BULLETIN B 419 2 January 2023 Contents are described in https://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 0.031 0.020 0.0094 0.027 0.063 2022 11 2 59885 206.235 203.545 -10.4065 0.327 -0.194 0.030 0.020 0.0098 0.074 0.085 2022 11 3 59886 203.841 202.359 -10.9528 0.338 -0.167 0.030 0.021 0.0093 0.074 0.084 2022 11 4 59887 201.477 201.353 -11.8134 0.348 -0.141 0.030 0.020 0.0091 0.073 0.082 2022 11 5 59888 199.403 200.700 -12.8173 0.332 -0.107 0.031 0.020 0.0091 0.073 0.080 2022 11 6 59889 197.880 199.789 -13.8349 0.305 -0.070 0.031 0.020 0.0091 0.072 0.077 2022 11 7 59890 196.436 198.985 -14.7274 0.278 -0.033 0.031 0.020 0.0090 0.072 0.075 2022 11 8 59891 194.574 198.424 -15.4466 0.251 0.004 0.031 0.020 0.0091 0.071 0.073 2022 11 9 59892 192.696 197.558 -15.9684 0.255 -0.011 0.031 0.020 0.0089 0.071 0.072 2022 11 10 59893 190.367 196.722 -16.2302 0.266 -0.039 0.031 0.020 0.0092 0.070 0.072 2022 11 11 59894 187.822 195.880 -16.2520 0.270 -0.051 0.031 0.020 0.0092 0.070 0.071 2022 11 12 59895 185.361 195.076 -16.0839 0.270 -0.058 0.031 0.020 0.0092 0.069 0.069 2022 11 13 59896 183.217 193.981 -15.8151 0.270 -0.064 0.031 0.020 0.0091 0.068 0.067 2022 11 14 59897 181.786 192.794 -15.5444 0.270 -0.070 0.031 0.021 0.0089 0.068 0.066 2022 11 15 59898 181.089 192.167 -15.3549 0.271 -0.077 0.031 0.021 0.0101 0.067 0.064 2022 11 16 59899 180.613 192.084 -15.3236 0.280 -0.098 0.031 0.021 0.0097 0.067 0.062 2022 11 17 59900 179.894 192.217 -15.4871 0.293 -0.123 0.030 0.020 0.0095 0.067 0.061 2022 11 18 59901 178.587 192.658 -15.8559 0.305 -0.148 0.031 0.021 0.0094 0.066 0.060 2022 11 19 59902 176.631 192.939 -16.4100 0.300 -0.151 0.031 0.021 0.0092 0.066 0.058 2022 11 20 59903 174.678 192.941 -17.1134 0.288 -0.146 0.031 0.021 0.0091 0.065 0.056 2022 11 21 59904 172.482 192.686 -17.8985 0.276 -0.141 0.031 0.021 0.0089 0.065 0.055 2022 11 22 59905 170.135 192.562 -18.6627 0.264 -0.136 0.031 0.021 0.0105 0.064 0.054 2022 11 23 59906 167.864 192.125 -19.2839 0.266 -0.133 0.031 0.021 0.0101 0.064 0.053 2022 11 24 59907 165.815 191.634 -19.6773 0.271 -0.130 0.031 0.021 0.0100 0.064 0.052 2022 11 25 59908 163.449 191.394 -19.8119 0.276 -0.128 0.031 0.022 0.0097 0.064 0.052 2022 11 26 59909 160.439 191.188 -19.7408 0.285 -0.116 0.032 0.022 0.0095 0.063 0.051 2022 11 27 59910 156.985 190.819 -19.5486 0.297 -0.101 0.032 0.022 0.0094 0.063 0.050 2022 11 28 59911 153.168 190.278 -19.3141 0.308 -0.086 0.032 0.022 0.0094 0.063 0.049 2022 11 29 59912 149.881 189.736 -19.2085 0.319 -0.070 0.032 0.022 0.0093 0.062 0.048 2022 11 30 59913 146.998 189.837 -19.3120 0.330 -0.055 0.033 0.022 0.0091 0.062 0.048 2022 12 1 59914 144.039 190.129 -19.6037 0.316 -0.080 0.033 0.022 0.0090 0.062 0.047 Preliminary