BULLETIN B 388 1 June 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 0.036 0.0063 0.024 0.047 2020 4 2 58941 52.653 403.240 -225.4211 -0.033 -0.044 0.052 0.037 0.0053 0.059 0.042 2020 4 3 58942 54.027 405.231 -225.8088 -0.047 -0.080 0.052 0.037 0.0054 0.060 0.043 2020 4 4 58943 54.964 406.848 -226.4201 -0.042 -0.057 0.052 0.037 0.0056 0.061 0.044 2020 4 5 58944 55.428 407.980 -227.3265 -0.030 -0.013 0.052 0.037 0.0057 0.060 0.044 2020 4 6 58945 55.966 408.880 -228.5432 -0.018 0.032 0.053 0.037 0.0057 0.060 0.044 2020 4 7 58946 56.183 409.449 -230.0159 -0.006 0.077 0.053 0.037 0.0058 0.060 0.045 2020 4 8 58947 56.906 409.913 -231.6246 -0.029 0.058 0.053 0.037 0.0059 0.061 0.046 2020 4 9 58948 57.714 411.016 -233.2083 -0.060 0.022 0.053 0.037 0.0060 0.062 0.046 2020 4 10 58949 58.140 412.006 -234.6158 -0.072 0.032 0.053 0.036 0.0060 0.062 0.046 2020 4 11 58950 58.541 412.979 -235.7568 -0.076 0.059 0.053 0.036 0.0060 0.059 0.044 2020 4 12 58951 59.089 413.985 -236.6150 -0.080 0.086 0.052 0.036 0.0060 0.059 0.044 2020 4 13 58952 59.763 415.408 -237.2105 -0.084 0.113 0.052 0.036 0.0060 0.060 0.043 2020 4 14 58953 60.958 416.729 -237.5994 -0.087 0.140 0.052 0.036 0.0060 0.060 0.043 2020 4 15 58954 62.096 418.082 -237.8589 -0.091 0.167 0.052 0.036 0.0059 0.061 0.043 2020 4 16 58955 62.913 419.660 -238.0460 -0.006 0.081 0.053 0.036 0.0060 0.062 0.044 2020 4 17 58956 63.849 421.394 -238.2560 0.103 -0.036 0.053 0.036 0.0061 0.062 0.045 2020 4 18 58957 64.558 422.987 -238.5852 0.102 -0.020 0.053 0.036 0.0062 0.061 0.045 2020 4 19 58958 64.398 424.255 -239.0202 0.059 0.044 0.053 0.036 0.0062 0.060 0.046 2020 4 20 58959 63.813 425.119 -239.5002 0.017 0.109 0.053 0.036 0.0063 0.061 0.047 2020 4 21 58960 63.199 425.896 -239.9975 -0.025 0.173 0.053 0.036 0.0065 0.062 0.049 2020 4 22 58961 63.315 426.486 -240.5026 0.012 0.088 0.053 0.036 0.0065 0.061 0.049 2020 4 23 58962 64.228 427.345 -240.9715 0.072 -0.038 0.053 0.036 0.0067 0.062 0.050 2020 4 24 58963 65.516 428.239 -241.3900 0.062 -0.060 0.054 0.036 0.0068 0.062 0.051 2020 4 25 58964 67.096 429.317 -241.6851 0.027 -0.043 0.054 0.036 0.0069 0.063 0.052 2020 4 26 58965 68.449 430.778 -241.8475 -0.009 -0.026 0.055 0.037 0.0070 0.064 0.053 2020 4 27 58966 69.359 431.976 -241.9828 -0.044 -0.008 0.055 0.037 0.0070 0.064 0.054 2020 4 28 58967 70.656 432.907 -242.0713 -0.080 0.009 0.055 0.037 0.0071 0.065 0.055 2020 4 29 58968 72.242 433.713 -242.1322 -0.014 0.008 0.056 0.038 0.0071 0.066 0.055 2020 4 30 58969 74.190 434.635 -242.2390 0.080 0.001 0.056 0.038 0.0071 0.066 0.055 2020 5 1 58970 75.860 435.871 -242.4743 0.104 0.007 0.056 0.038 0.0071 