Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2017.03.29-19:01:53.2010000   1.815518695D-06  rad 
e2        2017.03.29-19:01:53.2010000   2.848151967D-08  rad 
e3        2017.03.29-19:01:53.2010000   2.663489157D-03  rad 
e1r       2017.03.29-19:01:53.2010000   6.773766765D-14  rad 
e2r       2017.03.29-19:01:53.2010000   3.988579796D-14  rad 
e3r       2017.03.29-19:01:53.2010000   1.718356327D-12  rad 
e1rr      2017.03.29-19:01:53.2010000  -9.390152489D-20  rad 
e2rr      2017.03.29-19:01:53.2010000  -1.081042022D-19  rad 
e3rr      2017.03.29-19:01:53.2010000  -3.370202066D-19  rad 
utcmtai   2017.03.29-19:01:53.2010000  -38.0000000       s
ut1mtai   2017.03.29-19:01:53.2010000  -36.5256048       s
ut1rat    2017.03.29-19:01:53.2010000  -2.035979735D-03  s/day
lod       2017.03.29-19:01:53.2010000   2.024877196D-03  s
xpol      2017.03.29-19:01:53.2010000   0.005875         arcsec
ypol      2017.03.29-19:01:53.2010000   0.374478         arcsec
xpolr     2017.03.29-19:01:53.2010000   7.108159440D-04  arcsec/d
ypolr     2017.03.29-19:01:53.2010000   1.207171892D-03  arcsec/d
deps      2017.03.29-19:01:53.2010000  -7.5806252        arcsec
dpsi      2017.03.29-19:01:53.2010000  -8.9784342        arcsec
mat       2017.03.29-19:01:53.2010000  -3.821832866473D-01   9.240862978696D-01   6.704454975300D-04  -9.240850568375D-01  -3.821838725623D-01   1.515019122650D-03   1.656241868839D-03  -4.053367806341D-05   9.999986276090D-01
matr      2017.03.29-19:01:53.2010000  -6.738534476620D-05  -2.786928748243D-05   1.106119603948D-07   2.786924475472D-05  -6.738543548740D-05  -4.888762572294D-08   5.348066057756D-11  -1.239976110276D-10  -9.360311678310D-14
matrr     2017.03.29-19:01:53.2010000   2.032257389409D-09  -4.913823439446D-09  -3.564947291787D-12   4.913816823635D-09   2.032260505172D-09  -8.066132929567D-12   8.882662858960D-15   3.835410557203D-15  -1.457464208045D-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