rootbrowseIAC-06C1session P.4P.4. Poster Session on OptimizationPapers1. Rapid Lunar soft-landing trajectory optimization by a Legendre pseudospectral method2. Optimal Reconfiguration for Formation Flying Subject to Several Constraints3. Indirect Optimization of Two Dimensional Finite-Burning Interplanetary Transfers Including Spiral Dynamics4. Mars Ascent Trajectory for Rendezvous Operations into Elliptical Orbit5. Planetary Atmosphere Entry Vehicles: Multiobjective Optimization PSO Algorithm Applied to a Multi-Body Multiple Flight Regime Modelling