BULLETIN B 392 1 October 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 0.046 0.031 0.0115 0.037 0.096 2020 8 2 59063 202.618 394.109 -207.0472 -0.023 0.054 0.046 0.031 0.0105 0.080 0.075 2020 8 3 59064 203.857 393.712 -206.0676 0.012 0.025 0.046 0.031 0.0105 0.081 0.075 2020 8 4 59065 204.978 393.256 -205.2248 0.047 -0.005 0.046 0.031 0.0105 0.082 0.075 2020 8 5 59066 206.149 392.575 -204.4963 0.070 -0.035 0.046 0.031 0.0103 0.076 0.069 2020 8 6 59067 207.131 391.715 -203.8968 0.105 -0.011 0.046 0.031 0.0120 0.086 0.101 2020 8 7 59068 207.997 390.904 -203.4232 0.133 -0.010 0.046 0.031 0.0121 0.087 0.103 2020 8 8 59069 208.823 389.508 -203.0598 0.144 -0.031 0.046 0.031 0.0122 0.088 0.103 2020 8 9 59070 209.912 388.019 -202.7319 0.150 -0.059 0.046 0.031 0.0118 0.088 0.101 2020 8 10 59071 210.987 386.680 -202.3438 0.156 -0.088 0.046 0.031 0.0118 0.089 0.101 2020 8 11 59072 212.000 385.344 -201.8452 0.161 -0.117 0.046 0.031 0.0118 0.090 0.101 2020 8 12 59073 213.138 383.934 -201.2087 0.167 -0.145 0.046 0.031 0.0118 0.091 0.101 2020 8 13 59074 214.369 382.229 -200.4326 0.154 -0.124 0.046 0.031 0.0116 0.092 0.100 2020 8 14 59075 215.208 380.501 -199.5089 0.136 -0.091 0.046 0.031 0.0115 0.092 0.098 2020 8 15 59076 215.710 379.116 -198.4422 0.130 -0.093 0.046 0.032 0.0114 0.093 0.096 2020 8 16 59077 216.181 377.875 -197.2937 0.128 -0.110 0.046 0.031 0.0125 0.100 0.111 2020 8 17 59078 216.815 377.092 -196.1824 0.127 -0.126 0.046 0.031 0.0124 0.101 0.110 2020 8 18 59079 217.198 376.427 -195.1499 0.126 -0.142 0.046 0.031 0.0123 0.102 0.109 2020 8 19 59080 217.097 375.794 -194.2910 0.125 -0.159 0.046 0.031 0.0121 0.104 0.108 2020 8 20 59081 216.740 374.898 -193.6905 0.176 -0.131 0.046 0.031 0.0121 0.105 0.109 2020 8 21 59082 216.769 373.565 -193.3538 0.242 -0.091 0.046 0.031 0.0115 0.094 0.098 2020 8 22 59083 216.932 371.778 -193.2222 0.218 -0.080 0.046 0.032 0.0114 0.095 0.097 2020 8 23 59084 217.582 370.156 -193.1667 0.162 -0.080 0.046 0.032 0.0113 0.095 0.095 2020 8 24 59085 218.416 368.645 -193.0381 0.105 -0.080 0.046 0.032 0.0111 0.096 0.094 2020 8 25 59086 218.823 367.384 -192.7121 0.049 -0.079 0.046 0.032 0.0110 0.097 0.092 2020 8 26 59087 218.848 366.011 -192.1165 0.066 -0.068 0.046 0.032 0.0110 0.097 0.093 2020 8 27 59088 218.546 364.970 -191.2427 0.103 -0.054 0.046 0.032 0.0111 0.098 0.094 2020 8 28 59089 218.440 363.723 -190.1405 0.140 -0.041 0.047 0.033 0.0111 0.099 0.095 2020 8 29 59090 218.165 363.211 -188.8898 0.155 -0.037 0.047 0.033 0.0111 0.100 0.095 2020 8 30 59091 217.514 362.269 -187.6055 0.161 -0.037 0.047 0.034 0.0111 0.100 0.094 2020 8 31 59092 216.811 361.587 -186.4054 0.167 -0.038 0.048 0.034 0.0111 0.101 0.093 2020 9 1 59093 215.881 360.613 -185.3449 0.174 -0.038 0.048 0.034 0.0110 0.102 0.093 Preliminary extension 2020 9 2 59094 214.876 359.412 -184.4298 0.194 -0.046 0.048 0.035 0.0110 0.103 0.092 2020 9 3 59095 214.044 357.795 -183.6639 0.219 -0.055 0.048 0.035 0.0110 0.103 0.092 2020 9 4 59096 213.251 356.060 -183.0161 0.243 -0.065 0.049 0.035 0.0110 0.104 0.091 2020 9 5 59097 212.812 354.343 -182.4371 0.226 -0.068 0.049 0.036 0.0110 0.105 0.091 2020 9 6 59098 212.271 353.222 -181.8662 0.194 -0.067 0.050 0.036 0.0110 0.106 0.091 2020 9 7 59099 211.822 351.732 -181.2830 0.161 -0.067 0.050 0.037 0.0110 0.106 0.091 2020 9 8 59100 211.183 350.384 -180.6506 0.128 -0.067 0.051 0.037 0.0109 0.107 0.091 2020 9 9 59101 210.955 349.347 -179.9388 0.096 -0.067 0.052 0.038 0.0109 0.108 0.091 2020 9 10 59102 210.848 348.859 -179.1115 0.063 -0.067 0.054 0.039 0.0108 0.109 0.092 2020 9 11 59103 210.968 348.255 -178.3359 0.031 -0.067 0.055 0.040 0.0108 0.109 0.092 2020 9 12 59104 210.246 347.704 -177.5324 0.000 0.000 0.057 0.041 0.0109 0.111 0.096 2020 9 13 59105 209.386 346.421 -176.7484 0.076 -0.003 0.043 0.029 0.0069 0.041 0.042 2020 9 14 59106 208.578 345.566 -176.1147 0.094 0.002 0.044 0.030 0.0071 0.041 0.044 2020 9 15 59107 207.984 344.185 -175.7059 0.112 0.008 0.045 0.031 0.0072 0.042 0.045 2020 9 16 59108 207.723 342.829 -175.5582 0.116 -0.018 0.046 0.031 0.0074 0.500 0.500 2020 9 17 59109 207.750 341.507 -175.6892 0.115 -0.023 0.047 0.032 0.0076 0.500 0.500 2020 9 18 59110 207.450 340.138 -175.9958 0.109 -0.028 0.048 0.033 0.0078 0.500 0.500 2020 9 19 59111 206.719 338.652 -176.4174 0.101 -0.032 0.048 0.033 0.0080 0.500 0.500 2020 9 20 59112 205.681 337.312 -176.7950 0.093 -0.033 0.049 0.034 0.0082 0.500 0.500 2020 9 21 59113 204.593 336.015 -176.9946 0.087 -0.030 0.050 0.034 0.0085 0.500 0.500 2020 9 22 59114 203.320 335.090 -176.9861 0.087 -0.022 0.051 0.035 0.0087 0.500 0.500 2020 9 23 59115 202.305 334.034 -176.8057 0.090 -0.011 0.051 0.035 0.0090 0.500 0.500 2020 9 24 59116 201.298 333.095 -176.4636 0.098 -0.001 0.052 0.036 0.0092 0.500 0.500 2020 9 25 59117 200.047 331.869 -176.0264 0.109 0.005 0.053 0.036 0.0095 0.500 0.500 2020 9 26 59118 198.602 330.666 -175.5806 0.119 0.003 0.054 0.037 0.0098 0.500 0.500 2020 9 27 59119 197.243 329.243 -175.0398 0.129 -0.005 0.055 0.038 0.0100 0.500 0.500 2020 9 28 59120 196.059 328.015 -174.4902 0.135 -0.013 0.055 0.038 0.0104 0.500 0.500 2020 9 29 59121 195.007 326.615 -174.0282 0.139 -0.018 0.056 0.039 0.0107 0.500 0.500 2020 9 30 59122 193.994 325.471 -173.7163 0.140 -0.016 0.057 0.039 0.0111 0.500 0.500 2020 10 1 59123 193.399 324.179 -173.5075 0.140 -0.011 0.058 0.039 0.0115 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 8 2 59063 -116.313 -10.143 0.201 