Research Article

GPS Based Reduced-Dynamic Orbit Determination for Low Earth Orbiters with Ambiguity Fixing

Table 3

RPOD EKF parameters settings.

Initial values A priori variance Correlation time Process noise Observation noise

[nm/s2] 100 [m] 30 [s] 500 [nm/s2] 200 [cm] 80
[nm/s2] 100 [m/s] 0.1 [s] 100 [nm/s2] 600 [cm] 0.8
[nm/s2] 100 0.2 [nm/s2] 400
1.3 0.4 [m] 500
2.3