BULLETIN B 390 3 August 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 0.048 0.031 0.0098 0.027 0.061 2020 6 2 59002 115.356 440.965 -255.2636 0.042 -0.022 0.048 0.031 0.0096 0.066 0.058 2020 6 3 59003 116.557 440.577 -255.8111 -0.007 0.038 0.049 0.031 0.0097 0.067 0.060 2020 6 4 59004 117.960 440.275 -256.1433 0.043 -0.037 0.049 0.031 0.0098 0.067 0.060 2020 6 5 59005 119.592 440.373 -256.2125 0.121 -0.149 0.049 0.031 0.0097 0.068 0.060 2020 6 6 59006 121.341 440.754 -256.0362 0.134 -0.124 0.049 0.032 0.0099 0.069 0.061 2020 6 7 59007 123.021 441.349 -255.6732 0.123 -0.049 0.049 0.032 0.0102 0.070 0.063 2020 6 8 59008 124.214 441.730 -255.1905 0.112 0.026 0.048 0.031 0.0100 0.067 0.062 2020 6 9 59009 125.342 441.604 -254.6373 0.101 0.101 0.048 0.031 0.0101 0.067 0.064 2020 6 10 59010 126.901 441.125 -254.0253 0.082 0.045 0.049 0.031 0.0102 0.068 0.065 2020 6 11 59011 128.704 440.696 -253.3824 0.061 -0.048 0.049 0.031 0.0102 0.069 0.066 2020 6 12 59012 130.552 440.812 -252.7082 0.108 -0.048 0.049 0.031 0.0102 0.070 0.066 2020 6 13 59013 132.365 440.839 -252.0923 0.181 -0.015 0.049 0.031 0.0102 0.067 0.065 2020 6 14 59014 134.367 440.694 -251.5698 0.253 0.018 0.049 0.031 0.0102 0.068 0.066 2020 6 15 59015 136.361 440.461 -251.1455 0.326 0.052 0.048 0.031 0.0102 0.069 0.066 2020 6 16 59016 138.330 439.889 -250.7551 0.399 0.085 0.048 0.031 0.0102 0.070 0.067 2020 6 17 59017 140.357 439.316 -250.2728 0.340 0.035 0.048 0.031 0.0102 0.070 0.066 2020 6 18 59018 142.486 438.802 -249.6915 0.249 -0.036 0.048 0.031 0.0100 0.069 0.064 2020 6 19 59019 144.941 438.049 -249.0204 0.157 -0.106 0.048 0.031 0.0099 0.070 0.063 2020 6 20 59020 147.096 437.587 -248.1020 0.143 -0.122 0.048 0.031 0.0099 0.070 0.063 2020 6 21 59021 149.313 437.067 -247.0621 0.157 -0.119 0.048 0.031 0.0096 0.067 0.061 2020 6 22 59022 151.173 436.544 -245.9006 0.171 -0.116 0.048 0.031 0.0096 0.068 0.060 2020 6 23 59023 152.501 435.847 -244.7075 0.185 -0.112 0.048 0.031 0.0096 0.068 0.060 2020 6 24 59024 153.959 435.032 -243.5776 0.204 -0.124 0.048 0.031 0.0095 0.069 0.060 2020 6 25 59025 155.398 434.469 -242.6081 0.224 -0.140 0.048 0.031 0.0096 0.070 0.060 2020 6 26 59026 156.921 433.871 -241.8658 0.245 -0.157 0.049 0.032 0.0095 0.070 0.059 2020 6 27 59027 158.865 433.328 -241.3584 0.231 -0.153 0.049 0.032 0.0095 0.071 0.059 2020 6 28 59028 160.849 432.784 -241.0263 0.204 -0.142 0.049 0.032 0.0095 0.071 0.058 2020 6 29 59029 162.732 432.239 -240.8088 0.178 -0.131 0.049 0.032 0.0094 0.072 0.058 2020 6 30 59030 164.789 432.101 -240.5729 0.151 -0.120 0.049 0.032 0.0094 0.072 0.058 2020 7 1 59031 166.892 431.634 -240.1541 0.138 -0.135 0.050 0.033 0.0093 0.073 0.057 