BULLETIN B 389 1 July 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 0.051 0.034 0.0078 0.025 0.050 2020 5 2 58971 77.588 436.915 -242.9170 0.102 0.018 0.054 0.036 0.0068 0.060 0.048 2020 5 3 58972 79.720 438.133 -243.6308 0.100 0.028 0.054 0.036 0.0068 0.060 0.047 2020 5 4 58973 81.539 439.339 -244.5748 0.098 0.039 0.054 0.036 0.0068 0.060 0.046 2020 5 5 58974 83.001 440.397 -245.6700 0.097 0.049 0.054 0.037 0.0068 0.061 0.045 2020 5 6 58975 84.371 441.298 -246.8040 0.069 0.024 0.054 0.037 0.0069 0.061 0.046 2020 5 7 58976 85.880 442.199 -247.8448 0.034 -0.011 0.054 0.037 0.0070 0.062 0.047 2020 5 8 58977 87.577 442.774 -248.6936 -0.001 -0.046 0.053 0.036 0.0071 0.061 0.047 2020 5 9 58978 89.488 443.500 -249.3145 -0.017 -0.024 0.053 0.036 0.0072 0.062 0.048 2020 5 10 58979 91.613 444.552 -249.7270 -0.025 0.020 0.052 0.035 0.0073 0.063 0.049 2020 5 11 58980 93.236 445.566 -249.9850 -0.033 0.064 0.052 0.035 0.0074 0.063 0.049 2020 5 12 58981 94.612 446.353 -250.1641 -0.041 0.108 0.052 0.035 0.0074 0.060 0.048 2020 5 13 58982 95.989 446.778 -250.3571 0.016 0.059 0.052 0.034 0.0075 0.060 0.048 2020 5 14 58983 97.182 446.651 -250.5619 0.091 -0.014 0.052 0.034 0.0076 0.061 0.048 2020 5 15 58984 98.876 446.341 -250.7604 0.165 -0.087 0.052 0.034 0.0076 0.060 0.047 2020 5 16 58985 100.314 446.369 -251.0803 0.138 -0.076 0.052 0.034 0.0076 0.061 0.047 2020 5 17 58986 101.760 446.093 -251.4781 0.073 -0.035 0.051 0.033 0.0076 0.061 0.046 2020 5 18 58987 102.987 446.067 -252.0116 0.008 0.007 0.050 0.033 0.0076 0.061 0.046 2020 5 19 58988 104.425 445.811 -252.6084 -0.058 0.049 0.050 0.033 0.0076 0.061 0.045 2020 5 20 58989 106.126 445.938 -253.1595 -0.023 0.020 0.050 0.033 0.0077 0.062 0.046 2020 5 21 58990 107.451 446.340 -253.6215 0.038 -0.027 0.050 0.033 0.0079 0.063 0.048 2020 5 22 58991 108.276 446.830 -253.9584 0.099 -0.074 0.050 0.033 0.0080 0.064 0.049 2020 5 23 58992 108.408 447.067 -254.1455 0.093 -0.053 0.050 0.033 0.0082 0.065 0.050 2020 5 24 58993 108.450 446.649 -254.1521 0.063 -0.007 0.050 0.033 0.0083 0.065 0.052 2020 5 25 58994 108.366 446.013 -254.0079 0.032 0.040 0.050 0.033 0.0085 0.066 0.053 2020 5 26 58995 108.293 445.354 -253.8362 0.002 0.086 0.050 0.033 0.0086 0.067 0.055 2020 5 27 58996 109.162 444.410 -253.6835 -0.029 0.132 0.050 0.033 0.0088 0.068 0.057 2020 5 28 58997 110.178 443.918 -253.5558 0.065 -0.009 0.050 0.033 0.0089 0.069 0.058 2020 5 29 58998 110.919 443.389 -253.5453 0.191 -0.197 0.050 0.033 0.0091 0.070 0.059 2020 5 30 58999 112.036 442.896 -253.7142 0.189 -0.204 0.050 0.033 0.0092 0.071 0.060 2020 5 31 59000 113.116 442.389 -254.0943 0.140 -0.144 0.051 0.033 0.0094 0.072 0.062 2020 6 