Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2018.10.21-02:41:00.8410000   1.488796101D-06  rad 
e2        2018.10.21-02:41:00.8410000   9.541740832D-07  rad 
e3        2018.10.21-02:41:00.8410000   2.695817503D-03  rad 
e1r       2018.10.21-02:41:00.8410000  -8.958545621D-14  rad 
e2r       2018.10.21-02:41:00.8410000  -6.062647350D-14  rad 
e3r       2018.10.21-02:41:00.8410000   7.721844115D-13  rad 
e1rr      2018.10.21-02:41:00.8410000  -1.631981855D-19  rad 
e2rr      2018.10.21-02:41:00.8410000  -1.283006513D-19  rad 
e3rr      2018.10.21-02:41:00.8410000   1.494479221D-18  rad 
utcmtai   2018.10.21-02:41:00.8410000  -37.0000000       s
ut1mtai   2018.10.21-02:41:00.8410000  -36.9689377       s
ut1rat    2018.10.21-02:41:00.8410000  -9.149160677D-04  s/day
lod       2018.10.21-02:41:00.8410000   9.099268768D-04  s
xpol      2018.10.21-02:41:00.8410000   0.196813         arcsec
ypol      2018.10.21-02:41:00.8410000   0.307086         arcsec
xpolr     2018.10.21-02:41:00.8410000  -1.080441315D-03  arcsec/d
ypolr     2018.10.21-02:41:00.8410000  -1.596527433D-03  arcsec/d
deps      2018.10.21-02:41:00.8410000   -4.3667583       arcsec
dpsi      2018.10.21-02:41:00.8410000  -16.1978265       arcsec
mat       2018.10.21-02:41:00.8410000   3.524576332567D-01   9.358275729387D-01  -6.086762730066D-04  -9.358260512142D-01   3.524581579265D-01   1.687832905136D-03   1.794053489097D-03  -2.527447804145D-05   9.999983903653D-01
matr      2018.10.21-02:41:00.8410000  -6.824151248973D-05   2.570165451215D-05   1.231863714390D-07  -2.570161612965D-05  -6.824162365053D-05   4.445543628427D-08   2.762253730049D-11  -1.254392128896D-10  -5.272680507698D-14
matrr     2018.10.21-02:41:00.8410000  -1.874191432424D-09  -4.976257733105D-09   3.241784615052D-12   4.976249627172D-09  -1.874194231410D-09  -8.982861989239D-12   9.170542100007D-15   1.963389458793D-15  -1.641936082672D-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.
This page was prepared by Leonid Petrov ()
Last update: 2016.06.28_12:42:19