静止衛星(せいしえいせい)

せいしえいせい
noun
geostationary satellite
technicaltechnology
1. geostationary satellite
A satellite that orbits the Earth at the same rate as the planet's rotation, so it appears to stay fixed above one point on the equator. Used for weather observation and communications.
気象(きしょう)衛星(えいせい)の多(おお)くは静止衛星(せいしえいせい)だ。
Many weather satellites are geostationary satellites.
静止衛星(せいしえいせい)は赤道(せきどう)の上空(じょうくう)にある。
Geostationary satellites are located above the equator.
Using a geostationary satellite, you can continuously observe the same region.

Composed of 静止(せいし) (standing still) + 衛星(えいせい) (satellite). From the ground, such a satellite seems motionless because it circles the Earth once per day, matching the planet's rotation.

Common collocations

Similar words