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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        2026.03.12-23:12:09.0000000   1.921520868D-06  rad 
e2        2026.03.12-23:12:09.0000000   5.014233051D-07  rad 
e3        2026.03.12-23:12:09.0000000   2.693511042D-03  rad 
e1r       2026.03.12-23:12:09.0000000   9.947558345D-14  rad 
e2r       2026.03.12-23:12:09.0000000   2.198203669D-14  rad 
e3r       2026.03.12-23:12:09.0000000   1.951209715D-14  rad 
e1rr      2026.03.12-23:12:09.0000000   4.099542103D-19  rad 
e2rr      2026.03.12-23:12:09.0000000   1.558490068D-19  rad 
e3rr      2026.03.12-23:12:09.0000000   6.141182712D-19  rad 
utcmtai   2026.03.12-23:12:09.0000000  -37.0000000       s
ut1mtai   2026.03.12-23:12:09.0000000  -36.9373081       s
ut1rat    2026.03.12-23:12:09.0000000  -2.311874072D-05  s/day
lod       2026.03.12-23:12:09.0000000   2.299267034D-05  s
xpol      2026.03.12-23:12:09.0000000   0.103426         arcsec
ypol      2026.03.12-23:12:09.0000000   0.396342         arcsec
xpolr     2026.03.12-23:12:09.0000000   3.917480145D-04  arcsec/d
ypolr     2026.03.12-23:12:09.0000000   1.772782152D-03  arcsec/d
deps      2026.03.12-23:12:09.0000000    8.9490708       arcsec
dpsi      2026.03.12-23:12:09.0000000    6.6505557       arcsec
mat       2026.03.12-23:12:09.0000000  -9.282012984453D-01   3.720709230856D-01   2.361727905039D-03  -3.720696257153D-01  -9.282043024302D-01   9.831430070478D-04   2.557964928784D-03   3.382739803015D-05   9.999967278302D-01
matr      2026.03.12-23:12:09.0000000  -2.713174515698D-05  -6.768572650262D-05   7.183543606941D-08   6.768550755343D-05  -2.713184012851D-05  -1.721808266850D-07   1.477569627901D-10  -1.711323208512D-11  -3.773794677040D-13
matrr     2026.03.12-23:12:09.0000000   4.935705153981D-09  -1.978485006358D-09  -1.255542017554D-11   1.978478080183D-09   4.935721119454D-09  -5.238616626302D-12   1.338369076054D-15   1.042583421171D-14  -3.798300190906D-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