Preliminary extension 2020 7 2 59032 168.574 430.990 -239.4932 0.128 -0.156 0.050 0.033 0.0093 0.073 0.057 2020 7 3 59033 170.068 430.002 -238.6043 0.145 -0.167 0.051 0.034 0.0094 0.074 0.057 2020 7 4 59034 171.577 428.858 -237.4984 0.172 -0.173 0.051 0.034 0.0094 0.075 0.058 2020 7 5 59035 173.370 427.393 -236.2168 0.199 -0.180 0.052 0.035 0.0095 0.076 0.059 2020 7 6 59036 175.536 426.083 -234.8921 0.226 -0.186 0.053 0.035 0.0095 0.077 0.061 2020 7 7 59037 177.653 424.843 -233.6104 0.253 -0.193 0.054 0.036 0.0095 0.077 0.062 2020 7 8 59038 179.597 423.432 -232.4069 0.226 -0.190 0.055 0.037 0.0095 0.078 0.063 2020 7 9 59039 181.531 421.863 -231.2900 0.185 -0.184 0.057 0.038 0.0096 0.079 0.065 2020 7 10 59040 183.407 420.436 -230.2240 0.145 -0.178 0.058 0.039 0.0096 0.080 0.067 2020 7 11 59041 185.180 419.398 -229.2541 0.132 -0.167 0.060 0.041 0.0097 0.081 0.069 2020 7 12 59042 186.634 418.269 -228.2436 0.138 -0.164 0.044 0.029 0.0074 0.068 0.054 2020 7 13 59043 187.622 416.994 -227.1847 0.138 -0.166 0.045 0.030 0.0075 0.069 0.055 2020 7 14 59044 188.383 415.736 -226.1085 0.139 -0.167 0.046 0.031 0.0076 0.069 0.057 2020 7 15 59045 189.683 414.737 -224.9458 0.149 -0.122 0.047 0.031 0.0078 0.500 0.500 2020 7 16 59046 190.950 413.931 -223.7694 0.144 -0.128 0.048 0.032 0.0081 0.500 0.500 2020 7 17 59047 192.188 412.943 -222.4355 0.139 -0.132 0.049 0.032 0.0083 0.500 0.500 2020 7 18 59048 193.226 411.963 -221.1082 0.135 -0.132 0.049 0.033 0.0085 0.500 0.500 2020 7 19 59049 193.871 410.805 -219.6850 0.132 -0.127 0.050 0.034 0.0087 0.500 0.500 2020 7 20 59050 194.317 409.491 -218.2305 0.131 -0.121 0.051 0.034 0.0090 0.500 0.500 2020 7 21 59051 194.659 408.290 -216.8647 0.130 -0.120 0.052 0.034 0.0092 0.500 0.500 2020 7 22 59052 195.075 406.736 -215.6879 0.131 -0.125 0.052 0.035 0.0095 0.500 0.500 2020 7 23 59053 195.558 405.246 -214.6971 0.131 -0.135 0.053 0.035 0.0098 0.500 0.500 2020 7 24 59054 196.348 404.082 -213.9544 0.129 -0.142 0.053 0.036 0.0101 0.500 0.500 2020 7 25 59055 197.200 402.891 -213.4317 0.123 -0.144 0.054 0.036 0.0104 0.500 0.500 2020 7 26 59056 197.745 401.744 -212.9668 0.113 -0.139 0.055 0.036 0.0107 0.500 0.500 2020 7 27 59057 198.058 400.586 -212.4708 0.100 -0.129 0.055 0.037 0.0110 0.500 0.500 2020 7 28 59058 198.145 399.410 -211.8579 0.088 -0.121 0.055 0.037 0.0114 0.500 0.500 2020 7 29 59059 198.561 398.242 -211.0941 0.081 -0.119 0.056 0.037 0.0118 0.500 0.500 2020 7 30 59060 199.165 397.172 -210.1840 0.083 -0.123 0.056 0.037 0.0122 0.500 0.500 2020 7 31 59061 199.849 396.050 -209.1679 0.093 -0.130 0.056 0.037 0.0126 0.500 0.500 2020 8 1 59062 200.777 394.813 -208.1066 0.108 -0.136 0.056 0.037 0.0130 