Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2022.08.08-13:10:04.4800000   1.878899046D-06  rad 
e2        2022.08.08-13:10:04.4800000   1.422984105D-06  rad 
e3        2022.08.08-13:10:04.4800000   2.700441417D-03  rad 
e1r       2022.08.08-13:10:04.4800000  -1.571552190D-13  rad 
e2r       2022.08.08-13:10:04.4800000   1.222613386D-13  rad 
e3r       2022.08.08-13:10:04.4800000  -9.541209806D-13  rad 
e1rr      2022.08.08-13:10:04.4800000  -2.348957071D-19  rad 
e2rr      2022.08.08-13:10:04.4800000   8.292039824D-19  rad 
e3rr      2022.08.08-13:10:04.4800000  -1.017644357D-18  rad 
utcmtai   2022.08.08-13:10:04.4800000  -37.0000000       s
ut1mtai   2022.08.08-13:10:04.4800000  -37.0323474       s
ut1rat    2022.08.08-13:10:04.4800000   1.130482049D-03  s/day
lod       2022.08.08-13:10:04.4800000  -1.124317341D-03  s
xpol      2022.08.08-13:10:04.4800000   0.293512         arcsec
ypol      2022.08.08-13:10:04.4800000   0.387551         arcsec
xpolr     2022.08.08-13:10:04.4800000   2.178853457D-03  arcsec/d
ypolr     2022.08.08-13:10:04.4800000  -2.800707044D-03  arcsec/d
deps      2022.08.08-13:10:04.4800000    6.0807131       arcsec
dpsi      2022.08.08-13:10:04.4800000  -11.4772114       arcsec
mat       2022.08.08-13:10:04.4800000  -8.995706364943D-01   4.367709707812D-01   1.946545692489D-03  -4.367698959441D-01  -8.995727422574D-01   9.692185054011D-04   2.174385954025D-03   2.168794824674D-05   9.999976357849D-01
matr      2022.08.08-13:10:04.4800000  -3.184976387237D-05  -6.559788110543D-05   7.081916767148D-08   6.559772778715D-05  -3.184984255856D-05  -1.418370627667D-07   1.751748256013D-10   3.421767268724D-11  -3.816406936987D-13
matrr     2022.08.08-13:10:04.4800000   4.783461925236D-09  -2.322527196839D-09  -1.034265094778D-11   2.322521457859D-09   4.783473104760D-09  -5.164731271651D-12  -2.466137374541D-15   1.219130086335D-14   5.066137820317D-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.
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This page was prepared by Leonid Petrov ()
Last update: 2017.07.05_12:12:16