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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        2026.05.23-12:59:09.0000000   1.990757642D-06  rad 
e2        2026.05.23-12:59:09.0000000   8.572031323D-07  rad 
e3        2026.05.23-12:59:09.0000000   2.696382135D-03  rad 
e1r       2026.05.23-12:59:09.0000000  -4.029750082D-14  rad 
e2r       2026.05.23-12:59:09.0000000   8.521959737D-14  rad 
e3r       2026.05.23-12:59:09.0000000   8.423681836D-13  rad 
e1rr      2026.05.23-12:59:09.0000000   1.495121862D-19  rad 
e2rr      2026.05.23-12:59:09.0000000   4.032029605D-19  rad 
e3rr      2026.05.23-12:59:09.0000000   1.008122687D-18  rad 
utcmtai   2026.05.23-12:59:09.0000000  -37.0000000       s
ut1mtai   2026.05.23-12:59:09.0000000  -36.9766807       s
ut1rat    2026.05.23-12:59:09.0000000  -9.980727072D-04  s/day
lod       2026.05.23-12:59:09.0000000   9.926300492D-04  s
xpol      2026.05.23-12:59:09.0000000   0.176811         arcsec
ypol      2026.05.23-12:59:09.0000000   0.410623         arcsec
xpolr     2026.05.23-12:59:09.0000000   1.518722243D-03  arcsec/d
ypolr     2026.05.23-12:59:09.0000000  -7.181530157D-04  arcsec/d
deps      2026.05.23-12:59:09.0000000    8.0097545       arcsec
dpsi      2026.05.23-12:59:09.0000000    6.4089875       arcsec
mat       2026.05.23-12:59:09.0000000   2.512076984795D-01   9.679329699978D-01  -6.766209236204D-04  -9.679297820756D-01   2.512086078175D-01   2.484417339866D-03   2.574722454734D-03   3.081678113704D-05   9.999966849218D-01
matr      2026.05.23-12:59:09.0000000  -7.058255322103D-05   1.831842077420D-05   1.813100592682D-07  -1.831835429377D-05  -7.058278605544D-05   4.940446656537D-08   2.637679957307D-11  -1.550875802598D-10  -6.313384694446D-14
matrr     2026.05.23-12:59:09.0000000  -1.335795464410D-09  -5.146977987812D-09   3.602739192332D-12   5.146961009529D-09  -1.335800312530D-09  -1.322122658363D-11   1.140034093216D-14   1.790156133459D-15  -2.943274244026D-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