Astronomy

Asteroid 2021 PT close approach

5090dage

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    Event time shown in UTC. The countdown follows the same moment worldwide.

    About this moment

    There are 5,090 days until Asteroid 2021 PT close approach, on Friday, 24 August 2040.

    Asteroid 2021 PT passes about 614,604 km from Earth (1.6 lunar distances) at 19:02 UTC on 24 August 2040, according to JPL CNEOS close-approach data. It approaches at 7.9 km/s relative to Earth and has an absolute magnitude of 21.9, which suggests a diameter of 110 m to 250 m. Courtesy NASA/JPL-Caltech.

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    Computed astronomy

    Last verified Sep 10, 2026

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