BULLETIN B 387 4 May 2020 Contents are described in ftp://hpiers.obspm.fr/iers/bul/bulb_new/bulletinb.pdf 1 - DAILY FINAL VALUES OF x, y, UT1-UTC, dX, dY Angular unit is milliarcsecond (mas), time unit is millisecond (ms). Upgraded solution from March 1 2017 - consistent with ITRF 2014. DATE MJD x y UT1-UTC dX dY x err y err UT1 err dX err dY err (0 h UTC) mas mas ms mas mas mas mas ms mas mas Final values Mean formal error 0.053 0.038 0.0065 0.025 0.055 2020 3 2 58910 27.052 357.171 -205.5930 0.061 -0.015 0.056 0.039 0.0095 0.070 0.088 2020 3 3 58911 26.374 359.002 -206.1635 0.090 -0.029 0.056 0.039 0.0094 0.071 0.089 2020 3 4 58912 26.040 360.668 -206.6763 0.090 -0.006 0.056 0.039 0.0093 0.071 0.088 2020 3 5 58913 26.271 362.020 -207.1658 0.083 0.026 0.056 0.039 0.0092 0.072 0.087 2020 3 6 58914 26.971 363.910 -207.6964 0.075 0.058 0.056 0.039 0.0089 0.070 0.083 2020 3 7 58915 27.743 365.695 -208.3559 0.049 0.050 0.056 0.039 0.0087 0.071 0.081 2020 3 8 58916 28.156 367.442 -209.2279 0.016 0.026 0.056 0.038 0.0081 0.066 0.075 2020 3 9 58917 28.068 369.116 -210.3544 -0.017 0.003 0.055 0.038 0.0077 0.067 0.073 2020 3 10 58918 28.186 370.679 -211.7167 -0.050 -0.020 0.055 0.039 0.0075 0.067 0.071 2020 3 11 58919 28.655 372.325 -213.2290 -0.012 0.001 0.055 0.039 0.0073 0.067 0.068 2020 3 12 58920 29.168 373.782 -214.7503 0.045 0.034 0.055 0.039 0.0071 0.067 0.065 2020 3 13 58921 30.390 375.474 -216.1386 0.102 0.067 0.054 0.039 0.0069 0.067 0.063 2020 3 14 58922 31.837 377.519 -217.2921 0.092 0.111 0.054 0.039 0.0067 0.064 0.057 2020 3 15 58923 33.166 379.483 -218.1787 0.059 0.160 0.053 0.038 0.0062 0.059 0.053 2020 3 16 58924 34.196 380.925 -218.8244 0.026 0.209 0.053 0.038 0.0060 0.059 0.050 2020 3 17 58925 34.810 382.174 -219.2893 -0.007 0.257 0.052 0.038 0.0057 0.058 0.048 2020 3 18 58926 35.518 383.028 -219.6482 -0.015 0.152 0.052 0.038 0.0056 0.057 0.045 2020 3 19 58927 36.746 383.993 -219.9551 -0.016 0.005 0.052 0.038 0.0054 0.057 0.043 2020 3 20 58928 38.706 385.063 -220.2542 -0.017 -0.143 0.051 0.038 0.0053 0.057 0.041 2020 3 21 58929 40.911 386.045 -220.5675 -0.013 -0.159 0.051 0.038 0.0052 0.057 0.040 2020 3 22 58930 42.767 387.279 -220.9353 -0.008 -0.127 0.051 0.038 0.0051 0.057 0.038 2020 3 23 58931 43.796 388.552 -221.3969 -0.002 -0.096 0.050 0.038 0.0049 0.057 0.037 2020 3 24 58932 44.596 389.940 -221.9350 0.004 -0.064 0.050 0.038 0.0048 0.056 0.035 2020 3 25 58933 44.822 391.441 -222.4998 -0.025 -0.023 0.050 0.038 0.0048 0.056 0.036 2020 3 26 58934 44.447 393.068 -223.0586 -0.062 0.021 0.050 0.038 0.0049 0.057 0.037 2020 3 27 58935 43.820 394.134 -223.5768 -0.099 0.065 0.051 0.038 0.0050 0.057 0.037 2020 3 28 58936 44.678 395.036 -224.0270 -0.091 0.067 0.051 0.038 0.0051 0.057 0.038 2020 3 29 58937 45.811 396.474 -224.3985 -0.065 0.053 0.051 0.038 0.0052 0.058 0.038 2020 3 30 58938 47.066 397.981 -224.6996 -0.039 0.038 0.051 0.038 0.0052 0.058 0.039 2020 3 31 58939 48.786 399.658 -224.9459 -0.013 0.024 0.052 0.038 0.0053 0.059 0.039 2020 4 1 58940 50.873 401.240 -225.1677 -0.019 -0.007 0.052 0.038 0.0054 0.060 0.040 Preliminary extension 