What is inclined orbit or advantage and disadvantage of highly inclined orbit

What is inclined orbit 

• The satellite following any other orbital path , other than equatorial or polar is called as an inclined orbit.
• inclined orbit are  used by many countries for their domestic communication.
• An inclined  orbits is used to cover the polar regions i.e. these orbits can be used to communication satellites that can establish communication with the polar regions.

Image of Inclined Orbit 

• An inclined orbits is not very frequently used.
• The height of the inclined orbits is set to cover the area of interest. 
• The time for which the satellite is visible to the point on the earth is also controlled. The satellite cannot remain in continuous contact with the point on the earth , if it is rotating in the inclined orbits. Sometime they are also called as elliptical inclined orbit.
• inclined orbit is used for domestic communication in Russia, as its geographical location is near the north pole of the earth.

Advantage and Disadvantage of Highly Inclined Orbit

Advantage

• The satellite in a highly inclined elliptical orbit is used in case where we need communication in high latitude regions eg. Molniya serise of satellite in Russia . with three satellite in any orbit, they are able to provide continuous coverage over the high latitude regions. This its main advantage.

Disadvantage 

• The disadvantage is that the satellite position from a point on earth does not remain same. so the earth station antenna needs to acquire and track the satellite.

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