Influence of the Choice of Lunar Gravity Model on Orbit Determination for Lunar Orbiters

Table 14

Influence of lunar gravity model on orbit determination of lunar orbiter by three stations.

Lunar gravity model (70 × 70)	Orbit position uncertainty (m, RMS)				Orbit position accuracy (m, RMS)
	R	I	C	3D	R	I	C	3D
GLGM2	53.90	297.48	56.04	307.48	1202.32	14203.89	2511.31	14474.21
LP100K	23.42	67.20	43.04	83.17	2.89	9.38	5.11	11.07
LQ150Q	23.66	67.88	43.49	84.02	2.90	9.56	5.16	11.25
GRAIL420A	5.11	16.20	9.60	19.51	0.67	2.36	1.60	2.93
GRAIL660B	5.11	16.20	9.60	19.51	0.67	2.35	1.61	2.93