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The discovery and characterization of (594913) 'Ayló'chaxnim, a kilometre sized asteroid inside the orbit of Venus

Bolin, Bryce T. (author)
Division of Physics, Mathematics and Astronomy, California Institute of Technology , Pasadena, CA 91125, USA; Infrared Processing and Analysis Center, California Institute of Technology, Pasadena, CA 91125, USA
Ahumada, T. (author)
Department of Astronomy, University of Maryland , College Park, MD 20740, USA
van Dokkum, P. (author)
Department of Astronomy, Yale University , New Haven, CT 06511, USA
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Fremling, C. (author)
Division of Physics, Mathematics and Astronomy, California Institute of Technology , Pasadena, CA 91125, USA
Granvik, Mikael (author)
Luleå tekniska universitet,Rymdteknik,Department of Physics, University of Helsinki , FI-00560, Helsinki, Finland
Hardegree-Ullman, K. K. (author)
Steward Observatory, University of Arizona , Tucson, AZ 85721, USA
Harikane, Y. (author)
Institute for Cosmic Ray Research, The University of Tokyo Kashiwa , Chiba 277-8582, Japan; National Astronomical Observatory of Japan, Tokyo, 181-8588, Japan
Purdum, J. N. (author)
Caltech Optical Observatory, California Institute of Technology , Pasadena, CA 91125, USA
Serabyn, E. (author)
Jet Propulsion Laboratory, California Institute of Technology , Pasadena, CA 91109, USA
Southworth, J. (author)
Astrophysical Research Institute, Liverpool John Moores University , Liverpool L2 2QP, UK
Zhai, C. (author)
Jet Propulsion Laboratory, California Institute of Technology , Pasadena, CA 91109, USA
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 (creator_code:org_t)
2022-08-13
2022
English.
In: Monthly notices of the Royal Astronomical Society. Letters. - : Oxford University Press. - 1745-3925 .- 1745-3933. ; 517:1, s. L49-L54
Related links:
https://urn.kb.se/re...
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https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Near-Earth asteroid population models predict the existence of bodies located inside the orbit of Venus. Despite searches up to the end of 2019, none had been found. We report discovery and follow-up observations of (594913) 'Ayló'chaxnim, an asteroid with an orbit entirely interior to Venus. (594913) 'Ayló'chaxnim has an aphelion distance of ∼0.65 au, is ∼2 km in diameter and is red in colour. The detection of such a large asteroid inside the orbit of Venus is surprising given their rarity according to near-Earth asteroid population models. As the first officially numbered and named asteroid located entirely within the orbit of Venus, we propose that the class of interior to Venus asteroids be referred to as 'Ayló'chaxnim asteroids.

Subject headings

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Keyword

minor planets
asteroids: general
Onboard space systems
Rymdtekniska system

Publication and Content Type

ref (subject category)
art (subject category)

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