0.075 2020 8 3 59064 -115.999 -10.304 0.204 0.075 2020 8 4 59065 -115.820 -10.417 0.206 0.075 2020 8 5 59066 -115.822 -10.413 0.191 0.069 2020 8 6 59067 -115.918 -10.256 0.216 0.101 2020 8 7 59068 -116.119 -10.122 0.219 0.103 2020 8 8 59069 -116.352 -10.085 0.221 0.103 2020 8 9 59070 -116.452 -10.101 0.221 0.101 2020 8 10 59071 -116.397 -10.079 0.224 0.101 2020 8 11 59072 -116.403 -9.990 0.226 0.101 2020 8 12 59073 -116.711 -9.911 0.229 0.101 2020 8 13 59074 -117.327 -9.896 0.231 0.100 2020 8 14 59075 -117.862 -10.008 0.231 0.098 2020 8 15 59076 -117.969 -10.237 0.234 0.096 2020 8 16 59077 -117.717 -10.478 0.251 0.111 2020 8 17 59078 -117.371 -10.634 0.254 0.110 2020 8 18 59079 -117.086 -10.634 0.256 0.109 2020 8 19 59080 -116.860 -10.461 0.261 0.108 2020 8 20 59081 -116.609 -10.181 0.264 0.109 2020 8 21 59082 -116.544 -10.025 0.236 0.098 2020 8 22 59083 -116.942 -10.120 0.239 0.097 2020 8 23 59084 -117.491 -10.324 0.239 0.095 2020 8 24 59085 -117.919 -10.436 0.241 0.094 2020 8 25 59086 -118.176 -10.397 0.244 0.092 2020 8 26 59087 -118.185 -10.279 0.244 0.093 2020 8 27 59088 -118.184 -10.178 0.246 0.094 2020 8 28 59089 -118.198 -10.125 0.249 0.095 2020 8 29 59090 -118.156 -10.142 0.251 0.095 2020 8 30 59091 -117.960 -10.232 0.251 0.094 2020 8 31 59092 -117.679 -10.343 0.254 0.093 2020 9 1 59093 -117.461 -10.354 0.256 0.093 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 8 2 59063 -1.0157 0.0121 15.04106735549 0.00000000211 2020 8 3 59064 -0.9380 0.0121 15.04106734196 0.00000000211 2020 8 4 59065 -0.7909 0.0122 15.04106731636 0.00000000212 2020 8 5 59066 -0.6824 0.0123 15.04106729747 0.00000000214 2020 8 6 59067 -0.5592 0.0119 15.04106727602 0.00000000207 2020 8 7 59068 -0.4263 0.0119 15.04106725288 0.00000000207 2020 8 8 59069 -0.3350 0.0120 15.04106723699 0.00000000209 2020 8 9 59070 -0.3316 0.0117 15.04106723640 0.00000000204 2020 8 10 59071 -0.4217 0.0117 15.04106725208 0.00000000204 2020 8 11 59072 -0.5731 0.0118 15.04106727844 0.00000000205 2020 8 12 59073 -0.7229 0.0118 15.04106730452 0.00000000205 2020 8 13 59074 -0.8567 0.0118 15.04106732781 0.00000000205 2020 8 14 59075 -0.9856 0.0119 15.04106735025 0.00000000207 2020 8 15 59076 -1.0961 0.0119 15.04106736949 0.00000000207 2020 8 16 59077 -1.1496 0.0117 15.04106737880 0.00000000204 2020 8 17 59078 -1.0903 0.0117 15.04106736848 0.00000000204 2020 8 18 59079 -0.9586 0.0117 15.04106734555 0.00000000204 2020 8 19 59080 -0.7516 0.0118 15.04106730951 0.00000000205 2020 8 20 59081 -0.4787 0.0118 15.04106726201 0.00000000205 2020 8 21 59082 -0.2135 0.0119 15.04106721584 0.00000000207 2020 8 22 59083 -0.0596 0.0119 15.04106718905 0.00000000207 2020 8 23 59084 -0.0886 0.0120 15.04106719409 0.00000000209 2020 8 