Reliable Distributed Integrated Navigation Based on CI during Mars Entry

Table 1

Initial condition for integrated navigation.

Initial parameters	True	Estimated
Altitude	3518.2 km	3519.2 km
Velocity	5515 m/s	5525 m/s
FPA	-11.8 deg	-12 deg
Longitude	-89.872 deg	-90.072 deg
Latitude	-28.02 deg	-28.22 deg
Azimuth	5.156 deg	5.356 deg
Surface density	2-4	2.2-4
Lift-to-drag ratio	0.156	0.17