BULLETIN B 410 1 April 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 0.0070 0.019 0.052 2022 2 2 59612 25.834 325.489 -107.1431 0.154 -0.230 0.029 0.020 0.0056 0.039 0.030 2022 2 3 59613 25.683 327.751 -107.0987 0.165 -0.260 0.029 0.020 0.0057 0.040 0.031 2022 2 4 59614 25.779 330.022 -107.2225 0.176 -0.291 0.029 0.020 0.0058 0.041 0.033 2022 2 5 59615 25.738 332.211 -107.4267 0.179 -0.242 0.029 0.020 0.0059 0.041 0.034 2022 2 6 59616 25.676 333.942 -107.6113 0.180 -0.163 0.029 0.020 0.0061 0.042 0.035 2022 2 7 59617 25.772 335.603 -107.6870 0.180 -0.084 0.029 0.020 0.0062 0.042 0.036 2022 2 8 59618 25.193 337.374 -107.5919 0.180 -0.005 0.029 0.020 0.0061 0.043 0.038 2022 2 9 59619 24.114 338.478 -107.2977 0.186 0.003 0.029 0.020 0.0063 0.043 0.039 2022 2 10 59620 22.952 339.544 -106.7962 0.194 -0.009 0.029 0.020 0.0063 0.044 0.041 2022 2 11 59621 21.317 340.636 -106.1126 0.202 -0.020 0.028 0.020 0.0065 0.045 0.042 2022 2 12 59622 19.510 341.957 -105.2912 0.208 -0.043 0.029 0.020 0.0066 0.045 0.044 2022 2 13 59623 17.952 343.165 -104.4265 0.214 -0.071 0.029 0.019 0.0064 0.046 0.046 2022 2 14 59624 17.178 344.276 -103.6375 0.221 -0.099 0.029 0.019 0.0065 0.047 0.048 2022 2 15 59625 16.814 345.848 -102.9937 0.227 -0.127 0.028 0.019 0.0068 0.047 0.050 2022 2 16 59626 16.373 347.600 -102.5279 0.222 -0.167 0.028 0.019 0.0071 0.048 0.052 2022 2 17 59627 16.174 349.955 -102.2855 0.213 -0.210 0.028 0.019 0.0073 0.049 0.055 2022 2 18 59628 15.893 352.552 -102.2778 0.205 -0.253 0.028 0.019 0.0075 0.050 0.058 2022 2 19 59629 16.057 355.009 -102.4803 0.199 -0.224 0.028 0.019 0.0077 0.050 0.060 2022 2 20 59630 16.152 357.350 -102.8229 0.194 -0.170 0.028 0.019 0.0080 0.051 0.062 2022 2 21 59631 16.225 359.459 -103.2042 0.189 -0.115 0.028 0.019 0.0079 0.052 0.065 2022 2 22 59632 16.672 361.277 -103.5256 0.184 -0.061 0.028 0.019 0.0080 0.053 0.067 2022 2 23 59633 17.619 362.779 -103.7081 0.177 -0.085 0.027 0.019 0.0080 0.054 0.069 2022 2 24 59634 18.496 364.360 -103.6928 0.169 -0.128 0.027 0.019 0.0080 0.055 0.071 2022 2 25 59635 18.931 365.807 -103.4734 0.162 -0.172 0.027 0.019 0.0080 0.055 0.073 2022 2 26 59636 19.607 367.229 -103.1018 0.156 -0.164 0.027 0.019 0.0081 0.056 0.074 2022 2 27 59637 20.241 368.836 -102.6797 0.150 -0.136 0.027 0.020 0.0082 0.057 0.075 2022 2 28 59638 20.656 370.624 -102.3250 0.144 -0.108 0.026 0.019 0.0083 0.058 0.076 2022 3 1 59639 20.909 372.342 -102.1425 0.139 -0.080 0.026 0.019 0.0083 0.059 0.078 Preliminary extension 2022 3 2 59640 21.778 373.951 -102.1944 0.189 -0.054 0.026 0.019 0.0091 0.059 