Q&A

Can a satellite stay still in space?

Can a satellite stay still in space?

The Earth is curving away while both the rocket and the satellite “fall” around the Earth. The satellite stays in that orbit as long as it keeps its speed to stay balanced by the headwinds. But at altitudes of 600 km—where the International Space Station orbits—satellites can stay up for decades.

Do satellites stay stationary?

In celestial mechanics, the term stationary orbit refers to an orbit around a planet or moon where the orbiting satellite or spacecraft remains orbiting over the same spot on the surface. From the ground, the satellite would appear to be standing still, hovering above the surface in the same spot, day after day.

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How do satellites get in orbit?

All satellites are launched to space and into their orbit by hitching a ride on a rocket or on the Space Shuttle, where they are placed inside the cargo bay. There are also countries and large corporations that have their own rocket launch facilities, so they can easily send their own satellites into orbit.

How long does it take a satellite to orbit the Earth?

Typically the orbit of a medium earth orbit satellite is about 16,000 kilometres (10,000 mi) above earth. In various patterns, these satellites make the trip around earth in anywhere from 2 to 8 hours.

How do you get a satellite into space?

All satellites today get into orbit by riding on a rocket or by riding in the cargo bay of a space shuttle. Several countries and businesses have rocket launch capabilities, and satellites as large as several tons make it safely into orbit on a regular basis.

What holds a satellite in orbit?

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Circular Orbit. Gravity supplies the necessary centripetal force to hold a satellite in orbit about the earth. The circular orbit is a special case since orbits are generally ellipses, or hyperbolas in the case of objects which are merely deflected by the planet’s gravity but not captured.

Why don’t satellites fall out of the sky?

Satellites don’t fall from the sky because they are orbiting Earth . Even when satellites are thousands of miles away, Earth’s gravity still tugs on them. Gravity–combined with the satellite’s momentum from its launch into space–cause the satellite go into orbit above Earth, instead of falling back down to the ground.