********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 13 December 2018 Vol. XXXI No. 050 ______________________________________________________________________ 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 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 7 58459 0.13491 .00009 0.27142 .00009 -0.018250 0.000020 18 12 8 58460 0.13309 .00009 0.27104 .00009 -0.018738 0.000021 18 12 9 58461 0.13172 .00009 0.27088 .00009 -0.019127 0.000021 18 12 10 58462 0.13031 .00009 0.27098 .00009 -0.019531 0.000014 18 12 11 58463 0.12868 .00009 0.27105 .00009 -0.019992 0.000013 18 12 12 58464 0.12682 .00009 0.27089 .00009 -0.020489 0.000012 18 12 13 58465 0.12480 .00009 0.27052 .00009 -0.021033 0.000008 _______________________________________________________________________ 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 = 0.1225 - 0.0449 cos A - 0.0743 sin A + 0.0444 cos C - 0.0089 sin C y = 0.3503 - 0.0675 cos A + 0.0398 sin A - 0.0089 cos C - 0.0444 sin C UT1-UTC = -0.0379 - 0.00066 (MJD - 58473) - (UT2-UT1) where A = 2*pi*(MJD-58465)/365.25 and C = 2*pi*(MJD-58465)/435. TAI-UTC(MJD 58466) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58465)**0.80 S t = 0.00025 (MJD-58465)**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 14 58466 0.1229 0.2702 -0.02164 2018 12 15 58467 0.1211 0.2699 -0.02236 2018 12 16 58468 0.1195 0.2696 -0.02321 2018 12 17 58469 0.1180 0.2695 -0.02419 2018 12 18 58470 0.1165 0.2696 -0.02526 2018 12 19 58471 0.1149 0.2698 -0.02634 2018 12 20 58472 0.1132 0.2701 -0.02735 2018 12 21 58473 0.1115 0.2703 -0.02825 2018 12 22 58474 0.1098 0.2705 -0.02903 2018 12 23 58475 0.1081 0.2708 -0.02973 2018 12 24 58476 0.1064 0.2711 -0.03038 2018 12 25 58477 0.1047 0.2714 -0.03105 2018 12 26 58478 0.1031 0.2718 -0.03183 2018 12 27 58479 0.1015 0.2723 -0.03277 2018 12 28 58480 0.0999 0.2728 -0.03381 2018 12 29 58481 0.0983 0.2733 -0.03489 2018 12 30 58482 0.0967 0.2737 -0.03595 2018 12 31 58483 0.0952 0.2743 -0.03694 2019 1 1 58484 0.0936 0.2748 -0.03783 2019 1 2 58485 0.0920 0.2754 -0.03859 2019 1 3 58486 0.0905 0.2760 -0.03921 2019 1 4 58487 0.0889 0.2766 -0.03972 2019 1 5 58488 0.0874 0.2773 -0.04014 2019 1 6 58489 0.0859 0.2779 -0.04050 2019 1 7 58490 0.0844 0.2786 -0.04085 2019 1 8 58491 0.0830 0.2793 -0.04123 2019 1 9 58492 0.0816 0.2800 -0.04168 2019 1 10 58493 0.0801 0.2808 -0.04224 2019 1 11 58494 0.0787 0.2816 -0.04290 2019 1 12 58495 0.0773 0.2824 -0.04366 2019 1 13 58496 0.0760 0.2832 -0.04449 2019 1 14 58497 0.0746 0.2841 -0.04537 2019 1 15 58498 0.0733 0.2850 -0.04627 2019 1 16 58499 0.0720 0.2859 -0.04715 2019 1 17 58500 0.0707 