BULLETIN B 386 1 April 2020 Contents are described in ftp://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 0.056 0.039 0.0096 0.027 0.063 2020 2 2 58881 43.505 316.036 -191.7194 0.239 0.049 0.053 0.037 0.0070 0.061 0.040 2020 2 3 58882 42.727 317.663 -192.1721 0.264 0.067 0.053 0.038 0.0071 0.058 0.040 2020 2 4 58883 42.236 319.419 -192.5141 0.288 0.085 0.053 0.038 0.0071 0.059 0.041 2020 2 5 58884 42.192 321.224 -192.7412 0.293 0.072 0.053 0.038 0.0073 0.060 0.043 2020 2 6 58885 41.387 322.939 -192.8644 0.294 0.051 0.054 0.038 0.0075 0.061 0.045 2020 2 7 58886 40.107 323.988 -192.9351 0.294 0.030 0.054 0.038 0.0078 0.063 0.048 2020 2 8 58887 38.702 324.883 -193.0242 0.271 0.001 0.055 0.039 0.0081 0.065 0.050 2020 2 9 58888 37.913 325.300 -193.2662 0.239 -0.030 0.055 0.039 0.0084 0.066 0.053 2020 2 10 58889 37.635 326.014 -193.7899 0.207 -0.061 0.055 0.038 0.0081 0.061 0.052 2020 2 11 58890 37.317 327.316 -194.5859 0.175 -0.093 0.055 0.038 0.0083 0.062 0.055 2020 2 12 58891 37.414 328.670 -195.5386 0.155 -0.067 0.056 0.039 0.0085 0.063 0.057 2020 2 13 58892 37.440 330.236 -196.5300 0.137 -0.026 0.056 0.039 0.0087 0.064 0.058 2020 2 14 58893 36.532 331.984 -197.4312 0.119 0.014 0.056 0.039 0.0089 0.065 0.060 2020 2 15 58894 34.910 333.280 -198.1377 0.093 0.017 0.056 0.039 0.0092 0.067 0.062 2020 2 16 58895 33.056 334.012 -198.6185 0.064 0.006 0.056 0.039 0.0094 0.068 0.062 2020 2 17 58896 31.510 334.883 -198.9191 0.035 -0.006 0.056 0.039 0.0096 0.069 0.063 2020 2 18 58897 30.655 336.009 -199.0725 0.007 -0.018 0.057 0.039 0.0098 0.070 0.063 2020 2 19 58898 30.313 337.617 -199.1016 0.097 -0.002 0.057 0.039 0.0101 0.072 0.066 2020 2 20 58899 29.598 339.041 -199.1206 0.220 0.021 0.057 0.039 0.0103 0.070 0.067 2020 2 21 58900 28.482 340.031 -199.2279 0.342 0.044 0.057 0.039 0.0104 0.070 0.070 2020 2 22 58901 27.518 340.823 -199.5108 0.295 0.066 0.057 0.039 0.0107 0.071 0.073 2020 2 23 58902 26.977 341.618 -199.9703 0.183 0.088 0.057 0.040 0.0110 0.072 0.076 2020 2 24 58903 27.105 342.715 -200.5608 0.071 0.110 0.057 0.040 0.0112 0.073 0.079 2020 2 25 58904 27.399 344.649 -201.2483 -0.041 0.132 0.058 0.040 0.0115 0.074 0.082 2020 2 26 58905 28.038 346.702 -201.9938 -0.052 0.108 0.058 0.040 0.0118 0.076 0.085 2020 2 27 58906 28.539 348.924 -202.7625 -0.037 0.071 0.058 0.040 0.0120 0.077 0.087 2020 2 28 58907 28.842 351.142 -203.5264 -0.022 0.034 0.058 0.040 0.0122 0.078 0.090 2020 2 29 58908 28.230 353.276 -204.2694 0.003 0.014 0.059 0.041 0.0125 0.079 0.092 2020 3 1 58909 27.703 355.262 -204.9668 0.032 0.000 0.059 0.041 0.0126 0.080 0.093 Preliminary extension 