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   Articles with "asteroid" as a keyword



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The feasibility of deflecting asteroid 2017 PDC using neutral beam propulsion

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recommendations! Published in 2019 at "Acta Astronautica"

DOI: 10.1016/j.actaastro.2018.03.057

Abstract: Abstract The neutral beam for asteroid control (NBAC) technology is a globally neutral plasma thruster that seeks to fill the operational gap between high impulse and slow push asteroid deflection methods. Additionally, NBAC can be… read more here.

Keywords: deflection; neutral beam; 2017 pdc; asteroid 2017 ... See more keywords
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Spacecraft trajectory tracking and parameter estimation around a splitting contact binary asteroid

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recommendations! Published in 2020 at "Acta Astronautica"

DOI: 10.1016/j.actaastro.2020.02.052

Abstract: Abstract Increasing interest in asteroid mining and in-situ resource utilization will lead to an increase in asteroid surface operations. The geophysical properties of asteroids are often unknown and play a significant role in the resulting… read more here.

Keywords: spacecraft trajectory; splitting contact; asteroid; contact ... See more keywords
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The dynamics of the resonance in a 3:5 external resonant model

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recommendations! Published in 2023 at "AIP Advances"

DOI: 10.1063/5.0153412

Abstract: Mean motion resonance sometimes ensures the stable motions of the celestial bodies in multi-planetary systems. The resonant orbits provide a stabilizing mechanism for maintaining our solar system and extrasolar planetary systems. This paper focuses on… read more here.

Keywords: resonant orbits; asteroid; eccentricity; model ... See more keywords
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Physical characterization of the active asteroid (6478) Gault

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recommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stab2111

Abstract: We report dense light-curve photometry, BVRc colours and phase–mag curve of (6478) Gault, an active asteroid with sporadic comet-like ejection of dust. We collected optical observations along the 2020 July–November months during which the asteroid… read more here.

Keywords: phase; active asteroid; asteroid; gault ... See more keywords
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The phase-polarization curve of asteroid (3200) Phaethon

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recommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/sty1587

Abstract: A multi-colour phase-polarization curve of asteroid (3200)~Phaethon has been obtained during the December 2017 apparition by merging measurements taken at the observing station of Calern (France) and at the Rhozen observatory (Bulgaria). All the observations… read more here.

Keywords: phase; polarization curve; phase polarization; polarization ... See more keywords
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Twistor-Based Adaptive Pose Control of Spacecraft for Landing on an Asteroid With Collision Avoidance

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recommendations! Published in 2022 at "IEEE Transactions on Aerospace and Electronic Systems"

DOI: 10.1109/taes.2021.3098159

Abstract: In the framework of twistors, a saturated adaptive six-degree-of-freedom (6-DOF) control law for asteroid landing, which avoids the collision between the spacecraft and asteroid, is proposed with both the inertial parameters of the spacecraft and… read more here.

Keywords: collision avoidance; spacecraft; control; asteroid ... See more keywords