Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds 
Parameter TAI time                      Value            Dimension
e1        2024.12.03-23:39:32.3470000   1.575123510D-06  rad 
e2        2024.12.03-23:39:32.3470000   9.151965908D-07  rad 
e3        2024.12.03-23:39:32.3470000   2.694394117D-03  rad 
e1r       2024.12.03-23:39:32.3470000  -9.215336990D-14  rad 
e2r       2024.12.03-23:39:32.3470000  -1.004389981D-13  rad 
e3r       2024.12.03-23:39:32.3470000  -2.824702290D-13  rad 
e1rr      2024.12.03-23:39:32.3470000  -1.519339427D-19  rad 
e2rr      2024.12.03-23:39:32.3470000  -1.596231541D-20  rad 
e3rr      2024.12.03-23:39:32.3470000   1.006928232D-18  rad 
utcmtai   2024.12.03-23:39:32.3470000  -37.0000000       s
ut1mtai   2024.12.03-23:39:32.3470000  -36.9494181       s
ut1rat    2024.12.03-23:39:32.3470000   3.346824247D-04  s/day
lod       2024.12.03-23:39:32.3470000  -3.328573452D-04  s
xpol      2024.12.03-23:39:32.3470000   0.188773         arcsec
ypol      2024.12.03-23:39:32.3470000   0.324893         arcsec
xpolr     2024.12.03-23:39:32.3470000  -1.789951434D-03  arcsec/d
ypolr     2024.12.03-23:39:32.3470000  -1.642290940D-03  arcsec/d
deps      2024.12.03-23:39:32.3470000    8.5313579       arcsec
dpsi      2024.12.03-23:39:32.3470000   -1.6850085       arcsec
mat       2024.12.03-23:39:32.3470000   3.794795122487D-01   9.251996537980D-01  -9.488917409241D-04  -9.251969838290D-01   3.794806970497D-01   2.222989071506D-03   2.416794818625D-03   3.433296809399D-05   9.999970789578D-01
matr      2024.12.03-23:39:32.3470000  -6.746642949040D-05   2.767216954170D-05   1.622141199766D-07  -2.767208296464D-05  -6.746662445385D-05   6.926718065070D-08   2.525198131891D-11  -1.305440350251D-10  -5.654705886058D-14
matrr     2024.12.03-23:39:32.3470000  -2.017880149056D-09  -4.919743973174D-09   5.051422236561D-12   4.919729756621D-09  -2.017886463279D-09  -1.182867251116D-11   9.541225257618D-15   1.426331486410D-15  -2.312587402730D-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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This page was prepared by Leonid Petrov ()
Last update: 2017.07.05_12:12:16