Tundra orbit

(redirected from Apogee dwell)

Tundra orbit

[′tən·drə ‚ȯr·bət]
(aerospace engineering)
An inclined, elliptical, geosynchronous earth satellite orbit designed to provide communications satellite service coverage at high latitudes; it has an inclination of 63.4° degrees and an eccentricity of 0.2684, so that the satellite spends 16 hours each day over the hemisphere (northern or southern) where service coverage is intended and 8 hours over the opposite hemisphere.