activity
20182026
most cited(16) Psyche: A mesosiderite-like asteroid?

66 citations · 383 across the 34 of their papers we have counts for

collaborators

34 papers

astro-ph.EP2026

Unmasking (44) Nysa: Evidence for a trilobate structure

Kate Minker, Anthony Berdeu, Gianluca Li Causi +16

Context. (44) Nysa is one of the largest known E-type asteroids. Light curve inversion models have indicated that it may have an elongated shape commonly found in large binary syst…

astro-ph.EP2026

The spin state of asteroid Apophis and a prediction of its change during the 2029 close encounter with Earth

J. Durech, D. Vokrouhlicky, P. Pravec +23

On April 13, 2029, the asteroid Apophis will pass near Earth at a geocentric distance of about 38,000 km. Numerical models have suggested that the post-encounter spin state will cr…

astro-ph.EP2025★ 1 cited

Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS

Darryl Z. Seligman, Marco Micheli, Davide Farnocchia +44

We report initial observations aimed at the characterization of a third interstellar object. This object, 3I/ATLAS or C/2025 N1 (ATLAS), was discovered on 2025 July 1 UT and has an…

astro-ph.EP2025★ 3 cited

A dynamical dichotomy in large binary asteroids

K. Minker, B. Carry, F. Vachier +20

No less than 15% of large (diameter greater than 140 km) asteroids have satellites. The commonly accepted mechanism for their formation is post-impact reaccumulation. However, the…

astro-ph.EP2025

Snapshot of a new interstellar comet: 3I/ATLAS has a red and featureless spectrum

Cyrielle Opitom, Colin Snodgrass, Emmanuel Jehin +19

The interstellar comet 3I/ATLAS is only the third interstellar object to be discovered. Pre-perihelion measurements provide a unique opportunity to study its activity and compositi…

astro-ph.EP2025★ 2 cited

Asteroid sizes determined with thermophysical model and stellar occultations

A. Choukroun, A. Marciniak, J. Ďurech +165

Context. The sizes of many asteroids, especially slowly rotating, low-amplitude targets, remain poorly constrained due to selection effects. These biases limit the availability of…

astro-ph.EP2025

Shape and spin-state model of tumbling asteroid (319) Leona

J. Ďurech, J. L. Ortiz, M. Ferrais +14

Stellar occultations by asteroids observed from several stations are routinely used to reconstruct the asteroid's sky-plane projections. Together with the asteroid's shape model re…

astro-ph.EP2025★ 19 cited

JWST sighting of decameter main-belt asteroids and view on meteorite sources

Artem Y. Burdanov, Julien de Wit, Miroslav Brož +19

Asteroid discoveries are essential for planetary-defense efforts aiming to prevent impacts with Earth, including the more frequent megaton explosions from decameter impactors. Whil…

astro-ph.EP2025

Cross validation of albedo determination for 1627 Ivar from three different techniques

Elena Selmi, M. Devogèle, J. R. Masiero +10

Near Earth Asteroids are of great interest to the scientific community due to their proximity to Earth, making them both potential hazards and possible targets for future missions,…

astro-ph.EP2024★ 8 cited

The Discovery and Evolution of a Possible New Epoch of Cometary Activity by the Centaur (2060) Chiron

Matthew M. Dobson, Megan E. Schwamb, Alan Fitzsimmons +24

Centaurs are small Solar System objects on chaotic orbits in the giant planet region, forming an evolutionary continuum with the Kuiper belt objects and Jupiter-family comets. Some…

astro-ph.EP2024★ 13 cited

Aperture photometry on asteroid trails: detection of the fastest rotating near-Earth object

