BULLETIN B 385 1 March 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 0.054 0.038 0.0089 0.025 0.061 2020 1 2 58850 74.635 282.666 -177.5806 0.353 0.081 0.057 0.039 0.0115 0.068 0.098 2020 1 3 58851 72.663 283.156 -178.1029 0.403 0.107 0.057 0.040 0.0115 0.069 0.097 2020 1 4 58852 71.338 284.013 -178.6507 0.347 0.116 0.057 0.040 0.0115 0.070 0.095 2020 1 5 58853 70.121 284.887 -179.1377 0.252 0.119 0.056 0.039 0.0112 0.071 0.093 2020 1 6 58854 68.393 285.277 -179.4674 0.156 0.121 0.056 0.039 0.0111 0.072 0.090 2020 1 7 58855 66.587 285.482 -179.6058 0.061 0.123 0.056 0.039 0.0110 0.072 0.088 2020 1 8 58856 64.905 285.932 -179.5597 -0.034 0.125 0.056 0.039 0.0109 0.073 0.087 2020 1 9 58857 63.591 286.537 -179.3746 0.013 0.098 0.056 0.039 0.0108 0.074 0.084 2020 1 10 58858 62.631 287.462 -179.1201 0.100 0.061 0.056 0.039 0.0101 0.067 0.073 2020 1 11 58859 61.854 288.667 -178.8961 0.127 0.051 0.055 0.039 0.0099 0.067 0.071 2020 1 12 58860 61.134 289.907 -178.8057 0.131 0.051 0.055 0.039 0.0092 0.063 0.067 2020 1 13 58861 60.864 291.018 -178.9353 0.135 0.051 0.054 0.039 0.0091 0.063 0.065 2020 1 14 58862 60.557 292.386 -179.3255 0.139 0.051 0.054 0.039 0.0089 0.063 0.063 2020 1 15 58863 59.588 293.794 -179.9543 0.165 0.017 0.054 0.039 0.0087 0.063 0.061 2020 1 16 58864 58.520 295.343 -180.7846 0.197 -0.025 0.054 0.039 0.0086 0.063 0.059 2020 1 17 58865 57.430 296.819 -181.7437 0.228 -0.067 0.054 0.039 0.0085 0.063 0.058 2020 1 18 58866 56.515 297.636 -182.7608 0.220 -0.058 0.053 0.039 0.0081 0.062 0.054 2020 1 19 58867 55.634 298.582 -183.7339 0.197 -0.028 0.053 0.038 0.0080 0.060 0.051 2020 1 20 58868 54.617 299.454 -184.5425 0.174 0.001 0.052 0.038 0.0078 0.060 0.049 2020 1 21 58869 53.801 300.237 -185.2307 0.151 0.030 0.052 0.038 0.0077 0.060 0.048 2020 1 22 58870 53.291 301.127 -185.7979 0.128 0.060 0.052 0.038 0.0075 0.060 0.046 2020 1 23 58871 52.614 302.499 -186.1858 0.140 0.070 0.052 0.038 0.0074 0.060 0.044 2020 1 24 58872 51.936 303.633 -186.4849 0.162 0.074 0.052 0.038 0.0072 0.060 0.042 2020 1 25 58873 51.962 304.754 -186.7980 0.171 0.069 0.052 0.038 0.0072 0.061 0.042 2020 1 26 58874 51.490 306.333 -187.1883 0.175 0.061 0.053 0.038 0.0073 0.061 0.042 2020 1 27 58875 50.497 307.400 -187.6942 0.179 0.053 0.053 0.038 0.0073 0.061 0.042 2020 1 28 58876 49.394 308.669 -188.3288 0.183 0.045 0.053 0.038 0.0073 0.062 0.042 2020 1 29 58877 48.387 310.117 -189.0555 0.188 0.036 0.053 0.038 0.0073 0.062 0.042 2020 1 30 58878 47.051 311.690 -189.8021 0.192 0.028 0.053 0.038 0.0073 0.063 0.042 2020 1 31 58879 45.723 312.908 -190.5245 0.196 0.020 0.053 0.039 0.0073 0.063 0.042 2020 2 1 58880 