0.2868 -0.04797 2019 1 18 58501 0.0694 0.2877 -0.04871 2019 1 19 58502 0.0682 0.2887 -0.04935 2019 1 20 58503 0.0669 0.2897 -0.04994 2019 1 21 58504 0.0657 0.2907 -0.05056 2019 1 22 58505 0.0645 0.2918 -0.05129 2019 1 23 58506 0.0633 0.2928 -0.05218 2019 1 24 58507 0.0622 0.2939 -0.05324 2019 1 25 58508 0.0610 0.2950 -0.05443 2019 1 26 58509 0.0599 0.2961 -0.05565 2019 1 27 58510 0.0588 0.2972 -0.05681 2019 1 28 58511 0.0578 0.2984 -0.05785 2019 1 29 58512 0.0567 0.2995 -0.05872 2019 1 30 58513 0.0557 0.3007 -0.05942 2019 1 31 58514 0.0547 0.3019 -0.05998 2019 2 1 58515 0.0537 0.3031 -0.06042 2019 2 2 58516 0.0528 0.3044 -0.06079 2019 2 3 58517 0.0519 0.3056 -0.06114 2019 2 4 58518 0.0510 0.3069 -0.06152 2019 2 5 58519 0.0501 0.3082 -0.06196 2019 2 6 58520 0.0493 0.3095 -0.06251 2019 2 7 58521 0.0484 0.3108 -0.06317 2019 2 8 58522 0.0476 0.3121 -0.06394 2019 2 9 58523 0.0469 0.3134 -0.06482 2019 2 10 58524 0.0461 0.3148 -0.06577 2019 2 11 58525 0.0454 0.3161 -0.06675 2019 2 12 58526 0.0447 0.3175 -0.06772 2019 2 13 58527 0.0440 0.3189 -0.06864 2019 2 14 58528 0.0434 0.3203 -0.06948 2019 2 15 58529 0.0428 0.3217 -0.07024 2019 2 16 58530 0.0422 0.3231 -0.07094 2019 2 17 58531 0.0417 0.3245 -0.07166 2019 2 18 58532 0.0411 0.3260 -0.07248 2019 2 19 58533 0.0406 0.3274 -0.07349 2019 2 20 58534 0.0402 0.3289 -0.07472 2019 2 21 58535 0.0397 0.3304 -0.07614 2019 2 22 58536 0.0393 0.3318 -0.07766 2019 2 23 58537 0.0389 0.3333 -0.07918 2019 2 24 58538 0.0386 0.3348 -0.08060 2019 2 25 58539 0.0382 0.3363 -0.08185 2019 2 26 58540 0.0379 0.3378 -0.08291 2019 2 27 58541 0.0377 0.3393 -0.08381 2019 2 28 58542 0.0374 0.3408 -0.08457 2019 3 1 58543 0.0372 0.3423 -0.08524 2019 3 2 58544 0.0370 0.3439 -0.08590 2019 3 3 58545 0.0369 0.3454 -0.08657 2019 3 4 58546 0.0367 0.3469 -0.08732 2019 3 5 58547 0.0366 0.3484 -0.08818 2019 3 6 58548 0.0366 0.3500 -0.08917 2019 3 7 58549 0.0365 0.3515 -0.09029 2019 3 8 58550 0.0365 0.3531 -0.09152 2019 3 9 58551 0.0365 0.3546 -0.09284 2019 3 10 58552 0.0366 0.3561 -0.09419 2019 3 11 58553 0.0367 0.3577 -0.09554 2019 3 12 58554 0.0368 0.3592 -0.09683 2019 3 13 58555 0.0369 0.3608 -0.09804 2019 3 14 58556 0.0371 0.3623 -0.09916 2019 3 15 58557 0.0373 0.3638 -0.10021 2019 3 16 58558 0.0375 0.3654 -0.10123 2019 3 17 58559 0.0378 0.3669 -0.10231 2019 3 18 58560 0.0381 0.3684 -0.10353 2019 3 19 58561 0.0384 0.3700 -0.10496 2019 3 20 58562 0.0387 0.3715 -0.10659 2019 3 21 58563 0.0391 0.3730 -0.10839 2019 3 22 58564 0.0395 0.3745 -0.11025 2019 3 23 58565 0.0399 0.3760 -0.11205 2019 3 24 58566 0.0404 0.3775 -0.11369 2019 3 25 58567 0.0409 0.3790 -0.11513 2019 3 