0.067 0.054 Preliminary extension 2020 5 2 58971 77.594 436.920 -242.9168 0.102 0.018 0.057 0.038 0.0072 0.067 0.054 2020 5 3 58972 79.703 438.150 -243.6309 0.100 0.028 0.057 0.039 0.0072 0.068 0.054 2020 5 4 58973 81.541 439.339 -244.5755 0.098 0.039 0.057 0.039 0.0072 0.069 0.053 2020 5 5 58974 82.990 440.414 -245.6701 0.097 0.049 0.057 0.039 0.0073 0.069 0.053 2020 5 6 58975 84.366 441.304 -246.8048 0.069 0.024 0.057 0.040 0.0074 0.070 0.055 2020 5 7 58976 85.864 442.215 -247.8479 0.034 -0.011 0.058 0.040 0.0076 0.071 0.057 2020 5 8 58977 87.605 442.778 -248.6944 -0.001 -0.046 0.059 0.041 0.0078 0.072 0.059 2020 5 9 58978 89.493 443.512 -249.3116 -0.017 -0.024 0.060 0.042 0.0081 0.074 0.062 2020 5 10 58979 91.636 444.539 -249.7261 -0.025 0.020 0.061 0.042 0.0083 0.075 0.065 2020 5 11 58980 93.227 445.568 -249.9856 -0.033 0.064 0.062 0.043 0.0086 0.076 0.068 2020 5 12 58981 94.638 446.337 -250.1641 -0.041 0.108 0.064 0.044 0.0088 0.077 0.072 2020 5 13 58982 95.979 446.778 -250.3549 0.017 0.059 0.066 0.045 0.0091 0.079 0.075 2020 5 14 58983 97.212 446.638 -250.5612 0.094 -0.016 0.068 0.047 0.0093 0.080 0.078 2020 5 15 58984 98.845 446.366 -250.7616 0.170 -0.091 0.070 0.048 0.0095 0.081 0.082 2020 5 16 58985 100.349 446.346 -251.0803 0.000 0.000 0.073 0.050 0.0098 0.083 0.086 2020 5 17 58986 101.737 446.104 -251.4803 0.138 -0.150 0.046 0.031 0.0070 0.052 0.038 2020 5 18 58987 102.993 446.061 -252.0043 0.107 -0.146 0.047 0.031 0.0072 0.053 0.039 2020 5 19 58988 104.416 445.913 -252.6030 0.076 -0.143 0.047 0.032 0.0074 0.054 0.041 2020 5 20 58989 106.114 445.981 -253.1302 0.051 -0.069 0.048 0.033 0.0076 0.500 0.500 2020 5 21 58990 107.413 446.355 -253.6195 0.049 -0.062 0.049 0.033 0.0078 0.500 0.500 2020 5 22 58991 108.239 446.822 -253.9658 0.051 -0.061 0.050 0.034 0.0081 0.500 0.500 2020 5 23 58992 108.378 447.131 -254.1473 0.053 -0.061 0.051 0.034 0.0083 0.500 0.500 2020 5 24 58993 108.437 446.665 -254.1514 0.052 -0.061 0.052 0.035 0.0086 0.500 0.500 2020 5 25 58994 108.346 446.094 -254.0164 0.049 -0.062 0.053 0.035 0.0089 0.500 0.500 2020 5 26 58995 108.328 445.354 -253.8388 0.048 -0.065 0.054 0.036 0.0092 0.500 0.500 2020 5 27 58996 109.146 444.509 -253.6777 0.051 -0.071 0.055 0.036 0.0095 0.500 0.500 2020 5 28 58997 110.177 443.948 -253.5584 0.057 -0.077 0.055 0.037 0.0099 0.500 0.500 2020 5 29 58998 110.874 443.510 -253.5642 0.065 -0.078 0.056 0.038 0.0103 0.500 0.500 2020 5 30 58999 112.010 442.896 -253.7070 0.071 -0.073 0.057 0.038 0.0106 0.500 0.500 2020 5 31 59000 113.087 442.665 -254.0915 0.071 -0.065 0.058 0.039 0.0110 0.500 0.500 2020 6 1 59001 114.121 441.937 -254.7395 0.066 -0.056 0.059 0.039 0.0114 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 4 2 58941 -106.337 -9.751 0.148 0.042 2020 4 3 58942 -106.318 -9.843 0.151 0.043 2020 4 4 58943 -106.309 -10.097 0.153 0.044 2020 4 5 58944 -106.014 -10.329 0.151 0.044 2020 4 6 58945 -105.467 -10.260 0.151 0.044 2020 4 7 58946 -105.152 -9.931 0.151 0.045 2020 4 8 58947 -105.495 -9.729 0.153 0.046 2020 4 9 58948 -106.188 -9.772 0.156 0.046 2020 4 10 58949 -106.661 -9.853 0.156 0.046 2020 4 11 58950 -106.688 -9.859 0.148 0.044 2020 4 12 58951 -106.395 -9.893 0.148 0.044 2020 4 13 58952 -106.074 -10.065 0.151 0.043 2020 4 14 58953 -105.997 -10.276 0.151 0.043 2020 4 15 58954 -106.194 -10.334 0.153 0.043 2020 4 16 58955 -106.147 -10.314 0.156 0.044 2020 4 17 58956 -105.721 -10.262 0.156 0.045 2020 4 18 58957 -105.310 -10.101 0.153 0.045 2020 4 19 58958 -105.089 -9.875 0.151 0.046 2020 4 20 58959 -105.192 -9.577 0.153 0.047 2020 4 21 58960 -105.537 -9.289 0.156 0.049 2020 4 22 58961 -105.676 -9.319 0.153 0.049 2020 4 23 58962 -105.598 -9.615 0.156 0.050 2020 4 24 58963 -105.555 -9.920 0.156 0.051 2020 4 25 58964 -105.536 -10.153 0.158 0.052 2020 4 26 58965 -105.590 -10.313 0.161 0.053 2020 4 27 58966 -105.767 -10.444 0.161 0.054 2020 4 28 58967 -106.003 -10.564 0.163 0.055 2020 4 29 58968 -105.861 -10.641 0.166 0.055 2020 4 30 58969 -105.423 -10.642 0.166 0.055 2020 5 1 58970 -105.021 -10.614 0.168 0.054 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 4 2 58941 0.3060 0.0127 15.04106712540 0.00000000221 2020 4 3 58942 0.4711 0.0127 15.04106709666 0.00000000221 2020 4 4 58943 0.7577 0.0128 15.04106704677 0.00000000223 2020 4 5 58944 1.0730 0.0125 15.04106699188 0.00000000218 2020 4 6 58945 1.3584 0.0125 15.04106694219 0.00000000218 2020 4 7 58946 1.5401 0.0125 15.04106691056 0.00000000218 2020 4 8 58947 1.6364 0.0126 15.04106689380 0.00000000219 2020 4 9 58948 1.5201 0.0126 15.04106691404 0.00000000219 2020 4 10 58949 1.2941 0.0127 15.04106695339 0.00000000221 2020 4 11 58950 0.9873 0.0127 15.04106700679 0.00000000221 2020 4 12 58951 0.7077 0.0125 15.04106705547 0.00000000218 2020 4 13 58952 0.4790 0.0125 15.04106709528 0.00000000218 2020 4 14 58953 0.3122 0.0125 15.04106712432 0.00000000218 2020 4 15 58954 0.1702 0.0126 15.04106714904 0.00000000219 2020 4 16 58955 0.1722 0.0126 15.04106714869 0.00000000219 2020 4 17 58956 0.2674 0.0127 15.04106713212 0.00000000221 2020 4 18 58957 0.4043 0.0127 15.04106710829 0.00000000221 2020 4 19 58958 0.4905 0.0125 15.04106709328 0.00000000218 2020 4 20 58959 0.4897 0.0126 15.04106709342 0.00000000219 2020 4 21 58960 0.4841 0.0126 15.04106709440 0.00000000219 2020 4 22 