44.449 314.419 -191.1724 0.215 0.031 0.054 0.039 0.0074 0.064 0.043 Preliminary extension 2020 2 2 58881 43.497 316.013 -191.7210 0.239 0.049 0.054 0.039 0.0075 0.065 0.045 2020 2 3 58882 42.695 317.697 -192.1731 0.264 0.067 0.055 0.039 0.0077 0.066 0.048 2020 2 4 58883 42.239 319.395 -192.5139 0.288 0.085 0.055 0.040 0.0079 0.067 0.050 2020 2 5 58884 42.153 321.256 -192.7347 0.293 0.072 0.056 0.040 0.0081 0.068 0.053 2020 2 6 58885 41.383 322.860 -192.8580 0.294 0.051 0.056 0.041 0.0084 0.070 0.057 2020 2 7 58886 40.088 323.992 -192.9342 0.294 0.030 0.057 0.041 0.0088 0.071 0.060 2020 2 8 58887 38.718 324.829 -193.0247 0.271 0.001 0.058 0.042 0.0091 0.072 0.064 2020 2 9 58888 37.929 325.324 -193.2659 0.239 -0.030 0.059 0.043 0.0096 0.074 0.069 2020 2 10 58889 37.655 325.963 -193.7893 0.207 -0.062 0.061 0.044 0.0100 0.075 0.074 2020 2 11 58890 37.325 327.338 -194.5862 0.175 -0.094 0.062 0.045 0.0105 0.077 0.080 2020 2 12 58891 37.429 328.615 -195.5476 0.197 -0.010 0.064 0.046 0.0110 0.500 0.500 2020 2 13 58892 37.448 330.267 -196.5382 0.196 -0.016 0.065 0.047 0.0115 0.500 0.500 2020 2 14 58893 36.570 331.934 -197.4183 0.197 -0.023 0.067 0.048 0.0121 0.500 0.500 2020 2 15 58894 34.893 333.318 -198.1045 0.197 -0.026 0.070 0.050 0.0126 0.500 0.500 2020 2 16 58895 33.000 334.034 -198.6023 0.195 -0.023 0.045 0.031 0.0115 0.500 0.500 2020 2 17 58896 31.488 334.908 -198.9290 0.193 -0.017 0.046 0.031 0.0118 0.500 0.500 2020 2 18 58897 30.577 336.025 -199.0964 0.193 -0.011 0.046 0.032 0.0121 0.500 0.500 2020 2 19 58898 30.264 337.653 -199.1439 0.196 -0.007 0.047 0.032 0.0125 0.500 0.500 2020 2 20 58899 29.576 339.026 -199.1411 0.201 -0.006 0.048 0.033 0.0128 0.500 0.500 2020 2 21 58900 28.478 340.024 -199.2397 0.206 -0.005 0.049 0.033 0.0132 0.500 0.500 2020 2 22 58901 27.412 340.790 -199.4985 0.209 -0.003 0.050 0.034 0.0136 0.500 0.500 2020 2 23 58902 26.916 341.615 -199.9586 0.212 -0.003 0.051 0.034 0.0140 0.500 0.500 2020 2 24 58903 26.968 342.720 -200.5625 0.216 -0.006 0.052 0.035 0.0143 0.500 0.500 2020 2 25 58904 27.340 344.655 -201.2493 0.223 -0.016 0.053 0.035 0.0147 0.500 0.500 2020 2 26 58905 27.851 346.680 -201.9662 0.231 -0.030 0.054 0.036 0.0151 0.500 0.500 2020 2 27 58906 28.449 348.943 -202.7274 0.240 -0.042 0.055 0.036 0.0155 0.500 0.500 2020 2 28 58907 28.676 351.191 -203.5051 0.246 -0.046 0.056 0.037 0.0159 0.500 0.500 2020 2 29 58908 28.292 353.298 -204.2552 0.247 -0.041 0.058 0.038 0.0163 0.500 0.500 2020 3 1 58909 27.599 355.207 -204.8704 0.247 -0.029 0.058 0.038 0.0167 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 1 2 58850 -108.679 -6.596 0.171 0.098 2020 1 3 58851 -108.559 -6.619 0.173 0.097 2020 1 4 58852 -108.639 -6.518 0.176 0.095 2020 1 5 58853 -108.871 -6.262 0.178 0.093 2020 1 6 58854 -109.217 -5.943 0.181 0.090 2020 1 7 58855 -109.617 -5.720 0.181 0.088 2020 1 8 58856 -110.004 -5.729 0.184 0.087 2020 1 9 58857 -109.985 -6.015 0.186 0.084 2020 1 10 58858 -109.744 -6.423 0.168 0.073 2020 1 11 58859 -109.407 -6.683 0.168 0.071 2020 1 12 58860 -108.860 -6.663 0.158 0.067 2020 1 13 58861 -108.248 -6.438 0.158 0.065 2020 1 14 58862 -107.853 -6.222 0.158 0.063 2020 1 15 58863 -107.732 -6.198 0.158 0.061 2020 1 16 58864 -107.832 -6.307 0.158 0.059 2020 1 17 58865 -108.029 -6.425 0.158 0.058 2020 1 18 58866 -108.356 -6.451 0.156 0.054 2020 1 19 58867 -108.739 -6.434 0.151 0.051 2020 1 20 58868 -109.063 -6.416 0.151 0.049 2020 1 21 58869 -109.183 -6.390 0.151 0.048 2020 1 22 58870 -109.022 -6.369 0.151 0.046 2020 1 23 58871 -108.610 -6.412 0.151 0.044 2020 1 24 58872 -108.236 -6.517 0.151 0.042 2020 1 25 58873 -108.083 -6.636 0.153 0.042 2020 1 26 58874 -108.083 -6.697 0.153 0.042 2020 1 27 58875 -108.140 -6.700 0.153 0.042 2020 1 28 58876 -108.240 -6.719 0.156 0.042 2020 1 29 58877 -108.360 -6.809 0.156 0.042 2020 1 30 58878 -108.397 -6.930 0.158 0.042 2020 1 31 58879 -108.267 -6.999 0.158 0.042 2020 2 1 58880 -108.032 -6.957 0.161 0.043 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 1 2 58850 0.4667 0.0127 15.04106709742 0.00000000221 2020 1 3 58851 0.4803 0.0127 15.04106709506 0.00000000221 2020 1 4 58852 0.4801 0.0128 15.04106709509 0.00000000223 2020 1 5 58853 0.4064 0.0124 15.04106710792 0.00000000216 2020 1 6 58854 0.2265 0.0124 15.04106713924 0.00000000216 2020 1 7 58855 0.0717 0.0125 15.04106716619 0.00000000218 2020 1 8 58856 -0.0717 0.0125 15.04106719115 0.00000000218 2020 1 9 58857 -0.2132 0.0126 15.04106721579 0.00000000219 2020 1 10 58858 -0.2979 0.0126 15.04106723053 0.00000000219 2020 1 11 58859 -0.2007 0.0127 15.04106721361 0.00000000221 2020 1 12 58860 -0.0038 0.0123 15.04106717933 0.00000000214 2020 1 13 58861 0.2968 0.0123 15.04106712700 0.00000000214 2020 1 14 58862 0.5750 0.0124 15.04106707857 0.00000000216 2020 1 15 58863 0.7465 0.0124 15.04106704871 0.00000000216 2020 1 16 58864 0.8774 0.0124 15.04106702593 0.00000000216 2020 1 17 58865 1.0052 0.0124 15.04106700368 0.00000000216 2020 1 18 58866 1.0297 0.0125 15.04106699941 0.00000000218 2020 1 19 58867 0.9318 0.0122 15.04106701646 0.00000000212 2020 1 20 58868 0.7783 0.0122 15.04106704318 0.00000000212 2020 1 21 58869 0.5888 0.0122 15.04106707617 0.00000000212 2020 1 22 58870 0.4483 0.0122 15.04106710063 0.00000000212 2020 1 23 58871 0.3249 0.0123 15.04106712211 0.00000000214 