0.078 2022 3 3 59641 23.290 376.273 -102.4561 0.255 -0.028 0.025 0.019 0.0096 0.060 0.079 2022 3 4 59642 24.972 378.479 -102.8435 0.321 -0.003 0.025 0.019 0.0098 0.061 0.079 2022 3 5 59643 26.771 380.581 -103.2424 0.309 -0.006 0.025 0.019 0.0100 0.062 0.079 2022 3 6 59644 28.088 382.597 -103.5550 0.268 -0.021 0.025 0.019 0.0102 0.062 0.078 2022 3 7 59645 29.542 384.797 -103.7204 0.227 -0.036 0.025 0.019 0.0103 0.063 0.077 2022 3 8 59646 31.018 386.708 -103.6845 0.187 -0.051 0.025 0.019 0.0105 0.064 0.076 2022 3 9 59647 32.277 388.537 -103.4089 0.208 -0.044 0.025 0.019 0.0107 0.064 0.076 2022 3 10 59648 33.106 390.314 -102.9384 0.245 -0.032 0.026 0.019 0.0109 0.065 0.076 2022 3 11 59649 33.705 392.106 -102.3346 0.283 -0.019 0.026 0.019 0.0110 0.066 0.076 2022 3 12 59650 34.134 393.729 -101.6858 0.282 -0.021 0.027 0.019 0.0113 0.066 0.076 2022 3 13 59651 34.499 395.150 -101.0366 0.267 -0.027 0.027 0.019 0.0115 0.067 0.076 2022 3 14 59652 34.358 396.684 -100.4098 0.251 -0.033 0.028 0.019 0.0118 0.068 0.077 2022 3 15 59653 34.251 398.013 -99.8831 0.236 -0.039 0.028 0.019 0.0120 0.068 0.077 2022 3 16 59654 33.972 399.564 -99.5609 0.000 0.000 0.029 0.019 0.0123 0.069 0.077 2022 3 17 59655 33.428 401.245 -99.4540 0.000 0.000 0.029 0.019 0.0125 0.069 0.078 2022 3 18 59656 33.047 402.931 -99.5406 0.000 0.000 0.030 0.020 0.0128 0.070 0.078 2022 3 19 59657 32.895 404.430 -99.7907 0.000 0.000 0.030 0.020 0.0130 0.070 0.078 2022 3 20 59658 33.016 406.001 -100.1734 0.000 0.000 0.031 0.020 0.0132 0.071 0.079 2022 3 21 59659 33.289 407.447 -100.5390 0.000 0.000 0.032 0.021 0.0135 0.071 0.079 2022 3 22 59660 34.163 408.868 -100.7617 0.000 0.000 0.032 0.022 0.0137 0.072 0.079 2022 3 23 59661 35.722 410.678 -100.7448 0.017 -0.006 0.033 0.022 0.0140 0.500 0.500 2022 3 24 59662 37.179 412.933 -100.5712 0.047 -0.016 0.034 0.023 0.0143 0.500 0.500 2022 3 25 59663 38.276 415.003 -100.1667 0.081 -0.026 0.034 0.023 0.0146 0.500 0.500 2022 3 26 59664 39.291 416.950 -99.7400 0.107 -0.031 0.035 0.024 0.0148 0.500 0.500 2022 3 27 59665 40.283 418.606 -99.3221 0.114 -0.030 0.036 0.024 0.0152 0.500 0.500 2022 3 28 59666 41.708 420.155 -99.0134 0.105 -0.025 0.037 0.025 0.0156 0.500 0.500 2022 3 29 59667 42.782 421.700 -98.9791 0.091 -0.017 0.038 0.026 0.0160 0.500 0.500 2022 3 30 59668 43.493 423.060 -98.9431 0.085 -0.010 0.039 0.027 0.0166 0.500 0.500 2022 3 31 59669 43.523 424.841 -99.1726 0.092 -0.006 0.040 0.027 0.0171 0.500 0.500 2022 4 1 59670 43.343 426.879 -99.4739 0.108 -0.003 0.042 0.028 0.0177 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 