2020 3 2 58910 27.003 357.186 -205.6003 0.061 -0.015 0.059 0.041 0.0129 0.081 0.095 2020 3 3 58911 26.397 359.012 -206.1646 0.090 -0.029 0.059 0.041 0.0131 0.082 0.096 2020 3 4 58912 25.992 360.684 -206.6693 0.090 -0.006 0.060 0.042 0.0132 0.084 0.096 2020 3 5 58913 26.290 362.008 -207.1566 0.082 0.026 0.060 0.042 0.0133 0.085 0.096 2020 3 6 58914 26.956 363.932 -207.6939 0.075 0.058 0.061 0.042 0.0135 0.086 0.096 2020 3 7 58915 27.767 365.695 -208.3583 0.049 0.049 0.061 0.043 0.0136 0.087 0.094 2020 3 8 58916 28.127 367.461 -209.2293 0.016 0.026 0.062 0.043 0.0137 0.088 0.093 2020 3 9 58917 28.093 369.114 -210.3511 -0.018 0.003 0.063 0.044 0.0138 0.089 0.092 2020 3 10 58918 28.162 370.693 -211.7150 -0.051 -0.021 0.064 0.045 0.0139 0.090 0.091 2020 3 11 58919 28.676 372.327 -213.2649 0.036 -0.022 0.065 0.046 0.0139 0.090 0.089 2020 3 12 58920 29.154 373.747 -214.8065 0.156 -0.017 0.066 0.047 0.0139 0.091 0.087 2020 3 13 58921 30.383 375.441 -216.1439 0.275 -0.012 0.068 0.049 0.0139 0.092 0.086 2020 3 14 58922 31.836 377.505 -217.2699 0.248 0.041 0.070 0.051 0.0141 0.093 0.088 2020 3 15 58923 33.135 379.535 -218.1655 0.354 -0.039 0.047 0.030 0.0104 0.058 0.049 2020 3 16 58924 34.179 380.918 -218.7924 0.347 -0.006 0.048 0.031 0.0106 0.059 0.050 2020 3 17 58925 34.748 382.181 -219.2765 0.340 0.027 0.049 0.031 0.0108 0.060 0.052 2020 3 18 58926 35.410 383.009 -219.6578 0.210 -0.007 0.049 0.032 0.0111 0.500 0.500 2020 3 19 58927 36.659 384.038 -219.9355 0.203 -0.006 0.050 0.032 0.0114 0.500 0.500 2020 3 20 58928 38.658 385.056 -220.2830 0.197 -0.004 0.051 0.033 0.0117 0.500 0.500 2020 3 21 58929 40.802 386.077 -220.5885 0.189 -0.001 0.052 0.033 0.0119 0.500 0.500 2020 3 22 58930 42.684 387.191 -220.9619 0.176 0.000 0.052 0.033 0.0122 0.500 0.500 2020 3 23 58931 43.715 388.559 -221.3938 0.159 -0.003 0.053 0.034 0.0125 0.500 0.500 2020 3 24 58932 44.542 389.919 -221.9072 0.141 -0.013 0.053 0.034 0.0128 0.500 0.500 2020 3 25 58933 44.841 391.491 -222.4885 0.131 -0.026 0.054 0.035 0.0132 0.500 0.500 2020 3 26 58934 44.532 392.985 -223.0552 0.130 -0.040 0.055 0.035 0.0135 0.500 0.500 2020 3 27 58935 43.904 394.214 -223.5762 0.139 -0.048 0.055 0.036 0.0139 0.500 0.500 2020 3 28 58936 44.676 395.083 -224.0194 0.152 -0.049 0.056 0.036 0.0142 0.500 0.500 2020 3 29 58937 45.693 396.497 -224.4108 0.164 -0.045 0.057 0.037 0.0146 0.500 0.500 2020 3 30 58938 47.005 397.984 -224.6943 0.171 -0.040 0.058 0.038 0.0150 0.500 0.500 2020 3 31 58939 48.650 399.544 -224.9192 0.175 -0.039 0.059 0.038 0.0154 0.500 0.500 2020 4 1 58940 50.667 401.229 -225.1305 0.179 -0.042 0.060 