Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2024.02.22-14:05:04.3020000   1.232761602D-06  rad 
e2        2024.02.22-14:05:04.3020000   1.182764816D-07  rad 
e3        2024.02.22-14:05:04.3020000   2.698220928D-03  rad 
e1r       2024.02.22-14:05:04.3020000   1.027466668D-13  rad 
e2r       2024.02.22-14:05:04.3020000  -1.843688188D-13  rad 
e3r       2024.02.22-14:05:04.3020000  -8.787864782D-14  rad 
e1rr      2024.02.22-14:05:04.3020000   1.012963010D-19  rad 
e2rr      2024.02.22-14:05:04.3020000  -4.036579448D-19  rad 
e3rr      2024.02.22-14:05:04.3020000   1.768809606D-18  rad 
utcmtai   2024.02.22-14:05:04.3020000  -37.0000000       s
ut1mtai   2024.02.22-14:05:04.3020000  -37.0018969       s
ut1rat    2024.02.22-14:05:04.3020000   1.041222611D-04  s/day
lod       2024.02.22-14:05:04.3020000  -1.035544649D-04  s
xpol      2024.02.22-14:05:04.3020000   0.024396         arcsec
ypol      2024.02.22-14:05:04.3020000   0.254275         arcsec
xpolr     2024.02.22-14:05:04.3020000  -3.285688206D-03  arcsec/d
ypolr     2024.02.22-14:05:04.3020000   1.831077042D-03  arcsec/d
deps      2024.02.22-14:05:04.3020000    9.0308831       arcsec
dpsi      2024.02.22-14:05:04.3020000   -3.8833313       arcsec
mat       2024.02.22-14:05:04.3020000   9.988130093776D-01   4.865293588156D-02  -2.337547480108D-03  -4.865289295599D-02   9.988157439404D-01   7.525799332730D-05   2.338440747665D-03   3.855978453447D-05   9.999972651003D-01
matr      2024.02.22-14:05:04.3020000  -3.547824777645D-06   7.283479424238D-05   5.574781880325D-09  -7.283459481979D-05  -3.547828110803D-06   1.704616874471D-07  -8.653456265152D-11  -9.254529566873D-12   2.027133540878D-13
matrr     2024.02.22-14:05:04.3020000  -5.311182529294D-09  -2.587116803004D-10   1.243004899822D-11   2.587114377604D-10  -5.311197070904D-09  -4.062940496826D-13   9.096060396572D-16  -6.525009771754D-15  -1.883015259019D-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