Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds 
Parameter TAI time                      Value            Dimension
e1        2024.10.14-23:40:38.5390000   1.882263425D-06  rad 
e2        2024.10.14-23:40:38.5390000   1.094809588D-06  rad 
e3        2024.10.14-23:40:38.5390000   2.693776616D-03  rad 
e1r       2024.10.14-23:40:38.5390000  -9.646360343D-14  rad 
e2r       2024.10.14-23:40:38.5390000  -8.370466334D-15  rad 
e3r       2024.10.14-23:40:38.5390000   8.806175578D-13  rad 
e1rr      2024.10.14-23:40:38.5390000  -1.781882259D-19  rad 
e2rr      2024.10.14-23:40:38.5390000   2.396323306D-20  rad 
e3rr      2024.10.14-23:40:38.5390000   2.549025132D-18  rad 
utcmtai   2024.10.14-23:40:38.5390000  -37.0000000       s
ut1mtai   2024.10.14-23:40:38.5390000  -36.9409501       s
ut1rat    2024.10.14-23:40:38.5390000  -1.043392150D-03  s/day
lod       2024.10.14-23:40:38.5390000   1.037702357D-03  s
xpol      2024.10.14-23:40:38.5390000   0.225821         arcsec
ypol      2024.10.14-23:40:38.5390000   0.388245         arcsec
xpolr     2024.10.14-23:40:38.5390000  -1.491724181D-04  arcsec/d
ypolr     2024.10.14-23:40:38.5390000  -1.719104815D-03  arcsec/d
deps      2024.10.14-23:40:38.5390000    9.5847735       arcsec
dpsi      2024.10.14-23:40:38.5390000   -2.8224722       arcsec
mat       2024.10.14-23:40:38.5390000   9.472385308589D-01   3.205213401392D-01  -2.288268271387D-03  -3.205205097518D-01   9.472412938715D-01   7.307620119759D-04   2.401767017515D-03   4.123097816206D-05   9.999971149034D-01
matr      2024.10.14-23:40:38.5390000  -2.337272398155D-05   6.907392489634D-05   5.342467919612D-08  -6.907372321896D-05  -2.337278485936D-05   1.669421340164D-07  -1.041474010699D-10  -1.186191427853D-10   2.550293119957D-13
matrr     2024.10.14-23:40:38.5390000  -5.036935374918D-09  -1.704370323406D-09   1.217356376439D-11   1.704365884257D-09  -5.036950081340D-09  -3.895723530400D-12   8.727454456015D-15  -7.641004067572D-15  -2.067125944907D-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