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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        2026.08.26-16:30:44.0000000   1.662512668D-06  rad 
e2        2026.08.26-16:30:44.0000000   1.034106230D-06  rad 
e3        2026.08.26-16:30:44.0000000   2.697598196D-03  rad 
e1r       2026.08.26-16:30:44.0000000  -6.233624750D-14  rad 
e2r       2026.08.26-16:30:44.0000000   1.805665755D-15  rad 
e3r       2026.08.26-16:30:44.0000000   3.556309315D-13  rad 
e1rr      2026.08.26-16:30:44.0000000  -6.076708443D-20  rad 
e2rr      2026.08.26-16:30:44.0000000   3.744914880D-19  rad 
e3rr      2026.08.26-16:30:44.0000000   2.143455319D-18  rad 
utcmtai   2026.08.26-16:30:44.0000000  -37.0000000       s
ut1mtai   2026.08.26-16:30:44.0000000  -36.9933571       s
ut1rat    2026.08.26-16:30:44.0000000  -4.213662547D-04  s/day
lod       2026.08.26-16:30:44.0000000   4.190684738D-04  s
xpol      2026.08.26-16:30:44.0000000   0.213300         arcsec
ypol      2026.08.26-16:30:44.0000000   0.342918         arcsec
xpolr     2026.08.26-16:30:44.0000000   3.217927367D-05  arcsec/d
ypolr     2026.08.26-16:30:44.0000000  -1.110911675D-03  arcsec/d
deps      2026.08.26-16:30:44.0000000    8.2646245       arcsec
dpsi      2026.08.26-16:30:44.0000000    9.5052332       arcsec
mat       2026.08.26-16:30:44.0000000  -7.416840900191D-01  -6.707465100945D-01   1.956989697362D-03   6.707442868623D-01  -7.416866711761D-01  -1.727264093479D-03   2.610029536875D-03   3.155536155893D-05   9.999965933692D-01
matr      2026.08.26-16:30:44.0000000   4.891144593323D-05  -5.408464594008D-05  -1.258287165122D-07   5.408445792230D-05   4.891160772907D-05  -1.426296198750D-07   4.179241263523D-11   1.406987114936D-10  -1.135196169061D-13
matrr     2026.08.26-16:30:44.0000000   3.943900933039D-09   3.566690751295D-09  -1.040064020545D-11  -3.566678953636D-09   3.943914643312D-09   9.175305338560D-12  -1.001231474770D-14   2.898469203910D-15   2.601955743553D-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