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

Table 1

Data details.

DATA type	Source	Description
GRACE-FO GPS data	GFZ	RINEX 2.2 format, sampling rate 10 s
GRACE-FO attitude data	GFZ	Sampling rate 1 s
GPS precise ephemeris and clock offsets	CODE	Sampling rate 900 and 30 s
Earth rotation parameters	CODE	7 days
GRACE-FO reference orbits	JPL	Sampling rate 1 s