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It depends on how high the satellite's orbit is.
Kepler's Third Law states that the further away a satellite is from its parent body, the longer its orbit takes. (This same law explains why our planet circles the Sun faster than, say, Jupiter.) Some examples:
- Geosynchronous (and geostationary) satellites, which lie about 22,200 miles above the Earth's surface, by definition take exactly one full day to complete one orbit.
- The International Space Station, by contrast, is only about 220 miles away -- 1/100th the distance -- and completes an orbit in just over 90 minutes.
- At the opposite extreme, our moon takes 27.3 days to orbit the Earth, from a whopping average of 239,000 miles away.
What else can I help you with?
Is there satellites that orbit mars if so how many?
2
Do all satellites orbit the same direction?
No, all satellites do not orbit Earth at the same altitude. An good overview of this can be found on http://www.idirect.net/Company/Satellite-Basics/How-Satellite-Works.aspx. This overview reviews Low Earth Orbit, Medium Earth Orbit and Geostationary Orbits.
How many satellites does the Iridium project use?
It uses 66 small satellites in low earth orbit
How many days does it take planet Earth to complete an orbit?
It takes Earth 365 and 1/4 days to complete an orbit.
What is the force that makes satellites orbit at the same height around the earth?
Gravity keeps satellites in orbit. The closer you are to the Earth, the faster you have to go to maintain your orbit. At low Earth orbit, the altitude of the Space Station, you make an orbit every 90 minutes. At the Moon's distance you need over 27 days to go around the Earth. In-between there is an altitude which matches the rate of the Earth's rotation. Many satellites orbit at this altitude.
Why are there so many Iridium satellites in orbit?
It takes that many to provide complete coverage of the Earth, including the polar regions.
How many satellites orbit Saturn?
there is no satellites orbiting Saturn
How many satellights are there?
There are thousands of satellites in Earth's orbit, with estimates ranging from 2,200 to over 3,000 active satellites. Additionally, there are many more inactive or defunct satellites and debris in orbit.
Is there satellites that orbit mars if so how many?
2
Which satellite orbit the earth in a day?
There are many satellites that orbit the earth in a day or less. All of them are man made. The only real satellite that orbits the earth is the moon. That takes 28 days to complete a single orbit.
How many satellites orbit the US?
Satellites cannot orbit the US; they orbit the Earth, and there are several thousand of them.
How many miles up do picosat satellites orbit?
a lot
How many artificial satellites are in orbit around earth?
yes
How many satellites has India sent to earth orbit?
10
How many GPS Satellites does the US Deptartment of Defense have?
There are currently 30 healthy GPS satellites in orbit.
How many satellites does Dish have in orbit?
DISH Network currently owns & leases a total of 14 satellites.
How many military satellites orbit earth?
Thousands, but the actual number is classified and varies from week to week as satellites de-orbit and new ones are launched.
