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Table 2

Configurations for POD and gravity field recovery in LUGREAS.

Models Types Details
Dynamic model A priori gravity field SGM100g (Matsumoto et al. 2010)
N-body perturbation Sun and eight planets from JPL DE421 (Williams et al. 2008)
Lunar solid tidal perturbation k2 = 0.0240 (Love Numbers from Matsumoto et al. 2010)
Perturbations Moon J2 indirect perturbation
from Earth-Moon oblateness Earth J2 perturbation
Relativity perturbation Schwarzschild (Sun only)
Solar radiation Fixed ratio of area to mass
Correction model Relativistic acceleration correction Moyer (2005)
Earth tropospheric correction Hopfield model (Hopfield 1963) + CfA2.2 mapping function (Davis et al. 1985)
TDB-TT translation model Moyer (1981)
Tracking station correction Earth solid tide, ocean tide, and polar tide correction
Others Earth rotation model IAU 2006 precession-nutation Seidelmann et al. (2007); Polar motion parameters from IERS C04
Lunar rotation model JPL DE421 (Williams et al. 2008)
Data and weighting Two-way Doppler with fixed weight
Ephemeris JPL DE421 (Williams et al. 2008)
Solution parameters Arc parameters Initial orbit values; empirical accelerations; S-band bias
Global parameters Spherical harmonics up to degree and order of 100; k2

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