Table 1: Main constants used in La2004. IAU76 refers to the resolutions of the International Astronmical Union of 1976, IERS1992, and IERS2000, refers to the IERS conventions (McCarthy 1992; McCarthy & Petit 2004).
Symbol Value Name Ref.
$\epsilon_0$   84 381.448 Obliquity of the ecliptic at J2000.0 IAU76
$\omega_0$   $7.292115\times 10^{-5}$ rad s-1 Mean angular velocity of the Earth at J2000.0 IERS2000
$\psi_0$  5029.0966 ''/cy Precession constant IERS2000
$\delta\psi_0$  -0.29965 ''/cy Correction to the precession IERS2000
k2  0.305  k2 of the Earth (Lambeck 1988)
$k2_{\rm M}$  0.0302  k2 of the Moon (Yoder 1995)
$\Delta t$  639 s Time lag of the Earth  
$\Delta t_{\rm M}$  7055 s Time lag of the Moon  
$J_{2\rm E}$   0.0010826362 Dynamical form-factor for the Earth IERS1992
$J_{\rm 2M}$   0.000202151 Dynamical form-factor for the Moon IERS1992
$J_{\rm 2S}$   $2.\times 10^{-7}~$ Dynamical form-factor for the Sun IERS2000
$R_{\rm E}$  6378.1366 km Equatorial radius of the Earth IERS2000
$R_{\rm M}$  1738 km Equatorial radius of the Moon IAU76
$R_{\rm sun}$   696 000 000 m Equatorial radius of the Sun IAU76
GS   $1.32712442076\times 10^{20}$ m3 s-2 Heliocentric gravitational constant IERS2000
$M_{\rm mer}$   6 023 600   Sun - Mercury mass ratio IERS1992
$M_{\rm ven}$   408 523.71  Sun - Venus mass ratio IERS1992
$M_{\rm ear}$   328 900.56  Sun - Earth and Moon mass ratio IERS1992
$M_{\rm mar}$   3 098 708  Sun - Mars mass ratio IERS1992
$M_{\rm jup}$  1047.3486 Sun - Jupiter and satellites mass ratio IERS1992
$M_{\rm sat}$  3497.9 Sun - Saturn and satellites mass ratio IERS1992
$M_{\rm ura}$  22 902.94 Sun - Uranus and satellites mass ratio IERS1992
$M_{\rm nep}$  19 412.24 Sun - Neptune and satellites mass ratio IERS1992
$M_{\rm plu}$   135 000 000  Sun - Pluto and Charon mass ratio IERS1992
$\mu$   0.0123000383  Moon-Earth mass ratio IERS2000


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