********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 30 May 2013 Vol. XXVI No. 022 ______________________________________________________________________ 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 11 April 2013 at 0000 UTC Beginning 1 July 2012: TAI-UTC = 35.000 000 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 * *********************************************************************** ________________________________________________________________________ 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 13 5 24 56436 0.10068 .00010 0.40706 .00009 0.081735 0.000007 13 5 25 56437 0.10160 .00010 0.40721 .00009 0.080521 0.000007 13 5 26 56438 0.10234 .00010 0.40725 .00009 0.079450 0.000012 13 5 27 56439 0.10295 .00010 0.40724 .00009 0.078479 0.000013 13 5 28 56440 0.10357 .00010 0.40720 .00009 0.077556 0.000012 13 5 29 56441 0.10422 .00010 0.40718 .00010 0.076653 0.000011 13 5 30 56442 0.10487 .00010 0.40714 .00009 0.075763 0.000012 _______________________________________________________________________ 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 = 0.0930 - 0.0227 cos A + 0.1370 sin A + 0.0385 cos C - 0.0607 sin C y = 0.3449 + 0.1200 cos A + 0.0219 sin A - 0.0607 cos C - 0.0385 sin C UT1-UTC = 0.1005 - 0.00100 (MJD - 56450) - (UT2-UT1) where A = 2*pi*(MJD-56442)/365.25 and C = 2*pi*(MJD-56442)/435. TAI-UTC(MJD 56443) = 35.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-56442)**0.80 S t = 0.00025 (MJD-56442)**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) 2013 5 31 56443 0.1058 0.4070 0.07482 2013 6 1 56444 0.1069 0.4069 0.07390 2013 6 2 56445 0.1082 0.4068 0.07307 2013 6 3 56446 0.1096 0.4066 0.07235 2013 6 4 56447 0.1110 0.4065 0.07174 2013 6 5 56448 0.1125 0.4064 0.07125 2013 6 6 56449 0.1139 0.4063 0.07090 2013 6 7 56450 0.1154 0.4061 0.07067 2013 6 8 56451 0.1168 0.4059 0.07055 2013 6 9 56452 0.1183 0.4057 0.07052 2013 6 10 56453 0.1197 0.4055 0.07055 2013 6 11 56454 0.1212 0.4053 0.07054 2013 6 12 56455 0.1226 0.4050 0.07045 2013 6 13 56456 0.1241 0.4047 0.07021 2013 6 14 56457 0.1255 0.4044 0.06979 2013 6 15 56458 0.1270 0.4041 0.06921 2013 6 16 56459 0.1285 0.4037 0.06851 2013 6 17 56460 0.1300 0.4033 0.06771 2013 6 18 56461 0.1315 0.4028 0.06687 2013 6 19 56462 0.1330 0.4024 0.06605 2013 6 20 56463 0.1346 0.4019 0.06530 2013 6 21 56464 0.1361 0.4014 0.06466 2013 6 22 56465 0.1376 0.4008 0.06412 2013 6 23 56466 0.1391 0.4002 0.06362 2013 6 24 56467 0.1405 0.3996 0.06311 2013 6 25 56468 0.1420 0.3990 0.06252 2013 6 26 56469 0.1435 0.3984 0.06182 2013 6 27 56470 0.1450 0.3977 0.06104 2013 6 28 56471 0.1464 0.3970 0.06022 2013 6 29 56472 0.1479 0.3963 0.05943 2013 6 30 56473 0.1493 0.3955 0.05875 