Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2017.10.20-17:55:15.5570000   1.313591192D-06  rad 
e2        2017.10.20-17:55:15.5570000   9.647693678D-07  rad 
e3        2017.10.20-17:55:15.5570000   2.676582172D-03  rad 
e1r       2017.10.20-17:55:15.5570000  -8.230735356D-14  rad 
e2r       2017.10.20-17:55:15.5570000  -7.261579326D-14  rad 
e3r       2017.10.20-17:55:15.5570000   1.072224472D-12  rad 
e1rr      2017.10.20-17:55:15.5570000   6.307016933D-20  rad 
e2rr      2017.10.20-17:55:15.5570000   1.059824506D-20  rad 
e3rr      2017.10.20-17:55:15.5570000  -9.761496606D-19  rad 
utcmtai   2017.10.20-17:55:15.5570000  -37.0000000       s
ut1mtai   2017.10.20-17:55:15.5570000  -36.7051551       s
ut1rat    2017.10.20-17:55:15.5570000  -1.270415956D-03  s/day
lod       2017.10.20-17:55:15.5570000   1.263488165D-03  s
xpol      2017.10.20-17:55:15.5570000   0.198998         arcsec
ypol      2017.10.20-17:55:15.5570000   0.270948         arcsec
xpolr     2017.10.20-17:55:15.5570000  -1.294106330D-03  arcsec/d
ypolr     2017.10.20-17:55:15.5570000  -1.466822333D-03  arcsec/d
deps      2017.10.20-17:55:15.5570000   -6.8177648       arcsec
dpsi      2017.10.20-17:55:15.5570000  -12.6268565       arcsec
mat       2017.10.20-17:55:15.5570000   4.666381314162D-01  -8.844479467403D-01  -8.269312519824D-04   8.844466877894D-01   4.666388628203D-01  -1.492703667697D-03   1.706096953042D-03  -3.482415659322D-05   9.999985440092D-01
matr      2017.10.20-17:55:15.5570000   6.449487051279D-05   3.402784291270D-05  -1.087564604651D-07  -3.402778946071D-05   6.449496215546D-05   6.037135128256D-08  -1.059127658141D-10   4.950651537691D-11   1.824217351150D-13
matrr     2017.10.20-17:55:15.5570000  -2.481345583890D-09   4.703046857608D-09   4.402325996082D-12  -4.703040174515D-09  -2.481349481627D-09   7.930884512260D-12  -3.799837912227D-15  -7.854368383306D-15   6.195726712636D-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.
This page was prepared by Leonid Petrov ()
Last update: 2016.06.28_12:42:19