Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds

Parameter TAI time                      Value            Dimension
e1        2024.07.27-13:46:27.0230000   2.325469903D-06  rad 
e2        2024.07.27-13:46:27.0230000   7.485103516D-07  rad 
e3        2024.07.27-13:46:27.0230000   2.696519403D-03  rad 
e1r       2024.07.27-13:46:27.0230000   1.261089074D-14  rad 
e2r       2024.07.27-13:46:27.0230000   1.311123487D-13  rad 
e3r       2024.07.27-13:46:27.0230000  -2.597530028D-13  rad 
e1rr      2024.07.27-13:46:27.0230000   1.468953463D-19  rad 
e2rr      2024.07.27-13:46:27.0230000   1.069123628D-19  rad 
e3rr      2024.07.27-13:46:27.0230000  -2.308688145D-18  rad 
utcmtai   2024.07.27-13:46:27.0230000  -37.0000000       s
ut1mtai   2024.07.27-13:46:27.0230000  -36.9785631       s
ut1rat    2024.07.27-13:46:27.0230000   3.077661143D-04  s/day
lod       2024.07.27-13:46:27.0230000  -3.060878141D-04  s
xpol      2024.07.27-13:46:27.0230000   0.154391         arcsec
ypol      2024.07.27-13:46:27.0230000   0.479663         arcsec
xpolr     2024.07.27-13:46:27.0230000   2.336589780D-03  arcsec/d
ypolr     2024.07.27-13:46:27.0230000   2.247422055D-04  arcsec/d
deps      2024.07.27-13:46:27.0230000    8.8361608       arcsec
dpsi      2024.07.27-13:46:27.0230000   -2.0281346       arcsec
mat       2024.07.27-13:46:27.0230000  -8.819290723459D-01   4.713775138705D-01   2.085849565095D-03  -4.713761040325D-01  -8.819315383082D-01   1.153379600162D-03   2.383253724097D-03   3.397935924118D-05   9.999971594695D-01
matr      2024.07.27-13:46:27.0230000  -3.437328789658D-05  -6.431146333370D-05   8.427813118555D-08   6.431128364760D-05  -3.437339111254D-05  -1.520484829167D-07   1.774990544275D-10  -3.356254629169D-11  -4.218860473388D-13
matrr     2024.07.27-13:46:27.0230000   4.689652869394D-09  -2.506547243256D-09  -1.108761274738D-11   2.506539716119D-09   4.689665972420D-09  -6.145873370948D-12   2.301630793195D-15   1.278311166644D-14  -5.952377356119D-18

Back

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.

Back to the Network Earth Rotation Service

This page was prepared by Leonid Petrov ()
Last update: 2017.07.05_12:12:16