Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2018.12.14-22:51:19.0040000   1.306497749D-06  rad 
e2        2018.12.14-22:51:19.0040000   5.901223552D-07  rad 
e3        2018.12.14-22:51:19.0040000   2.699702134D-03  rad 
e1r       2018.12.14-22:51:19.0040000  -2.775251081D-14  rad 
e2r       2018.12.14-22:51:19.0040000  -7.338855781D-14  rad 
e3r       2018.12.14-22:51:19.0040000   6.691203309D-13  rad 
e1rr      2018.12.14-22:51:19.0040000   1.033107568D-21  rad 
e2rr      2018.12.14-22:51:19.0040000   1.487700636D-19  rad 
e3rr      2018.12.14-22:51:19.0040000   1.065381675D-18  rad 
utcmtai   2018.12.14-22:51:19.0040000  -37.0000000       s
ut1mtai   2018.12.14-22:51:19.0040000  -37.0222093       s
ut1rat    2018.12.14-22:51:19.0040000  -7.928014771D-04  s/day
lod       2018.12.14-22:51:19.0040000   7.884781975D-04  s
xpol      2018.12.14-22:51:19.0040000   0.121721         arcsec
ypol      2018.12.14-22:51:19.0040000   0.269485         arcsec
xpolr     2018.12.14-22:51:19.0040000  -1.307877983D-03  arcsec/d
ypolr     2018.12.14-22:51:19.0040000  -4.945852452D-04  arcsec/d
deps      2018.12.14-22:51:19.0040000   -4.8378448       arcsec
dpsi      2018.12.14-22:51:19.0040000  -15.7246224       arcsec
mat       2018.12.14-22:51:19.0040000   4.069086193060D-01   9.134685924115D-01  -7.114859508405D-04  -9.134670767246D-01   4.069092404125D-01   1.664273764965D-03   1.809772021291D-03  -2.728834820411D-05   9.999983619889D-01
matr      2018.12.14-22:51:19.0040000  -6.661107047113D-05   2.967229016275D-05   1.214538327256D-07  -2.967224479264D-05  -6.661118116643D-05   5.192704983884D-08   2.936800295544D-12  -1.031993502089D-10  -8.131091946777D-15
matrr     2018.12.14-22:51:19.0040000  -2.163734231735D-09  -4.857364005441D-09   3.786701764796D-12   4.857355933582D-09  -2.163737540403D-09  -8.856452237639D-12   7.578738819248D-15   6.196834621558D-17  -1.372478773287D-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