Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2019.08.22-18:53:13.7060000   1.786675263D-06  rad 
e2        2019.08.22-18:53:13.7060000   1.106422497D-06  rad 
e3        2019.08.22-18:53:13.7060000   2.709712080D-03  rad 
e1r       2019.08.22-18:53:13.7060000  -1.492490673D-13  rad 
e2r       2019.08.22-18:53:13.7060000   3.232807180D-14  rad 
e3r       2019.08.22-18:53:13.7060000  -2.740326656D-13  rad 
e1rr      2019.08.22-18:53:13.7060000  -2.044487588D-19  rad 
e2rr      2019.08.22-18:53:13.7060000   4.109950730D-20  rad 
e3rr      2019.08.22-18:53:13.7060000  -8.671187511D-19  rad 
utcmtai   2019.08.22-18:53:13.7060000  -37.0000000       s
ut1mtai   2019.08.22-18:53:13.7060000  -37.1594801       s
ut1rat    2019.08.22-18:53:13.7060000   3.246852502D-04  s/day
lod       2019.08.22-18:53:13.7060000  -3.229146870D-04  s
xpol      2019.08.22-18:53:13.7060000   0.228216         arcsec
ypol      2019.08.22-18:53:13.7060000   0.368528         arcsec
xpolr     2019.08.22-18:53:13.7060000   5.761275956D-04  arcsec/d
ypolr     2019.08.22-18:53:13.7060000  -2.659809308D-03  arcsec/d
deps      2019.08.22-18:53:13.7060000   -2.0772622       arcsec
dpsi      2019.08.22-18:53:13.7060000  -16.1079642       arcsec
mat       2019.08.22-18:53:13.7060000  -2.807960603141D-01  -9.597673195079D-01   5.147004957648D-04   9.597656177003D-01  -2.807965317119D-01  -1.807445391632D-03   1.879253132764D-03  -1.353170595478D-05   9.999982341107D-01
matr      2019.08.22-18:53:13.7060000   6.998721452052D-05  -2.047600650850D-05  -1.316710815389D-07   2.047597227891D-05   6.998733837308D-05  -3.745431507062D-08  -3.860959862445D-11   1.466604213959D-10   7.454190770939D-14
matrr     2019.08.22-18:53:13.7060000   1.493131474410D-09   5.103557326056D-09  -2.731340640916D-12  -5.103548294626D-09   1.493133970731D-09   9.601575490675D-12  -1.069015294921D-14  -2.948011628277D-15   2.002667345334D-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