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How many satellites orbit Earth?

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Earth has a variety of satellites as explained below. (See related links for sources.)

Natural Satellites:

Earth has one natural satellite. The Moon.

Quasi Satellites:

Quasi-satellites accompany Earth as it orbits the Sun but while located near Earth and affected by Earth's gravitational pull, they actually orbit the Sun and not earth. Their orbits are unstable they appear and disappear over thousands of years. There are at least five such quasi-satellites, including Cruithne which was discovered in 1986 and has been called "Earth's second moon" though it is only 5 kilometers in size and does not actually orbit Earth. The designation of quasi-satellites is ambiguous and there may be more that have not been observed, so there is no fixed number.

In 2010 it was discovered that Earth posses at least one Trojan asteroid that precedes Earth as it orbits the Sun. This asteroid exists in a stable gravitational fixed point known as a Lagrangian point. Trojan satellites had been previously seen associated with other planets in the solar system. It is expected that more will be discovered.

Artificial Satellites:

As of April, 2013, there are 3707 artificial satellites in orbit around Earth.

Debris:

This does not include various sorts of debris which remain in orbit, intentionally or not, from previous launches. There are at least 13 144 such objects, not including an uncountable number of small pieces that are strewn about as a result of intentionally discarded trash or accidents or collisions.
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How many satellites currently orbit the earth?

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How many GPS satellites orbit the earth?

24 -Physics for Science and Engineers Tipler and Mosca Page 84 answ2. A constellation of satellites is usually 24 plus a few spares to allow for mishaps. There is the Navsta

How many hours Does It Take for a Satellite to orbit the earth once?

There are a great number of satellites around the Earth, each in its own orbit. The time to complete each orbit varies from about 90 minutes, for satellites in LEO (low Earth

How many GPS satellites orbit earth?

24 active with 6 spares.

What is the number of satellites that orbit earth?

ANSWER:   According to norad, there are over 10000 manmade objects orbiting the earth, actually 9800 plus, but the moon is one. The rest are manmade.

How many communications satellites orbit earth today?

That depends on how you define satellite, One definition of the word satellite is a body that orbits a larger body. If you take this as the definition of satellite then the a

How many satellites are orbiting the earth now?

One natural and thousands of artificial ones. Do we count the  pieces of satellites, and the expended rocket motors that launched  them, and the things that fell off of them

Speed of a satellite which orbits the earth?

This actually depends on the orbital radius, or distance from  Earth's surface (or center). The further away the satellite is, the  slower it travels to stay in orbit (relat

Why are there so many satellites orbiting earth?

Because so many of them have been launched, and ... for perhaps the   past 30 years ... most launches produce a successful orbital  insertion.    _________________