Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2022.07.06-06:46:05.3360000   2.194939320D-06  rad 
e2        2022.07.06-06:46:05.3360000   1.187948637D-06  rad 
e3        2022.07.06-06:46:05.3360000   2.702704919D-03  rad 
e1r       2022.07.06-06:46:05.3360000  -1.142635470D-13  rad 
e2r       2022.07.06-06:46:05.3360000   1.324633927D-13  rad 
e3r       2022.07.06-06:46:05.3360000  -4.186171921D-13  rad 
e1rr      2022.07.06-06:46:05.3360000  -1.059604554D-19  rad 
e2rr      2022.07.06-06:46:05.3360000  -4.551742596D-20  rad 
e3rr      2022.07.06-06:46:05.3360000   1.015528151D-18  rad 
utcmtai   2022.07.06-06:46:05.3360000  -37.0000000       s
ut1mtai   2022.07.06-06:46:05.3360000  -37.0633879       s
ut1rat    2022.07.06-06:46:05.3360000   4.959949846D-04  s/day
lod       2022.07.06-06:46:05.3360000  -4.932902407D-04  s
xpol      2022.07.06-06:46:05.3360000   0.245032         arcsec
ypol      2022.07.06-06:46:05.3360000   0.452739         arcsec
xpolr     2022.07.06-06:46:05.3360000   2.360667112D-03  arcsec/d
ypolr     2022.07.06-06:46:05.3360000  -2.036322581D-03  arcsec/d
deps      2022.07.06-06:46:05.3360000    5.5792736       arcsec
dpsi      2022.07.06-06:46:05.3360000  -12.5553690       arcsec
mat       2022.07.06-06:46:05.3360000   9.039507876708D-01   4.276319890896D-01  -1.963511279736D-03  -4.276310356751D-01   9.039529198873D-01   9.033020753065D-04   2.161202617761D-03   2.311773963514D-05   9.999976643317D-01
matr      2022.07.06-06:46:05.3360000  -3.118334732331D-05   6.591728809379D-05   6.602855865196D-08  -6.591713241920D-05  -3.118341718845D-05   1.432681388493D-07  -1.064374566363D-10  -1.461924962999D-10   2.334130951866D-13
matrr     2022.07.06-06:46:05.3360000  -4.806753248950D-09  -2.273930635920D-09   1.044724244477D-11   2.273925541691D-09  -4.806764600835D-09  -4.814670155511D-12   1.079197914980D-14  -7.934765119661D-15  -2.317299381421D-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