2 2 59612 -109.538 -6.310 0.098 0.030 2022 2 3 59613 -109.116 -6.393 0.101 0.031 2022 2 4 59614 -108.919 -6.381 0.103 0.033 2022 2 5 59615 -109.063 -6.141 0.103 0.034 2022 2 6 59616 -109.447 -5.873 0.106 0.035 2022 2 7 59617 -109.853 -5.790 0.106 0.036 2022 2 8 59618 -110.126 -5.888 0.108 0.038 2022 2 9 59619 -110.203 -6.067 0.108 0.039 2022 2 10 59620 -110.062 -6.157 0.111 0.041 2022 2 11 59621 -109.706 -6.193 0.113 0.042 2022 2 12 59622 -109.259 -6.321 0.113 0.044 2022 2 13 59623 -108.917 -6.560 0.116 0.046 2022 2 14 59624 -108.763 -6.785 0.118 0.048 2022 2 15 59625 -108.690 -6.864 0.118 0.050 2022 2 16 59626 -108.569 -6.803 0.121 0.052 2022 2 17 59627 -108.379 -6.702 0.123 0.055 2022 2 18 59628 -108.238 -6.679 0.126 0.058 2022 2 19 59629 -108.239 -6.688 0.126 0.060 2022 2 20 59630 -108.367 -6.714 0.128 0.062 2022 2 21 59631 -108.568 -6.699 0.131 0.065 2022 2 22 59632 -108.817 -6.617 0.133 0.067 2022 2 23 59633 -109.078 -6.583 0.136 0.069 2022 2 24 59634 -109.259 -6.613 0.138 0.071 2022 2 25 59635 -109.270 -6.743 0.138 0.073 2022 2 26 59636 -109.106 -6.902 0.141 0.074 2022 2 27 59637 -108.854 -7.042 0.143 0.075 2022 2 28 59638 -108.624 -7.107 0.146 0.076 2022 3 1 59639 -108.462 -7.107 0.148 0.078 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 2 2 59612 -0.1248 0.0073 15.04106720040 0.00000000127 2022 2 3 59613 0.0410 0.0074 15.04106717153 0.00000000129 2022 2 4 59614 0.1631 0.0073 15.04106715028 0.00000000127 2022 2 5 59615 0.2001 0.0073 15.04106714384 0.00000000127 2022 2 6 59616 0.1192 0.0073 15.04106715792 0.00000000127 2022 2 7 59617 -0.0055 0.0073 15.04106717963 0.00000000127 2022 2 8 59618 -0.1773 0.0074 15.04106720954 0.00000000129 2022 2 9 59619 -0.3784 0.0074 15.04106724454 0.00000000129 2022 2 10 59620 -0.5835 0.0074 15.04106728025 0.00000000129 2022 2 11 59621 -0.7824 0.0073 15.04106731488 0.00000000127 2022 2 12 59622 -0.8659 0.0074 15.04106732941 0.00000000129 2022 2 13 59623 -0.8125 0.0074 15.04106732012 0.00000000129 2022 2 14 59624 -0.6966 0.0074 15.04106729994 0.00000000129 2022 2 15 59625 -0.5407 0.0074 15.04106727280 0.00000000129 2022 2 16 59626 -0.3604 0.0074 15.04106724141 0.00000000129 2022 2 17 59627 -0.1249 0.0074 15.04106720041 0.00000000129 2022 2 18 59628 0.1177 0.0073 15.04106715818 0.00000000127 2022 2 19 59629 0.3106 0.0073 15.04106712460 0.00000000127 2022 2 20 59630 0.3746 0.0074 15.04106711346 0.00000000129 2022 2 21 59631 0.3443 0.0074 15.04106711873 0.00000000129 2022 2 22 59632 0.2538 0.0074 15.04106713449 0.00000000129 2022 2 23 59633 0.0945 0.0074 15.04106716222 0.00000000129 