********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 14 January 2016 Vol. XXIX No. 002 ______________________________________________________________________ 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 26 Nov 2015 at 0000 UTC = +0.0 seconds beginning 31 Jan 2016 at 0000 UTC Beginning 1 July 2015: TAI-UTC = 36.000 000 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 by available by 20:00 UTC. * * * * 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 16 1 8 57395 0.03949 .00009 0.26508 .00009 0.068305 0.000018 16 1 9 57396 0.03793 .00009 0.26704 .00009 0.066559 0.000018 16 1 10 57397 0.03605 .00009 0.26886 .00009 0.064786 0.000013 16 1 11 57398 0.03432 .00009 0.27065 .00009 0.062955 0.000012 16 1 12 57399 0.03274 .00009 0.27252 .00009 0.060970 0.000011 16 1 13 57400 0.03112 .00009 0.27431 .00009 0.058874 0.000065 16 1 14 57401 0.02948 .00009 0.27577 .00009 0.056680 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 = 0.0933 - 0.0462 cos A - 0.0675 sin A - 0.0141 cos C - 0.0305 sin C y = 0.3634 - 0.0608 cos A + 0.0345 sin A - 0.0305 cos C + 0.0141 sin C UT1-UTC = 0.0162 - 0.00131 (MJD - 57409) - (UT2-UT1) where A = 2*pi*(MJD-57401)/365.25 and C = 2*pi*(MJD-57401)/435. TAI-UTC(MJD 57402) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57401)**0.80 S t = 0.00025 (MJD-57401)**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) 2016 1 15 57402 0.0279 0.2771 0.05446 2016 1 16 57403 0.0265 0.2783 0.05226 2016 1 17 57404 0.0251 0.2795 0.05013 2016 1 18 57405 0.0236 0.2808 0.04810 2016 1 19 57406 0.0222 0.2820 0.04622 2016 1 20 57407 0.0207 0.2832 0.04451 2016 1 21 57408 0.0194 0.2845 0.04295 2016 1 22 57409 0.0180 0.2857 0.04149 2016 1 23 57410 0.0168 0.2870 0.04002 2016 1 24 57411 0.0156 0.2882 0.03848 2016 1 25 57412 0.0144 0.2894 0.03684 2016 1 26 57413 0.0133 0.2907 0.03510 2016 1 27 57414 0.0122 0.2920 0.03326 2016 1 28 57415 0.0112 0.2933 0.03134 2016 1 29 57416 0.0101 0.2946 0.02936 2016 1 30 57417 0.0091 0.2960 0.02736 2016 1 31 57418 0.0081 0.2974 0.02536 2016 2 1 57419 0.0071 0.2988 0.02340 2016 2 2 57420 0.0061 0.3001 0.02150 2016 2 3 57421 0.0052 0.3015 0.01967 2016 2 4 57422 0.0043 0.3030 0.01792 2016 2 5 57423 0.0034 0.3044 0.01621 2016 2 6 57424 0.0025 0.3059 0.01451 2016 2 7 57425 0.0016 0.3073 0.01274 2016 2 8 57426 0.0008 0.3088 0.01085 2016 2 9 57427 0.0000 0.3103 0.00882 2016 2 10 57428 -0.0008 0.3118 0.00664 2016 2 11 57429 -0.0015 