58961 0.4852 0.0127 15.04106709420 0.00000000221 2020 4 23 58962 0.4597 0.0127 15.04106709864 0.00000000221 2020 4 24 58963 0.3616 0.0128 15.04106711572 0.00000000223 2020 4 25 58964 0.2293 0.0128 15.04106713875 0.00000000223 2020 4 26 58965 0.1202 0.0129 15.04106715775 0.00000000225 2020 4 27 58966 0.0952 0.0129 15.04106716210 0.00000000225 2020 4 28 58967 0.0747 0.0130 15.04106716567 0.00000000226 2020 4 29 58968 0.0564 0.0131 15.04106716885 0.00000000228 2020 4 30 58969 0.1510 0.0132 15.04106715238 0.00000000230 2020 5 1 58970 0.3411 0.0132 15.04106711929 0.00000000230 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [58941-58970] No leap second introduced during period [58941-58970] 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 67 74 3 - 16 41 5 58942.27 to 58969.27 25 43 5 - 43 35 GSFC gsf2020a.eoxy 60 109 8 23 22 51 12 58942.27 to 58969.27 87 1080 6 35 81 80 IAA iaa2007a.eops 37 37 1 - 11 27 9 58942.27 to 58969.27 109 110 10 - 81 111 USNO usn2020a.eoxy 37 35 1 - 14 36 9 58942.27 to 58969.27 134 77 6 - 63 57 IVS * ivs14r1X.eops 17 14 0 - 5 13 9 58942.27 to 58969.27 83 73 4 - 12 15 VLBI Intensive GSI * gsiint2c.eopi - - 8 - - - 8 58943.33 to 58965.33 - - 13 - - - BKG * bkgint14.eopi - - 12 - - - 27 58941.79 to 58969.80 - - 23 - - - GSFC * gsf2020a.eopi - - 11 - - - 29 58941.79 to 58969.80 - - 20 - - - IAA * iaa2019a.eopi - - 11 - - - 28 58941.79 to 58969.80 - - 20 - - - USNO * usnouint.data - - 11 - - - 29 58941.79 to 58969.80 - - 20 - - - GPS CODE COD*ERP_R 5 5 - 0 - - 29 58941.50 to 58969.50 34 27 - 13 - - JPL jpl*.erp 10 11 - 6 - - 29 58941.50 to 58969.50 45 28 - 17 - - GFZ gfz*.erp 4 4 - 1 - - 29 58941.50 to 58969.50 39 33 - 16 - - ESOC esa*.erp 8 9 - 3 - - 29 58941.50 to 58969.50 34 28 - 12 - - SIO sio*.erp siu*.erp 60 65 - 17 - - 29 58941.50 to 58969.50 59 51 - 43 - - EMR emr*.erp 3 3 - 1 - - 29 58941.50 to 58969.50 49 41 - 6 - - IAA gnss.res 0 0 - 0 - - 29 58941.50 to 58969.50 49 93 - 34 - - GRGS grg*.erp 59 59 - 0 - - 29 58941.50 to 58969.50 35 27 - 10 - - ASI asi*.erp 7 7 - 0 - - 29 58941.50 to 58969.50 65 39 - 43 - - MIT mit*.erp 12 12 - 1 - - 29 58941.50 to 58969.50 37 29 - 16 - - IGR * igs96p02.erp 15 15 - 2 - - 29 58941.50 to 58969.50 34 24 - 10 - - IGS * igs00p03.erp 3 3 - 0 - - 29 58941.50 to 58969.50 33 25 - 14 - - SLR IAA slr_v.dat 57 71 - 4 - - 29 58941.00 to 58970.00 199 224 - 29 - - ASI slr_oca*.eop 60 84 - 17 - - 29 58941.50 to 58969.50 187 201 - 46 - - ILRS * ilrsa.eop 46 59 - 9 - - 29 58941.50 to 58969.50 143 192 - 30 - - BULLETIN A NEOS mark3.out 28 26 4 - - - 30 58941.00 to 58970.00 61 36 12 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html