********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 21 January 2016 Vol. XXIX No. 003 ______________________________________________________________________ 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 15 57402 0.02823 .00009 0.27677 .00009 0.054618 0.000018 16 1 16 57403 0.02673 .00009 0.27808 .00009 0.052468 0.000020 16 1 17 57404 0.02508 .00009 0.27958 .00009 0.050404 0.000018 16 1 18 57405 0.02329 .00009 0.28131 .00009 0.048356 0.000018 16 1 19 57406 0.02131 .00009 0.28318 .00009 0.046404 0.000065 16 1 20 57407 0.01901 .00009 0.28495 .00009 0.044617 0.000065 16 1 21 57408 0.01642 .00010 0.28649 .00009 0.042938 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 = 0.0905 - 0.0569 cos A - 0.0634 sin A - 0.0156 cos C - 0.0260 sin C y = 0.3657 - 0.0574 cos A + 0.0445 sin A - 0.0260 cos C + 0.0156 sin C UT1-UTC = 0.0063 - 0.00132 (MJD - 57416) - (UT2-UT1) where A = 2*pi*(MJD-57408)/365.25 and C = 2*pi*(MJD-57408)/435. TAI-UTC(MJD 57409) = 36.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-57408)**0.80 S t = 0.00025 (MJD-57408)**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 22 57409 0.0142 0.2878 0.04136 2016 1 23 57410 0.0121 0.2889 0.03979 2016 1 24 57411 0.0103 0.2900 0.03820 2016 1 25 57412 0.0089 0.2912 0.03663 2016 1 26 57413 0.0075 0.2925 0.03510 2016 1 27 57414 0.0063 0.2939 0.03363 2016 1 28 57415 0.0050 0.2952 0.03222 2016 1 29 57416 0.0038 0.2966 0.03084 2016 1 30 57417 0.0026 0.2980 0.02945 2016 1 31 57418 0.0014 0.2994 0.02799 2016 2 1 57419 0.0003 0.3008 0.02644 2016 2 2 57420 -0.0007 0.3022 0.02487 2016 2 3 57421 -0.0017 0.3036 0.02329 2016 2 4 57422 -0.0026 0.3051 0.02172 2016 2 5 57423 -0.0034 0.3066 0.02014 2016 2 6 57424 -0.0042 0.3082 0.01851 2016 2 7 57425 -0.0051 0.3098 0.01675 2016 2 8 57426 -0.0059 0.3114 0.01481 2016 2 9 57427 -0.0068 0.3131 0.01266 2016 2 10 57428 -0.0076 0.3147 0.01029 2016 2 11 57429 -0.0083 0.3163 0.00777 2016 2 12 57430 -0.0090 0.3179 0.00519 2016 2 13 57431 -0.0097 0.3195 0.00264 2016 2 14 57432 -0.0103 0.3211 0.00021 2016 2 15 57433 -0.0109 0.3228 -0.00206 2016 2 16 57434 -0.0115 0.3245 -0.00414 2016 2 17 57435 -0.0121 0.3261 -0.00608 2016 2 18 57436 -0.0126 0.3278 -0.00791 2016 2 19 57437 -0.0131 0.3295 -0.00970 2016 2 20 57438 -0.0135 0.3312 -0.01149 2016 2 21 57439 -0.0139 0.3329 -0.01331 2016 2 22 57440 -0.0143 0.3346 -0.01518 2016 2 23 57441 -0.0147 0.3363 -0.01712 2016 2 24 57442 -0.0150 0.3380 -0.01910 2016 2 25 57443 -0.0153 0.3397 -0.02111 2016 2 26 57444 -0.0155 0.3414 -0.02311 2016 2 27 57445 -0.0157 0.3432 -0.02508 2016 2 28 57446 -0.0159 0.3449 -0.02700 2016 2 29 57447 -0.0161 0.3466 -0.02885 2016 3 1 57448 -0.0162 0.3484 -0.03062 2016 3 2 57449 -0.0163 0.3501 -0.03232 2016 3 3 57450 -0.0164 