Types of Satellites ISRO

Hii sir, I Wants to know the Types of the Satellite Launched by ISRO Will you Please Provide It ?

[pawan]

A satellite is a moon, planet or machine that orbits a planet or star. For example, Earth is a satellite because it orbits the sun. Likewise, the moon is a satellite because it orbits Earth. Usually, the word satellite refers to a machine that is launched into space and moves around Earth or another body in space.

Types of Satellite

Earth and the moon are examples of natural satellites. Thousands of artificial, or man-made, satellites orbit Earth.

A. Astronomical Satellites
These satellites are used for the observation of distant stars and other objects in space. Indias envisioned ASTROSAT is an Astronomical satellite.
The most famous astronomical satellite is the Hubble Telescope. Although now reaching the end of its life it has enabled scientists to see many things that would otherwise not have been possible.

Astronomy Satellites have many Different Applications:
They can be used to make star maps.
They can be used to study mysterious phenomena such as Black holes and Quasars.
They can be used to take pictures of the planets in the solar system.
They can be used to make maps of different planetary surfaces.

B. Communications Satellites
These satellites possibly form the greatest number of satellites that are in orbit. They are used for communicating over large distances. INSAT and GSAT of India comes under this category.
The Indian National Satellite (INSAT) systems which are placed in Geo-stationary orbits are one of the largest domestic communication satellite systems in Asia-Pacific region.

C. Earth Observation Satellites
These satellites are used for observing the earth’s surface and as a result they are often termed geographical satellites. India’s IRS and RESOURCESAT are part of this.
The data is used for several applications covering agriculture, water resources, urban development, mineral prospecting, environment, forestry, drought and flood forecasting, ocean resources and disaster management.

Using these satellites it is possible to see many features that are not obvious from the earth’s surface, or even at the altitudes at which aircraft fly.

Using these earth observation satellites many geographical features have become obvious and they have even been used in mineral search and exploitation.

D. Navigation Satellites
In recent years, satellites have been used for accurate navigation. The 1st system known as GPS (Global Positioning System) was set up by the USA and was primarily intended for use as a highly accurate military system. Since then, it has been adopted by a huge number of commercial and private users including India.

E. Reconnaissance Satellites:
These satellites are able to see objects on the ground and are accordingly used for military purposes. As such their performance and operation is kept secret and not publicized. DRONES are part of reconnaissance system.

F. Weather Satellites
As the name implies these satellites are used to monitor the weather. They have helped considerably in the forecasting of the weather and have helped provide a much better understanding not only of the underlying phenomena, but also in enabling predictions to be made.
India’s Kalpana-1 and INSAT-3A are part of this.

G. Student Satellites
ISRO has influenced educational institutions by its activities like making satellites for communication, remote sensing and astronomy. The launch of Chandrayaan-1 increased the interest of universities and institutions towards making experimental student satellites.
Example- ANUSAT, STUDSAT, YOUTHSAT, Jugnu, SRMsat.