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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        2026.05.23-17:52:52.0000000   1.990528121D-06  rad 
e2        2026.05.23-17:52:52.0000000   8.587663014D-07  rad 
e3        2026.05.23-17:52:52.0000000   2.696399555D-03  rad 
e1r       2026.05.23-17:52:52.0000000  -3.296509784D-14  rad 
e2r       2026.05.23-17:52:52.0000000   9.840277332D-14  rad 
e3r       2026.05.23-17:52:52.0000000   8.769099631D-13  rad 
e1rr      2026.05.23-17:52:52.0000000   1.087061411D-19  rad 
e2rr      2026.05.23-17:52:52.0000000   3.826597574D-19  rad 
e3rr      2026.05.23-17:52:52.0000000   9.608784592D-19  rad 
utcmtai   2026.05.23-17:52:52.0000000  -37.0000000       s
ut1mtai   2026.05.23-17:52:52.0000000  -36.9769196       s
ut1rat    2026.05.23-17:52:52.0000000  -1.038999238D-03  s/day
lod       2026.05.23-17:52:52.0000000   1.033333401D-03  s
xpol      2026.05.23-17:52:52.0000000   0.177133         arcsec
ypol      2026.05.23-17:52:52.0000000   0.410576         arcsec
xpolr     2026.05.23-17:52:52.0000000   1.753663303D-03  arcsec/d
ypolr     2026.05.23-17:52:52.0000000  -5.874802145D-04  arcsec/d
deps      2026.05.23-17:52:52.0000000    8.0119232       arcsec
dpsi      2026.05.23-17:52:52.0000000    6.3961308       arcsec
mat       2026.05.23-17:52:52.0000000  -8.578931697396D-01   5.138234023910D-01   2.195556747266D-03  -5.138216328336D-01  -8.578959787254D-01   1.348821348116D-03   2.576615278850D-03   2.902006888897D-05   9.999966801003D-01
matr      2026.05.23-17:52:52.0000000  -3.746846424928D-05  -6.255876178670D-05   9.850372622546D-08   6.255855712285D-05  -3.746859366207D-05  -1.600379509328D-07   1.585363739867D-10  -1.968380287543D-11  -4.079173730743D-13
matrr     2026.05.23-17:52:52.0000000   4.561841963244D-09  -2.732252953103D-09  -1.167003064542D-11   2.732243515906D-09   4.561856887229D-09  -7.183113092507D-12   1.494025629774D-15   1.140582143529D-14  -4.206059791817D-18

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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