Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2020.06.04-04:24:06.6310000   2.137779020D-06  rad 
e2        2020.06.04-04:24:06.6310000   5.754000082D-07  rad 
e3        2020.06.04-04:24:06.6310000   2.716759767D-03  rad 
e1r       2020.06.04-04:24:06.6310000   3.748736071D-14  rad 
e2r       2020.06.04-04:24:06.6310000   1.163838552D-13  rad 
e3r       2020.06.04-04:24:06.6310000   1.389056035D-13  rad 
e1rr      2020.06.04-04:24:06.6310000   3.574174895D-19  rad 
e2rr      2020.06.04-04:24:06.6310000   2.994119762D-19  rad 
e3rr      2020.06.04-04:24:06.6310000  -2.506497252D-18  rad 
utcmtai   2020.06.04-04:24:06.6310000  -37.0000000       s
ut1mtai   2020.06.04-04:24:06.6310000  -37.2561282       s
ut1rat    2020.06.04-04:24:06.6310000  -1.645811113D-04  s/day
lod       2020.06.04-04:24:06.6310000   1.636836228D-04  s
xpol      2020.06.04-04:24:06.6310000   0.118685         arcsec
ypol      2020.06.04-04:24:06.6310000   0.440949         arcsec
xpolr     2020.06.04-04:24:06.6310000   2.074109184D-03  arcsec/d
ypolr     2020.06.04-04:24:06.6310000   6.680727240D-04  arcsec/d
deps      2020.06.04-04:24:06.6310000   -0.4385959       arcsec
dpsi      2020.06.04-04:24:06.6310000  -18.1076991       arcsec
mat       2020.06.04-04:24:06.6310000   7.511270273606D-01  -6.601560678293D-01  -1.467949789944D-03   6.601548185325D-01   7.511284617753D-01  -1.284320630660D-03   1.950470925053D-03  -4.386189709834D-06   9.999980978202D-01
matr      2020.06.04-04:24:06.6310000   4.813924999396D-05   5.477315254289D-05  -9.350319739246D-08  -5.477304786318D-05   4.813934079954D-05   1.070862233539D-07  -1.408619019281D-10   6.837309123408D-11   2.750474654023D-13
matrr     2020.06.04-04:24:06.6310000  -3.994113741714D-09   3.510376167951D-09   7.808799686006D-12  -3.510369545485D-09  -3.994121374958D-09   6.818778366569D-12  -5.212624276863D-15  -1.061921723026D-14   1.009603462952D-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