Semi-synchronous orbit
Semi-Synchronous Orbit: An orbit with approximately a 12-hour period. A circular Semi-Synchronous Orbit is at an altitude of approximately 20,200 km.[1]
See also
References
- ^ (PDF) NASA Technical Standard 8719.14 (draft). NASA Orbital Debris Program Office. 8 Aug 2006. http://www.orbitaldebris.jsc.nasa.gov/library/references.html/.