Earth Radius Calculator

Due to its revolution, Earth is not in perfect spherical shape and is oblate at its poles. Therefore, although it can be determined for every place, the Earth's radius is not constant. Earth Radius Calculator is used to find out the radius of earth apogee and earth perogee.
Perigee is the point in an orbit of the orbiting body (such as a satellite) that is at the nearest distance from the object it orbits. The radius of Perigee represents the minimum distance between an orbiting body and the object it orbits. The maximum separation between orbiting and orbited bodies is known as the Radius of Apogee, in contrast to the Radius of Perigee.

Enter Semi-Major Axis and Eccentricity of the Orbital Ellipse

  • Km
  • Km

Result

  • Radius of Perigee
    Km

Radius of Perigee calculator computes the distance between an object (often a planet) and orbiting body when the orbiting body is at perigee based on the semi-major axis (a) and the eccentricity (e) of the orbit.

Apogee is the point in an orbit of the orbiting body (such as a satellite) that is at the greatest distance from the object it orbits. The radius of apogee is the distance between an object (often a planet) and an orbiting body when the orbiting body is at apogee.

Enter Semi-Major Axis and Eccentricity of the Orbital Ellipse

  • Km
  • Km

Result

  • Radius of Apogee
    Km

The maximum separation between an orbiting body and the object it circles is known as the radius of apogee. The difference between the radius of apogee and the radius of perigee, which is the shortest distance between orbiting and orbited things, may be seen. Based on the semi-minor axis (a) and the eccentricity (e) of the orbit, the radius of apogee calculator calculates the distance between an object (typically a planet) and an orbiting body when the latter is at apogee.

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