Results 1 to 10 of about 169 (169)
Capturing near earth objects [PDF]
22 pages, 6 figures, accepted for publication in Research in Astronomy and Astrophysics (Chinese Journal of Astronomy and Astrophysics)
Yang Chen, Junfeng Li, Hexi Baoyin
openaire +3 more sources
Unconfirmed Near-Earth Objects [PDF]
Abstract We studied the Near-Earth Asteroid (NEA) candidates posted on the Minor Planet Center’s Near-Earth Object Confirmation Page (NEOCP) between years 2013 and 2016. Out of more than 17000 NEA candidates, while the majority became either new discoveries or were associated with previously known objects, about 11% were unable to be ...
Peter Vereš+6 more
openaire +4 more sources
Spitzer Albedos of Near-Earth Objects [PDF]
Abstract Thermal infrared observations are the most effective way to measure asteroid diameter and albedo for a large number of near-Earth objects (NEOs). Major surveys like NEOWISE, NEOSurvey, ExploreNEOs, and NEOLegacy find a small fraction of high albedo objects that do not have clear analogs in the current meteorite population. About
Annika Gustafsson+8 more
openaire +4 more sources
Comets in the near-Earth object population [PDF]
Abstract Because the lifespan of near-Earth objects (NEOs) is shorter than the age of the Solar System, these objects originate elsewhere. Their most likely sources are the main asteroid belt and comets. Through physical observations we seek to identify potential dormant or extinct comets among “asteroids” catalogued as NEOs and thereby determine the
Demeo, Francesca E., Binzel, Richard P.
openaire +3 more sources
Photometric survey of 67 near-Earth objects [PDF]
Context. The near-Earth object (NEO) population is a window into the original conditions of the protosolar nebula, and has the potential to provide a key pathway for the delivery of water and organics to the early Earth. In addition to delivering the crucial ingredients for life, NEOs can pose a serious hazard to humanity since they can impact the ...
Roberto Speziali+12 more
openaire +8 more sources
Infrared Light Curves of Near-Earth Objects [PDF]
Abstract We present light curves and derive periods and amplitudes for a subset of 38 near-Earth objects (NEOs) observed at 4.5 μm with the IRAC camera on the the Spitzer Space Telescope, many of them having no previously reported rotation periods. This subset was chosen from about 1800 IRAC NEO observations as having obvious periodicity
Howard A. Smith+13 more
openaire +5 more sources
Extended photometric survey of near-Earth objects [PDF]
Context. The near-Earth objects (NEOs), whose proximity makes them the most accessible bodies in the Solar System, allow us to sample asteroids from tens of kilometers down to objects of a few meters in size. However, while the physical properties for the largest bodies are mostly known, we have very little physical information regarding the small NEOs.
I. Bertini+11 more
openaire +2 more sources
The Near-Earth Object Surveyor Mission
Abstract The Near-Earth Object (NEO) Surveyor mission is a NASA Observatory designed to discover and characterize asteroids and comets. The mission’s primary objective is to find the majority of objects large enough to cause severe regional impact damage (>140 m in effective spherical diameter) within its 5 yr baseline survey ...
Mainzer, A. K.+36 more
openaire +4 more sources
Identifying near-Earth object families
The study of asteroid families has provided tremendous insight into the forces that sculpted the main belt and continue to drive the collisional and dynamical evolution of asteroids. The identification of asteroid families within the NEO population could provide a similar boon to studies of their formation and interiors.
Hai Fu+4 more
openaire +3 more sources
Searching for the first near-Earth object family [PDF]
We report on our search for genetically related asteroids amongst the near-Earth object (NEO) population - families of NEOs akin to the well known main belt asteroid families. We used the technique proposed by Fu et al. (2005) supplemented with a detailed analysis of the statistical significance of the detected clusters. Their significance was assessed
Robert Jedicke+6 more
openaire +4 more sources