Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2019.04.20-09:09:14.5720000   1.957832975D-06  rad 
e2        2019.04.20-09:09:14.5720000   2.899508102D-07  rad 
e3        2019.04.20-09:09:14.5720000   2.708383224D-03  rad 
e1r       2019.04.20-09:09:14.5720000   9.148524168D-14  rad 
e2r       2019.04.20-09:09:14.5720000   5.505134069D-14  rad 
e3r       2019.04.20-09:09:14.5720000   9.751020846D-13  rad 
e1rr      2019.04.20-09:09:14.5720000   1.899802634D-19  rad 
e2rr      2019.04.20-09:09:14.5720000   1.069424678D-19  rad 
e3rr      2019.04.20-09:09:14.5720000  -2.017506169D-18  rad 
utcmtai   2019.04.20-09:09:14.5720000  -37.0000000       s
ut1mtai   2019.04.20-09:09:14.5720000  -37.1412570       s
ut1rat    2019.04.20-09:09:14.5720000  -1.155341330D-03  s/day
lod       2019.04.20-09:09:14.5720000   1.149041060D-03  s
xpol      2019.04.20-09:09:14.5720000   0.059807         arcsec
ypol      2019.04.20-09:09:14.5720000   0.403832         arcsec
xpolr     2019.04.20-09:09:14.5720000   9.810853161D-04  arcsec/d
ypolr     2019.04.20-09:09:14.5720000   1.630384040D-03  arcsec/d
deps      2019.04.20-09:09:14.5720000   -3.0645950       arcsec
dpsi      2019.04.20-09:09:14.5720000  -17.4048060       arcsec
mat       2019.04.20-09:09:14.5720000   9.662859671815D-01  -2.574650399924D-01  -1.784043135529D-03   2.574646329739D-01   9.662876139660D-01  -4.581086916425D-04   1.841845757257D-03  -1.666401092056D-05   9.999983036618D-01
matr      2019.04.20-09:09:14.5720000   1.877461752196D-05   7.046280457562D-05  -3.326565591241D-08  -7.046268444918D-05   1.877464694368D-05   1.301180196055D-07  -1.414930546018D-10   1.333765918466D-11   2.608310839077D-13
matrr     2019.04.20-09:09:14.5720000  -5.138220041954D-09   1.369068777595D-09   9.488534329482D-12  -1.369066631930D-09  -5.138228802024D-09   2.425880801980D-12  -1.163270749634D-15  -1.037921818705D-14   1.949425199150D-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