Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2020.07.15-11:19:50.3630000   2.008534390D-06  rad 
e2        2020.07.15-11:19:50.3630000   9.240213521D-07  rad 
e3        2020.07.15-11:19:50.3630000   2.714442459D-03  rad 
e1r       2020.07.15-11:19:50.3630000  -4.878582608D-14  rad 
e2r       2020.07.15-11:19:50.3630000   9.739916187D-14  rad 
e3r       2020.07.15-11:19:50.3630000  -1.046664676D-12  rad 
e1rr      2020.07.15-11:19:50.3630000   5.741917059D-20  rad 
e2rr      2020.07.15-11:19:50.3630000   1.799236785D-19  rad 
e3rr      2020.07.15-11:19:50.3630000  -9.584813157D-19  rad 
utcmtai   2020.07.15-11:19:50.3630000  -37.0000000       s
ut1mtai   2020.07.15-11:19:50.3630000  -37.2243499       s
ut1rat    2020.07.15-11:19:50.3630000   1.240131652D-03  s/day
lod       2020.07.15-11:19:50.3630000  -1.233369006D-03  s
xpol      2020.07.15-11:19:50.3630000   0.190593         arcsec
ypol      2020.07.15-11:19:50.3630000   0.414290         arcsec
xpolr     2020.07.15-11:19:50.3630000   1.735777663D-03  arcsec/d
ypolr     2020.07.15-11:19:50.3630000  -8.694258305D-04  arcsec/d
deps      2020.07.15-11:19:50.3630000    0.0269637       arcsec
dpsi      2020.07.15-11:19:50.3630000  -16.6096179       arcsec
mat       2020.07.15-11:19:50.3630000  -2.303078533615D-01   9.731177131231D-01   4.572593136173D-04  -9.731158433069D-01  -2.303083072198D-01   1.907650552789D-03   1.961679161848D-03  -5.619378804009D-06   9.999980758898D-01
matr      2020.07.15-11:19:50.3630000  -7.096072853840D-05  -1.679434719828D-05   1.392565291091D-07   1.679431424006D-05  -7.096086517917D-05  -3.327328006346D-08   1.028880739452D-10  -1.282028410282D-10  -2.025542007400D-13
matrr     2020.07.15-11:19:50.3630000   1.224660727251D-09  -5.174548078247D-09  -2.426105234270D-12   5.174538113974D-09   1.224663130146D-09  -1.015487812715D-11   9.282005521318D-15   7.257674584250D-15  -1.819459421515D-17

Back


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.
Back to the Network Earth Rotation Service

This page was prepared by Leonid Petrov ()
Last update: 2017.07.05_12:12:16