26 58568 0.0414 0.3805 -0.11636 2019 3 27 58569 0.0419 0.3820 -0.11742 2019 3 28 58570 0.0425 0.3834 -0.11835 2019 3 29 58571 0.0431 0.3849 -0.11923 2019 3 30 58572 0.0437 0.3864 -0.12010 2019 3 31 58573 0.0444 0.3878 -0.12101 2019 4 1 58574 0.0451 0.3892 -0.12199 2019 4 2 58575 0.0458 0.3907 -0.12307 2019 4 3 58576 0.0465 0.3921 -0.12428 2019 4 4 58577 0.0473 0.3935 -0.12559 2019 4 5 58578 0.0481 0.3949 -0.12698 2019 4 6 58579 0.0489 0.3963 -0.12841 2019 4 7 58580 0.0497 0.3976 -0.12983 2019 4 8 58581 0.0506 0.3990 -0.13118 2019 4 9 58582 0.0515 0.4003 -0.13243 2019 4 10 58583 0.0524 0.4017 -0.13356 2019 4 11 58584 0.0533 0.4030 -0.13459 2019 4 12 58585 0.0543 0.4043 -0.13556 2019 4 13 58586 0.0553 0.4056 -0.13655 2019 4 14 58587 0.0563 0.4069 -0.13764 2019 4 15 58588 0.0573 0.4081 -0.13889 2019 4 16 58589 0.0584 0.4094 -0.14035 2019 4 17 58590 0.0595 0.4106 -0.14199 2019 4 18 58591 0.0606 0.4118 -0.14374 2019 4 19 58592 0.0617 0.4130 -0.14550 2019 4 20 58593 0.0629 0.4142 -0.14714 2019 4 21 58594 0.0640 0.4153 -0.14860 2019 4 22 58595 0.0652 0.4165 -0.14983 2019 4 23 58596 0.0665 0.4176 -0.15085 2019 4 24 58597 0.0677 0.4187 -0.15170 2019 4 25 58598 0.0690 0.4198 -0.15245 2019 4 26 58599 0.0702 0.4209 -0.15314 2019 4 27 58600 0.0715 0.4219 -0.15385 2019 4 28 58601 0.0728 0.4229 -0.15462 2019 4 29 58602 0.0742 0.4239 -0.15547 2019 4 30 58603 0.0755 0.4249 -0.15643 2019 5 1 58604 0.0769 0.4259 -0.15748 2019 5 2 58605 0.0783 0.4268 -0.15862 2019 5 3 58606 0.0797 0.4278 -0.15980 2019 5 4 58607 0.0811 0.4287 -0.16097 2019 5 5 58608 0.0826 0.4295 -0.16209 2019 5 6 58609 0.0840 0.4304 -0.16309 2019 5 7 58610 0.0855 0.4312 -0.16396 2019 5 8 58611 0.0870 0.4320 -0.16470 2019 5 9 58612 0.0885 0.4328 -0.16535 2019 5 10 58613 0.0900 0.4336 -0.16597 2019 5 11 58614 0.0915 0.4343 -0.16665 2019 5 12 58615 0.0931 0.4351 -0.16745 2019 5 13 58616 0.0946 0.4358 -0.16842 2019 5 14 58617 0.0962 0.4364 -0.16955 2019 5 15 58618 0.0978 0.4371 -0.17081 2019 5 16 58619 0.0994 0.4377 -0.17210 2019 5 17 58620 0.1010 0.4383 -0.17332 2019 5 18 58621 0.1026 0.4389 -0.17439 2019 5 19 58622 0.1042 0.4394 -0.17525 2019 5 20 58623 0.1058 0.4399 -0.17589 2019 5 21 58624 0.1075 0.4404 -0.17634 2019 5 22 58625 0.1091 0.4409 -0.17666 2019 5 23 58626 0.1108 0.4413 -0.17689 2019 5 24 58627 0.1124 0.4417 -0.17711 2019 5 25 58628 0.1141 0.4421 -0.17735 2019 5 26 58629 0.1158 0.4425 -0.17767 2019 5 27 58630 0.1175 0.4428 -0.17808 2019 5 28 58631 0.1192 0.4432 -0.17859 2019 5 29 58632 0.1209 0.4434 -0.17917 2019 5 30 58633 0.1226 0.4437 -0.17981 2019 5 31 58634 0.1243 0.4439 -0.18046 2019 6 1 58635 0.1260 0.4441 -0.18107 2019 6 2 58636 0.1277 0.4443 -0.18160 2019 6 3 58637 0.1294 0.4445 -0.18199 2019 6 4 58638 0.1311 0.4446 -0.18225 2019 6 5 58639 0.1328 0.4447 -0.18239 2019 6 6 58640 0.1345 0.4448 -0.18249 2019 6 7 58641 0.1362 0.4448 -0.18261 2019 6 8 58642 0.1380 0.4448 -0.18284 2019 6 9 58643 0.1397 0.4448 -0.18323 2019 6 10 58644 0.1414 0.4448 -0.18377 2019 6 11 58645 0.1431 0.4447 -0.18443 2019 6 12 58646 0.1448 0.4446 -0.18514 2019 6 13 58647 0.1465 0.4445 -0.18581 2019 6 14 58648 0.1482 0.4444 -0.18637 2019 6 15 58649 0.1499 0.4442 -0.18676 2019 6 16 58650 0.1516 0.4440 -0.18695 2019 6 17 58651 0.1533 0.4438 -0.18698 2019 6 18 58652 0.1550 0.4435 -0.18689 2019 6 19 58653 0.1567 0.4432 -0.18672 2019 6 20 58654 0.1583 0.4429 -0.18655 2019 6 21 58655 0.1600 0.4426 -0.18641 2019 6 22 58656 0.1617 0.4423 -0.18634 2019 6 23 58657 0.1633 0.4419 -0.18635 2019 6 24 58658 0.1650 0.4415 -0.18643 2019 6 25 58659 0.1666 0.4410 -0.18657 2019 6 26 58660 0.1682 0.4406 -0.18672 2019 6 27 58661 0.1698 0.4401 -0.18687 2019 6 28 58662 0.1714 0.4396 -0.18696 2019 6 29 58663 0.1730 0.4390 -0.18697 2019 6 30 58664 0.1746 0.4384 -0.18687 2019 7 1 58665 0.1762 0.4379 -0.18666 2019 7 2 58666 0.1777 0.4372 -0.18637 2019 7 3 58667 0.1793 0.4366 -0.18607 2019 7 4 58668 0.1808 0.4359 -0.18583 2019 7 5 58669 0.1823 0.4352 -0.18576 2019 7 6 58670 0.1838 0.4345 -0.18591 2019 7 7 58671 0.1853 0.4338 -0.18626 2019 7 8 58672 0.1868 0.4330 -0.18679 2019 7 9 58673 0.1883 0.4322 -0.18739 2019 7 10 58674 0.1897 0.4314 -0.18797 2019 7 11 58675 0.1911 0.4306 -0.18844 2019 7 12 58676 0.1926 0.4298 -0.18874 2019 7 13 58677 0.1939 0.4289 -0.18884 2019 7 14 58678 0.1953 0.4280 -0.18875 2019 7 15 58679 0.1967 0.4271 -0.18850 2019 7 16 58680 0.1980 0.4261 -0.18815 2019 7 17 58681 0.1993 0.4251 -0.18777 2019 7 18 58682 0.2006 0.4242 -0.18740 2019 7 19 58683 0.2019 0.4232 -0.18706 2019 7 20 58684 0.2032 0.4221 -0.18680 2019 7 21 58685 0.2044 0.4211 -0.18664 2019 7 22 58686 0.2056 0.4200 -0.18654 2019 7 23 58687 0.2068 0.4189 -0.18646 2019 7 24 58688 0.2080 0.4178 -0.18640 2019 7 25 58689 0.2092 0.4167 -0.18634 2019 7 26 58690 0.2103 0.4155 -0.18621 2019 7 27 58691 0.2114 0.4144 -0.18603 2019 7 28 58692 0.2125 0.4132 -0.18570 2019 7 29 58693 0.2136 0.4120 -0.18528 2019 7 30 58694 0.2146 0.4108 -0.18483 2019 7 31 58695 0.2156 0.4096 -0.18440 2019 8 1 58696 0.2166 0.4083 -0.18411 2019 8 2 58697 0.2176 0.4070 -0.18398 2019 8 3 58698 0.2185 0.4058 -0.18410 2019 8 4 58699 0.2194 0.4045 -0.18448 2019 8 5 58700 0.2203 0.4031 -0.18499 2019 8 6 58701 0.2212 0.4018 -0.18549 2019 8 7 58702 0.2220 0.4005 -0.18593 2019 8 8 58703 