High Earth Orbit (HEO)

Name: Interstellar Boundary Explorer (IBEX) Begins Next Year in Space
Start: 2025-10-19T00:00:00-10:00
End: 2025-10-19T23:59:59-10:00
Location: High Earth Orbit (HEO)

A high Earth orbit is a geocentric orbit with an apogee farther than that of the geosynchronous orbit, which is 35,786 km (22,236 mi) away from Earth.