軌き道どう傾けい斜しゃ角かく

noun

orbital inclination

Technical astronomy term for the angle between an orbital plane and a reference plane, typically the ecliptic or equatorial plane.

• この衛えい星せいの軌き道どう傾けい斜しゃ角かくは約やく30度どです。

  The orbital inclination of this satellite is about 30 degrees.