The ESA Hera mission: detailed characterization of the DART impact outcome and of the binary asteroid (65803) Didymos

P Michel, M Küppers, AC Bagatin, B Carry… - The planetary …, 2022 - iopscience.iop.org
Hera is a planetary defense mission under development in the Space Safety and Security
Program of the European Space Agency for launch in 2024 October. It will rendezvous in …

Spacecraft sample collection and subsurface excavation of asteroid (101955) Bennu

DS Lauretta, CD Adam, AJ Allen, RL Ballouz… - Science, 2022 - science.org
Carbonaceous asteroids, such as (101955) Bennu, preserve material from the early Solar
System, including volatile compounds and organic molecules. We report spacecraft imaging …

Lucy mission to the Trojan asteroids: science goals

HF Levison, CB Olkin, KS Noll, S Marchi… - The Planetary …, 2021 - iopscience.iop.org
Abstract The Lucy Mission is a NASA Discovery-class mission to send a highly capable and
robust spacecraft to investigate seven primitive bodies near both the L 4 and L 5 Lagrange …

Asteroid (101955) Bennu's weak boulders and thermally anomalous equator

B Rozitis, AJ Ryan, JP Emery, PR Christensen… - Science …, 2020 - science.org
Thermal inertia and surface roughness are proxies for the physical characteristics of
planetary surfaces. Global maps of these two properties distinguish the boulder population …

Asteroid (101955) Bennu in the laboratory: Properties of the sample collected by OSIRIS‐REx

DS Lauretta, HC Connolly Jr… - … & Planetary Science, 2024 - Wiley Online Library
Abstract On September 24, 2023, NASA's OSIRIS‐REx mission dropped a capsule to Earth
containing~ 120 g of pristine carbonaceous regolith from Bennu. We describe the delivery …

Fine-regolith production on asteroids controlled by rock porosity

S Cambioni, M Delbo, G Poggiali, C Avdellidou… - Nature, 2021 - nature.com
Spacecraft missions have observed regolith blankets of unconsolidated subcentimetre
particles on stony asteroids,–. Telescopic data have suggested the presence of regolith …

Bright carbonate veins on asteroid (101955) Bennu: Implications for aqueous alteration history

HH Kaplan, DS Lauretta, AA Simon, VE Hamilton… - Science, 2020 - science.org
INTRODUCTION Carbonaceous asteroids formed early in Solar System history and
experienced varying degrees of aqueous (water-rock) and thermal alteration. Most models …

OSIRIS-APEX: an OSIRIS-REx extended mission to asteroid apophis

DN DellaGiustina, MC Nolan, AT Polit… - The Planetary …, 2023 - iopscience.iop.org
Abstract The Origins, Spectral Interpretation, Resource Identification, and Security–Regolith
Explorer (OSIRIS-REx) spacecraft mission characterized and collected a sample from …

Heterogeneous mass distribution of the rubble-pile asteroid (101955) Bennu

DJ Scheeres, AS French, P Tricarico, SR Chesley… - Science …, 2020 - science.org
The gravity field of a small body provides insight into its internal mass distribution. We used
two approaches to measure the gravity field of the rubble-pile asteroid (101955) Bennu:(i) …

Hemispherical differences in the shape and topography of asteroid (101955) Bennu

MG Daly, OS Barnouin, JA Seabrook, J Roberts… - Science …, 2020 - science.org
We investigate the shape of near-Earth asteroid (101955) Bennu by constructing a high-
resolution (20 cm) global digital terrain model from laser altimeter data. By modeling the …