An Electron-Scale Current Sheet Without Bursty Reconnection Signatures Observed in the Near-Earth Tail
Sign Up to like & getrecommendations! Published in 2018 at "Geophysical Research Letters"
DOI: 10.1002/2017gl076330
Abstract: Observations of a current sheet as thin as the electron scale are extremely rare in the near-Earth magnetotail. By measurement from the novel Magnetospheric Multiscale mission in the near-Earth mag ... read more here.
Keywords: scale current; electron scale; current sheet; near earth ... See more keywords
Global simulation study for the time sequence of events leading to the substorm onset
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017ja024102
Abstract: We have developed a global simulation code which gives numerical solutions having an extremely high resolution. The substorm solution obtained from this simulation code reproduces the precise features of the substorm onset in the ionosphere.… read more here.
Keywords: near earth; substorm onset; global simulation; simulation ... See more keywords
Electron acceleration in the near-Earth magnetotail: test particle calculations in electromagnetic fields from two-dimensional hybrid simulations
Sign Up to like & getrecommendations! Published in 2017 at "Astrophysics and Space Science"
DOI: 10.1007/s10509-017-3093-0
Abstract: Electron acceleration in the near-Earth magnetotail during the substorm period is still an unresolved question. In this paper, by tracing electron trajectories in the dynamically evolving electromagnetic fields obtained from a two-dimensional (2D) global hybrid… read more here.
Keywords: acceleration near; electromagnetic fields; acceleration; electron acceleration ... See more keywords
Natural and technogeneous contamination of near-Earth space
Sign Up to like & getrecommendations! Published in 2017 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2016.12.038
Abstract: Abstract The paper presents an analysis of ecological impact of the combined factor of natural and manmade contamination of near-Earth space on the environment around the Earth and human space activities. The near-Earth space (NES)… read more here.
Keywords: space; contamination near; natural technogeneous; earth space ... See more keywords
Fast and accurate estimation of fuel-optimal trajectories to Near-Earth Asteroids
Sign Up to like & getrecommendations! Published in 2021 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2021.07.013
Abstract: Abstract This paper proposes an improved method for the preliminary evaluation of minimum-propellant trajectories to Near-Earth Asteroids (NEAs). The method applies to missions from Earth to asteroids with small eccentricity and inclination. A planar and… read more here.
Keywords: plane; method; near earth; eccentricity ... See more keywords
Accessibility assessment and trajectory design for multiple Near-Earth-asteroids exploration using stand-alone CubeSats
Sign Up to like & getrecommendations! Published in 2021 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2021.106944
Abstract: Abstract Continuous breakthrough of related technologies enables stand-alone interplanetary CubeSats, requiring primary propulsion systems for orbit maneuvering and trajectory control, to be applied in deep space missions. The application of stand-alone interplanetary CubeSats to explore… read more here.
Keywords: stand alone; multiple near; earth; earth asteroids ... See more keywords
Near-infrared thermal emission from near-Earth asteroids: Aspect-dependent variability
Sign Up to like & getrecommendations! Published in 2017 at "Icarus"
DOI: 10.1016/j.icarus.2016.11.011
Abstract: Abstract Here we explore a technique for constraining physical properties of near-Earth asteroids (NEAs) based on variability in thermal emission as a function of viewing aspect. We present case studies of the low albedo, near-Earth… read more here.
Keywords: thermal emission; emission near; variability; near earth ... See more keywords
The near-Earth asteroid population from two decades of observations
Sign Up to like & getrecommendations! Published in 2017 at "Icarus"
DOI: 10.1016/j.icarus.2016.12.008
Abstract: Abstract Determining the size and orbital distribution of the population of near-Earth asteroids (NEAs) is the focus of intense research, with the most recent models converging to a population of approximately 1000 NEAs larger than… read more here.
Keywords: two decades; population two; earth asteroid; near earth ... See more keywords
Arecibo and Goldstone radar images of near-Earth Asteroid (469896) 2005 WC1
Sign Up to like & getrecommendations! Published in 2018 at "Icarus"
DOI: 10.1016/j.icarus.2017.08.028
Abstract: Abstract We report radar observations of near-Earth asteroid (469896) 2005 WC1 that were obtained at Arecibo (2380 MHz, 13 cm) and Goldstone (8560 MHz, 3.5 cm) on 2005 December 14–15 during the asteroid's approach within 0.020 au The asteroid… read more here.
Keywords: earth asteroid; asteroid 469896; radar; 2005 wc1 ... See more keywords
Debiased albedo distribution for Near Earth Objects
Sign Up to like & getrecommendations! Published in 2020 at "Icarus"
DOI: 10.1016/j.icarus.2020.113631
Abstract: Abstract We extend the most recent orbital – absolute magnitude Near Earth Object (NEO) model ( Granvik et al., 2018 ) to provide a statistical description of NEO geometric albedos. Our model is calibrated on… read more here.
Keywords: distribution near; debiased albedo; albedo distribution; near earth ... See more keywords
Space-based pulse laser removal of near-earth small debris
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2020.165898
Abstract: Abstract The aim of this article is to reveal the dynamic response rules of removing near-earth small space debris using space-based pulse laser. A dynamic model of debris deorbit was established by space-based laser irradiation.… read more here.
Keywords: laser; space; earth small; space based ... See more keywords