0.2229 0.3991 -0.18624 2019 8 9 58704 0.2236 0.3978 -0.18635 2019 8 10 58705 0.2244 0.3964 -0.18626 2019 8 11 58706 0.2251 0.3950 -0.18604 2019 8 12 58707 0.2258 0.3936 -0.18573 2019 8 13 58708 0.2265 0.3922 -0.18537 2019 8 14 58709 0.2272 0.3907 -0.18503 2019 8 15 58710 0.2278 0.3893 -0.18482 2019 8 16 58711 0.2284 0.3879 -0.18471 2019 8 17 58712 0.2290 0.3864 -0.18470 2019 8 18 58713 0.2295 0.3849 -0.18480 2019 8 19 58714 0.2300 0.3834 -0.18501 2019 8 20 58715 0.2305 0.3820 -0.18521 2019 8 21 58716 0.2310 0.3805 -0.18540 2019 8 22 58717 0.2314 0.3790 -0.18555 2019 8 23 58718 0.2318 0.3775 -0.18560 2019 8 24 58719 0.2321 0.3759 -0.18556 2019 8 25 58720 0.2325 0.3744 -0.18538 2019 8 26 58721 0.2328 0.3729 -0.18515 2019 8 27 58722 0.2331 0.3714 -0.18493 2019 8 28 58723 0.2333 0.3698 -0.18473 2019 8 29 58724 0.2335 0.3683 -0.18459 2019 8 30 58725 0.2337 0.3667 -0.18466 2019 8 31 58726 0.2339 0.3652 -0.18501 2019 9 1 58727 0.2340 0.3636 -0.18556 2019 9 2 58728 0.2341 0.3621 -0.18621 2019 9 3 58729 0.2342 0.3605 -0.18688 2019 9 4 58730 0.2342 0.3590 -0.18743 2019 9 5 58731 0.2342 0.3574 -0.18776 2019 9 6 58732 0.2342 0.3558 -0.18786 2019 9 7 58733 0.2341 0.3543 -0.18777 2019 9 8 58734 0.2341 0.3527 -0.18758 2019 9 9 58735 0.2340 0.3512 -0.18737 2019 9 10 58736 0.2338 0.3496 -0.18719 2019 9 11 58737 0.2336 0.3481 -0.18707 2019 9 12 58738 0.2334 0.3465 -0.18703 2019 9 13 58739 0.2332 0.3450 -0.18711 2019 9 14 58740 0.2329 0.3434 -0.18727 2019 9 15 58741 0.2327 0.3419 -0.18757 2019 9 16 58742 0.2323 0.3403 -0.18799 2019 9 17 58743 0.2320 0.3388 -0.18844 2019 9 18 58744 0.2316 0.3373 -0.18884 2019 9 19 58745 0.2312 0.3357 -0.18921 2019 9 20 58746 0.2308 0.3342 -0.18953 2019 9 21 58747 0.2303 0.3327 -0.18979 2019 9 22 58748 0.2298 0.3312 -0.18997 2019 9 23 58749 0.2293 0.3297 -0.19007 2019 9 24 58750 0.2287 0.3282 -0.19018 2019 9 25 58751 0.2281 0.3267 -0.19041 2019 9 26 58752 0.2275 0.3253 -0.19087 2019 9 27 58753 0.2269 0.3238 -0.19167 2019 9 28 58754 0.2262 0.3223 -0.19278 2019 9 29 58755 0.2255 0.3209 -0.19409 2019 9 30 58756 0.2248 0.3195 -0.19547 2019 10 1 58757 0.2241 0.3181 -0.19674 2019 10 2 58758 0.2233 0.3166 -0.19779 2019 10 3 58759 0.2225 0.3152 -0.19857 2019 10 4 58760 0.2216 0.3139 -0.19911 2019 10 5 58761 0.2208 0.3125 -0.19950 2019 10 6 58762 0.2199 0.3111 -0.19977 2019 10 7 58763 0.2190 0.3098 -0.19993 2019 10 8 58764 0.2181 0.3085 -0.20016 2019 10 9 58765 0.2171 0.3071 -0.20050 2019 10 10 58766 0.2161 0.3058 -0.20093 2019 10 11 58767 0.2151 0.3046 -0.20154 2019 10 12 58768 0.2141 0.3033 -0.20225 2019 10 13 58769 0.2130 0.3020 -0.20298 2019 10 14 58770 0.2119 0.3008 -0.20379 2019 10 15 58771 0.2108 0.2996 -0.20465 2019 10 16 58772 0.2097 0.2984 -0.20547 2019 10 17 58773 0.2086 0.2972 -0.20619 2019 10 18 58774 0.2074 0.2960 -0.20683 2019 10 19 58775 0.2062 0.2949 -0.20739 2019 10 20 58776 0.2050 0.2938 -0.20790 2019 10 21 58777 0.2037 0.2926 -0.20842 2019 10 22 58778 0.2025 0.2916 -0.20907 2019 10 23 58779 0.2012 0.2905 -0.20992 2019 10 24 58780 0.1999 0.2894 -0.21103 2019 10 25 58781 0.1986 0.2884 -0.21244 2019 10 26 58782 0.1972 0.2874 -0.21410 2019 10 27 58783 0.1959 0.2864 -0.21591 2019 10 28 58784 0.1945 0.2854 -0.21773 2019 10 29 58785 0.1931 0.2845 -0.21942 2019 10 30 58786 0.1917 0.2836 -0.22088 2019 10 31 58787 0.1902 0.2827 -0.22208 2019 11 1 58788 0.1888 0.2818 -0.22312 2019 11 2 58789 0.1873 0.2810 -0.22414 2019 11 3 58790 0.1859 0.2801 -0.22514 2019 11 4 58791 0.1844 0.2793 -0.22618 2019 11 5 58792 0.1828 0.2785 -0.22733 2019 11 6 58793 0.1813 0.2778 -0.22860 2019 11 7 58794 0.1798 0.2770 -0.22996 2019 11 8 58795 0.1782 0.2763 -0.23139 2019 11 9 58796 0.1767 0.2756 -0.23279 2019 11 10 58797 0.1751 0.2750 -0.23421 2019 11 11 58798 0.1735 0.2744 -0.23561 2019 11 12 58799 0.1719 0.2737 -0.23686 2019 11 13 58800 0.1703 0.2732 -0.23796 2019 11 14 58801 0.1686 0.2726 -0.23887 2019 11 15 58802 0.1670 0.2721 -0.23963 2019 11 16 58803 0.1653 0.2716 -0.24027 2019 11 17 58804 0.1637 0.2711 -0.24079 2019 11 18 58805 0.1620 0.2706 -0.24134 2019 11 19 58806 0.1603 0.2702 -0.24195 2019 11 20 58807 0.1587 0.2698 -0.24274 2019 11 21 58808 0.1570 0.2694 -0.24370 2019 11 22 58809 0.1553 0.2691 -0.24479 2019 11 23 58810 0.1536 0.2688 -0.24598 2019 11 24 58811 0.1519 0.2685 -0.24723 2019 11 25 58812 0.1502 0.2682 -0.24840 2019 11 26 58813 0.1484 0.2680 -0.24929 2019 11 27 58814 0.1467 0.2678 -0.24998 2019 11 28 58815 0.1450 0.2676 -0.25041 2019 11 29 58816 0.1433 0.2675 -0.25071 2019 11 30 58817 0.1415 0.2673 -0.25096 2019 12 1 58818 0.1398 0.2673 -0.25112 2019 12 2 58819 0.1381 0.2672 -0.25133 2019 12 3 58820 0.1363 0.2671 -0.25165 2019 12 4 58821 0.1346 0.2671 -0.25216 2019 12 5 58822 0.1328 0.2672 -0.25281 2019 12 6 58823 0.1311 0.2672 -0.25364 2019 12 7 58824 0.1294 0.2673 -0.25458 2019 12 8 58825 0.1276 0.2674 -0.25557 2019 12 9 58826 0.1259 0.2675 -0.25650 2019 12 10 58827 0.1242 0.2677 -0.25739 2019 12 11 58828 0.1224 0.2679 -0.25820 2019 12 12 58829 0.1207 0.2681 -0.25889 2019 12 13 58830 0.1190 0.2683 -0.25942 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) 58443 -108.87 0.77 -7.79 0.09 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58443 0.290 0.305 0.074 0.086 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).