| Home | Register | Members | Search | Links |
![]() |
| Thread Tools | Display Modes |
|
Sam Wormley
Guest
Posts: n/a
|
>
> ************************************************** ******************** > * * > * I E R S B U L L E T I N - A * > * * > * Rapid Service/Prediction of Earth Orientation * > ************************************************** ******************** > 12 January 2012 Vol. XXV No. 002 > __________________________________________________ ____________________ > GENERAL INFORMATION: > To receive this information electronically, contact: > (E-Mail Removed) or use > <http://maia.usno.navy.mil/docrequest.html> > 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 04 Nov 2011 at 0000 UTC > Beginning 1 January 2009: > TAI-UTC = 34.000 000 seconds > ************************************************** ********************* > * A positive leap second WILL be introduced * > * in UTC on 30 June 2012. * > ************************************************** ********************* > __________________________________________________ ______________________ > The contributed observations used in the preparation of this Bulletin > are available at <http://www.usno.navy.mil/USNO/earth-orientation/ > eo-info/general/input-data>. 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 > 12 1 6 55932 0.11140 .00009 0.25998 .00009 -0.424054 0.000008 > 12 1 7 55933 0.10896 .00009 0.25964 .00009 -0.424778 0.000010 > 12 1 8 55934 0.10649 .00009 0.25894 .00009 -0.425542 0.000013 > 12 1 9 55935 0.10418 .00009 0.25811 .00009 -0.426383 0.000013 > 12 1 10 55936 0.10185 .00009 0.25721 .00009 -0.427321 0.000013 > 12 1 11 55937 0.09985 .00009 0.25609 .00009 -0.428356 0.000014 > 12 1 12 55938 0.09834 .00009 0.25500 .00009 -0.429557 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 = 0.0842 - 0.0405 cos A - 0.1162 sin A + 0.0545 cos C + 0.0290 sin C > y = 0.3305 - 0.1073 cos A + 0.0327 sin A + 0.0290 cos C - 0.0545 sin C > UT1-UTC = -0.4472 - 0.00087 (MJD - 55946) - (UT2-UT1) > > where A = 2*pi*(MJD-55938)/365.25 and C = 2*pi*(MJD-55938)/435. > > TAI-UTC(MJD 55939) = 34.0 > The accuracy may be estimated from the expressions: > S x,y = 0.00068 (MJD-55938)**0.80 S t = 0.00025 (MJD-55938)**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) > 2012 1 13 55939 0.0970 0.2543 -0.43096 > 2012 1 14 55940 0.0957 0.2539 -0.43246 > 2012 1 15 55941 0.0944 0.2536 -0.43394 > 2012 1 16 55942 0.0930 0.2534 -0.43526 > 2012 1 17 55943 0.0917 0.2534 -0.43638 > 2012 1 18 55944 0.0903 0.2534 -0.43728 > 2012 1 19 55945 0.0889 0.2534 -0.43799 > 2012 1 20 55946 0.0876 0.2535 -0.43859 > 2012 1 21 55947 0.0863 0.2536 -0.43917 > 2012 1 22 55948 