World and Planets Top Speeds

The top speed (orbital velocity) of the planet Pluto is 22,003km/h (13,675 mph). It's average velocity is 16,797 km/h (10,439 mph).

The top speed (orbital velocity) of the planet Neptune is 19,692 km/h (12,238 mph). It's average velocity is 19,620 km/h (12,193 mph).

The top speed (orbital velocity) of the planet Urans is 25,668 km/h (15,952 mph). It's average velocity is 24,444 km/h (15,192 mph).

The top speed (orbital velocity) of the Planet Saturn is 36,504 km/h (22,687 mph). It's average velocity is 34,812 km/h (21,635 mph).

The top speed (orbital velocity) of the planet Jupiter is 49,392 km/h (30,697 mph). It's average velocity is 47,051 km/h  (29,242 mph).

The top speed (orbital velocity) of the Planet Mercury is 212,292 km/h (131,940 mph). It's average velocity is 170,496 km/h (105,963 mph).

The top speed (orbital velocity) of the planet Mars is 95,400 km/h (59,291). it's average velocity is 86,871 km/h (53,979 mph).

The top speed (orbital velocity) of the planet Venus is 126,936 km/h (78,891 mph). It's average velocity is 126,077 km/h (78,341 mph).

The maximum circumference of the Earth (equator) is roughly 40,070 kilometers, according to NASA. A day is approx 24 hours long. Dividing the circumference by the length of the day gives a speed of about 1,670 km/h (1,037 mph).