Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2019.02.21-04:45:27.6150000   1.623799303D-06  rad 
e2        2019.02.21-04:45:27.6150000   1.769187923D-07  rad 
e3        2019.02.21-04:45:27.6150000   2.704011763D-03  rad 
e1r       2019.02.21-04:45:27.6150000   1.223401299D-13  rad 
e2r       2019.02.21-04:45:27.6150000  -8.976151139D-14  rad 
e3r       2019.02.21-04:45:27.6150000   1.343007943D-12  rad 
e1rr      2019.02.21-04:45:27.6150000   1.425714348D-19  rad 
e2rr      2019.02.21-04:45:27.6150000  -6.657805403D-19  rad 
e3rr      2019.02.21-04:45:27.6150000   6.906454768D-19  rad 
utcmtai   2019.02.21-04:45:27.6150000  -37.0000000       s
ut1mtai   2019.02.21-04:45:27.6150000  -37.0813092       s
ut1rat    2019.02.21-04:45:27.6150000  -1.591251426D-03  s/day
lod       2019.02.21-04:45:27.6150000   1.582574065D-03  s
xpol      2019.02.21-04:45:27.6150000   0.036492         arcsec
ypol      2019.02.21-04:45:27.6150000   0.334933         arcsec
xpolr     2019.02.21-04:45:27.6150000  -1.599664961D-03  arcsec/d
ypolr     2019.02.21-04:45:27.6150000   2.180257620D-03  arcsec/d
deps      2019.02.21-04:45:27.6150000   -3.3667847       arcsec
dpsi      2019.02.21-04:45:27.6150000  -14.5920742       arcsec
mat       2019.02.21-04:45:27.6150000  -7.456046215254D-01  -6.663872143870D-01   1.352354064464D-03   6.663860659944D-01  -7.456058476465D-01  -1.237337376448D-03   1.832868906101D-03  -2.137456141545D-05   9.999983200659D-01
matr      2019.02.21-04:45:27.6150000   4.859363875408D-05  -5.437043614788D-05  -9.010792266900D-08   5.437034676210D-05   4.859372227566D-05  -9.860050969554D-08   7.977992444658D-11   9.102510200436D-11  -1.442807636460D-13
matrr     2019.02.21-04:45:27.6150000   3.964748271985D-09   3.543510086343D-09  -7.189938293626D-12  -3.543503996031D-09   3.964754789865D-09   6.570670888482D-12  -6.466174160094D-15   5.824130679200D-15   1.196152644927D-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