Last Updated：2025/11/21
A satellite orbit where the orbital period is equal to, or multiples of, the Earth’s rotational period; i.e. making one, two, three, etc., orbits in a 24-hour period. Examples include geosynchronous (period equals Earth's rotation), semisynchronous (two orbits per day); and geostationary (geosynchronous orbit where satellite maintains a fixed position on the equator).
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synchronous orbit
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Source Word
synchronous orbit
Noun
A
satellite
orbit
where
the
orbital
period
is
equal
to,
or
multiples
of,
the
Earth’s
rotational
period;
i.e.
making
one,
two,
three,
etc.,
orbits
in
a
24-hour
period.
Examples
include
geosynchronous
(period
equals
Earth's
rotation),
semisynchronous
(two
orbits
per
day);
and
geostationary
(geosynchronous
orbit
where
satellite
maintains
a
fixed
position
on
the
equator).
Japanese Meaning
衛星軌道の一種で、軌道周期が地球の自転周期と等しい、またはその整数倍（例えば、1日で1周、2周、3周など）になる軌道。具体例として、周期が地球の自転に一致するジオシンクロナス軌道、1日に2周するセミシンクロナス軌道、赤道上で静止するジオステーショナリ軌道が含まれる
Sense（1）
A
satellite
orbit
where
the
orbital
period
is
equal
to,
or
multiples
of,
the
Earth’s
rotational
period;
i.e.
making
one,
two,
three,
etc.,
orbits
in
a
24-hour
period.
Examples
include
geosynchronous
(period
equals
Earth's
rotation),
semisynchronous
(two
orbits
per
day);
and
geostationary
(geosynchronous
orbit
where
satellite
maintains
a
fixed
position
on
the
equator).
（ plural ）
