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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        2026.07.09-07:00:57.0000000   1.857732612D-06  rad 
e2        2026.07.09-07:00:57.0000000   1.027027141D-06  rad 
e3        2026.07.09-07:00:57.0000000   2.697240855D-03  rad 
e1r       2026.07.09-07:00:57.0000000  -2.993886491D-14  rad 
e2r       2026.07.09-07:00:57.0000000  -5.063630732D-15  rad 
e3r       2026.07.09-07:00:57.0000000   3.724390621D-13  rad 
e1rr      2026.07.09-07:00:57.0000000  -6.126818358D-20  rad 
e2rr      2026.07.09-07:00:57.0000000  -2.405378517D-19  rad 
e3rr      2026.07.09-07:00:57.0000000  -2.105764958D-18  rad 
utcmtai   2026.07.09-07:00:57.0000000  -37.0000000       s
ut1mtai   2026.07.09-07:00:57.0000000  -36.9884567       s
ut1rat    2026.07.09-07:00:57.0000000  -4.412812238D-04  s/day
lod       2026.07.09-07:00:57.0000000   4.388748433D-04  s
xpol      2026.07.09-07:00:57.0000000   0.211840         arcsec
ypol      2026.07.09-07:00:57.0000000   0.383185         arcsec
xpolr     2026.07.09-07:00:57.0000000  -9.024037735D-05  arcsec/d
ypolr     2026.07.09-07:00:57.0000000  -5.335488723D-04  arcsec/d
deps      2026.07.09-07:00:57.0000000    7.6074211       arcsec
dpsi      2026.07.09-07:00:57.0000000    8.1325741       arcsec
mat       2026.07.09-07:00:57.0000000   8.482346215307D-01   5.296160184623D-01  -2.213554810621D-03  -5.296143080313D-01   8.482375092328D-01   1.346350233690D-03   2.590668869334D-03   3.030941839470D-05   9.999966437524D-01
matr      2026.07.09-07:00:57.0000000  -3.862008458164D-05   6.185445549948D-05   9.831118490585D-08  -6.185424471497D-05  -3.862020965239D-05   1.614944397077D-07  -7.138269921169D-11  -1.382642627136D-10   1.891202811692D-13
matrr     2026.07.09-07:00:57.0000000  -4.510482724370D-09  -2.816230129670D-09   1.177668767664D-11   2.816221009617D-09  -4.510498095865D-09  -7.168862626561D-12   9.869353074140D-15  -5.465310509419D-15  -2.542687050091D-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