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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        2026.07.09-08:15:09.0000000   1.857598720D-06  rad 
e2        2026.07.09-08:15:09.0000000   1.027002247D-06  rad 
e3        2026.07.09-08:15:09.0000000   2.697242492D-03  rad 
e1r       2026.07.09-08:15:09.0000000  -3.020963172D-14  rad 
e2r       2026.07.09-08:15:09.0000000  -6.112641719D-15  rad 
e3r       2026.07.09-08:15:09.0000000   3.629994635D-13  rad 
e1rr      2026.07.09-08:15:09.0000000  -6.037009396D-20  rad 
e2rr      2026.07.09-08:15:09.0000000  -2.307159609D-19  rad 
e3rr      2026.07.09-08:15:09.0000000  -2.134599979D-18  rad 
utcmtai   2026.07.09-08:15:09.0000000  -37.0000000       s
ut1mtai   2026.07.09-08:15:09.0000000  -36.9884792       s
ut1rat    2026.07.09-08:15:09.0000000  -4.300967966D-04  s/day
lod       2026.07.09-08:15:09.0000000   4.277514065D-04  s
xpol      2026.07.09-08:15:09.0000000   0.211834         arcsec
ypol      2026.07.09-08:15:09.0000000   0.383157         arcsec
xpolr     2026.07.09-08:15:09.0000000  -1.089350951D-04  arcsec/d
ypolr     2026.07.09-08:15:09.0000000  -5.383742831D-04  arcsec/d
deps      2026.07.09-08:15:09.0000000    7.6045793       arcsec
dpsi      2026.07.09-08:15:09.0000000    8.1357900       arcsec
mat       2026.07.09-08:15:09.0000000   6.349939647695D-01   7.725152963123D-01  -1.667833897857D-03  -7.725127534573D-01   6.349961543855D-01   1.982337347704D-03   2.590454034846D-03   2.965070481355D-05   9.999966443287D-01
matr      2026.07.09-08:15:09.0000000  -5.633251886892D-05   4.630465052389D-05   1.446895104854D-07  -4.630449064392D-05  -5.633270464467D-05   1.217001371961D-07  -2.422144929944D-11  -1.550896095297D-10   6.734329368020D-14
matrr     2026.07.09-08:15:09.0000000  -3.376576775419D-09  -4.107845652645D-09   8.874853643523D-12   4.107832105604D-09  -3.376588434940D-09  -1.055094362679D-11   1.109027311798D-14  -2.017163540853D-15  -2.869376712563D-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