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High Earth orbit(HEO)

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A High Earth Orbit is a geocentric orbit whose apogee lies above that of a geosynchronous orbit (35,786 kilometres (22,236 mi)).[1]

Highly Elliptical Orbits are a subset of High Earth Orbits.[1]

[edit] Examples of satellites in High Earth Orbit

Name NSSDC ID Launch Date Perigee Apogee Period Inclination Eccentricity Highly Elliptical Orbit Molniya 1-01[2] 1965-030A 1965-04-23 538 km 39,300 km 708.0 min 65.0° 0.736864 yes Vela 1A[3][4] 1963-039A 1963-10-17 101,925 km 116,528 km 6,519.6 min 37.8° 0.063 no

 

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