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Network Earth Rotation Service: Earth rotation parameters now


The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2025.03.14-11:38:50.0000000   1.687000241D-06  rad 
e2        2025.03.14-11:38:50.0000000   3.014907273D-07  rad 
e3        2025.03.14-11:38:50.0000000   2.694934424D-03  rad 
e1r       2025.03.14-11:38:50.0000000   1.361013497D-13  rad 
e2r       2025.03.14-11:38:50.0000000  -3.308310243D-14  rad 
e3r       2025.03.14-11:38:50.0000000   4.479241724D-13  rad 
e1rr      2025.03.14-11:38:50.0000000   2.098618237D-20  rad 
e2rr      2025.03.14-11:38:50.0000000  -4.426366094D-20  rad 
e3rr      2025.03.14-11:38:50.0000000   2.679190565D-19  rad 
utcmtai   2025.03.14-11:38:50.0000000  -37.0000000       s
ut1mtai   2025.03.14-11:38:50.0000000  -36.9568276       s
ut1rat    2025.03.14-11:38:50.0000000  -5.307191085D-04  s/day
lod       2025.03.14-11:38:50.0000000   5.278250081D-04  s
xpol      2025.03.14-11:38:50.0000000   0.062187         arcsec
ypol      2025.03.14-11:38:50.0000000   0.347969         arcsec
xpolr     2025.03.14-11:38:50.0000000  -5.895832071D-04  arcsec/d
ypolr     2025.03.14-11:38:50.0000000   2.425500160D-03  arcsec/d
deps      2025.03.14-11:38:50.0000000    9.7700644       arcsec
dpsi      2025.03.14-11:38:50.0000000    0.9824555       arcsec
mat       2025.03.14-11:38:50.0000000   9.726740195172D-01  -2.321629065441D-01  -2.374148520744D-03   2.321621089526D-01   9.726769160660D-01  -6.100156370017D-04   2.450902464763D-03   4.215903406820D-05   9.999969956453D-01
matr      2025.03.14-11:38:50.0000000   1.692952839812D-05   7.092871982440D-05  -4.435963333934D-08  -7.092850854762D-05   1.692958625784D-05   1.731468211061D-07  -1.249539270862D-10   8.050216520277D-12   3.059114181949D-13
matrr     2025.03.14-11:38:50.0000000  -5.172188458139D-09   1.234524870367D-09   1.262604418398D-11  -1.234520651286D-09  -5.172203864619D-09   3.234709082631D-12  -5.451128139453D-16  -9.071742895842D-15   1.702802480690D-18

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Rms errors of the Earth orientation parameter at the current moment:
1.1 nrad for components 1,2 (polar motion) and
2.5 nrad for component 3 (axial component, or UT1),
which corresponds to 7 and 16 mm at the Earth's surface respectively.
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Last update: 2022.11.17_15:11:17