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Open AccessBounds on energy and angular momentum loss in the full n-body problem
A new bound on the amended potential in an n-body system is derived and applied to the partitioning of energy and angular momentum in a disrupting gravitational aggregate. This result provides analytic insight in...
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Article
Author Correction: Shape of (101955) Bennu indicative of a rubble pile with internal stiffness
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
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Article
Disassociation energies for the finite-density N-body problem
This paper considers the energy required for collections of finite-density bodies to undergo escape under internal gravitational interactions alone. As the level of the system energy is increased, there are di...
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Article
Small Solar System Bodies as granular media
Asteroids and other Small Solar System Bodies (SSSBs) are of high general and scientific interest in many aspects. The origin, formation, and evolution of our Solar System (and other planetary systems) can be ...
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Article
Publisher Correction: Craters, boulders and regolith of (101955) Bennu indicative of an old and dynamic surface
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
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Article
Craters, boulders and regolith of (101955) Bennu indicative of an old and dynamic surface
Small, kilometre-sized near-Earth asteroids are expected to have young and frequently refreshed surfaces for two reasons: collisional disruptions are frequent in the main asteroid belt where they originate, an...
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Article
The unexpected surface of asteroid (101955) Bennu
NASA’S Origins, Spectral Interpretation, Resource Identification and Security-Regolith Explorer (OSIRIS-REx) spacecraft recently arrived at the near-Earth asteroid (101955) Bennu, a primitive body that represe...
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Article
The dynamic geophysical environment of (101955) Bennu based on OSIRIS-REx measurements
The top-shaped morphology characteristic of asteroid (101955) Bennu, often found among fast-spinning asteroids and binary asteroid primaries, may have contributed substantially to binary asteroid formation. Ye...
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Article
Shape of (101955) Bennu indicative of a rubble pile with internal stiffness
The shapes of asteroids reflect interplay between their interior properties and the processes responsible for their formation and evolution as they journey through the Solar System. Prior to the OSIRIS-REx (Or...
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Article
Open AccessThe operational environment and rotational acceleration of asteroid (101955) Bennu from OSIRIS-REx observations
During its approach to asteroid (101955) Bennu, NASA’s Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer (OSIRIS-REx) spacecraft surveyed Bennu’s immediate environment, ...
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Article
Correction to: Stability of the Euler resting N-body relative equilibria
Due to an error in a supporting algorithm used in writing the paper there was an incorrect conclusion given which is corrected here.
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Article
Stability of the Euler resting N-body relative equilibria
The stability of a system of N equal-sized mutually gravitating spheres resting on each other in a straight line and rotating in inertial space is considered. This is a generalization of the “Euler Resting” confi...
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Article
A Radial Axial-symmetric Intermediary Model for the Roto-orbital Motion
We study the roto-orbital dynamics of a uniform sphere and a body with axial symmetry by means of a radial intermediary, which defines an integrable system. Numerical comparisons of the MacCullagh’s truncation...
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Article
The OSIRIS-REx Radio Science Experiment at Bennu
The OSIRIS-REx mission will conduct a Radio Science investigation of the asteroid Bennu with a primary goal of estimating the mass and gravity field of the asteroid. The spacecraft will conduct proximity opera...
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Article
OSIRIS-REx: Sample Return from Asteroid (101955) Bennu
In May of 2011, NASA selected the Origins, Spectral Interpretation, Resource Identification, and Security–Regolith Explorer (OSIRIS-REx) asteroid sample return mission as the third mission in the New Frontiers pr...
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Article
Constraints on bounded motion and mutual escape for the full 3-body problem
When gravitational aggregates are spun to fission they can undergo complex dynamical evolution, including escape and reconfiguration. Previous work has shown that a simple analysis of the full 2-body problem p...
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Article
Open AccessRelative Equilibria in the Spherical, Finite Density Three-Body Problem
The relative equilibria for the spherical, finite density three-body problem are identified. Specifically, there are 28 distinct relative equilibria in this problem which include the classical five relative eq...
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Article
The lift-off velocity on the surface of an arbitrary body
An expression is developed for the velocity at which a particle, moving tangentially on the surface of a body with an arbitrary shape, rotation, and gravitational field, will lift off from that surface and ent...
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Article
Averaging analyses for spacecraft orbital motions around asteroids
This paper summarizes a few cases of spacecraft orbital motion around asteroid for which averaging method can be applied, i.e., when central body rotates slowly, fast, and when a spacecraft is near to the reso...
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Article
Small body surface gravity fields via spherical harmonic expansions
Conventional gravity field expressions are derived from Laplace’s equation, the result being the spherical harmonic gravity field. This gravity field is said to be the exterior spherical harmonic gravity field...
