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    Ikeya-Seki, Comet (C/1965 S1)

    Comet Ikeya-Seki
    A member of the Kreutz family of sun-grazing comets that was visible in broad daylight during October 1965 and displayed a tail 60° long at maximum; its nucleus split into three parts at perihelion. It was discovered independently in September 1965 by the Japanese amateur astronomers Kaoru Ikeya (1943-) and Tsutomu Seki (1930-).


    Visual magnitude -10 (max.)
    Perihelion 0.008 AU (1.2 million km)
    Eccentricity 0.9999
    Inclination 141.9°
    Period 880 years


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