0.0850 0.2538 -0.43987 > 2012 1 23 55949 0.0837 0.2540 -0.44074 > 2012 1 24 55950 0.0824 0.2542 -0.44180 > 2012 1 25 55951 0.0811 0.2545 -0.44298 > 2012 1 26 55952 0.0798 0.2548 -0.44426 > 2012 1 27 55953 0.0785 0.2551 -0.44558 > 2012 1 28 55954 0.0773 0.2554 -0.44688 > 2012 1 29 55955 0.0761 0.2557 -0.44812 > 2012 1 30 55956 0.0750 0.2561 -0.44929 > 2012 1 31 55957 0.0738 0.2566 -0.45036 > 2012 2 1 55958 0.0727 0.2570 -0.45135 > 2012 2 2 55959 0.0716 0.2575 -0.45225 > 2012 2 3 55960 0.0705 0.2581 -0.45308 > 2012 2 4 55961 0.0694 0.2587 -0.45391 > 2012 2 5 55962 0.0684 0.2592 -0.45479 > 2012 2 6 55963 0.0673 0.2599 -0.45580 > 2012 2 7 55964 0.0663 0.2605 -0.45699 > 2012 2 8 55965 0.0653 0.2612 -0.45837 > 2012 2 9 55966 0.0643 0.2618 -0.45993 > 2012 2 10 55967 0.0633 0.2625 -0.46160 > 2012 2 11 55968 0.0624 0.2632 -0.46328 > 2012 2 12 55969 0.0614 0.2640 -0.46488 > 2012 2 13 55970 0.0605 0.2647 -0.46631 > 2012 2 14 55971 0.0596 0.2655 -0.46755 > 2012 2 15 55972 0.0588 0.2663 -0.46861 > 2012 2 16 55973 0.0579 0.2671 -0.46954 > 2012 2 17 55974 0.0571 0.2679 -0.47042 > 2012 2 18 55975 0.0562 0.2688 -0.47133 > 2012 2 19 55976 0.0554 0.2696 -0.47234 > 2012 2 20 55977 0.0547 0.2705 -0.47346 > 2012 2 21 55978 0.0539 0.2714 -0.47470 > 2012 2 22 55979 0.0532 0.2722 -0.47603 > 2012 2 23 55980 0.0525 0.2732 -0.47739 > 2012 2 24 55981 0.0518 0.2741 -0.47873 > 2012 2 25 55982 0.0511 0.2750 -0.48001 > 2012 2 26 55983 0.0504 0.2759 -0.48119 > 2012 2 27 55984 0.0498 0.2769 -0.48227 > 2012 2 28 55985 0.0492 0.2779 -0.48325 > 2012 2 29 55986 0.0486 0.2788 -0.48413 > 2012 3 1 55987 0.0480 0.2798 -0.48495 > 2012 3 2 55988 0.0475 0.2808 -0.48576 > 2012 3 3 55989 0.0470 0.2818 -0.48661 > 2012 3 4 55990 0.0465 0.2828 -0.48756 > 2012 3 5 55991 0.0460 0.2838 -0.48868 > 2012 3 6 55992 0.0455 0.2848 -0.49001 > 2012 3 7 55993 0.0451 0.2859 -0.49155 > 2012 3 8 55994 0.0447 0.2869 -0.49326 > 2012 3 9 55995 0.0443 0.2879 -0.49506 > 2012 3 10 55996 0.0439 0.2890 -0.49685 > 2012 3 11 55997 0.0435 0.2900 -0.49853 > 2012 3 12 55998 0.0432 0.2911 -0.50003 > 2012 3 13 55999 0.0429 0.2922 -0.50134 > 2012 3 14 56000 0.0426 0.2932 -0.50251 > 2012 3 15 56001 0.0424 0.2943 -0.50361 > 2012 3 16 56002 0.0421 0.2954 -0.50473 > 2012 3 17 56003 0.0419 0.2964 -0.50593 > 2012 3 18 56004 0.0417 0.2975 -0.50723 > 2012 3 19 56005 0.0415 0.2986 -0.50866 > 2012 3 20 56006 0.0414 0.2997 -0.51018 > 2012 3 21 56007 0.0413 0.3008 -0.51175 > 2012 3 22 56008 0.0411 0.3019 -0.51332 > 2012 3 23 56009 0.0411 0.3029 -0.51484 > 2012 3 24 56010 0.0410 0.3040 -0.51628 > 2012 3 25 56011 0.0409 0.3051 -0.51760 > 2012 3 26 56012 0.0409 0.3062 -0.51880 > 2012 3 27 56013 0.0409 