BULLETIN B 442
1 December 2024
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 0.050 0.043 0.0371 0.125 0.392
2024 10 2 60585 226.526 406.248 58.9716 0.397 -0.041 0.048 0.044 0.0175 0.248 0.404
2024 10 3 60586 226.535 404.950 58.8781 0.366 -0.013 0.049 0.043 0.0212 0.252 0.435
2024 10 4 60587 226.571 403.797 58.7757 0.334 0.012 0.050 0.044 0.0251 0.255 0.462
2024 10 5 60588 226.295 402.850 58.7352 0.335 0.012 0.051 0.044 0.0257 0.235 0.420
2024 10 6 60589 226.006 401.490 58.7608 0.357 -0.006 0.053 0.044 0.0240 0.188 0.319
2024 10 7 60590 225.832 400.301 58.9006 0.388 -0.030 0.052 0.043 0.0191 0.136 0.205
2024 10 8 60591 225.684 398.777 59.1917 0.423 -0.057 0.051 0.044 0.0186 0.099 0.123
2024 10 9 60592 225.560 397.091 59.5928 0.450 -0.079 0.050 0.042 0.0188 0.092 0.105
2024 10 10 60593 226.143 395.462 59.9875 0.474 -0.097 0.050 0.042 0.0192 0.091 0.093
2024 10 11 60594 226.663 393.893 60.3370 0.495 -0.112 0.050 0.042 0.0196 0.091 0.083
2024 10 12 60595 226.546 392.347 60.5377 0.516 -0.120 0.049 0.042 0.0188 0.089 0.079
2024 10 13 60596 226.278 391.021 60.4351 0.534 -0.123 0.048 0.042 0.0179 0.085 0.073
2024 10 14 60597 225.981 389.771 59.9234 0.542 -0.125 0.048 0.042 0.0198 0.081 0.067
2024 10 15 60598 225.948 388.506 59.0225 0.537 -0.129 0.050 0.043 0.0237 0.078 0.062
2024 10 16 60599 225.754 387.262 57.8731 0.497 -0.150 0.049 0.043 0.0293 0.084 0.067
2024 10 17 60600 225.076 386.121 56.6787 0.445 -0.171 0.050 0.044 0.0369 0.096 0.075
2024 10 18 60601 224.262 384.552 55.6784 0.397 -0.180 0.050 0.044 0.0453 0.106 0.083
2024 10 19 60602 223.706 382.902 55.0219 0.387 -0.134 0.051 0.044 0.0433 0.102 0.083
2024 10 20 60603 223.375 381.257 54.7513 0.401 -0.061 0.053 0.044 0.0366 0.090 0.079
2024 10 21 60604 223.028 379.819 54.8181 0.423 0.012 0.054 0.045 0.0355 0.076 0.075
2024 10 22 60605 222.418 378.197 55.0820 0.446 0.067 0.053 0.044 0.0204 0.066 0.072
2024 10 23 60606 222.150 376.211 55.3748 0.448 0.041 0.052 0.044 0.0220 0.074 0.095
2024 10 24 60607 221.366 374.754 55.6373 0.441 -0.014 0.051 0.041 0.0236 0.088 0.135
2024 10 25 60608 220.311 372.754 55.8169 0.432 -0.069 0.050 0.041 0.0307 0.101 0.171
2024 10 26 60609 219.479 371.526 55.8411 0.424 -0.073 0.048 0.043 0.0285 0.106 0.252
2024 10 27 60610 218.384 369.966 55.6907 0.418 -0.042 0.048 0.043 0.0229 0.111 0.410
2024 10 28 60611 217.964 368.281 55.3438 0.414 0.001 0.049 0.045 0.0205 0.116 0.585
2024 10 29 60612 217.363 367.362 54.8697 0.412 0.048 0.049 0.045 0.0717 0.120 0.711
2024 10 30 60613 216.748 366.261 54.3677 0.418 0.078 0.049 0.043 0.1008 0.145 1.259
2024 10 31 60614 216.081 365.659 53.9337 0.426 0.099 0.050 0.042 0.1355 0.185 2.145
2024 11 1 60615 215.256 364.841 53.6207 0.430 0.112 0.052 0.041 0.1558 0.220 2.932
Preliminary extension
