Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2019.11.18-05:57:08.2340000   1.322690152D-06  rad 
e2        2019.11.18-05:57:08.2340000   7.008781987D-07  rad 
e3        2019.11.18-05:57:08.2340000   2.710084597D-03  rad 
e1r       2019.11.18-05:57:08.2340000  -9.760733703D-14  rad 
e2r       2019.11.18-05:57:08.2340000  -1.311019191D-13  rad 
e3r       2019.11.18-05:57:08.2340000   9.107192864D-14  rad 
e1rr      2019.11.18-05:57:08.2340000  -2.994704657D-19  rad 
e2rr      2019.11.18-05:57:08.2340000   3.944685736D-20  rad 
e3rr      2019.11.18-05:57:08.2340000   9.133735115D-19  rad 
utcmtai   2019.11.18-05:57:08.2340000  -37.0000000       s
ut1mtai   2019.11.18-05:57:08.2340000  -37.1645886       s
ut1rat    2019.11.18-05:57:08.2340000  -1.079057924D-04  s/day
lod       2019.11.18-05:57:08.2340000   1.073173640D-04  s
xpol      2019.11.18-05:57:08.2340000   0.144567         arcsec
ypol      2019.11.18-05:57:08.2340000   0.272824         arcsec
xpolr     2019.11.18-05:57:08.2340000  -2.336403912D-03  arcsec/d
ypolr     2019.11.18-05:57:08.2340000  -1.739487611D-03  arcsec/d
deps      2019.11.18-05:57:08.2340000   -1.8682410       arcsec
dpsi      2019.11.18-05:57:08.2340000  -18.2551810       arcsec
mat       2019.11.18-05:57:08.2340000  -8.277858523140D-01   5.610419708805D-01   1.577852770691D-03  -5.610409855815D-01  -8.277873559632D-01   1.051572701709D-03   1.896102994241D-03  -1.476306841677D-05   9.999982022861D-01
matr      2019.11.18-05:57:08.2340000  -4.091175443062D-05  -6.036320706486D-05   7.678113462735D-08   6.036309752044D-05  -4.091182646875D-05  -1.150035257904D-07   1.131856641209D-10  -9.890252489355D-12  -2.147580731421D-13
matrr     2019.11.18-05:57:08.2340000   4.401746567610D-09  -2.983337493666D-09  -8.385890646124D-12   2.983332240079D-09   4.401754555141D-09  -5.599224096554D-12   8.358248697674D-16   7.874548959436D-15  -1.481443844171D-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