194 Prokne
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194 Prokne is a main-belt asteroid that was discovered by German-American astronomer C. H. F. Peters on March 21, 1879, in Clinton, New York, and named after Procne, the sister of Philomela in Greek mythology. Stellar occultations by Prokne have been observed twice, in 1984 from Italy and again in 1999 from Iowa (United States).
Observations from the W. M. Keck Observatory show the asteroid to be around 151 km across, with a size ratio of Script error: No such module "val". between the major and minor axes. For comparison, observations by the IRAS observatory gave a diameter of 164 km.[1] The spectrum matches a classification of a C-type asteroid, indicating it has a primitive carbonaceous composition. Judging from radar data, the near surface solid density of the asteroid is 3.6Script error: No such module "Su". g cm−3.[2]
Based upon a light curve that was generated from photometric observations of this asteroid at Pulkovo Observatory, it has a rotation period of Script error: No such module "val". hours and varies in brightness by Script error: No such module "val". in magnitude.[3]
References
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External links
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