********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 27 December 2018 Vol. XXXI 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 = +0.0 seconds beginning 21 Sep 2018 at 0000 UTC = -0.1 seconds beginning 17 Jan 2019 at 0000 UTC Beginning 1 January 2017: TAI-UTC = 37.000 000 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 * * * * An additional backup mirror of the daily and Bulletin A EOP data * * is now hosted by NASA's Archive of Space Geodesy Data server at: * * ftp://cddis.gsfc.nasa.gov/pub/products/iers * * Daily EOP data will be uploaded here at 18:00 UTC, and * * Bulletin A EOP data should be available by 20:00 UTC. * * * * Questions and enquiries can be emailed to the following address: * * usn.ncr.navobsydc.mbx.eopcp@mail.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 18 12 21 58473 0.10987 .00009 0.26676 .00009 -0.027627 0.000014 18 12 22 58474 0.10787 .00009 0.26656 .00009 -0.028211 0.000012 18 12 23 58475 0.10576 .00009 0.26650 .00009 -0.028677 0.000009 18 12 24 58476 0.10361 .00009 0.26658 .00009 -0.029138 0.000008 18 12 25 58477 0.10144 .00009 0.26681 .00009 -0.029657 0.000008 18 12 26 58478 0.09931 .00009 0.26733 .00009 -0.030280 0.000065 18 12 27 58479 0.09727 .00009 0.26808 .00009 -0.031065 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 = 0.1173 - 0.0608 cos A - 0.0610 sin A + 0.0411 cos C - 0.0184 sin C y = 0.3486 - 0.0560 cos A + 0.0540 sin A - 0.0184 cos C - 0.0411 sin C UT1-UTC = -0.0456 - 0.00066 (MJD - 58487) - (UT2-UT1) where A = 2*pi*(MJD-58479)/365.25 and C = 2*pi*(MJD-58479)/435. TAI-UTC(MJD 58480) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58479)**0.80 S t = 0.00025 (MJD-58479)**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) 2018 12 28 58480 0.0953 0.2688 -0.03205 2018 12 29 58481 0.0934 0.2695 -0.03317 2018 12 30 58482 0.0916 0.2701 -0.03432 2018 12 31 58483 0.0898 0.2707 -0.03542 2019 1 1 58484 0.0881 0.2714 -0.03645 2019 1 2 58485 0.0864 0.2720 -0.03737 2019 1 3 58486 0.0848 0.2727 -0.03816 2019 1 4 58487 0.0832 0.2735 -0.03881 2019 1 5 58488 0.0815 0.2742 -0.03935 2019 1 6 58489 0.0799 0.2749 -0.03979 2019 1 7 58490 0.0784 0.2757 -0.04017 2019 1 8 58491 0.0768 0.2764 -0.04052 2019 1 9 58492 0.0753 0.2772 -0.04089 2019 1 10 58493 0.0738 0.2779 -0.04132 2019 1 11 58494 0.0723 0.2787 -0.04184 2019 1 12 58495 0.0708 0.2796 -0.04246 2019 1 13 58496 0.0694 0.2805 -0.04320 2019 1 14 58497 0.0679 0.2814 -0.04401 2019 1 15 58498 0.0665 0.2824 -0.04485 2019 1 16 58499 0.0652 0.2834 -0.04568 2019 1 17 58500 0.0638 0.2844 -0.04645 2019 1 18 58501 0.0625 0.2854 -0.04713 2019 1 19 58502 0.0612 0.2865 -0.04771 2019 1 20 58503 0.0600 0.2876 -0.04823 2019 1 21 58504 0.0587 0.2887 -0.04879 2019 1 22 58505 0.0575 0.2898 -0.04949 2019 1 23 58506 