BULLETIN B 412 4 June 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 0.029 0.019 0.0130 0.025 0.059 2022 4 2 59671 43.471 428.898 -99.7958 0.233 -0.071 0.032 0.020 0.0113 0.065 0.072 2022 4 3 59672 44.401 430.964 -100.0185 0.226 -0.050 0.032 0.020 0.0110 0.065 0.070 2022 4 4 59673 45.179 433.548 -100.0877 0.220 -0.030 0.031 0.020 0.0109 0.065 0.069 2022 4 5 59674 45.558 436.184 -99.9601 0.214 -0.009 0.031 0.020 0.0114 0.065 0.068 2022 4 6 59675 46.324 438.296 -99.6161 0.222 -0.008 0.031 0.020 0.0129 0.065 0.066 2022 4 7 59676 47.660 440.084 -99.1087 0.233 -0.013 0.031 0.020 0.0129 0.065 0.064 2022 4 8 59677 49.412 441.800 -98.5116 0.245 -0.018 0.031 0.020 0.0129 0.065 0.063 2022 4 9 59678 51.279 443.588 -97.9207 0.264 -0.022 0.031 0.019 0.0130 0.065 0.061 2022 4 10 59679 52.631 445.310 -97.3816 0.286 -0.028 0.031 0.019 0.0128 0.065 0.060 2022 4 11 59680 53.447 447.037 -96.9159 0.307 -0.033 0.031 0.019 0.0128 0.065 0.058 2022 4 12 59681 54.284 449.011 -96.5845 0.329 -0.038 0.030 0.019 0.0151 0.065 0.057 2022 4 13 59682 55.292 451.073 -96.4523 0.323 -0.084 0.030 0.019 0.0140 0.065 0.056 2022 4 14 59683 56.547 452.892 -96.5557 0.309 -0.141 0.030 0.019 0.0141 0.065 0.056 2022 4 15 59684 57.823 454.485 -96.8994 0.302 -0.137 0.030 0.019 0.0140 0.065 0.056 2022 4 16 59685 59.424 456.172 -97.4129 0.298 -0.109 0.030 0.019 0.0142 0.065 0.056 2022 4 17 59686 61.164 457.851 -97.9865 0.293 -0.082 0.030 0.020 0.0142 0.065 0.057 2022 4 18 59687 63.734 459.266 -98.5020 0.289 -0.054 0.030 0.020 0.0128 0.065 0.057 2022 4 19 59688 66.192 460.869 -98.8272 0.284 -0.027 0.029 0.020 0.0140 0.065 0.058 2022 4 20 59689 68.329 461.999 -98.8949 0.280 0.001 0.029 0.020 0.0139 0.065 0.058 2022 4 21 59690 70.468 463.064 -98.7060 0.297 -0.039 0.030 0.020 0.0136 0.065 0.058 2022 4 22 59691 72.707 464.098 -98.3386 0.320 -0.096 0.029 0.019 0.0135 0.065 0.059 2022 4 23 59692 75.204 465.058 -97.9051 0.323 -0.106 0.029 0.019 0.0135 0.065 0.059 2022 4 24 59693 77.859 466.247 -97.5194 0.318 -0.099 0.030 0.019 0.0134 0.065 0.060 2022 4 25 59694 80.557 467.896 -97.2632 0.313 -0.093 0.027 0.019 0.0130 0.065 0.060 2022 4 26 59695 82.859 469.891 -97.1847 0.308 -0.086 0.028 0.019 0.0121 0.065 0.060 2022 4 27 59696 84.908 471.486 -97.2203 0.307 -0.106 0.028 0.019 0.0135 0.065 0.059 2022 4 28 59697 86.518 472.819 -97.3522 0.307 -0.133 0.027 0.018 0.0135 0.065 0.059 2022 4 29 59698 87.895 473.595 -97.4914 0.308 -0.160 0.027 0.018 0.0134 0.065 0.058 2022 4 30 59699 89.653 474.104 -97.5559 0.307 -0.141 0.028 0.018 0.0133 0.065 0.056 2022 5 1 59700 91.728 474.632 -97.5257 0.306 -0.104 0.028 0.018 0.0132 0.065 0.055 Preliminary extension 2022 5 2 59701 