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Because that's the way gravity works.

If you take Newton's simple formula for the mutual gravitational force between

any two objects, and if you have enough calculus and geometry to be able to

do it, you can massage it around and show that closed orbits must be ellipses,

and that the orbital speed must be greatest when the separation is smallest.

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13y ago
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14y ago

Yes. The speed is v= Sqrt(Gm/r) where G is the Gravitational Constant.

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Wiki User

11y ago

Gravity is the reason for the speed of a satellite in orbit,

the size and shape of orbits, and the existence of orbits.

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Q: Why does the speed of a satellite undergo change in elliptical orbit?
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Related questions

Why does the speed of a satellite undergo change in an elliptical orbit?

Variance from mean distance denotes an acceleration as kinetic and potential energies are interchanged.


A satellite in an elliptical orbit gains speed when it?

A satellite in an elliptical orbit gains speed as it draws closer to the central body and loses speed as it moves farther away from the central body.


A satellite in an elliptical orbit travels at constant what?

If the path is perfectly circular, yes, the speed is constant. This should not be confused with the velocity, because while speed is constant, its direction is not; therefore velocity is always changing.


What is pogee?

Apogee is the point at which a satellite in an elliptical orbit is At its apogee, the satellite travels slower than at any other point in its orbit.


What is a satellite orbit?

A satellite's orbit is just the path it follows around the Earth or some other planet.Satellites' orbits can be elliptical or circular.


A satellite in an elliptical orbit loses speed when it?

A satellite in a closed orbit has the greatest speed when it's closest to the planet, and the lowest speed when it's farthest from the planet.


Gravity affects the speed of a satellite in an elliptical orbit?

Yes. Gravity affects EVERYTHING.


What is an apolune?

An apolune is the point of an elliptical lunar orbit where the distance between the satellite and the Moon is at its maximum.


If a satellite's radial velocity is zero at all times its orbit must be elliptical or parabolic?

circular.


Is orbit a verb?

Yes, the mission was designed to Orbit a satellite. for example. The word orbit can be either a noun or a verb. As a noun, the orbit of the Earth is elliptical. As a verb, the planets orbit the sun.


When a satellite in an elliptical orbit approaches closer to the planet it is orbiting its kinetic energy is decrease or increases?

incresse


Why the path of satellite is ellipse?

it is made to follow an elliptical orbit to make it spend its time more in the visible sky.