2013 7 1 56474 0.1507 0.3947 0.05821 2013 7 2 56475 0.1521 0.3939 0.05782 2013 7 3 56476 0.1535 0.3931 0.05760 2013 7 4 56477 0.1549 0.3923 0.05752 2013 7 5 56478 0.1563 0.3914 0.05756 2013 7 6 56479 0.1576 0.3905 0.05768 2013 7 7 56480 0.1589 0.3896 0.05783 2013 7 8 56481 0.1603 0.3886 0.05796 2013 7 9 56482 0.1616 0.3877 0.05804 2013 7 10 56483 0.1628 0.3867 0.05802 2013 7 11 56484 0.1641 0.3857 0.05789 2013 7 12 56485 0.1653 0.3846 0.05765 2013 7 13 56486 0.1666 0.3836 0.05730 2013 7 14 56487 0.1678 0.3825 0.05688 2013 7 15 56488 0.1690 0.3814 0.05644 2013 7 16 56489 0.1701 0.3803 0.05601 2013 7 17 56490 0.1713 0.3792 0.05565 2013 7 18 56491 0.1724 0.3780 0.05536 2013 7 19 56492 0.1735 0.3768 0.05516 2013 7 20 56493 0.1746 0.3756 0.05501 2013 7 21 56494 0.1756 0.3744 0.05485 2013 7 22 56495 0.1766 0.3732 0.05461 2013 7 23 56496 0.1776 0.3719 0.05422 2013 7 24 56497 0.1786 0.3707 0.05368 2013 7 25 56498 0.1796 0.3694 0.05304 2013 7 26 56499 0.1805 0.3681 0.05236 2013 7 27 56500 0.1814 0.3668 0.05173 2013 7 28 56501 0.1823 0.3655 0.05122 2013 7 29 56502 0.1831 0.3641 0.05085 2013 7 30 56503 0.1840 0.3628 0.05064 2013 7 31 56504 0.1848 0.3614 0.05058 2013 8 1 56505 0.1855 0.3600 0.05063 2013 8 2 56506 0.1863 0.3586 0.05077 2013 8 3 56507 0.1870 0.3572 0.05096 2013 8 4 56508 0.1877 0.3558 0.05113 2013 8 5 56509 0.1884 0.3543 0.05124 2013 8 6 56510 0.1890 0.3529 0.05126 2013 8 7 56511 0.1896 0.3514 0.05116 2013 8 8 56512 0.1902 0.3499 0.05093 2013 8 9 56513 0.1907 0.3485 0.05058 2013 8 10 56514 0.1912 0.3470 0.05014 2013 8 11 56515 0.1917 0.3455 0.04963 2013 8 12 56516 0.1922 0.3440 0.04911 2013 8 13 56517 0.1926 0.3424 0.04862 2013 8 14 56518 0.1930 0.3409 0.04819 2013 8 15 56519 0.1934 0.3394 0.04783 2013 8 16 56520 0.1937 0.3378 0.04751 2013 8 17 56521 0.1940 0.3363 0.04718 2013 8 18 56522 0.1943 0.3347 0.04678 2013 8 19 56523 0.1945 0.3332 0.04624 2013 8 20 56524 0.1947 0.3316 0.04554 2013 8 21 56525 0.1949 0.3301 0.04468 2013 8 22 56526 0.1951 0.3285 0.04373 2013 8 23 56527 0.1952 0.3269 0.04277 2013 8 24 56528 0.1953 0.3253 0.04187 2013 8 25 56529 0.1953 0.3238 0.04110 2013 8 26 56530 0.1953 0.3222 0.04048 2013 8 27 56531 0.1953 0.3206 0.04001 2013 8 28 56532 0.1953 0.3190 0.03965 2013 8 29 56533 0.1952 0.3174 0.03938 2013 8 30 56534 0.1951 0.3158 0.03916 2013 8 31 56535 0.1950 0.3143 0.03894 2013 9 1 56536 0.1948 0.3127 0.03866 2013 9 2 56537 0.1946 0.3111 0.03830 2013 9 3 56538 0.1944 0.3095 0.03781 2013 9 4 56539 0.1941 0.3080 0.03718 2013 9 5 56540 0.1938 0.3064 0.03642 2013 9 6 56541 0.1935 0.3048 0.03554 2013 9 7 56542 0.1931 0.3032 0.03459 2013 9 8 56543 0.1927 0.3017 0.03362 2013 9 9 56544 0.1923 0.3001 0.03268 2013 9 10 56545 0.1918 0.2986 0.03181 