2020 1 24 58872 0.2652 0.0123 15.04106713250 0.00000000214 2020 1 25 58873 0.3674 0.0123 15.04106711471 0.00000000214 2020 1 26 58874 0.4472 0.0124 15.04106710082 0.00000000216 2020 1 27 58875 0.5698 0.0124 15.04106707948 0.00000000216 2020 1 28 58876 0.6650 0.0124 15.04106706290 0.00000000216 2020 1 29 58877 0.7281 0.0125 15.04106705192 0.00000000218 2020 1 30 58878 0.7331 0.0125 15.04106705105 0.00000000218 2020 1 31 58879 0.6996 0.0126 15.04106705688 0.00000000219 2020 2 1 58880 0.5990 0.0127 15.04106707439 0.00000000221 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [58850-58880] No leap second introduced during period [58850-58880] 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 61 70 3 - 15 36 5 58851.27 to 58879.27 39 108 4 - 41 18 GSFC gsf2019a.eoxy 0 0 0 0 0 0 0 00000.00 to 00000.00 0 0 0 0 0 0 IAA iaa2007a.eops 79 82 4 - 23 56 8 58851.27 to 58879.27 108 103 9 - 78 36 USNO usn2019c.eoxy 58 54 3 - 21 51 3 58851.27 to 58858.27 69 99 8 - 84 44 IVS * ivs14r1X.eops 35 24 1 - 9 21 8 58851.27 to 58879.27 22 79 4 - 4 3 VLBI Intensive GSI * gsiint2c.eopi - - 9 - - - 8 58852.33 to 58874.33 - - 31 - - - BKG * bkgint14.eopi - - 13 - - - 27 58850.79 to 58879.80 - - 31 - - - GSFC * gsf2019a.eopi - - 15 - - - 12 58850.34 to 58862.79 - - 50 - - - IAA * iaa2019a.eopi - - 13 - - - 35 58850.34 to 58879.80 - - 30 - - - USNO * usnouint.data - - 12 - - - 26 58850.79 to 58879.80 - - 25 - - - GPS CODE COD*ERP_R 5 5 - 0 - - 29 58850.50 to 58879.50 35 34 - 11 - - JPL jpl*.erp 10 10 - 5 - - 30 58850.50 to 58879.50 32 45 - 18 - - GFZ gfz*.erp 4 4 - 1 - - 30 58850.50 to 58879.50 49 37 - 13 - - ESOC esa*.erp 8 8 - 3 - - 30 58850.50 to 58879.50 36 31 - 12 - - SIO sio*.erp siu*.erp 41 46 - 15 - - 30 58850.50 to 58879.50 50 38 - 22 - - EMR emr*.erp 3 3 - 0 - - 30 58850.50 to 58879.50 45 39 - 13 - - IAA gnss.res 0 0 - 0 - - 30 58850.50 to 58879.50 454 234 - 990 - - GRGS grg*.erp 60 60 - 0 - - 30 58850.50 to 58879.50 40 37 - 9 - - ASI asi*.erp 7 7 - 0 - - 23 58850.50 to 58879.50 40 41 - 49 - - MIT mit*.erp 12 12 - 1 - - 30 58850.50 to 58879.50 38 43 - 13 - - IGR * igs96p02.erp 15 15 - 2 - - 30 58850.50 to 58879.50 35 27 - 10 - - IGS * igs00p03.erp 3 3 - 0 - - 30 58850.50 to 58879.50 36 31 - 13 - - SLR MCC tg*.02 150 181 - 31 - - 31 58850.00 to 58880.00 151 121 - 96 - - IAA slr_v.dat 52 61 - 4 - - 31 58850.00 to 58880.00 160 219 - 27 - - ASI slr_oca*.eop 59 65 - 15 - - 30 58850.50 to 58879.50 145 132 - 59 - - ILRS * ilrsa.eop 38 42 - 6 - - 30 58850.50 to 58879.50 88 155 - 20 - - BULLETIN A NEOS mark3.out 37 26 5 - - - 31 58850.00 to 58880.00 51 48 21 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html