Meaning of Periastron



English: Periastron
Bangla:
Hindi:
Type: Unknown / অজানা / अज्ञात
Synonym:
Antonym:


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Definition: 1

the point at which the stars of a binary system are closest (opposed to apastron).

Definition: 2

(astronomy) the point in the orbit of a body around a star when it is nearest to the star, esp applied to double-star systems