2024 11 2 60616 214.666 364.220 53.5103 0.400 0.112 0.050 0.039 0.1151 0.209 2.737
2024 11 3 60617 213.591 363.752 53.5870 0.358 0.102 0.048 0.037 0.0702 0.171 1.983
2024 11 4 60618 212.716 362.395 53.8010 0.331 0.082 0.046 0.035 0.0445 0.128 1.151
2024 11 5 60619 212.008 361.177 54.1440 0.335 0.056 0.045 0.034 0.0295 0.098 0.564
2024 11 6 60620 211.161 359.889 54.5820 0.455 0.021 0.044 0.034 0.0206 0.099 0.413
2024 11 7 60621 210.012 358.389 54.9953 0.607 -0.017 0.042 0.033 0.0151 0.108 0.308
2024 11 8 60622 208.836 356.590 55.2739 0.741 -0.056 0.042 0.033 0.0119 0.116 0.221
2024 11 9 60623 208.104 354.565 55.3091 0.798 -0.124 0.041 0.033 0.0100 0.123 0.198
2024 11 10 60624 207.901 352.753 55.0373 0.771 -0.188 0.041 0.033 0.0091 0.132 0.188
2024 11 11 60625 207.546 351.143 54.5294 0.653 -0.212 0.042 0.033 0.0093 0.139 0.179
2024 11 12 60626 207.326 349.447 53.7989 0.430 -0.171 0.042 0.033 0.0099 0.143 0.175
2024 11 13 60627 206.759 348.051 52.9641 0.275 0.006 0.043 0.033 0.0111 0.500 0.500
2024 11 14 60628 206.334 346.540 52.1851 0.260 0.009 0.045 0.034 0.0138 0.500 0.500
2024 11 15 60629 205.908 345.668 51.6100 0.254 0.013 0.047 0.035 0.0177 0.500 0.500
2024 11 16 60630 205.005 344.523 51.3389 0.258 0.019 0.049 0.036 0.0166 0.500 0.500
2024 11 17 60631 204.426 343.469 51.3383 0.270 0.025 0.051 0.038 0.0151 0.500 0.500
2024 11 18 60632 203.220 342.493 51.5667 0.284 0.029 0.053 0.040 0.0156 0.500 0.500
2024 11 19 60633 202.596 340.959 51.8969 0.297 0.030 0.055 0.041 0.0169 0.500 0.500
2024 11 20 60634 202.633 339.826 52.1934 0.307 0.027 0.056 0.043 0.0177 0.500 0.500
2024 11 21 60635 202.849 338.862 52.3259 0.315 0.022 0.057 0.043 0.0191 0.500 0.500
2024 11 22 60636 202.967 338.366 52.2501 0.322 0.018 0.058 0.044 0.0199 0.500 0.500
2024 11 23 60637 202.509 337.835 51.9977 0.329 0.017 0.060 0.045 0.0211 0.500 0.500
2024 11 24 60638 201.379 337.323 51.5652 0.335 0.020 0.062 0.047 0.0224 0.500 0.500
2024 11 25 60639 199.742 336.587 51.0452 0.337 0.024 0.064 0.050 0.0259 0.500 0.500
2024 11 26 60640 198.170 335.585 50.4953 0.334 0.024 0.067 0.054 0.0290 0.500 0.500
2024 11 27 60641 196.712 334.238 49.9760 0.328 0.020 0.070 0.060 0.0318 0.500 0.500
2024 11 28 60642 195.738 332.681 49.5839 0.321 0.010 0.076 0.069 0.0373 0.500 0.500
2024 11 29 60643 195.144 331.335 49.3737 0.317 -0.001 0.086 0.082 0.0449 0.500 0.500
2024 11 30 60644 194.608 329.998 49.3292 0.316 -0.011 0.100 0.099 0.0535 0.500 0.500
2024 12 1 60645 193.949 328.709 49.4553 0.319 -0.018 0.126 0.131 0.0600 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
2024 10 2 60585 -118.947 -8.275 0.623 0.404
2024 10 3 60586 -119.019 -8.230 0.633 0.435
2024 10 4 60587 -119.141 -8.498 0.642 0.462
2024 10 5 60588 -119.172 -8.897 0.590 0.420
2024 10 6 60589 -119.080 -9.209 0.473 0.319
