********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 9 August 2018 Vol. XXXI No. 032 ______________________________________________________________________ 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 = +0.1 seconds beginning 15 Mar 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. * * * * We are currently not able to receive email at * * ser7@maia.usno.navy.mil. Questions and enquiries can now be * * directed to the following email account: navobsy_eop.fct@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 18 8 3 58333 0.19951 .00009 0.40309 .00009 0.069260 0.000013 18 8 4 58334 0.19997 .00009 0.40202 .00009 0.068917 0.000015 18 8 5 58335 0.20029 .00009 0.40094 .00009 0.068641 0.000015 18 8 6 58336 0.20051 .00009 0.39976 .00009 0.068450 0.000009 18 8 7 58337 0.20071 .00009 0.39854 .00009 0.068340 0.000008 18 8 8 58338 0.20083 .00009 0.39732 .00009 0.068271 0.000008 18 8 9 58339 0.20085 .00009 0.39610 .00009 0.068217 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 = 0.1113 + 0.1109 cos A + 0.0313 sin A - 0.0158 cos C + 0.0077 sin C y = 0.3552 + 0.0339 cos A - 0.1057 sin A + 0.0077 cos C + 0.0158 sin C UT1-UTC = 0.0423 - 0.00069 (MJD - 58347) - (UT2-UT1) where A = 2*pi*(MJD-58339)/365.25 and C = 2*pi*(MJD-58339)/435. TAI-UTC(MJD 58340) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-58339)**0.80 S t = 0.00025 (MJD-58339)**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 8 10 58340 0.2010 0.3948 0.06813 2018 8 11 58341 0.2012 0.3935 0.06792 2018 8 12 58342 0.2014 0.3922 0.06755 2018 8 13 58343 0.2017 0.3910 0.06704 2018 8 14 58344 0.2021 0.3898 0.06645 2018 8 15 58345 0.2024 0.3885 0.06585 2018 8 16 58346 0.2027 0.3873 0.06531 2018 8 17 58347 0.2029 0.3861 0.06488 2018 8 18 58348 0.2032 0.3849 0.06460 2018 8 19 58349 0.2034 0.3836 0.06448 2018 8 20 58350 0.2036 0.3823 0.06446 2018 8 21 58351 0.2038 0.3811 0.06451 2018 8 22 58352 0.2039 0.3798 0.06461 2018 8 23 58353 0.2041 0.3785 0.06471 2018 8 24 58354 0.2042 0.3773 0.06478 2018 8 25 58355 0.2043 0.3760 0.06475 2018 8 26 58356 0.2044 0.3747 0.06459 2018 8 27 58357 0.2044 0.3734 0.06428 2018 8 28 58358 0.2044 0.3722 0.06379 2018 8 29 58359 0.2044 0.3709 0.06316 2018 8 30 58360 0.2044 0.3696 0.06243 2018 8 31 58361 0.2043 0.3683 0.06167 2018 9 1 58362 0.2043 0.3671 0.06090 2018 9 2 58363 0.2042 0.3658 0.06019 2018 9 3 58364 0.2041 0.3645 0.05955 2018 9 4 58365 0.2039 0.3632 0.05901 2018 9 5 58366 0.2038 0.3619 0.05851 2018 9 6 58367 0.2036 0.3607 0.05800 2018 9 7 58368 0.2034 0.3594 0.05741 2018 9 8 58369 0.2032 0.3581 0.05670 2018 9 9 58370 0.2030 0.3569 0.05582 2018 9 10 58371 0.2027 0.3556 0.05481 2018 9 11 58372 0.2024 0.3543 0.05372 2018 9 12 58373 0.2021 0.3531 0.05265 2018 9 13 58374 0.2018 