343158 Marsyas
near-Earth asteroid
343158 Marsyas (provisional designation: 2009 HC82) is an asteroid on a retrograde orbit, classified as a large near-Earth object of the Apollo group. It may be an extinct comet or damocloid asteroid. The asteroid was discovered on 29 April 2009, by astronomers with the Catalina Sky Survey at the Catalina Station near Tucson, Arizona, in the United States. Approximately 2 kilometers (1.2 miles) in diameter, it makes many close approaches to Earth, Venus, and Mars at a very high relative velocity. It was named after the satyr Marsyas from Greek mythology.
Classification and orbit
Marsyas was initially listed as a potentially hazardous asteroid. It was removed from the Sentry Risk Table on 6 May 2009. It orbits the Sun at a distance of 0.49–4.6 AU once every 4.02 years (1,467 days; semi-major axis of 2.53 AU). Its orbit has an eccentricity of 0.81 and an inclination of 154° with respect to the ecliptic.
Retrograde
Marsyas has a retrograde orbit and thus orbits the Sun in the opposite direction of other objects.
“343158 Marsyas” enters the record as near-Earth asteroid. Crown Archives preserves that source wording while asking what Marsyas, near-Earth and asteroid can confirm, complicate or overturn.
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This entry incorporates text from “343158 Marsyas” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.