Maxime Devogèle, Luca Buzzi, Marco Micheli +9

Context. Near-Earth objects (NEOs) on an impact course with Earth can move at high angular speed. Understanding their properties, including rotation state, is crucial for assessing…

astro-ph.EP2023★ 1 cited

Photometry of the Didymos system across the DART impact apparition

Nicholas Moskovitz, Cristina Thomas, Petr Pravec +78

On 26 September 2022, the Double Asteroid Redirection Test (DART) spacecraft impacted Dimorphos, the satellite of binary near-Earth asteroid (65803) Didymos. This demonstrated the…

astro-ph.EP2023★ 11 cited

Scaling slowly rotating asteroids by stellar occultations

A. Marciniak, J. Ďurech, A. Choukroun +176

As evidenced by recent survey results, majority of asteroids are slow rotators (P>12 h), but lack spin and shape models due to selection bias. This bias is skewing our overall unde…

astro-ph.EP2023

Multicolor Photometry of Tiny Near-Earth Asteroid 2015 RN Across a Wide Range of Phase Angles: Possible Mission Accessible A-type Asteroid

Jin Beniyama, Ryou Ohsawa, Chrysa Avdellidou +10

Studying small near-Earth asteroids is important to understand their dynamical histories and origins as well as to mitigate the damage of the asteroid impact to the Earth. We repor…

astro-ph.EP2023★ 1 cited

Close-to-fission dumbbell Jupiter-Trojan (17365) Thymbraeus

B. Carry, P. Descamps, M. Ferrais +11

Every population of small bodies in the Solar system contains a sizable fraction of multiple systems. Among these, the Jupiter Trojans have the lowest number of known binary system…

astro-ph.EP2023★ 9 cited

An advanced multipole model of the (130) Elektra quadruple system

M. Fuksa, M. Brož, J. Hanuš +3

The Ch-type asteroid (130) Elektra is orbited by three moons, making it the first quadruple system in the main asteroid belt. We aim to characterise the irregular shape of Elektra…

astro-ph.EP2023★ 2 cited

2021 occultations and transits of Linus orbiting (22) Kalliope: I. Polygonal and `cliptracing' algorithm

M. Brož, J. Ďurech, M. Ferrais +10

The satellite Linus orbiting the main-belt asteroid (22) Kalliope exhibited occultation and transit events in late 2021. A photometric campaign was organized and observations were…

astro-ph.EP2023

Implications for the Formation of 2005 UD from a New Convex Shape Model

Jay K. Kueny, Colin Orion Chandler, Maxime Devogèle +15

(155140) 2005 UD has a similar orbit to (3200) Phaethon, an active asteroid in a highly eccentric orbit thought to be the source of the Geminid meteor shower. Evidence points to a…

astro-ph.EP2022★ 5 cited

The equilibrium shape of (65) Cybele: primordial or relic of a large impact?

M. Marsset, M. Brož, J. Vermersch +24

Cybele asteroids constitute an appealing reservoir of primitive material genetically linked to the outer Solar System, and the physical properties of the largest members can be rea…

astro-ph.EP2022

Spectral evolution of dark asteroid surfaces induced by space weathering over a decade

Sunao Hasegawa, Francesca E. DeMeo, Michael Marsset +20

The surface of airless bodies like asteroids in the Solar System are known to be affected by space weathering. Experiments simulating space weathering are essential for studying th…

astro-ph.EP2022★ 10 cited

Discovery of an asteroid family linked to (22) Kalliope and its moon Linus

M. Brož, M. Ferrais, P. Vernazza +2

According to adaptive-optics observations by Ferrais et al., (22) Kalliope is a 150-km, dense and differentiated body. Here, we interpret (22) Kalliope in the context of bodies in…

astro-ph.EP2021★ 16 cited

Properties of slowly rotating asteroids from the Convex Inversion Thermophysical Model

A. Marciniak, J. Ďurech, V. Alí-Lagoa +73

Results from the TESS mission showed that previous studies strngly underestimated the number of slow rotators, revealing the importance of studying those asteroids. For most slowly…

astro-ph.EP2021★ 29 cited

(216) Kleopatra, a low density critically rotating M-type asteroid

F. Marchis, L. Jorda, P. Vernazza +36

Context. The recent estimates of the 3D shape of the M/Xe-type triple asteroid system (216) Kleopatra indicated a density of 5 g.cm. Such a high density implies a high metal…

astro-ph.EP2021★ 23 cited

An advanced multipole model for (216) Kleopatra triple system

M. Brož, F. Marchis, L. Jorda +37

To interpret adaptive-optics observations of (216) Kleopatra, we need to describe an evolution of multiple moons, orbiting an extremely irregular body and including their mutual in…