AEGIS: Italy’s Step Toward the Future of NEA Robotic Exploration - Rendezvous, Landing, and In-Situ Analysis

Le résumé fourni par la source

AEGIS is an ASI-funded Phase A mission concept for robotic exploration of a near-Earth asteroid (NEA), developed by the AENEAS consortium.The mission targets asteroid 2002 AW, a primitive B-type potentially hazardous binary asteroid (230-380 m diameter), for rendezvous, proximity characterisation, controlled landing, and in-situ analysis.The spacecraft employs an orbiterlander architecture based on Tyvak International's Ambassador platform with solar electric propulsion.This paper presents the flight dynamics and navigation analyses conducted during Phase A: interplanetary trajectory design and porkchop plot assessment using electric propulsion, orbit determination covariance analysis for cruise and proximity phases, proximity orbit families in the Augmented Hill Problem framework (Sun-Synchronous and Resonant Terminator Orbits), descent and landing trajectory design including Monte Carlo dispersion analysis, and radio science results for gravity field estimation.

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