2020 4 2 58941 52.629 403.274 -225.4275 -0.033 -0.043 0.053 0.038 0.0056 0.060 0.041 2020 4 3 58942 54.045 405.201 -225.8108 -0.047 -0.080 0.053 0.039 0.0057 0.061 0.042 2020 4 4 58943 54.939 406.879 -226.4131 -0.042 -0.057 0.054 0.039 0.0059 0.062 0.043 2020 4 5 58944 55.448 407.948 -227.3108 -0.030 -0.013 0.054 0.039 0.0060 0.062 0.044 2020 4 6 58945 55.942 408.915 -228.5296 -0.018 0.032 0.055 0.039 0.0061 0.063 0.045 2020 4 7 58946 56.202 409.418 -230.0133 -0.005 0.076 0.055 0.039 0.0063 0.064 0.046 2020 4 8 58947 56.867 409.951 -231.6181 0.038 0.012 0.055 0.040 0.0064 0.064 0.046 2020 4 9 58948 57.726 410.982 -233.1940 0.089 -0.080 0.056 0.040 0.0065 0.065 0.046 2020 4 10 58949 58.113 412.055 -234.6309 0.079 -0.071 0.056 0.040 0.0067 0.066 0.047 2020 4 11 58950 58.566 412.943 -235.7588 0.046 -0.024 0.057 0.040 0.0068 0.067 0.049 2020 4 12 58951 59.057 414.030 -236.6098 0.013 0.022 0.057 0.041 0.0069 0.068 0.050 2020 4 13 58952 59.805 415.374 -237.2074 -0.019 0.069 0.058 0.042 0.0070 0.069 0.052 2020 4 14 58953 60.918 416.776 -237.5996 -0.052 0.116 0.059 0.042 0.0071 0.070 0.053 2020 4 15 58954 62.146 418.046 -237.8591 -0.085 0.163 0.060 0.043 0.0072 0.071 0.055 2020 4 16 58955 62.853 419.714 -238.0355 0.036 0.069 0.062 0.045 0.0075 0.072 0.058 2020 4 17 58956 63.924 421.358 -238.2368 0.199 -0.062 0.064 0.046 0.0078 0.073 0.062 2020 4 18 58957 64.490 423.077 -238.5501 0.000 0.000 0.066 0.048 0.0081 0.075 0.067 2020 4 19 58958 64.316 424.255 -239.0153 2.224 1.502 0.047 0.031 0.0079 0.041 0.039 2020 4 20 58959 63.747 425.151 -239.4957 3.387 2.493 0.048 0.032 0.0082 0.042 0.042 2020 4 21 58960 63.142 425.931 -239.9896 4.549 3.484 0.049 0.033 0.0085 0.043 0.045 2020 4 22 58961 63.226 426.511 -240.4778 1.970 1.158 0.050 0.033 0.0088 0.500 0.500 2020 4 23 58962 64.174 427.385 -240.9283 1.327 0.785 0.050 0.034 0.0091 0.500 0.500 2020 4 24 58963 65.452 428.308 -241.3520 0.757 0.463 0.051 0.034 0.0094 0.500 0.500 2020 4 25 58964 67.020 429.350 -241.6901 0.487 0.318 0.052 0.035 0.0097 0.500 0.500 2020 4 26 58965 68.387 430.786 -241.8633 0.536 0.347 0.053 0.035 0.0100 0.500 0.500 2020 4 27 58966 69.326 432.013 -241.9663 0.738 0.445 0.054 0.036 0.0103 0.500 0.500 2020 4 28 58967 70.543 432.912 -242.0334 0.882 0.492 0.055 0.037 0.0107 0.500 0.500 2020 4 29 58968 72.198 433.759 -242.1119 0.858 0.442 0.056 0.037 0.0111 0.500 0.500 2020 4 30 58969 74.118 434.658 -242.2219 0.714 0.341 0.057 0.038 0.0115 0.500 0.500 2020 5 1 58970 75.783 435.916 -242.4483 0.586 0.275 0.058 0.039 0.0119 0.500 0.500 2 - DAILY FINAL VALUES OF CELESTIAL POLE OFFSETS dPsi1980 & dEps1980 dPsi1980 dEps1980 ....dPsi,dEps / IAU 1980 precession-nutation model Description : ftp://hpiers.obspm.fr/iers/bul/bulb_new/bulletinb.pdf The Reference Systems are described in the 2006 IERS Annual Report. DATE MJD dPsi1980 dEps1980 sig dPsi sig dEps (0 h UTC) mas mas mas mas 2020 3 2 58910 -107.618 -8.141 0.176 0.088 2020 3 3 58911 -107.667 -8.239 0.178 0.089 2020 3 4 58912 -107.675 -8.191 0.178 0.088 2020 3 5 58913 -107.792 -8.157 0.181 0.087 2020 3 6 58914 -108.125 -8.377 0.176 0.083 2020 3 7 