61 citations · 246 across the 24 of their papers we have counts for
13 papers · 1 filter
Direct low-energy trajectories to Near-Earth Objects
Elena Fantino, Roberto Flores, Giuseppe Donnarumma +2
Near-Earth Objects (NEOs) are asteroids, comets and meteoroids in heliocentric orbits with perihelion below 1.3 au. Similarly to the population of the Main Asteroid Belt, NEOs are…
Multiple-arc optimization of low-thrust earth-moon orbit transfers leveraging implicit costate transformation
Alessandro Beolchi, Mauro Pontani, Chiara Pozzi +1
This work focuses on minimum-time low-thrust orbit transfers from a prescribed low Earth orbit to a specified low lunar orbit. The well-established indirect formulation of minimum-…
Orbital perturbation coupling of primary oblateness and solar radiation pressure
Martin Lara, Elena Fantino, Roberto Flores
Solar radiation pressure can have a substantial long-term effect on the orbits of high area-to-mass ratio spacecraft, such as solar sails. We present a study of the coupling betwee…
Statistical Study of Uncontrolled Geostationary Satellites Near an Unstable Equilibrium Point
Roberto Flores, Mauro Pontani, Elena Fantino
The growth of the population of space debris in the geostationary ring and the resulting threat to active satellites require insight into the dynamics of uncontrolled objects in th…
End-to-end trajectory concept for close exploration of Saturn's Inner Large Moons
Elena Fantino, Burhani M. Burhani, Roberto Flores +3
We present a trajectory concept for a small mission to the four inner large satellites of Saturn. Leveraging the high efficiency of electric propulsion, the concept enables orbit i…
Transfer design between neighborhoods of planetary moons in the circular restricted three-body problem
David Canales, Kathleen C. Howell, Elena Fantino
Given the interest in future space missions devoted to the exploration of key moons in the solar system and that may involve libration point orbits, an efficient design strategy fo…
A Method for Accurate and Efficient Propagation of Satellite Orbits: A Case Study for a Molniya Orbit
Roberto Flores, Burhani Makame Burhani, Elena Fantino
Fast and precise propagation of satellite orbits is required for mission design, orbit determination and payload data analysis. We present a method to improve the computational per…
Feasibility Study of Aerocapture at Mars with an Innovative Deployable Heat Shield
Giorgio Isoletta, Michele Grassi, Elena Fantino +2
Performing orbital insertion around Mars using aerocapture instead of a propulsive orbit insertion manoeuvre allows to save resources and/or increase the payload mass fraction. Aer…
Long-Term Orbit Dynamics of Decommissioned Geostationary Satellites
Simone Proietti, Roberto Flores, Elena Fantino +1
In nominal mission scenarios, geostationary satellites perform end-of-life orbit maneuvers to reach suitable disposal orbits, where they do not interfere with operational satellite…
An Automatic Tree Search Algorithm for the Tisserand Graph
D. de la Torre Sangrà, E. Fantino, R. Flores +2
The Tisserand graph (TG) is a graphical tool commonly employed in the preliminary design of gravity-assisted trajectories. The TG is a two-dimensional map showing essential orbital…
Science orbits in the Saturn-Enceladus circular restricted three-body problem with oblate primaries
Francisco Salazar, Adham Alkhaja, Elena Fantino +1
This contribution investigates the properties of a category of orbits around Enceladus. In a previous investigation, a set of heteroclinic connections were designed between halo or…
Design and performance of low-energy orbits for the exploration of Enceladus
E. Fantino, F. J. T. Salazar, E. M. Alessi
The icy moons are in the focus of the exploration plans of the leading space agencies because of the indications of water-based life and geological activity observed in a number of…
Reduction of Saturn Orbit Insertion Impulse using Deep-Space Low Thrust
Elena Fantino, Roberto Flores, Jesus Pelaez +1
Orbit insertion at Saturn requires a large impulsive manoeuver due to the velocity difference between the spacecraft and the planet. This paper presents a strategy to reduce dramat…