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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        2026.10.17-01:48:28.0000000   1.551044201D-06  rad 
e2        2026.10.17-01:48:28.0000000   7.569032933D-07  rad 
e3        2026.10.17-01:48:28.0000000   2.700838149D-03  rad 
e1r       2026.10.17-01:48:28.0000000  -5.884385445D-14  rad 
e2r       2026.10.17-01:48:28.0000000  -3.500498214D-14  rad 
e3r       2026.10.17-01:48:28.0000000   4.528942790D-13  rad 
e1rr      2026.10.17-01:48:28.0000000  -1.553035638D-19  rad 
e2rr      2026.10.17-01:48:28.0000000   2.236676105D-19  rad 
e3rr      2026.10.17-01:48:28.0000000   6.904398172D-19  rad 
utcmtai   2026.10.17-01:48:28.0000000  -37.0000000       s
ut1mtai   2026.10.17-01:48:28.0000000  -37.0377880       s
ut1rat    2026.10.17-01:48:28.0000000  -5.366078965D-04  s/day
lod       2026.10.17-01:48:28.0000000   5.336816836D-04  s
xpol      2026.10.17-01:48:28.0000000   0.156123         arcsec
ypol      2026.10.17-01:48:28.0000000   0.319926         arcsec
xpolr     2026.10.17-01:48:28.0000000  -6.238335622D-04  arcsec/d
ypolr     2026.10.17-01:48:28.0000000  -1.048672763D-03  arcsec/d
deps      2026.10.17-01:48:28.0000000    7.9449683       arcsec
dpsi      2026.10.17-01:48:28.0000000    8.0586677       arcsec
mat       2026.10.17-01:48:28.0000000   6.128245756069D-01   7.902173042244D-01  -1.628384626236D-03  -7.902146478357D-01   6.128267382750D-01   2.049195228421D-03   2.617227168386D-03   3.097618776899D-05   9.999965745753D-01
matr      2026.10.17-01:48:28.0000000  -5.762336143209D-05   4.468803117139D-05   1.495400297965D-07  -4.468787330891D-05  -5.762355542600D-05   1.188028329151D-07  -2.088586217303D-11  -1.234544774117D-10   5.848739546507D-14
matrr     2026.10.17-01:48:28.0000000  -3.258691154685D-09  -4.201975995462D-09   8.663478462201D-12   4.201961849651D-09  -3.258702666824D-09  -1.090445680991D-11   9.004089994360D-15  -1.818890855498D-15  -2.352516113903D-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