2013 9 11 56546 0.1914 0.2970 0.03101 2013 9 12 56547 0.1908 0.2955 0.03028 2013 9 13 56548 0.1903 0.2940 0.02956 2013 9 14 56549 0.1897 0.2925 0.02879 2013 9 15 56550 0.1891 0.2909 0.02791 2013 9 16 56551 0.1885 0.2894 0.02685 2013 9 17 56552 0.1878 0.2879 0.02564 2013 9 18 56553 0.1871 0.2865 0.02428 2013 9 19 56554 0.1863 0.2850 0.02286 2013 9 20 56555 0.1856 0.2835 0.02145 2013 9 21 56556 0.1848 0.2821 0.02012 2013 9 22 56557 0.1840 0.2806 0.01892 2013 9 23 56558 0.1831 0.2792 0.01787 2013 9 24 56559 0.1822 0.2778 0.01695 2013 9 25 56560 0.1813 0.2764 0.01613 2013 9 26 56561 0.1804 0.2750 0.01537 2013 9 27 56562 0.1794 0.2736 0.01463 2013 9 28 56563 0.1784 0.2722 0.01385 2013 9 29 56564 0.1774 0.2709 0.01300 2013 9 30 56565 0.1763 0.2696 0.01204 2013 10 1 56566 0.1752 0.2683 0.01095 2013 10 2 56567 0.1741 0.2670 0.00972 2013 10 3 56568 0.1730 0.2657 0.00837 2013 10 4 56569 0.1718 0.2644 0.00693 2013 10 5 56570 0.1706 0.2632 0.00545 2013 10 6 56571 0.1694 0.2619 0.00398 2013 10 7 56572 0.1681 0.2607 0.00259 2013 10 8 56573 0.1669 0.2595 0.00129 2013 10 9 56574 0.1656 0.2584 0.00009 2013 10 10 56575 0.1643 0.2572 -0.00107 2013 10 11 56576 0.1629 0.2561 -0.00222 2013 10 12 56577 0.1616 0.2550 -0.00345 2013 10 13 56578 0.1602 0.2539 -0.00478 2013 10 14 56579 0.1587 0.2528 -0.00625 2013 10 15 56580 0.1573 0.2518 -0.00784 2013 10 16 56581 0.1558 0.2507 -0.00950 2013 10 17 56582 0.1544 0.2497 -0.01116 2013 10 18 56583 0.1529 0.2487 -0.01277 2013 10 19 56584 0.1513 0.2478 -0.01427 2013 10 20 56585 0.1498 0.2469 -0.01562 2013 10 21 56586 0.1482 0.2459 -0.01683 2013 10 22 56587 0.1466 0.2451 -0.01791 2013 10 23 56588 0.1450 0.2442 -0.01891 2013 10 24 56589 0.1434 0.2434 -0.01986 2013 10 25 56590 0.1418 0.2425 -0.02082 2013 10 26 56591 0.1401 0.2418 -0.02183 2013 10 27 56592 0.1384 0.2410 -0.02291 2013 10 28 56593 0.1367 0.2403 -0.02410 2013 10 29 56594 0.1350 0.2396 -0.02542 2013 10 30 56595 0.1333 0.2389 -0.02684 2013 10 31 56596 0.1316 0.2382 -0.02837 2013 11 1 56597 0.1298 0.2376 -0.02995 2013 11 2 56598 0.1280 0.2370 -0.03154 2013 11 3 56599 0.1262 0.2364 -0.03308 2013 11 4 56600 0.1244 0.2359 -0.03453 2013 11 5 56601 0.1226 0.2354 -0.03588 2013 11 6 56602 0.1208 0.2349 -0.03715 2013 11 7 56603 0.1190 0.2344 -0.03840 2013 11 8 56604 0.1171 0.2340 -0.03968 2013 11 9 56605 0.1153 0.2336 -0.04105 2013 11 10 56606 0.1134 0.2332 -0.04253 2013 11 11 56607 0.1115 0.2329 -0.04410 2013 11 12 56608 0.1096 0.2325 -0.04573 2013 11 13 56609 0.1077 0.2323 -0.04736 2013 11 14 56610 0.1058 0.2320 -0.04894 2013 11 15 56611 0.1039 0.2318 -0.05041 2013 11 16 56612 0.1020 0.2316 -0.05175 2013 11 17 56613 0.1001 0.2314 -0.05295 2013 11 18 56614 0.0981 0.2313 -0.05401 2013 11 