2024 10 7 60590 -118.918 -9.400 0.342 0.205
2024 10 8 60591 -118.767 -9.560 0.248 0.123
2024 10 9 60592 -118.645 -9.691 0.233 0.105
2024 10 10 60593 -118.442 -9.699 0.230 0.093
2024 10 11 60594 -118.117 -9.549 0.228 0.083
2024 10 12 60595 -117.766 -9.353 0.223 0.079
2024 10 13 60596 -117.509 -9.216 0.213 0.073
2024 10 14 60597 -117.404 -9.062 0.203 0.067
2024 10 15 60598 -117.518 -8.791 0.196 0.062
2024 10 16 60599 -117.900 -8.560 0.212 0.067
2024 10 17 60600 -118.232 -8.598 0.240 0.075
2024 10 18 60601 -118.188 -8.841 0.265 0.083
2024 10 19 60602 -117.827 -8.901 0.256 0.083
2024 10 20 60603 -117.657 -8.656 0.225 0.079
2024 10 21 60604 -117.850 -8.419 0.191 0.075
2024 10 22 60605 -118.021 -8.501 0.167 0.072
2024 10 23 60606 -117.869 -8.842 0.185 0.095
2024 10 24 60607 -117.488 -9.019 0.222 0.135
2024 10 25 60608 -117.161 -8.849 0.255 0.171
2024 10 26 60609 -116.946 -8.458 0.267 0.252
2024 10 27 60610 -116.748 -8.088 0.279 0.410
2024 10 28 60611 -116.547 -7.791 0.292 0.585
2024 10 29 60612 -116.403 -7.504 0.302 0.711
2024 10 30 60613 -116.311 -7.277 0.363 1.259
2024 10 31 60614 -116.264 -7.252 0.464 2.145
2024 11 1 60615 -116.278 -7.495 0.554 2.932
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
2024 10 2 60585 0.0733 0.0249 15.04106716591 0.00000000433
2024 10 3 60586 0.1038 0.0259 15.04106716060 0.00000000451
2024 10 4 60587 0.0826 0.0246 15.04106716429 0.00000000428
2024 10 5 60588 0.0059 0.0242 15.04106717764 0.00000000421
2024 10 6 60589 -0.0770 0.0239 15.04106719207 0.00000000416
2024 10 7 60590 -0.2172 0.0238 15.04106721648 0.00000000414
2024 10 8 60591 -0.3665 0.0238 15.04106724247 0.00000000414
2024 10 9 60592 -0.4163 0.0238 15.04106725114 0.00000000414
2024 10 10 60593 -0.3788 0.0242 15.04106724461 0.00000000421
2024 10 11 60594 -0.2928 0.0261 15.04106722964 0.00000000454
2024 10 12 60595 -0.0725 0.0262 15.04106719129 0.00000000456
2024 10 13 60596 0.2978 0.0273 15.04106712683 0.00000000475
2024 10 14 60597 0.7203 0.0286 15.04106705328 0.00000000498
2024 10 15 60598 1.0572 0.0289 15.04106699463 0.00000000503
2024 10 16 60599 1.2098 0.0316 15.04106696806 0.00000000550
2024 10 17 60600 1.1345 0.0318 15.04106698117 0.00000000554
2024 10 18 60601 0.8458 0.0311 15.04106703143 0.00000000541
2024 10 19 60602 0.4608 0.0322 15.04106709845 0.00000000561
2024 10 20 60603 0.0906 0.0304 15.04106716290 0.00000000529
2024 10 21 60604 -0.2038 0.0300 15.04106721415 0.00000000522
2024 10 22 60605 -0.3268 0.0309 15.04106723556 0.00000000538
2024 10 23 60606 -0.2878 0.0322 15.04106722877 0.00000000561
2024 10 24 60607 -0.2525 0.0339 15.04106722263 0.00000000590
2024 10 25 60608 -0.1141 0.0358 15.04106719853 0.00000000623
2024 10 26 60609 0.0598 0.0295 15.04106716826 0.00000000514
2024 10 27 60610 0.2430 0.0269 15.04106713637 0.00000000468
