774 Armor
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774 Armor is a minor planet (specifically an asteroid) orbiting in the main belt. It was discovered on 13 December 1913, in Paris by French astronomer Charles le Morvan and was named after the Celtic region of Armorica.[1] The asteroid is orbiting at a distance of Script error: No such module "val". with a period of Script error: No such module "convert". and an eccentricity of 0.169. The orbital plane is inclined by an angle of 5.56° to the plane of the ecliptic.[2]
In the SMASS-I taxonomy, this is classified as an S-type asteroid.[3] It spans a girth of approximately 50 km.[2] The rotation of this asteroid is commensurate with the length of an Earth day, requiring measurements from more than one latitude for full coverage. Photometric observations from the US and Australia in 2012 provided an estimated rotation period of Script error: No such module "val". with a brightness variation of Script error: No such module "val". in magnitude. This is consistent with the results of an earlier study in 2006.[4]
References
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External links
- Lightcurve plot of 774 Armor, Palmer Divide Observatory, B. D. Warner (2006)
- Asteroid Lightcurve Database (LCDB), query form (info Template:Webarchive)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- Template:AstDys
- Template:PAGENAMEBASE at the JPL Small-Body DatabaseTemplate:EditAtWikidata
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