Network Earth Rotation Service

Earth rotation parameters now

The table is refreshed every 10 seconds
Parameter TAI time                      Value            Dimension
e1        2019.12.06-18:08:30.7750000   1.313544584D-06  rad 
e2        2019.12.06-18:08:30.7750000   5.316063354D-07  rad 
e3        2019.12.06-18:08:30.7750000   2.710574385D-03  rad 
e1r       2019.12.06-18:08:30.7750000  -2.390909807D-14  rad 
e2r       2019.12.06-18:08:30.7750000  -1.072668706D-13  rad 
e3r       2019.12.06-18:08:30.7750000   3.324596911D-13  rad 
e1rr      2019.12.06-18:08:30.7750000  -2.222311302D-19  rad 
e2rr      2019.12.06-18:08:30.7750000   9.203991878D-20  rad 
e3rr      2019.12.06-18:08:30.7750000   2.529959509D-19  rad 
utcmtai   2019.12.06-18:08:30.7750000  -37.0000000       s
ut1mtai   2019.12.06-18:08:30.7750000  -37.1713053       s
ut1rat    2019.12.06-18:08:30.7750000  -3.939120095D-04  s/day
lod       2019.12.06-18:08:30.7750000   3.917639412D-04  s
xpol      2019.12.06-18:08:30.7750000   0.109652         arcsec
ypol      2019.12.06-18:08:30.7750000   0.270938         arcsec
xpolr     2019.12.06-18:08:30.7750000  -1.911632857D-03  arcsec/d
ypolr     2019.12.06-18:08:30.7750000  -4.260907136D-04  arcsec/d
deps      2019.12.06-18:08:30.7750000   -1.8725758       arcsec
dpsi      2019.12.06-18:08:30.7750000  -17.9928758       arcsec
mat       2019.12.06-18:08:30.7750000   9.742016362860D-01  -2.256717307579D-01  -1.855207396293D-03   2.256713446246D-01   9.742034026821D-01  -4.176338434125D-04   1.901597510416D-03  -1.180757405818D-05   9.999981918921D-01
matr      2019.12.06-18:08:30.7750000   1.645621439807D-05   7.104003352523D-05  -3.036052104470D-08  -7.103990464468D-05   1.645624237649D-05   1.353227848371D-07  -1.001838214531D-10  -1.674942689375D-11   1.903118795167D-13
matrr     2019.12.06-18:08:30.7750000  -5.180311623459D-09   1.200008124026D-09   9.867912539881D-12  -1.200006083593D-09  -5.180321021607D-09   2.214040028872D-12   1.186919680033D-15  -7.414146141592D-15  -2.354906967856D-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