Mars Atmospheric Entry Integrated Navigation with Partial Intermittent Measurements

Table 2

Initial conditions and parameters during Mars entry.

Initial parameters	Values	Standard deviation
Altitude	3522.20 km	1 km
Velocity	5900 m/s	20 m/s
FPA	−16 deg	0.5 deg
Longitude	0.00 deg	0.02 deg
Latitude	0.00 deg	0.02 deg
Azimuth	5.156 deg	0.5 deg
Reference density	2.0 × 10^−4 kg/m^3	2 × 10^−5 kg/m^3
L/D ratio	0.156	0.016
Ballistic coefficient	0.016m^2/kg	0.0016m^2/kg