0.3133 0.00434 2016 2 12 57430 -0.0022 0.3148 0.00200 2016 2 13 57431 -0.0029 0.3163 -0.00031 2016 2 14 57432 -0.0036 0.3178 -0.00252 2016 2 15 57433 -0.0042 0.3193 -0.00458 2016 2 16 57434 -0.0048 0.3209 -0.00648 2016 2 17 57435 -0.0054 0.3224 -0.00826 2016 2 18 57436 -0.0060 0.3240 -0.00994 2016 2 19 57437 -0.0065 0.3256 -0.01158 2016 2 20 57438 -0.0070 0.3271 -0.01322 2016 2 21 57439 -0.0074 0.3287 -0.01489 2016 2 22 57440 -0.0079 0.3303 -0.01660 2016 2 23 57441 -0.0083 0.3319 -0.01835 2016 2 24 57442 -0.0086 0.3335 -0.02013 2016 2 25 57443 -0.0090 0.3351 -0.02194 2016 2 26 57444 -0.0093 0.3368 -0.02375 2016 2 27 57445 -0.0096 0.3384 -0.02552 2016 2 28 57446 -0.0098 0.3400 -0.02725 2016 2 29 57447 -0.0100 0.3417 -0.02891 2016 3 1 57448 -0.0102 0.3433 -0.03050 2016 3 2 57449 -0.0104 0.3449 -0.03204 2016 3 3 57450 -0.0105 0.3466 -0.03355 2016 3 4 57451 -0.0106 0.3482 -0.03508 2016 3 5 57452 -0.0107 0.3499 -0.03668 2016 3 6 57453 -0.0108 0.3515 -0.03842 2016 3 7 57454 -0.0108 0.3532 -0.04032 2016 3 8 57455 -0.0107 0.3548 -0.04243 2016 3 9 57456 -0.0107 0.3565 -0.04471 2016 3 10 57457 -0.0106 0.3581 -0.04711 2016 3 11 57458 -0.0105 0.3598 -0.04954 2016 3 12 57459 -0.0104 0.3614 -0.05188 2016 3 13 57460 -0.0102 0.3631 -0.05409 2016 3 14 57461 -0.0100 0.3647 -0.05612 2016 3 15 57462 -0.0098 0.3664 -0.05800 2016 3 16 57463 -0.0095 0.3680 -0.05976 2016 3 17 57464 -0.0092 0.3697 -0.06147 2016 3 18 57465 -0.0089 0.3713 -0.06316 2016 3 19 57466 -0.0085 0.3729 -0.06488 2016 3 20 57467 -0.0081 0.3745 -0.06665 2016 3 21 57468 -0.0077 0.3762 -0.06850 2016 3 22 57469 -0.0073 0.3778 -0.07039 2016 3 23 57470 -0.0068 0.3794 -0.07232 2016 3 24 57471 -0.0063 0.3810 -0.07426 2016 3 25 57472 -0.0058 0.3826 -0.07618 2016 3 26 57473 -0.0052 0.3842 -0.07805 2016 3 27 57474 -0.0046 0.3858 -0.07987 2016 3 28 57475 -0.0040 0.3873 -0.08161 2016 3 29 57476 -0.0034 0.3889 -0.08330 2016 3 30 57477 -0.0027 0.3904 -0.08494 2016 3 31 57478 -0.0020 0.3920 -0.08658 2016 4 1 57479 -0.0013 0.3935 -0.08827 2016 4 2 57480 -0.0005 0.3950 -0.09005 2016 4 3 57481 0.0003 0.3966 -0.09197 2016 4 4 57482 0.0011 0.3981 -0.09409 2016 4 5 57483 0.0020 0.3996 -0.09640 2016 4 6 57484 0.0028 0.4010 -0.09887 2016 4 7 57485 0.0037 0.4025 -0.10142 2016 4 8 57486 0.0046 0.4040 -0.10396 2016 4 9 57487 0.0056 0.4054 -0.10638 2016 4 10 57488 0.0066 0.4068 -0.10863 2016 4 11 57489 0.0076 0.4082 -0.11070 2016 4 12 57490 0.0086 0.4096 -0.11261 2016 4 13 57491 0.0096 0.4110 -0.11444 2016 4 14 57492 0.0107 0.4124 -0.11622 2016 4 15 57493 0.0118 0.4137 -0.11801 2016 4 16 57494 0.0130 0.4151 -0.11982 2016 4 17 57495 0.0141 0.4164 -0.12168 2016 4 18 57496 0.0153 0.4177 -0.12358 2016 4 19 57497 0.0165 0.4190 -0.12550 2016 4 20 57498 0.0177 0.4203 -0.12742 2016 4 21 57499 0.0189 0.4215 -0.12930 2016 4 22 57500 0.0202 0.4228 -0.13114 2016 4 23 57501 0.0215 0.4240 -0.13290 2016 4 24 57502 0.0228 0.4252 -0.13458 2016 4 25 57503 0.0241 0.4264 -0.13617 2016 4 26 57504 0.0255 0.4275 -0.13770 2016 4 27 57505 0.0269 0.4287 -0.13918 2016 4 28 57506 0.0283 0.4298 -0.14067 2016 4 29 57507 0.0297 0.4309 -0.14221 2016 4 30 57508 0.0311 0.4320 -0.14386 2016 5 1 57509 0.0326 0.4330 -0.14565 2016 5 2 57510 0.0340 0.4341 -0.14763 2016 5 3 57511 0.0355 0.4351 -0.14977 2016 5 4 57512 0.0370 0.4361 -0.15203 2016 5 5 57513 0.0385 0.4371 -0.15432 2016 5 6 57514 0.0401 0.4380 -0.15654 2016 5 7 57515 0.0416 0.4389 -0.15863 2016 5 8 57516 0.0432 0.4398 -0.16053 2016 5 9 57517 0.0448 0.4407 -0.16225 2016 5 10 57518 0.0464 0.4416 -0.16384 2016 5 11 57519 0.0480 0.4424 -0.16535 2016 5 12 57520 0.0497 0.4432 -0.16684 2016 5 13 57521 0.0513 0.4440 -0.16833 2016 5 14 57522 0.0530 0.4448 -0.16984 2016 5 15 57523 0.0547 0.4455 -0.17137 2016 5 16 57524 0.0563 0.4463 -0.17290 2016 5 17 57525 0.0580 0.4470 -0.17442 2016 5 18 57526 0.0597 0.4476 -0.17591 2016 5 19 57527 0.0615 0.4483 -0.17733 2016 5 20 57528 0.0632 0.4489 -0.17867 2016 5 21 57529 0.0649 0.4495 -0.17991 2016 5 22 57530 0.0667 0.4500 -0.18106 2016 5 23 57531 0.0685 0.4506 -0.18212 2016 5 24 57532 0.0702 0.4511 -0.18312 2016 5 25 57533 0.0720 0.4516 -0.18408 2016 5 26 57534 0.0738 0.4521 -0.18507 2016 5 27 57535 0.0756 0.4525 -0.18612 2016 5 28 57536 0.0774 0.4529 -0.18727 2016 5 29 57537 0.0792 0.4533 -0.18856 2016 5 30 57538 0.0810 0.4537 -0.19000 2016 5 31 57539 0.0828 0.4540 -0.19154 2016 6 1 57540 0.0847 0.4543 -0.19314 2016 6 2 57541 0.0865 0.4546 -0.19473 2016 6 3 57542 0.0883 0.4548 -0.19622 2016 6 4 57543 0.0902 0.4550 -0.19755 2016 6 5 57544 0.0920 0.4552 -0.19871 2016 6 6 57545 0.0938 0.4554 -0.19974 2016 6 7 57546 0.0957 0.4556 -0.20066 2016 6 8 57547 0.0975 0.4557 -0.20155 2016 6 9 57548 0.0994 0.4558 -0.20244 2016 6 10 57549 0.1012 0.4558 -0.20336 2016 6 11 57550 0.1030 0.4559 -0.20429 2016 6 12 57551 0.1049 0.4559 -0.20524 2016 6 13 57552 0.1067 0.4559 -0.20617 2016 6 14 57553 