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perihelion
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The velocity a rocket must reach to establish an orbit around earth is called?
The velocity a rocket must reach to establish an orbit around the Earth is called orbital velocity. It is the speed required for an object to overcome gravitational pull and maintain a stable orbit around the planet. The orbital velocity depends on the altitude of the orbit and follows Kepler's laws of planetary motion.
What planet has the fastest orbital velocity?
Mercury
Why is Earths orbital velocity slowest on July 5?
Earth's orbital velocity is slowest on July 5 because that is when Earth is at aphelion, its farthest point from the Sun in its elliptical orbit. At this point, the gravitational pull from the Sun is weaker, causing Earth to move more slowly in its orbit.
Is orbital velocity the velocity a rocket must reach to fly off into space?
No, orbital velocity is the velocity a spacecraft must achieve to stay in orbit around a celestial body, such as Earth. To escape a celestial body and fly off into space, a rocket must reach escape velocity, which is higher than orbital velocity.
Can a rocket traveling at orbital velocity reach the moon?
Yes, but it has to be travelling at the MOON'S orbital velocity, which is quite a bit more than that needed for low earth or even geosynchronous orbit. The faster one goes, the higher the orbit.