1 59001 114.109 441.616 -254.6512 0.091 -0.084 0.051 0.034 0.0096 0.073 0.064 Preliminary extension 2020 6 2 59002 115.354 440.967 -255.2715 0.042 -0.024 0.051 0.034 0.0098 0.074 0.067 2020 6 3 59003 116.578 440.588 -255.8108 -0.006 0.037 0.052 0.034 0.0099 0.075 0.069 2020 6 4 59004 117.958 440.276 -256.1271 0.044 -0.038 0.052 0.035 0.0101 0.076 0.070 2020 6 5 59005 119.613 440.384 -256.2066 0.121 -0.149 0.053 0.035 0.0102 0.077 0.071 2020 6 6 59006 121.337 440.756 -256.0375 0.134 -0.124 0.054 0.036 0.0105 0.078 0.074 2020 6 7 59007 123.042 441.361 -255.6763 0.123 -0.049 0.055 0.036 0.0107 0.080 0.078 2020 6 8 59008 124.195 441.725 -255.1939 0.112 0.026 0.056 0.037 0.0109 0.081 0.082 2020 6 9 59009 125.350 441.606 -254.6376 0.102 0.101 0.057 0.038 0.0112 0.082 0.086 2020 6 10 59010 126.882 441.121 -254.0199 0.080 0.041 0.059 0.039 0.0114 0.084 0.089 2020 6 11 59011 128.715 440.703 -253.3790 0.055 -0.055 0.061 0.040 0.0116 0.085 0.093 2020 6 12 59012 130.527 440.810 -252.7092 0.000 0.000 0.063 0.042 0.0119 0.086 0.097 2020 6 13 59013 132.394 440.842 -252.0936 0.000 0.000 0.065 0.043 0.0122 0.088 0.102 2020 6 14 59014 134.271 440.735 -251.5587 0.190 0.135 0.044 0.029 0.0087 0.046 0.046 2020 6 15 59015 136.397 440.478 -251.1196 0.231 0.224 0.045 0.030 0.0090 0.046 0.048 2020 6 16 59016 138.257 439.982 -250.7438 0.273 0.313 0.046 0.031 0.0092 0.047 0.050 2020 6 17 59017 140.427 439.353 -250.2717 0.135 0.091 0.047 0.032 0.0094 0.500 0.500 2020 6 18 59018 142.409 438.873 -249.6824 0.114 0.036 0.048 0.032 0.0097 0.500 0.500 2020 6 19 59019 144.982 438.124 -248.9749 0.099 -0.008 0.049 0.033 0.0099 0.500 0.500 2020 6 20 59020 146.997 437.682 -248.0991 0.091 -0.018 0.050 0.034 0.0102 0.500 0.500 2020 6 21 59021 149.365 437.131 -247.0578 0.088 0.002 0.051 0.034 0.0105 0.500 0.500 2020 6 22 59022 151.059 436.624 -245.8748 0.086 0.031 0.052 0.035 0.0108 0.500 0.500 2020 6 23 59023 152.567 435.895 -244.6690 0.084 0.042 0.053 0.035 0.0111 0.500 0.500 2020 6 24 59024 153.857 435.107 -243.5589 0.084 0.025 0.054 0.036 0.0115 0.500 0.500 2020 6 25 59025 155.450 434.495 -242.6053 0.089 -0.011 0.055 0.036 0.0118 0.500 0.500 2020 6 26 59026 156.829 433.956 -241.8630 0.097 -0.040 0.056 0.037 0.0121 0.500 0.500 2020 6 27 59027 158.914 433.363 -241.3562 0.103 -0.045 0.056 0.038 0.0125 0.500 0.500 2020 6 28 59028 160.753 432.862 -241.0170 0.100 -0.026 0.057 0.038 0.0128 0.500 0.500 2020 6 29 59029 162.795 432.295 -240.7901 0.089 0.001 0.058 0.039 0.0132 0.500 0.500 2020 6 30 59030 164.554 432.163 -240.5662 0.072 0.018 0.059 0.039 0.0136 0.500 0.500 2020 7 1 59031 167.043 431.833 -240.1766 0.060 0.017 0.060 0.040 0.0141 