Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2018.04.22-02:48:31.4380000   2.071728662D-06  rad 
e2        2018.04.22-02:48:31.4380000   2.751194547D-07  rad 
e3        2018.04.22-02:48:31.4380000   2.689813459D-03  rad 
e1r       2018.04.22-02:48:31.4380000   5.236644099D-14  rad 
e2r       2018.04.22-02:48:31.4380000   1.430267294D-13  rad 
e3r       2018.04.22-02:48:31.4380000   8.623007846D-13  rad 
e1rr      2018.04.22-02:48:31.4380000  -2.063819144D-19  rad 
e2rr      2018.04.22-02:48:31.4380000   1.162356794D-19  rad 
e3rr      2018.04.22-02:48:31.4380000   7.604133655D-19  rad 
utcmtai   2018.04.22-02:48:31.4380000  -37.0000000       s
ut1mtai   2018.04.22-02:48:31.4380000  -36.8866016       s
ut1rat    2018.04.22-02:48:31.4380000  -1.021689678D-03  s/day
lod       2018.04.22-02:48:31.4380000   1.016118233D-03  s
xpol      2018.04.22-02:48:31.4380000   0.056747         arcsec
ypol      2018.04.22-02:48:31.4380000   0.427325         arcsec
xpolr     2018.04.22-02:48:31.4380000   2.548919287D-03  arcsec/d
ypolr     2018.04.22-02:48:31.4380000   9.332369687D-04  arcsec/d
deps      2018.04.22-02:48:31.4380000   -5.8550563       arcsec
dpsi      2018.04.22-02:48:31.4380000  -14.1665580       arcsec
mat       2018.04.22-02:48:31.4380000  -3.112765827939D-01  -9.503192220546D-01   5.149735012794D-04   9.503177444913D-01  -3.112770070970D-01  -1.676113878636D-03   1.753142647433D-03  -3.234654430668D-05   9.999984627211D-01
matr      2018.04.22-02:48:31.4380000   6.929826335145D-05  -2.269867742563D-05  -1.220707602878D-07   2.269864650742D-05   6.929837082764D-05  -3.753682171843D-08   3.288589912780D-11   1.506392564280D-10  -5.278109366590D-14
matrr     2018.04.22-02:48:31.4380000   1.655211408685D-09   5.053316916428D-09  -2.737535619772D-12  -5.053309079362D-09   1.655213663818D-09   8.901394828669D-12  -1.093176408552D-14   2.060630724777D-15   1.920789667103D-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.
This page was prepared by Leonid Petrov ()
Last update: 2016.06.28_12:42:19