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It's Official: Voyager 1 Will Break A Cosmic Record, Reaching 1 Light-Day From Earth On November 18, 2026

NASA's Voyager 1 probe is set to become the first human-made object to reach a distance of one light-day from Earth. The spacecraft launched in 1977 and continues to operate 49 years later. This milestone means radio signals will take 24 hours to reach the probe.

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What changed

The exact date for Voyager 1 to reach the one light-day threshold is now confirmed as November 18, 2026.

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  1. Voyager 1 to Reach 1 Light-Day Distance on November 18, 2026

    NASA's Voyager 1 probe is set to become the first human-made object to reach a distance of one light-day from Earth. The spacecraft launched in 1977 and continues to operate 49 years later. This milestone means radio signals will take 24 hours to reach the probe.

    What's confirmed:

    • Voyager 1 will be one light-day from Earth on November 18, 2026.
    • Voyager 1 is the most distant human-made object from Earth.
    • The probe launched on September 5, 1977.
    • A radio signal will take 24 hours to reach the probe in November 2026.
    • As of March 2026, Voyager 1 was at a distance of 172.59 AU.
    confidence 100%