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EOP TIME SERIES
FTP products
Reference C04 series
Each day since 1962
Reference C01 series
Each 0.05 year from 1846
EOP series & analysis
EOP series & comparison
Bulletins B, C, D
Last days for EOP
Rotation matrix/vector
WEB Service
EOP series: synoptic
THEORY AND MODELLING
Earth Orientation Parameters (EOP)
Astro-geodetic techniques
Models / Sofware
Leap second
Useful constants
Moon declination
GEOPHYSICAL EXCITATION
Excitation of PM/LOD
Excitation of nutation
Geophysical excitation
LINKS
IERS
IERS Rapid Service
IERS Conventions
SYRTE
Paris Observatory
GRGS
Network Earth Rotation Service
Other links
EOP C01 COMBINED SERIES
EOP C01 COMBINED SERIES
1846 - latest year (0.05-year interval) -
Description of C01 series
Interactive analysis of C01 series
2 series since 1846
:
normal values of polar motion
at
0.05 year intervals
guide
: Guide contains information on eopc01.
N.B.
: no value for UT1-TAI before 1956
Make a EOP time series - select parameters and span :
Modified Julian date
Besselian year
(x,y) (mas) 1846-
latest year
UT1-TAI (ms) 1956-latest year
Celestial Pole Offsets CPOX, CPOY (mas) 1900-
latest year
x, y, UT1-TAI, CPOX, CPOY
Reference nutation model for Celestial Pole Offsets (CPO):
Reference IAU nutation model 1980 --> CPOX = dpsi, CPOY= deps
Reference IAU nutation model 2000 --> CPOX = dX, CPOY= dY
Starting year
Ending year
INTERACTIVE PLOTS FOR C01
Updated on June 24 2017
Modified Julian date
Besselian year
x (mas) (1846-latest year)
y (mas) (1846-latest year)
Polhody (x,-y) (mas) (1846-latest year)
UT1-TAI (ms) / date (1956-latest year)
dψ UAI 1980 (mas) (1846-latest year)
dε UAI 1980 (mas) (1846-latest year)
dX UAI 2000 (mas) (1846-latest year)
dY UAI 2000 (mas) (1846-latest year)
Starting year
Ending year
IERS 
IERS Rapid Service 
IERS Conventions
SYRTE 
GRGS