Apastron

Pronunciation

• IPA: /əˈpæstɹən/

Origin

- + astron

Full definition of apastron

Noun

1. (astronomy) The point of greatest separation between two stars, especially in a binary star situation.

Antonyms

• periastron

Related terms

• apocenter
• apoapsis
• aphelion
• apolune
• apogee