0.3073 -0.51989 > 2012 3 28 56014 0.0409 0.3084 -0.52090 > 2012 3 29 56015 0.0410 0.3095 -0.52188 > 2012 3 30 56016 0.0411 0.3105 -0.52288 > 2012 3 31 56017 0.0411 0.3116 -0.52395 > 2012 4 1 56018 0.0412 0.3127 -0.52515 > 2012 4 2 56019 0.0414 0.3138 -0.52653 > 2012 4 3 56020 0.0415 0.3148 -0.52812 > 2012 4 4 56021 0.0417 0.3159 -0.52990 > 2012 4 5 56022 0.0419 0.3170 -0.53183 > 2012 4 6 56023 0.0421 0.3180 -0.53380 > 2012 4 7 56024 0.0423 0.3191 -0.53570 > 2012 4 8 56025 0.0426 0.3201 -0.53744 > 2012 4 9 56026 0.0429 0.3212 -0.53896 > 2012 4 10 56027 0.0431 0.3222 -0.54029 > 2012 4 11 56028 0.0435 0.3232 -0.54150 > 2012 4 12 56029 0.0438 0.3242 -0.54268 > 2012 4 13 56030 0.0441 0.3253 -0.54390 > 2012 4 14 56031 0.0445 0.3263 -0.54520 > 2012 4 15 56032 0.0449 0.3273 -0.54659 > 2012 4 16 56033 0.0453 0.3283 -0.54805 > 2012 4 17 56034 0.0457 0.3293 -0.54954 > 2012 4 18 56035 0.0462 0.3303 -0.55102 > 2012 4 19 56036 0.0466 0.3312 -0.55246 > 2012 4 20 56037 0.0471 0.3322 -0.55381 > 2012 4 21 56038 0.0476 0.3331 -0.55504 > 2012 4 22 56039 0.0481 0.3341 -0.55615 > 2012 4 23 56040 0.0486 0.3350 -0.55714 > 2012 4 24 56041 0.0492 0.3360 -0.55803 > 2012 4 25 56042 0.0497 0.3369 -0.55887 > 2012 4 26 56043 0.0503 0.3378 -0.55969 > 2012 4 27 56044 0.0509 0.3387 -0.56055 > 2012 4 28 56045 0.0515 0.3396 -0.56150 > 2012 4 29 56046 0.0522 0.3404 -0.56258 > 2012 4 30 56047 0.0528 0.3413 -0.56385 > 2012 5 1 56048 0.0535 0.3422 -0.56529 > 2012 5 2 56049 0.0541 0.3430 -0.56689 > 2012 5 3 56050 0.0548 0.3438 -0.56857 > 2012 5 4 56051 0.0555 0.3447 -0.57024 > 2012 5 5 56052 0.0562 0.3455 -0.57179 > 2012 5 6 56053 0.0570 0.3463 -0.57315 > 2012 5 7 56054 0.0577 0.3470 -0.57431 > 2012 5 8 56055 0.0585 0.3478 -0.57532 > 2012 5 9 56056 0.0592 0.3486 -0.57625 > 2012 5 10 56057 0.0600 0.3493 -0.57718 > 2012 5 11 56058 0.0608 0.3500 -0.57818 > 2012 5 12 56059 0.0616 0.3507 -0.57925 > 2012 5 13 56060 0.0624 0.3514 -0.58038 > 2012 5 14 56061 0.0632 0.3521 -0.58153 > 2012 5 15 56062 0.0641 0.3528 -0.58266 > 2012 5 16 56063 0.0649 0.3534 -0.58372 > 2012 5 17 56064 0.0658 0.3541 -0.58469 > 2012 5 18 56065 0.0666 0.3547 -0.58553 > 2012 5 19 56066 0.0675 0.3553 -0.58623 > 2012 5 20 56067 0.0684 0.3559 -0.58680 > 2012 5 21 56068 0.0693 0.3565 -0.58726 > 2012 5 22 56069 0.0702 0.3571 -0.58764 > 2012 5 23 56070 0.0711 0.3576 -0.58799 > 2012 5 24 56071 0.0720 0.3582 -0.58836 > 2012 5 25 56072 0.0729 0.3587 -0.58879 > 2012 5 26 56073 0.0739 0.3592 -0.58933 > 2012 5 27 56074 0.0748 0.3597 -0.59002 > 2012 5 28 56075 0.0758 0.3601 -0.59085 > 2012 5 29 56076 0.0767 0.3606 -0.59181 > 2012 5 30 56077 0.0777 0.3610 -0.59287 > 2012 5 31 56078 0.0786 