2022 2 24 59634 -0.1444 0.0074 15.04106720381 0.00000000129 2022 2 25 59635 -0.3469 0.0074 15.04106723906 0.00000000129 2022 2 26 59636 -0.4237 0.0074 15.04106725243 0.00000000129 2022 2 27 59637 -0.4119 0.0074 15.04106725038 0.00000000129 2022 2 28 59638 -0.2793 0.0073 15.04106722729 0.00000000127 2022 3 1 59639 -0.0861 0.0073 15.04106719366 0.00000000127 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [59612-59639] No leap second introduced during period [59612-59639] 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 115 127 17 - 0 0 8 59614.25 to 59635.25 791 985 43 - 230 483 BKG bkg2020a.eoxy 185 141 8 - 20 44 9 59612.23 to 59635.27 176 94 15 - 65 111 GSFC gsf2020a.eoxy 78 72 5 15 16 40 9 59612.23 to 59635.27 378 116 32 16 44 66 IAA iaa2021a.eops 42 53 2 - 13 35 4 59618.21 to 59632.21 139 78 22 - 57 35 USNO usn2021c.eoxy 30 30 1 - 11 30 7 59614.27 to 59635.27 66 42 13 - 35 29 IVS * ivs20r1X.eops 15 17 0 - 5 16 7 59614.27 to 59635.28 91 73 14 - 1 15 VLBI Intensive GSI * gsiint2c.eopi - - 10 - - - 8 59615.33 to 59637.33 - - 30 - - - BKG * bkg2020.eopi - - 19 - - - 31 59612.79 to 59638.79 - - 127 - - - GSFC * gsf2020a.eopi - - 21 - - - 34 59612.79 to 59638.79 - - 918 - - - IAA * iaa2021a.eopi - - 60 - - - 44 59612.79 to 59638.79 - - 53 - - - USNO * usn2021c.eopi - - 16 - - - 31 59612.79 to 59638.79 - - 278 - - - GPS CODE COD*ERP_R 5 5 - 0 - - 27 59612.50 to 59638.50 27 28 - 14 - - JPL jpl*.erp 11 11 - 7 - - 27 59612.50 to 59638.50 35 33 - 19 - - GFZ gfz*.erp 8 9 - 2 - - 27 59612.50 to 59638.50 28 33 - 17 - - ESOC esa*.erp 7 9 - 3 - - 27 59612.50 to 59638.50 21 28 - 14 - - SIO sio*.erp siu*.erp 30 28 - 5 - - 7 59612.50 to 59618.50 21 30 - 13 - - EMR emr*.erp 3 3 - 1 - - 27 59612.50 to 59638.50 36 43 - 14 - - IAA gnss.res 1 1 - 0 - - 24 59612.50 to 59638.50 0 0 - 0 - - GRGS grg*.erp 224 224 - 0 - - 27 59612.50 to 59638.50 22 25 - 11 - - ASI asi*.erp 8 8 - 0 - - 27 59612.50 to 59638.50 42 44 - 45 - - MIT mit*.erp 13 13 - 2 - - 27 59612.50 to 59638.50 50 39 - 18 - - IGR * igs96p02.erp 12 10 - 3 - - 27 59612.50 to 59638.50 22 23 - 15 - - IGS * igs00p03.erp 3 3 - 0 - - 27 59612.50 to 59638.50 25 27 - 14 - - SLR MCC tg*.02 187 206 - 29 - - 28 59612.00 to 59639.00 99 120 - 72 - - IAA slr_v.dat 76 76 - 5 - - 25 59612.00 to 59639.00 235 254 - 23 - - ASI asi2021a.eops 76 68 - 0 - - 27 59612.50 to 59638.50 254 241 - 28 - - ILRS * ilrsa.eop 57 51 - 8 - - 27 59612.50 to 59638.50 175 173 - 33 - - BULLETIN A NEOS mark3.out 23 24 3 - - - 28 59612.00 to 59639.00 44 33 16 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html