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        2025.06.07-18:03:37.0000000   2.140544464D-06  rad 
e2        2025.06.07-18:03:37.0000000   5.958426510D-07  rad 
e3        2025.06.07-18:03:37.0000000   2.695979811D-03  rad 
e1r       2025.06.07-18:03:37.0000000   7.105831121D-14  rad 
e2r       2025.06.07-18:03:37.0000000   9.547881774D-14  rad 
e3r       2025.06.07-18:03:37.0000000  -1.923995939D-13  rad 
e1rr      2025.06.07-18:03:37.0000000   3.683179777D-19  rad 
e2rr      2025.06.07-18:03:37.0000000   1.144467769D-19  rad 
e3rr      2025.06.07-18:03:37.0000000  -1.689406692D-18  rad 
utcmtai   2025.06.07-18:03:37.0000000  -37.0000000       s
ut1mtai   2025.06.07-18:03:37.0000000  -36.9711635       s
ut1rat    2025.06.07-18:03:37.0000000   2.279630064D-04  s/day
lod       2025.06.07-18:03:37.0000000  -2.267198858D-04  s
xpol      2025.06.07-18:03:37.0000000   0.122901         arcsec
ypol      2025.06.07-18:03:37.0000000   0.441519         arcsec
xpolr     2025.06.07-18:03:37.0000000   1.701554674D-03  arcsec/d
ypolr     2025.06.07-18:03:37.0000000   1.266350008D-03  arcsec/d
deps      2025.06.07-18:03:37.0000000    8.5312765       arcsec
dpsi      2025.06.07-18:03:37.0000000    1.1895039       arcsec
mat       2025.06.07-18:03:37.0000000  -9.736227085325D-01   2.281513877551D-01   2.401186220390D-03  -2.281506121380D-01  -9.736256689439D-01   5.957806576247D-04   2.473784723921D-03   3.223347152847D-05   9.999969396704D-01
matr      2025.06.07-18:03:37.0000000  -1.663700497903D-05  -7.099790499804D-05   4.360488589599D-08   7.099768922781D-05  -1.663706193209D-05  -1.750563464741D-07   1.649931457149D-10   3.363211331161D-12  -4.082671822265D-13
matrr     2025.06.07-18:03:37.0000000   5.177233268157D-09  -1.213193675125D-09  -1.276549291820D-11   1.213189521185D-09   5.177249002785D-09  -3.180065419821D-12  -4.916296190142D-16   1.173523586427D-14   8.107088384852D-19

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: 2022.11.17_15:11:17