0.3615 -0.59395 > 2012 6 1 56079 0.0796 0.3619 -0.59497 > 2012 6 2 56080 0.0806 0.3622 -0.59584 > 2012 6 3 56081 0.0815 0.3626 -0.59653 > 2012 6 4 56082 0.0825 0.3630 -0.59705 > 2012 6 5 56083 0.0835 0.3633 -0.59748 > 2012 6 6 56084 0.0845 0.3636 -0.59789 > 2012 6 7 56085 0.0854 0.3640 -0.59835 > 2012 6 8 56086 0.0864 0.3642 -0.59891 > 2012 6 9 56087 0.0874 0.3645 -0.59955 > 2012 6 10 56088 0.0884 0.3648 -0.60022 > 2012 6 11 56089 0.0894 0.3650 -0.60088 > 2012 6 12 56090 0.0904 0.3652 -0.60147 > 2012 6 13 56091 0.0914 0.3655 -0.60197 > 2012 6 14 56092 0.0924 0.3656 -0.60234 > 2012 6 15 56093 0.0934 0.3658 -0.60258 > 2012 6 16 56094 0.0944 0.3660 -0.60269 > 2012 6 17 56095 0.0954 0.3661 -0.60267 > 2012 6 18 56096 0.0964 0.3662 -0.60258 > 2012 6 19 56097 0.0973 0.3663 -0.60245 > 2012 6 20 56098 0.0983 0.3664 -0.60233 > 2012 6 21 56099 0.0993 0.3665 -0.60228 > 2012 6 22 56100 0.1003 0.3666 -0.60233 > 2012 6 23 56101 0.1013 0.3666 -0.60252 > 2012 6 24 56102 0.1022 0.3666 -0.60285 > 2012 6 25 56103 0.1032 0.3667 -0.60332 > 2012 6 26 56104 0.1042 0.3666 -0.60387 > 2012 6 27 56105 0.1051 0.3666 -0.60446 > 2012 6 28 56106 0.1061 0.3666 -0.60500 > 2012 6 29 56107 0.1071 0.3665 -0.60543 > 2012 6 30 56108 0.1080 0.3665 -0.60571 > 2012 7 1 56109 0.1089 0.3664 0.39415 > 2012 7 2 56110 0.1099 0.3663 0.39413 > 2012 7 3 56111 0.1108 0.3662 0.39414 > 2012 7 4 56112 0.1117 0.3660 0.39410 > 2012 7 5 56113 0.1127 0.3659 0.39396 > 2012 7 6 56114 0.1136 0.3657 0.39371 > 2012 7 7 56115 0.1145 0.3655 0.39339 > 2012 7 8 56116 0.1154 0.3653 0.39305 > 2012 7 9 56117 0.1162 0.3651 0.39275 > 2012 7 10 56118 0.1171 0.3649 0.39254 > 2012 7 11 56119 0.1180 0.3647 0.39245 > 2012 7 12 56120 0.1188 0.3644 0.39251 > 2012 7 13 56121 0.1197 0.3642 0.39272 > 2012 7 14 56122 0.1205 0.3639 0.39305 > 2012 7 15 56123 0.1214 0.3636 0.39349 > 2012 7 16 56124 0.1222 0.3633 0.39399 > 2012 7 17 56125 0.1230 0.3630 0.39450 > 2012 7 18 56126 0.1238 0.3627 0.39496 > 2012 7 19 56127 0.1246 0.3623 0.39533 > 2012 7 20 56128 0.1253 0.3620 0.39555 > 2012 7 21 56129 0.1261 0.3616 0.39562 > 2012 7 22 56130 0.1268 0.3612 0.39553 > 2012 7 23 56131 0.1276 0.3608 0.39532 > 2012 7 24 56132 0.1283 0.3604 0.39503 > 2012 7 25 56133 0.1290 0.3600 0.39474 > 2012 7 26 56134 0.1297 0.3596 0.39452 > 2012 7 27 56135 0.1304 0.3591 0.39439 > 2012 7 28 56136 0.1311 0.3587 0.39437 > 2012 7 29 56137 0.1318 0.3582 0.39444 > 2012 7 30 56138 0.1324 0.3577 0.39453 > 2012 7 31 56139 0.1330 0.3572 0.39459 > 2012 8 1 56140 0.1337 0.3568 0.39454 > 2012 8 2 56141 0.1343 0.3563 0.39437 > 2012 8 3 56142 0.1349 0.3557 0.39408 > 2012 8 4 56143 0.1354 0.3552 0.39373 > 2012 8 5 56144 0.1360 