 25 57228 0.2419 0.4095 -0.67290 2015 7 26 57229 0.2432 0.4076 -0.67299 2015 7 27 57230 0.2444 0.4056 -0.67305 2015 7 28 57231 0.2456 0.4036 -0.67309 2015 7 29 57232 0.2467 0.4015 -0.67315 2015 7 30 57233 0.2478 0.3995 -0.67332 2015 7 31 57234 0.2489 0.3974 -0.67365 2015 8 1 57235 0.2499 0.3953 -0.67415 2015 8 2 57236 0.2509 0.3932 -0.67486 2015 8 3 57237 0.2518 0.3911 -0.67573 2015 8 4 57238 0.2528 0.3889 -0.67664 2015 8 5 57239 0.2536 0.3868 -0.67749 2015 8 6 57240 0.2545 0.3846 -0.67821 2015 8 7 57241 0.2553 0.3824 -0.67875 2015 8 8 57242 0.2561 0.3802 -0.67910 2015 8 9 57243 0.2568 0.3780 -0.67932 2015 8 10 57244 0.2575 0.3758 -0.67941 2015 8 11 57245 0.2581 0.3735 -0.67951 2015 8 12 57246 0.2587 0.3713 -0.67966 2015 8 13 57247 0.2593 0.3690 -0.67990 2015 8 14 57248 0.2599 0.3667 -0.68023 2015 8 15 57249 0.2603 0.3644 -0.68067 2015 8 16 57250 0.2608 0.3621 -0.68117 2015 8 17 57251 0.2612 0.3598 -0.68172 2015 8 18 57252 0.2616 0.3575 -0.68232 2015 8 19 57253 0.2619 0.3552 -0.68290 2015 8 20 57254 0.2622 0.3528 -0.68345 2015 8 21 57255 0.2625 0.3505 -0.68396 2015 8 22 57256 0.2627 0.3481 -0.68440 2015 8 23 57257 0.2628 0.3458 -0.68481 2015 8 24 57258 0.2630 0.3434 -0.68524 2015 8 25 57259 0.2630 0.3411 -0.68572 2015 8 26 57260 0.2631 0.3387 -0.68626 2015 8 27 57261 0.2631 0.3363 -0.68693 2015 8 28 57262 0.2631 0.3340 -0.68775 2015 8 29 57263 0.2630 0.3316 -0.68867 2015 8 30 57264 0.2629 0.3292 -0.68975 2015 8 31 57265 0.2627 0.3268 -0.69097 2015 9 1 57266 0.2625 0.3245 -0.69217 2015 9 2 57267 0.2622 0.3221 -0.69328 2015 9 3 57268 0.2619 0.3197 -0.69423 2015 9 4 57269 0.2616 0.3174 -0.69493 2015 9 5 57270 0.2612 0.3150 -0.69541 2015 9 6 57271 0.2608 0.3126 -0.69569 2015 9 7 57272 0.2604 0.3103 -0.69590 2015 9 8 57273 0.2599 0.3079 -0.69621 2015 9 9 57274 0.2593 0.3056 -0.69656 2015 9 10 57275 0.2587 0.3032 -0.69695 2015 9 11 57276 0.2581 0.3009 -0.69745 2015 9 12 57277 0.2574 0.2985 -0.69805 2015 9 13 57278 0.2567 0.2962 -0.69875 2015 9 14 57279 0.2560 0.2939 -0.69952 2015 9 15 57280 0.2552 0.2916 -0.70036 2015 9 16 57281 0.2544 0.2893 -0.70123 2015 9 17 57282 0.2535 0.2870 -0.70208 2015 9 18 57283 0.2526 0.2847 -0.70282 2015 9 19 57284 0.2516 0.2825 -0.70348 2015 9 20 57285 0.2506 0.2802 -0.70407 2015 9 21 57286 0.2496 0.2780 -0.70458 2015 9 22 57287 0.2485 0.2758 -0.70510 2015 9 23 57288 0.2474 0.2736 -0.70572 2015 9 24 57289 0.2463 0.2714 -0.70649 2015 9 25 57290 0.2451 0.2692 -0.70746 2015 9 26 57291 0.2439 0.2670 -0.70866 2015 9 27 57292 0.2426 0.2649 -0.71012 2015 9 28 57293 0.2413 0.2627 -0.71167 2015 9 29 57294 0.2399 0.2606 -0.71322 2015 9 30 57295 0.2386 0.2585 -0.71467 2015 10 1 57296 0.2371 0.2565 -0.71589 2015 10 2 57297 0.2357 0.2544 -0.71685 2015 10 3 57298 0.2342 0.2524 -0.71763 2015 10 4 57299 0.2327 0.2504 -0.71827 2015 10 5 57300 0.2311 0.2484 -0.71884 2015 10 6 57301 0.2295 0.2464 -0.71942 2015 10 7 57302 0.2279 0.2444 -0.72009 2015 10 8 57303 0.2262 0.2425 -0.72089 2015 10 9 57304 0.2245 0.2406 -0.72183 2015 10 10 57305 0.2228 0.2387 -0.72288 2015 10 11 57306 0.2210 0.2369 -0.72398 2015 10 12 57307 0.2192 0.2350 -0.72513 2015 10 13 57308 0.2174 0.2332 -0.72636 2015 10 14 57309 0.2155 0.2315 -0.72759 