Publications (38)
Low-phase spectral reflectance and equivalent geometric albedo of meteorites powders
Pierre Beck, Bernard Schmitt, Sandra Potin +2
The reflectance of a particulate surface depends on the phase angle at which it is observed. This is true for laboratory measurements on powders of natural materials as well as rem…
Northwest Africa 5958: a weakly altered CM-related ungrouped chondrite, not a CI3
Emmanuel Jacquet, Jean-Alix Barrat, Pierre Beck +4
Northwest Africa (NWA) 5958 is a carbonaceous chondrite found in Morocco in 2009. Preliminary chemical and isotopic data leading to its initial classification as C3.0 ungrouped hav…
Composition of Solar System Small Bodies
Pierre Vernazza, Pierre Beck
The aim of the chapter is to summarize our understanding of the compositional distribution across the different reservoirs of small bodies (main belt asteroids, giant planet trojan…
Catastrophic disruption of asteroid 2023 CX1 and implications for planetary defense
Auriane Egal, Denis Vida, François Colas +94
Mitigation of the threat from airbursting asteroids requires an understanding of the potential risk they pose for the ground. How asteroids release their kinetic energy in the atmo…
Planetary Exploration Horizon 2061 Report, Chapter 4: From planetary exploration goals to technology requirements
Jérémie Lasue, Pierre Bousquet, Michel Blanc +19
This chapter reviews for each province and destination of the Solar System the representative space missions that will have to be designed and implemented by 2061 to address the si…
Data-driven guessing and gluing of unstable periodic orbits
Pierre Beck, Jeremy P. Parker, Tobias M. Schneider
Unstable periodic orbits (UPOs) are believed to be the underlying dynamical structures of spatio-temporal chaos and turbulence. Finding these UPOs is however notoriously difficult.…
Was Earth's water acquired locally during the earliest phases of the Solar System formation?
Lise Boitard-Crépeau, Cecilia Ceccarelli, Pierre Beck +2
The origin of the terrestrial water remains debated, as standard Solar System formation models suggest that Earth formed from dry grains, inside the snowline of the Proto-Solar Neb…
Reconceiling the orbital and physical properties of the martian moons
Thomas Ronnet, Pierre Vernazza, Olivier Mousis +5
The origin of Phobos and Deimos is still an open question. Currently, none of the three proposed scenarios for their origin (intact capture of two distinct outer solar system small…
Spectral analogues of Barbarian asteroids among CO and CV chondrites
Max Mahlke, Jolantha Eschrig, Benoit Carry +2
K- and L-type asteroids are considered to be the parent bodies of CV and CO chondrites. Spectral models of L-types invoke an enrichment in CAI with respect to the chondrites in the…
Astrochemical Inheritance of Terrestrial Planets Water from Local Wet Silicates
Lise Boitard-Crépeau, Stefano Pantaleone, Cecilia Ceccarelli +3
The delivery of water to the inner Solar System rocky planets, including Earth, remains debated, as standard models assume that they formed from dry grains, inside the snowline of…
The SuperCam Infrared Spectrometer for the Perseverance Rover of the Mars2020 mission
Thierry Fouchet, Jean-Michel Reess, Franck Montmessin +38
We present the Infrared spectrometer of SuperCam Instrument Suite that enables the Mars 2020 Perseverance Rover to study remotely the Martian mineralogy within the Jezero crater. T…
Identifying recurrent flows in high-dimensional dissipative chaos from low-dimensional embeddings
Pierre Beck, Tobias M. Schneider
Unstable periodic orbits (UPOs) are the non-chaotic, dynamical building blocks of spatio-temporal chaos, motivating a first-principles based theory for turbulence ever since the di…
ASIME 2018 White Paper. In-Space Utilisation of Asteroids: Asteroid Composition -- Answers to Questions from the Asteroid Miners
Amara L. Graps, Angel Abbud-Madrid, Paul Abell +41
In keeping with the Luxembourg government's initiative to support the future use of space resources, ASIME 2018 was held in Belval, Luxembourg on April 16-17, 2018. The goal of ASI…