0.3518 -0.03398 2016 3 4 57451 -0.0164 0.3536 -0.03563 2016 3 5 57452 -0.0164 0.3553 -0.03734 2016 3 6 57453 -0.0164 0.3571 -0.03916 2016 3 7 57454 -0.0163 0.3588 -0.04115 2016 3 8 57455 -0.0162 0.3606 -0.04332 2016 3 9 57456 -0.0161 0.3623 -0.04567 2016 3 10 57457 -0.0159 0.3640 -0.04813 2016 3 11 57458 -0.0157 0.3658 -0.05060 2016 3 12 57459 -0.0155 0.3675 -0.05298 2016 3 13 57460 -0.0153 0.3692 -0.05521 2016 3 14 57461 -0.0150 0.3710 -0.05726 2016 3 15 57462 -0.0146 0.3727 -0.05916 2016 3 16 57463 -0.0143 0.3744 -0.06095 2016 3 17 57464 -0.0139 0.3761 -0.06268 2016 3 18 57465 -0.0135 0.3779 -0.06440 2016 3 19 57466 -0.0130 0.3796 -0.06615 2016 3 20 57467 -0.0126 0.3813 -0.06796 2016 3 21 57468 -0.0121 0.3830 -0.06983 2016 3 22 57469 -0.0115 0.3846 -0.07175 2016 3 23 57470 -0.0109 0.3863 -0.07370 2016 3 24 57471 -0.0103 0.3880 -0.07566 2016 3 25 57472 -0.0097 0.3896 -0.07759 2016 3 26 57473 -0.0091 0.3913 -0.07948 2016 3 27 57474 -0.0084 0.3929 -0.08130 2016 3 28 57475 -0.0076 0.3946 -0.08305 2016 3 29 57476 -0.0069 0.3962 -0.08473 2016 3 30 57477 -0.0061 0.3978 -0.08636 2016 3 31 57478 -0.0053 0.3994 -0.08799 2016 4 1 57479 -0.0045 0.4010 -0.08965 2016 4 2 57480 -0.0036 0.4026 -0.09140 2016 4 3 57481 -0.0027 0.4041 -0.09330 2016 4 4 57482 -0.0018 0.4057 -0.09538 2016 4 5 57483 -0.0008 0.4072 -0.09765 2016 4 6 57484 0.0002 0.4088 -0.10009 2016 4 7 57485 0.0012 0.4103 -0.10260 2016 4 8 57486 0.0022 0.4118 -0.10510 2016 4 9 57487 0.0033 0.4132 -0.10749 2016 4 10 57488 0.0044 0.4147 -0.10970 2016 4 11 57489 0.0055 0.4161 -0.11174 2016 4 12 57490 0.0066 0.4176 -0.11364 2016 4 13 57491 0.0078 0.4190 -0.11544 2016 4 14 57492 0.0090 0.4204 -0.11720 2016 4 15 57493 0.0102 0.4218 -0.11896 2016 4 16 57494 0.0115 0.4231 -0.12076 2016 4 17 57495 0.0127 0.4245 -0.12260 2016 4 18 57496 0.0140 0.4258 -0.12447 2016 4 19 57497 0.0154 0.4271 -0.12638 2016 4 20 57498 0.0167 0.4284 -0.12827 2016 4 21 57499 0.0181 0.4297 -0.13015 2016 4 22 57500 0.0195 0.4309 -0.13197 2016 4 23 57501 0.0209 0.4322 -0.13372 2016 4 24 57502 0.0223 0.4334 -0.13540 2016 4 25 57503 0.0238 0.4346 -0.13699 2016 4 26 57504 0.0252 0.4357 -0.13852 2016 4 27 57505 0.0267 0.4369 -0.14001 2016 4 28 57506 0.0282 0.4380 -0.14150 2016 4 29 57507 0.0298 0.4391 -0.14304 2016 4 30 57508 0.0313 0.4402 -0.14467 2016 5 1 57509 0.0329 0.4412 -0.14645 2016 5 2 57510 0.0345 0.4422 -0.14840 2016 5 3 57511 0.0361 0.4433 -0.15050 2016 5 4 57512 0.0377 0.4442 -0.15271 2016 5 5 57513 0.0394 0.4452 -0.15496 2016 5 6 57514 0.0411 0.4461 -0.15715 2016 5 7 57515 0.0427 0.4471 -0.15920 2016 5 8 57516 0.0444 0.4479 -0.16106 2016 5 9 57517 0.0462 0.4488 -0.16278 2016 5 10 57518 0.0479 0.4496 -0.16437 2016 5 11 57519 0.0496 0.4504 -0.16589 2016 5 12 57520 