Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2020.04.05-00:02:30.8220000   1.980620634D-06  rad 
e2        2020.04.05-00:02:30.8220000   2.681476098D-07  rad 
e3        2020.04.05-00:02:30.8220000   2.714659495D-03  rad 
e1r       2020.04.05-00:02:30.8220000   8.918985770D-14  rad 
e2r       2020.04.05-00:02:30.8220000   1.517384051D-14  rad 
e3r       2020.04.05-00:02:30.8220000   8.709913166D-13  rad 
e1rr      2020.04.05-00:02:30.8220000   7.215171466D-22  rad 
e2rr      2020.04.05-00:02:30.8220000  -1.860800823D-19  rad 
e3rr      2020.04.05-00:02:30.8220000   2.863519174D-18  rad 
utcmtai   2020.04.05-00:02:30.8220000  -37.0000000       s
ut1mtai   2020.04.05-00:02:30.8220000  -37.2273262       s
ut1rat    2020.04.05-00:02:30.8220000  -1.031986581D-03  s/day
lod       2020.04.05-00:02:30.8220000   1.026358985D-03  s
xpol      2020.04.05-00:02:30.8220000   0.055309         arcsec
ypol      2020.04.05-00:02:30.8220000   0.408532         arcsec
xpolr     2020.04.05-00:02:30.8220000   2.704172491D-04  arcsec/d
ypolr     2020.04.05-00:02:30.8220000   1.589477361D-03  arcsec/d
deps      2020.04.05-00:02:30.8220000    0.1141664       arcsec
dpsi      2020.04.05-00:02:30.8220000  -17.7241641       arcsec
mat       2020.04.05-00:02:30.8220000  -9.704063248434D-01  -2.414705851994D-01   1.876482723513D-03   2.414701223307D-01  -9.704081391099D-01  -4.728328402110D-04   1.935129330423D-03  -5.725465936226D-06   9.999981276191D-01
matr      2020.04.05-00:02:30.8220000   1.760827942697D-05  -7.076327800748D-05  -3.433314350477D-08   7.076314575017D-05   1.760831289651D-05  -1.368136111448D-07   1.368076305327D-10   5.637129258767D-11  -2.644182011903D-13
matrr     2020.04.05-00:02:30.8220000   5.160130012385D-09   1.284018406064D-09  -9.976406253900D-12  -1.284015965686D-09   5.160139656336D-09   2.503472809299D-12  -3.872700604149D-15   9.889028571630D-15   7.528933217533D-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