Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2018.02.22-22:07:51.3550000   1.597065193D-06  rad 
e2        2018.02.22-22:07:51.3550000   1.315243736D-08  rad 
e3        2018.02.22-22:07:51.3550000   2.685568125D-03  rad 
e1r       2018.02.22-22:07:51.3550000   1.461390675D-13  rad 
e2r       2018.02.22-22:07:51.3550000   8.539401005D-15  rad 
e3r       2018.02.22-22:07:51.3550000   8.322006940D-13  rad 
e1rr      2018.02.22-22:07:51.3550000  -2.607287945D-20  rad 
e2rr      2018.02.22-22:07:51.3550000  -8.437475746D-20  rad 
e3rr      2018.02.22-22:07:51.3550000  -8.877082301D-19  rad 
utcmtai   2018.02.22-22:07:51.3550000  -37.0000000       s
ut1mtai   2018.02.22-22:07:51.3550000  -36.8283834       s
ut1rat    2018.02.22-22:07:51.3550000  -9.860258445D-04  s/day
lod       2018.02.22-22:07:51.3550000   9.806488801D-04  s
xpol      2018.02.22-22:07:51.3550000   0.002713         arcsec
ypol      2018.02.22-22:07:51.3550000   0.329418         arcsec
xpolr     2018.02.22-22:07:51.3550000   1.521830500D-04  arcsec/d
ypolr     2018.02.22-22:07:51.3550000   2.604385133D-03  arcsec/d
deps      2018.02.22-22:07:51.3550000   -6.0842174       arcsec
dpsi      2018.02.22-22:07:51.3550000  -11.7321757       arcsec
mat       2018.02.22-22:07:51.3550000  -5.640932083747D-01   8.257105027302D-01   1.008933385370D-03  -8.257092878356D-01  -5.640941096440D-01   1.416844056903D-03   1.739036398226D-03  -3.385355728258D-05   9.999984873020D-01
matr      2018.02.22-22:07:51.3550000  -6.021167125296D-05  -4.113439161482D-05   1.034370399277D-07   4.113432589416D-05  -6.021176005176D-05  -7.356972718692D-08   6.956513531702D-11  -9.676477237459D-11  -1.242523217542D-13
matrr     2018.02.22-22:07:51.3550000   2.999562379844D-09  -4.390710832290D-09  -5.364652823395D-12   4.390704356653D-09   2.999567172030D-09  -7.542926924949D-12   6.995833386047D-15   4.859214393383D-15  -1.201573178903D-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