Distância Sol-Terra (UA)
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The Sun-Earth distance calculator is here to help you calculate the distance between our planet and the Sun in astronomical units (AU). This is useful for understanding the scale of our solar system and calculating the speed of the Earth's movement around it.
An astronomical unit (AU) is the average distance between the Earth and the Sun, which is approximately 149.6 million kilometers. This measure is used to express large distances in our solar system in a more convenient and understandable way.
This calculator is useful for people working in astronomy, physics or related sciences, as well as for students who need to calculate distances for projects or schoolwork.
Remember that the Sun-Earth distance varies throughout the year due to the Earth's elliptical orbit. Therefore, it's essential to consider this variation when calculating the distance.
Frequently asked questions
What is an astronomical unit (AU)?
An astronomical unit (AU) is the average distance between the Earth and the Sun, which is approximately 149.6 million kilometers.
Why does the Sun-Earth distance vary throughout the year?
The distance varies due to the Earth's elliptical orbit, making the distance smaller in summer on Earth and larger in winter.
When do I use this calculator?
This calculator is useful for people working in astronomy, physics or related sciences, as well as for students who need to calculate distances for projects or schoolwork.
How do I use this calculator?
Just insert the desired date and the calculator will calculate the Sun-Earth distance in astronomical units (AU).