19 56615 0.0962 0.2312 -0.05498 2013 11 20 56616 0.0943 0.2311 -0.05588 2013 11 21 56617 0.0923 0.2311 -0.05677 2013 11 22 56618 0.0904 0.2310 -0.05769 2013 11 23 56619 0.0884 0.2311 -0.05866 2013 11 24 56620 0.0865 0.2311 -0.05973 2013 11 25 56621 0.0845 0.2312 -0.06091 2013 11 26 56622 0.0826 0.2313 -0.06220 2013 11 27 56623 0.0806 0.2314 -0.06359 2013 11 28 56624 0.0787 0.2316 -0.06506 2013 11 29 56625 0.0767 0.2318 -0.06657 2013 11 30 56626 0.0748 0.2320 -0.06809 2013 12 1 56627 0.0728 0.2323 -0.06956 2013 12 2 56628 0.0709 0.2326 -0.07096 2013 12 3 56629 0.0690 0.2329 -0.07229 2013 12 4 56630 0.0670 0.2333 -0.07360 2013 12 5 56631 0.0651 0.2337 -0.07495 2013 12 6 56632 0.0632 0.2341 -0.07638 2013 12 7 56633 0.0612 0.2345 -0.07791 2013 12 8 56634 0.0593 0.2350 -0.07952 2013 12 9 56635 0.0574 0.2355 -0.08114 2013 12 10 56636 0.0555 0.2361 -0.08272 2013 12 11 56637 0.0536 0.2366 -0.08418 2013 12 12 56638 0.0517 0.2372 -0.08549 2013 12 13 56639 0.0499 0.2379 -0.08664 2013 12 14 56640 0.0480 0.2385 -0.08764 2013 12 15 56641 0.0462 0.2392 -0.08852 2013 12 16 56642 0.0443 0.2399 -0.08931 2013 12 17 56643 0.0425 0.2407 -0.09007 2013 12 18 56644 0.0407 0.2415 -0.09084 2013 12 19 56645 0.0389 0.2423 -0.09165 2013 12 20 56646 0.0371 0.2431 -0.09255 2013 12 21 56647 0.0353 0.2440 -0.09354 2013 12 22 56648 0.0335 0.2449 -0.09465 2013 12 23 56649 0.0318 0.2458 -0.09586 2013 12 24 56650 0.0301 0.2468 -0.09717 2013 12 25 56651 0.0283 0.2477 -0.09853 2013 12 26 56652 0.0266 0.2487 -0.09992 2013 12 27 56653 0.0250 0.2498 -0.10128 2013 12 28 56654 0.0233 0.2508 -0.10255 2013 12 29 56655 0.0217 0.2519 -0.10369 2013 12 30 56656 0.0200 0.2530 -0.10469 2013 12 31 56657 0.0184 0.2542 -0.10557 2014 1 1 56658 0.0168 0.2554 -0.10639 2014 1 2 56659 0.0153 0.2566 -0.10723 2014 1 3 56660 0.0137 0.2578 -0.10816 2014 1 4 56661 0.0122 0.2590 -0.10925 2014 1 5 56662 0.0107 0.2603 -0.11047 2014 1 6 56663 0.0092 0.2616 -0.11173 2014 1 7 56664 0.0078 0.2629 -0.11298 2014 1 8 56665 0.0064 0.2642 -0.11413 2014 1 9 56666 0.0050 0.2656 -0.11510 2014 1 10 56667 0.0036 0.2670 -0.11589 2014 1 11 56668 0.0022 0.2684 -0.11655 2014 1 12 56669 0.0009 0.2698 -0.11707 2014 1 13 56670 -0.0004 0.2713 -0.11749 2014 1 14 56671 -0.0017 0.2728 -0.11783 2014 1 15 56672 -0.0029 0.2743 -0.11816 2014 1 16 56673 -0.0042 0.2758 -0.11851 2014 1 17 56674 -0.0054 0.2773 -0.11893 2014 1 18 56675 -0.0065 0.2789 -0.11939 2014 1 19 56676 -0.0077 0.2805 -0.11992 2014 1 20 56677 -0.0088 0.2820 -0.12052 2014 1 21 56678 -0.0099 0.2837 -0.12116 2014 1 22 56679 -0.0109 0.2853 -0.12189 2014 1 23 56680 -0.0119 0.2869 -0.12264 2014 1 24 56681 -0.0129 0.2886 -0.12340 2014 1 25 56682 -0.0139 0.2903 -0.12419 2014 1 26 56683 -0.0148 