93.634 475.311 -97.4187 0.304 -0.068 0.028 0.019 0.0131 0.065 0.053 2022 5 3 59702 95.563 476.140 -97.2185 0.303 -0.031 0.028 0.019 0.0130 0.064 0.052 2022 5 4 59703 97.691 476.906 -96.9126 0.302 0.005 0.028 0.019 0.0128 0.064 0.051 2022 5 5 59704 99.882 477.903 -96.4992 0.306 0.025 0.028 0.019 0.0125 0.064 0.050 2022 5 6 59705 101.683 478.833 -96.0256 0.311 0.041 0.028 0.019 0.0124 0.064 0.050 2022 5 7 59706 103.406 479.540 -95.5546 0.316 0.007 0.028 0.019 0.0124 0.064 0.049 2022 5 8 59707 105.115 480.075 -95.1550 0.321 -0.047 0.028 0.019 0.0123 0.064 0.048 2022 5 9 59708 106.700 480.537 -94.9233 0.326 -0.101 0.028 0.019 0.0122 0.064 0.047 2022 5 10 59709 108.428 480.927 -94.8334 0.331 -0.155 0.028 0.019 0.0121 0.064 0.047 2022 5 11 59710 110.935 481.776 -95.0144 0.337 -0.172 0.028 0.019 0.0122 0.064 0.047 2022 5 12 59711 113.476 482.703 -95.4543 0.345 -0.179 0.029 0.019 0.0122 0.064 0.047 2022 5 13 59712 116.104 483.386 -96.0630 0.352 -0.186 0.029 0.019 0.0123 0.065 0.048 2022 5 14 59713 118.528 483.972 -96.7426 0.369 -0.175 0.029 0.020 0.0126 0.065 0.049 2022 5 15 59714 120.799 484.447 -97.3660 0.389 -0.157 0.030 0.020 0.0129 0.065 0.050 2022 5 16 59715 122.380 485.327 -97.8665 0.410 -0.139 0.031 0.020 0.0132 0.066 0.052 2022 5 17 59716 123.242 485.919 -98.1732 0.431 -0.121 0.031 0.020 0.0134 0.066 0.053 2022 5 18 59717 124.616 485.668 -98.2322 0.442 -0.124 0.032 0.021 0.0138 0.067 0.055 2022 5 19 59718 126.481 485.569 -98.0698 0.452 -0.133 0.032 0.021 0.0142 0.067 0.057 2022 5 20 59719 128.374 485.536 -97.9213 0.461 -0.141 0.033 0.021 0.0145 0.067 0.059 2022 5 21 59720 130.675 486.040 -97.7659 0.447 -0.145 0.034 0.022 0.0149 0.500 0.500 2022 5 22 59721 132.951 486.767 -97.6844 0.417 -0.142 0.034 0.022 0.0154 0.500 0.500 2022 5 23 59722 135.355 487.364 -97.7434 0.381 -0.135 0.034 0.022 0.0158 0.500 0.500 2022 5 24 59723 137.700 488.199 -97.9900 0.352 -0.127 0.035 0.023 0.0162 0.500 0.500 2022 5 25 59724 139.639 488.606 -98.2750 0.339 -0.123 0.035 0.023 0.0166 0.500 0.500 2022 5 26 59725 141.632 488.520 -98.5114 0.343 -0.123 0.036 0.024 0.0170 0.500 0.500 2022 5 27 59726 143.625 488.459 -98.6405 0.357 -0.128 0.036 0.024 0.0174 0.500 0.500 2022 5 28 59727 145.103 488.398 -98.6047 0.372 -0.134 0.037 0.025 0.0179 0.500 0.500 2022 5 29 59728 146.692 488.293 -98.3299 0.381 -0.141 0.038 0.026 0.0183 0.500 0.500 2022 5 30 59729 148.073 488.071 -97.7854 0.385 -0.146 0.039 0.026 0.0187 0.500 0.500 2022 5 31 59730 149.776 487.119 -96.9585 0.386 -0.149 0.040 0.027 0.0191 0.500 0.500 2022 6 1 59731 151.957 486.177 -95.8981 0.389 -0.150 0.041 0.028 0.0195 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 4 2 59671 -106.536 -8.278 0.163 0.072 2022 4 3 59672 -106.583 -8.291 0.163 0.070 2022 4 4 59673 -106.727 -8.395 0.163 0.069 2022 4 5 59674 -106.928 -8.515 0.163 0.068 2022 4 6 59675 -107.011 -8.588 0.163 0.066 2022 4 7 59676 -106.904 -8.610 0.163 0.064 2022 4 8 59677 -106.602 -8.670 0.163 0.063 2022 4 9 59678 -106.131 -8.844 0.163 0.061 2022 4 10 59679 -105.574 -9.106 0.163 0.060 2022 4 11 59680 -105.095 -9.347 0.163 0.058 2022 4 12 59681 -104.884 -9.491 0.163 0.057 2022 4 13 59682 -105.062 -9.565 0.163 0.056 2022 4 14 59683 -105.379 -9.547 0.163 0.056 2022 4 15 59684 -105.550 -9.362 0.163 0.056 2022 4 16 59685 -105.603 -9.095 0.163 0.056 2022 4 17 59686 -105.807 -8.908 0.163 0.057 2022 4 18 59687 -106.274 -8.922 0.163 0.057 2022 4 19 59688 -106.773 -9.104 0.163 0.058 2022 4 20 59689 -106.960 -9.291 0.163 0.058 2022 4 21 59690 -106.695 -9.434 0.163 0.058 2022 4 22 59691 -106.211 -9.508 0.163 0.059 2022 4 23 59692 -105.797 -9.527 0.163 0.059 2022 4 24 59693 -105.498 -9.555 0.163 0.060 2022 4 25 59694 -105.265 -9.590 0.163 0.060 2022 4 26 59695 -105.109 -9.593 0.163 0.060 2022 4 27 59696 -105.096 -9.548 0.163 0.059 2022 4 28 59697 -105.258 -9.407 0.163 0.059 2022 4 29 59698 -105.480 -9.203 0.163 0.058 2022 4 30 59699 -105.614 -9.011 0.163 0.056 2022 5 1 59700 -105.627 -8.987 0.163 0.055 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 4 2 59671 0.2749 0.0072 15.04106713081 0.00000000125 2022 4 3 59672 0.1447 0.0072 15.04106715348 0.00000000125 2022 4 4 59673 -0.0328 0.0071 15.04106718438 0.00000000124 2022 4 5 59674 -0.2317 0.0071 15.04106721901 0.00000000124 2022 4 6 59675 -0.4384 0.0071 15.04106725499 0.00000000124 2022 4 7 59676 -0.5727 0.0072 15.04106727837 0.00000000125 2022 4 8 59677 -0.6006 0.0071 15.04106728323 0.00000000124 2022 4 9 59678 -0.5595 0.0071 15.04106727607 0.00000000124 2022 4 10 59679 -0.5042 0.0071 15.04106726644 0.00000000124 2022 4 11 59680 -0.4145 0.0071 15.04106725083 0.00000000124 2022 4 12 59681 -0.2357 0.0071 15.04106721970 0.00000000124 2022 4 13 59682 -0.0043 0.0071 15.04106717942 0.00000000124 2022 4 14 59683 0.2481 0.0071 15.04106713548 0.00000000124 2022 4 15 59684 0.4668 0.0071 15.04106709741 0.00000000124 2022 4 16 59685 0.5563 0.0071 15.04106708183 0.00000000124 2022 4 17 59686 0.5239 0.0071 15.04106708747 0.00000000124 2022 4 18 59687 0.4144 0.0071 15.04106710653 0.00000000124 2022 4 19 59688 0.2090 0.0070 15.04106714229 0.00000000122 2022 4 20 59689 -0.0552 0.0070 15.04106718828 0.00000000122 2022 4 21 59690 -0.3082 0.0070 15.04106723232 0.00000000122 2022 4 22 59691 -0.4087 0.0069 15.04106724982 0.00000000120 2022 4 23 59692 -0.3976 0.0069 15.04106724789 0.00000000120 2022 4 24 