0.3547 0.39338 > 2012 8 6 56145 0.1366 0.3542 0.39308 > 2012 8 7 56146 0.1371 0.3536 0.39287 > 2012 8 8 56147 0.1376 0.3530 0.39279 > 2012 8 9 56148 0.1381 0.3525 0.39282 > 2012 8 10 56149 0.1386 0.3519 0.39296 > 2012 8 11 56150 0.1391 0.3513 0.39318 > 2012 8 12 56151 0.1395 0.3507 0.39341 > 2012 8 13 56152 0.1400 0.3502 0.39361 > 2012 8 14 56153 0.1404 0.3496 0.39373 > 2012 8 15 56154 0.1408 0.3489 0.39374 > 2012 8 16 56155 0.1412 0.3483 0.39362 > 2012 8 17 56156 0.1416 0.3477 0.39333 > 2012 8 18 56157 0.1419 0.3471 0.39286 > 2012 8 19 56158 0.1423 0.3465 0.39222 > 2012 8 20 56159 0.1426 0.3458 0.39147 > 2012 8 21 56160 0.1429 0.3452 0.39070 > 2012 8 22 56161 0.1432 0.3445 0.38999 > 2012 8 23 56162 0.1435 0.3439 0.38938 > 2012 8 24 56163 0.1438 0.3432 0.38887 > 2012 8 25 56164 0.1440 0.3426 0.38843 > 2012 8 26 56165 0.1442 0.3419 0.38803 > 2012 8 27 56166 0.1444 0.3413 0.38754 > 2012 8 28 56167 0.1446 0.3406 0.38697 > 2012 8 29 56168 0.1448 0.3399 0.38629 > 2012 8 30 56169 0.1450 0.3393 0.38546 > 2012 8 31 56170 0.1451 0.3386 0.38455 > 2012 9 1 56171 0.1452 0.3379 0.38358 > 2012 9 2 56172 0.1453 0.3373 0.38254 > 2012 9 3 56173 0.1454 0.3366 0.38151 > 2012 9 4 56174 0.1455 0.3359 0.38057 > 2012 9 5 56175 0.1456 0.3352 0.37971 > 2012 9 6 56176 0.1456 0.3346 0.37896 > 2012 9 7 56177 0.1456 0.3339 0.37835 > 2012 9 8 56178 0.1456 0.3332 0.37776 > 2012 9 9 56179 0.1456 0.3325 0.37716 > 2012 9 10 56180 0.1456 0.3319 0.37652 > 2012 9 11 56181 0.1456 0.3312 0.37582 > 2012 9 12 56182 0.1455 0.3305 0.37499 > 2012 9 13 56183 0.1454 0.3299 0.37403 > 2012 9 14 56184 0.1453 0.3292 0.37291 > 2012 9 15 56185 0.1452 0.3285 0.37163 > 2012 9 16 56186 0.1451 0.3279 0.37035 > 2012 9 17 56187 0.1450 0.3272 0.36906 > 2012 9 18 56188 0.1448 0.3266 0.36775 > 2012 9 19 56189 0.1446 0.3259 0.36655 > 2012 9 20 56190 0.1445 0.3253 0.36543 > 2012 9 21 56191 0.1442 0.3246 0.36441 > 2012 9 22 56192 0.1440 0.3240 0.36341 > 2012 9 23 56193 0.1438 0.3234 0.36229 > 2012 9 24 56194 0.1435 0.3228 0.36108 > 2012 9 25 56195 0.1433 0.3221 0.35975 > 2012 9 26 56196 0.1430 0.3215 0.35829 > 2012 9 27 56197 0.1427 0.3209 0.35674 > 2012 9 28 56198 0.1424 0.3203 0.35524 > 2012 9 29 56199 0.1421 0.3197 0.35379 > 2012 9 30 56200 0.1417 0.3191 0.35238 > 2012 10 1 56201 0.1414 0.3185 0.35103 > 2012 10 2 56202 0.1410 0.3180 0.34983 > 2012 10 3 56203 0.1406 0.3174 0.34878 > 2012 10 4 56204 0.1402 0.3168 0.34785 > 2012 10 5 56205 0.1398 0.3163 0.34698 > 2012 10 6 56206 0.1394 0.3157 0.34614 > 2012 10 7 56207 0.1390 0.3152 0.34532 > 2012 10 8 56208 0.1385 0.3147 0.34455 > 2012 10 9 56209 0.1381 0.3142 0.34369 > 2012 10 10 56210 0.1376 0.3136 0.34277 > 2012 10 