0.0514 0.4512 -0.16738 2016 5 13 57521 0.0532 0.4520 -0.16888 2016 5 14 57522 0.0549 0.4527 -0.17041 2016 5 15 57523 0.0567 0.4534 -0.17195 2016 5 16 57524 0.0586 0.4541 -0.17351 2016 5 17 57525 0.0604 0.4548 -0.17505 2016 5 18 57526 0.0622 0.4554 -0.17656 2016 5 19 57527 0.0641 0.4560 -0.17802 2016 5 20 57528 0.0659 0.4566 -0.17939 2016 5 21 57529 0.0678 0.4571 -0.18067 2016 5 22 57530 0.0696 0.4576 -0.18186 2016 5 23 57531 0.0715 0.4581 -0.18297 2016 5 24 57532 0.0734 0.4586 -0.18402 2016 5 25 57533 0.0753 0.4590 -0.18503 2016 5 26 57534 0.0772 0.4594 -0.18607 2016 5 27 57535 0.0791 0.4598 -0.18718 2016 5 28 57536 0.0810 0.4602 -0.18839 2016 5 29 57537 0.0830 0.4605 -0.18974 2016 5 30 57538 0.0849 0.4608 -0.19122 2016 5 31 57539 0.0868 0.4611 -0.19281 2016 6 1 57540 0.0887 0.4613 -0.19446 2016 6 2 57541 0.0907 0.4615 -0.19609 2016 6 3 57542 0.0926 0.4617 -0.19762 2016 6 4 57543 0.0946 0.4619 -0.19899 2016 6 5 57544 0.0965 0.4620 -0.20019 2016 6 6 57545 0.0985 0.4621 -0.20125 2016 6 7 57546 0.1004 0.4621 -0.20220 2016 6 8 57547 0.1023 0.4622 -0.20312 2016 6 9 57548 0.1043 0.4622 -0.20404 2016 6 10 57549 0.1062 0.4622 -0.20497 2016 6 11 57550 0.1082 0.4621 -0.20593 2016 6 12 57551 0.1101 0.4620 -0.20690 2016 6 13 57552 0.1121 0.4619 -0.20786 2016 6 14 57553 0.1140 0.4618 -0.20879 2016 6 15 57554 0.1159 0.4616 -0.20967 2016 6 16 57555 0.1179 0.4615 -0.21047 2016 6 17 57556 0.1198 0.4612 -0.21118 2016 6 18 57557 0.1217 0.4610 -0.21180 2016 6 19 57558 0.1236 0.4607 -0.21234 2016 6 20 57559 0.1255 0.4604 -0.21281 2016 6 21 57560 0.1274 0.4601 -0.21325 2016 6 22 57561 0.1293 0.4597 -0.21370 2016 6 23 57562 0.1312 0.4593 -0.21421 2016 6 24 57563 0.1331 0.4589 -0.21482 2016 6 25 57564 0.1349 0.4585 -0.21556 2016 6 26 57565 0.1368 0.4580 -0.21643 2016 6 27 57566 0.1386 0.4575 -0.21742 2016 6 28 57567 0.1405 0.4570 -0.21846 2016 6 29 57568 0.1423 0.4564 -0.21951 2016 6 30 57569 0.1441 0.4558 -0.22050 2016 7 1 57570 0.1459 0.4552 -0.22137 2016 7 2 57571 0.1477 0.4546 -0.22210 2016 7 3 57572 0.1495 0.4539 -0.22270 2016 7 4 57573 0.1513 0.4533 -0.22321 2016 7 5 57574 0.1530 0.4525 -0.22368 2016 7 6 57575 0.1547 0.4518 -0.22416 2016 7 7 57576 0.1565 0.4510 -0.22468 2016 7 8 57577 0.1582 0.4502 -0.22525 2016 7 9 57578 0.1599 0.4494 -0.22586 2016 7 10 57579 0.1615 0.4486 -0.22647 2016 7 11 57580 0.1632 0.4477 -0.22708 2016 7 12 57581 0.1648 0.4468 -0.22765 2016 7 13 57582 0.1665 0.4459 -0.22816 2016 7 14 57583 0.1681 0.4450 -0.22861 2016 7 15 57584 0.1697 0.4440 -0.22897 2016 7 16 57585 0.1712 0.4430 -0.22927 2016 7 17 57586 0.1728 0.4420 -0.22952 2016 7 18 57587 0.1743 0.4410 -0.22975 2016 7 19 57588 0.1758 0.4400 -0.23000 2016 7 20 57589 0.1773 0.4389 -0.23033 2016 7 21 57590 0.1788 0.4378 -0.23078 2016 7 22 57591 0.1802 0.4367 -0.23139 2016 7 23 57592 0.1816 0.4355 -0.23217 2016 7 24 57593 0.1830 0.4344 -0.23311 2016 7 25 57594 0.1844 0.4332 -0.23415 2016 7 26 57595 0.1858 0.4320 -0.23524 2016 7 27 57596 0.1871 0.4308 -0.23631 2016 7 28 57597 0.1884 0.4295 -0.23731 2016 7 29 57598 0.1897 0.4283 -0.23821 2016 7 30 57599 0.1910 0.4270 -0.23901 2016 7 31 57600 0.1922 0.4257 -0.23973 2016 8 1 57601 0.1934 0.4244 -0.24041 2016 8 2 57602 0.1946 0.4230 -0.24109 2016 8 3 57603 0.1958 0.4217 -0.24180 2016 8 4 57604 0.1969 0.4203 -0.24256 2016 8 5 57605 0.1980 0.4189 -0.24335 2016 8 6 57606 0.1991 0.4175 -0.24416 2016 8 7 57607 0.2001 0.4161 -0.24496 2016 8 8 57608 0.2012 0.4147 -0.24572 2016 8 9 57609 0.2022 0.4132 -0.24644 2016 8 10 57610 0.2032 0.4117 -0.24708 2016 8 11 57611 0.2041 0.4103 -0.24766 2016 8 12 57612 0.2050 0.4088 -0.24817 2016 8 13 57613 0.2059 0.4073 -0.24864 2016 8 14 57614 0.2068 0.4058 -0.24912 2016 8 15 57615 0.2076 0.4042 -0.24965 2016 8 16 57616 0.2084 0.4027 -0.25028 2016 8 17 57617 0.2092 0.4011 -0.25108 2016 8 18 57618 0.2099 0.3996 -0.25208 2016 8 19 57619 0.2106 0.3980 -0.25332 2016 8 20 57620 0.2113 0.3964 -0.25476 2016 8 21 57621 0.2120 0.3948 -0.25635 2016 8 22 57622 0.2126 0.3932 -0.25798 2016 8 23 57623 0.2132 0.3916 -0.25956 2016 8 24 57624 0.2138 0.3899 -0.26102 2016 8 25 57625 0.2143 0.3883 -0.26232 2016 8 26 57626 0.2148 0.3867 -0.26345 2016 8 27 57627 0.2153 0.3850 -0.26446 2016 8 28 57628 0.2157 0.3834 -0.26540 2016 8 29 57629 0.2161 0.3817 -0.26635 2016 8 30 57630 0.2165 0.3800 -0.26738 2016 8 31 57631 0.2169 0.3784 -0.26852 2016 9 1 57632 0.2172 0.3767 -0.26976 2016 9 2 57633 0.2175 0.3750 -0.27103 2016 9 3 57634 0.2177 0.3733 -0.27228 2016 9 4 57635 0.2179 0.3716 -0.27349 2016 9 5 57636 0.2181 0.3699 -0.27462 2016 9 6 57637 0.2183 0.3682 -0.27561 2016 9 7 57638 0.2184 0.3665 -0.27653 2016 9 8 57639 0.2185 0.3648 -0.27735 2016 9 9 57640 0.2186 0.3631 -0.27802 2016 9 10 57641 0.2186 0.3614 -0.27860 2016 9 11 57642 0.2186 0.3597 -0.27908 2016 9 12 57643 0.2186 0.3580 -0.27957 2016 9 13 57644 0.2185 0.3563 -0.28024 2016 9 14 57645 0.2184 0.3546 -0.28097 2016 9 15 57646 0.2183 0.3529 -0.28194 2016 9 16 57647 0.2181 0.3512 -0.28315 2016 9 17 57648 0.2180 0.3495 -0.28453 2016 9 18 57649 0.2177 0.3478 -0.28603 2016 9 19 57650 0.2175 0.3461 -0.28758 2016 9 20 57651 0.2172 0.3445 -0.28916 2016 9 21 57652 0.2169 0.3428 -0.29063 2016 9 22 57653 0.2166 0.3411 -0.29191 2016 9 23 57654 0.2162 0.3394 -0.29307 2016 9 24 57655 0.2158 0.3378 -0.29413 2016 9 25 57656 0.2153 0.3361 -0.29519 2016 9 26 57657 0.2149 0.3345 -0.29622 2016 9 27 57658 0.2144 0.3328 -0.29733 2016 9 28 57659 0.2139 0.3312 -0.29851 2016 9 29 57660 0.2133 0.3295 -0.29978 2016 9 30 57661 