A 4565 Myr old andesite from an extinct chondritic protoplanet
Jean-Alix Barrat, Marc Chaussidon, Akira Yamaguchi +5
The age of iron meteorites implies that accretion of protoplanets began during the first millions of years of the solar system. Due to the heat generated by 26Al decay, many early…
Spectro-photometry of Phobos simulants: II. Effects of porosity
Antonin Wargnier, Olivier Poch, Giovanni Poggiali +13
Surface porosity has been found to be an important property for small bodies. Some asteroids and comets can exhibit an extremely high surface porosity in the first millimeter layer…
Planetary Exploration Horizon 2061 Report, Chapter 3: From science questions to Solar System exploration
Véronique Dehant, Michel Blanc, Steve Mackwell +31
This chapter of the Planetary Exploration Horizon 2061 Report reviews the way the six key questions about planetary systems, from their origins to the way they work and their habit…
Nanoscale mineralogy and organic structure in Orgueil (CI) and EET 92042 (CR) carbonaceous chondrites studied with AFM-IR spectroscopy
Van T. H. Phan, Rolando Rebois, Pierre Beck +3
Meteorite matrices from primitive chondrites are an interplay of ingredients at the sub-micron scale, which requires analytical techniques with the nanometer spatial resolution to…
Properties of the Nili Fossae Olivine-clay-carbonate lithology: orbital and in situ at SéÃtah
Adrian J. Brown, Linda Kah, Lucia Mandon +31
We examine the observed properties of the Nili Fossae olivine-clay-carbonate lithology from orbital data and in situ by the Mars 2020 rover at the SéÃtah unit in Jezero crater, i…
Aqueous Alteration on Asteroids Simplifies Soluble Organic Matter Mixtures
Junko Isa, François-régis Orthous-Daunay, Pierre Beck +3
Biologically relevant abiotic extraterrestrial soluble organic matter (SOM) has been widely investigated to study the origin of life and the chemical evolution of protoplanetary di…
Timing of thermal metamorphism in CM chondrites: implication for Ryugu and Bennu future sample return
Elsa Amsellem, Frédéric Moynier, Brandon Mahan +1
Carbonaceous chondrites are often considered potential contributors of water and other volatiles to terrestrial planets as most of them contain significant amounts of hydrous miner…
Insight from laboratory measurements on dust in debris discs
Julien Milli, Olivier Poch, Jean-Baptiste Renard +11
Extreme adaptive optics instruments have revealed exquisite details on debris discs, allowing to extract the optical properties of the dust particles such as the phase function, th…
Origins of colors variability among C-cluster main-belt asteroids
Pierre Beck, Olivier Poch
The Sloan Digital Sky Survey provides colors for more than 100 000 moving objects, among which around 10 000 have albedos determined. Here we combined colors and albedo in order to…
Tianwen-2 target asteroid (469219) Kamo'oalewa probably develops an Itokawa-compositional but ultra-highly space-weathered surface
Pengfei Zhang, Guozheng Zhang, Zichen Wei +45
China's Tianwen-2 mission plans to return samples from a small, rapidly spinning Earth quasi-satellite (469219) Kamo'oalewa. Previous studies linked Kamo'oalewa to lunar compositio…
Visible-Infrared spectroscopy of ungrouped and rare meteorites brings further constraints on meteorite-asteroid connections
Lisa Kramër Ruggiu, Pierre Beck, Jérôme Gattacceca +1
Although spectral surveys and spacecraft missions provide information on small bodies, many important analyses can only be performed in terrestrial laboratories. For now, the total…
Reflection, emission, and polarization properties of surfaces made of hyperfine grains, and implications for the nature of primitive small bodies
Robin Sultana, Olivier Poch, Pierre Beck +8
There are various indications that the most primitive small bodies (P, D-type asteroids, comets) have surfaces made of intimate mixtures of opaque minerals and other components (si…
GAUSS -- A Sample Return Mission to Ceres
Xian Shi, Julie Castillo-Rogez, Henry Hsieh +26