extension 2022 12 2 59915 141.086 190.030 -20.0182 0.294 -0.116 0.033 0.022 0.0087 0.062 0.046 2022 12 3 59916 138.520 189.588 -20.4483 0.312 -0.127 0.034 0.022 0.0086 0.062 0.045 2022 12 4 59917 135.739 189.603 -20.8072 0.345 -0.130 0.034 0.023 0.0086 0.061 0.044 2022 12 5 59918 132.594 189.134 -21.0271 0.378 -0.132 0.034 0.023 0.0085 0.061 0.043 2022 12 6 59919 130.232 188.808 -21.0546 0.411 -0.134 0.034 0.023 0.0084 0.061 0.043 2022 12 7 59920 127.807 188.906 -20.8581 0.389 -0.115 0.034 0.022 0.0084 0.061 0.043 2022 12 8 59921 125.554 188.684 -20.5106 0.352 -0.092 0.034 0.022 0.0084 0.062 0.043 2022 12 9 59922 123.046 188.942 -19.9756 0.316 -0.068 0.033 0.022 0.0084 0.062 0.043 2022 12 10 59923 120.029 189.212 -19.3729 0.320 -0.083 0.033 0.022 0.0084 0.062 0.044 2022 12 11 59924 117.054 189.516 -18.7181 0.340 -0.114 0.033 0.022 0.0084 0.063 0.045 2022 12 12 59925 114.481 189.313 -18.1249 0.360 -0.144 0.033 0.022 0.0085 0.063 0.046 2022 12 13 59926 112.236 189.379 -17.6366 0.380 -0.174 0.033 0.022 0.0085 0.064 0.047 2022 12 14 59927 110.080 189.730 -17.3307 0.379 -0.176 0.033 0.022 0.0086 0.064 0.049 2022 12 15 59928 107.814 190.648 -17.1034 0.373 -0.170 0.032 0.023 0.0088 0.065 0.051 2022 12 16 59929 105.268 191.670 -17.0618 0.260 -0.130 0.032 0.023 0.0090 0.500 0.500 2022 12 17 59930 102.593 192.207 -17.1432 0.246 -0.137 0.032 0.023 0.0092 0.500 0.500 2022 12 18 59931 100.158 192.495 -17.3658 0.236 -0.141 0.032 0.024 0.0095 0.500 0.500 2022 12 19 59932 98.207 192.799 -17.7194 0.232 -0.142 0.032 0.024 0.0098 0.500 0.500 2022 12 20 59933 96.716 193.086 -17.9744 0.235 -0.139 0.032 0.025 0.0100 0.500 0.500 2022 12 21 59934 95.771 193.354 -18.1213 0.243 -0.135 0.032 0.025 0.0103 0.500 0.500 2022 12 22 59935 94.886 193.944 -18.0864 0.252 -0.130 0.032 0.026 0.0106 0.500 0.500 2022 12 23 59936 93.465 194.921 -17.9020 0.260 -0.126 0.032 0.026 0.0109 0.500 0.500 2022 12 24 59937 91.398 196.124 -17.5841 0.263 -0.124 0.032 0.027 0.0111 0.500 0.500 2022 12 25 59938 88.395 197.111 -17.3120 0.262 -0.123 0.032 0.027 0.0114 0.500 0.500 2022 12 26 59939 85.208 197.393 -17.2332 0.256 -0.124 0.032 0.028 0.0116 0.500 0.500 2022 12 27 59940 82.047 197.828 -17.4628 0.246 -0.126 0.032 0.028 0.0119 0.500 0.500 2022 12 28 59941 78.264 198.386 -17.9280 0.234 -0.127 0.033 0.029 0.0122 0.500 0.500 2022 12 29 59942 74.734 198.596 -18.4743 0.222 -0.127 0.034 0.030 0.0125 0.500 0.500 2022 12 30 59943 71.296 199.200 -18.9936 0.213 -0.125 0.035 0.031 0.0128 0.500 0.500 2022 12 31 59944 67.058 200.115 -19.4357 0.210 -0.122 0.036 0.032 0.0131 0.500 0.500 2023 1 1 59945 62.725 200.896 -19.7534 0.214 -0.118 0.038 0.033 0.0136 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 2022 11 2 59885 -113.700 -7.501 0.186 0.085 2022 11 3 59886 -113.392 -7.399 0.186 0.084 2022 11 4 59887 -113.257 -7.249 0.184 0.082 2022 11 5 59888 -113.353 -7.066 0.184 0.080 2022 11 6 59889 -113.543 -6.869 0.181 0.077 2022 11 7 59890 -113.659 -6.688 0.181 0.075 2022 11 8 59891 -113.660 -6.582 0.178 0.073 2022 11 9 59892 -113.571 -6.657 0.178 0.072 2022 11 10 59893 -113.564 -6.849 0.176 0.072 2022 11 11 59894 -113.631 -7.013 0.176 0.071 2022 11 12 59895 -113.596 -7.056 0.173 0.069 2022 11 13 59896 -113.352 -6.999 0.171 0.067 2022 11 14 59897 -112.967 -6.958 0.171 0.066 2022 11 15 59898 -112.549 -7.008 0.168 0.064 2022 11 16 59899 -112.120 -7.099 0.168 0.062 2022 11 17 59900 -111.735 -7.093 0.168 0.061 2022 11 18 59901 -111.559 -6.936 0.166 0.060 2022 11 19 59902 -111.782 -6.671 0.166 0.058 2022 11 20 59903 -112.283 -6.399 0.163 0.056 2022 11 21 59904 -112.747 -6.164 0.163 0.055 2022 11 22 59905 -112.985 -5.999 0.161 0.054 2022 11 23 59906 -113.015 -5.992 0.161 0.053 2022 11 24 59907 -112.960 -6.178 0.161 0.052 2022 11 25 59908 -112.800 -6.422 0.161 0.052 2022 11 26 59909 -112.502 -6.504 0.158 0.051 2022 11 27 59910 -112.173 -6.392 0.158 0.050 2022 11 28 59911 -111.939 -6.246 0.158 0.049 2022 11 29 59912 -111.789 -6.198 0.156 0.048 2022 11 30 59913 -111.648 -6.204 0.156 0.048 2022 12 1 59914 -111.563 -6.191 0.156 0.047 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 2022 11 2 59885 0.3864 0.0070 15.04106711140 0.00000000122 2022 11 3 59886 0.6985 0.0071 15.04106705707 0.00000000124 2022 11 4 59887 0.9383 0.0070 15.04106701533 0.00000000122 2022 11 5 59888 1.0174 0.0070 15.04106700155 0.00000000122 2022 11 6 59889 0.9653 0.0070 15.04106701062 0.00000000122 2022 11 7 59890 0.8221 0.0071 15.04106703555 0.00000000124 2022 11 8 59891 0.6274 0.0071 15.04106706945 0.00000000124 2022 11 9 59892 0.4106 0.0071 15.04106710719 0.00000000124 2022 11 10 59893 0.1395 0.0071 15.04106715439 0.00000000124 2022 11 11 59894 -0.0819 0.0072 15.04106719293 0.00000000125 2022 11 12 59895 -0.2287 0.0072 15.04106721848 0.00000000125 2022 11 13 59896 -0.2685 0.0064 15.04106722541 0.00000000111 2022 11 14 59897 -0.2339 0.0073 15.04106721939 0.00000000127 2022 11 15 59898 -0.1003 0.0073 15.04106719613 0.00000000127 2022 11 16 59899 0.0656 0.0073 15.04106716725 0.00000000127 2022 11 17 59900 0.2558 0.0072 15.04106713414 0.00000000125 2022 11 18 59901 0.4564 0.0072 15.04106709922 0.00000000125 2022 11 19 59902 0.6333 0.0072 15.04106706842 0.00000000125 2022 11 20 59903 0.7403 0.0072 15.04106704979 0.00000000125 2022 11 21 59904 0.7705 0.0071 15.04106704454 0.00000000124 2022 11 22 59905 0.6878 0.0070 15.04106705893 0.00000000122 2022 11 23 59906 0.5125 0.0071 15.04106708945 0.00000000124 2022 11 24 59907 0.2509 0.0071 15.04106713499 