AstronomyTentative

Comet 109P/Swift–Tuttle perihelion

expected 2126

expected 2126

—hype

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    Photo: Martin Mark · CC BY-SA 4.0 · via Wikimedia Commons

    About this moment

    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).

    This listing uses an approximate period. An exact day has not been confirmed.

    Where
    Worldwide
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    Date source

    Computed astronomy

    Source last checked Oct 10, 2026

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