24 59085 -0.2269 0.0120 15.04106721817 0.00000000209 2020 8 25 59086 -0.4672 0.0121 15.04106726000 0.00000000211 2020 8 26 59087 -0.7331 0.0121 15.04106730629 0.00000000211 2020 8 27 59088 -0.9808 0.0122 15.04106734941 0.00000000212 2020 8 28 59089 -1.1595 0.0123 15.04106738052 0.00000000214 2020 8 29 59090 -1.2629 0.0123 15.04106739852 0.00000000214 2020 8 30 59091 -1.2607 0.0124 15.04106739814 0.00000000216 2020 8 31 59092 -1.1535 0.0125 15.04106737948 0.00000000218 2020 9 1 59093 -0.9756 0.0126 15.04106734851 0.00000000219 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [59063-59093] No leap second introduced during period [59063-59093] 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 69 75 3 - 19 45 4 59068.27 to 59089.27 36 51 10 - 18 33 GSFC gsf2020a.eoxy 64 60 4 14 18 51 9 59065.21 to 59089.27 201 183 16 16 45 55 IAA iaa2007a.eops 56 57 3 - 16 42 8 59065.21 to 59089.27 192 242 21 - 65 51 USNO usn2020b.eoxy 43 40 3 - 16 44 8 59065.21 to 59089.27 99 100 18 - 16 39 IVS * ivs14r1X.eops 48 43 3 - 12 35 8 59065.22 to 59089.27 99 66 20 - 9 6 VLBI Intensive GSI * gsiint2c.eopi - - 13 - - - 7 59063.33 to 59091.33 - - 23 - - - BKG * bkgint14.eopi - - 13 - - - 24 59063.33 to 59092.79 - - 25 - - - GSFC * gsf2020a.eopi - - 14 - - - 29 59063.33 to 59092.79 - - 30 - - - IAA * iaa2019a.eopi - - 13 - - - 29 59063.33 to 59092.79 - - 22 - - - PUL pul2010a.eopi - - NaN - - - 0 00000.00 to 00000.00 - - 0 - - - USNO * usnouint.data - - 12 - - - 26 59063.33 to 59092.79 - - 27 - - - GPS CODE COD*ERP_R 6 6 - 0 - - 29 59063.50 to 59092.50 37 26 - 13 - - JPL jpl*.erp 10 12 - 6 - - 30 59063.50 to 59092.50 32 28 - 20 - - GFZ gfz*.erp 4 5 - 1 - - 30 59063.50 to 59092.50 33 31 - 10 - - ESOC esa*.erp 8 9 - 3 - - 30 59063.50 to 59092.50 36 29 - 8 - - SIO sio*.erp siu*.erp 37 32 - 6 - - 12 59063.50 to 59092.50 47 27 - 8 - - EMR emr*.erp 3 3 - 1 - - 30 59063.50 to 59092.50 65 47 - 14 - - IAA gnss.res 0 0 - 0 - - 30 59063.50 to 59092.50 38 63 - 21 - - GRGS grg*.erp 63 63 - 0 - - 30 59063.50 to 59092.50 30 27 - 11 - - ASI asi*.erp 9 9 - 0 - - 24 59063.50 to 59090.50 50 40 - 0 - - MIT mit*.erp 12 12 - 2 - - 30 59063.50 to 59092.50 29 24 - 13 - - IGR * igs96p02.erp 13 10 - 3 - - 30 59063.50 to 59092.50 34 21 - 8 - - IGS * igs00p03.erp 3 3 - 0 - - 30 59063.50 to 59092.50 28 23 - 11 - - SLR MCC tg*.02 162 191 - 26 - - 31 59063.00 to 59093.00 115 108 - 239 - - IAA slr_v.dat 64 78 - 4 - - 30 59064.00 to 59093.00 184 229 - 23 - - ASI slr_oca*.eop 0 NaN - 0 - - 0 00000.00 to 00000.00 0 0 - 0 - - ILRS * ilrsa.eop 43 51 - 7 - - 30 59063.50 to 59092.50 127 121 - 19 - - BULLETIN A NEOS mark3.out 25 26 7 - - - 31 59063.00 to 59093.00 50 45 14 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html