0.00000000124 2022 11 25 59908 0.0142 0.0071 15.04106717620 0.00000000124 2022 11 26 59909 -0.1455 0.0070 15.04106720400 0.00000000122 2022 11 27 59910 -0.2080 0.0070 15.04106721488 0.00000000122 2022 11 28 59911 -0.1633 0.0065 15.04106720710 0.00000000113 2022 11 29 59912 0.0128 0.0071 15.04106717644 0.00000000124 2022 11 30 59913 0.2026 0.0071 15.04106714340 0.00000000124 2022 12 1 59914 0.3855 0.0071 15.04106711156 0.00000000124 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [59885-59914] No leap second introduced during period [59885-59914] 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 bkg2020a.eoxy 45 56 2 - 12 31 9 59887.27 to 59913.21 105 116 15 - 36 38 GSFC gsf2020a.eoxy 48 46 3 7 12 32 9 59887.27 to 59913.21 110 130 19 16 36 15 IAA iaa2021a.eops 26 39 2 - 9 24 7 59887.27 to 59913.21 127 134 17 - 46 20 USNO usn2022c.eoxy 26 31 1 - 11 27 8 59887.27 to 59913.21 58 77 15 - 21 12 IVS * ivs20r1X.eops 30 32 1 - 11 27 8 59887.28 to 59913.21 70 72 15 - 4 5 OPA * opa2021a.eops 316 486 13 - 45 110 8 59887.27 to 59913.21 4393 2168 74 - 746 380 VLBI Intensive GSI * gsiint2c.eopi - - 9 - - - 4 59888.33 to 59896.33 - - 10 - - - BKG * bkg2022.eopi - - 7 - - - 41 59885.79 to 59913.79 - - 65 - - - GSFC * gsf2020a.eopi - - 10 - - - 41 59885.79 to 59913.79 - - 54 - - - IAA * iaa2021a.eopi - - 18 - - - 55 59885.79 to 59913.79 - - 54 - - - USNO * usn2022c.eopi - - 8 - - - 48 59885.79 to 59913.79 - - 71 - - - OPA opa2021i.eopi - - 8 - - - 30 59885.79 to 59913.79 - - 163 - - - GPS CODE COD*ERP_R 5 5 - 0 - - 29 59885.50 to 59913.50 21 26 - 17 - - JPL jpl*.erp 10 11 - 5 - - 29 59885.50 to 59913.50 29 31 - 22 - - GFZ gfz*.erp 8 9 - 2 - - 18 59885.50 to 59902.50 28 26 - 14 - - ESOC esa*.erp 8 8 - 3 - - 25 59885.50 to 59909.50 33 27 - 14 - - SIO sio*.erp 25 23 - 8 - - 25 59885.50 to 59909.50 49 27 - 23 - - EMR emr*.erp 29 29 - 8 - - 25 59885.50 to 59909.50 30 36 - 17 - - IAA gnss.res 0 0 - 0 - - 21 59885.50 to 59913.50 60 65 - 20 - - GRGS grg*.erp 230 230 - 0 - - 25 59885.50 to 59909.50 26 24 - 12 - - ASI asi*.erp 9 8 - 0 - - 11 59885.50 to 59902.50 56 36 - 44 - - MIT mit*.erp 13 12 - 2 - - 25 59885.50 to 59909.50 28 30 - 15 - - IGR * igs96p02.erp 13 10 - 2 - - 29 59885.50 to 59913.50 23 24 - 11 - - IGS * igs00p03.erp 4 4 - 0 - - 28 59885.50 to 59913.50 25 29 - 15 - - SLR MCC tg*.02 191 183 - 27 - - 30 59885.00 to 59914.00 153 114 - 182 - - IAA slr_v.dat 78 77 - 5 - - 30 59885.00 to 59914.00 167 176 - 25 - - ASI asi.*.eops 99 91 - 20 - - 29 59885.50 to 59913.50 253 261 - 68 - - ILRS * ilrsa.eop 67 61 - 11 - - 29 59885.50 to 59913.50 179 178 - 30 - - BULLETIN A NEOS mark3.out 23 23 5 - - - 30 59885.00 to 59914.00 51 45 19 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html