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 6 2 59002 -106.739 -9.983 0.166 0.058 2020 6 3 59003 -107.710 -9.903 0.168 0.060 2020 6 4 59004 -108.227 -10.104 0.168 0.060 2020 6 5 59005 -108.259 -10.314 0.171 0.060 2020 6 6 59006 -108.081 -10.259 0.173 0.061 2020 6 7 59007 -107.774 -10.123 0.176 0.063 2020 6 8 59008 -107.473 -10.119 0.168 0.062 2020 6 9 59009 -107.349 -10.251 0.168 0.064 2020 6 10 59010 -107.509 -10.488 0.171 0.065 2020 6 11 59011 -107.860 -10.608 0.173 0.066 2020 6 12 59012 -108.024 -10.520 0.176 0.066 2020 6 13 59013 -107.981 -10.400 0.168 0.065 2020 6 14 59014 -107.885 -10.312 0.171 0.066 2020 6 15 59015 -107.911 -10.176 0.173 0.066 2020 6 16 59016 -108.120 -9.939 0.176 0.067 2020 6 17 59017 -108.739 -9.763 0.176 0.066 2020 6 18 59018 -109.366 -9.741 0.173 0.064 2020 6 19 59019 -109.837 -9.937 0.176 0.063 2020 6 20 59020 -109.937 -10.220 0.176 0.063 2020 6 21 59021 -109.841 -10.453 0.168 0.061 2020 6 22 59022 -109.738 -10.532 0.171 0.060 2020 6 23 59023 -109.755 -10.474 0.171 0.060 2020 6 24 59024 -109.879 -10.413 0.173 0.060 2020 6 25 59025 -109.961 -10.424 0.176 0.060 2020 6 26 59026 -109.840 -10.486 0.176 0.059 2020 6 27 59027 -109.645 -10.472 0.178 0.059 2020 6 28 59028 -109.581 -10.322 0.178 0.058 2020 6 29 59029 -109.883 -10.085 0.181 0.058 2020 6 30 59030 -110.585 -9.893 0.181 0.058 2020 7 1 59031 -111.397 -9.872 0.184 0.057 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 6 2 59002 0.5944 0.0127 15.04106707519 0.00000000221 2020 6 3 59003 0.4238 0.0127 15.04106710489 0.00000000221 2020 6 4 59004 0.1999 0.0128 15.04106714387 0.00000000223 2020 6 5 59005 -0.0442 0.0128 15.04106718636 0.00000000223 2020 6 6 59006 -0.2611 0.0129 15.04106722412 0.00000000225 2020 6 7 59007 -0.4235 0.0130 15.04106725240 0.00000000226 2020 6 8 59008 -0.5518 0.0127 15.04106727473 0.00000000221 2020 6 9 59009 -0.6060 0.0127 15.04106728417 0.00000000221 2020 6 10 59010 -0.6402 0.0128 15.04106729012 0.00000000223 2020 6 11 59011 -0.6234 0.0128 15.04106728720 0.00000000223 2020 6 12 59012 -0.6319 0.0129 15.04106728868 0.00000000225 2020 6 13 59013 -0.5984 0.0129 15.04106728284 0.00000000225 2020 6 14 59014 -0.4699 0.0130 15.04106726047 0.00000000226 2020 6 15 59015 -0.3956 0.0127 15.04106724754 0.00000000221 2020 6 16 59016 -0.4115 0.0127 15.04106725031 0.00000000221 2020 6 17 59017 -0.4882 0.0128 15.04106726366 0.00000000223 2020 6 18 59018 -0.6405 0.0128 15.04106729017 0.00000000223 2020 6 19 59019 -0.8280 0.0129 15.04106732281 0.00000000225 2020 6 20 59020 -1.0077 0.0129 15.04106735410 0.00000000225 2020 6 21 59021 -1.1348 0.0130 15.04106737622 0.00000000226 2020 6 22 59022 -1.1882 0.0131 15.04106738552 