Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2022.01.23-05:40:30.5970000   1.498157063D-06  rad 
e2        2022.01.23-05:40:30.5970000   1.718590577D-07  rad 
e3        2022.01.23-05:40:30.5970000   2.706000838D-03  rad 
e1r       2022.01.23-05:40:30.5970000   9.446417931D-14  rad 
e2r       2022.01.23-05:40:30.5970000  -9.748975815D-14  rad 
e3r       2022.01.23-05:40:30.5970000   2.525198287D-13  rad 
e1rr      2022.01.23-05:40:30.5970000   3.653705671D-19  rad 
e2rr      2022.01.23-05:40:30.5970000  -5.167377183D-19  rad 
e3rr      2022.01.23-05:40:30.5970000   1.021298052D-18  rad 
utcmtai   2022.01.23-05:40:30.5970000  -37.0000000       s
ut1mtai   2022.01.23-05:40:30.5970000  -37.1085862       s
ut1rat    2022.01.23-05:40:30.5970000  -2.991959501D-04  s/day
lod       2022.01.23-05:40:30.5970000   2.975643844D-04  s
xpol      2022.01.23-05:40:30.5970000   0.035448         arcsec
ypol      2022.01.23-05:40:30.5970000   0.309017         arcsec
xpolr     2022.01.23-05:40:30.5970000  -1.737392205D-03  arcsec/d
ypolr     2022.01.23-05:40:30.5970000   1.683472520D-03  arcsec/d
deps      2022.01.23-05:40:30.5970000    4.7543609       arcsec
dpsi      2022.01.23-05:40:30.5970000  -13.4182730       arcsec
mat       2022.01.23-05:40:30.5970000  -8.891178906269D-01  -4.576743374325D-01   1.891407667435D-03   4.576733414651D-01  -8.891199022521D-01  -9.549510139609D-04   2.118744772983D-03   1.658283604254D-05   9.999977553203D-01
matr      2022.01.23-05:40:30.5970000   3.337406708730D-05  -6.483564666737D-05  -6.952503786703D-08   6.483550000718D-05   3.337413947924D-05  -1.379104119287D-07   9.272475286167D-11   6.259009490654D-11  -1.974984497997D-13
matrr     2022.01.23-05:40:30.5970000   4.727879311106D-09   2.433680619771D-09  -1.005655712462D-11  -2.433675340937D-09   4.727890005664D-09   5.069808820712D-12  -4.511067674266D-15   6.742005298910D-15   9.433517045218D-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