0.3518 0.05169 2018 9 14 58375 0.2014 0.3506 0.05089 2018 9 15 58376 0.2010 0.3493 0.05027 2018 9 16 58377 0.2006 0.3481 0.04979 2018 9 17 58378 0.2001 0.3469 0.04943 2018 9 18 58379 0.1997 0.3456 0.04915 2018 9 19 58380 0.1992 0.3444 0.04887 2018 9 20 58381 0.1987 0.3432 0.04856 2018 9 21 58382 0.1981 0.3420 0.04816 2018 9 22 58383 0.1976 0.3408 0.04764 2018 9 23 58384 0.1970 0.3396 0.04697 2018 9 24 58385 0.1964 0.3384 0.04615 2018 9 25 58386 0.1958 0.3373 0.04519 2018 9 26 58387 0.1951 0.3361 0.04412 2018 9 27 58388 0.1944 0.3350 0.04299 2018 9 28 58389 0.1937 0.3338 0.04187 2018 9 29 58390 0.1930 0.3327 0.04081 2018 9 30 58391 0.1923 0.3316 0.03984 2018 10 1 58392 0.1915 0.3304 0.03897 2018 10 2 58393 0.1907 0.3293 0.03817 2018 10 3 58394 0.1899 0.3283 0.03739 2018 10 4 58395 0.1891 0.3272 0.03656 2018 10 5 58396 0.1882 0.3261 0.03560 2018 10 6 58397 0.1873 0.3251 0.03447 2018 10 7 58398 0.1864 0.3240 0.03316 2018 10 8 58399 0.1855 0.3230 0.03171 2018 10 9 58400 0.1846 0.3220 0.03021 2018 10 10 58401 0.1836 0.3210 0.02874 2018 10 11 58402 0.1826 0.3200 0.02740 2018 10 12 58403 0.1816 0.3190 0.02623 2018 10 13 58404 0.1806 0.3181 0.02522 2018 10 14 58405 0.1795 0.3171 0.02437 2018 10 15 58406 0.1785 0.3162 0.02363 2018 10 16 58407 0.1774 0.3153 0.02295 2018 10 17 58408 0.1763 0.3144 0.02229 2018 10 18 58409 0.1752 0.3135 0.02158 2018 10 19 58410 0.1740 0.3127 0.02080 2018 10 20 58411 0.1729 0.3118 0.01991 2018 10 21 58412 0.1717 0.3110 0.01889 2018 10 22 58413 0.1705 0.3102 0.01775 2018 10 23 58414 0.1693 0.3094 0.01651 2018 10 24 58415 0.1681 0.3086 0.01521 2018 10 25 58416 0.1669 0.3079 0.01390 2018 10 26 58417 0.1656 0.3072 0.01266 2018 10 27 58418 0.1644 0.3064 0.01154 2018 10 28 58419 0.1631 0.3057 0.01054 2018 10 29 58420 0.1618 0.3051 0.00965 2018 10 30 58421 0.1605 0.3044 0.00882 2018 10 31 58422 0.1592 0.3038 0.00798 2018 11 1 58423 0.1578 0.3031 0.00705 2018 11 2 58424 0.1565 0.3025 0.00599 2018 11 3 58425 0.1551 0.3020 0.00478 2018 11 4 58426 0.1537 0.3014 0.00343 2018 11 5 58427 0.1524 0.3009 0.00201 2018 11 6 58428 0.1510 0.3003 0.00060 2018 11 7 58429 0.1496 0.2998 -0.00071 2018 11 8 58430 0.1481 0.2994 -0.00187 2018 11 9 58431 0.1467 0.2989 -0.00285 2018 11 10 58432 0.1453 0.2985 -0.00366 2018 11 11 58433 0.1438 0.2981 -0.00432 2018 11 12 58434 0.1424 0.2977 -0.00489 2018 11 13 58435 0.1409 0.2973 -0.00541 2018 11 14 58436 0.1395 0.2970 -0.00595 2018 11 15 58437 0.1380 0.2966 -0.00655 2018 11 16 58438 0.1365 0.2963 -0.00725 2018 11 17 58439 0.1350 0.2960 -0.00807 2018 11 18 58440 0.1335 0.2958 -0.00902 2018 11 19 58441 0.1320 0.2955 -0.01009 2018 11 20 58442 0.1305 0.2953 -0.01125 2018 11 21 58443 0.1290 0.2951 -0.01244 2018 11 22 58444 0.1275 0.2950 -0.01362 2018 11 