268 Adorea
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268 Adorea is a very large main belt asteroid, about Template:Cvt in width. It was discovered by Alphonse Borrelly on 8 June 1887 in Marseille. This asteroid is a member of the Themis family[1] and is classified as a primitive carbonaceous F-type/C-type asteroid. It is orbiting the Sun at a distance of Script error: No such module "val". with an orbital eccentricity (ovalness) of 0.14 and a period of Template:Cvt. The orbital plane is tilted at an angle of 2.44° to the plane of the ecliptic.[2]
From 23 February until 2 March 2006, photometric measurements were taken of the asteroid. These were used to produce a light curve showing a rotation period of Script error: No such module "val". with a brightness variation of Script error: No such module "val". in magnitude. This result is consistent with some, but not all previous results. Some studies had suggested a longer rotation period of Script error: No such module "val".; double the time measured. However, the new data is inconsistent with the longer period.[3]
In May 1979, 268 Adorea was positioned in proximity of the galaxy NGC 4517 and as a bright new light source it was identified as a potential supernova. However, the light was missing from a second photographic plate taken ten days later, and the source was soon identified as the asteroid.[4]
The name refers to adorea liba, the Latin name for spelt cakes produced from meal and salt offered by the Romans as a sacrifice; the name was controversial among astronomers, as all previous asteroids had been named for humans or mythological figures.[5][6]
References
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External links
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Data File
- Template:AstDys
- Template:PAGENAMEBASE at the JPL Small-Body DatabaseTemplate:EditAtWikidata
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