0.1086 0.4558 -0.20708 2016 6 15 57554 0.1104 0.4557 -0.20794 2016 6 16 57555 0.1122 0.4556 -0.20871 2016 6 17 57556 0.1141 0.4555 -0.20941 2016 6 18 57557 0.1159 0.4554 -0.21001 2016 6 19 57558 0.1177 0.4552 -0.21053 2016 6 20 57559 0.1195 0.4550 -0.21099 2016 6 21 57560 0.1214 0.4547 -0.21141 2016 6 22 57561 0.1232 0.4545 -0.21185 2016 6 23 57562 0.1250 0.4542 -0.21234 2016 6 24 57563 0.1268 0.4539 -0.21295 2016 6 25 57564 0.1286 0.4535 -0.21368 2016 6 26 57565 0.1303 0.4532 -0.21454 2016 6 27 57566 0.1321 0.4528 -0.21551 2016 6 28 57567 0.1339 0.4524 -0.21655 2016 6 29 57568 0.1356 0.4519 -0.21760 2016 6 30 57569 0.1374 0.4515 -0.21858 2016 7 1 57570 0.1391 0.4510 -0.21945 2016 7 2 57571 0.1408 0.4504 -0.22018 2016 7 3 57572 0.1425 0.4499 -0.22078 2016 7 4 57573 0.1442 0.4493 -0.22129 2016 7 5 57574 0.1459 0.4487 -0.22176 2016 7 6 57575 0.1476 0.4481 -0.22225 2016 7 7 57576 0.1493 0.4475 -0.22278 2016 7 8 57577 0.1509 0.4468 -0.22336 2016 7 9 57578 0.1525 0.4461 -0.22398 2016 7 10 57579 0.1542 0.4454 -0.22462 2016 7 11 57580 0.1558 0.4446 -0.22525 2016 7 12 57581 0.1574 0.4439 -0.22586 2016 7 13 57582 0.1589 0.4431 -0.22642 2016 7 14 57583 0.1605 0.4423 -0.22693 2016 7 15 57584 0.1620 0.4414 -0.22737 2016 7 16 57585 0.1636 0.4406 -0.22777 2016 7 17 57586 0.1651 0.4397 -0.22814 2016 7 18 57587 0.1666 0.4388 -0.22852 2016 7 19 57588 0.1680 0.4379 -0.22896 2016 7 20 57589 0.1695 0.4369 -0.22950 2016 7 21 57590 0.1709 0.4359 -0.23018 2016 7 22 57591 0.1723 0.4350 -0.23104 2016 7 23 57592 0.1737 0.4339 -0.23207 2016 7 24 57593 0.1751 0.4329 -0.23323 2016 7 25 57594 0.1765 0.4319 -0.23445 2016 7 26 57595 0.1778 0.4308 -0.23567 2016 7 27 57596 0.1791 0.4297 -0.23680 2016 7 28 57597 0.1804 0.4286 -0.23781 2016 7 29 57598 0.1817 0.4275 -0.23866 2016 7 30 57599 0.1829 0.4263 -0.23936 2016 7 31 57600 0.1842 0.4251 -0.23996 2016 8 1 57601 0.1854 0.4240 -0.24051 2016 8 2 57602 0.1865 0.4228 -0.24107 2016 8 3 57603 0.1877 0.4215 -0.24170 2016 8 4 57604 0.1888 0.4203 -0.24241 2016 8 5 57605 0.1899 0.4190 -0.24322 2016 8 6 57606 0.1910 0.4178 -0.24411 2016 8 7 57607 0.1921 0.4165 -0.24505 2016 8 8 57608 0.1931 0.4152 -0.24601 2016 8 9 57609 0.1941 0.4139 -0.24696 2016 8 10 57610 0.1951 0.4125 -0.24786 2016 8 11 57611 0.1961 0.4112 -0.24867 2016 8 12 57612 0.1970 0.4098 -0.24940 2016 8 13 57613 0.1979 0.4085 -0.25005 2016 8 14 57614 0.1988 0.4071 -0.25066 2016 8 15 57615 0.1996 0.4057 -0.25126 