Periastron

Pronunciation

• IPA: /pÉ›rɪˈæstrÉ™n/

Origin

From Ancient Greek περί "around" + ἄστρον "star".

- + astron

Full definition of periastron

Noun

1. (astronomy) That point of the orbit of a celestial body which is closest to the star around which the body is orbiting.

Antonyms

• apastron

Related terms

• periapsis
• pericenter
• pericynthion
• pericytherion
• perigalacticon
• perigee
• perihelion
• perijove
• perikron
• perilune
• perimelasma
• perinigricon
• periposeidon
• perisaturnium
• periselene

Anagrams

• patroniser