23 58445 0.1260 0.2948 -0.01473 2018 11 24 58446 0.1245 0.2947 -0.01571 2018 11 25 58447 0.1230 0.2946 -0.01656 2018 11 26 58448 0.1214 0.2945 -0.01738 2018 11 27 58449 0.1199 0.2945 -0.01817 2018 11 28 58450 0.1184 0.2945 -0.01903 2018 11 29 58451 0.1169 0.2944 -0.02001 2018 11 30 58452 0.1153 0.2945 -0.02111 2018 12 1 58453 0.1138 0.2945 -0.02234 2018 12 2 58454 0.1123 0.2946 -0.02363 2018 12 3 58455 0.1108 0.2946 -0.02492 2018 12 4 58456 0.1092 0.2948 -0.02613 2018 12 5 58457 0.1077 0.2949 -0.02720 2018 12 6 58458 0.1062 0.2950 -0.02812 2018 12 7 58459 0.1047 0.2952 -0.02886 2018 12 8 58460 0.1032 0.2954 -0.02945 2018 12 9 58461 0.1017 0.2956 -0.02993 2018 12 10 58462 0.1002 0.2959 -0.03035 2018 12 11 58463 0.0987 0.2962 -0.03075 2018 12 12 58464 0.0972 0.2965 -0.03120 2018 12 13 58465 0.0957 0.2968 -0.03172 2018 12 14 58466 0.0942 0.2971 -0.03235 2018 12 15 58467 0.0928 0.2975 -0.03309 2018 12 16 58468 0.0913 0.2979 -0.03393 2018 12 17 58469 0.0898 0.2983 -0.03487 2018 12 18 58470 0.0884 0.2987 -0.03585 2018 12 19 58471 0.0870 0.2991 -0.03684 2018 12 20 58472 0.0855 0.2996 -0.03778 2018 12 21 58473 0.0841 0.3001 -0.03861 2018 12 22 58474 0.0827 0.3006 -0.03933 2018 12 23 58475 0.0813 0.3012 -0.03994 2018 12 24 58476 0.0799 0.3017 -0.04052 2018 12 25 58477 0.0785 0.3023 -0.04114 2018 12 26 58478 0.0772 0.3029 -0.04188 2018 12 27 58479 0.0758 0.3035 -0.04276 2018 12 28 58480 0.0745 0.3042 -0.04377 2018 12 29 58481 0.0731 0.3048 -0.04486 2018 12 30 58482 0.0718 0.3055 -0.04595 2018 12 31 58483 0.0705 0.3062 -0.04696 2019 1 1 58484 0.0692 0.3070 -0.04785 2019 1 2 58485 0.0680 0.3077 -0.04858 2019 1 3 58486 0.0667 0.3085 -0.04914 2019 1 4 58487 0.0655 0.3093 -0.04956 2019 1 5 58488 0.0642 0.3101 -0.04988 2019 1 6 58489 0.0630 0.3109 -0.05013 2019 1 7 58490 0.0618 0.3117 -0.05036 2019 1 8 58491 0.0607 0.3126 -0.05063 2019 1 9 58492 0.0595 0.3135 -0.05098 2019 1 10 58493 0.0584 0.3144 -0.05143 2019 1 11 58494 0.0572 0.3153 -0.05200 2019 1 12 58495 0.0561 0.3162 -0.05269 2019 1 13 58496 0.0550 0.3172 -0.05348 2019 1 14 58497 0.0540 0.3181 -0.05433 2019 1 15 58498 0.0529 0.3191 -0.05521 2019 1 16 58499 0.0519 0.3201 -0.05608 2019 1 17 58500 0.0509 0.3211 -0.05689 2019 1 18 58501 0.0499 0.3221 -0.05761 2019 1 19 58502 0.0490 0.3232 -0.05825 2019 1 20 58503 0.0480 0.3243 -0.05884 2019 1 21 58504 0.0471 0.3253 -0.05946 2019 1 22 58505 0.0462 0.3264 -0.06021 2019 1 23 58506 0.0453 0.3275 -0.06113 2019 1 24 58507 0.0445 0.3287 -0.06223 2019 1 25 58508 0.0436 0.3298 -0.06345 2019 1 26 58509 0.0428 0.3309 -0.06470 2019 1 27 58510 0.0420 0.3321 -0.06589 2019 1 28 58511 0.0413 0.3333 -0.06695 2019 1 29 58512 0.0405 0.3344 -0.06785 2019 1 30 58513 0.0398 0.3356 -0.06856 2019 1 31 58514 0.0391 0.3369 -0.06913 2019 2 1 58515 0.0384 0.3381 -0.06957 2019 2 2 58516 0.0378 0.3393 -0.06994 2019 2 3 58517 0.0372 0.3405 -0.07028 2019 2 4 58518 0.0366 0.3418 -0.07065 2019 2 5 58519 0.0360 0.3430 -0.07107 2019 2 6 58520 0.0355 0.3443 -0.07159 2019 2 7 58521 0.0350 0.3456 -0.07221 2019 2 8 58522 0.0345 0.3469 -0.07293 2019 2 9 58523 0.0340 0.3482 -0.07373 2019 2 10 58524 0.0336 0.3495 -0.07457 2019 2 11 58525 0.0332 0.3508 -0.07540 2019 2 12 58526 0.0328 0.3521 -0.07620 2019 2 13 58527 0.0324 0.3534 -0.07691 2019 2 14 58528 0.0321 0.3548 -0.07751 2019 2 15 58529 0.0318 0.3561 -0.07802 2019 2 16 58530 0.0315 0.3574 -0.07847 2019 2 17 58531 0.0312 0.3588 -0.07894 2019 2 18 58532 0.0310 0.3601 -0.07955 2019 2 19 58533 0.0308 0.3615 -0.08037 2019 2 20 58534 0.0307 0.3628 -0.08147 2019 2 21 58535 0.0305 0.3642 -0.08281 2019 2 22 58536 0.0304 0.3656 -0.08430 2019 2 23 58537 0.0303 0.3669 -0.08584 2019 2 24 58538 0.0303 0.3683 -0.08733 2019 2 25 58539 0.0302 0.3697 -0.08870 2019 2 26 58540 0.0302 0.3710 -0.08994 2019 2 27 58541 0.0302 0.3724 -0.09106 2019 2 28 58542 0.0303 0.3738 -0.09209 2019 3 1 58543 0.0304 0.3752 -0.09307 2019 3 2 58544 0.0305 0.3765 -0.09405 2019 3 3 58545 0.0306 0.3779 -0.09505 2019 3 4 58546 0.0308 0.3793 -0.09609 2019 3 5 58547 0.0310 0.3806 -0.09720 2019 3 6 58548 0.0312 0.3820 -0.09837 2019 3 7 58549 0.0314 0.3834 -0.09960 2019 3 8 58550 0.0317 0.3847 -0.10087 2019 3 9 58551 0.0320 0.3861 -0.10216 2019 3 10 58552 0.0323 0.3874 -0.10341 2019 3 11 58553 0.0327 0.3888 -0.10461 2019 3 12 58554 0.0331 0.3901 -0.10570 2019 3 13 58555 0.0335 0.3915 -0.10666 2019 3 14 58556 0.0339 0.3928 -0.10751 2019 3 15 58557 0.0344 0.3941 -0.10825 2019 3 16 58558 0.0348 0.3955 -0.10895 2019 3 17 58559 0.0354 0.3968 -0.10972 2019 3 18 58560 0.0359 0.3981 -0.11064 2019 3 19 58561 0.0365 0.3994 -0.11173 2019 3 20 58562 0.0371 0.4007 -0.11304 2019 3 21 58563 0.0377 0.4020 -0.11450 2019 3 22 58564 0.0383 0.4033 -0.11604 2019 3 23 58565 0.0390 0.4045 -0.11756 2019 3 24 58566 0.0397 0.4058 -0.11884 2019 3 25 58567 0.0404 0.4070 -0.11993 2019 3 26 58568 0.0412 0.4083 -0.12083 2019 3 27 58569 0.0419 0.4095 -0.12165 2019 3 28 58570 0.0427 0.4107 -0.12239 2019 3 29 58571 0.0436 0.4119 -0.12316 2019 3 30 58572 0.0444 0.4131 -0.12397 2019 3 31 58573 0.0453 0.4143 -0.12486 2019 4 1 58574 0.0462 0.4154 -0.12580 2019 4 2 58575 0.0471 0.4166 -0.12689 2019 4 3 58576 0.0480 0.4177 -0.12813 2019 4 4 58577 0.0490 0.4189 -0.12949 2019 4 5 58578 0.0500 0.4200 -0.13089 2019 4 6 58579 0.0510 0.4211 -0.13235 2019 4 7 58580 0.0520 0.4222 -0.13379 2019 4 8 58581 0.0531 0.4232 -0.13515 2019 4 9 58582 0.0541 0.4243 -0.13640 2019 4 10 58583 0.0552 0.4253 -0.13757 2019 4 11 58584 0.0564 0.4264 -0.13866 2019 4 12 58585 0.0575 