397 Vienna
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397 Vienna is a typical Main belt asteroid. It was discovered by French astronomer Auguste Charlois on 19 December 1894 in Nice. It was most likely named after the city of Vienna, Austria.[1] This object is orbiting the Sun at a distance of Script error: No such module "val". with an orbital eccentricity (ovalness) of 0.246 and a period of Template:Cvt. The orbital plane is inclined at an angle of 12.85° to the ecliptic.[2]
Photometric observations from multiple sites during 2017 were combined to produce an irregular light curve showing a rotation period of Script error: No such module "val". with a luminosity amplitude of Script error: No such module "val". in magnitude. This result is consistent with previous measurements.[3] The Tholen spectral type of this object is S and the SMASSII spectral type is K. Although the 'S' class suggests a stony composition, the latter class is consistent with carbonaceous chondrite meteorites.[4] Infrared observations from NEOWISE indicate a diameter of Script error: No such module "val"..[2]
References
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External links
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