1. Pioneer 10 (1973): First spacecraft to flyby Jupiter.

2. Pioneer 11 (1974): Second spacecraft to flyby Jupiter.

3. Voyager 1 (1979): First spacecraft to take detailed pictures of Jupiter's moons.

4. Voyager 2 (1979): Took more detailed pictures of Jupiter's moons and atmosphere.

5. Ulysses (1992): Studied Jupiter's magnetosphere.

6. Galileo (1995-2003): First spacecraft to orbit Jupiter.

7. Cassini (2000): Flew by Jupiter on its way to Saturn.

8. Juno (2016-present): Currently in orbit around Jupiter, studying its atmosphere and magnetic field.

Note: Some spacecraft, like Cassini, only flew by Jupiter on their way to other destinations, so they don't count as dedicated Jupiter missions.