Semi-major axis
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In orbital mechanics, the semi-major axis is half the major axis of an elliptical orbit. It is decreases in proportio to orbital energy for a constant mass.
| This article is a stub. You can help Marspedia by expanding it. |
In orbital mechanics, the semi-major axis is half the major axis of an elliptical orbit. It is decreases in proportio to orbital energy for a constant mass.