Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds 
Parameter TAI time                      Value            Dimension
e1        2024.04.20-11:27:33.3280000   1.855961816D-06  rad 
e2        2024.04.20-11:27:33.3280000  -9.726172235D-09  rad 
e3        2024.04.20-11:27:33.3280000   2.699342910D-03  rad 
e1r       2024.04.20-11:27:33.3280000   1.649480159D-13  rad 
e2r       2024.04.20-11:27:33.3280000  -3.643828899D-15  rad 
e3r       2024.04.20-11:27:33.3280000   3.613212294D-13  rad 
e1rr      2024.04.20-11:27:33.3280000   5.613469924D-19  rad 
e2rr      2024.04.20-11:27:33.3280000  -5.630053668D-19  rad 
e3rr      2024.04.20-11:27:33.3280000   7.079902820D-19  rad 
utcmtai   2024.04.20-11:27:33.3280000  -37.0000000       s
ut1mtai   2024.04.20-11:27:33.3280000  -37.0172831       s
ut1rat    2024.04.20-11:27:33.3280000  -4.281083553D-04  s/day
lod       2024.04.20-11:27:33.3280000   4.257738086D-04  s
xpol      2024.04.20-11:27:33.3280000  -0.002006         arcsec
ypol      2024.04.20-11:27:33.3280000   0.382820         arcsec
xpolr     2024.04.20-11:27:33.3280000  -6.493769238D-05  arcsec/d
ypolr     2024.04.20-11:27:33.3280000   2.939584655D-03  arcsec/d
deps      2024.04.20-11:27:33.3280000    9.1699832       arcsec
dpsi      2024.04.20-11:27:33.3280000   -5.4420472       arcsec
mat       2024.04.20-11:27:33.3280000   9.368693692825D-01   3.496725241129D-01  -2.216028136177D-03  -3.496716462249D-01   9.368719892773D-01   7.845597910957D-04   2.350473690704D-03   3.985216980925D-05   9.999972368388D-01
matr      2024.04.20-11:27:33.3280000  -2.549845857358D-05   6.831778373865D-05   5.734592469913D-08  -6.831759268208D-05  -2.549852290735D-05   1.615945378380D-07  -1.266786766762D-10  -4.644372649179D-11   2.996066079365D-13
matrr     2024.04.20-11:27:33.3280000  -4.981797497171D-09  -1.859381610641D-09   1.178369275156D-11   1.859376919475D-09  -4.981811429294D-09  -4.181674786023D-12   3.385831395984D-15  -9.301639990206D-15  -7.605849362193D-18

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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