Definitions
There is 1 meaning of the phrase
Semimajor Axis.
Semimajor Axis - as a noun
One-half the major axis of an ellipse; the distance from the center of an ellipse to one end
Example Sentences
"The semimajor axis is the longest radius of an ellipse."
"In astronomy, the semimajor axis is used to describe the size of an orbit."
"The semimajor axis of Earth's orbit around the Sun is approximately 149.6 million kilometers."
"The semimajor axis of a planet's orbit determines its average distance from the Sun."
"One of the fundamental parameters of an elliptical orbit is its semimajor axis."