0.039 0.0158 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 2020 2 2 58881 -107.921 -6.844 0.153 0.040 2020 2 3 58882 -107.997 -6.709 0.146 0.040 2020 2 4 58883 -108.130 -6.576 0.148 0.041 2020 2 5 58884 -108.297 -6.539 0.151 0.043 2020 2 6 58885 -108.560 -6.702 0.153 0.045 2020 2 7 58886 -108.871 -7.112 0.158 0.048 2020 2 8 58887 -108.929 -7.590 0.163 0.050 2020 2 9 58888 -108.419 -7.806 0.166 0.053 2020 2 10 58889 -107.580 -7.636 0.153 0.052 2020 2 11 58890 -107.021 -7.318 0.156 0.055 2020 2 12 58891 -107.049 -7.105 0.158 0.057 2020 2 13 58892 -107.501 -7.102 0.161 0.058 2020 2 14 58893 -107.991 -7.171 0.163 0.060 2020 2 15 58894 -108.326 -7.238 0.168 0.062 2020 2 16 58895 -108.525 -7.298 0.171 0.062 2020 2 17 58896 -108.687 -7.366 0.173 0.063 2020 2 18 58897 -108.816 -7.423 0.176 0.063 2020 2 19 58898 -108.510 -7.443 0.181 0.066 2020 2 20 58899 -107.926 -7.498 0.176 0.067 2020 2 21 58900 -107.263 -7.614 0.176 0.070 2020 2 22 58901 -107.138 -7.712 0.178 0.073 2020 2 23 58902 -107.374 -7.686 0.181 0.076 2020 2 24 58903 -107.753 -7.546 0.184 0.079 2020 2 25 58904 -108.179 -7.427 0.186 0.082 2020 2 26 58905 -108.306 -7.485 0.191 0.085 2020 2 27 58906 -108.229 -7.653 0.194 0.087 2020 2 28 58907 -107.987 -7.808 0.196 0.090 2020 2 29 58908 -107.688 -7.898 0.199 0.092 2020 3 1 58909 -107.555 -7.998 0.201 0.093 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 2020 2 2 58881 0.4836 0.0120 15.04106709448 0.00000000209 2020 2 3 58882 0.3794 0.0121 15.04106711262 0.00000000211 2020 2 4 58883 0.2354 0.0121 15.04106713769 0.00000000211 2020 2 5 58884 0.1382 0.0121 15.04106715461 0.00000000211 2020 2 6 58885 0.0870 0.0122 15.04106716352 0.00000000212 2020 2 7 58886 0.0853 0.0123 15.04106716382 0.00000000214 2020 2 8 58887 0.1418 0.0123 15.04106715398 0.00000000214 2020 2 9 58888 0.3533 0.0124 15.04106711717 0.00000000216 2020 2 10 58889 0.6718 0.0121 15.04106706172 0.00000000211 2020 2 11 58890 0.8996 0.0121 15.04106702206 0.00000000211 2020 2 12 58891 0.9962 0.0122 15.04106700525 0.00000000212 2020 2 13 58892 0.9626 0.0123 15.04106701109 0.00000000214 2020 2 14 58893 0.7962 0.0123 15.04106704006 0.00000000214 2020 2 15 58894 0.5980 0.0124 15.04106707457 0.00000000216 2020 2 16 58895 0.4101 0.0121 15.04106710728 0.00000000211 2020 2 17 58896 0.2210 0.0121 15.04106714020 0.00000000211 2020 2 18 58897 0.0639 0.0122 15.04106716755 0.00000000212 2020 2 19 58898 0.0235 0.0122 15.04106717458 0.00000000212 2020 2 20 58899 0.0386 0.0123 15.04106717195 0.00000000214 2020 2 21 58900 0.1792 0.0124 15.04106714747 0.00000000216 2020 2 22 58901 0.4257 0.0124 15.04106710456 