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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        2026.01.07-08:11:23.0000000   1.633285753D-06  rad 
e2        2026.01.07-08:11:23.0000000   4.933530313D-07  rad 
e3        2026.01.07-08:11:23.0000000   2.692738171D-03  rad 
e1r       2026.01.07-08:11:23.0000000   1.865665581D-14  rad 
e2r       2026.01.07-08:11:23.0000000  -1.031709585D-13  rad 
e3r       2026.01.07-08:11:23.0000000   5.427458248D-13  rad 
e1rr      2026.01.07-08:11:23.0000000  -7.476437369D-20  rad 
e2rr      2026.01.07-08:11:23.0000000  -9.942878337D-20  rad 
e3rr      2026.01.07-08:11:23.0000000   7.356116978D-19  rad 
utcmtai   2026.01.07-08:11:23.0000000  -37.0000000       s
ut1mtai   2026.01.07-08:11:23.0000000  -36.9267094       s
ut1rat    2026.01.07-08:11:23.0000000  -6.430677290D-04  s/day
lod       2026.01.07-08:11:23.0000000   6.395609727D-04  s
xpol      2026.01.07-08:11:23.0000000   0.101761         arcsec
ypol      2026.01.07-08:11:23.0000000   0.336889         arcsec
xpolr     2026.01.07-08:11:23.0000000  -1.838638464D-03  arcsec/d
ypolr     2026.01.07-08:11:23.0000000   3.324854732D-04  arcsec/d
deps      2026.01.07-08:11:23.0000000    8.2961170       arcsec
dpsi      2026.01.07-08:11:23.0000000    6.1428860       arcsec
mat       2026.01.07-08:11:23.0000000  -6.525028188439D-01  -7.577844283671D-01   1.682713590692D-03   7.577820341491D-01  -6.525049877968D-01  -1.905156478407D-03   2.541676923899D-03   3.201015514547D-05   9.999967694217D-01
matr      2026.01.07-08:11:23.0000000   5.525833853518D-05  -4.758141481393D-05  -1.388036773345D-07   4.758125674607D-05   5.525851281403D-05  -1.226697060945D-07   5.289149641960D-11   1.161470637423D-10  -1.381514278924D-13
matrr     2026.01.07-08:11:23.0000000   3.469680009904D-09   4.029514366267D-09  -8.945215799138D-12  -4.029501658231D-09   3.469691536384D-09   1.012149019033D-11  -8.281686111799D-15   3.704617390452D-15   2.091459205461D-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