BULLETIN B 411 2 May 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 0.028 0.019 0.0108 0.023 0.073 2022 3 2 59640 21.778 373.951 -102.1944 0.190 -0.054 0.026 0.019 0.0091 0.053 0.078 2022 3 3 59641 23.290 376.273 -102.4561 0.256 -0.028 0.025 0.019 0.0096 0.053 0.078 2022 3 4 59642 24.972 378.479 -102.8435 0.322 -0.003 0.025 0.019 0.0093 0.054 0.079 2022 3 5 59643 26.774 380.581 -103.2424 0.310 -0.006 0.025 0.019 0.0093 0.054 0.078 2022 3 6 59644 28.086 382.600 -103.5550 0.269 -0.021 0.025 0.019 0.0094 0.055 0.077 2022 3 7 59645 29.543 384.798 -103.7203 0.228 -0.036 0.025 0.019 0.0095 0.055 0.076 2022 3 8 59646 31.018 386.712 -103.6844 0.187 -0.051 0.026 0.019 0.0095 0.056 0.075 2022 3 9 59647 32.281 388.541 -103.4089 0.208 -0.044 0.026 0.019 0.0093 0.056 0.074 2022 3 10 59648 33.104 390.312 -102.9383 0.245 -0.032 0.026 0.019 0.0099 0.056 0.074 2022 3 11 59649 33.708 392.105 -102.3346 0.283 -0.019 0.027 0.019 0.0101 0.057 0.073 2022 3 12 59650 34.130 393.729 -101.6864 0.282 -0.021 0.027 0.019 0.0102 0.057 0.073 2022 3 13 59651 34.502 395.152 -101.0372 0.267 -0.027 0.028 0.019 0.0104 0.058 0.074 2022 3 14 59652 34.354 396.685 -100.4104 0.251 -0.033 0.028 0.019 0.0105 0.058 0.074 2022 3 15 59653 34.250 398.014 -99.8830 0.236 -0.040 0.029 0.019 0.0111 0.059 0.074 2022 3 16 59654 33.972 399.563 -99.5467 0.240 -0.064 0.029 0.019 0.0109 0.059 0.075 2022 3 17 59655 33.426 401.244 -99.4339 0.248 -0.093 0.029 0.019 0.0111 0.059 0.076 2022 3 18 59656 33.046 402.931 -99.5428 0.256 -0.123 0.030 0.019 0.0113 0.060 0.076 2022 3 19 59657 32.894 404.430 -99.8242 0.250 -0.121 0.030 0.019 0.0114 0.060 0.076 2022 3 20 59658 33.017 405.997 -100.1905 0.239 -0.108 0.031 0.020 0.0116 0.060 0.076 2022 3 21 59659 33.291 407.432 -100.5194 0.227 -0.094 0.031 0.019 0.0117 0.061 0.075 2022 3 22 59660 34.163 408.866 -100.7374 0.216 -0.081 0.031 0.020 0.0109 0.061 0.074 2022 3 23 59661 35.739 410.677 -100.7668 0.204 -0.068 0.031 0.020 0.0109 0.061 0.074 2022 3 24 59662 37.184 412.921 -100.5632 0.172 -0.063 0.031 0.020 0.0118 0.061 0.073 2022 3 25 59663 38.276 415.002 -100.1852 0.135 -0.060 0.031 0.020 0.0118 0.062 0.073 2022 3 26 59664 39.275 416.959 -99.7325 0.151 -0.064 0.031 0.020 0.0118 0.062 0.071 2022 3 27 59665 40.293 418.593 -99.3188 0.187 -0.069 0.031 0.020 0.0126 0.062 0.070 2022 3 28 59666 41.691 420.175 -99.0554 0.224 -0.075 0.031 0.020 0.0119 0.062 0.068 2022 3 29 59667 42.792 421.696 -98.9777 0.260 -0.080 0.031 0.020 0.0124 0.062 0.066 2022 3 30 59668 43.491 423.055 -99.0426 0.260 -0.082 0.031 0.020 0.0124 0.062 0.064 2022 3 31 59669 43.570 424.794 -99.2346 0.250 -0.084 0.031 0.020 0.0118 0.062 0.062 2022 4 1 59670 43.301 426.919 -99.5031 0.240 -0.085 0.031 0.020 0.0114 0.062 0.060 Preliminary extension 2022 4 2 59671 43.471 428.898 -99.7958 0.233 -0.071 0.032 0.020 0.0113 0.062 0.058 2022 4 3 59672 44.401 430.964 -100.0185 0.226 -0.050 0.032 0.020 0.0110 0.062 0.056 2022 4 4 59673 45.178 433.546 -100.0877 0.220 -0.030 0.032 0.020 0.0109 0.062 0.054 2022 4 5 59674 45.559 436.186 -99.9600 0.214 -0.009 0.032 0.020 0.0109 0.062 0.053 2022 4 6 59675 46.324 438.295 -99.6165 0.222 -0.008 0.032 0.020 0.0108 0.062 0.051 2022 4 7 59676 47.662 440.087 -99.1099 0.233 -0.012 0.032 0.020 0.0107 0.062 0.049 2022 4 8 59677 49.410 441.799 -98.5131 0.245 -0.016 0.032 0.020 0.0106 0.062 0.048 2022 4 9 59678 51.279 443.591 -97.9235 0.269 -0.025 0.032 0.020 0.0106 0.062 0.046 2022 4 10 59679 52.635 445.310 -97.3843 0.298 -0.035 0.032 0.020 0.0105 0.062 0.044 2022 4 11 59680 53.455 447.042 -96.9145 0.327 -0.046 0.032 0.020 0.0104 0.061 0.043 2022 4 12 59681 54.287 449.011 -96.5791 0.356 -0.056 0.032 0.020 0.0102 0.061 0.042 2022 4 13 59682 55.299 451.074 -96.4324 0.362 -0.109 0.032 0.020 0.0103 0.062 0.042 2022 4 14 59683 56.550 452.892 -96.5546 0.362 -0.172 0.032 0.020 0.0104 0.062 0.043 2022 4 15 59684 57.835 454.486 -96.8990 0.358 -0.165 0.032 0.020 0.0106 0.062 0.044 2022 4 16 59685 59.417 456.176 -97.4145 0.352 -0.132 0.032 0.020 0.0109 0.063 0.046 2022 4 17 59686 61.171 457.853 -97.9758 0.346 -0.099 0.032 0.020 0.0111 0.063 0.048 2022 4 18 59687 63.726 459.266 -98.4742 0.341 -0.067 0.032 0.021 0.0114 0.064 0.050 2022 4 19 59688 66.195 460.863 -98.7976 0.335 -0.034 0.032 0.021 0.0117 0.064 0.052 2022 4 20 59689 68.314 462.001 -98.8955 0.329 -0.001 0.032 0.021 0.0119 0.065 0.054 2022 4 21 59690 70.471 463.064 -98.7172 0.321 0.001 0.033 0.021 0.0123 0.500 0.500 2022 4 22 59691 72.697 464.090 -98.3327 0.314 -0.018 0.033 0.021 0.0128 0.500 0.500 2022 4 23 59692 75.209 465.062 -97.8926 0.308 -0.048 0.034 0.022 0.0133 0.500 0.500 2022 4 24 59693 77.858 466.256 -97.4675 0.304 -0.073 0.034 0.022 0.0137 0.500 0.500 2022 4 25 59694 80.538 467.893 -97.1961 0.300 -0.085 0.035 0.022 0.0143 0.500 0.500 2022 4 26 59695 82.842 469.883 -97.1737 0.297 -0.082 0.035 0.022 0.0148 0.500 0.500 2022 4 27 59696 84.909 471.480 -97.4208 0.295 -0.071 0.036 0.023 0.0153 0.500 0.500 2022 4 28 59697 86.517 472.817 -97.3321 0.295 -0.060 0.037 0.023 0.0159 0.500 0.500 2022 4 29 59698 87.904 473.604 -97.4909 0.299 -0.055 0.038 0.023 0.0163 0.500 0.500 2022 4 30 59699 89.643 474.102 -97.6281 0.306 -0.058 0.039 0.024 0.0168 0.500 0.500 2022 5 1 59700 91.747 474.666 -97.6085 0.315 -0.066 0.040 0.025 0.0174 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 3 2 59640 -108.199 -7.104 0.133 0.078 2022 3 3 59641 -107.898 -7.117 0.133 