OrbitsP12eccentricitySdyF"></a>
                    <a name="//apple_ref/swift/Method/eccentricity()" class="dashAnchor"></a>
                    <a class="token" href="#/s:7SwiftAA15PlanetaryOrbitsP12eccentricitySdyF">eccentricity()</a>
                    </code>
                      <span class="declaration-note">
                        Default implementation
                      </span>
                  </div>
                  <div class="height-container">
                    <div class="pointer-c