KnowraSemimajor axisLinked fromLinked fromThe 15 pages that link to Semimajor axis, each with the reason it gives.All 15Broader topic 5Related 10Yarkovsky effectBroader topic: The effect is commonly measured by its gradual change in semimajor axis.Orbital perturbationBroader topic: Changes in this element often indicate energy gain or loss.Kepler's third lawBroader topic: This orbital size, rather than closest or farthest distance, enters the law.Planetary orbitBroader topic: It measures an orbit’s overall scale and helps determine its period.Tisserand parameterBroader topic: The ratio of the planet's orbital distance to the body's semimajor axis sets one term in the parameter.