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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        2025.01.18-01:46:14.1310000   1.465960701D-06  rad 
e2        2025.01.18-01:46:14.1310000   5.776478580D-07  rad 
e3        2025.01.18-01:46:14.1310000   2.694838369D-03  rad 
e1r       2025.01.18-01:46:14.1310000  -6.758674749D-15  rad 
e2r       2025.01.18-01:46:14.1310000  -9.561877238D-14  rad 
e3r       2025.01.18-01:46:14.1310000   1.512264814D-13  rad 
e1rr      2025.01.18-01:46:14.1310000  -4.656251913D-20  rad 
e2rr      2025.01.18-01:46:14.1310000  -2.232972722D-19  rad 
e3rr      2025.01.18-01:46:14.1310000   7.753461484D-19  rad 
utcmtai   2025.01.18-01:46:14.1310000  -37.0000000       s
ut1mtai   2025.01.18-01:46:14.1310000  -36.9555104       s
ut1rat    2025.01.18-01:46:14.1310000  -1.791793976D-04  s/day
lod       2025.01.18-01:46:14.1310000   1.782023023D-04  s
xpol      2025.01.18-01:46:14.1310000   0.119148         arcsec
ypol      2025.01.18-01:46:14.1310000   0.302376         arcsec
xpolr     2025.01.18-01:46:14.1310000  -1.704048845D-03  arcsec/d
ypolr     2025.01.18-01:46:14.1310000  -1.204482301D-04  arcsec/d
deps      2025.01.18-01:46:14.1310000    8.9066209       arcsec
dpsi      2025.01.18-01:46:14.1310000    0.9869146       arcsec
mat       2025.01.18-01:46:14.1310000  -8.070798491072D-01   5.904391021885D-01   1.945192013461D-03  -5.904372829888D-01  -8.070821924683D-01   1.466102778508D-03   2.435574243254D-03   3.474812193442D-05   9.999970333809D-01
matr      2025.01.18-01:46:14.1310000  -4.305536612817D-05  -5.885336258488D-05   1.070163809220D-07   5.885319181784D-05  -4.305549904407D-05  -1.418005390662D-07   1.125668343104D-10  -2.646825885109D-11  -2.732459705198D-13
matrr     2025.01.18-01:46:14.1310000   4.291642499074D-09  -3.139656556478D-09  -1.034012137663D-11   3.139646863925D-09   4.291654951254D-09  -7.803831360469D-12   2.007798465307D-15   8.068023062806D-15  -5.183875170897D-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