T= kinetic energy of the system, J ϑ= true anomaly angle, rad μ= gravitational parameter of
the Earth φ1= angle between the tether and space tug, rad φ2= angle between the tether …

This paper outlines a method based on the theory of artificial potential fields combined with
sliding mode techniques for spacecraft maneuvers in the presence of obstacles. Guidance …

Abstract The International Space Station is the first space human outpost and over the last
15 years, it has represented a peculiar environment where science, technology and human …

This paper presents the very first steps of a methodology aimed at supporting the generation
and update of technology roadmaps developed in close cooperation between Politecnico di …

This paper describes the methodology developed by Politecnico di Torino in support to the
elaboration of hypersonic and re-entry space transportation systems roadmaps, currently on …

Space Debris removal is a critical issue related to space research. One of the key
requirements for a removal mission is the assessment of the target rotational dynamics …

Abstract According to the Global Exploration Roadmap, a Getaway in the lunar vicinity will
enable the human exploration of the Moon, paving the way toward Mars and further in the …

Abstract The Lunar Space Tug is a sustainable transportation system able to rendezvous
with a target body in Low Earth Orbits environment, assess its current position, attitude and …

Exploration technology roadmaps have been developed by ESA in the past few years and
the latest edition has been released in 2015. Scope of these technology roadmaps …

Abstract On-Orbit Servicing (OOS) is becoming more extensively discussed in research and
commercial developments. The key point of servicing relies on the relation between two …