WordNet: periapsis

(astronomy) the point in an orbit closest to the body being orbited

• domain: topic astronomia, tähtitiede

• hypernym taivaanpiste

• hyponym perigeum

• hyponym periheli

• hyponym perijove

• hyponym periluni

• part holonym kiertorata

periapsis

• (suomi) apoapsis (antonym)

• (suomi) apofocus (antonym)
• (englanti) periapsis (synonyymi)

• (englanti) point of periapsis (synonyymi)