0.2127 0.3279 -0.30111 2016 10 1 57662 0.2121 0.3263 -0.30250 2016 10 2 57663 0.2115 0.3247 -0.30384 2016 10 3 57664 0.2108 0.3231 -0.30520 2016 10 4 57665 0.2101 0.3215 -0.30648 2016 10 5 57666 0.2094 0.3200 -0.30773 2016 10 6 57667 0.2086 0.3184 -0.30897 2016 10 7 57668 0.2078 0.3169 -0.31025 2016 10 8 57669 0.2070 0.3153 -0.31152 2016 10 9 57670 0.2061 0.3138 -0.31288 2016 10 10 57671 0.2053 0.3123 -0.31431 2016 10 11 57672 0.2044 0.3108 -0.31583 2016 10 12 57673 0.2035 0.3093 -0.31749 2016 10 13 57674 0.2025 0.3078 -0.31935 2016 10 14 57675 0.2015 0.3064 -0.32135 2016 10 15 57676 0.2005 0.3049 -0.32347 2016 10 16 57677 0.1995 0.3035 -0.32566 2016 10 17 57678 0.1984 0.3021 -0.32780 2016 10 18 57679 0.1974 0.3007 -0.32979 2016 10 19 57680 0.1963 0.2993 -0.33152 2016 10 20 57681 0.1951 0.2980 -0.33308 2016 10 21 57682 0.1940 0.2966 -0.33445 2016 10 22 57683 0.1928 0.2953 -0.33576 2016 10 23 57684 0.1916 0.2940 -0.33697 2016 10 24 57685 0.1904 0.2927 -0.33817 2016 10 25 57686 0.1891 0.2914 -0.33944 2016 10 26 57687 0.1879 0.2902 -0.34077 2016 10 27 57688 0.1866 0.2890 -0.34214 2016 10 28 57689 0.1852 0.2877 -0.34359 2016 10 29 57690 0.1839 0.2866 -0.34505 2016 10 30 57691 0.1826 0.2854 -0.34643 2016 10 31 57692 0.1812 0.2842 -0.34778 2016 11 1 57693 0.1798 0.2831 -0.34901 2016 11 2 57694 0.1784 0.2820 -0.35015 2016 11 3 57695 0.1769 0.2809 -0.35119 2016 11 4 57696 0.1755 0.2798 -0.35207 2016 11 5 57697 0.1740 0.2788 -0.35287 2016 11 6 57698 0.1725 0.2778 -0.35368 2016 11 7 57699 0.1710 0.2768 -0.35451 2016 11 8 57700 0.1695 0.2758 -0.35551 2016 11 9 57701 0.1679 0.2748 -0.35668 2016 11 10 57702 0.1664 0.2739 -0.35811 2016 11 11 57703 0.1648 0.2730 -0.35969 2016 11 12 57704 0.1632 0.2721 -0.36150 2016 11 13 57705 0.1616 0.2712 -0.36338 2016 11 14 57706 0.1600 0.2704 -0.36522 2016 11 15 57707 0.1584 0.2696 -0.36698 2016 11 16 57708 0.1567 0.2688 -0.36861 2016 11 17 57709 0.1551 0.2680 -0.37009 2016 11 18 57710 0.1534 0.2673 -0.37137 2016 11 19 57711 0.1517 0.2666 -0.37256 2016 11 20 57712 0.1500 0.2659 -0.37371 2016 11 21 57713 0.1483 0.2652 -0.37480 2016 11 22 57714 0.1466 0.2646 -0.37587 2016 11 23 57715 0.1449 0.2640 -0.37690 2016 11 24 57716 0.1432 0.2634 -0.37787 2016 11 25 57717 0.1414 0.2628 -0.37887 2016 11 26 57718 0.1397 0.2623 -0.37988 2016 11 27 57719 0.1379 0.2618 -0.38089 2016 11 28 57720 0.1361 0.2613 -0.38193 2016 11 29 57721 0.1344 0.2609 -0.38291 2016 11 30 57722 0.1326 0.2605 -0.38385 2016 12 1 57723 0.1308 0.2601 -0.38480 2016 12 2 57724 0.1290 0.2597 -0.38575 2016 12 3 57725 0.1272 0.2593 -0.38673 2016 12 4 57726 0.1254 0.2590 -0.38785 2016 12 5 57727 0.1236 0.2587 -0.38905 2016 12 6 57728 0.1218 0.2585 -0.39036 2016 12 7 57729 0.1200 0.2582 -0.39176 2016 12 8 