58915 -108.350 -8.872 0.178 0.081 2020 3 8 58916 -107.965 -9.254 0.166 0.075 2020 3 9 58917 -107.107 -9.201 0.168 0.073 2020 3 10 58918 -106.499 -8.856 0.168 0.071 2020 3 11 58919 -106.433 -8.568 0.168 0.068 2020 3 12 58920 -106.813 -8.530 0.168 0.065 2020 3 13 58921 -107.160 -8.597 0.168 0.063 2020 3 14 58922 -107.352 -8.624 0.161 0.057 2020 3 15 58923 -107.339 -8.667 0.148 0.053 2020 3 16 58924 -107.299 -8.785 0.148 0.050 2020 3 17 58925 -107.403 -8.896 0.146 0.048 2020 3 18 58926 -107.525 -9.057 0.143 0.045 2020 3 19 58927 -107.478 -9.188 0.143 0.043 2020 3 20 58928 -107.167 -9.328 0.143 0.041 2020 3 21 58929 -106.746 -9.328 0.143 0.040 2020 3 22 58930 -106.488 -9.174 0.143 0.038 2020 3 23 58931 -106.488 -8.903 0.143 0.037 2020 3 24 58932 -106.628 -8.656 0.141 0.035 2020 3 25 58933 -106.814 -8.589 0.141 0.036 2020 3 26 58934 -106.872 -8.706 0.143 0.037 2020 3 27 58935 -106.797 -8.875 0.143 0.037 2020 3 28 58936 -106.602 -9.048 0.143 0.038 2020 3 29 58937 -106.510 -9.240 0.146 0.038 2020 3 30 58938 -106.577 -9.482 0.146 0.039 2020 3 31 58939 -106.605 -9.694 0.148 0.039 2020 4 1 58940 -106.503 -9.774 0.151 0.040 3 - EARTH ANGULAR VELOCITY : DAILY FINAL VALUES OF LOD, OMEGA AT 0hUTC LOD : Excess of the Length of day - 86400 s TAI OMEGA : Earth angular velocity Description: ftp://hpiers.obspm.fr/iers/bul/bulb_new/bulletinb.pdf DATE MJD LOD sigma OMEGA sigma (0 h UTC) ms ms mas/ms mas/ms 2020 3 2 58910 0.5935 0.0123 15.04106707535 0.00000000214 2020 3 3 58911 0.5165 0.0124 15.04106708875 0.00000000216 2020 3 4 58912 0.4635 0.0124 15.04106709798 0.00000000216 2020 3 5 58913 0.5028 0.0125 15.04106709114 0.00000000218 2020 3 6 58914 0.6226 0.0126 15.04106707028 0.00000000219 2020 3 7 58915 0.8000 0.0123 15.04106703940 0.00000000214 2020 3 8 58916 0.9841 0.0124 15.04106700735 0.00000000216 2020 3 9 58917 1.2166 0.0124 15.04106696688 0.00000000216 2020 3 10 58918 1.4868 0.0125 15.04106691984 0.00000000218 2020 3 11 58919 1.5777 0.0126 15.04106690401 0.00000000219 2020 3 12 58920 1.4394 0.0126 15.04106692809 0.00000000219 2020 3 13 58921 1.2287 0.0127 15.04106696477 0.00000000221 2020 3 14 58922 0.9841 0.0128 15.04106700735 0.00000000223 2020 3 15 58923 0.7350 0.0125 15.04106705072 0.00000000218 2020 3 16 58924 0.5614 0.0125 15.04106708094 0.00000000218 2020 3 17 58925 0.4298 0.0126 15.04106710385 0.00000000219 2020 3 18 58926 0.3245 0.0126 15.04106712218 0.00000000219 2020 3 19 58927 0.2934 0.0127 15.04106712759 0.00000000221 2020 3 20 58928 0.3209 0.0127 15.04106712281 0.00000000221 2020 3 21 58929 0.3708 0.0128 15.04106711412 0.00000000223 2020 3 22 58930 0.4059 0.0125 15.04106710801 0.00000000218 2020 3 23 58931 0.4873 0.0126 15.04106709384 0.00000000219 2020 3 24 58932 0.5568 0.0126 15.04106708174 0.00000000219 2020 3 25 58933 0.5687 0.0127 15.04106707967 0.00000000221 2020 3 26 58934 0.5606 0.0127 15.04106708108 0.00000000221 2020 3 27 58935 0.4715 0.0127 15.04106709659 0.00000000221 2020 3 28 58936 0.4307 0.0128 15.04106710369 0.00000000223 2020 3 29 58937 0.3247 0.0128 15.04106712214 0.00000000223 2020 3 30 58938 0.2583 0.0129 15.04106713370 