Phrase guide

Trojan asteroid

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

an asteroid occupying the Trojan points of the Sun-Jupiter system

Definition source: English Wiktionary via Wiktextract

Topics: astrophysics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

by extension, any asteroid occupying a Trojan point

Definition source: English Wiktionary via Wiktextract

Topics: astrophysics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Derived from the names of the first three Trojan asteroids found (Achilles, Patroclus, Hektor)

Across languages

Translations

10 source translations are retained for this English entry.

  • Finnish: troijalainen — asteroid sharing Jupiter's orbit
  • Finnish: troijalainen asteroidi — asteroid sharing Jupiter's orbit
  • French: astéroïde troyen — asteroid sharing Jupiter's orbit
  • French: troyen — asteroid sharing Jupiter's orbit
  • Polish: trojańczyk — asteroid sharing Jupiter's orbit
  • Finnish: troijalainen — any similar asteroid
  • Finnish: troijalainen asteroidi — any similar asteroid
  • French: astéroïde troyen — any similar asteroid
  • French: troyen — any similar asteroid
  • Polish: trojańczyk — any similar asteroid