Interstellar space probe
Voyager 2
The only spacecraft to visit Uranus and Neptune. It crossed into interstellar space in 2018 and also carries a Golden Record.
- Launched
- 20 Aug 1977
- Speed
- 15 km/s
- Visited
- Jupiter, Saturn, Uranus, Neptune
- Left the heliosphere
- November 2018
Air on board
- None, it’s a vacuum
Spacecraft
Measured by JPL Horizons