0.00000000228 2020 6 23 59023 -1.1609 0.0131 15.04106738077 0.00000000228 2020 6 24 59024 -1.0582 0.0132 15.04106736289 0.00000000230 2020 6 25 59025 -0.8717 0.0132 15.04106733042 0.00000000230 2020 6 26 59026 -0.6259 0.0133 15.04106728763 0.00000000232 2020 6 27 59027 -0.4029 0.0134 15.04106724881 0.00000000233 2020 6 28 59028 -0.2568 0.0134 15.04106722338 0.00000000233 2020 6 29 59029 -0.2208 0.0135 15.04106721711 0.00000000235 2020 6 30 59030 -0.3246 0.0136 15.04106723518 0.00000000237 2020 7 1 59031 -0.5379 0.0137 15.04106727231 0.00000000238 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [59002-59031] No leap second introduced during period [59002-59031] 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 68 83 4 - 17 49 4 59005.27 to 59026.27 28 50 4 - 11 7 GSFC gsf2020a.eoxy 52 53 3 9 14 40 10 59003.21 to 59030.21 248 190 11 19 60 94 IAA iaa2007a.eops 46 63 3 - 14 37 7 59003.21 to 59030.21 179 149 7 - 54 118 USNO usn2020b.eoxy 38 46 2 - 15 40 9 59003.21 to 59030.21 103 126 8 - 26 83 IVS * ivs14r1X.eops 42 42 1 - 10 26 5 59003.21 to 59030.21 121 107 6 - 5 7 VLBI Intensive GSI * gsiint2c.eopi - - 10 - - - 8 59006.33 to 59028.33 - - 18 - - - BKG * bkgint14.eopi - - 20 - - - 26 59002.79 to 59030.79 - - 33 - - - GSFC * gsf2020a.eopi - - 18 - - - 30 59002.79 to 59030.79 - - 54 - - - IAA * iaa2019a.eopi - - 20 - - - 30 59002.79 to 59030.79 - - 50 - - - USNO * usnouint.data - - 18 - - - 25 59002.79 to 59029.79 - - 24 - - - GPS CODE COD*ERP_R 5 5 - 0 - - 29 59002.50 to 59030.50 20 22 - 10 - - JPL jpl*.erp 9 10 - 4 - - 29 59002.50 to 59030.50 23 28 - 18 - - GFZ gfz*.erp 4 5 - 1 - - 29 59002.50 to 59030.50 29 30 - 9 - - ESOC esa*.erp 8 8 - 3 - - 29 59002.50 to 59030.50 21 24 - 10 - - SIO sio*.erp siu*.erp 66 73 - 18 - - 29 59002.50 to 59030.50 44 53 - 17 - - EMR emr*.erp 3 2 - 0 - - 29 59002.50 to 59030.50 38 28 - 10 - - IAA gnss.res 0 0 - 0 - - 29 59002.50 to 59030.50 97 80 - 21 - - GRGS grg*.erp 61 61 - 0 - - 22 59002.50 to 59030.50 18 17 - 7 - - ASI asi*.erp 8 8 - 0 - - 24 59007.50 to 59030.50 35 31 - 34 - - MIT mit*.erp 11 11 - 2 - - 29 59002.50 to 59030.50 26 28 - 10 - - IGR * igs96p02.erp 10 9 - 2 - - 29 59002.50 to 59030.50 18 23 - 10 - - IGS * igs00p03.erp 3 3 - 0 - - 29 59002.50 to 59030.50 20 22 - 10 - - SLR MCC tg*.02 176 196 - 21 - - 30 59002.00 to 59031.00 126 125 - 253 - - IAA slr_v.dat 61 66 - 4 - - 30 59002.00 to 59031.00 221 232 - 24 - - ASI slr_oca*.eop 66 73 - 13 - - 29 59002.50 to 59030.50 163 226 - 38 - - ILRS * ilrsa.eop 49 55 - 8 - - 29 59002.50 to 59030.50 118 183 - 24 - - BULLETIN A NEOS mark3.out 20 20 6 - - - 30 59002.00 to 59031.00 33 31 10 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html