0.4274 -0.13966 2019 4 13 58586 0.0586 0.4284 -0.14071 2019 4 14 58587 0.0598 0.4293 -0.14192 2019 4 15 58588 0.0610 0.4303 -0.14327 2019 4 16 58589 0.0622 0.4312 -0.14481 2019 4 17 58590 0.0635 0.4321 -0.14657 2019 4 18 58591 0.0647 0.4330 -0.14843 2019 4 19 58592 0.0660 0.4339 -0.15030 2019 4 20 58593 0.0673 0.4348 -0.15214 2019 4 21 58594 0.0686 0.4356 -0.15383 2019 4 22 58595 0.0699 0.4365 -0.15534 2019 4 23 58596 0.0712 0.4373 -0.15666 2019 4 24 58597 0.0726 0.4381 -0.15785 2019 4 25 58598 0.0740 0.4388 -0.15893 2019 4 26 58599 0.0754 0.4396 -0.15994 2019 4 27 58600 0.0768 0.4403 -0.16096 2019 4 28 58601 0.0782 0.4410 -0.16205 2019 4 29 58602 0.0796 0.4417 -0.16319 2019 4 30 58603 0.0810 0.4424 -0.16438 2019 5 1 58604 0.0825 0.4430 -0.16563 2019 5 2 58605 0.0840 0.4436 -0.16693 2019 5 3 58606 0.0855 0.4442 -0.16830 2019 5 4 58607 0.0869 0.4448 -0.16961 2019 5 5 58608 0.0885 0.4453 -0.17084 2019 5 6 58609 0.0900 0.4459 -0.17196 2019 5 7 58610 0.0915 0.4464 -0.17288 2019 5 8 58611 0.0930 0.4469 -0.17360 2019 5 9 58612 0.0946 0.4473 -0.17420 2019 5 10 58613 0.0961 0.4478 -0.17484 2019 5 11 58614 0.0977 0.4482 -0.17555 2019 5 12 58615 0.0993 0.4486 -0.17638 2019 5 13 58616 0.1009 0.4489 -0.17735 2019 5 14 58617 0.1024 0.4493 -0.17848 2019 5 15 58618 0.1040 0.4496 -0.17981 2019 5 16 58619 0.1056 0.4499 -0.18122 2019 5 17 58620 0.1072 0.4502 -0.18257 2019 5 18 58621 0.1089 0.4504 -0.18376 2019 5 19 58622 0.1105 0.4506 -0.18479 2019 5 20 58623 0.1121 0.4508 -0.18563 2019 5 21 58624 0.1137 0.4510 -0.18629 2019 5 22 58625 0.1154 0.4512 -0.18677 2019 5 23 58626 0.1170 0.4513 -0.18713 2019 5 24 58627 0.1186 0.4514 -0.18743 2019 5 25 58628 0.1203 0.4515 -0.18774 2019 5 26 58629 0.1219 0.4515 -0.18811 2019 5 27 58630 0.1235 0.4515 -0.18850 2019 5 28 58631 0.1252 0.4515 -0.18900 2019 5 29 58632 0.1268 0.4515 -0.18959 2019 5 30 58633 0.1285 0.4515 -0.19025 2019 5 31 58634 0.1301 0.4514 -0.19092 2019 6 1 58635 0.1317 0.4513 -0.19152 2019 6 2 58636 0.1334 0.4512 -0.19203 2019 6 3 58637 0.1350 0.4510 -0.19242 2019 6 4 58638 0.1366 0.4509 -0.19265 2019 6 5 58639 0.1382 0.4507 -0.19285 2019 6 6 58640 0.1399 0.4504 -0.19302 2019 6 7 58641 0.1415 0.4502 -0.19323 2019 6 8 58642 0.1431 0.4499 -0.19357 2019 6 9 58643 0.1447 0.4496 -0.19408 2019 6 10 58644 0.1463 0.4493 -0.19472 2019 6 11 58645 0.1479 0.4490 -0.19552 2019 6 12 58646 0.1495 0.4486 -0.19641 2019 6 13 58647 0.1511 0.4482 -0.19720 2019 6 14 58648 0.1526 0.4478 -0.19785 2019 6 15 58649 0.1542 0.4473 -0.19833 2019 6 16 58650 0.1557 0.4469 -0.19856 2019 6 17 58651 0.1573 0.4464 -0.19856 2019 6 18 58652 0.1588 0.4459 -0.19837 2019 6 19 58653 0.1603 0.4453 -0.19802 2019 6 20 58654 0.1619 0.4448 -0.19762 2019 6 21 58655 0.1634 0.4442 -0.19723 2019 