Refinement of the convex shape model and tumbling spin state of (99942) Apophis using the 2020–2021 apparition data
HJ Lee, MJ Kim, A Marciniak, DH Kim… - Astronomy & …, 2022 - aanda.org
Context. The close approach of the near-Earth asteroid (99942) Apophis to Earth in 2029
will provide a unique opportunity to examine how the physical properties of the asteroid …
will provide a unique opportunity to examine how the physical properties of the asteroid …
Shaking and Tumbling: Short-and Long-timescale Mechanisms for Resurfacing of Near-Earth Asteroid Surfaces from Planetary Tides and Predictions for the 2029 …
RL Ballouz, H Agrusa, OS Barnouin… - The Planetary …, 2024 - iopscience.iop.org
Spectral characterization of near-Earth asteroids (NEAs) has revealed a continuum of space-
weathered states for the surfaces of S-complex NEAs, with Q-class NEAs, an S-complex …
weathered states for the surfaces of S-complex NEAs, with Q-class NEAs, an S-complex …
[HTML][HTML] Initial Trajectory Assessment of a low-thrust option for the RAMSES Mission to (99942) Apophis
Apophis is a potentially hazardous asteroid that will closely approach the Earth on April 13,
2029. Although the likelihood of an impact has been ruled out, this close encounter …
2029. Although the likelihood of an impact has been ruled out, this close encounter …
The dynamical structure of a hypothetical disc of particles around the asteroid 99942 Apophis
The asteroid 99942 Apophis is a Near Earth Asteroid, which was just recently removed from
the Potentially Hazardous Asteroids list, since there is no risk of collision with the Earth for …
the Potentially Hazardous Asteroids list, since there is no risk of collision with the Earth for …
2001 SN263 – the contribution of their irregular shapes on the neighbourhood dynamics
The first proposed Brazilian mission to deep space, the ASTER mission, has the triple
asteroid system (153591) 2001 SN263 as a target. One of the mission's main goals is to …
asteroid system (153591) 2001 SN263 as a target. One of the mission's main goals is to …
Apophis: may a meteor activity happen on Earth after the 2029 closest approach?
The potentially hazardous asteroid 99942 Apophis will have a very close approach to the
Earth in 2029. The encounter on its own may provide measurements of Earth's effects on …
Earth in 2029. The encounter on its own may provide measurements of Earth's effects on …
Constraining the interiors of asteroids through close encounters
JT Dinsmore, J de Wit - Monthly Notices of the Royal …, 2023 - academic.oup.com
Knowledge of the interior density distribution of an asteroid can reveal its composition and
constrain its evolutionary history. However, most asteroid observational techniques are not …
constrain its evolutionary history. However, most asteroid observational techniques are not …
Uncertainty Propagation Performance in Proximity Operations Around Small Bodies
Close-proximity exploration of small celestial bodies is crucial for the comprehensive and
accurate characterization of their properties. However, the complex and uncertain dynamical …
accurate characterization of their properties. However, the complex and uncertain dynamical …
Evaluation and visualization of a rectangle's gravity on its surface, and on spheres inside, outside, or intersecting it
W Hu, T Fu, Y Wang - Frontiers in Space Technologies, 2024 - frontiersin.org
For convenient comparison and clear physical meaning, the gravity on the surface of a
homogeneous cube and on spheres inside, outside, and intersecting about it is calculated …
homogeneous cube and on spheres inside, outside, and intersecting about it is calculated …
Comparison of uncertainty propagation techniques in small-body environment
Close-proximity exploration of small celestial bodies is crucial for the comprehensive and
accurate characterization of their properties. However, the complex and uncertain dynamical …
accurate characterization of their properties. However, the complex and uncertain dynamical …