太たい陽よう周しゅう回かい軌き道どう

noun

heliocentric orbit; circumsolar orbit

Technical astronomy term for an orbit around the Sun. Used in scientific contexts.

• 探たん査さ機きは太たい陽よう周しゅう回かい軌き道どうに投とう入にゅうされた。

  The probe was placed into a heliocentric orbit.