6 22 58656 0.1648 0.4436 -0.19685 2019 6 23 58657 0.1663 0.4429 -0.19654 2019 6 24 58658 0.1678 0.4423 -0.19629 2019 6 25 58659 0.1692 0.4416 -0.19614 2019 6 26 58660 0.1707 0.4409 -0.19608 2019 6 27 58661 0.1721 0.4402 -0.19605 2019 6 28 58662 0.1735 0.4395 -0.19597 2019 6 29 58663 0.1749 0.4387 -0.19585 2019 6 30 58664 0.1763 0.4379 -0.19563 2019 7 1 58665 0.1776 0.4371 -0.19529 2019 7 2 58666 0.1790 0.4363 -0.19487 2019 7 3 58667 0.1803 0.4354 -0.19445 2019 7 4 58668 0.1816 0.4346 -0.19420 2019 7 5 58669 0.1829 0.4337 -0.19410 2019 7 6 58670 0.1842 0.4328 -0.19419 2019 7 7 58671 0.1855 0.4318 -0.19438 2019 7 8 58672 0.1867 0.4309 -0.19468 2019 7 9 58673 0.1879 0.4299 -0.19501 2019 7 10 58674 0.1891 0.4289 -0.19534 2019 7 11 58675 0.1903 0.4279 -0.19559 2019 7 12 58676 0.1915 0.4269 -0.19569 2019 7 13 58677 0.1926 0.4259 -0.19563 2019 7 14 58678 0.1937 0.4248 -0.19540 2019 7 15 58679 0.1948 0.4237 -0.19507 2019 7 16 58680 0.1959 0.4226 -0.19470 2019 7 17 58681 0.1969 0.4215 -0.19427 2019 7 18 58682 0.1980 0.4204 -0.19383 2019 7 19 58683 0.1990 0.4192 -0.19338 2019 7 20 58684 0.1999 0.4181 -0.19306 2019 7 21 58685 0.2009 0.4169 -0.19284 2019 7 22 58686 0.2018 0.4157 -0.19272 2019 7 23 58687 0.2028 0.4145 -0.19270 2019 7 24 58688 0.2036 0.4133 -0.19274 2019 7 25 58689 0.2045 0.4120 -0.19280 2019 7 26 58690 0.2053 0.4108 -0.19283 2019 7 27 58691 0.2062 0.4095 -0.19279 2019 7 28 58692 0.2069 0.4082 -0.19268 2019 7 29 58693 0.2077 0.4070 -0.19246 2019 7 30 58694 0.2084 0.4057 -0.19214 2019 7 31 58695 0.2092 0.4043 -0.19183 2019 8 1 58696 0.2098 0.4030 -0.19167 2019 8 2 58697 0.2105 0.4017 -0.19172 2019 8 3 58698 0.2111 0.4003 -0.19198 2019 8 4 58699 0.2117 0.3990 -0.19238 2019 8 5 58700 0.2123 0.3976 -0.19289 2019 8 6 58701 0.2128 0.3962 -0.19339 2019 8 7 58702 0.2134 0.3949 -0.19374 2019 8 8 58703 0.2138 0.3935 -0.19395 2019 8 9 58704 0.2143 0.3921 -0.19398 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) 58313 -110.93 0.32 -11.61 0.10 58314 -110.63 0.32 -11.48 0.10 58315 -110.58 0.32 -11.46 0.10 58316 -110.90 0.32 -11.50 0.16 58317 -111.44 0.32 -11.46 0.16 58318 -111.83 0.32 -11.38 0.16 58319 -111.84 0.32 -11.40 0.16 58320 -111.63 0.32 -11.55 0.16 58321 -111.59 0.26 -11.69 0.11 58322 -111.89 0.26 -11.75 0.11 58323 -112.32 0.26 -11.76 0.11 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 58313 -0.137 0.128 0.082 0.095 58314 -0.140 0.128 0.099 0.095 58315 -0.142 0.128 0.112 0.095 58316 -0.142 0.128 0.121 0.160 58317 -0.140 0.128 0.127 0.160 58318 -0.137 0.128 0.131 0.160 58319 -0.133 0.128 0.132 0.160 58320 -0.128 0.128 0.131 0.160 58321 -0.123 0.104 0.128 0.114 58322 -0.117 0.104 0.125 0.114 58323 -0.111 0.104 0.121 0.114 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).