11 56211 0.1371 0.3131 0.34174 > 2012 10 12 56212 0.1366 0.3127 0.34053 > 2012 10 13 56213 0.1361 0.3122 0.33916 > 2012 10 14 56214 0.1356 0.3117 0.33776 > 2012 10 15 56215 0.1351 0.3112 0.33633 > 2012 10 16 56216 0.1345 0.3108 0.33499 > 2012 10 17 56217 0.1340 0.3104 0.33379 > 2012 10 18 56218 0.1334 0.3099 0.33276 > 2012 10 19 56219 0.1328 0.3095 0.33186 > 2012 10 20 56220 0.1322 0.3091 0.33102 > 2012 10 21 56221 0.1317 0.3087 0.33010 > 2012 10 22 56222 0.1310 0.3083 0.32907 > 2012 10 23 56223 0.1304 0.3079 0.32797 > 2012 10 24 56224 0.1298 0.3076 0.32682 > 2012 10 25 56225 0.1292 0.3072 0.32568 > 2012 10 26 56226 0.1286 0.3069 0.32459 > 2012 10 27 56227 0.1279 0.3066 0.32356 > 2012 10 28 56228 0.1273 0.3062 0.32260 > 2012 10 29 56229 0.1266 0.3059 0.32167 > 2012 10 30 56230 0.1259 0.3057 0.32082 > 2012 10 31 56231 0.1253 0.3054 0.32005 > 2012 11 1 56232 0.1246 0.3051 0.31935 > 2012 11 2 56233 0.1239 0.3049 0.31871 > 2012 11 3 56234 0.1232 0.3046 0.31811 > 2012 11 4 56235 0.1225 0.3044 0.31742 > 2012 11 5 56236 0.1218 0.3042 0.31662 > 2012 11 6 56237 0.1211 0.3040 0.31564 > 2012 11 7 56238 0.1204 0.3038 0.31447 > 2012 11 8 56239 0.1197 0.3036 0.31310 > 2012 11 9 56240 0.1190 0.3035 0.31161 > 2012 11 10 56241 0.1182 0.3033 0.31000 > 2012 11 11 56242 0.1175 0.3032 0.30838 > 2012 11 12 56243 0.1168 0.3031 0.30676 > 2012 11 13 56244 0.1161 0.3030 0.30528 > 2012 11 14 56245 0.1153 0.3029 0.30403 > 2012 11 15 56246 0.1146 0.3028 0.30296 > 2012 11 16 56247 0.1139 0.3028 0.30198 > 2012 11 17 56248 0.1131 0.3027 0.30111 > 2012 11 18 56249 0.1124 0.3027 0.30023 > 2012 11 19 56250 0.1116 0.3027 0.29928 > 2012 11 20 56251 0.1109 0.3027 0.29826 > 2012 11 21 56252 0.1102 0.3027 0.29726 > 2012 11 22 56253 0.1094 0.3027 0.29632 > 2012 11 23 56254 0.1087 0.3027 0.29544 > 2012 11 24 56255 0.1080 0.3028 0.29460 > 2012 11 25 56256 0.1072 0.3029 0.29383 > 2012 11 26 56257 0.1065 0.3029 0.29317 > 2012 11 27 56258 0.1058 0.3030 0.29265 > 2012 11 28 56259 0.1050 0.3031 0.29222 > 2012 11 29 56260 0.1043 0.3033 0.29182 > 2012 11 30 56261 0.1036 0.3034 0.29133 > 2012 12 1 56262 0.1029 0.3036 0.29082 > 2012 12 2 56263 0.1021 0.3037 0.29024 > 2012 12 3 56264 0.1014 0.3039 0.28958 > 2012 12 4 56265 0.1007 0.3041 0.28883 > 2012 12 5 56266 0.1000 0.3043 0.28791 > 2012 12 6 56267 0.0993 0.3045 0.28684 > 2012 12 7 56268 0.0986 0.3047 0.28570 > 2012 12 8 56269 0.0979 0.3050 0.28453 > 2012 12 9 56270 0.0973 0.3053 0.28345 > 2012 12 10 56271 0.0966 0.3055 0.28245 > 2012 12 11 56272 0.0959 0.3058 0.28159 > 2012 12 12 56273 0.0953 0.3061 0.28091 > 2012 12 13 56274 0.0946 0.3064 0.28029 > 2012 12 14 56275 0.0940 0.3068 0.27966 > 2012 12 15 