Q&A

How far does the satellite fall towards the Earth in one second?

How far does the satellite fall towards the Earth in one second?

It so happens that the vertical distance that a horizontally launched projectile would fall in its first second is approximately 5 meters (0.5*g*t2).

What distance does the satellite travel?

Geostationary satellites take 24 hours to orbit the Earth, so the satellite appears to remain in the same part of the sky when viewed from the ground. These orbits are much higher than polar orbits (typically 36,000 km) so the satellites travel more slowly (around 3 km/s).

How far is a satellite from Earth in miles?

Low-Earth orbits (LEO) — LEO satellites occupy a region of space from about 111 miles (180 kilometers) to 1,243 miles (2,000 kilometers) above Earth. Satellites moving close to the Earth’s surface are ideal for making observations, for military purposes and for collecting weather data.

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How far is the farthest satellite from Earth?

The most distant artificial object is the spacecraft Voyager 1, which – in November 2021 – is nearly 14 1/2 billion miles (23 billion km) from Earth. Voyager 1 and its twin, Voyager 2, were launched 16 days apart in 1977. Both spacecraft flew by Jupiter and Saturn.

What determines how fast a satellite moves around the Earth?

(NASA illustration by Robert Simmon) The height of the orbit, or distance between the satellite and Earth’s surface, determines how quickly the satellite moves around the Earth. An Earth-orbiting satellite’s motion is mostly controlled by Earth’s gravity.

What would happen if you dropped a satellite at 100 km altitude?

At an altitude of 100 km, you would be so high that you would see black sky and stars if you looked upwards. If you took a satellite to this height and released it, it would still fall towards the Earth because the force of gravity is nearly the same as it is at the Earth’s surface.

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How long does it take a satellite to complete an orbit?

In this highly inclined orbit, the satellite moves around the Earth from pole to pole, taking about 99 minutes to complete an orbit. During one half of the orbit, the satellite views the daytime side of the Earth. At the pole, satellite crosses over to the nighttime side of Earth.

How high can a satellite orbit the Earth without atmosphere?

A satellite can orbit at, say, 25 miles, but it won’t last very long. Now, if Earth were a smooth, featureless sphere with no bumps and no atmosphere, a satellite could theoretically orbit at an altitude of a millimeter or less. The Rock reveals the best success hack everybody needs to try.