Refinement of GRACE-FO Kinematic Orbit by Combining Least Squares Method and Orbital Dynamic Model

Table 2

GRACE-FO satellite dynamic model selection and parameter setting.

Type	Description
Earth gravity model	EGM2008_SMALL ()
N-body	JPL DE405
Earth rotation	IERS2010XY
Solid earth tides	TIDE2000
Ocean tides	FES2004
GPS satellite PCV correction	igs08.atx
GPS elevation cutoff	5°
Initial orbital state
Receiver clock error	Per epoch
Ambiguities	Float values