59693 -0.3138 0.0069 15.04106723330 0.00000000120 2022 4 25 59694 -0.1778 0.0066 15.04106720962 0.00000000115 2022 4 26 59695 -0.0024 0.0066 15.04106717909 0.00000000115 2022 4 27 59696 0.1167 0.0066 15.04106715835 0.00000000115 2022 4 28 59697 0.1364 0.0066 15.04106715492 0.00000000115 2022 4 29 59698 0.1236 0.0066 15.04106715715 0.00000000115 2022 4 30 59699 0.0411 0.0066 15.04106717152 0.00000000115 2022 5 1 59700 -0.0873 0.0066 15.04106719387 0.00000000115 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [59671-59700] No leap second introduced during period [59671-59700] 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 40 42 4 - 0 0 8 59674.23 to 59698.29 184 143 18 - 326 425 BKG bkg2020a.eoxy 41 49 2 - 10 25 9 59674.21 to 59698.27 68 75 16 - 20 47 GSFC gsf2020a.eoxy 44 41 2 5 11 26 9 59674.21 to 59698.27 57 58 17 12 16 31 IAA iaa2021a.eops 33 40 2 - 11 28 9 59674.21 to 59698.27 152 217 23 - 68 57 USNO usn2022a.eoxy 25 28 1 - 11 26 8 59674.21 to 59698.27 36 47 17 - 17 25 IVS * ivs20r1X.eops 17 25 1 - 5 11 8 59674.22 to 59698.28 49 59 15 - 4 12 VLBI Intensive GSI * gsiint2c.eopi - - 7 - - - 8 59671.34 to 59699.33 - - 18 - - - BKG * bkg2020.eopi - - 4 - - - 47 59671.33 to 59699.33 - - 71 - - - GSFC * gsf2020a.eopi - - 7 - - - 34 59671.33 to 59699.33 - - 40 - - - IAA * iaa2021a.eopi - - 5 - - - 58 59671.33 to 59699.33 - - 60 - - - USNO * usn2022a.eopi - - 7 - - - 4 59671.33 to 59674.79 - - 12 - - - GPS CODE COD*ERP_R 4 4 - 0 - - 29 59671.50 to 59699.50 20 17 - 14 - - JPL jpl*.erp 9 10 - 7 - - 29 59671.50 to 59699.50 35 24 - 20 - - GFZ gfz*.erp 8 9 - 2 - - 29 59671.50 to 59699.50 28 30 - 15 - - ESOC esa*.erp 7 9 - 3 - - 29 59671.50 to 59699.50 31 24 - 15 - - SIO sio*.erp siu*.erp 30 29 - 5 - - 18 59671.50 to 59688.50 38 29 - 19 - - EMR emr*.erp 3 3 - 1 - - 29 59671.50 to 59699.50 50 37 - 13 - - IAA gnss.res 0 0 - 0 - - 27 59671.50 to 59699.50 86 105 - 55 - - GRGS grg*.erp 226 226 - 0 - - 29 59671.50 to 59699.50 22 23 - 11 - - ASI asi*.erp 9 8 - 0 - - 22 59671.50 to 59699.50 41 45 - 61 - - MIT mit*.erp 13 12 - 2 - - 29 59671.50 to 59699.50 35 30 - 18 - - IGR * igs96p02.erp 10 7 - 2 - - 29 59671.50 to 59699.50 27 19 - 12 - - IGS * igs00p03.erp 3 3 - 0 - - 29 59671.50 to 59699.50 27 26 - 16 - - SLR MCC tg*.02 185 195 - 18 - - 30 59671.00 to 59700.00 151 185 - 165 - - IAA slr_v.dat 65 69 - 4 - - 29 59671.00 to 59700.00 191 184 - 29 - - ASI asi2021a.eops 70 68 - 0 - - 29 59671.50 to 59699.50 217 283 - 30 - - ILRS * ilrsa.eop 44 46 - 7 - - 29 59671.50 to 59699.50 2721 4422 - 27 - - BULLETIN A NEOS mark3.out 17 23 5 - - - 30 59671.00 to 59700.00 47 31 16 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html