AstronomyTentative
Comet 109P/Swift–Tuttle perihelion
expected 2126
expected 2126
—hype
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Comet 109P/Swift–Tuttle perihelion is expected 2126. The exact day has not been announced yet.
Comet 109P/Swift–Tuttle reaches perihelion, its closest point to the Sun at about 0.96 au, in 2126. The parent of the Perseids, on a 133-year orbit; its last perihelion was in December 1992. The date is an estimate until JPL publishes an orbit solution for this return; courtesy NASA/JPL-Caltech (SBDB).
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Last verified Sep 10, 2026
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