0.0563 0.2910 -0.05038 2019 1 24 58507 0.0552 0.2922 -0.05146 2019 1 25 58508 0.0540 0.2933 -0.05270 2019 1 26 58509 0.0529 0.2945 -0.05397 2019 1 27 58510 0.0518 0.2958 -0.05521 2019 1 28 58511 0.0507 0.2970 -0.05631 2019 1 29 58512 0.0497 0.2982 -0.05726 2019 1 30 58513 0.0487 0.2995 -0.05803 2019 1 31 58514 0.0477 0.3008 -0.05865 2019 2 1 58515 0.0467 0.3021 -0.05916 2019 2 2 58516 0.0457 0.3034 -0.05959 2019 2 3 58517 0.0448 0.3047 -0.05998 2019 2 4 58518 0.0439 0.3060 -0.06039 2019 2 5 58519 0.0430 0.3074 -0.06087 2019 2 6 58520 0.0422 0.3088 -0.06146 2019 2 7 58521 0.0414 0.3102 -0.06216 2019 2 8 58522 0.0406 0.3116 -0.06299 2019 2 9 58523 0.0399 0.3130 -0.06393 2019 2 10 58524 0.0391 0.3144 -0.06493 2019 2 11 58525 0.0384 0.3158 -0.06596 2019 2 12 58526 0.0378 0.3173 -0.06697 2019 2 13 58527 0.0371 0.3187 -0.06792 2019 2 14 58528 0.0365 0.3202 -0.06880 2019 2 15 58529 0.0359 0.3217 -0.06959 2019 2 16 58530 0.0354 0.3232 -0.07033 2019 2 17 58531 0.0349 0.3247 -0.07109 2019 2 18 58532 0.0344 0.3262 -0.07194 2019 2 19 58533 0.0339 0.3277 -0.07299 2019 2 20 58534 0.0335 0.3293 -0.07425 2019 2 21 58535 0.0331 0.3308 -0.07569 2019 2 22 58536 0.0327 0.3323 -0.07724 2019 2 23 58537 0.0323 0.3339 -0.07878 2019 2 24 58538 0.0320 0.3355 -0.08021 2019 2 25 58539 0.0317 0.3370 -0.08146 2019 2 26 58540 0.0315 0.3386 -0.08251 2019 2 27 58541 0.0312 0.3402 -0.08338 2019 2 28 58542 0.0310 0.3417 -0.08410 2019 3 1 58543 0.0309 0.3433 -0.08474 2019 3 2 58544 0.0307 0.3449 -0.08534 2019 3 3 58545 0.0306 0.3465 -0.08596 2019 3 4 58546 0.0306 0.3481 -0.08664 2019 3 5 58547 0.0305 0.3497 -0.08743 2019 3 6 58548 0.0305 0.3513 -0.08832 2019 3 7 58549 0.0305 0.3529 -0.08934 2019 3 8 58550 0.0306 0.3545 -0.09047 2019 3 9 58551 0.0306 0.3561 -0.09167 2019 3 10 58552 0.0307 0.3577 -0.09290 2019 3 11 58553 0.0309 0.3593 -0.09413 2019 3 12 58554 0.0311 0.3609 -0.09530 2019 3 13 58555 0.0313 0.3625 -0.09639 2019 3 14 58556 0.0315 0.3641 -0.09739 2019 3 15 58557 0.0317 0.3657 -0.09833 2019 3 16 58558 0.0320 0.3672 -0.09925 2019 3 17 58559 0.0324 0.3688 -0.10023 2019 3 18 58560 0.0327 0.3704 -0.10137 2019 3 19 58561 0.0331 0.3720 -0.10273 2019 3 20 58562 0.0335 0.3736 -0.10431 2019 3 21 58563 0.0339 0.3751 -0.10606 2019 3 22 58564 0.0344 0.3767 -0.10788 2019 3 23 58565 0.0349 0.3782 -0.10965 2019 3 24 58566 0.0355 0.3798 -0.11127 2019 3 25 58567 0.0360 0.3813 -0.11269 2019 3 26 58568 0.0366 0.3828 -0.11390 2019 3 27 58569 0.0372 0.3844 -0.11496 2019 3 28 58570 0.0379 0.3859 -0.11589 2019 3 29 58571 0.0385 0.3874 -0.11676 2019 3 30 58572 0.0392 0.3889 -0.11763 2019 3 31 58573 0.0400 0.3904 -0.11855 2019 4 1 58574 0.0407 0.3918 -0.11955 2019 4 2 58575 0.0415 0.3933 -0.12066 2019 4 3 58576 0.0423 0.3948 -0.12189 2019 4 4 58577 0.0432 