57730 0.1182 0.2580 -0.39332 2016 12 9 57731 0.1164 0.2578 -0.39500 2016 12 10 57732 0.1145 0.2577 -0.39666 2016 12 11 57733 0.1127 0.2576 -0.39835 2016 12 12 57734 0.1109 0.2575 -0.39993 2016 12 13 57735 0.1091 0.2574 -0.40138 2016 12 14 57736 0.1073 0.2573 -0.40273 2016 12 15 57737 0.1055 0.2573 -0.40402 2016 12 16 57738 0.1037 0.2573 -0.40519 2016 12 17 57739 0.1018 0.2574 -0.40637 2016 12 18 57740 0.1000 0.2574 -0.40755 2016 12 19 57741 0.0982 0.2575 -0.40871 2016 12 20 57742 0.0964 0.2577 -0.40984 2016 12 21 57743 0.0946 0.2578 -0.41087 2016 12 22 57744 0.0928 0.2580 -0.41180 2016 12 23 57745 0.0911 0.2582 -0.41267 2016 12 24 57746 0.0893 0.2584 -0.41343 2016 12 25 57747 0.0875 0.2587 -0.41417 2016 12 26 57748 0.0857 0.2589 -0.41479 2016 12 27 57749 0.0840 0.2592 -0.41535 2016 12 28 57750 0.0822 0.2596 -0.41584 2016 12 29 57751 0.0805 0.2599 -0.41628 2016 12 30 57752 0.0788 0.2603 -0.41672 2016 12 31 57753 0.0770 0.2607 -0.41720 2017 1 1 57754 0.0753 0.2612 -0.41775 2017 1 2 57755 0.0736 0.2616 -0.41841 2017 1 3 57756 0.0719 0.2621 -0.41929 2017 1 4 57757 0.0702 0.2626 -0.42032 2017 1 5 57758 0.0686 0.2632 -0.42147 2017 1 6 57759 0.0669 0.2637 -0.42271 2017 1 7 57760 0.0653 0.2643 -0.42400 2017 1 8 57761 0.0636 0.2650 -0.42530 2017 1 9 57762 0.0620 0.2656 -0.42651 2017 1 10 57763 0.0604 0.2663 -0.42760 2017 1 11 57764 0.0588 0.2669 -0.42865 2017 1 12 57765 0.0573 0.2677 -0.42968 2017 1 13 57766 0.0557 0.2684 -0.43078 2017 1 14 57767 0.0542 0.2692 -0.43190 2017 1 15 57768 0.0526 0.2699 -0.43304 2017 1 16 57769 0.0511 0.2707 -0.43423 2017 1 17 57770 0.0496 0.2716 -0.43550 2017 1 18 57771 0.0482 0.2724 -0.43683 2017 1 19 57772 0.0467 0.2733 -0.43815 2017 1 20 57773 0.0453 0.2742 -0.43935 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) 57379 -94.60 0.30 -9.55 0.01 57380 -94.68 0.30 -9.72 0.01 57381 -94.56 0.30 -9.64 0.01 57382 -94.33 0.30 -9.37 0.15 57383 -94.08 0.30 -9.16 0.03 57384 -93.84 0.30 -9.17 0.03 57385 -93.65 0.30 -9.34 0.03 57386 -93.52 0.30 -9.50 0.03 57387 -93.45 0.30 -9.52 0.03 57388 -93.47 0.30 -9.45 0.03 57389 -93.58 0.30 -9.38 0.15 57390 -93.73 0.11 -9.36 0.02 57391 -93.87 0.11 -9.36 0.02 57392 -93.97 0.11 -9.30 0.02 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 57379 -0.073 0.119 -0.196 0.010 57380 -0.079 0.119 -0.172 0.010 57381 -0.076 0.119 -0.151 0.010 57382 -0.065 0.119 -0.113 0.150 57383 -0.053 0.119 -0.079 0.030 57384 -0.038 0.119 -0.056 0.030 57385 -0.033 0.119 -0.036 0.030 57386 -0.039 0.119 -0.022 0.030 57387 -0.044 0.119 -0.003 0.030 57388 -0.046 0.119 0.002 0.030 57389 -0.049 0.119 0.006 0.150 57390 -0.053 0.044 0.011 0.020 57391 -0.062 0.044 -0.005 0.020 57392 -0.071 0.044 -0.041 0.020 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).