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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        2026.10.17-03:51:26.0000000   1.550718122D-06  rad 
e2        2026.10.17-03:51:26.0000000   7.565833482D-07  rad 
e3        2026.10.17-03:51:26.0000000   2.700842763D-03  rad 
e1r       2026.10.17-03:51:26.0000000  -5.850332104D-14  rad 
e2r       2026.10.17-03:51:26.0000000  -3.427054685D-14  rad 
e3r       2026.10.17-03:51:26.0000000   4.769217775D-13  rad 
e1rr      2026.10.17-03:51:26.0000000  -1.381160834D-19  rad 
e2rr      2026.10.17-03:51:26.0000000   1.977756697D-19  rad 
e3rr      2026.10.17-03:51:26.0000000   8.308955006D-19  rad 
utcmtai   2026.10.17-03:51:26.0000000  -37.0000000       s
ut1mtai   2026.10.17-03:51:26.0000000  -37.0378513       s
ut1rat    2026.10.17-03:51:26.0000000  -5.650766718D-04  s/day
lod       2026.10.17-03:51:26.0000000   5.619952138D-04  s
xpol      2026.10.17-03:51:26.0000000   0.156057         arcsec
ypol      2026.10.17-03:51:26.0000000   0.319859         arcsec
xpolr     2026.10.17-03:51:26.0000000  -6.107449858D-04  arcsec/d
ypolr     2026.10.17-03:51:26.0000000  -1.042604022D-03  arcsec/d
deps      2026.10.17-03:51:26.0000000    7.9453648       arcsec
dpsi      2026.10.17-03:51:26.0000000    8.0635219       arcsec
mat       2026.10.17-03:51:26.0000000   1.213204670212D-01   9.926133303622D-01  -3.473743734309D-04  -9.926099404675D-01   1.213209606109D-01   2.594340299853D-03   2.617320557806D-03   3.006067934096D-05   9.999965743589D-01
matr      2026.10.17-03:51:26.0000000  -7.238225906688D-05   8.846864092527D-06   1.892946186615D-07  -8.846827939423D-06  -7.238250655413D-05   2.539077027562D-08   4.576025021215D-11  -1.187672643660D-10  -1.161994171017D-13
matrr     2026.10.17-03:51:26.0000000  -6.451208743896D-10  -5.278215690886D-09   1.851842967768D-12   5.278197643835D-09  -6.451235115621D-10  -1.380357917775D-11   8.634713978670D-15   3.020136651157D-15  -2.270687542324D-17

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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: 2025.10.01_14:25:31