KnowraPeriapsisLinked fromLinked fromThe 13 pages that link to Periapsis, each with the reason it gives.All 13Broader topic 4Related 7Narrower topic 2Hohmann transfer orbitRelated: The first burn usually occurs here when transferring outward from a lower circular orbit.Semimajor axisRelated: Its distance is the semimajor axis multiplied by one minus orbital eccentricity.True anomalyRelated: Its direction defines zero true anomaly.Orbital precessionRelated: The changing direction toward periapsis defines apsidal rotation.Kepler's equationRelated: Both anomalies are conventionally measured from this orbital reference point.Kepler orbitRelated: It anchors the orbit's orientation and marks the point of greatest speed in a bound orbit.Frozen orbitRelated: Its direction and distance define key aspects of the orbit’s shape and orientation.