#### What Would Be The Orbital Period Of Earth Would Be If It Orbited The Sun At A Distance Of 2au? (Correct answer)

What is the procedure for determining the period of a circular orbit?

• Circular orbits are a specific instance in which the semimajor axis is equal to the radius of the orbit. You may confirm the accuracy of this computation by changing the masses to one Sun and one Earth, and the distance to one astronomical unit (AU), which is the distance between the Earth and the Sun, respectively. You will notice that the orbital period is quite close to the typical one year.

## How do you find the orbital period of a semi major axis?

As stated in Kepler’s third law, the square of the period is directly proportional to the cube of the semi-major axis of the orbital sphere. In Satellite Orbits and Energy, we showed how to derive Kepler’s third law for the particular situation of a circular orbit, which was previously unknown. T=2r3GME is the period of a circular orbit of radius r around the Earth, as shown in the figure.

## What would be the orbital period of an asteroid orbiting the sun at 2.5 AU?

As stated in Kepler’s third law, the square of the period is directly proportional to the cube of the semi-major axis of the orbital axis. Previously, in Satellite Orbits and Energy, we deduced Kepler’s third rule for the particular situation of a circular orbit, which we discussed in more detail. T=2r3GME is the period of a circular orbit of radius r around the Earth, as seen in the illustration.

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## How do we calculate orbital period using distance from the sun?

If the size of the orbit (a) is represented in astronomical units (1 AU is the average distance between the Earth and the Sun) and the period (P) is measured in years, then Kepler’s Third Law states that P2 = a3 when the size of the orbit (a) is given in astronomical units. where P is measured in Earth years, an is measured in astronomical units (AU), and M is the mass of the center object measured in units of the mass of the Sun.

## What is Earth’s orbital period?

Using Kepler’s Third Law, if the size of the orbit (a) is given in astronomical units (one AU equals the average distance between the Earth and the Sun) and the period (P) is measured in years, the result is P2 = a3 for the size of the orbit (a). in where P is measured in Earth years, an is measured in astronomical units (AU), and M is measured in units of the Sun’s mass.

## What is the orbital period of Venus?

As it circles the Sun in the same direction as the planets, this “belt” of asteroids takes a somewhat elliptical course around the planets. It takes somewhere between three and six Earth years for the Earth to complete one full rotation around the Sun. Because of the gravitational attraction of a bigger object, such as a planet, it is possible for an asteroid to be thrown off of its orbit.

## How do you calculate Earth’s orbital period?

The orbital period may be determined by examining the amount of time that passes between transits. Using Kepler’s Third rule, if the mass of the orbiting star is known, it is possible to calculate the orbital radius of the planet (R3=T2Mstar/Msun, where the radius is measured in AU and the period is measured in earth years).

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## What is the orbital distance?

A measurement of orbital distance in physics can be used to calculate how long it takes for one object to rotate around another object. For example, if you know how far Mars is from the Sun and how long it takes Mars to travel around the Sun, you may calculate the time it takes Mars to journey around the Sun in astronomical units.

## How do you measure the distance between the Earth and the sun?

One Astronomical Unit (a) is the distance between the earth and the sun, which is approximately 150 million kilometers (AU). The radius of the Sun, Rsun, is approximately 700,000 kilometers. The Earth’s orbital speed, v, is approximately 30 kilometers per second.

## How does the distance between the planet and the sun affect its period?

The closer a planet is to the sun, the shorter the period of revolution that planet experiences during its orbit. The greater the distance between a planet and the sun, the longer its period of revolution.

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