0.00000000225 2020 3 31 58939 0.2069 0.0129 15.04106714265 0.00000000225 2020 4 1 58940 0.2524 0.0130 15.04106713473 0.00000000226 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [58910-58940] No leap second introduced during period [58910-58940] All information concerning time scales : - leap seconds announcements : Bulletin C - DUT1 announcements (UT1-UTC with 0.1 s accuracy) : Bulletin D can be found at : - web site : http://hpiers.obspm.fr/eop-pc/ - anonymous ftp://hpiers.obspm.fr/iers/ 5 - SUMMARY OF CONTRIBUTED EARTH ORIENTATION PARAMETERS SERIES This section gives the average precision of the individual series, some of them contributing to the combination (*) and their average agreement with it. The period covered is that one of Bulletin B. Units : micro-arc-seconds for x/y/dX/dY micro-seconds for UT1/LOD ----------------------------------------------------------------------------- EOP series first line : Mean formal uncertainty Periods covered second line : Weighted RMS agreement with Bulletin B ----------------------------------------------------------------------------- x y UT1 LOD dX dY Data Number VLBI Standards BKG bkg00014.eops 62 71 3 - 14 36 4 58914.27 to 58935.27 109 106 4 - 40 50 GSFC gsf2019d.eoxy 37 36 2 5 11 28 9 58911.21 to 58939.21 79 47 4 16 50 67 IAA iaa2007a.eops 38 43 2 - 11 30 9 58911.21 to 58939.21 203 189 10 - 68 85 USNO usn2020a.eoxy 31 32 1 - 12 33 9 58911.21 to 58939.21 96 48 4 - 60 81 IVS * ivs14r1X.eops 30 25 1 - 7 20 9 58911.20 to 58939.22 43 46 2 - 4 9 VLBI Intensive GSI * gsiint2c.eopi - - 8 - - - 7 58915.33 to 58937.33 - - 30 - - - BKG * bkgint14.eopi - - 15 - - - 29 58910.79 to 58939.79 - - 25 - - - GSFC * gsf2019d.eopi - - 13 - - - 38 58910.31 to 58939.79 - - 38 - - - IAA * iaa2019a.eopi - - 13 - - - 38 58910.31 to 58939.79 - - 32 - - - USNO * usnouint.data - - 14 - - - 33 58910.31 to 58939.79 - - 35 - - - GPS CODE COD*ERP_R 5 5 - 1 - - 30 58910.50 to 58939.50 51 31 - 10 - - JPL jpl*.erp 9 10 - 8 - - 30 58910.50 to 58939.50 60 39 - 17 - - GFZ gfz*.erp 4 4 - 1 - - 30 58910.50 to 58939.50 54 43 - 13 - - ESOC esa*.erp 7 9 - 4 - - 30 58910.50 to 58939.50 52 32 - 11 - - SIO sio*.erp siu*.erp 38 47 - 17 - - 30 58910.50 to 58939.50 62 49 - 19 - - EMR emr*.erp 3 3 - 1 - - 30 58910.50 to 58939.50 55 49 - 13 - - IAA gnss.res 0 0 - 0 - - 30 58910.50 to 58939.50 66 63 - 30 - - GRGS grg*.erp 58 58 - 0 - - 24 58916.50 to 58939.50 57 35 - 9 - - ASI asi*.erp 9 9 - 0 - - 29 58910.50 to 58939.50 97 43 - 36 - - MIT mit*.erp 12 12 - 1 - - 30 58910.50 to 58939.50 58 37 - 16 - - IGR * igs96p02.erp 14 13 - 2 - - 30 58910.50 to 58939.50 46 32 - 13 - - IGS * igs00p03.erp 3 3 - 0 - - 30 58910.50 to 58939.50 55 34 - 14 - - SLR MCC tg*.02 173 234 - 29 - - 20 58910.00 to 58929.00 97 161 - 124 - - IAA slr_v.dat 67 91 - 5 - - 28 58910.00 to 58940.00 293 289 - 37 - - ASI slr_oca*.eop 66 97 - 20 - - 30 58910.50 to 58939.50 160 281 - 67 - - ILRS * ilrsa.eop 43 59 - 8 - - 30 58910.50 to 58939.50 214 265 - 24 - - BULLETIN A NEOS mark3.out 31 27 4 - - - 31 58910.00 to 58940.00 71 36 18 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html