Phase Error Modeling and Its Impact on Precise Orbit Determination of GRACE Satellites

Table 5

Orbit comparison results of GRACE satellites.

Satellite	Type of orbit comparison	RMS value (m)
		𝑅	𝑇	𝑁	3D
GRACE A	POD + NOPMC – POD + PMC	0.0071	0.0118	0.0064	0.0153
	POD + PMC − POD + MVC	0.0023	0.0050	0.0039	0.0068
	POD + NOPMC − JPL	0.0195	0.0341	0.0385	0.0553
	POD + MVC − JPL	0.0172	0.0297	0.0397	0.0528
	POD + PMC − JPL	0.0174	0.0306	0.0388	0.0527
GRACE B	POD + NOPMC – POD + NOPMC	0.0065	0.0097	0.0057	0.0131
	POD + PMC − POD + MVC	0.0031	0.0060	0.0032	0.0075
	POD + NOPMC − JPL	0.0179	0.0303	0.0373	0.0515
	POD + MVC − JPL	0.0166	0.0281	0.0379	0.0503
	POD + PMC − JPL	0.0165	0.0290	0.0372	0.0502