periareion

名词 n.
中文释义

英文释义

名词 n.
  1. The point in an elliptical orbit around Mars that is closest to Mars.
    — Mars orbit insertion requires a nominal hyperbolic periareion delta V of 2,491 m/s, at 300 km altitude.

词形变化

periareions plural

词源

From peri- + areo- + -ion.
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