0.078 2022 3 4 59642 -107.637 -7.109 0.136 0.079 2022 3 5 59643 -107.706 -7.086 0.136 0.078 2022 3 6 59644 -108.027 -7.094 0.138 0.077 2022 3 7 59645 -108.450 -7.191 0.138 0.076 2022 3 8 59646 -108.826 -7.354 0.141 0.075 2022 3 9 59647 -108.866 -7.460 0.141 0.074 2022 3 10 59648 -108.612 -7.475 0.141 0.074 2022 3 11 59649 -108.109 -7.473 0.143 0.073 2022 3 12 59650 -107.569 -7.581 0.143 0.073 2022 3 13 59651 -107.117 -7.813 0.146 0.074 2022 3 14 59652 -106.877 -8.063 0.146 0.074 2022 3 15 59653 -106.865 -8.198 0.148 0.074 2022 3 16 59654 -106.918 -8.181 0.148 0.075 2022 3 17 59655 -106.930 -8.064 0.148 0.076 2022 3 18 59656 -106.876 -7.950 0.151 0.076 2022 3 19 59657 -106.884 -7.889 0.151 0.076 2022 3 20 59658 -107.059 -7.919 0.151 0.076 2022 3 21 59659 -107.409 -8.005 0.153 0.075 2022 3 22 59660 -107.806 -8.084 0.153 0.074 2022 3 23 59661 -108.069 -8.122 0.153 0.074 2022 3 24 59662 -108.121 -8.146 0.153 0.073 2022 3 25 59663 -107.917 -8.187 0.156 0.073 2022 3 26 59664 -107.413 -8.263 0.156 0.071 2022 3 27 59665 -106.847 -8.345 0.156 0.070 2022 3 28 59666 -106.412 -8.410 0.156 0.068 2022 3 29 59667 -106.189 -8.449 0.156 0.066 2022 3 30 59668 -106.244 -8.453 0.156 0.064 2022 3 31 59669 -106.398 -8.414 0.156 0.062 2022 4 1 59670 -106.506 -8.343 0.156 0.060 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 3 2 59640 0.1374 0.0073 15.04106715475 0.00000000127 2022 3 3 59641 0.3524 0.0071 15.04106711732 0.00000000124 2022 3 4 59642 0.4407 0.0071 15.04106710195 0.00000000124 2022 3 5 59643 0.3800 0.0071 15.04106711252 0.00000000124 2022 3 6 59644 0.2448 0.0071 15.04106713605 0.00000000124 2022 3 7 59645 0.0610 0.0071 15.04106716805 0.00000000124 2022 3 8 59646 -0.1762 0.0071 15.04106720934 0.00000000124 2022 3 9 59647 -0.3856 0.0071 15.04106724580 0.00000000124 2022 3 10 59648 -0.5485 0.0070 15.04106727416 0.00000000122 2022 3 11 59649 -0.6461 0.0071 15.04106729115 0.00000000124 2022 3 12 59650 -0.6622 0.0071 15.04106729395 0.00000000124 2022 3 13 59651 -0.6340 0.0071 15.04106728904 0.00000000124 2022 3 14 59652 -0.5758 0.0071 15.04106727891 0.00000000124 2022 3 15 59653 -0.4198 0.0071 15.04106725175 0.00000000124 2022 3 16 59654 -0.2068 0.0071 15.04106721467 0.00000000124 2022 3 17 59655 0.0163 0.0071 15.04106717583 0.00000000124 2022 3 18 59656 0.1805 0.0072 15.04106714725 0.00000000125 2022 3 19 59657 0.3191 0.0072 15.04106712312 0.00000000125 2022 3 20 59658 0.3801 0.0072 15.04106711250 0.00000000125 2022 3 21 59659 0.2940 0.0071 15.04106712749 0.00000000124 2022 3 22 59660 0.0994 0.0071 15.04106716137 0.00000000124 2022 3 23 59661 -0.1129 0.0071 15.04106719832 0.00000000124 2022 3 24 59662 -0.3225 0.0072 15.04106723481 0.00000000125 