Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2018.11.16-21:13:40.5830000   1.355832112D-06  rad 
e2        2018.11.16-21:13:40.5830000   8.151464983D-07  rad 
e3        2018.11.16-21:13:40.5830000   2.697772805D-03  rad 
e1r       2018.11.16-21:13:40.5830000  -6.478319203D-14  rad 
e2r       2018.11.16-21:13:40.5830000  -9.181464433D-14  rad 
e3r       2018.11.16-21:13:40.5830000   8.539224756D-13  rad 
e1rr      2018.11.16-21:13:40.5830000  -6.703217356D-20  rad 
e2rr      2018.11.16-21:13:40.5830000   2.073023879D-20  rad 
e3rr      2018.11.16-21:13:40.5830000   1.184366869D-18  rad 
utcmtai   2018.11.16-21:13:40.5830000  -37.0000000       s
ut1mtai   2018.11.16-21:13:40.5830000  -36.9957516       s
ut1rat    2018.11.16-21:13:40.5830000  -1.011762711D-03  s/day
lod       2018.11.16-21:13:40.5830000   1.006245399D-03  s
xpol      2018.11.16-21:13:40.5830000   0.168136         arcsec
ypol      2018.11.16-21:13:40.5830000   0.279660         arcsec
xpolr     2018.11.16-21:13:40.5830000  -1.636254417D-03  arcsec/d
ypolr     2018.11.16-21:13:40.5830000  -1.154519356D-03  arcsec/d
deps      2018.11.16-21:13:40.5830000   -4.6990895       arcsec
dpsi      2018.11.16-21:13:40.5830000  -16.4696548       arcsec
mat       2018.11.16-21:13:40.5830000   9.706510563166D-01   2.404859487080D-01  -1.742224293772D-03  -2.404855142091D-01   9.706526195437D-01   4.578520356332D-04   1.801201555740D-03  -2.543485686872D-05   9.999983775117D-01
matr      2018.11.16-21:13:40.5830000  -1.753648022595D-05   7.078110585356D-05   3.348386104955D-08  -7.078099175755D-05  -1.753651208590D-05   1.271039346753D-07  -7.975110994665D-11  -8.047545018808D-11   1.416011716099D-13
matrr     2018.11.16-21:13:40.5830000  -5.161431363391D-09  -1.278782625532D-09   9.268532707126D-12   1.278780302553D-09  -5.161439683347D-09  -2.441516407990D-12   5.950089724714D-15  -5.968182630781D-15  -1.088197195287D-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