0.00000000216 2020 2 23 58902 0.5497 0.0125 15.04106708298 0.00000000218 2020 2 24 58903 0.6427 0.0125 15.04106706678 0.00000000218 2020 2 25 58904 0.6822 0.0126 15.04106705991 0.00000000219 2020 2 26 58905 0.7226 0.0126 15.04106705288 0.00000000219 2020 2 27 58906 0.7969 0.0127 15.04106703994 0.00000000221 2020 2 28 58907 0.8170 0.0128 15.04106703644 0.00000000223 2020 2 29 58908 0.7249 0.0129 15.04106705248 0.00000000225 2020 3 1 58909 0.6559 0.0129 15.04106706449 0.00000000225 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [58881-58909] No leap second introduced during period [58881-58909] 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 bkg00014.eops 64 72 3 - 15 37 4 58886.27 to 58907.27 147 62 1 - 133 33 GSFC gsf2019a.eoxy 0 0 0 0 0 0 0 00000.00 to 00000.00 0 0 0 0 0 0 IAA iaa2007a.eops 41 42 3 - 11 31 8 58883.21 to 58907.27 121 134 11 - 124 99 USNO usn2019c.eoxy 0 0 0 - 0 0 0 00000.00 to 00000.00 0 0 0 - 0 0 IVS * ivs14r1X.eops 26 23 1 - 7 20 8 58883.21 to 58907.27 65 46 3 - 10 4 VLBI Intensive GSI * gsiint2c.eopi - - 13 - - - 7 58881.33 to 58902.33 - - 17 - - - BKG * bkgint14.eopi - - 18 - - - 26 58881.33 to 58907.80 - - 24 - - - GSFC * gsf2019a.eopi - - 0 - - - 0 00000.00 to 00000.00 - - 0 - - - IAA * iaa2019a.eopi - - 18 - - - 15 58881.33 to 58892.34 - - 30 - - - USNO * usnouint.data - - 18 - - - 25 58881.33 to 58907.80 - - 21 - - - GPS CODE COD*ERP_R 5 5 - 0 - - 28 58881.50 to 58908.50 48 30 - 14 - - JPL jpl*.erp 11 13 - 6 - - 28 58881.50 to 58908.50 44 30 - 13 - - GFZ gfz*.erp 4 4 - 1 - - 28 58881.50 to 58908.50 41 37 - 12 - - ESOC esa*.erp 8 9 - 3 - - 28 58881.50 to 58908.50 33 30 - 14 - - SIO sio*.erp siu*.erp 40 45 - 14 - - 28 58881.50 to 58908.50 44 34 - 16 - - EMR emr*.erp 3 3 - 1 - - 28 58881.50 to 58908.50 38 38 - 16 - - IAA gnss.res 0 0 - 0 - - 28 58881.50 to 58908.50 56 71 - 26 - - GRGS grg*.erp 61 61 - 0 - - 28 58881.50 to 58908.50 40 35 - 9 - - ASI asi*.erp 8 7 - 0 - - 26 58881.50 to 58908.50 59 52 - 42 - - MIT mit*.erp 12 12 - 1 - - 28 58881.50 to 58908.50 45 33 - 14 - - IGR * igs96p02.erp 16 14 - 2 - - 28 58881.50 to 58908.50 35 31 - 9 - - IGS * igs00p03.erp 3 3 - 0 - - 28 58881.50 to 58908.50 35 26 - 14 - - SLR MCC tg*.02 187 241 - 29 - - 29 58881.00 to 58909.00 147 134 - 75 - - IAA slr_v.dat 70 88 - 5 - - 28 58881.00 to 58909.00 212 248 - 31 - - ASI slr_oca*.eop 70 86 - 20 - - 28 58881.50 to 58908.50 157 263 - 59 - - ILRS * ilrsa.eop 50 62 - 8 - - 28 58881.50 to 58908.50 148 176 - 24 - - BULLETIN A NEOS mark3.out 31 25 4 - - - 29 58881.00 to 58909.00 73 44 14 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html