Table 3. Dynamical models and parameters for the precise orbit simulation

Item	Settings/Model
Coordinate system	TOD
Precession & nutation models	IAU 1976 Precession Model / IAU 1980 Simplified Nutation Model
Earth rotation parameters	IERS Bulletin A
Earth gravity field model	JGM-3 (70 × 70)
Third-body perturbations	DE200/JPL Ephemeris
Atmospheric drag model	MSIS86
Ocean tide model	CSR Model

TOD, true of date; IAU, International Astronomical Union; IERS, International Earth Rotation and Reference Systems Service; JGM, joint gravity model; CSR, Center for Space Research ocean tide model.