BULLETIN B 409 1 March 2022 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 0.026 0.021 0.0065 0.016 0.036 2022 1 2 59581 53.381 277.886 -110.3891 0.077 -0.230 0.027 0.022 0.0083 0.043 0.049 2022 1 3 59582 52.855 278.999 -110.1398 0.095 -0.202 0.027 0.022 0.0084 0.043 0.048 2022 1 4 59583 53.294 280.607 -109.9190 0.114 -0.174 0.027 0.022 0.0075 0.043 0.047 2022 1 5 59584 53.559 282.963 -109.8692 0.132 -0.152 0.026 0.022 0.0074 0.043 0.046 2022 1 6 59585 53.042 285.048 -110.0259 0.150 -0.132 0.026 0.022 0.0073 0.043 0.045 2022 1 7 59586 51.849 286.983 -110.3610 0.169 -0.113 0.026 0.022 0.0071 0.043 0.044 2022 1 8 59587 50.225 288.671 -110.7892 0.194 -0.092 0.025 0.022 0.0071 0.042 0.042 2022 1 9 59588 48.602 290.231 -111.2277 0.222 -0.071 0.025 0.022 0.0071 0.042 0.041 2022 1 10 59589 47.155 291.472 -111.6091 0.249 -0.050 0.025 0.022 0.0069 0.042 0.040 2022 1 11 59590 45.595 292.576 -111.8697 0.277 -0.029 0.025 0.022 0.0068 0.042 0.038 2022 1 12 59591 44.205 293.449 -111.9606 0.266 -0.035 0.025 0.022 0.0067 0.042 0.037 2022 1 13 59592 43.394 294.345 -111.8677 0.244 -0.047 0.025 0.022 0.0066 0.042 0.036 2022 1 14 59593 43.106 295.839 -111.5941 0.223 -0.060 0.025 0.021 0.0065 0.042 0.036 2022 1 15 59594 43.114 297.844 -111.1643 0.205 -0.078 0.025 0.021 0.0066 0.041 0.035 2022 1 16 59595 42.534 299.918 -110.6129 0.188 -0.097 0.025 0.022 0.0066 0.041 0.034 2022 1 17 59596 41.549 301.463 -110.0064 0.172 -0.117 0.025 0.022 0.0067 0.041 0.034 2022 1 18 59597 39.912 303.016 -109.3760 0.155 -0.136 0.025 0.022 0.0067 0.041 0.033 2022 1 19 59598 38.420 303.951 -108.8179 0.139 -0.156 0.025 0.022 0.0066 0.041 0.033 2022 1 20 59599 37.831 305.025 -108.4531 0.157 -0.185 0.025 0.021 0.0063 0.041 0.032 2022 1 21 59600 37.456 306.196 -108.2981 0.184 -0.218 0.025 0.021 0.0059 0.041 0.032 2022 1 22 59601 36.968 307.328 -108.3306 0.174 -0.208 0.025 0.021 0.0059 0.041 0.031 2022 1 23 59602 36.011 308.634 -108.5119 0.149 -0.180 0.025 0.021 0.0060 0.041 0.031 2022 1 24 59603 34.458 310.100 -108.7689 0.124 -0.153 0.026 0.021 0.0059 0.041 0.030 2022 1 25 59604 32.747 311.519 -109.0294 0.100 -0.126 0.026 0.021 0.0059 0.041 0.030 2022 1 26 59605 31.327 312.793 -109.2242 0.124 -0.137 0.027 0.021 0.0059 0.041 0.030 2022 1 27 59606 30.254 314.102 -109.2764 0.162 -0.159 0.027 0.021 0.0054 0.041 0.030 2022 1 28 59607 29.060 315.654 -109.1370 0.200 -0.181 0.028 0.021 0.0054 0.042 0.030 2022 1 29 59608 28.306 317.130 -108.8191 0.198 -0.190 0.028 0.021 0.0054 0.042 0.030 2022 1 30 59609 27.664 318.978 -108.3658 0.181 -0.195 0.029 0.021 0.0054 0.042 0.030 2022 1 31 59610 26.619 320.963 -107.8483 0.165 -0.200 0.028 0.020 0.0054 0.042 0.031 2022 2 1 59611 