2016 8 16 57616 0.2005 0.4043 -0.25193 2016 8 17 57617 0.2013 0.4028 -0.25273 2016 8 18 57618 0.2020 0.4014 -0.25369 2016 8 19 57619 0.2028 0.4000 -0.25482 2016 8 20 57620 0.2035 0.3985 -0.25608 2016 8 21 57621 0.2042 0.3970 -0.25740 2016 8 22 57622 0.2048 0.3955 -0.25871 2016 8 23 57623 0.2055 0.3941 -0.25992 2016 8 24 57624 0.2061 0.3926 -0.26100 2016 8 25 57625 0.2067 0.3911 -0.26191 2016 8 26 57626 0.2072 0.3895 -0.26261 2016 8 27 57627 0.2077 0.3880 -0.26315 2016 8 28 57628 0.2082 0.3865 -0.26354 2016 8 29 57629 0.2087 0.3849 -0.26390 2016 8 30 57630 0.2091 0.3834 -0.26439 2016 8 31 57631 0.2095 0.3818 -0.26487 2016 9 1 57632 0.2099 0.3803 -0.26549 2016 9 2 57633 0.2102 0.3787 -0.26621 2016 9 3 57634 0.2105 0.3772 -0.26698 2016 9 4 57635 0.2108 0.3756 -0.26776 2016 9 5 57636 0.2111 0.3740 -0.26857 2016 9 6 57637 0.2113 0.3724 -0.26944 2016 9 7 57638 0.2115 0.3708 -0.27028 2016 9 8 57639 0.2117 0.3693 -0.27102 2016 9 9 57640 0.2118 0.3677 -0.27170 2016 9 10 57641 0.2119 0.3661 -0.27233 2016 9 11 57642 0.2120 0.3645 -0.27299 2016 9 12 57643 0.2120 0.3629 -0.27363 2016 9 13 57644 0.2120 0.3613 -0.27438 2016 9 14 57645 0.2120 0.3597 -0.27528 2016 9 15 57646 0.2120 0.3581 -0.27640 2016 9 16 57647 0.2119 0.3565 -0.27772 2016 9 17 57648 0.2118 0.3549 -0.27927 2016 9 18 57649 0.2117 0.3533 -0.28087 2016 9 19 57650 0.2115 0.3518 -0.28255 2016 9 20 57651 0.2113 0.3502 -0.28413 2016 9 21 57652 0.2111 0.3486 -0.28561 2016 9 22 57653 0.2109 0.3470 -0.28701 2016 9 23 57654 0.2106 0.3454 -0.28837 2016 9 24 57655 0.2103 0.3439 -0.28967 2016 9 25 57656 0.2099 0.3423 -0.29102 2016 9 26 57657 0.2096 0.3407 -0.29240 2016 9 27 57658 0.2092 0.3392 -0.29381 2016 9 28 57659 0.2088 0.3376 -0.29528 2016 9 29 57660 0.2083 0.3361 -0.29682 2016 9 30 57661 0.2078 0.3346 -0.29836 2016 10 1 57662 0.2073 0.3330 -0.29989 2016 10 2 57663 0.2068 0.3315 -0.30141 2016 10 3 57664 0.2062 0.3300 -0.30287 2016 10 4 57665 0.2056 0.3285 -0.30424 2016 10 5 57666 0.2050 0.3270 -0.30544 2016 10 6 57667 0.2044 0.3255 -0.30655 2016 10 7 57668 0.2037 0.3240 -0.30755 2016 10 8 57669 0.2030 0.3226 -0.30851 2016 10 9 57670 0.2023 0.3211 -0.30940 2016 10 10 57671 0.2015 0.3197 -0.31033 2016 10 11 57672 0.2007 0.3182 -0.31138 2016 10 12 57673 0.1999 0.3168 -0.31260 2016 10 13 57674 0.1991 0.3154 -0.31403 2016 10 14 57675 0.1982 0.3140 -0.31571 2016 10 15 57676 0.1974 0.3126 -0.31757 2016 10 16 57677 0.1965 0.3113 -0.31947 2016 