2024 10 28 60611 0.4228 0.0263 15.04106710507 0.00000000458
2024 10 29 60612 0.5218 0.0250 15.04106708783 0.00000000435
2024 10 30 60613 0.4807 0.0257 15.04106709499 0.00000000447
2024 10 31 60614 0.3793 0.0247 15.04106711264 0.00000000430
2024 11 1 60615 0.2214 0.0249 15.04106714013 0.00000000433
4 - INFORMATION ON TIME SCALES
TAI - UTC = 37 s. during period [60585-60615]
No leap second introduced during period [60585-60615]
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
GSFC
gsf2023a.eoxy 54 56 3 9 45 42 9
60587.27 to 60612.21 59 53 34 23 35 52
IAA
iaa2021a.eops 76 86 4 - 92 88 10
60587.27 to 60612.21 279 321 34 - 44 57
USNO
usn2024a.eoxy 54 59 3 - 58 52 8
60587.27 to 60612.21 109 97 35 - 81 40
IVS *
ivs2023a.eoxy 86 167 6 - 73 67 8
60587.28 to 60612.21 89 190 26 - 3 8
ASI
asi2023a.eoxy 232 283 28 - 203 157 10
60587.27 to 60612.21 350 248 21 - 334 190
VIE
vie2023a.eopxy 579 828 78 - - - 20
60585.00 to 60615.00 980 1395 28 - - -
VIE
vie2023a.eoxy - - - - 54 60 10
60587.27 to 60612.21 - - - - 85 74
VLBI Intensive
GSI *
gsiint2d.eopi - - 8 - - - 8
60588.33 to 60610.33 - - 44 - - -
BKG *
bkg2023b.eopi - - 7 - - - 63
60585.75 to 60614.75 - - 41 - - -
GSFC *
gsf2023a.eopi - - 12 - - - 82
60585.75 to 60615.00 - - 33 - - -
IAA *
iaa2021a.eopi - - 9 - - - 94
60585.75 to 60614.81 - - 35 - - -
USNO *
usn2024a.eopi - - 10 - - - 69
60585.75 to 60614.81 - - 33 - - -
VIE
vie2023a.eopi - - 8 - - - 101
60585.75 to 60614.81 - - 39 - - -
DGFI
dgf2024a.eopi - - 8 - - - 37
60585.75 to 60614.75 - - 48 - - -
GPS
CODE
COD0OPSFIN 3 3 - 0 - - 30
60585.50 to 60614.50 28 26 - 17 - -
JPL
JPL0OPSFIN 5 6 - 4 - - 30
60585.50 to 60614.50 32 30 - 22 - -
GFZ
GFZ0OPSFIN 4 4 - 1 - - 30
60585.50 to 60614.50 33 36 - 13 - -
ESA
ESA0OPSFIN 6 6 - 3 - - 30
60585.50 to 60614.50 26 28 - 13 - -
SIO
SIO0OPSFIN 27 25 - 10 - - 30
60585.50 to 60614.50 37 36 - 17 - -
EMR
EMR0OPSRAP 3 3 - 1 - - 30
60585.50 to 60614.50 52 39 - 17 - -
IAA
gnss.res 0 0 - 0 - - 30
60585.50 to 60614.50 63 62 - 20 - -
GRGS
GRG0OPSFIN 273 273 - 0 - - 30
60585.50 to 60614.50 27 26 - 15 - -
ASI
asi*.erp 10 9 - 0 - - 12
60589.50 to 60614.50 16 20 - 77 - -
MIT
MIT0OPSFIN 11 11 - 1 - - 30
60585.50 to 60614.50 40 33 - 17 - -
IGS *
IGS0OPSRAP 11 9 - 3 - - 30
60585.50 to 60614.50 28 27 - 16 - -
IGS *
IGS0OPSFIN 6 7 - 2 - - 30
60585.50 to 60614.50 27 21 - 13 - -
SLR
MCC
tg*.02 225 250 - 42 - - 31
60585.00 to 60615.00 85 200 - 201 - -
IAA
slr_v.dat 79 97 - 6 - - 29
60585.00 to 60615.00 277 272 - 20 - -
ASI
asi.*.eop 57 71 - 16 - - 30
60585.50 to 60614.50 142 174 - 46 - -
ILRS *
ilrsa.eop 40 47 - 10 - - 30
60585.50 to 60614.50 104 125 - 26 - -
BULLETIN A
NEOS
mark3.out 17 16 9 - - - 31
60585.00 to 60615.00 45 55 31 - - -
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