0.3962 -0.12323 2019 4 5 58578 0.0441 0.3976 -0.12465 2019 4 6 58579 0.0449 0.3990 -0.12610 2019 4 7 58580 0.0459 0.4004 -0.12753 2019 4 8 58581 0.0468 0.4018 -0.12889 2019 4 9 58582 0.0478 0.4032 -0.13014 2019 4 10 58583 0.0488 0.4046 -0.13127 2019 4 11 58584 0.0498 0.4059 -0.13229 2019 4 12 58585 0.0509 0.4072 -0.13325 2019 4 13 58586 0.0519 0.4085 -0.13422 2019 4 14 58587 0.0530 0.4098 -0.13529 2019 4 15 58588 0.0542 0.4111 -0.13651 2019 4 16 58589 0.0553 0.4124 -0.13793 2019 4 17 58590 0.0565 0.4136 -0.13953 2019 4 18 58591 0.0577 0.4149 -0.14125 2019 4 19 58592 0.0589 0.4161 -0.14297 2019 4 20 58593 0.0601 0.4173 -0.14458 2019 4 21 58594 0.0614 0.4184 -0.14600 2019 4 22 58595 0.0627 0.4196 -0.14721 2019 4 23 58596 0.0640 0.4207 -0.14820 2019 4 24 58597 0.0653 0.4218 -0.14903 2019 4 25 58598 0.0667 0.4229 -0.14975 2019 4 26 58599 0.0680 0.4240 -0.15043 2019 4 27 58600 0.0694 0.4251 -0.15112 2019 4 28 58601 0.0708 0.4261 -0.15187 2019 4 29 58602 0.0723 0.4271 -0.15271 2019 4 30 58603 0.0737 0.4281 -0.15366 2019 5 1 58604 0.0752 0.4291 -0.15471 2019 5 2 58605 0.0766 0.4300 -0.15584 2019 5 3 58606 0.0781 0.4309 -0.15702 2019 5 4 58607 0.0797 0.4318 -0.15819 2019 5 5 58608 0.0812 0.4327 -0.15930 2019 5 6 58609 0.0827 0.4336 -0.16031 2019 5 7 58610 0.0843 0.4344 -0.16118 2019 5 8 58611 0.0859 0.4352 -0.16192 2019 5 9 58612 0.0875 0.4360 -0.16257 2019 5 10 58613 0.0891 0.4367 -0.16320 2019 5 11 58614 0.0907 0.4375 -0.16388 2019 5 12 58615 0.0923 0.4382 -0.16469 2019 5 13 58616 0.0940 0.4389 -0.16566 2019 5 14 58617 0.0956 0.4395 -0.16679 2019 5 15 58618 0.0973 0.4402 -0.16805 2019 5 16 58619 0.0990 0.4408 -0.16935 2019 5 17 58620 0.1007 0.4413 -0.17057 2019 5 18 58621 0.1024 0.4419 -0.17165 2019 5 19 58622 0.1041 0.4424 -0.17251 2019 5 20 58623 0.1058 0.4429 -0.17316 2019 5 21 58624 0.1075 0.4434 -0.17361 2019 5 22 58625 0.1092 0.4438 -0.17393 2019 5 23 58626 0.1110 0.4443 -0.17417 2019 5 24 58627 0.1127 0.4447 -0.17439 2019 5 25 58628 0.1145 0.4450 -0.17464 2019 5 26 58629 0.1163 0.4454 -0.17497 2019 5 27 58630 0.1180 0.4457 -0.17539 2019 5 28 58631 0.1198 0.4459 -0.17590 2019 5 29 58632 0.1216 0.4462 -0.17650 2019 5 30 58633 0.1233 0.4464 -0.17715 2019 5 31 58634 0.1251 0.4466 -0.17781 2019 6 1 58635 0.1269 0.4468 -0.17843 2019 6 2 58636 0.1287 0.4470 -0.17897 2019 6 3 58637 0.1305 0.4471 -0.17937 2019 6 4 58638 0.1323 0.4472 -0.17964 2019 6 5 58639 0.1341 0.4472 -0.17979 2019 6 6 58640 0.1359 0.4472 -0.17989 2019 6 7 58641 0.1377 0.4473 -0.18003 2019 6 8 58642 0.1395 0.4472 -0.18027 2019 6 9 58643 0.1412 0.4472 -0.18066 2019 6 10 58644 0.1430 0.4471 -0.18121 2019 6 11 58645 0.1448 0.4470 -0.18187 2019 6 12 58646 0.1466 0.4469 -0.18257 2019 6 13 58647 0.1484 0.4467 -0.18323 2019 6 14 58648 0.1502 0.4465 -0.18376 2019 6 15 58649 0.1519 0.4463 -0.18411 2019 6 16 58650 0.1537 0.4460 -0.18425 2019 6 17 58651 0.1555 0.4458 -0.18420 2019 6 18 58652 0.1572 0.4455 -0.18401 2019 6 19 58653 0.1589 0.4451 -0.18372 2019 6 20 58654 0.1607 0.4448 -0.18340 2019 6 21 58655 0.1624 0.4444 -0.18310 2019 6 22 58656 0.1641 0.4440 -0.18286 2019 6 23 58657 0.1659 0.4435 -0.18271 2019 6 24 58658 0.1676 0.4431 -0.18267 2019 6 25 58659 0.1692 0.4426 -0.18271 2019 6 26 58660 0.1709 0.4420 -0.18281 2019 6 27 58661 0.1726 0.4415 -0.18295 2019 6 28 58662 0.1743 0.4409 -0.18308 2019 6 29 58663 0.1759 0.4403 -0.18316 2019 6 30 58664 0.1776 0.4397 -0.18314 2019 7 1 58665 0.1792 0.4391 -0.18301 2019 7 2 58666 0.1808 0.4384 -0.18278 2019 7 3 58667 0.1824 0.4377 -0.18250 2019 7 4 58668 0.1840 0.4369 -0.18226 2019 7 5 58669 0.1855 0.4362 -0.18215 2019 7 6 58670 0.1871 0.4354 -0.18223 2019 7 7 58671 0.1886 0.4346 -0.18251 2019 7 8 58672 0.1901 0.4338 -0.18294 2019 7 9 58673 0.1916 0.4329 -0.18344 2019 7 10 58674 0.1931 0.4321 -0.18390 2019 7 11 58675 0.1946 0.4312 -0.18422 2019 7 12 58676 0.1960 0.4302 -0.18435 2019 7 13 58677 0.1975 0.4293 -0.18424 2019 7 14 58678 0.1989 0.4283 -0.18390 2019 7 15 58679 0.2003 0.4273 -0.18337 2019 7 16 58680 0.2017 0.4263 -0.18270 2019 7 17 58681 0.2030 0.4253 -0.18197 2019 7 18 58682 0.2043 0.4242 -0.18123 2019 7 19 58683 0.2057 0.4231 -0.18055 2019 7 20 58684 0.2069 0.4220 -0.17998 2019 7 21 58685 0.2082 0.4209 -0.17954 2019 7 22 58686 0.2095 0.4198 -0.17926 2019 7 23 58687 0.2107 0.4186 -0.17910 2019 7 24 58688 0.2119 0.4174 -0.17904 2019 7 25 58689 0.2131 0.4162 -0.17905 2019 7 26 58690 0.2142 0.4150 -0.17907 2019 7 27 58691 0.2153 0.4138 -0.17906 2019 7 28 58692 0.2164 0.4125 -0.17900 2019 7 29 58693 0.2175 0.4112 -0.17887 2019 7 30 58694 0.2186 0.4100 -0.17872 2019 7 31 58695 0.2196 0.4086 -0.17859 2019 8 1 58696 0.2206 0.4073 -0.17859 2019 8 2 58697 0.2216 0.4060 -0.17877 2019 8 3 58698 0.2225 0.4046 -0.17917 2019 8 4 58699 0.2235 0.4033 -0.17978 2019 8 5 58700 0.2244 0.4019 -0.18050 2019 8 6 58701 0.2252 0.4005 -0.18125 2019 8 7 58702 0.2261 0.3990 -0.18191 2019 8 8 58703 0.2269 0.3976 -0.18240 2019 8 9 58704 0.2277 0.3962 -0.18268 2019 8 10 58705 0.2285 0.3947 -0.18276 2019 8 11 58706 0.2292 0.3932 -0.18264 2019 8 12 58707 0.2299 0.3918 -0.18241 2019 8 13 58708 0.2306 0.3903 -0.18219 2019 8 14 58709 0.2312 0.3888 -0.18204 2019 8 15 58710 0.2318 0.3872 -0.18190 2019 8 16 58711 0.2324 0.3857 -0.18181 2019 8 17 58712 0.2330 0.3842 -0.18184 2019 8 18 58713 0.2335 0.3826 -0.18199 2019 8 19 58714 0.2340 0.3811 -0.18220 2019 8 20 58715 0.2345 0.3795 -0.18240 2019 8 21 58716 0.2349 0.3780 -0.18259 2019 8 22 58717 0.2353 0.3764 -0.18278 2019 8 23 58718 0.2357 0.3748 -0.18287 2019 8 24 58719 0.2360 0.3732 -0.18289 