10 17 57678 0.1955 0.3099 -0.32137 2016 10 18 57679 0.1946 0.3086 -0.32312 2016 10 19 57680 0.1936 0.3072 -0.32468 2016 10 20 57681 0.1926 0.3059 -0.32608 2016 10 21 57682 0.1916 0.3046 -0.32723 2016 10 22 57683 0.1905 0.3033 -0.32827 2016 10 23 57684 0.1895 0.3021 -0.32928 2016 10 24 57685 0.1884 0.3008 -0.33027 2016 10 25 57686 0.1873 0.2996 -0.33136 2016 10 26 57687 0.1861 0.2984 -0.33251 2016 10 27 57688 0.1850 0.2972 -0.33378 2016 10 28 57689 0.1838 0.2960 -0.33505 2016 10 29 57690 0.1826 0.2948 -0.33642 2016 10 30 57691 0.1814 0.2937 -0.33779 2016 10 31 57692 0.1801 0.2926 -0.33912 2016 11 1 57693 0.1789 0.2914 -0.34043 2016 11 2 57694 0.1776 0.2903 -0.34169 2016 11 3 57695 0.1763 0.2893 -0.34287 2016 11 4 57696 0.1750 0.2882 -0.34389 2016 11 5 57697 0.1736 0.2872 -0.34485 2016 11 6 57698 0.1723 0.2862 -0.34579 2016 11 7 57699 0.1709 0.2852 -0.34671 2016 11 8 57700 0.1695 0.2842 -0.34770 2016 11 9 57701 0.1681 0.2833 -0.34879 2016 11 10 57702 0.1667 0.2823 -0.34999 2016 11 11 57703 0.1653 0.2814 -0.35141 2016 11 12 57704 0.1638 0.2805 -0.35300 2016 11 13 57705 0.1624 0.2797 -0.35469 2016 11 14 57706 0.1609 0.2788 -0.35642 2016 11 15 57707 0.1594 0.2780 -0.35804 2016 11 16 57708 0.1579 0.2772 -0.35956 2016 11 17 57709 0.1564 0.2764 -0.36100 2016 11 18 57710 0.1549 0.2757 -0.36237 2016 11 19 57711 0.1533 0.2749 -0.36374 2016 11 20 57712 0.1518 0.2742 -0.36522 2016 11 21 57713 0.1502 0.2736 -0.36671 2016 11 22 57714 0.1486 0.2729 -0.36821 2016 11 23 57715 0.1470 0.2723 -0.36968 2016 11 24 57716 0.1454 0.2716 -0.37117 2016 11 25 57717 0.1438 0.2711 -0.37263 2016 11 26 57718 0.1422 0.2705 -0.37396 2016 11 27 57719 0.1406 0.2700 -0.37527 2016 11 28 57720 0.1390 0.2694 -0.37647 2016 11 29 57721 0.1373 0.2689 -0.37759 2016 11 30 57722 0.1357 0.2685 -0.37867 2016 12 1 57723 0.1340 0.2680 -0.37971 2016 12 2 57724 0.1324 0.2676 -0.38065 2016 12 3 57725 0.1307 0.2672 -0.38160 2016 12 4 57726 0.1290 0.2669 -0.38258 2016 12 5 57727 0.1274 0.2665 -0.38357 2016 12 6 57728 0.1257 0.2662 -0.38465 2016 12 7 57729 0.1240 0.2659 -0.38577 2016 12 8 57730 0.1223 0.2656 -0.38696 2016 12 9 57731 0.1206 0.2654 -0.38826 2016 12 10 57732 0.1190 0.2652 -0.38958 2016 12 11 57733 0.1173 0.2650 -0.39094 2016 12 12 57734 0.1156 0.2648 -0.39219 2016 12 13 57735 0.1139 0.2647 -0.39332 2016 12 14 57736 0.1122 0.2646 -0.39432 2016 12 15 57737 0.1105 0.2645 -0.39520 2016 12 16 57738 0.1088 0.2644 -0.39603 2016 