All about satellites, types and their functions


Nation World News Satellites are celestial bodies that revolve around planets and other objects. Satellites are celestial bodies that can monitor regions beyond the Earth.

Satellites in space must remain in their orbit around the Earth. This place is also known as the classroom.

Satellites in space are very diverse, including natural satellites and artificial satellites. Here is the explanation:

natural satellite The Moon is a natural satellite of the solar system.

Natural satellites are non-artificial space bodies that orbit around a planet or other large object.

An example of a natural satellite that we can see is the Moon. However, apart from the Moon, there are many natural satellites belonging to several planets of the solar system. Here are the names of the satellites on the planet:

  • Deimos and Phobos are the two satellites of Mars
  • Jupiter has 79 moons including Ganymede, Callisto, Europe and Metis.
  • Saturn has 82 satellites and the best known are Titan and Enceladus.
  • Uranus has 27 moons, five of which are Titania, Oberon, Umbriel, Ariel, and Miranda.
  • Neptune has 14 satellites, the most famous of which are Triton, Néréide, Naïade, Thalassa and Galatea.

natural satellite work

The functions of natural satellites are:

  • The center of the satellite’s orbit pulls smaller objects around it to avoid collisions.
  • Controls the rotation speed of a planet under the effect of gravity
  • Balancing the seawater cycle which can cause tides
  • Reduce the effect of ultraviolet rays in order to stop global warming.
  • light up the night

Artificial satellite

Artificial satellites are man-made satellites whose purpose is to facilitate all human activities.

Some examples and functions of artificial satellites include earth observation satellites, ocean observation, communication satellites, weather satellites, military satellites, and space exploration satellites.

Here is the explanation:

earth observation satellite Viking 1 was launched on August 20, 1975 from a Titan IIIE rocket and reached Mars on June 19, 1976. The first moon orbited Mars, and on July 20, 1976 Viking Lander 1 passed separated from the orbiter and landed on Chris. Planitia.

As the name suggests, an Earth observation satellite is a type of satellite that was built for the purpose of observing the Earth and locating positions in each hemisphere of the Earth.

Earth observation satellites have been launched by many countries, including:

  • Explorer
  • Landsat
  • viking
  • tidy
  • avant-garde
  • Marine
  • Writing
  • Mikhail Lomonosov
  • Tabletsat-Aurora
  • gaofen

ocean observation satellite

This satellite was launched with the aim of observing the position of the oceans on Earth. As we know the ocean is the biggest part of the earth.

It is therefore important to know the position of the sea on the land. There are many examples of ocean observing satellites that have been launched, including Seasat and Baskhara.


Nimbus Satellite, a communications Nimbus Satellite, a communications satellite.

This satellite is the most abundant satellite on Earth. Many countries are launching this satellite and more than one due to the need for communication. s

For example, Indonesia has many artificial satellites and almost all of them are communication satellites. Certain communication satellites, namely:

  • echo 1 and 2
  • relay 1
  • relay 2
  • syncom
  • Cloud
  • Express

weather satellite

Satellite Meteor-3M Satellite Meteor-3M

This satellite is used by meteorological, climatological and geophysical agencies to determine the weather conditions of a place so that this information can be received by the public.

It is a satellite that can give warnings about natural phenomena. Here are some examples of weather satellites:

  • shoots-1
  • avant-garde
  • NOAA-19
  • MetOp-A
  • MetOp-B
  • Electricity
  • Interbol
  • Meteor

military satellite

A replica of Sputnik 1 is kept at the Air and Space Museum in Washington A replica of Sputnik 1 is kept at the Air and Space Museum in Washington DC.

This satellite was launched to help a country’s military might defend against its enemies. Here are some examples of military satellites:

  • crown
  • valley
  • orion
  • magnum
  • Artificial satellite

space exploration satellite

This satellite was built for the purpose of knowing the conditions and objects in outer space for research purposes. Some examples of space satellites are Sayut and Proton.


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