2019 8 25 58720 0.2363 0.3716 -0.18278 2019 8 26 58721 0.2366 0.3700 -0.18262 2019 8 27 58722 0.2369 0.3684 -0.18248 2019 8 28 58723 0.2371 0.3668 -0.18243 2019 8 29 58724 0.2373 0.3652 -0.18259 2019 8 30 58725 0.2374 0.3636 -0.18297 2019 8 31 58726 0.2376 0.3619 -0.18363 2019 9 1 58727 0.2377 0.3603 -0.18455 2019 9 2 58728 0.2377 0.3587 -0.18556 2019 9 3 58729 0.2378 0.3570 -0.18651 2019 9 4 58730 0.2378 0.3554 -0.18733 2019 9 5 58731 0.2377 0.3538 -0.18800 2019 9 6 58732 0.2377 0.3522 -0.18844 2019 9 7 58733 0.2376 0.3505 -0.18870 2019 9 8 58734 0.2375 0.3489 -0.18887 2019 9 9 58735 0.2373 0.3473 -0.18899 2019 9 10 58736 0.2371 0.3456 -0.18911 2019 9 11 58737 0.2369 0.3440 -0.18929 2019 9 12 58738 0.2367 0.3424 -0.18964 2019 9 13 58739 0.2364 0.3408 -0.19009 2019 9 14 58740 0.2361 0.3392 -0.19066 2019 9 15 58741 0.2357 0.3375 -0.19133 2019 9 16 58742 0.2354 0.3359 -0.19208 2019 9 17 58743 0.2350 0.3343 -0.19280 2019 9 18 58744 0.2345 0.3327 -0.19346 2019 9 19 58745 0.2341 0.3312 -0.19404 2019 9 20 58746 0.2336 0.3296 -0.19451 2019 9 21 58747 0.2331 0.3280 -0.19486 2019 9 22 58748 0.2325 0.3264 -0.19508 2019 9 23 58749 0.2319 0.3249 -0.19528 2019 9 24 58750 0.2313 0.3233 -0.19554 2019 9 25 58751 0.2307 0.3218 -0.19587 2019 9 26 58752 0.2300 0.3203 -0.19632 2019 9 27 58753 0.2293 0.3187 -0.19699 2019 9 28 58754 0.2286 0.3172 -0.19793 2019 9 29 58755 0.2278 0.3157 -0.19904 2019 9 30 58756 0.2270 0.3142 -0.20020 2019 10 1 58757 0.2262 0.3128 -0.20132 2019 10 2 58758 0.2253 0.3113 -0.20227 2019 10 3 58759 0.2245 0.3098 -0.20298 2019 10 4 58760 0.2236 0.3084 -0.20347 2019 10 5 58761 0.2227 0.3070 -0.20377 2019 10 6 58762 0.2217 0.3056 -0.20399 2019 10 7 58763 0.2207 0.3042 -0.20424 2019 10 8 58764 0.2197 0.3028 -0.20454 2019 10 9 58765 0.2187 0.3014 -0.20492 2019 10 10 58766 0.2176 0.3001 -0.20539 2019 10 11 58767 0.2165 0.2988 -0.20598 2019 10 12 58768 0.2154 0.2974 -0.20664 2019 10 13 58769 0.2143 0.2961 -0.20740 2019 10 14 58770 0.2131 0.2949 -0.20824 2019 10 15 58771 0.2119 0.2936 -0.20908 2019 10 16 58772 0.2107 0.2924 -0.20981 2019 10 17 58773 0.2095 0.2911 -0.21047 2019 10 18 58774 0.2082 0.2899 -0.21105 2019 10 19 58775 0.2070 0.2887 -0.21156 2019 10 20 58776 0.2057 0.2876 -0.21199 2019 10 21 58777 0.2043 0.2864 -0.21238 2019 10 22 58778 0.2030 0.2853 -0.21281 2019 10 23 58779 0.2016 0.2842 -0.21339 2019 10 24 58780 0.2003 0.2831 -0.21423 2019 10 25 58781 0.1988 0.2821 -0.21538 2019 10 26 58782 0.1974 0.2810 -0.21679 2019 10 27 58783 0.1960 0.2800 -0.21834 2019 10 28 58784 0.1945 0.2790 -0.21988 2019 10 29 58785 0.1930 0.2780 -0.22128 2019 10 30 58786 0.1915 0.2771 -0.22242 2019 10 31 58787 0.1900 0.2762 -0.22329 2019 11 1 58788 0.1885 0.2753 -0.22393 2019 11 2 58789 0.1869 0.2744 -0.22445 2019 11 3 