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Asteroid control through surface restructuring
Acta Astronautica, 2021Abstract A novel concept for asteroid orbit control by restructuring asteroid surfaces to manipulate albedo and respective radiation pressure effects is introduced. The method itself is propellant-less allowing for prolonged operation and permitting the adaption and even reversing reflection changes.
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SinGAN-Based Asteroid Surface Image Generation
Journal of Database Management, 2021While it is risky considering spacecraft constraints and unknown environment on asteroid, surface sampling is an important technique for asteroid exploration. One of the sample return missions is to seek an optimal landing site, which may be in hazardous terrain.
Yundong Guo +7 more
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Near-Earth Asteroids: Surface Structure and Shapes
Earth, Moon, and Planets, 1996The available data characterizing surface properties of near-Earth objects have been analyzed and compared with the data of large main belt asteroids. There are no evidences of the existence of solid rock surfaces among near-Earth objects.
I. N. Belskaya +2 more
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The surface properties of asteroids
Advances in Space Research, 2004Abstract The physical characteristics of asteroid surfaces are best defined by direct measurements, few of which currently exist. Thus, inferences from indirect observations must be made. From the limited visible and radar imagery heavy cratering marks the asteroid surfaces and the surfaces are rough at all scales.
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Contact Motion on Surface of Asteroid
Journal of Spacecraft and Rockets, 2014A comprehensive method for modeling the motion of a spherical pod at the surface of an asteroid is presented. Using triangular faceted surfaces, the largest features of the asteroid (global shape, monoliths, and large boulders) are modeled. The presence of smaller rocks is accounted for using a stochastic model of rock generation and collision.
Simon Tardivel +4 more
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Surface Properties of Asteroids
1982From spectrophotometry, polarimetry, IR-radiometry and UBV-photometry surface properties of asteroids are derived, such as:diameters, spectral reflectivity, albedo; based on observable parameters a classification into taxonomic types (Bowell et al.1978) is made and an interpretation in terms of the mineralogy of the surface and meteoritic analogs can ...
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Asteroid-GS: 3D Gaussian splatting for fast surface reconstruction of asteroids
Astronomy & AstrophysicsAsteroid surface reconstruction is essential for deep space exploration missions, as it provides critical information about surface morphology that supports spacecraft navigation and sample acquisition. Traditional methods, such as stereo-photogrammetry (SPG) and stereo-photoclinometry (SPC), have been widely applied in asteroid missions, which often ...
Xiaojie Zhang +3 more
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The Impact Record on Asteroid Surfaces
2001The surfaces of main-belt and near-Earth asteroids have been carved over the age of the solar system by violent collisions with other asteroids. The craters and related features left behind can be used to interpret each asteroid's unique impact history, which depends on several factors: (i) the dynamical and physical properties of the asteroid (e.g ...
W. F. Bottke, R. Greenberg
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Spacecraft to probe Moon, asteroid surfaces
Chemical & Engineering News Archive, 1994Next week, if all goes as planned, a U.S. spacecraft will go into orbit around the Moon. Spacecraft Clementine will begin conducting an unusual dual military-scientific mission that is expected to set a number of "firsts" and to provide a wealth of data about the surface chemical composition and other features of the Moon and a near-Earth asteroid ...
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