円軌道(えんきどう)

えんきどう
noun
circular orbit
1. circular orbit
An orbit shaped like a circle, in which a body keeps a roughly constant distance from the object it orbits.
衛星(えいせい)が円軌道(えんきどう)を描(えが)く。
The satellite traces a circular orbit.
人工衛星(じんこうえいせい)を円軌道(えんきどう)に乗(の)せる。
To put an artificial satellite into a circular orbit.
この惑星(わくせい)はほぼ円軌道(えんきどう)で太陽(たいよう)の周(まわ)りを回(まわ)っている。
This planet moves around the sun in a nearly circular orbit.

USAGE: 円軌道(えんきどう) is a circular orbit, contrasted with an elliptical one. It combines 円(えん) (circle) with 軌道(きどう) (orbit).

COMMON COLLOCATIONS:

  • 円軌道(えんきどう)を描(えが)く: to trace a circular orbit
  • 円軌道(えんきどう)に乗(の)せる: to place into a circular orbit

SIMILAR WORDS:

  • 楕円軌道(だえんきどう): elliptical orbit — the distance varies
  • 静止軌道(せいしきどう): geostationary orbit

Related Words

Related: 軌道(きどう) (orbit; trajectory)
general
Added 2026.7.2 3:18
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