Difference between geostationary and geosynchronous orbit pdf
File Name: difference between geostationary and geosynchronous orbit .zip
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- Geosynchronous orbit
- Geostationary Satellite Orbit, GEO
- Geostationary Satellite over East Africa Observed from Kitt Peak, Arizona
From the center of the Earth, this is approximately 42, kilometers. This distance puts it in the high Earth orbit category. At any inclination, a geosynchronous orbit synchronizes with the rotation of the Earth.
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As I wrote about the GSLV-D5 mission, I was tempted to include this standard informational line, punched directly out of the press kit:. Is there a difference between geostationary and geosynchronous? Why is there such a wide range between the perigee and apogee? The first concept I want to tackle is the difference between a geosynchronous and geostationary orbit. Although these terms are often used interchangeably, they are not the same thing :. A geosynchronous satellite with a non-zero inclination will trace out a figure eight in the sky as it dips above and below the equator.
Our understanding of orbits dates back to Johannes Kepler in the 17th century. An orbit is the curved path that an object in space such as a star, planet, moon, asteroid or spacecraft takes around another object due to gravity. Gravity causes objects in space that have mass to be attracted to other nearby objects. If this attraction brings them together with enough momentum, they can sometimes begin to orbit each other. Objects of similar mass orbit each other with neither object at the centre, whilst small objects orbit around larger objects. In our Solar System, the Moon orbits Earth, and Earth orbits the Sun, but that does not mean the larger object remains completely still.
The geostationary orbit is used by many applications including direct broadcast as well as communications or relay systems. The geostationary orbit has the advantage that the satellite remains in the same position throughout the day, and antennas can be directed towards the satellite and remain on track. This factor is of particular importance for applications such as direct broadcast TV where changing directions for the antenna would not be practicable. It is necessary to take care over the use of the abbreviations for geostationary orbit. The idea of a geostationary orbit has been postulated for many years. One of the possible originators of the basic idea was a Russian theorist and science fiction writer, Konstantin Tsiolkovsky.
Geostationary Satellite Orbit, GEO
A method to precisely estimate the azimuth bias for the geostationary satellite is introduced and evaluated with orbit-determination results. The present method of orbit estimation eliminates the azimuth bias of real tracking data using redundant ranging data from an external station and the predicted azimuth data. The accuracy of the orbit determination employing the corrected azimuth data is verified by comparing it to the ephemeris adjusted using ranging data from two ground stations. To confirm the accuracy, the longitude and latitude of the satellite ground track are compared with the optical telescope scanning results.
Geostationary Satellite over East Africa Observed from Kitt Peak, Arizona
Geosynchronous satellite is placed in the geosynchronous orbit with an orbital period matching the Earth's rotation period. These satellites take 24 hours to complete one rotation around the earth. However, the orbital plane for a typical geosynchronous satellite is generally not the equatorial plane. The communication platforms based on the communication with the help of these satellites are know.
Clarke , A. Wireless World , 51 , — Flohrer , T.
The difference, however, is that the geostationary orbit lies in the plane of equator, i.e. it has zero inclination with equatorial plane. The geosynchronous orbital.