English
Related papers

Related papers: Using the chi-square test to compare asteroid and …

200 papers

The composition of Solar System surfaces can be inferred through reflectance and emission spectroscopy, by comparing these observations to laboratory measurements and radiative transfer models. While several populations of objects appear to…

Earth and Planetary Astrophysics · Physics 2020-11-02 Robin Sultana , Olivier Poch , Pierre Beck , Bernard Schmitt , Eric Quirico

Observational searches for asteroids orbiting near Earth's triangular Lagrange points face unique obstacles. A population of such asteroids would occupy a large projected area on the sky (possibly hundreds of square degrees) and is not…

Astrophysics · Physics 2009-10-31 Paul Wiegert , Kimmo Innanen , Seppo Mikkola

This work updates and expands on results of our long-term radar-driven observational campaign of main-belt asteroids (MBAs) focused on Bus-DeMeo Xc- and Xk-type objects (Tholen X and M class asteroids) using the Arecibo radar and NASA…

Earth and Planetary Astrophysics · Physics 2014-07-04 J. R. Neeley , B. E. Clark , M. E. Ockert-Bell , M. K. Shepard , J. Conklin , E. A. Cloutis , S. Fornasier , S. J. Bus

The reflectance of water ice and dust mixtures depends, amongst other parameters, on how the components are mixed (e.g. intimate mixture, areal mixture or coating) (Clark et al. 1999). Therefore, when inverting the reflectance spectra…

Earth and Planetary Astrophysics · Physics 2022-07-29 Zuriñe Yoldi , Antoine Pommerol , Olivier Poch , Nicolas Thomas

Mars was second to Jupiter in being recognized as the host of a population of Trojan minor bodies. Since 1990, five asteroids - 5261 Eureka, (101429) 1998 VF31, (121514) 1999 UJ7, 2001 DH47 and (311999) 2007 NS2 - have been identified as…

Earth and Planetary Astrophysics · Physics 2013-05-28 C. de la Fuente Marcos , R. de la Fuente Marcos

The Planetary Fourier Spectrometer (PFS) onboard Mars Express (MEx) is the instrument with the highest spectral resolution observing Mars from orbit since January 2004. It permits studying the atmospheric structure, major and minor…

Instrumentation and Methods for Astrophysics · Physics 2014-02-19 F. Schmidt , I. Shatalina , M. Kowalski , N. Gac , B. Saggin , M. Giuranna

With a total mass similar to the main asteroid belt, the Jovian Trojan asteroids are a major feature in the solar system. Based upon the thermal infrared spectra of the largest Trojans obtained with the Spitzer space telescope, Emery et al.…

Earth and Planetary Astrophysics · Physics 2015-06-12 Bin Yang , Paul Lucey , Timothy Glotch

Determining the source regions of meteorites is one of the major goals of current research in planetary science. Whereas asteroid observations are currently unable to pinpoint the source regions of most meteorite classes, observations of…

Erg Chech 002 is an andesitic meteorite that formed early in the Solar System's history, and that is thought to have been formed in the primitive crust of an early accreted and differentiated planetesimal. It shows unique spectral features,…

Earth and Planetary Astrophysics · Physics 2026-03-26 M. Galinier , C. Avdellidou , M. Delbo , L. Galluccio

Distance correlation has gained much recent attention in the data science community: the sample statistic is straightforward to compute and asymptotically equals zero if and only if independence, making it an ideal choice to discover any…

Machine Learning · Statistics 2024-06-27 Cencheng Shen , Sambit Panda , Joshua T. Vogelstein

The detection of Earth-like planets, exocomets or Kuiper belts show that the different components found in the solar system should also be present in other planetary systems. Trojans are one of these components and can be considered fossils…

Earth and Planetary Astrophysics · Physics 2018-01-24 J. Lillo-Box , D. Barrado , P. Figueira , A. Leleu , N. C. Santos , A. C. M. Correia , P. Robutel , J. P. Faria

Methods to constrain the surface mineralogy of asteroids have seen considerable development during the last decade with advancement in laboratory spectral calibrations and validation of our interpretive methodologies by spacecraft…

Earth and Planetary Astrophysics · Physics 2016-08-31 Vishnu Reddy , Tasha L. Dunn , Cristina A. Thomas , Nicholas A. Moskovitz , Thomas H. Burbine

The Red Planet has fascinated humans for millennia, especially for the last few centuries, and particularly during the Space Age. The nagging suspicion of extant Martian life is both fed by, and drives the many space missions to Mars and…

Instrumentation and Methods for Astrophysics · Physics 2020-08-14 Robert Hunt

Exploration of asteroids and comets can give insight into the origins of the solar system and can be instrumental in planetary defence and in-situ resource utilization (ISRU). Asteroids, due to their low gravity are a challenging target for…

Robotics · Computer Science 2017-09-12 Himangshu Kalita , Erik Asphaug , Stephen Schwartz , Jekanthan Thangavelautham

This paper shows the application of autonomous Crater Detection using the U-Net, a Fully-Convolutional Neural Network, on Ceres. The U-Net is trained on optical images of the Moon Global Morphology Mosaic based on data collected by the LRO…

Computer Vision and Pattern Recognition · Computer Science 2023-02-08 Francesco Latorre , Dario Spiller , Fabio Curti

We have studied several field geotechnical test instruments for their applicability to lunar soil simulants and analog soils. Their performance was evaluated in a series of tests in lunar simulants JSC-1A, NU-LHT-2M, and CHENOBI each…

Earth and Planetary Astrophysics · Physics 2023-06-05 Laila A. Rahmatian , Philip T. Metzger

The principal goal of the NASA Terrestrial Planet Finder (TPF) and ESA Darwin mission concepts is to directly detect and characterize extrasolar terrestrial (Earth-sized) planets. This first generation of instruments is expected to provide…

The lunar Cherenkov technique is a method to use radio-telescopes to detect ultra-high energy cosmic rays (CR) and neutrinos ($\nu$). By observing the short-duration ($\sim$few nanosecond) pulses of coherent Cherenkov radiation emitted from…

High Energy Astrophysical Phenomena · Physics 2009-07-27 C. W. James , R. D. Ekers , C. J. Philips , R. J. Protheroe , P. Roberts , R. A. Robinson , J. Alvarez-Muñiz , J. D. Bray

The Planck mission, originally devised for cosmological studies, offers the opportunity to observe Solar System objects at millimetric and submillimetric wavelengths. We concentrate in this paper on the asteroids of the Main Belt. We intend…

Astrophysics · Physics 2009-11-07 G. Cremonese , F. Marzari , C. Burigana , M. Maris

All airless bodies are subject to the space environment, and spectral differences between asteroids and meteorites suggest many asteroids become weathered on very short (<1My) timescales. The spectra of some asteroids, particularly Q-types,…

Earth and Planetary Astrophysics · Physics 2015-06-17 Francesca E. DeMeo , Richard P. Binzel , Matthew Lockhart
‹ Prev 1 3 4 5 6 7 10 Next ›