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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        2026.01.27-17:11:53.0000000   1.723848925D-06  rad 
e2        2026.01.27-17:11:53.0000000   4.480541748D-07  rad 
e3        2026.01.27-17:11:53.0000000   2.692946376D-03  rad 
e1r       2026.01.27-17:11:53.0000000   6.977707026D-14  rad 
e2r       2026.01.27-17:11:53.0000000   5.458831958D-14  rad 
e3r       2026.01.27-17:11:53.0000000   6.035563544D-14  rad 
e1rr      2026.01.27-17:11:53.0000000   1.022915836D-19  rad 
e2rr      2026.01.27-17:11:53.0000000   4.349824561D-19  rad 
e3rr      2026.01.27-17:11:53.0000000  -2.156143321D-18  rad 
utcmtai   2026.01.27-17:11:53.0000000  -37.0000000       s
ut1mtai   2026.01.27-17:11:53.0000000  -36.9295646       s
ut1rat    2026.01.27-17:11:53.0000000  -7.151185626D-05  s/day
lod       2026.01.27-17:11:53.0000000   7.112189011D-05  s
xpol      2026.01.27-17:11:53.0000000   0.092418         arcsec
ypol      2026.01.27-17:11:53.0000000   0.355569         arcsec
xpolr     2026.01.27-17:11:53.0000000   9.728336875D-04  arcsec/d
ypolr     2026.01.27-17:11:53.0000000   1.243516655D-03  arcsec/d
deps      2026.01.27-17:11:53.0000000    8.3903596       arcsec
dpsi      2026.01.27-17:11:53.0000000    6.5751035       arcsec
mat       2026.01.27-17:11:53.0000000   9.101286870948D-01   4.143191289319D-01  -2.330735543680D-03  -4.143178676415D-01   9.101316708028D-01   1.022914789310D-03   2.545089399047D-03   3.468128628962D-05   9.999967606533D-01
matr      2026.01.27-17:11:53.0000000  -3.021253568120D-05   6.636784944477D-05   7.471362478785D-08  -6.636763177074D-05  -3.021262796389D-05   1.699970052496D-07  -9.521615554871D-11  -8.409301498968D-11   2.452508765797D-13
matrr     2026.01.27-17:11:53.0000000  -4.839604123155D-09  -2.203139634555D-09   1.239667315963D-11   2.203132905957D-09  -4.839619996930D-09  -5.447902657339D-12   5.998096134135D-15  -7.339799592332D-15  -1.502730157936D-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