Inner Solar System:
* Mercury:
* Mariner 10 (flyby)
* MESSENGER (orbiter)
* Venus:
* Mariner 2 (flyby)
* Venera series (landers)
* Magellan (orbiter)
* Akatsuki (orbiter)
* Earth: (Obviously!) Many, many missions, including the International Space Station, Hubble Space Telescope, and numerous satellites.
* Mars:
* Mariner 4 (flyby)
* Viking 1 and 2 (landers)
* Mars Pathfinder (lander with rover)
* Spirit and Opportunity rovers
* Curiosity rover
* Perseverance rover
* InSight lander
* Numerous orbiters (e.g., Mars Odyssey, Mars Reconnaissance Orbiter)
Outer Solar System:
* Jupiter:
* Pioneer 10 and 11 (flybys)
* Voyager 1 and 2 (flybys)
* Ulysses (flyby)
* Galileo (orbiter and probe)
* Juno (orbiter)
* Saturn:
* Pioneer 11 (flyby)
* Voyager 1 and 2 (flybys)
* Cassini (orbiter and probe)
* Uranus:
* Voyager 2 (flyby)
* Neptune:
* Voyager 2 (flyby)
Other notable missions:
* Pluto:
* New Horizons (flyby)
* Asteroids: Many missions have flown by or landed on asteroids, including:
* Hayabusa and Hayabusa2 (returned samples)
* Dawn (orbiter of Vesta and Ceres)
Future Missions:
* There are numerous planned missions to explore more of our solar system, including:
* Europa Clipper (Jupiter's moon Europa)
* Dragonfly (Saturn's moon Titan)
* JUICE (Jupiter's moons)
* A mission to Venus (potential landing)
This list is not exhaustive, and many other spacecraft have flown by or orbited these planets.