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 5 2 58971 -104.699 -10.624 0.151 0.048 2020 5 3 58972 -104.481 -10.611 0.151 0.047 2020 5 4 58973 -104.463 -10.466 0.151 0.046 2020 5 5 58974 -104.777 -10.245 0.153 0.045 2020 5 6 58975 -105.476 -10.174 0.153 0.046 2020 5 7 58976 -106.216 -10.285 0.156 0.047 2020 5 8 58977 -106.635 -10.407 0.153 0.047 2020 5 9 58978 -106.574 -10.361 0.156 0.048 2020 5 10 58979 -106.202 -10.291 0.158 0.049 2020 5 11 58980 -105.798 -10.381 0.158 0.049 2020 5 12 58981 -105.629 -10.581 0.151 0.048 2020 5 13 58982 -105.623 -10.771 0.151 0.048 2020 5 14 58983 -105.696 -10.773 0.153 0.048 2020 5 15 58984 -105.574 -10.663 0.151 0.047 2020 5 16 58985 -105.445 -10.498 0.153 0.047 2020 5 17 58986 -105.421 -10.347 0.153 0.046 2020 5 18 58987 -105.678 -10.159 0.153 0.046 2020 5 19 58988 -106.196 -9.926 0.153 0.045 2020 5 20 58989 -106.485 -9.835 0.156 0.046 2020 5 21 58990 -106.555 -9.949 0.158 0.048 2020 5 22 58991 -106.454 -10.234 0.161 0.049 2020 5 23 58992 -106.414 -10.482 0.163 0.050 2020 5 24 58993 -106.406 -10.604 0.163 0.052 2020 5 25 58994 -106.481 -10.602 0.166 0.053 2020 5 26 58995 -106.707 -10.548 0.168 0.055 2020 5 27 58996 -106.998 -10.513 0.171 0.057 2020 5 28 58997 -106.798 -10.694 0.173 0.058 2020 5 29 58998 -106.199 -10.901 0.176 0.059 2020 5 30 58999 -105.753 -10.836 0.178 0.060 2020 5 31 59000 -105.611 -10.580 0.181 0.062 2020 6 1 59001 -105.941 -10.249 0.184 0.064 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 5 2 58971 0.5860 0.0129 15.04106707666 0.00000000225 2020 5 3 58972 0.8396 0.0130 15.04106703251 0.00000000226 2020 5 4 58973 1.0690 0.0130 15.04106699257 0.00000000226 2020 5 5 58974 1.1321 0.0131 15.04106698159 0.00000000228 2020 5 6 58975 1.1108 0.0132 15.04106698530 0.00000000230 2020 5 7 58976 0.9728 0.0132 15.04106700932 0.00000000230 2020 5 8 58977 0.7462 0.0129 15.04106704877 0.00000000225 2020 5 9 58978 0.5172 0.0129 15.04106708863 0.00000000225 2020 5 10 58979 0.3195 0.0126 15.04106712305 0.00000000219 2020 5 11 58980 0.1858 0.0126 15.04106714633 0.00000000219 2020 5 12 58981 0.1770 0.0127 15.04106714786 0.00000000221 2020 5 13 58982 0.1767 0.0127 15.04106714791 0.00000000221 2020 5 14 58983 0.1941 0.0128 15.04106714488 0.00000000223 2020 5 15 58984 0.2778 0.0128 15.04106713031 0.00000000223 2020 5 16 58985 0.3654 0.0129 15.04106711506 0.00000000225 2020 5 17 58986 0.4799 0.0126 15.04106709513 0.00000000219 2020 5 18 58987 0.5811 0.0126 15.04106707751 0.00000000219 2020 5 19 58988 0.5937 0.0126 15.04106707532 0.00000000219 2020 5 20 58989 0.5169 0.0127 15.04106708869 0.00000000221 2020 5 21 58990 0.4139 0.0127 15.04106710662 0.00000000221 2020 5 22 58991 0.2708 0.0128 