Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2019.10.22-15:08:34.3970000   1.395696657D-06  rad 
e2        2019.10.22-15:08:34.3970000   8.163239987D-07  rad 
e3        2019.10.22-15:08:34.3970000   2.710820504D-03  rad 
e1r       2019.10.22-15:08:34.3970000  -2.234764456D-13  rad 
e2r       2019.10.22-15:08:34.3970000  -1.011627505D-13  rad 
e3r       2019.10.22-15:08:34.3970000   1.387570380D-13  rad 
e1rr      2019.10.22-15:08:34.3970000  -8.643625044D-20  rad 
e2rr      2019.10.22-15:08:34.3970000  -4.529980430D-21  rad 
e3rr      2019.10.22-15:08:34.3970000   1.164918127D-18  rad 
utcmtai   2019.10.22-15:08:34.3970000  -37.0000000       s
ut1mtai   2019.10.22-15:08:34.3970000  -37.1746804       s
ut1rat    2019.10.22-15:08:34.3970000  -1.644050847D-04  s/day
lod       2019.10.22-15:08:34.3970000   1.635085561D-04  s
xpol      2019.10.22-15:08:34.3970000   0.168379         arcsec
ypol      2019.10.22-15:08:34.3970000   0.287883         arcsec
xpolr     2019.10.22-15:08:34.3970000  -1.802849627D-03  arcsec/d
ypolr     2019.10.22-15:08:34.3970000  -3.982636144D-03  arcsec/d
deps      2019.10.22-15:08:34.3970000   -1.5435458       arcsec
dpsi      2019.10.22-15:08:34.3970000  -18.1266335       arcsec
mat       2019.10.22-15:08:34.3970000  -2.164906573450D-01  -9.762846083548D-01   3.984618268979D-04   9.762828582046D-01  -2.164910237495D-01  -1.848624305859D-03   1.891046865270D-03  -1.119843990994D-05   9.999982119066D-01
matr      2019.10.22-15:08:34.3970000   7.119167013254D-05  -1.578677468132D-05  -1.346991066015D-07   1.578674806906D-05   7.119179755687D-05  -2.899942122830D-08  -3.285721756667D-11   1.145357032272D-10   6.341727289406D-14
matrr     2019.10.22-15:08:34.3970000   1.151187816877D-09   5.191387840873D-09  -2.114884887112D-12  -5.191378549294D-09   1.151189757890D-09   9.822222227133D-12  -8.200689178980D-15  -2.646226063015D-15   1.546411425594D-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