Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2020.01.26-08:23:27.2030000   1.486290986D-06  rad 
e2        2020.01.26-08:23:27.2030000   2.494891906D-07  rad 
e3        2020.01.26-08:23:27.2030000   2.711752654D-03  rad 
e1r       2020.01.26-08:23:27.2030000   7.950914430D-14  rad 
e2r       2020.01.26-08:23:27.2030000  -5.734175114D-14  rad 
e3r       2020.01.26-08:23:27.2030000   4.465986301D-13  rad 
e1rr      2020.01.26-08:23:27.2030000   9.464263258D-20  rad 
e2rr      2020.01.26-08:23:27.2030000  -7.348773058D-19  rad 
e3rr      2020.01.26-08:23:27.2030000   1.142841114D-18  rad 
utcmtai   2020.01.26-08:23:27.2030000  -37.0000000       s
ut1mtai   2020.01.26-08:23:27.2030000  -37.1874634       s
ut1rat    2020.01.26-08:23:27.2030000  -5.291485510D-04  s/day
lod       2020.01.26-08:23:27.2030000   5.262630152D-04  s
xpol      2020.01.26-08:23:27.2030000   0.051461         arcsec
ypol      2020.01.26-08:23:27.2030000   0.306570         arcsec
xpolr     2020.01.26-08:23:27.2030000  -1.021903360D-03  arcsec/d
ypolr     2020.01.26-08:23:27.2030000   1.416954664D-03  arcsec/d
deps      2020.01.26-08:23:27.2030000   -1.1624174       arcsec
dpsi      2020.01.26-08:23:27.2030000  -15.6725740       arcsec
mat       2020.01.26-08:23:27.2030000  -3.328444802683D-01  -9.429815244028D-01   6.297537913428D-04   9.429797775750D-01  -3.328450758669D-01  -1.815091104249D-03   1.921207824872D-03  -1.029796514573D-05   9.999981544255D-01
matr      2020.01.26-08:23:27.2030000   6.876317101378D-05  -2.427144605438D-05  -1.322455512862D-07   2.427140265302D-05   6.876329817725D-05  -4.590595223015D-08   2.212235045185D-11   1.120045006397D-10  -4.134829062727D-14
matrr     2020.01.26-08:23:27.2030000   1.769898589614D-09   5.014298863333D-09  -3.347628474345D-12  -5.014289591057D-09   1.769901754712D-09   9.643162282647D-12  -7.878397463243D-15   1.394280344097D-15   1.513742911765D-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