Network Earth Rotation Service
Earth rotation parameters now
The table is refreshed every 10 seconds
Parameter TAI time Value Dimension
e1 2025.12.19-22:45:53.8750000 1.546495508D-06 rad
e2 2025.12.19-22:45:53.8750000 5.450320244D-07 rad
e3 2025.12.19-22:45:53.8750000 2.692523446D-03 rad
e1r 2025.12.19-22:45:53.8750000 3.462258095D-14 rad
e2r 2025.12.19-22:45:53.8750000 -2.009220802D-13 rad
e3r 2025.12.19-22:45:53.8750000 -5.110099632D-13 rad
e1rr 2025.12.19-22:45:53.8750000 1.224219834D-19 rad
e2rr 2025.12.19-22:45:53.8750000 -8.309499887D-19 rad
e3rr 2025.12.19-22:45:53.8750000 -3.998539500D-19 rad
utcmtai 2025.12.19-22:45:53.8750000 -37.0000000 s
ut1mtai 2025.12.19-22:45:53.8750000 -36.9237648 s
ut1rat 2025.12.19-22:45:53.8750000 6.054657658D-04 s/day
lod 2025.12.19-22:45:53.8750000 -6.021640594D-04 s
xpol 2025.12.19-22:45:53.8750000 0.112421 arcsec
ypol 2025.12.19-22:45:53.8750000 0.318988 arcsec
xpolr 2025.12.19-22:45:53.8750000 -3.580688501D-03 arcsec/d
ypolr 2025.12.19-22:45:53.8750000 6.170186838D-04 arcsec/d
deps 2025.12.19-22:45:53.8750000 8.0310059 arcsec
dpsi 2025.12.19-22:45:53.8750000 4.7804939 arcsec
mat 2025.12.19-22:45:53.8750000 3.457907504146D-01 9.383112161527D-01 -9.047484301568D-04 -9.383082394238D-01 3.457919325906D-01 2.363722606759D-03 2.530762141967D-03 3.157949265898D-05 9.999967971177D-01
matr 2025.12.19-22:45:53.8750000 -6.842251724774D-05 2.521554599815D-05 1.724757074783D-07 -2.521545967245D-05 -6.842273459201D-05 6.602136315951D-08 5.071752842726D-12 -1.194557535075D-10 -9.063077329023D-15
matrr 2025.12.19-22:45:53.8750000 -1.838740352949D-09 -4.989464615945D-09 4.814786116867D-12 4.989448767207D-09 -1.838746649015D-09 -1.257702619304D-11 8.666654880715D-15 -7.079303468534D-17 -2.194534694654D-17
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