Astronomy

8 free online tools

Astronomy and space science tools for orbital mechanics, stellar physics, and planetary calculations. Explore the cosmos with calculators for celestial bodies, space travel, and astronomical phenomena.

Why Use Our Astronomy Tools?

1

Calculate orbital mechanics and satellite trajectories

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Determine stellar properties and luminosity

3

Compare planetary characteristics and conditions

4

Visualize the solar system in 3D

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Convert astronomical distance units

6

Educational tools for space science learning

Common Use Cases

Calculating orbital velocities for satellites and spacecraft

Determining escape velocities for planets and moons

Computing stellar luminosity using Stefan-Boltzmann law

Finding your age or weight on other planets

Visualizing planetary positions in the solar system

Converting between light years, parsecs, and AU

Calculating orbital periods using Kepler's laws

Understanding gravitational effects across celestial bodies

Frequently Asked Questions

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