Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2018.06.22-08:51:23.3300000   2.121262518D-06  rad 
e2        2018.06.22-08:51:23.3300000   7.040827029D-07  rad 
e3        2018.06.22-08:51:23.3300000   2.693203214D-03  rad 
e1r       2018.06.22-08:51:23.3300000  -8.092253946D-15  rad 
e2r       2018.06.22-08:51:23.3300000   1.049123847D-13  rad 
e3r       2018.06.22-08:51:23.3300000   2.149506215D-13  rad 
e1rr      2018.06.22-08:51:23.3300000   1.251218837D-19  rad 
e2rr      2018.06.22-08:51:23.3300000  -3.457858790D-20  rad 
e3rr      2018.06.22-08:51:23.3300000  -1.168730000D-18  rad 
utcmtai   2018.06.22-08:51:23.3300000  -37.0000000       s
ut1mtai   2018.06.22-08:51:23.3300000  -36.9330868       s
ut1rat    2018.06.22-08:51:23.3300000  -2.546823977D-04  s/day
lod       2018.06.22-08:51:23.3300000   2.532935718D-04  s
xpol      2018.06.22-08:51:23.3300000   0.145227         arcsec
ypol      2018.06.22-08:51:23.3300000   0.437542         arcsec
xpolr     2018.06.22-08:51:23.3300000   1.869672906D-03  arcsec/d
ypolr     2018.06.22-08:51:23.3300000  -1.442143174D-04  arcsec/d
deps      2018.06.22-08:51:23.3300000   -6.1297193       arcsec
dpsi      2018.06.22-08:51:23.3300000  -13.8939781       arcsec
mat       2018.06.22-08:51:23.3300000   7.319411703786D-01   6.813666475801D-01  -1.270696758168D-03  -6.813655437683D-01   7.319422726752D-01   1.226880736918D-03   1.766032287749D-03  -3.219553490115D-05   9.999984400455D-01
matr      2018.06.22-08:51:23.3300000  -4.968595956255D-05   5.337407312453D-05   8.961929929244D-08  -5.337399265403D-05  -4.968604032702D-05   9.271430055131D-08  -7.598965268898D-11  -1.440101323608D-10   1.295638985848D-13
matrr     2018.06.22-08:51:23.3300000  -3.892093002692D-09  -3.623163242783D-09   6.761006686892D-12   3.623157353439D-09  -3.892098870997D-09  -6.535071481628D-12   1.043348688268D-14  -5.711212284983D-15  -1.863630806948D-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