perihelion
55,000 mph
It is the orbital velocity (speed and direction) or orbital speed (rate of motion). It is usually stated as "average orbital speed" but is actually "mean orbital speed."
Orbital velocity, or Close orbital velocity.
The farther a planet is from the sun, the slower it moves in its orbit. So the planet with the largest orbit is the slowest. That's Pluto ... if you still consider Pluto a planet ... or Neptune if you don't.
Mercury is the fastest orbiting planet in the inner Solar System, with an average orbital velocity of 47.87 km/s.
Pluto is the planet that has the lowest orbital velocity relative to that of the earth. The orbital velocity of Pluto is 0.159.
perihelion
perihelion
As the planet approaches perihelion (point of nearest approach to the Sun), its orbital velocity gets faster, and it is fastest at perihelion. Similarly, at aphelion (point of furthest approach to the Sun), the orbital velocity is slowest.
Orbital velocity refers to the speed at which a planet travels in its orbit.
55,000 mph
Mercury has the fastest orbital velocity, at about 49 thousand kilometers per second.Mercury: 48.651Venus: 34.874Earth: 29.663Mars: 24.025Jupiter: 13.012Saturn: 9.604Uranus: 6.749Neptune: 5.410These number are based on major-axis, and on an assumed circular orbit, so they will not agree with the official stated mean orbital velocity.
Jupiter has an orbital velocity of 13.1km/s.
which planet has the slowest orbital velocity
Mercury has fastest orbital speed.
The orbital period of Saturn is 29.4571 years. Its orbital velocity is 9.69 kilometers per second and the orbital path is about 9 billion kilometers.