Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2019.02.18-15:29:37.8500000   1.600133369D-06  rad 
e2        2019.02.18-15:29:37.8500000   1.760346968D-07  rad 
e3        2019.02.18-15:29:37.8500000   2.703752865D-03  rad 
e1r       2019.02.18-15:29:37.8500000   1.163117042D-13  rad 
e2r       2019.02.18-15:29:37.8500000  -1.600937909D-14  rad 
e3r       2019.02.18-15:29:37.8500000   1.070375472D-12  rad 
e1rr      2019.02.18-15:29:37.8500000   2.205127966D-19  rad 
e2rr      2019.02.18-15:29:37.8500000  -7.998958874D-19  rad 
e3rr      2019.02.18-15:29:37.8500000   2.075627459D-18  rad 
utcmtai   2019.02.18-15:29:37.8500000  -37.0000000       s
ut1mtai   2019.02.18-15:29:37.8500000  -37.0777588       s
ut1rat    2019.02.18-15:29:37.8500000  -1.268225185D-03  s/day
lod       2019.02.18-15:29:37.8500000   1.261309340D-03  s
xpol      2019.02.18-15:29:37.8500000   0.036310         arcsec
ypol      2019.02.18-15:29:37.8500000   0.330051         arcsec
xpolr     2019.02.18-15:29:37.8500000  -2.853076155D-04  arcsec/d
ypolr     2019.02.18-15:29:37.8500000   2.072823362D-03  arcsec/d
deps      2019.02.18-15:29:37.8500000   -3.5259401       arcsec
dpsi      2019.02.18-15:29:37.8500000  -14.3613714       arcsec
mat       2019.02.18-15:29:37.8500000   9.377930923746D-01   3.471904265293D-01  -1.709859898483D-03  -3.471898110495D-01   9.377946509434D-01   6.540377261119D-04   1.830573103755D-03  -1.970612662467D-05   9.999983243055D-01
matr      2019.02.18-15:29:37.8500000  -2.531748030208D-05   6.838506499629D-05   4.780548189218D-08  -6.838495132798D-05  -2.531752538934D-05   1.246947246382D-07  -1.019195530242D-10  -4.815446346517D-11   1.856225647526D-13
matrr     2019.02.18-15:29:37.8500000  -4.986709356494D-09  -1.846183029165D-09   9.092680817014D-12   1.846179742112D-09  -4.986717644945D-09  -3.485613427144D-12   3.856268269644D-15  -7.753278288955D-15  -7.224661944506D-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