Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2017.05.25-06:44:35.2830000   2.208092159D-06  rad 
e2        2017.05.25-06:44:35.2830000   4.008677091D-07  rad 
e3        2017.05.25-06:44:35.2830000   2.669724620D-03  rad 
e1r       2017.05.25-06:44:35.2830000  -6.902206549D-15  rad 
e2r       2017.05.25-06:44:35.2830000   5.848460156D-14  rad 
e3r       2017.05.25-06:44:35.2830000   1.279551167D-12  rad 
e1rr      2017.05.25-06:44:35.2830000  -9.999991064D-20  rad 
e2rr      2017.05.25-06:44:35.2830000  -3.223598815D-19  rad 
e3rr      2017.05.25-06:44:35.2830000  -1.423547409D-18  rad 
utcmtai   2017.05.25-06:44:35.2830000  -37.0000000       s
ut1mtai   2017.05.25-06:44:35.2830000  -36.6111144       s
ut1rat    2017.05.25-06:44:35.2830000  -1.516065211D-03  s/day
lod       2017.05.25-06:44:35.2830000   1.507797853D-03  s
xpol      2017.05.25-06:44:35.2830000   0.082685         arcsec
ypol      2017.05.25-06:44:35.2830000   0.455452         arcsec
xpolr     2017.05.25-06:44:35.2830000   1.042270417D-03  arcsec/d
ypolr     2017.05.25-06:44:35.2830000  -1.230061504D-04  arcsec/d
deps      2017.05.25-06:44:35.2830000   -8.3221278       arcsec
dpsi      2017.05.25-06:44:35.2830000  -10.3690211       arcsec
mat       2017.05.25-06:44:35.2830000   9.603860612424D-01  -2.786682671857D-01  -1.615622212175D-03   2.786679447793D-01   9.603874193087D-01  -4.258944350421D-04   1.670306511146D-03  -4.119904243151D-05   9.999986041884D-01
matr      2017.05.25-06:44:35.2830000   2.032078739196D-05   7.003255550215D-05  -3.090057528429D-08  -7.003245642469D-05   2.032081064012D-05   1.178442458390D-07  -1.586506538902D-10   1.353153043076D-11   2.655530780994D-13
matrr     2017.05.25-06:44:35.2830000  -5.106847309025D-09   1.481816832356D-09   8.593467804010D-12  -1.481815136510D-09  -5.106854534073D-09   2.253647897290D-12  -1.196342019623D-15  -1.186180331823D-14   1.484243360608D-18

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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