„Periastron“ Periastron [periˈʔastrɔn], Periastrum [-trʊm]Neutrum | neuter n <Periastrums; Periastren [-strən]> Overview of all translations (For more details, click/tap on the translation) periastron periastron Periastron Astronomie | astronomyASTRON Periastron Astronomie | astronomyASTRON