Geostationary Orbits

In the context of aviation and aerospace, a geostationary orbit, also referred to as a geosynchronous equatorial orbit (GEO), is a circular orbit 35,786 kilometers (22,236 miles) above the Earth's equator, following the direction of the Earth's rotation. An object in such an orbit appears motionless, at a fixed position in the sky, to ground observers. This unique characteristic makes geostationary orbits extremely beneficial for weather monitoring, satellite communication, and television broadcasting. Satellites in geostationary orbit provide a wide, almost global coverage, which is particularly useful for communication between far-flung geographical locations. However, these orbits are also limited in number and are therefore allocated by the International Telecommunication Union to avoid satellite collisions and radio frequency interference. The concept of geostationary orbits was first popularized by science fiction author Arthur C. Clarke in the 20th century, and they have since become a critical component of modern telecommunications and weather forecasting systems.
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