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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        2026.05.24-08:10:58.0000000   1.988174359D-06  rad 
e2        2026.05.24-08:10:58.0000000   8.628102996D-07  rad 
e3        2026.05.24-08:10:58.0000000   2.696446645D-03  rad 
e1r       2026.05.24-08:10:58.0000000  -3.471689544D-14  rad 
e2r       2026.05.24-08:10:58.0000000   1.033786620D-13  rad 
e3r       2026.05.24-08:10:58.0000000   9.218897645D-13  rad 
e1rr      2026.05.24-08:10:58.0000000   6.721683859D-20  rad 
e2rr      2026.05.24-08:10:58.0000000   2.526787172D-19  rad 
e3rr      2026.05.24-08:10:58.0000000   4.315884802D-19  rad 
utcmtai   2026.05.24-08:10:58.0000000  -37.0000000       s
ut1mtai   2026.05.24-08:10:58.0000000  -36.9775654       s
ut1rat    2026.05.24-08:10:58.0000000  -1.092293169D-03  s/day
lod       2026.05.24-08:10:58.0000000   1.086336711D-03  s
xpol      2026.05.24-08:10:58.0000000   0.177967         arcsec
ypol      2026.05.24-08:10:58.0000000   0.410090         arcsec
xpolr     2026.05.24-08:10:58.0000000   1.842340006D-03  arcsec/d
ypolr     2026.05.24-08:10:58.0000000  -6.186994887D-04  arcsec/d
deps      2026.05.24-08:10:58.0000000    8.0130413       arcsec
dpsi      2026.05.24-08:10:58.0000000    6.3527744       arcsec
mat       2026.05.24-08:10:58.0000000   9.973194841280D-01   7.312478312880D-02  -2.571511432027D-03  -7.312462565209D-02   9.973227987944D-01   1.553323261738D-04   2.575985621185D-03   3.312485541882D-05   9.999966815949D-01
matr      2026.05.24-08:10:58.0000000  -5.332331459113D-06   7.272592586138D-05   1.147047284518D-08  -7.272568398578D-05  -5.332343309973D-06   1.875802910892D-07  -1.384905202142D-10  -7.304195361964D-11   3.591702848963D-13
matrr     2026.05.24-08:10:58.0000000  -5.303240543438D-09  -3.888406079496D-10   1.367858644036D-11   3.888397440706D-10  -5.303258181306D-09  -8.363166136219D-13   5.330038834100D-15  -1.022327044052D-14  -1.341602695357D-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