12 17 57739 0.1071 0.2644 -0.39686 2016 12 18 57740 0.1054 0.2644 -0.39771 2016 12 19 57741 0.1037 0.2644 -0.39860 2016 12 20 57742 0.1021 0.2644 -0.39960 2016 12 21 57743 0.1004 0.2645 -0.40060 2016 12 22 57744 0.0987 0.2646 -0.40159 2016 12 23 57745 0.0970 0.2647 -0.40256 2016 12 24 57746 0.0954 0.2648 -0.40350 2016 12 25 57747 0.0937 0.2650 -0.40443 2016 12 26 57748 0.0921 0.2652 -0.40527 2016 12 27 57749 0.0904 0.2654 -0.40603 2016 12 28 57750 0.0888 0.2656 -0.40677 2016 12 29 57751 0.0871 0.2659 -0.40750 2016 12 30 57752 0.0855 0.2662 -0.40829 2016 12 31 57753 0.0839 0.2665 -0.40909 2017 1 1 57754 0.0823 0.2668 -0.40994 2017 1 2 57755 0.0807 0.2672 -0.41089 2017 1 3 57756 0.0791 0.2676 -0.41204 2017 1 4 57757 0.0775 0.2680 -0.41341 2017 1 5 57758 0.0759 0.2684 -0.41490 2017 1 6 57759 0.0743 0.2689 -0.41641 2017 1 7 57760 0.0728 0.2693 -0.41791 2017 1 8 57761 0.0712 0.2699 -0.41936 2017 1 9 57762 0.0697 0.2704 -0.42072 2017 1 10 57763 0.0682 0.2709 -0.42196 2017 1 11 57764 0.0667 0.2715 -0.42305 2017 1 12 57765 0.0652 0.2721 -0.42407 2017 1 13 57766 0.0637 0.2727 -0.42505 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) 57360 -94.01 0.30 -10.39 0.05 57361 -93.92 0.12 -10.20 0.12 57362 -93.95 0.30 -10.04 0.05 57363 -94.02 0.30 -9.90 0.02 57364 -94.08 0.30 -9.75 0.02 57365 -94.16 0.30 -9.61 0.02 57366 -94.28 0.30 -9.56 0.02 57367 -94.34 0.30 -9.66 0.02 57368 -94.20 0.30 -9.87 0.15 57369 -93.93 0.30 -10.03 0.03 57370 -93.73 0.30 -10.04 0.03 57371 -93.73 0.30 -9.93 0.03 57372 -93.88 0.30 -9.77 0.03 57373 -93.98 0.30 -9.62 0.03 57374 -93.95 0.30 -9.47 0.03 57375 -93.86 0.30 -9.30 0.15 57376 -93.87 0.30 -9.14 0.15 57377 -94.07 0.30 -9.11 0.15 57378 -94.38 0.30 -9.27 0.15 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 57360 -0.045 0.119 -0.133 0.050 57361 -0.035 0.048 -0.121 0.120 57362 -0.038 0.119 -0.104 0.050 57363 -0.044 0.119 -0.110 0.020 57364 -0.056 0.119 -0.131 0.020 57365 -0.066 0.119 -0.146 0.020 57366 -0.067 0.119 -0.150 0.020 57367 -0.054 0.119 -0.157 0.020 57368 -0.029 0.119 -0.177 0.150 57369 -0.020 0.119 -0.174 0.030 57370 -0.029 0.119 -0.156 0.030 57371 -0.040 0.119 -0.158 0.030 57372 -0.048 0.119 -0.169 0.030 57373 -0.051 0.119 -0.176 0.030 57374 -0.065 0.119 -0.176 0.030 57375 -0.082 0.119 -0.186 0.150 57376 -0.090 0.119 -0.204 0.150 57377 -0.090 0.119 -0.222 0.150 57378 -0.086 0.119 -0.212 0.150 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).