56276 0.0933 0.3071 0.27894 > 2012 12 16 56277 0.0927 0.3074 0.27807 > 2012 12 17 56278 0.0921 0.3078 0.27703 > 2012 12 18 56279 0.0914 0.3082 0.27590 > 2012 12 19 56280 0.0908 0.3086 0.27476 > 2012 12 20 56281 0.0903 0.3090 0.27372 > 2012 12 21 56282 0.0897 0.3094 0.27283 > 2012 12 22 56283 0.0891 0.3098 0.27204 > 2012 12 23 56284 0.0885 0.3102 0.27141 > 2012 12 24 56285 0.0880 0.3107 0.27093 > 2012 12 25 56286 0.0874 0.3112 0.27059 > 2012 12 26 56287 0.0869 0.3116 0.27035 > 2012 12 27 56288 0.0864 0.3121 0.27015 > 2012 12 28 56289 0.0859 0.3126 0.26994 > 2012 12 29 56290 0.0854 0.3131 0.26970 > 2012 12 30 56291 0.0849 0.3136 0.26938 > 2012 12 31 56292 0.0844 0.3141 0.26897 > 2013 1 1 56293 0.0840 0.3147 0.26843 > 2013 1 2 56294 0.0835 0.3152 0.26775 > 2013 1 3 56295 0.0831 0.3158 0.26698 > 2013 1 4 56296 0.0827 0.3163 0.26603 > 2013 1 5 56297 0.0823 0.3169 0.26507 > 2013 1 6 56298 0.0819 0.3175 0.26412 > 2013 1 7 56299 0.0815 0.3181 0.26331 > 2013 1 8 56300 0.0811 0.3187 0.26260 > 2013 1 9 56301 0.0808 0.3193 0.26195 > 2013 1 10 56302 0.0804 0.3199 0.26133 > 2013 1 11 56303 0.0801 0.3205 0.26069 > 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) > 55912 -71.01 0.40 -7.62 0.07 > 55913 -71.04 0.30 -7.38 0.04 > 55914 -71.13 0.30 -7.11 0.04 > 55915 -71.30 0.25 -6.91 0.02 > 55916 -71.46 0.25 -6.92 0.02 > 55917 -71.47 0.25 -7.15 0.02 > 55918 -71.30 0.25 -7.46 0.02 > 55919 -71.06 0.38 -7.61 0.01 > 55920 -70.85 0.38 -7.50 0.01 > 55921 -70.62 0.44 -7.27 0.12 > 55922 -70.32 0.44 -7.12 0.12 > 55923 -70.07 0.44 -7.15 0.12 > > IAU2000A Celestial Pole Offset Series > MJD dX error dY error > (msec. of arc) > 55912 0.226 0.159 0.089 0.070 > 55913 0.229 0.119 0.067 0.040 > 55914 0.247 0.119 0.037 0.040 > 55915 0.271 0.099 0.000 0.020 > 55916 0.284 0.099 -0.037 0.020 > 55917 0.286 0.099 -0.041 0.020 > 55918 0.285 0.099 -0.043 0.020 > 55919 0.292 0.151 -0.060 0.010 > 55920 0.299 0.151 -0.086 0.010 > 55921 0.303 0.175 -0.112 0.120 > 55922 0.308 0.175 -0.127 0.120 > 55923 0.316 0.175 -0.144 0.120 > > The recommended software to predict celestial pole offsets can be found at > <http://www.usno.navy.mil/USNO/earth-orientation/software/aux/ceppred.f> > and software for the calculation of the dX and dY components with > respect to IAU2000A Nutation/Precession Theory can be found at the > <http://maia.usno.navy.mil/conv2010/conventions.html> > web site in Chapter 5 Section 5.5 of the IERS Conventions (2010). |
|
|
|
|
|||
|
|||
|
|
|
| |
![]() |
| Thread Tools | |
| Display Modes | |
|
|
Powered by vBulletin®. Copyright ©2000 - 2008, Jelsoft Enterprises Ltd.
SEO by vBSEO 3.3.2 ©2009, Crawlability, Inc. |



Linear Mode
