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Additional
Tundra orbit
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Tundra orbit
A
Tundra orbit
(
Russian
: Тундра) is a
highly elliptical
geosynchronous orbit
with a high
inclination
(usually near 63.4°) and an
orbital period
of one
sidereal day
(about 4 minutes less than a
solar day
). A
satellite
placed in this orbit spends most of its time over a chosen area of the
Earth
—a phenomenon known as
apogee
dwell. The
ground track
of a satellite in a tundra orbit is a closed figure eight.
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