NASA Goddard Space Flight Center Geodesy and Geophysics Laboratory

Network Earth Rotation Service: Earth rotation parameters now

The table is refreshed every 10 seconds

Parameter TAI time                      Value            Dimension
e1        2026.02.19-01:47:10.0000000   1.851966353D-06  rad 
e2        2026.02.19-01:47:10.0000000   4.988629131D-07  rad 
e3        2026.02.19-01:47:10.0000000   2.693051502D-03  rad 
e1r       2026.02.19-01:47:10.0000000   4.342300451D-14  rad 
e2r       2026.02.19-01:47:10.0000000  -3.344926494D-14  rad 
e3r       2026.02.19-01:47:10.0000000   5.688383765D-13  rad 
e1rr      2026.02.19-01:47:10.0000000  -1.901096044D-19  rad 
e2rr      2026.02.19-01:47:10.0000000  -3.700053224D-19  rad 
e3rr      2026.02.19-01:47:10.0000000   1.374263159D-18  rad 
utcmtai   2026.02.19-01:47:10.0000000  -37.0000000       s
ut1mtai   2026.02.19-01:47:10.0000000  -36.9310063       s
ut1rat    2026.02.19-01:47:10.0000000  -6.739832647D-04  s/day
lod       2026.02.19-01:47:10.0000000   6.703079208D-04  s
xpol      2026.02.19-01:47:10.0000000   0.102898         arcsec
ypol      2026.02.19-01:47:10.0000000   0.381995         arcsec
xpolr     2026.02.19-01:47:10.0000000  -5.961086916D-04  arcsec/d
ypolr     2026.02.19-01:47:10.0000000   7.738534896D-04  arcsec/d
deps      2026.02.19-01:47:10.0000000    8.9736264       arcsec
dpsi      2026.02.19-01:47:10.0000000    6.9649747       arcsec
mat       2026.02.19-01:47:10.0000000  -9.966817841028D-01   8.135697903811D-02   2.542282322943D-03  -8.135662715882D-02  -9.966850258741D-01   2.416932168960D-04   2.553518152803D-03   3.405971154134D-05   9.999967391872D-01
matr      2026.02.19-01:47:10.0000000  -5.932618526536D-06  -7.267941898321D-05   1.775935314788D-08   7.267918269116D-05  -5.932644528913D-06  -1.853481424285D-07   1.374511513753D-10   2.691670963333D-11  -3.519019331051D-13
matrr     2026.02.19-01:47:10.0000000   5.299849633900D-09  -4.326152830431D-10  -1.351565332179D-11   4.326133868285D-10   5.299866864195D-09  -1.295073635382D-12  -1.809625808310D-15   9.970160802033D-15   4.261734822767D-18

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.

Back to the Network Earth Rotation Service

| Responsible NASA official: Leonid Petrov | Privacy Policy and important notices
Last update: 2025.10.01_14:25:31