15.04106713153 0.00000000223 2020 5 23 58992 0.1082 0.0128 15.04106715983 0.00000000223 2020 5 24 58993 -0.0710 0.0129 15.04106719103 0.00000000225 2020 5 25 58994 -0.1809 0.0129 15.04106721016 0.00000000225 2020 5 26 58995 -0.2208 0.0130 15.04106721711 0.00000000226 2020 5 27 58996 -0.1491 0.0130 15.04106720463 0.00000000226 2020 5 28 58997 -0.0636 0.0131 15.04106718974 0.00000000228 2020 5 29 58998 0.0762 0.0131 15.04106716540 0.00000000228 2020 5 30 58999 0.2673 0.0132 15.04106713214 0.00000000230 2020 5 31 59000 0.4738 0.0133 15.04106709619 0.00000000232 2020 6 1 59001 0.6017 0.0134 15.04106707392 0.00000000233 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [58971-59001] No leap second introduced during period [58971-59001] 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 65 77 4 - 15 42 4 58977.27 to 58998.27 143 44 1 - 71 52 GSFC gsf2020a.eoxy 39 34 2 5 10 26 9 58974.21 to 58998.27 50 38 5 10 63 72 IAA iaa2007a.eops 29 36 2 - 9 24 5 58974.21 to 58996.21 119 104 8 - 65 20 USNO usn2020a.eoxy 31 30 1 - 11 29 3 58974.21 to 58981.21 63 26 3 - 28 29 IVS * ivs14r1X.eops 14 13 0 - 4 11 5 58974.21 to 58996.20 41 31 3 - 7 7 VLBI Intensive GSI * gsiint2c.eopi - - 9 - - - 10 58971.33 to 59000.33 - - 23 - - - BKG * bkgint14.eopi - - 14 - - - 29 58971.33 to 59000.33 - - 22 - - - GSFC * gsf2020a.eopi - - 12 - - - 33 58971.33 to 59000.33 - - 34 - - - IAA * iaa2019a.eopi - - 11 - - - 33 58971.33 to 59000.33 - - 30 - - - USNO * usnouint.data - - 11 - - - 31 58971.33 to 59000.33 - - 25 - - - GPS CODE COD*ERP_R 5 5 - 0 - - 29 58971.50 to 59000.50 30 31 - 9 - - JPL jpl*.erp 10 10 - 5 - - 30 58971.50 to 59000.50 34 31 - 17 - - GFZ gfz*.erp 4 5 - 1 - - 30 58971.50 to 59000.50 34 35 - 10 - - ESOC esa*.erp 8 9 - 3 - - 30 58971.50 to 59000.50 35 39 - 9 - - SIO sio*.erp siu*.erp 52 56 - 16 - - 30 58971.50 to 59000.50 59 57 - 21 - - EMR emr*.erp 2 2 - 0 - - 30 58971.50 to 59000.50 37 44 - 10 - - IAA gnss.res 0 0 - 0 - - 30 58971.50 to 59000.50 60 102 - 20 - - GRGS grg*.erp 58 58 - 0 - - 30 58971.50 to 59000.50 33 34 - 6 - - ASI asi*.erp 7 7 - 0 - - 15 58971.50 to 58999.50 41 41 - 43 - - MIT mit*.erp 11 11 - 1 - - 30 58971.50 to 59000.50 39 32 - 11 - - IGR * igs96p02.erp 18 11 - 2 - - 30 58971.50 to 59000.50 28 26 - 8 - - IGS * igs00p03.erp 3 3 - 0 - - 30 58971.50 to 59000.50 32 27 - 11 - - SLR IAA slr_v.dat 51 63 - 3 - - 31 58971.00 to 59001.00 185 236 - 19 - - ASI slr_oca*.eop 61 72 - 14 - - 30 58971.50 to 59000.50 183 155 - 35 - - ILRS * ilrsa.eop 56 67 - 9 - - 8 58971.50 to 58978.50 124 130 - 33 - - BULLETIN A NEOS mark3.out 26 19 4 - - - 31 58971.00 to 59001.00 50 39 11 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html