Quick Answer: Which planet has the second largest eccentricity?

Planet Orbital Eccentricity Aphelion (Point in Orbit Farthest from Sun) measured in AU’s
Saturn 0.056 10.0
Uranus 0.047 20.1
Neptune 0.009 30.3
Pluto 0.248 49.9

What planet has the highest eccentricity?

Mercury has the greatest orbital eccentricity of any planet in the Solar System (e = 0.2056).

Which two planets have the most similar eccentricity?

Which planet has an eccentricity most similar to Earth’s eccentricity? Neptune and Venus 6. The average eccentricity of the Moon’s orbit around the Earth is 0.054900489.

Which planet has the largest elliptical orbit?

Kepler’s first law. Planets move in elliptical orbits with the Sun at one focus. Table 1 below, from NASA, gives data on the elliptical orbits of the planets.

1. Introduction.

Planet Mercury
Semimajor Axis of Orbit (km) 57,909,175
Mean Radius (km) 2,439.7
Orbit Eccentricity 0.20563

What planet has the smallest eccentricity?

Venus, which is right next to Mercury, has the least eccentric orbit of any of the planet in the Solar System. Its orbit ranges between 107 million km and 109 million km from the Sun and has an eccentricity of .

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Which planet has the longest year?

Given its distance from the Sun, Neptune has the longest orbital period of any planet in the Solar System. As such, a year on Neptune is the longest of any planet, lasting the equivalent of 164.8 years (or 60,182 Earth days).

What is the eccentricity of Earth?

Earth’s orbital eccentricity e quantifies the deviation of Earth’s orbital path from the shape of a circle. It is the only orbital parameter that controls the total amount of solar radiation received by Earth, averaged over the course of 1 year. The present eccentricity of Earth is e ≈ 0.01671.

Which planet has many moons?

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Planet / Dwarf Planet Confirmed Moons Total
Jupiter 53 79
Saturn 53 82
Uranus 27 27
Neptune 14 14

Which planet would float in water?

Saturn could float in water because it is mostly made of gas.

What two planets are most similar?

Venus and Mars are the most like Earth, but in different ways. In terms of size, average density, mass, and surface gravity, Venus is very similar to Earth. But Mars is the planet that is most similar to Earth in other ways.

Which planet rotates the fastest?

Good luck getting any sleep on Jupiter! This humongous gas giant rotates faster than any other planet in the Solar System, completing a day in less than 10 hours!

What is the slowest spinning planet?

Venus, which is floating higher each evening in twilight, low in the west, is the slowest-spinning body in the known universe. If you walked along a bike path that circles its equator, you’d only need to go four miles an hour to keep night from ever falling on Venus.

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Why is Venus the least elliptical?

Venus is summarized as being the least elliptical of all the planets. This is because its revolution is a near perfect circle. … Earth is at the perfect distance from the Sun, whereas Venus is too close. Earth also has a large amount of water on its surface, which can hold heat energy from the Sun.

What is the hottest planet?

Venus is the exception, as its proximity to the Sun and dense atmosphere make it our solar system’s hottest planet. The average temperatures of planets in our solar system are: Mercury – 800°F (430°C) during the day, -290°F (-180°C) at night. Venus – 880°F (471°C)

Which planet is near to Earth?

Essentially because Mercury is closest to the Sun, when taking an average over time, Mercury is the closest planet to the Earth, and – in that measure – it is the closest planet to each of the other planets in the Solar System.

What has an eccentricity of zero?

If the eccentricity is zero, the curve is a circle; if equal to one, a parabola; if less than one, an ellipse; and if greater than one, a hyperbola.

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