58790 0.1854 0.2735 -0.22488 2019 11 4 58791 0.1838 0.2727 -0.22521 2019 11 5 58792 0.1822 0.2719 -0.22564 2019 11 6 58793 0.1805 0.2711 -0.22617 2019 11 7 58794 0.1789 0.2704 -0.22679 2019 11 8 58795 0.1773 0.2696 -0.22758 2019 11 9 58796 0.1756 0.2689 -0.22843 2019 11 10 58797 0.1739 0.2683 -0.22927 2019 11 11 58798 0.1723 0.2676 -0.23015 2019 11 12 58799 0.1706 0.2670 -0.23103 2019 11 13 58800 0.1689 0.2664 -0.23184 2019 11 14 58801 0.1671 0.2658 -0.23252 2019 11 15 58802 0.1654 0.2653 -0.23309 2019 11 16 58803 0.1637 0.2648 -0.23360 2019 11 17 58804 0.1619 0.2643 -0.23407 2019 11 18 58805 0.1602 0.2638 -0.23459 2019 11 19 58806 0.1584 0.2634 -0.23529 2019 11 20 58807 0.1566 0.2630 -0.23620 2019 11 21 58808 0.1548 0.2626 -0.23736 2019 11 22 58809 0.1531 0.2623 -0.23876 2019 11 23 58810 0.1513 0.2620 -0.24034 2019 11 24 58811 0.1495 0.2617 -0.24198 2019 11 25 58812 0.1477 0.2614 -0.24357 2019 11 26 58813 0.1459 0.2612 -0.24499 2019 11 27 58814 0.1440 0.2610 -0.24618 2019 11 28 58815 0.1422 0.2608 -0.24714 2019 11 29 58816 0.1404 0.2607 -0.24798 2019 11 30 58817 0.1386 0.2605 -0.24882 2019 12 1 58818 0.1368 0.2604 -0.24969 2019 12 2 58819 0.1349 0.2604 -0.25062 2019 12 3 58820 0.1331 0.2604 -0.25169 2019 12 4 58821 0.1313 0.2604 -0.25287 2019 12 5 58822 0.1295 0.2604 -0.25414 2019 12 6 58823 0.1276 0.2605 -0.25545 2019 12 7 58824 0.1258 0.2605 -0.25671 2019 12 8 58825 0.1240 0.2607 -0.25795 2019 12 9 58826 0.1222 0.2608 -0.25913 2019 12 10 58827 0.1204 0.2610 -0.26015 2019 12 11 58828 0.1186 0.2612 -0.26099 2019 12 12 58829 0.1167 0.2614 -0.26164 2019 12 13 58830 0.1149 0.2617 -0.26215 2019 12 14 58831 0.1131 0.2620 -0.26258 2019 12 15 58832 0.1114 0.2623 -0.26293 2019 12 16 58833 0.1096 0.2627 -0.26338 2019 12 17 58834 0.1078 0.2630 -0.26394 2019 12 18 58835 0.1060 0.2634 -0.26467 2019 12 19 58836 0.1043 0.2639 -0.26555 2019 12 20 58837 0.1025 0.2644 -0.26650 2019 12 21 58838 0.1008 0.2648 -0.26744 2019 12 22 58839 0.0990 0.2654 -0.26836 2019 12 23 58840 0.0973 0.2659 -0.26914 2019 12 24 58841 0.0956 0.2665 -0.26965 2019 12 25 58842 0.0939 0.2671 -0.26997 2019 12 26 58843 0.0922 0.2677 -0.27008 2019 12 27 58844 0.0905 0.2684 -0.27012 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) 58453 -107.51 1.03 -7.62 0.11 58454 -107.54 1.00 -7.67 0.19 58455 -107.77 1.00 -7.72 0.19 58456 -108.12 0.95 -7.77 0.26 58457 -108.37 0.75 -7.80 0.20 58458 -108.38 0.75 -7.80 0.20 58459 -108.21 0.75 -7.81 0.20 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58453 0.350 0.409 0.145 0.111 58454 0.349 0.397 0.156 0.191 58455 0.343 0.397 0.164 0.191 58456 0.331 0.380 0.169 0.262 58457 0.314 0.300 0.169 0.197 58458 0.294 0.300 0.165 0.197 58459 0.271 0.300 0.158 0.197 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).