2015 10 15 57310 0.2136 0.2297 -0.72879 2015 10 16 57311 0.2117 0.2280 -0.72997 2015 10 17 57312 0.2097 0.2263 -0.73112 2015 10 18 57313 0.2077 0.2246 -0.73223 2015 10 19 57314 0.2057 0.2230 -0.73335 2015 10 20 57315 0.2036 0.2214 -0.73454 2015 10 21 57316 0.2015 0.2198 -0.73583 2015 10 22 57317 0.1994 0.2182 -0.73727 2015 10 23 57318 0.1973 0.2167 -0.73894 2015 10 24 57319 0.1951 0.2152 -0.74078 2015 10 25 57320 0.1929 0.2138 -0.74268 2015 10 26 57321 0.1907 0.2124 -0.74462 2015 10 27 57322 0.1885 0.2110 -0.74651 2015 10 28 57323 0.1862 0.2096 -0.74824 2015 10 29 57324 0.1839 0.2083 -0.74979 2015 10 30 57325 0.1816 0.2070 -0.75118 2015 10 31 57326 0.1793 0.2057 -0.75246 2015 11 1 57327 0.1769 0.2045 -0.75366 2015 11 2 57328 0.1745 0.2033 -0.75486 2015 11 3 57329 0.1721 0.2022 -0.75605 2015 11 4 57330 0.1697 0.2010 -0.75727 2015 11 5 57331 0.1672 0.2000 -0.75851 2015 11 6 57332 0.1648 0.1989 -0.75976 2015 11 7 57333 0.1623 0.1979 -0.76103 2015 11 8 57334 0.1598 0.1969 -0.76228 2015 11 9 57335 0.1573 0.1960 -0.76347 2015 11 10 57336 0.1547 0.1951 -0.76461 2015 11 11 57337 0.1522 0.1942 -0.76564 2015 11 12 57338 0.1496 0.1934 -0.76659 2015 11 13 57339 0.1470 0.1926 -0.76746 2015 11 14 57340 0.1444 0.1919 -0.76824 2015 11 15 57341 0.1418 0.1912 -0.76898 2015 11 16 57342 0.1392 0.1905 -0.76978 2015 11 17 57343 0.1365 0.1899 -0.77068 2015 11 18 57344 0.1339 0.1893 -0.77170 2015 11 19 57345 0.1312 0.1887 -0.77290 2015 11 20 57346 0.1285 0.1882 -0.77430 2015 11 21 57347 0.1258 0.1878 -0.77593 2015 11 22 57348 0.1232 0.1873 -0.77765 2015 11 23 57349 0.1205 0.1870 -0.77938 2015 11 24 57350 0.1177 0.1866 -0.78104 2015 11 25 57351 0.1150 0.1863 -0.78258 2015 11 26 57352 0.1123 0.1860 -0.78402 2015 11 27 57353 0.1096 0.1858 -0.78529 2015 11 28 57354 0.1069 0.1856 -0.78651 2015 11 29 57355 0.1041 0.1855 -0.78773 2015 11 30 57356 0.1014 0.1854 -0.78894 2015 12 1 57357 0.0987 0.1853 -0.79018 2015 12 2 57358 0.0959 0.1853 -0.79145 2015 12 3 57359 0.0932 0.1853 -0.79274 2015 12 4 57360 0.0904 0.1854 -0.79401 2015 12 5 57361 0.0877 0.1855 -0.79527 2015 12 6 57362 0.0850 0.1857 -0.79646 2015 12 7 57363 0.0822 0.1859 -0.79760 2015 12 8 57364 0.0795 0.1861 -0.79866 2015 12 9 57365 0.0767 0.1864 -0.79964 2015 12 10 57366 0.0740 0.1867 -0.80051 2015 12 11 57367 0.0713 0.1871 -0.80135 2015 12 12 57368 0.0686 0.1875 -0.80216 2015 12 13 57369 0.0659 0.1879 -0.80292 2015 12 14 57370 0.0632 0.1884 -0.80375 2015 12 15 57371 0.0605 0.1889 -0.80471 2015 12 16 57372 0.0578 0.1895 -0.80584 2015 12 17 57373 0.0551 0.1901 -0.80710 2015 12 18 57374 0.0524 0.1907 -0.80852 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) 56987 -88.62 0.30 -10.82 0.02 56988 -88.74 0.30 -10.56 0.02 56989 -88.90 0.30 -10.32 0.02 56990 -88.96 0.30 -10.16 0.15 56991 -88.92 0.30 -10.04 0.03 56992 -88.85 0.30 -9.94 0.03 56993 -88.89 0.30 -9.86 0.03 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56987 -0.128 0.119 -0.123 0.020 56988 -0.122 0.119 -0.115 0.020 56989 -0.114 0.119 -0.104 0.020 56990 -0.109 0.119 -0.075 0.150 56991 -0.125 0.119 -0.035 0.030 56992 -0.146 0.119 -0.024 0.030 56993 -0.166 0.119 -0.017 0.030 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).