2022 3 25 59663 -0.4645 0.0071 15.04106725953 0.00000000124 2022 3 26 59664 -0.4511 0.0071 15.04106725720 0.00000000124 2022 3 27 59665 -0.3561 0.0043 15.04106724066 0.00000000075 2022 3 28 59666 -0.1799 0.0071 15.04106720999 0.00000000124 2022 3 29 59667 0.0252 0.0071 15.04106717428 0.00000000124 2022 3 30 59668 0.1445 0.0071 15.04106715351 0.00000000124 2022 3 31 59669 0.2320 0.0071 15.04106713828 0.00000000124 2022 4 1 59670 0.2946 0.0072 15.04106712738 0.00000000125 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [59640-59670] No leap second introduced during period [59640-59670] 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 54 69 8 - 0 0 8 59642.30 to 59667.24 150 159 16 - 250 542 BKG bkg2020a.eoxy 77 260 5 - 19 44 10 59642.27 to 59667.21 149 523 14 - 31 45 GSFC gsf2020a.eoxy 74 245 5 13 19 46 10 59642.27 to 59667.21 236 1030 15 28 34 58 IAA iaa2021a.eops 37 44 2 - 12 30 6 59646.21 to 59667.21 139 162 21 - 63 27 USNO usn2022a.eoxy 35 34 1 - 13 34 8 59642.27 to 59667.21 84 56 14 - 21 25 IVS * ivs20r1X.eops 28 28 1 - 9 25 8 59642.27 to 59667.21 86 65 16 - 10 3 VLBI Intensive GSI * gsiint2c.eopi - - 9 - - - 8 59643.33 to 59665.33 - - 30 - - - BKG * bkg2020.eopi - - 21 - - - 36 59640.79 to 59670.00 - - 90 - - - GSFC * gsf2020a.eopi - - 25 - - - 41 59640.79 to 59670.00 - - 72 - - - IAA * iaa2021a.eopi - - 236 - - - 60 59640.79 to 59669.79 - - 90 - - - USNO * usn2022a.eopi - - 21 - - - 34 59640.79 to 59670.00 - - 49 - - - GPS CODE COD*ERP_R 5 5 - 0 - - 29 59640.50 to 59669.50 24 24 - 13 - - JPL jpl*.erp 10 12 - 7 - - 30 59640.50 to 59669.50 22 26 - 15 - - GFZ gfz*.erp 8 9 - 2 - - 30 59640.50 to 59669.50 33 36 - 13 - - ESOC esa*.erp 7 9 - 4 - - 30 59640.50 to 59669.50 33 26 - 12 - - SIO sio*.erp siu*.erp 31 28 - 5 - - 30 59640.50 to 59669.50 33 25 - 19 - - EMR emr*.erp 3 3 - 1 - - 30 59640.50 to 59669.50 55 51 - 12 - - IAA gnss.res 0 0 - 0 - - 29 59640.50 to 59669.50 60 66 - 29 - - GRGS grg*.erp 235 235 - 0 - - 30 59640.50 to 59669.50 32 20 - 11 - - ASI asi*.erp 8 8 - 0 - - 16 59640.50 to 59669.50 33 43 - 70 - - MIT mit*.erp 13 12 - 2 - - 30 59640.50 to 59669.50 30 27 - 18 - - IGR * igs96p02.erp 11 10 - 2 - - 30 59640.50 to 59669.50 22 21 - 10 - - IGS * igs00p03.erp 3 3 - 0 - - 30 59640.50 to 59669.50 26 23 - 17 - - SLR MCC tg*.02 213 204 - 29 - - 19 59640.00 to 59658.00 171 206 - 109 - - IAA slr_v.dat 69 74 - 4 - - 29 59640.00 to 59670.00 189 150 - 25 - - ASI asi2021a.eops 74 69 - 0 - - 30 59640.50 to 59669.50 174 253 - 21 - - ILRS * ilrsa.eop 58 56 - 9 - - 30 59640.50 to 59669.50 151 259 - 29 - - BULLETIN A NEOS mark3.out 22 22 4 - - - 31 59640.00 to 59670.00 48 33 15 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html