The goal of Project GAUSS is to return samples from the dwarf planet Ceres. Ceres is the most accessible ocean world candidate and the largest reservoir of water in the inner solar…
Spectro-photometry of Phobos simulants: I. Detectability of hydrated minerals and organic bands
Antonin Wargnier, Thomas Gautier, Alain Doressoundiram +12
Previous observations of Phobos and Deimos, the moons of Mars, have improved our understanding of these small bodies. However, their formation and composition remain poorly constra…
Identification of a new spectral signature at 3 m over Martian northern high latitudes: implications for surface composition
Aurélien Stcherbinine, Mathieu Vincendon, Franck Montmessin +1
Mars northern polar latitudes are known to harbor an enhanced 3 m spectral signature when observed from orbit. This may indicate a greater amount of surface adsorbed or bound w…
The topology of a chaotic attractor in the Kuramoto-Sivashinsky equation
Marie Abadie, Pierre Beck, Jeremy P. Parker +1
The Birman-Williams theorem gives a connection between the collection of unstable periodic orbits (UPOs) contained within a chaotic attractor and the topology of that attractor, fo…
Spectral reflectance analysis of type 3 carbonaceous chondrites and search for their asteroidal parent bodies
Jolantha Escrig, Lydie Bonal, Pierre Beck +1
Non-differentiated asteroids are among the most primitive objects in our Solar System, having escaped intense heating mechanisms. To help us understand the information contained in…
Identification of Ammonium Salts on Comet 67P/C-G Surface from Infrared VIRTIS/Rosetta Data Based on Laboratory Experiments. Implications and Perspectives
Olivier Poch, Istiqomah Istiqomah, Eric Quirico +29
The nucleus of comet 67P/Churyumov-Gerasimenko exhibits a broad spectral reflectance feature around 3.2 m, which is omnipresent in all spectra of the surface, and whose attribu…
Visible and near-infrared reflectance of hyperfine and hyperporous particulate surfaces
Robin Sultana, Olivier Poch, Pierre Beck +2
The composition of Solar System surfaces can be inferred through reflectance and emission spectroscopy, by comparing these observations to laboratory measurements and radiative tra…
Miller Range 07687 and its place within the CM-CO clan
Trygve Prestgard, Lydie Bonal, Jolantha Eschrig +3
Miller Range (MIL) 07687 is a peculiar carbonaceous chondrite officially classified as a CO3. However, it has been found to display unique petrographic properties that are atypical…
Ghost states underlying spatial and temporal patterns: how non-existing invariant solutions control nonlinear dynamics
Zheng Zheng, Pierre Beck, Tian Yang +3
Close to a saddle-node bifurcation, when two invariant solutions collide and disappear, the behavior of a dynamical system can closely resemble that of a solution which is no longe…
Laboratory simulations of the Vis-NIR spectra of comet 67P using sub-μm sized cosmochemical analogues
Batiste Rousseau, Stéphane Ãrard, Pierre Beck +15
Laboratory spectral measurements of relevant analogue materials were performed in the framework of the Rosetta mission in order to explain the surface spectral properties of comet…
Water abundance at the surface of C-complex main-belt asteroids
Pierre Beck, Jolantha Eschrig, Sandra Potin +4
Recently published space-based observations of main-belt asteroids with the AKARI telescope provide a full description of the 3 μm band, related to the presence of OH bearing mine…
Martian meteorites reflectance and implications for rover missions
Lucia Mandon, Pierre Beck, Cathy Quantin-Nataf +7
In the next decade, two rovers will characterize in situ the mineralogy of rocks on Mars, using for the first time near-infrared reflectance spectrometers: SuperCam onboard the Mar…
A history of violence: insights into post-accretionary heating in carbonaceous chondrites from volatile element abundances, Zn isotopes, and water contents
Brandon Mahan, Frederic Moynier, Pierre Beck +2
Carbonaceous chondrites (CCs) may have been the carriers of water, volatile and moderately volatile elements to Earth. Investigating the abundances of these elements, their relativ…