26.102 323.015 -107.3994 0.148 -0.205 0.028 0.020 0.0054 0.042 0.031 Preliminary extension 2022 2 2 59612 25.833 325.486 -107.1431 0.153 -0.230 0.029 0.020 0.0055 0.043 0.032 2022 2 3 59613 25.681 327.753 -107.0987 0.164 -0.260 0.029 0.020 0.0057 0.044 0.033 2022 2 4 59614 25.779 330.018 -107.2225 0.175 -0.290 0.029 0.020 0.0058 0.044 0.035 2022 2 5 59615 25.739 332.213 -107.4266 0.169 -0.239 0.029 0.020 0.0059 0.045 0.037 2022 2 6 59616 25.676 333.935 -107.6112 0.157 -0.158 0.029 0.020 0.0061 0.046 0.038 2022 2 7 59617 25.773 335.608 -107.6873 0.145 -0.077 0.029 0.020 0.0062 0.046 0.040 2022 2 8 59618 25.198 337.365 -107.5928 0.133 0.004 0.029 0.020 0.0063 0.047 0.041 2022 2 9 59619 24.118 338.475 -107.2987 0.149 0.009 0.029 0.020 0.0065 0.048 0.043 2022 2 10 59620 22.950 339.544 -106.7970 0.173 -0.006 0.029 0.020 0.0067 0.048 0.045 2022 2 11 59621 21.322 340.638 -106.1128 0.196 -0.021 0.030 0.021 0.0070 0.049 0.047 2022 2 12 59622 19.509 341.954 -105.2913 0.214 -0.044 0.030 0.021 0.0072 0.050 0.049 2022 2 13 59623 17.953 343.169 -104.4266 0.230 -0.070 0.030 0.021 0.0074 0.051 0.051 2022 2 14 59624 17.173 344.293 -103.6313 0.246 -0.096 0.031 0.021 0.0077 0.052 0.053 2022 2 15 59625 16.819 345.854 -102.9945 0.263 -0.122 0.031 0.021 0.0079 0.052 0.055 2022 2 16 59626 16.375 347.610 -102.5133 0.000 0.000 0.032 0.021 0.0082 0.053 0.058 2022 2 17 59627 16.163 349.957 -102.2834 0.000 0.000 0.032 0.021 0.0086 0.054 0.061 2022 2 18 59628 15.893 352.553 -102.2579 0.000 0.000 0.032 0.021 0.0089 0.055 0.063 2022 2 19 59629 16.056 355.010 -102.4755 0.000 0.000 0.033 0.022 0.0092 0.056 0.065 2022 2 20 59630 16.154 357.354 -102.8263 0.000 0.000 0.033 0.022 0.0095 0.057 0.067 2022 2 21 59631 16.224 359.462 -103.2003 0.000 0.000 0.034 0.022 0.0098 0.058 0.068 2022 2 22 59632 16.676 361.281 -103.5148 0.000 0.000 0.034 0.023 0.0101 0.058 0.070 2022 2 23 59633 17.625 362.773 -103.7098 0.011 -0.013 0.035 0.023 0.0105 0.500 0.500 2022 2 24 59634 18.485 364.352 -103.7710 0.034 -0.033 0.036 0.024 0.0109 0.500 0.500 2022 2 25 59635 18.933 365.822 -103.4673 0.065 -0.055 0.036 0.025 0.0113 0.500 0.500 2022 2 26 59636 19.593 367.231 -103.0963 0.091 -0.069 0.037 0.025 0.0117 0.500 0.500 2022 2 27 59637 20.234 368.842 -102.6861 0.103 -0.073 0.038 0.026 0.0121 0.500 0.500 2022 2 28 59638 20.660 370.599 -102.2668 0.097 -0.070 0.040 0.027 0.0125 0.500 0.500 2022 3 1 59639 20.985 372.414 -102.0434 0.081 -0.067 0.041 0.028 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 2022 1 2 59581 -111.877 -5.801 0.108 0.049 2022 1 3 59582 -111.401 -5.868 0.108 0.048 2022 1 4 59583 -110.807 -5.829 0.108 0.047 2022 1 5 59584 -110.307 -5.882 0.108 0.046 2022 1 6 59585 -109.937 -5.974 0.108 0.045 2022 1 7 59586 -109.778 -5.861 0.108 0.044 2022 1 8 59587 -109.885 -5.484 0.106 0.042 2022 1 9 59588 -110.147 -5.099 0.106 0.041 2022 1 10 59589 -110.373 -4.960 0.106 0.040 2022 1 11 59590 -110.484 -5.049 0.106 0.038 2022 1 12 59591 -110.597 -5.195 0.106 0.037 2022 1 13 59592 -110.603 -5.273 0.106 0.036 2022 1 14 59593 -110.438 -5.353 0.106 0.036 2022 1 15 59594 -110.195 -5.540 0.103 0.035 2022 1 16 59595 -110.039 -5.787 0.103 0.034 2022 1 17 59596 -109.987 -5.955 0.103 0.034 2022 1 18 59597 -109.902 -5.973 0.103 0.033 2022 1 19 59598 -109.671 -5.907 0.103 0.033 2022 1 20 59599 -109.285 -5.871 0.103 0.032 2022 1 21 59600 -108.956 -5.893 0.103 0.032 2022 1 22 59601 -108.866 -5.897 0.103 0.031 2022 1 23 59602 -108.922 -5.877 0.103 0.031 2022 1 24 59603 -109.048 -5.839 0.103 0.030 2022 1 25 59604 -109.241 -5.759 0.103 0.030 2022 1 26 59605 -109.416 -5.652 0.103 0.030 2022 1 27 59606 -109.698 -5.548 0.103 0.030 2022 1 28 59607 -110.085 -5.577 0.106 0.030 2022 1 29 59608 -110.488 -5.790 0.106 0.030 2022 1 30 59609 -110.627 -6.064 0.106 0.030 2022 1 31 59610 -110.424 -6.222 0.106 0.031 2022 2 1 59611 -110.029 -6.256 0.106 0.031 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 1 2 59581 -0.2254 0.0066 15.04106721791 0.00000000115 2022 1 3 59582 -0.2593 0.0066 15.04106722381 0.00000000115 2022 1 4 59583 -0.1210 0.0067 15.04106719973 0.00000000117 2022 1 5 59584 0.0832 0.0067 15.04106716419 0.00000000117 2022 1 6 59585 0.2481 0.0068 15.04106713548 0.00000000118 2022 1 7 59586 0.3632 0.0068 15.04106711544 0.00000000118 2022 1 8 59587 0.4361 0.0069 15.04106710275 0.00000000120 2022 1 9 59588 0.4120 0.0069 15.04106710695 0.00000000120 2022 1 10 59589 0.3188 0.0070 15.04106712317 0.00000000122 2022 1 11 59590 0.1719 0.0069 15.04106714874 0.00000000120 2022 1 12 59591 -0.0010 0.0069 15.04106717884 0.00000000120 2022 1 13 59592 -0.1786 0.0070 15.04106720976 0.00000000122 2022 1 14 59593 -0.3603 0.0069 15.04106724139 0.00000000120 2022 1 15 59594 -0.4983 0.0069 15.04106726542 0.00000000120 2022 1 16 59595 -0.5991 0.0070 15.04106728297 0.00000000122 2022 1 17 59596 -0.6154 0.0070 15.04106728580 0.00000000122 2022 1 18 59597 -0.6054 0.0071 15.04106728406 0.00000000124 2022 1 19 59598 -0.4807 0.0071 15.04106726235 0.00000000124 2022 1 20 59599 -0.2680 0.0070 15.04106722533 0.00000000122 2022 1 21 59600 -0.0409 0.0071 15.04106718579 0.00000000124 2022 1 22 59601 0.1170 0.0071 15.04106715830 0.00000000124 2022 1 23 59602 0.2229 0.0071 15.04106713987 0.00000000124 2022 1 24 59603 0.2555 0.0072 15.04106713419 0.00000000125 2022 1 25 59604 0.2359 0.0072 15.04106713760 0.00000000125 2022 1 26 59605 0.1302 0.0072 