AstronomyTentative

Comet 46P/Wirtanen perihelion

expected 2029

expected 2029

—hype

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    Comet 46P/Wirtanen perihelion is expected 2029. The exact day has not been announced yet.

    Comet 46P/Wirtanen reaches perihelion, its closest point to the Sun at about 1.06 au, in 2029. A small, active Jupiter-family comet with a 5.4-year period; its 2018 return was bright enough to see with binoculars. The date is an estimate until JPL publishes an orbit solution for this return; courtesy NASA/JPL-Caltech (SBDB).

    The source has announced a date range. An exact day has not been confirmed.

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    Date source

    Computed astronomy

    Last verified Sep 10, 2026

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