Altitude Satélite Geo (aprox.)
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
~ 42.164 km
About this calculator
The geostationary satellite altitude calculator provides an estimate of the altitude required for a satellite to enter a geostationary orbit. This is important to ensure that the satellite remains over a fixed point on the Earth's surface, allowing for continuous coverage of a specific area.
The formula used to calculate the altitude is based on Kepler's third law, which relates the average distance of a planet from the Sun to the planet's orbital period. In this case, the formula is r = (GM·T²/(4π²))^(1/3), where G is the gravitational constant, M is the mass of the Earth, T is the orbital period of the satellite, and π is the ratio of a circle's circumference to its diameter.
The calculated altitude is approximately 42.164 km, which is necessary for a geostationary satellite to complete one orbit around the Earth in 24 hours, synchronized with the Earth's rotation. This is useful for applications such as satellite communications, meteorology, and Earth observation.
It's worth noting that the calculated altitude is an estimate and may vary slightly depending on factors such as the orbit's inclination and the presence of gravitational perturbations from other celestial bodies. However, the calculator provides a good approximation for most practical applications.
Frequently asked questions
What is the purpose of the geostationary satellite altitude calculator?
The calculator is used to estimate the altitude required for a satellite to enter a geostationary orbit and remain over a fixed point on the Earth's surface.
What is the formula used to calculate the altitude?
The formula is r = (GM·T²/(4π²))^(1/3), where G is the gravitational constant, M is the mass of the Earth, T is the orbital period of the satellite, and π is the ratio of a circle's circumference to its diameter.
What is the calculated altitude for a geostationary satellite?
The calculated altitude is approximately 42.164 km.
What are the practical applications of the geostationary satellite altitude calculator?
The applications include satellite communications, meteorology, and Earth observation.