relation between semi major axis and semi minor axis of ellipse
Semi-major and semi-minor axes The semi-minor axis of an ellipse or hyperbola is a line segment that is at right angles with the semi-major axis and has one end at the center of the conic section.
The Ellipse The Ellipse (sometimes referred to as President's Park South) is a 52-acre (210,000 m²) park located south of the White House fence and north of Constitution Avenue and the National Mall. Properly, the Ellipse is the name of the five-furlong (1 km) circumference street within the park. The entire park, which features various monuments, is open to the public and is part of President's Park. The Ellipse is also the location for a number of annual events. D.C. locals can often be heard to say they are "on the Ellipse." which is understood to mean that the individual is on the field that is bounded by Ellipse Road.