15.04106715600 0.00000000125 2022 1 27 59606 -0.0451 0.0073 15.04106718652 0.00000000127 2022 1 28 59607 -0.2362 0.0073 15.04106721979 0.00000000127 2022 1 29 59608 -0.4108 0.0074 15.04106725019 0.00000000129 2022 1 30 59609 -0.4934 0.0074 15.04106726456 0.00000000129 2022 1 31 59610 -0.4966 0.0072 15.04106726512 0.00000000125 2022 2 1 59611 -0.3471 0.0072 15.04106723910 0.00000000125 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [59581-59611] No leap second introduced during period [59581-59611] 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 CGS cgs2007a.eops 80 84 28 - 0 0 10 59583.41 to 59607.29 218 556 32 - 124 274 BKG bkg2020a.eoxy 88 82 5 - 16 38 11 59583.21 to 59607.27 76 136 16 - 57 76 GSFC gsf2020a.eoxy 99 81 5 18 17 41 11 59583.21 to 59607.27 293 272 32 35 73 39 IAA iaa2021a.eops 47 55 3 - 15 39 6 59583.21 to 59607.27 92 102 23 - 72 84 USNO usn2021c.eoxy 25 26 1 - 9 26 8 59583.21 to 59607.27 58 94 14 - 23 17 IVS * ivs20r1X.eops 7 8 0 - 2 7 8 59583.22 to 59607.26 85 111 15 - 8 7 VLBI Intensive GSI * gsiint2c.eopi - - 10 - - - 9 59581.33 to 59609.33 - - 14 - - - BKG * bkg2020.eopi - - 30 - - - 33 59581.33 to 59610.31 - - 57 - - - GSFC * gsf2020a.eopi - - 61 - - - 35 59581.33 to 59610.31 - - 135 - - - IAA * iaa2021a.eopi - - 38 - - - 47 59581.33 to 59610.79 - - 36 - - - PUL pul2010a.eopi - - NaN - - - 0 00000.00 to 00000.00 - - 0 - - - USNO * usn2021c.eopi - - 59 - - - 34 59581.33 to 59610.31 - - 86 - - - GPS CODE COD*ERP_R 5 5 - 0 - - 30 59581.50 to 59610.50 146 119 - 13 - - JPL jpl*.erp 13 14 - 5 - - 30 59581.50 to 59610.50 36 28 - 22 - - GFZ gfz*.erp 8 9 - 2 - - 30 59581.50 to 59610.50 27 35 - 13 - - ESOC esa*.erp 8 9 - 3 - - 30 59581.50 to 59610.50 31 31 - 13 - - SIO sio*.erp siu*.erp 30 28 - 5 - - 30 59581.50 to 59610.50 33 43 - 19 - - EMR emr*.erp 3 3 - 1 - - 30 59581.50 to 59610.50 46 65 - 14 - - IAA gnss.res 0 0 - 0 - - 30 59581.50 to 59610.50 71 76 - 23 - - GRGS grg*.erp 224 224 - 0 - - 30 59581.50 to 59610.50 31 29 - 12 - - ASI asi*.erp 8 8 - 0 - - 16 59581.50 to 59610.50 55 37 - 126 - - MIT mit*.erp 13 12 - 1 - - 30 59581.50 to 59610.50 37 32 - 18 - - IGR * igs96p02.erp 10 12 - 2 - - 30 59581.50 to 59610.50 24 25 - 12 - - IGS * igs00p03.erp 3 3 - 0 - - 30 59581.50 to 59610.50 29 31 - 17 - - SLR MCC tg*.02 169 195 - 31 - - 31 59581.00 to 59611.00 145 131 - 78 - - IAA slr_v.dat 62 64 - 4 - - 31 59581.00 to 59611.00 208 164 - 23 - - ASI slr_oca*.eop 59 60 - 9 - - 30 59581.50 to 59610.50 206 253 - 68 - - ILRS * ilrsa.eop 58 59 - 10 - - 30 59581.50 to 59610.50 166 238 - 33 - - BULLETIN A NEOS mark3.out 21 29 4 - - - 31 59581.00 to 59611.00 57 41 17 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html