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    NASA · Flyby / Deep space

    Voyager 2

    The only spacecraft to have visited Uranus and Neptune, completing the 'Grand Tour' of all four giant planets before entering interstellar space in 2018.

    ActiveOperating in interstellar space with a reduced set of instruments.

    Launch date

    1977-08-20

    Destination

    Interstellar space

    Agencies

    NASA

    Objectives

    • Flybys of Jupiter, Saturn, Uranus and Neptune
    • Study the heliosphere boundary

    Spacecraft

    Identical in design to Voyager 1

    Scientific instruments and systems

    • Magnetometer
    • Plasma science
    • Plasma wave and charged-particle instruments

    Timeline

    1. 1977-08-20Launch
    2. 1979-07-09Jupiter flyby
    3. 1981-08-25Saturn flyby
    4. 1986-01-24Uranus flyby — the only visit to date
    5. 1989-08-25Neptune flyby — the only visit to date
    6. 2018-11-05Crossed the heliopause

    Major achievements

    • Discovered 10 moons of Uranus and imaged Neptune's Great Dark Spot
    • Only spacecraft to visit all four giant planets

    Status reviewed 2026-10-23. For official images and the latest updates, visit the agency pages listed under Sources.