Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2017.06.23-08:39:51.8050000   2.203277207D-06  rad 
e2        2017.06.23-08:39:51.8050000   6.635763203D-07  rad 
e3        2017.06.23-08:39:51.8050000   2.671585870D-03  rad 
e1r       2017.06.23-08:39:51.8050000  -1.283770752D-14  rad 
e2r       2017.06.23-08:39:51.8050000   1.540407341D-13  rad 
e3r       2017.06.23-08:39:51.8050000   3.744187512D-13  rad 
e1rr      2017.06.23-08:39:51.8050000  -1.577324612D-20  rad 
e2rr      2017.06.23-08:39:51.8050000   1.879279944D-19  rad 
e3rr      2017.06.23-08:39:51.8050000  -1.120550141D-18  rad 
utcmtai   2017.06.23-08:39:51.8050000  -37.0000000       s
ut1mtai   2017.06.23-08:39:51.8050000  -36.6366386       s
ut1rat    2017.06.23-08:39:51.8050000  -4.436268415D-04  s/day
lod       2017.06.23-08:39:51.8050000   4.412076698D-04  s
xpol      2017.06.23-08:39:51.8050000   0.136872         arcsec
ypol      2017.06.23-08:39:51.8050000   0.454459         arcsec
xpolr     2017.06.23-08:39:51.8050000   2.745202939D-03  arcsec/d
ypolr     2017.06.23-08:39:51.8050000  -2.287843707D-04  arcsec/d
deps      2017.06.23-08:39:51.8050000   -8.4309106       arcsec
dpsi      2017.06.23-08:39:51.8050000   -9.5279392       arcsec
mat       2017.06.23-08:39:51.8050000   7.512671192389D-01   6.599971197234D-01  -1.231871499892D-03  -6.599961377699D-01   7.512681279791D-01   1.139303124619D-03   1.677402576375D-03  -4.289054421474D-05   9.999985922395D-01
matr      2017.06.23-08:39:51.8050000  -4.812767795736D-05   5.478333682015D-05   8.323550886440D-08  -5.478326317867D-05  -4.812774982686D-05   8.988295078973D-08  -8.207284189133D-11  -1.432654259875D-10   1.315246485557D-13
matrr     2017.06.23-08:39:51.8050000  -3.994858608882D-09  -3.509530942333D-09   6.554648479245D-12   3.509525702032D-09  -3.994863979383D-09  -6.069304223669D-12   1.046146914896D-14  -6.413973528783D-15  -1.785046020374D-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