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here's an unvetted list as per 10/2010
approx 450
Geo-sync orbits are hard to maintain as the orbit decays almost immediately upon achieving it, lending to low service life span thus the list changes a lot
positions are usually chosen on the 1/10 of a degree of the planets circumference so 360 x 10 is the ideal maximum amount of sats in this orbit at one time.
there are slightly off orbits named super and sub geosynchronous which move slowly across the orbit either westerly or easterly, usually marked for junk satellites or discards, some electronic lab platforms have been put here however, the diameter of these orbits very and are often highly elliptical so pin pointing these related orbits and how many positions they offer is unlikely to be meaningful
What else can I help you with?
Does dbs also known as direct broadcast satellite such as directv and dishtv orbit in a geosynchronous orbit?
Yes, the satellites orbit in a geosynchronous orbit, as with most all communications satellites. (Some exceptions are satellites such as the global positioning satellites.)
What kind of an orbit is use by direct tv satellites?
Geosynchronous Orbit
What are the orbital communications satellites are placed in called?
Geosynchronous orbit? or Low Earth Orbit?
Is the geosynchronous satellites above the equator is follow an elliptical orbit?
All satellites follow an elliptical orbit - they are darn close to circular, but even a circle is an ellipse.
What types of satellites are used to provide satellite Internet access?
A: Low Earth orbit, B: Medium Earth orbit, & D: Geosynchronous orbit.
Are any man made satellites stationary?
Yes.It is called geosynchronous orbit where the satellite speed equals the rotation of earth but is far enough so gravity doesn't effect its orbit immediately.Weather satellites are geosynchronous as are communication, broadcast (DirecTv and Dish, to name a few), spy, scientific.http://www.spacetoday.org/Satellites/SatBytes/SatOrbits.html
What is the full form of GSLV?
The full form of GSLV is Geosynchronous Satellite Launch Vehicle. It is an expendable launch vehicle used by the Indian Space Research Organization (ISRO) to launch satellites into geosynchronous transfer orbit.
What term is given to satellites that remain above the same point on the Earth's surface in their orbit?
There are two types of satellites that are located in a foxed spot over earth the first is reconnaissance satellites for observation of earth and usually used by the military.. The second is earth observation satellites and are intended for environmental monitoring
How do GPS satellite systems orbit?
GPS satellites orbit the Earth at an altitude of about 20,000 km in medium Earth orbit (MEO). They move in precise paths to ensure global coverage and are spaced evenly to provide accurate positioning data. The satellites follow elliptical orbits that repeat every 12 hours.
How far up in the sky are satellites?
There are currently 32 GPS satellites Orbiting earth at 20,000Kms above sea level There are also 24 GLONASS satellites (The russian version of a GPS satellite) Which many high end GPS receivers will use in conjunction with the standard GPS satellites. These orbit a little lower than GPS at arond 19,000Kms above sea level. There are 4 Galileo Satellites, which are currently un used, but are the start of the European satellite constealltion which is a work in progress. They orbit at 24,000Kms above sea level. On top of all that, there are 10 Chinese navigation satellites called COMPASS orbiting in an orbit above China and Asia. They orbit at around 21,000 Kms above sea level.
What is meant by a geostationary orbit?
A geosynchronous orbits refers to the orbit of a satellite that matches the rotation of the earth, allowing it to remain above the same line of longitude. The satellite may still move north and south but not east or west. A geostationary orbit is a specific type of geosynchronous orbit directly above the equator. This allows the satellite to remain completely stationary over a fixed point on the earth's surface.
What is the radius of a geosynchronous orbit around Earth?
The radius of a geosynchronous orbit around Earth is approximately 42,164 kilometers.
