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Top 5 planets with the longest year (orbital period)

evergreen

The 5 planets with the longest year (orbital period) by orbital period: Neptune, Uranus, Saturn, Jupiter, Mars.

Snapshot · 2026-09-23

Today's five picks, one great list, and today's game. Free, every evening.

  1. 1

    Neptune

    ~165 Earth years

  2. 2

    Uranus

    ~84 Earth years

  3. 3

    Saturn

    ~29.5 Earth years

  4. 4

    Jupiter

    ~11.9 Earth years

  5. 5

    Mars

    ~1.88 Earth years