Implementation of a Differential Geometric Filter for Spacecraft Formation Orbit Estimation

Table 2

Comparing mean RMSE in absolute position: DG Est. versus EKF.

Distance	DG Est.	EKF
Short (≃0.25km)	4.447×10^3 km	2.657×10^−4 km
Medium (≃60km)	16.59km	4.153×10^−4 km
Long (≃1200km)	0.901km	7.616×10^−3 km