How fast is Halley's Comet at its fastest?
196,560 km/hAbout 122,000 mph · Orbit
About 54.6 km a second as it swings close to the Sun.
That's about 3,500 times a red kangaroo's top speed (56 km/h).
☄️196,560 km/h
🪐Neptune's orbit
By speed: Halley's Comet is about 10× faster than Neptune's orbit.
Things about as fast
- What is Saturn's escape velocity?127,800 km/h
- How fast does Mercury orbit the Sun?170,500 km/h
- How fast was the Galileo probe entering Jupiter?170,640 km/h
- How fast are Perseid meteors?212,400 km/h
- What is Jupiter's escape velocity?214,200 km/h
- How fast was the Helios 2 probe?252,792 km/h
- How fast are Leonid meteors?255,600 km/h
- How fast was Juno at Jupiter?265,000 km/h
Many real things vary, so we use a typical or official figure. Spotted a mistake? Email [email protected].