0.2920 -0.12494 2014 1 27 56684 -0.0157 0.2937 -0.12568 2014 1 28 56685 -0.0166 0.2955 -0.12644 2014 1 29 56686 -0.0174 0.2972 -0.12728 2014 1 30 56687 -0.0182 0.2990 -0.12825 2014 1 31 56688 -0.0190 0.3007 -0.12938 2014 2 1 56689 -0.0197 0.3025 -0.13069 2014 2 2 56690 -0.0204 0.3043 -0.13212 2014 2 3 56691 -0.0211 0.3061 -0.13354 2014 2 4 56692 -0.0217 0.3080 -0.13486 2014 2 5 56693 -0.0223 0.3098 -0.13601 2014 2 6 56694 -0.0229 0.3117 -0.13699 2014 2 7 56695 -0.0234 0.3135 -0.13784 2014 2 8 56696 -0.0239 0.3154 -0.13859 2014 2 9 56697 -0.0244 0.3173 -0.13924 2014 2 10 56698 -0.0248 0.3191 -0.13987 2014 2 11 56699 -0.0252 0.3210 -0.14057 2014 2 12 56700 -0.0255 0.3229 -0.14138 2014 2 13 56701 -0.0258 0.3248 -0.14233 2014 2 14 56702 -0.0261 0.3268 -0.14339 2014 2 15 56703 -0.0264 0.3287 -0.14459 2014 2 16 56704 -0.0266 0.3306 -0.14584 2014 2 17 56705 -0.0267 0.3325 -0.14710 2014 2 18 56706 -0.0269 0.3345 -0.14836 2014 2 19 56707 -0.0270 0.3364 -0.14963 2014 2 20 56708 -0.0270 0.3384 -0.15087 2014 2 21 56709 -0.0271 0.3403 -0.15204 2014 2 22 56710 -0.0271 0.3422 -0.15325 2014 2 23 56711 -0.0270 0.3442 -0.15447 2014 2 24 56712 -0.0269 0.3461 -0.15568 2014 2 25 56713 -0.0268 0.3481 -0.15699 2014 2 26 56714 -0.0266 0.3500 -0.15842 2014 2 27 56715 -0.0264 0.3520 -0.16005 2014 2 28 56716 -0.0262 0.3539 -0.16184 2014 3 1 56717 -0.0259 0.3559 -0.16371 2014 3 2 56718 -0.0256 0.3578 -0.16563 2014 3 3 56719 -0.0253 0.3597 -0.16752 2014 3 4 56720 -0.0249 0.3617 -0.16929 2014 3 5 56721 -0.0245 0.3636 -0.17086 2014 3 6 56722 -0.0240 0.3655 -0.17221 2014 3 7 56723 -0.0235 0.3674 -0.17346 2014 3 8 56724 -0.0230 0.3694 -0.17459 2014 3 9 56725 -0.0224 0.3713 -0.17563 2014 3 10 56726 -0.0218 0.3732 -0.17672 2014 3 11 56727 -0.0212 0.3751 -0.17788 2014 3 12 56728 -0.0205 0.3769 -0.17907 2014 3 13 56729 -0.0198 0.3788 -0.18033 2014 3 14 56730 -0.0190 0.3807 -0.18173 2014 3 15 56731 -0.0182 0.3825 -0.18323 2014 3 16 56732 -0.0174 0.3844 -0.18485 2014 3 17 56733 -0.0166 0.3862 -0.18651 2014 3 18 56734 -0.0157 0.3880 -0.18815 2014 3 19 56735 -0.0147 0.3898 -0.18970 2014 3 20 56736 -0.0138 0.3916 -0.19113 2014 3 21 56737 -0.0128 0.3934 -0.19250 2014 3 22 56738 -0.0117 0.3951 -0.19380 2014 3 23 56739 -0.0107 0.3969 -0.19509 2014 3 24 56740 -0.0096 0.3986 -0.19637 2014 3 25 56741 -0.0084 0.4003 -0.19773 2014 3 26 56742 -0.0072 0.4020 -0.19922 2014 3 27 56743 -0.0060 0.4037 -0.20087 2014 3 28 56744 -0.0048 0.4054 -0.20268 2014 3 29 56745 -0.0035 0.4071 -0.20464 2014 3 30 56746 -0.0022 0.4087 -0.20664 2014 3 31 56747 -0.0009 0.4103 -0.20860 2014 4 1 56748 0.0005 0.4119 -0.21042 2014 4 2 56749 0.0019 0.4135 -0.21207 2014 4 3 56750 0.0033 0.4150 -0.21360 2014 4 4 56751 0.0048 0.4165 -0.21502 2014 4 5 56752 0.0063 0.4181 -0.21631 2014 4 6 56753 0.0078 0.4195 -0.21754 2014 4 7 56754 0.0093 0.4210 -0.21878 2014 4 8 56755 0.0109 0.4224 -0.22011 2014 4 9 56756 0.0125 0.4239 -0.22156 2014 4 10 56757 0.0142 0.4253 -0.22309 2014 4 11 56758 0.0158 0.4266 -0.22469 2014 4 12 56759 0.0175 0.4280 -0.22643 2014 4 13 56760 0.0193 0.4293 -0.22824 2014 4 14 56761 0.0210 0.4306 -0.23009 2014 4 15 56762 0.0228 0.4319 -0.23190 2014 4 16 56763 0.0246 0.4331 -0.23364 2014 4 17 56764 0.0264 0.4343 -0.23530 2014 4 18 56765 0.0283 0.4355 -0.23687 2014 4 19 56766 0.0301 0.4367 -0.23832 2014 4 20 56767 0.0320 0.4378 -0.23974 2014 4 21 56768 0.0340 0.4389 -0.24119 2014 4 22 56769 0.0359 0.4400 -0.24272 2014 4 23 56770 0.0379 0.4410 -0.24441 2014 4 24 56771 0.0399 0.4420 -0.24626 2014 4 25 56772 0.0419 0.4430 -0.24824 2014 4 26 56773 0.0439 0.4440 -0.25026 2014 4 27 56774 0.0460 0.4449 -0.25219 2014 4 28 56775 0.0481 0.4458 -0.25401 2014 4 29 56776 0.0501 0.4467 -0.25560 2014 4 30 56777 0.0523 0.4475 -0.25694 2014 5 1 56778 0.0544 0.4483 -0.25812 2014 5 2 56779 0.0565 0.4491 -0.25914 2014 5 3 56780 0.0587 0.4498 -0.26002 2014 5 4 56781 0.0609 0.4505 -0.26094 2014 5 5 56782 0.0631 0.4512 -0.26189 2014 5 6 56783 0.0653 0.4518 -0.26284 2014 5 7 56784 0.0675 0.4524 -0.26383 2014 5 8 56785 0.0697 0.4530 -0.26482 2014 5 9 56786 0.0720 0.4535 -0.26585 2014 5 10 56787 0.0743 0.4540 -0.26687 2014 5 11 56788 0.0765 0.4545 -0.26790 2014 5 12 56789 0.0788 0.4549 -0.26896 2014 5 13 56790 0.0811 0.4553 -0.26997 2014 5 14 56791 0.0834 0.4557 -0.27090 2014 5 15 56792 0.0857 0.4560 -0.27174 2014 5 16 56793 0.0881 0.4563 -0.27249 2014 5 17 56794 0.0904 0.4565 -0.27318 2014 5 18 56795 0.0927 0.4568 -0.27391 2014 5 19 56796 0.0951 0.4569 -0.27474 2014 5 20 56797 0.0974 0.4571 -0.27565 2014 5 21 56798 0.0998 0.4572 -0.27669 2014 5 22 56799 0.1022 0.4573 -0.27784 2014 5 23 56800 0.1045 0.4573 -0.27901 2014 5 24 56801 0.1069 0.4573 -0.28018 2014 5 25 56802 0.1093 0.4573 -0.28132 2014 5 26 56803 0.1116 0.4572 -0.28240 2014 5 27 56804 0.1140 0.4571 -0.28334 2014 5 28 56805 0.1164 0.4570 -0.28416 2014 5 29 56806 0.1188 0.4568 -0.28487 2014 5 30 56807 0.1211 0.4566 -0.28544 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) 56421 -74.51 0.20 -13.21 0.06 56422 -74.55 0.20 -13.37 0.06 56423 -74.51 0.20 -13.54 0.06 56424 -74.42 0.17 -13.66 0.05 56425 -74.28 0.17 -13.72 0.05 56426 -74.18 0.30 -13.77 0.02 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 56421 0.124 0.080 -0.118 0.060 56422 0.148 0.080 -0.116 0.060 56423 0.170 0.080 -0.112 0.060 56424 0.185 0.068 -0.128 0.050 56425 0.203 0.068 -0.159 0.050 56426 0.221 0.119 -0.189 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).